embed SDL2gfx.

8 files changed, 9688 insertions, 0 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 72f3edae3..685b8f63b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,6 +27,13 @@ endif
 
 if USE_SDL2
 manaplus_CXXFLAGS += -DUSE_SDL2
+manaplus_SOURCES += sdl2gfx/SDL_framerate.c \
+	      sdl2gfx/SDL_framerate.h \
+	      sdl2gfx/SDL_gfxPrimitives.c \
+	      sdl2gfx/SDL_gfxPrimitives.h \
+	      sdl2gfx/SDL_gfxPrimitives_font.h \
+	      sdl2gfx/SDL_rotozoom.c \
+	      sdl2gfx/SDL_rotozoom.h
 endif
 
 if USE_INTERNALGUICHAN
diff --git a/src/sdl2gfx/SDL_framerate.c b/src/sdl2gfx/SDL_framerate.c
new file mode 100644
index 000000000..6735f6355
--- /dev/null
+++ b/src/sdl2gfx/SDL_framerate.c
@@ -0,0 +1,189 @@
+/*
+
+SDL_framerate.c: framerate manager
+
+Copyright (C) 2001-2012  Andreas Schiffler
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software
+in a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not be
+misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source
+distribution.
+
+Andreas Schiffler -- aschiffler at ferzkopp dot net
+
+*/
+
+#include "SDL_framerate.h"
+
+/*!
+\brief Internal wrapper to SDL_GetTicks that ensures a non-zero return value.
+
+\return The tick count.
+*/
+Uint32 _getTicks()
+{
+	Uint32 ticks = SDL_GetTicks();
+
+	/* 
+	* Since baseticks!=0 is used to track initialization
+	* we need to ensure that the tick count is always >0 
+	* since SDL_GetTicks may not have incremented yet and
+	* return 0 depending on the timing of the calls.
+	*/
+	if (ticks == 0) {
+		return 1;
+	} else {
+		return ticks;
+	}
+}
+
+/*!
+\brief Initialize the framerate manager.
+
+Initialize the framerate manager, set default framerate of 30Hz and
+reset delay interpolation.
+
+\param manager Pointer to the framerate manager.
+*/
+void SDL_initFramerate(FPSmanager * manager)
+{
+	/*
+	* Store some sane values 
+	*/
+	manager->framecount = 0;
+	manager->rate = FPS_DEFAULT;
+	manager->rateticks = (1000.0f / (float) FPS_DEFAULT);
+	manager->baseticks = _getTicks();
+	manager->lastticks = manager->baseticks;
+
+}
+
+/*!
+\brief Set the framerate in Hz 
+
+Sets a new framerate for the manager and reset delay interpolation.
+Rate values must be between FPS_LOWER_LIMIT and FPS_UPPER_LIMIT inclusive to be accepted.
+
+\param manager Pointer to the framerate manager.
+\param rate The new framerate in Hz (frames per second).
+
+\return 0 for sucess and -1 for error.
+*/
+int SDL_setFramerate(FPSmanager * manager, Uint32 rate)
+{
+	if ((rate >= FPS_LOWER_LIMIT) && (rate <= FPS_UPPER_LIMIT)) {
+		manager->framecount = 0;
+		manager->rate = rate;
+		manager->rateticks = (1000.0f / (float) rate);
+		return (0);
+	} else {
+		return (-1);
+	}
+}
+
+/*!
+\brief Return the current target framerate in Hz 
+
+Get the currently set framerate of the manager.
+
+\param manager Pointer to the framerate manager.
+
+\return Current framerate in Hz or -1 for error.
+*/
+int SDL_getFramerate(FPSmanager * manager)
+{
+	if (manager == NULL) {
+		return (-1);
+	} else {
+		return ((int)manager->rate);
+	}
+}
+
+/*!
+\brief Return the current framecount.
+
+Get the current framecount from the framerate manager. 
+A frame is counted each time SDL_framerateDelay is called.
+
+\param manager Pointer to the framerate manager.
+
+\return Current frame count or -1 for error.
+*/
+int SDL_getFramecount(FPSmanager * manager)
+{
+	if (manager == NULL) {
+		return (-1);
+	} else {
+		return ((int)manager->framecount);
+	}
+}
+
+/*!
+\brief Delay execution to maintain a constant framerate and calculate fps.
+
+Generate a delay to accomodate currently set framerate. Call once in the
+graphics/rendering loop. If the computer cannot keep up with the rate (i.e.
+drawing too slow), the delay is zero and the delay interpolation is reset.
+
+\param manager Pointer to the framerate manager.
+
+\return The time that passed since the last call to the function in ms. May return 0.
+*/
+Uint32 SDL_framerateDelay(FPSmanager * manager)
+{
+	Uint32 current_ticks;
+	Uint32 target_ticks;
+	Uint32 the_delay;
+	Uint32 time_passed = 0;
+
+	/*
+	* No manager, no delay
+	*/
+	if (manager == NULL) {
+		return 0;
+	}
+
+	/*
+	* Initialize uninitialized manager 
+	*/
+	if (manager->baseticks == 0) {
+		SDL_initFramerate(manager);
+	}
+
+	/*
+	* Next frame 
+	*/
+	manager->framecount++;
+
+	/*
+	* Get/calc ticks 
+	*/
+	current_ticks = _getTicks();
+	time_passed = current_ticks - manager->lastticks;
+	manager->lastticks = current_ticks;
+	target_ticks = manager->baseticks + (Uint32) ((float) manager->framecount * manager->rateticks);
+
+	if (current_ticks <= target_ticks) {
+		the_delay = target_ticks - current_ticks;
+		SDL_Delay(the_delay);
+	} else {
+		manager->framecount = 0;
+		manager->baseticks = _getTicks();
+	}
+
+	return time_passed;
+}
diff --git a/src/sdl2gfx/SDL_framerate.h b/src/sdl2gfx/SDL_framerate.h
new file mode 100644
index 000000000..b4e7ab8e8
--- /dev/null
+++ b/src/sdl2gfx/SDL_framerate.h
@@ -0,0 +1,100 @@
+/*
+
+SDL2_framerate.h: framerate manager
+
+Copyright (C) 2012  Andreas Schiffler
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software
+in a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not be
+misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source
+distribution.
+
+Andreas Schiffler -- aschiffler at ferzkopp dot net
+
+*/
+
+#ifndef _SDL2_framerate_h
+#define _SDL2_framerate_h
+
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	/* --- */
+
+#include "SDL.h"
+
+	/* --------- Definitions */
+
+	/*!
+	\brief Highest possible rate supported by framerate controller in Hz (1/s).
+	*/
+#define FPS_UPPER_LIMIT		200
+
+	/*!
+	\brief Lowest possible rate supported by framerate controller in Hz (1/s).
+	*/
+#define FPS_LOWER_LIMIT		1
+
+	/*!
+	\brief Default rate of framerate controller in Hz (1/s).
+	*/
+#define FPS_DEFAULT		30
+
+	/*! 
+	\brief Structure holding the state and timing information of the framerate controller. 
+	*/
+	typedef struct {
+		Uint32 framecount;
+		float rateticks;
+		Uint32 baseticks;
+		Uint32 lastticks;
+		Uint32 rate;
+	} FPSmanager;
+
+	/* ---- Function Prototypes */
+
+#ifdef _MSC_VER
+#  if defined(DLL_EXPORT) && !defined(LIBSDL2_GFX_DLL_IMPORT)
+#    define SDL2_FRAMERATE_SCOPE __declspec(dllexport)
+#  else
+#    ifdef LIBSDL2_GFX_DLL_IMPORT
+#      define SDL2_FRAMERATE_SCOPE __declspec(dllimport)
+#    endif
+#  endif
+#endif
+#ifndef SDL2_FRAMERATE_SCOPE
+#  define SDL2_FRAMERATE_SCOPE extern
+#endif
+
+	/* Functions return 0 or value for sucess and -1 for error */
+
+	SDL2_FRAMERATE_SCOPE void SDL_initFramerate(FPSmanager * manager);
+	SDL2_FRAMERATE_SCOPE int SDL_setFramerate(FPSmanager * manager, Uint32 rate);
+	SDL2_FRAMERATE_SCOPE int SDL_getFramerate(FPSmanager * manager);
+	SDL2_FRAMERATE_SCOPE int SDL_getFramecount(FPSmanager * manager);
+	SDL2_FRAMERATE_SCOPE Uint32 SDL_framerateDelay(FPSmanager * manager);
+
+	/* --- */
+
+	/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+
+#endif				/* _SDL2_framerate_h */
diff --git a/src/sdl2gfx/SDL_gfxPrimitives.c b/src/sdl2gfx/SDL_gfxPrimitives.c
new file mode 100644
index 000000000..f2115ce99
--- /dev/null
+++ b/src/sdl2gfx/SDL_gfxPrimitives.c
@@ -0,0 +1,4295 @@
+/* 
+
+SDL2_gfxPrimitives.c: graphics primitives for SDL2 renderers
+
+Copyright (C) 2012  Andreas Schiffler
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software
+in a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not be
+misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source
+distribution.
+
+Andreas Schiffler -- aschiffler at ferzkopp dot net
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+#include "SDL_gfxPrimitives.h"
+#include "SDL_rotozoom.h"
+#include "SDL_gfxPrimitives_font.h"
+
+/* ---- Structures */

+

+/*!

+\brief The structure passed to the internal Bresenham iterator.

+*/

+typedef struct {

+	Sint16 x, y;

+	int dx, dy, s1, s2, swapdir, error;

+	Uint32 count;

+} SDL2_gfxBresenhamIterator;

+

+/*!

+\brief The structure passed to the internal Murphy iterator.

+*/

+typedef struct {

+	SDL_Renderer *renderer;

+	int u, v;		/* delta x , delta y */

+	int ku, kt, kv, kd;	/* loop constants */

+	int oct2;

+	int quad4;

+	Sint16 last1x, last1y, last2x, last2y, first1x, first1y, first2x, first2y, tempx, tempy;

+} SDL2_gfxMurphyIterator;
+
+/* ---- Pixel */
+
+/*!
+\brief Draw pixel  in currently set color.
+
+\param renderer The renderer to draw on.
+\param x X (horizontal) coordinate of the pixel.
+\param y Y (vertical) coordinate of the pixel.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int pixel(SDL_Renderer *renderer, Sint16 x, Sint16 y)
+{
+	return SDL_RenderDrawPoint(renderer, x, y);
+}
+
+/*!
+\brief Draw pixel with blending enabled if a<255.
+
+\param renderer The renderer to draw on.
+\param x X (horizontal) coordinate of the pixel.
+\param y Y (vertical) coordinate of the pixel.
+\param color The color value of the pixel to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int pixelColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return pixelRGBA(renderer, x, y, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw pixel with blending enabled if a<255.
+
+\param renderer The renderer to draw on.
+\param x X (horizontal) coordinate of the pixel.
+\param y Y (vertical) coordinate of the pixel.
+\param r The red color value of the pixel to draw. 
+\param g The green color value of the pixel to draw.
+\param b The blue color value of the pixel to draw.
+\param a The alpha value of the pixel to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int pixelRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);
+	result |= SDL_RenderDrawPoint(renderer, x, y);
+	return result;
+}
+
+/*!

+\brief Draw pixel with blending enabled and using alpha weight on color.

+

+\param renderer The renderer to draw on.
+\param x The horizontal coordinate of the pixel.

+\param y The vertical position of the pixel.

+\param r The red color value of the pixel to draw. 
+\param g The green color value of the pixel to draw.
+\param b The blue color value of the pixel to draw.
+\param a The alpha value of the pixel to draw.
+\param weight The weight multiplied into the alpha value of the pixel.

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int pixelRGBAWeight(SDL_Renderer * renderer, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a, Uint32 weight)

+{

+	/*

+	* Modify Alpha by weight 

+	*/

+	Uint32 ax = a;

+	ax = ((ax * weight) >> 8);

+	if (ax > 255) {

+		a = 255;

+	} else {

+		a = (Uint8)(ax & 0x000000ff);

+	}

+

+	return pixelRGBA(renderer, x, y, r, g, b, a);

+}
+
+/* ---- Hline */
+
+/*!
+\brief Draw horizontal line in currently set color
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. left) of the line.
+\param x2 X coordinate of the second point (i.e. right) of the line.
+\param y Y coordinate of the points of the line.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int hline(SDL_Renderer * renderer, Sint16 x1, Sint16 x2, Sint16 y)
+{
+	return SDL_RenderDrawLine(renderer, x1, y, x2, y);;
+}
+
+
+/*!
+\brief Draw horizontal line with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. left) of the line.
+\param x2 X coordinate of the second point (i.e. right) of the line.
+\param y Y coordinate of the points of the line.
+\param color The color value of the line to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int hlineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return hlineRGBA(renderer, x1, x2, y, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw horizontal line with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. left) of the line.
+\param x2 X coordinate of the second point (i.e. right) of the line.
+\param y Y coordinate of the points of the line.
+\param r The red value of the line to draw. 
+\param g The green value of the line to draw. 
+\param b The blue value of the line to draw. 
+\param a The alpha value of the line to draw. 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int hlineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);
+	result |= SDL_RenderDrawLine(renderer, x1, y, x2, y);
+	return result;
+}
+
+/* ---- Vline */
+
+/*!
+\brief Draw vertical line with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the points of the line.
+\param y1 Y coordinate of the first point (i.e. top) of the line.
+\param y2 Y coordinate of the second point (i.e. bottom) of the line.
+\param color The color value of the line to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int vlineColor(SDL_Renderer * renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return vlineRGBA(renderer, x, y1, y2, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw vertical line with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the points of the line.
+\param y1 Y coordinate of the first point (i.e. top) of the line.
+\param y2 Y coordinate of the second point (i.e. bottom) of the line.
+\param r The red value of the line to draw. 
+\param g The green value of the line to draw. 
+\param b The blue value of the line to draw. 
+\param a The alpha value of the line to draw. 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int vlineRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);
+	result |= SDL_RenderDrawLine(renderer, x, y1, x, y2);
+	return result;
+}
+
+/* ---- Rectangle */
+
+/*!
+\brief Draw rectangle with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. top right) of the rectangle.
+\param y1 Y coordinate of the first point (i.e. top right) of the rectangle.
+\param x2 X coordinate of the second point (i.e. bottom left) of the rectangle.
+\param y2 Y coordinate of the second point (i.e. bottom left) of the rectangle.
+\param color The color value of the rectangle to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int rectangleColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return rectangleRGBA(renderer, x1, y1, x2, y2, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw rectangle with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. top right) of the rectangle.
+\param y1 Y coordinate of the first point (i.e. top right) of the rectangle.
+\param x2 X coordinate of the second point (i.e. bottom left) of the rectangle.
+\param y2 Y coordinate of the second point (i.e. bottom left) of the rectangle.
+\param r The red value of the rectangle to draw. 
+\param g The green value of the rectangle to draw. 
+\param b The blue value of the rectangle to draw. 
+\param a The alpha value of the rectangle to draw. 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int rectangleRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;
+	Sint16 tmp;
+	SDL_Rect rect;
+
+	/*
+	* Test for special cases of straight lines or single point 
+	*/
+	if (x1 == x2) {
+		if (y1 == y2) {
+			return (pixelRGBA(renderer, x1, y1, r, g, b, a));
+		} else {
+			return (vlineRGBA(renderer, x1, y1, y2, r, g, b, a));
+		}
+	} else {
+		if (y1 == y2) {
+			return (hlineRGBA(renderer, x1, x2, y1, r, g, b, a));
+		}
+	}
+
+	/*
+	* Swap x1, x2 if required 
+	*/
+	if (x1 > x2) {
+		tmp = x1;
+		x1 = x2;
+		x2 = tmp;
+	}
+
+	/*
+	* Swap y1, y2 if required 
+	*/
+	if (y1 > y2) {
+		tmp = y1;
+		y1 = y2;
+		y2 = tmp;
+	}
+
+	/* 
+	* Create destination rect
+	*/	
+	rect.x = x1;
+	rect.y = y1;
+	rect.w = x2 - x1;
+	rect.h = y2 - y1;
+	
+	/*
+	* Draw
+	*/
+	result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);	
+	result |= SDL_RenderDrawRect(renderer, &rect);
+	return result;
+}
+
+/* ---- Rounded Rectangle */
+
+/*!
+\brief Draw rounded-corner rectangle with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. top right) of the rectangle.
+\param y1 Y coordinate of the first point (i.e. top right) of the rectangle.
+\param x2 X coordinate of the second point (i.e. bottom left) of the rectangle.
+\param y2 Y coordinate of the second point (i.e. bottom left) of the rectangle.
+\param rad The radius of the corner arc.
+\param color The color value of the rectangle to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int roundedRectangleColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return roundedRectangleRGBA(renderer, x1, y1, x2, y2, rad, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw rounded-corner rectangle with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. top right) of the rectangle.
+\param y1 Y coordinate of the first point (i.e. top right) of the rectangle.
+\param x2 X coordinate of the second point (i.e. bottom left) of the rectangle.
+\param y2 Y coordinate of the second point (i.e. bottom left) of the rectangle.
+\param rad The radius of the corner arc.
+\param r The red value of the rectangle to draw. 
+\param g The green value of the rectangle to draw. 
+\param b The blue value of the rectangle to draw. 
+\param a The alpha value of the rectangle to draw. 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int roundedRectangleRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result = 0;
+	Sint16 tmp;
+	Sint16 w, h;
+	Sint16 xx1, xx2;
+	Sint16 yy1, yy2;
+	
+	/*
+	* Check renderer
+	*/
+	if (renderer == NULL)
+	{
+		return -1;
+	}
+
+	/*
+	* Check radius vor valid range
+	*/
+	if (rad < 0) {
+		return -1;
+	}
+
+	/*
+	* Special case - no rounding
+	*/
+	if (rad == 0) {
+		return rectangleRGBA(renderer, x1, y1, x2, y2, r, g, b, a);
+	}
+
+	/*
+	* Test for special cases of straight lines or single point 
+	*/
+	if (x1 == x2) {
+		if (y1 == y2) {
+			return (pixelRGBA(renderer, x1, y1, r, g, b, a));
+		} else {
+			return (vlineRGBA(renderer, x1, y1, y2, r, g, b, a));
+		}
+	} else {
+		if (y1 == y2) {
+			return (hlineRGBA(renderer, x1, x2, y1, r, g, b, a));
+		}
+	}
+
+	/*
+	* Swap x1, x2 if required 
+	*/
+	if (x1 > x2) {
+		tmp = x1;
+		x1 = x2;
+		x2 = tmp;
+	}
+
+	/*
+	* Swap y1, y2 if required 
+	*/
+	if (y1 > y2) {
+		tmp = y1;
+		y1 = y2;
+		y2 = tmp;
+	}
+
+	/*
+	* Calculate width&height 
+	*/
+	w = x2 - x1;
+	h = y2 - y1;
+
+	/*
+	* Maybe adjust radius
+	*/
+	if ((rad * 2) > w)  
+	{
+		rad = w / 2;
+	}
+	if ((rad * 2) > h)
+	{
+		rad = h / 2;
+	}
+
+	/*
+	* Draw corners
+	*/
+	xx1 = x1 + rad;
+	xx2 = x2 - rad;
+	yy1 = y1 + rad;
+	yy2 = y2 - rad;
+	result |= arcRGBA(renderer, xx1, yy1, rad, 180, 270, r, g, b, a);
+	result |= arcRGBA(renderer, xx2, yy1, rad, 270, 360, r, g, b, a);
+	result |= arcRGBA(renderer, xx1, yy2, rad,  90, 180, r, g, b, a);
+	result |= arcRGBA(renderer, xx2, yy2, rad,   0,  90, r, g, b, a);
+
+	/*
+	* Draw lines
+	*/
+	if (xx1 <= xx2) {
+		result |= hlineRGBA(renderer, xx1, xx2, y1, r, g, b, a);
+		result |= hlineRGBA(renderer, xx1, xx2, y2, r, g, b, a);
+	}
+	if (yy1 <= yy2) {
+		result |= vlineRGBA(renderer, x1, yy1, yy2, r, g, b, a);
+		result |= vlineRGBA(renderer, x2, yy1, yy2, r, g, b, a);
+	}
+
+	return result;
+}
+
+/* ---- Rounded Box */
+
+/*!
+\brief Draw rounded-corner box (filled rectangle) with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. top right) of the box.
+\param y1 Y coordinate of the first point (i.e. top right) of the box.
+\param x2 X coordinate of the second point (i.e. bottom left) of the box.
+\param y2 Y coordinate of the second point (i.e. bottom left) of the box.
+\param rad The radius of the corner arcs of the box.
+\param color The color value of the box to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int roundedBoxColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return roundedBoxRGBA(renderer, x1, y1, x2, y2, rad, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw rounded-corner box (filled rectangle) with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. top right) of the box.
+\param y1 Y coordinate of the first point (i.e. top right) of the box.
+\param x2 X coordinate of the second point (i.e. bottom left) of the box.
+\param y2 Y coordinate of the second point (i.e. bottom left) of the box.
+\param rad The radius of the corner arcs of the box.
+\param r The red value of the box to draw. 
+\param g The green value of the box to draw. 
+\param b The blue value of the box to draw. 
+\param a The alpha value of the box to draw. 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int roundedBoxRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2,
+	Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result = 0;
+	Sint16 w, h, tmp;
+	Sint16 xx1, xx2, yy1, yy2;
+
+	/* 
+	* Check destination renderer 
+	*/
+	if (renderer == NULL)
+	{
+		return -1;
+	}
+
+	/*
+	* Check radius vor valid range
+	*/
+	if (rad < 0) {
+		return -1;
+	}
+
+	/*
+	* Special case - no rounding
+	*/
+	if (rad == 0) {
+		return rectangleRGBA(renderer, x1, y1, x2, y2, r, g, b, a);
+	}
+
+	/*
+	* Test for special cases of straight lines or single point 
+	*/
+	if (x1 == x2) {
+		if (y1 == y2) {
+			return (pixelRGBA(renderer, x1, y1, r, g, b, a));
+		} else {
+			return (vlineRGBA(renderer, x1, y1, y2, r, g, b, a));
+		}
+	} else {
+		if (y1 == y2) {
+			return (hlineRGBA(renderer, x1, x2, y1, r, g, b, a));
+		}
+	}
+
+	/*
+	* Swap x1, x2 if required 
+	*/
+	if (x1 > x2) {
+		tmp = x1;
+		x1 = x2;
+		x2 = tmp;
+	}
+
+	/*
+	* Swap y1, y2 if required 
+	*/
+	if (y1 > y2) {
+		tmp = y1;
+		y1 = y2;
+		y2 = tmp;
+	}
+
+	/*
+	* Calculate width&height 
+	*/
+	w = x2 - x1;
+	h = y2 - y1;
+
+	/*
+	* Maybe adjust radius
+	*/
+	if ((rad * 2) > w)  
+	{
+		rad = w / 2;
+	}
+	if ((rad * 2) > h)
+	{
+		rad = h / 2;
+	}
+
+	/*
+	* Draw corners
+	*/
+	xx1 = x1 + rad;
+	xx2 = x2 - rad;
+	yy1 = y1 + rad;
+	yy2 = y2 - rad;
+	result |= filledPieRGBA(renderer, xx1, yy1, rad, 180, 270, r, g, b, a);
+	result |= filledPieRGBA(renderer, xx2, yy1, rad, 270, 360, r, g, b, a);
+	result |= filledPieRGBA(renderer, xx1, yy2, rad,  90, 180, r, g, b, a);
+	result |= filledPieRGBA(renderer, xx2, yy2, rad,   0,  90, r, g, b, a);
+
+	/*
+	* Draw body
+	*/
+	xx1++;
+	xx2--;
+	yy1++;
+	yy2--;
+	if (xx1 <= xx2) {
+		result |= boxRGBA(renderer, xx1, y1, xx2, y2, r, g, b, a);
+	}
+	if (yy1 <= yy2) {
+		result |= boxRGBA(renderer, x1, yy1, xx1-1, yy2, r, g, b, a);
+		result |= boxRGBA(renderer, xx2+1, yy1, x2, yy2, r, g, b, a);
+	}
+
+	return result;
+}
+
+/* ---- Box */
+
+/*!
+\brief Draw box (filled rectangle) with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. top right) of the box.
+\param y1 Y coordinate of the first point (i.e. top right) of the box.
+\param x2 X coordinate of the second point (i.e. bottom left) of the box.
+\param y2 Y coordinate of the second point (i.e. bottom left) of the box.
+\param color The color value of the box to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int boxColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return boxRGBA(renderer, x1, y1, x2, y2, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw box (filled rectangle) with blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. top right) of the box.
+\param y1 Y coordinate of the first point (i.e. top right) of the box.
+\param x2 X coordinate of the second point (i.e. bottom left) of the box.
+\param y2 Y coordinate of the second point (i.e. bottom left) of the box.
+\param r The red value of the box to draw. 
+\param g The green value of the box to draw. 
+\param b The blue value of the box to draw. 
+\param a The alpha value of the box to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int boxRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;
+	Sint16 tmp;
+	SDL_Rect rect;
+
+	/*
+	* Test for special cases of straight lines or single point 
+	*/
+	if (x1 == x2) {
+		if (y1 == y2) {
+			return (pixelRGBA(renderer, x1, y1, r, g, b, a));
+		} else {
+			return (vlineRGBA(renderer, x1, y1, y2, r, g, b, a));
+		}
+	} else {
+		if (y1 == y2) {
+			return (hlineRGBA(renderer, x1, x2, y1, r, g, b, a));
+		}
+	}
+
+	/*
+	* Swap x1, x2 if required 
+	*/
+	if (x1 > x2) {
+		tmp = x1;
+		x1 = x2;
+		x2 = tmp;
+	}
+
+	/*
+	* Swap y1, y2 if required 
+	*/
+	if (y1 > y2) {
+		tmp = y1;
+		y1 = y2;
+		y2 = tmp;
+	}
+
+	/* 
+	* Create destination rect
+	*/	
+	rect.x = x1;
+	rect.y = y1;
+	rect.w = x2 - x1;
+	rect.h = y2 - y1;
+	
+	/*
+	* Draw
+	*/
+	result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);	
+	result |= SDL_RenderFillRect(renderer, &rect);
+	return result;
+}
+
+/* ----- Line */
+
+/*!
+\brief Draw line with alpha blending using the currently set color.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the line.
+\param y1 Y coordinate of the first point of the line.
+\param x2 X coordinate of the second point of the line.
+\param y2 Y coordinate of the second point of the line.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int line(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2)
+{
+	/*
+	* Draw
+	*/
+	return SDL_RenderDrawLine(renderer, x1, y1, x2, y2);
+}
+
+/*!
+\brief Draw line with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the line.
+\param y1 Y coordinate of the first point of the line.
+\param x2 X coordinate of the second point of the line.
+\param y2 Y coordinate of the seond point of the line.
+\param color The color value of the line to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int lineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return lineRGBA(renderer, x1, y1, x2, y2, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw line with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the line.
+\param y1 Y coordinate of the first point of the line.
+\param x2 X coordinate of the second point of the line.
+\param y2 Y coordinate of the second point of the line.
+\param r The red value of the line to draw. 
+\param g The green value of the line to draw. 
+\param b The blue value of the line to draw. 
+\param a The alpha value of the line to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int lineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	/*
+	* Draw
+	*/
+	int result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);	
+	result |= SDL_RenderDrawLine(renderer, x1, y1, x2, y2);
+	return result;
+}
+
+/* ---- AA Line */
+
+#define AAlevels 256

+#define AAbits 8

+

+/*!

+\brief Internal function to draw anti-aliased line with alpha blending and endpoint control.

+

+This implementation of the Wu antialiasing code is based on Mike Abrash's

+DDJ article which was reprinted as Chapter 42 of his Graphics Programming

+Black Book, but has been optimized to work with SDL and utilizes 32-bit

+fixed-point arithmetic by A. Schiffler. The endpoint control allows the

+supression to draw the last pixel useful for rendering continous aa-lines

+with alpha<255.

+

+\param dst The surface to draw on.

+\param x1 X coordinate of the first point of the aa-line.

+\param y1 Y coordinate of the first point of the aa-line.

+\param x2 X coordinate of the second point of the aa-line.

+\param y2 Y coordinate of the second point of the aa-line.

+\param r The red value of the aa-line to draw. 
+\param g The green value of the aa-line to draw. 
+\param b The blue value of the aa-line to draw. 
+\param a The alpha value of the aa-line to draw.
+\param draw_endpoint Flag indicating if the endpoint should be drawn; draw if non-zero.

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int _aalineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a, int draw_endpoint)

+{

+	Sint32 xx0, yy0, xx1, yy1;

+	int result;

+	Uint32 intshift, erracc, erradj;

+	Uint32 erracctmp, wgt, wgtcompmask;

+	int dx, dy, tmp, xdir, y0p1, x0pxdir;

+

+	/*

+	* Keep on working with 32bit numbers 

+	*/

+	xx0 = x1;

+	yy0 = y1;

+	xx1 = x2;

+	yy1 = y2;

+

+	/*

+	* Reorder points if required 

+	*/

+	if (yy0 > yy1) {

+		tmp = yy0;

+		yy0 = yy1;

+		yy1 = tmp;

+		tmp = xx0;

+		xx0 = xx1;

+		xx1 = tmp;

+	}

+

+	/*

+	* Calculate distance 

+	*/

+	dx = xx1 - xx0;

+	dy = yy1 - yy0;

+

+	/*

+	* Check for special cases 

+	*/

+	if (dx == 0) {

+		/*

+		* Vertical line 

+		*/

+		if (draw_endpoint)

+		{

+			return (vlineRGBA(renderer, x1, y1, y2, r, g, b, a));

+		} else {

+			if (dy>0) {

+				return (vlineRGBA(renderer, x1, yy0, yy0+dy, r, g, b, a));

+			} else {

+				return (pixelRGBA(renderer, x1, y1, r, g, b, a));

+			}

+		}

+	} else if (dy == 0) {

+		/*

+		* Horizontal line 

+		*/

+		if (draw_endpoint)

+		{

+			return (hlineRGBA(renderer, x1, x2, y1, r, g, b, a));

+		} else {

+			if (dx>0) {

+				return (hlineRGBA(renderer, xx0, xx0+dx, y1, r, g, b, a));

+			} else {

+				return (pixelRGBA(renderer, x1, y1, r, g, b, a));

+			}

+		}

+	} else if ((dx == dy) && (draw_endpoint)) {

+		/*

+		* Diagonal line (with endpoint)

+		*/

+		return (lineRGBA(renderer, x1, y1, x2, y2,  r, g, b, a));

+	}

+

+	/*

+	* Adjust for negative dx and set xdir 

+	*/

+	if (dx >= 0) {

+		xdir = 1;

+	} else {

+		xdir = -1;

+		dx = (-dx);

+	}

+

+	/*

+	* Line is not horizontal, vertical or diagonal (with endpoint)

+	*/

+	result = 0;

+

+	/*

+	* Zero accumulator 

+	*/

+	erracc = 0;

+

+	/*

+	* # of bits by which to shift erracc to get intensity level 

+	*/

+	intshift = 32 - AAbits;

+

+	/*

+	* Mask used to flip all bits in an intensity weighting 

+	*/

+	wgtcompmask = AAlevels - 1;

+

+	/*

+	* Draw the initial pixel in the foreground color 

+	*/

+	result |= pixelRGBA(renderer, x1, y1, r, g, b, a);

+

+	/*

+	* x-major or y-major? 

+	*/

+	if (dy > dx) {

+

+		/*

+		* y-major.  Calculate 16-bit fixed point fractional part of a pixel that

+		* X advances every time Y advances 1 pixel, truncating the result so that

+		* we won't overrun the endpoint along the X axis 

+		*/

+		/*

+		* Not-so-portable version: erradj = ((Uint64)dx << 32) / (Uint64)dy; 

+		*/

+		erradj = ((dx << 16) / dy) << 16;

+

+		/*

+		* draw all pixels other than the first and last 

+		*/

+		x0pxdir = xx0 + xdir;

+		while (--dy) {

+			erracctmp = erracc;

+			erracc += erradj;

+			if (erracc <= erracctmp) {

+				/*

+				* rollover in error accumulator, x coord advances 

+				*/

+				xx0 = x0pxdir;

+				x0pxdir += xdir;

+			}

+			yy0++;		/* y-major so always advance Y */

+

+			/*

+			* the AAbits most significant bits of erracc give us the intensity

+			* weighting for this pixel, and the complement of the weighting for

+			* the paired pixel. 

+			*/

+			wgt = (erracc >> intshift) & 255;

+			result |= pixelRGBAWeight (renderer, xx0, yy0, r, g, b, a, 255 - wgt);

+			result |= pixelRGBAWeight (renderer, x0pxdir, yy0, r, g, b, a, wgt);

+		}

+

+	} else {

+

+		/*

+		* x-major line.  Calculate 16-bit fixed-point fractional part of a pixel

+		* that Y advances each time X advances 1 pixel, truncating the result so

+		* that we won't overrun the endpoint along the X axis. 

+		*/

+		/*

+		* Not-so-portable version: erradj = ((Uint64)dy << 32) / (Uint64)dx; 

+		*/

+		erradj = ((dy << 16) / dx) << 16;

+

+		/*

+		* draw all pixels other than the first and last 

+		*/

+		y0p1 = yy0 + 1;

+		while (--dx) {

+

+			erracctmp = erracc;

+			erracc += erradj;

+			if (erracc <= erracctmp) {

+				/*

+				* Accumulator turned over, advance y 

+				*/

+				yy0 = y0p1;

+				y0p1++;

+			}

+			xx0 += xdir;	/* x-major so always advance X */

+			/*

+			* the AAbits most significant bits of erracc give us the intensity

+			* weighting for this pixel, and the complement of the weighting for

+			* the paired pixel. 

+			*/

+			wgt = (erracc >> intshift) & 255;

+			result |= pixelRGBAWeight (renderer, xx0, yy0, r, g, b, a, 255 - wgt);

+			result |= pixelRGBAWeight (renderer, xx0, y0p1, r, g, b, a, wgt);

+		}

+	}

+

+	/*

+	* Do we have to draw the endpoint 

+	*/

+	if (draw_endpoint) {

+		/*

+		* Draw final pixel, always exactly intersected by the line and doesn't

+		* need to be weighted. 

+		*/

+		result |= pixelRGBA (renderer, x2, y2, r, g, b, a);

+	}

+

+	return (result);

+}
+
+/*!
+\brief Draw anti-aliased line with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the aa-line.
+\param y1 Y coordinate of the first point of the aa-line.
+\param x2 X coordinate of the second point of the aa-line.
+\param y2 Y coordinate of the second point of the aa-line.
+\param color The color value of the aa-line to draw (0xRRGGBBAA).
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aalineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return _aalineRGBA(renderer, x1, y1, x2, y2, c[0], c[1], c[2], c[3], 1);
+}
+
+/*!
+\brief Draw anti-aliased line with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the aa-line.
+\param y1 Y coordinate of the first point of the aa-line.
+\param x2 X coordinate of the second point of the aa-line.
+\param y2 Y coordinate of the second point of the aa-line.
+\param r The red value of the aa-line to draw. 
+\param g The green value of the aa-line to draw. 
+\param b The blue value of the aa-line to draw. 
+\param a The alpha value of the aa-line to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aalineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	return _aalineRGBA(renderer, x1, y1, x2, y2, r, g, b, a, 1);
+}
+
+/* ----- Circle */
+
+/*!
+\brief Draw circle with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the circle.
+\param y Y coordinate of the center of the circle.
+\param rad Radius in pixels of the circle.
+\param color The color value of the circle to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int circleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return ellipseRGBA(renderer, x, y, rad, rad, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw circle with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the circle.
+\param y Y coordinate of the center of the circle.
+\param rad Radius in pixels of the circle.
+\param r The red value of the circle to draw. 
+\param g The green value of the circle to draw. 
+\param b The blue value of the circle to draw. 
+\param a The alpha value of the circle to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int circleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	return ellipseRGBA(renderer, x, y, rad, rad, r, g, b, a);
+}
+
+/* ----- Arc */
+
+/*!
+\brief Arc with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the arc.
+\param y Y coordinate of the center of the arc.
+\param rad Radius in pixels of the arc.
+\param start Starting radius in degrees of the arc. 0 degrees is down, increasing counterclockwise.
+\param end Ending radius in degrees of the arc. 0 degrees is down, increasing counterclockwise.
+\param color The color value of the arc to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int arcColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return arcRGBA(renderer, x, y, rad, start, end, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Arc with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the arc.
+\param y Y coordinate of the center of the arc.
+\param rad Radius in pixels of the arc.
+\param start Starting radius in degrees of the arc. 0 degrees is down, increasing counterclockwise.
+\param end Ending radius in degrees of the arc. 0 degrees is down, increasing counterclockwise.
+\param r The red value of the arc to draw. 
+\param g The green value of the arc to draw. 
+\param b The blue value of the arc to draw. 
+\param a The alpha value of the arc to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int arcRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;

+	Sint16 cx = 0;

+	Sint16 cy = rad;

+	Sint16 df = 1 - rad;

+	Sint16 d_e = 3;

+	Sint16 d_se = -2 * rad + 5;

+	Sint16 xpcx, xmcx, xpcy, xmcy;

+	Sint16 ypcy, ymcy, ypcx, ymcx;

+	Uint8 drawoct;

+	int startoct, endoct, oct, stopval_start = 0, stopval_end = 0;

+	double dstart, dend, temp = 0.;

+

+	/*

+	* Sanity check radius 

+	*/

+	if (rad < 0) {

+		return (-1);

+	}

+

+	/*

+	* Special case for rad=0 - draw a point 

+	*/

+	if (rad == 0) {

+		return (pixelRGBA(renderer, x, y, r, g, b, a));

+	}

+

+	// Octant labelling

+	//      

+	//  \ 5 | 6 /

+	//   \  |  /

+	//  4 \ | / 7

+	//     \|/

+	//------+------ +x

+	//     /|\

+	//  3 / | \ 0

+	//   /  |  \

+	//  / 2 | 1 \

+	//      +y

+

+	// Initially reset bitmask to 0x00000000

+	// the set whether or not to keep drawing a given octant.

+	// For example: 0x00111100 means we're drawing in octants 2-5

+	drawoct = 0; 

+

+	/*

+	* Fixup angles

+	*/

+	start %= 360;

+	end %= 360;

+	// 0 <= start & end < 360; note that sometimes start > end - if so, arc goes back through 0.

+	while (start < 0) start += 360;

+	while (end < 0) end += 360;

+	start %= 360;

+	end %= 360;

+

+	// now, we find which octants we're drawing in.

+	startoct = start / 45;

+	endoct = end / 45;

+	oct = startoct - 1; // we increment as first step in loop

+

+	// stopval_start, stopval_end; 

+	// what values of cx to stop at.

+	do {

+		oct = (oct + 1) % 8;

+

+		if (oct == startoct) {

+			// need to compute stopval_start for this octant.  Look at picture above if this is unclear

+			dstart = (double)start;

+			switch (oct) 

+			{

+			case 0:

+			case 3:

+				temp = sin(dstart * M_PI / 180.);

+				break;

+			case 1:

+			case 6:

+				temp = cos(dstart * M_PI / 180.);

+				break;

+			case 2:

+			case 5:

+				temp = -cos(dstart * M_PI / 180.);

+				break;

+			case 4:

+			case 7:

+				temp = -sin(dstart * M_PI / 180.);

+				break;

+			}

+			temp *= rad;

+			stopval_start = (int)temp; // always round down.

+

+			// This isn't arbitrary, but requires graph paper to explain well.

+			// The basic idea is that we're always changing drawoct after we draw, so we

+			// stop immediately after we render the last sensible pixel at x = ((int)temp).

+

+			// and whether to draw in this octant initially

+			if (oct % 2) drawoct |= (1 << oct); // this is basically like saying drawoct[oct] = true, if drawoct were a bool array

+			else		 drawoct &= 255 - (1 << oct); // this is basically like saying drawoct[oct] = false

+		}

+		if (oct == endoct) {

+			// need to compute stopval_end for this octant

+			dend = (double)end;

+			switch (oct)

+			{

+			case 0:

+			case 3:

+				temp = sin(dend * M_PI / 180);

+				break;

+			case 1:

+			case 6:

+				temp = cos(dend * M_PI / 180);

+				break;

+			case 2:

+			case 5:

+				temp = -cos(dend * M_PI / 180);

+				break;

+			case 4:

+			case 7:

+				temp = -sin(dend * M_PI / 180);

+				break;

+			}

+			temp *= rad;

+			stopval_end = (int)temp;

+

+			// and whether to draw in this octant initially

+			if (startoct == endoct)	{

+				// note:      we start drawing, stop, then start again in this case

+				// otherwise: we only draw in this octant, so initialize it to false, it will get set back to true

+				if (start > end) {

+					// unfortunately, if we're in the same octant and need to draw over the whole circle, 

+					// we need to set the rest to true, because the while loop will end at the bottom.

+					drawoct = 255;

+				} else {

+					drawoct &= 255 - (1 << oct);

+				}

+			} 

+			else if (oct % 2) drawoct &= 255 - (1 << oct);

+			else			  drawoct |= (1 << oct);

+		} else if (oct != startoct) { // already verified that it's != endoct

+			drawoct |= (1 << oct); // draw this entire segment

+		}

+	} while (oct != endoct);

+

+	// so now we have what octants to draw and when to draw them. all that's left is the actual raster code.

+

+	/*

+	* Set color 

+	*/

+	result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);
+

+	/*

+	* Draw arc 

+	*/

+	do {

+		ypcy = y + cy;

+		ymcy = y - cy;

+		if (cx > 0) {

+			xpcx = x + cx;

+			xmcx = x - cx;

+

+			// always check if we're drawing a certain octant before adding a pixel to that octant.

+			if (drawoct & 4)  result |= pixel(renderer, xmcx, ypcy);

+			if (drawoct & 2)  result |= pixel(renderer, xpcx, ypcy);

+			if (drawoct & 32) result |= pixel(renderer, xmcx, ymcy);

+			if (drawoct & 64) result |= pixel(renderer, xpcx, ymcy);

+		} else {

+			if (drawoct & 96) result |= pixel(renderer, x, ymcy);

+			if (drawoct & 6)  result |= pixel(renderer, x, ypcy);

+		}

+

+		xpcy = x + cy;

+		xmcy = x - cy;

+		if (cx > 0 && cx != cy) {

+			ypcx = y + cx;

+			ymcx = y - cx;

+			if (drawoct & 8)   result |= pixel(renderer, xmcy, ypcx);

+			if (drawoct & 1)   result |= pixel(renderer, xpcy, ypcx);

+			if (drawoct & 16)  result |= pixel(renderer, xmcy, ymcx);

+			if (drawoct & 128) result |= pixel(renderer, xpcy, ymcx);

+		} else if (cx == 0) {

+			if (drawoct & 24)  result |= pixel(renderer, xmcy, y);

+			if (drawoct & 129) result |= pixel(renderer, xpcy, y);

+		}

+

+		/*

+		* Update whether we're drawing an octant

+		*/

+		if (stopval_start == cx) {

+			// works like an on-off switch.  

+			// This is just in case start & end are in the same octant.

+			if (drawoct & (1 << startoct)) drawoct &= 255 - (1 << startoct);		

+			else						   drawoct |= (1 << startoct);

+		}

+		if (stopval_end == cx) {

+			if (drawoct & (1 << endoct)) drawoct &= 255 - (1 << endoct);

+			else						 drawoct |= (1 << endoct);

+		}

+

+		/*

+		* Update pixels

+		*/

+		if (df < 0) {

+			df += d_e;

+			d_e += 2;

+			d_se += 2;

+		} else {

+			df += d_se;

+			d_e += 2;

+			d_se += 4;

+			cy--;

+		}

+		cx++;

+	} while (cx <= cy);

+

+	return (result);
+}
+
+/* ----- AA Circle */
+
+/*!
+\brief Draw anti-aliased circle with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the aa-circle.
+\param y Y coordinate of the center of the aa-circle.
+\param rad Radius in pixels of the aa-circle.
+\param color The color value of the aa-circle to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aacircleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return aaellipseRGBA(renderer, x, y, rad, rad, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw anti-aliased circle with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the aa-circle.
+\param y Y coordinate of the center of the aa-circle.
+\param rad Radius in pixels of the aa-circle.
+\param r The red value of the aa-circle to draw. 
+\param g The green value of the aa-circle to draw. 
+\param b The blue value of the aa-circle to draw. 
+\param a The alpha value of the aa-circle to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aacircleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	/*
+	* Draw 
+	*/
+	return aaellipseRGBA(renderer, x, y, rad, rad, r, g, b, a);
+}
+
+/* ----- Filled Circle */
+
+/*!
+\brief Draw filled circle with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the filled circle.
+\param y Y coordinate of the center of the filled circle.
+\param rad Radius in pixels of the filled circle.
+\param color The color value of the filled circle to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledCircleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return filledEllipseRGBA(renderer, x, y, rad, rad, c[0], c[1], c[2], c[3]);
+}

+
+/*!
+\brief Draw filled circle with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the filled circle.
+\param y Y coordinate of the center of the filled circle.
+\param rad Radius in pixels of the filled circle.
+\param r The red value of the filled circle to draw. 
+\param g The green value of the filled circle to draw. 
+\param b The blue value of the filled circle to draw. 
+\param a The alpha value of the filled circle to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledCircleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;

+	Sint16 cx = 0;

+	Sint16 cy = rad;

+	Sint16 ocx = (Sint16) 0xffff;

+	Sint16 ocy = (Sint16) 0xffff;

+	Sint16 df = 1 - rad;

+	Sint16 d_e = 3;

+	Sint16 d_se = -2 * rad + 5;

+	Sint16 xpcx, xmcx, xpcy, xmcy;

+	Sint16 ypcy, ymcy, ypcx, ymcx;

+

+	/*

+	* Sanity check radius 

+	*/

+	if (rad < 0) {

+		return (-1);

+	}

+

+	/*

+	* Special case for rad=0 - draw a point 

+	*/

+	if (rad == 0) {

+		return (pixelRGBA(renderer, x, y, r, g, b, a));

+	}

+

+	/*

+	* Set color

+	*/

+	result = 0;

+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);
+

+	/*

+	* Draw 

+	*/

+	do {

+		xpcx = x + cx;

+		xmcx = x - cx;

+		xpcy = x + cy;

+		xmcy = x - cy;

+		if (ocy != cy) {

+			if (cy > 0) {

+				ypcy = y + cy;

+				ymcy = y - cy;

+				result |= hline(renderer, xmcx, xpcx, ypcy);

+				result |= hline(renderer, xmcx, xpcx, ymcy);

+			} else {

+				result |= hline(renderer, xmcx, xpcx, y);

+			}

+			ocy = cy;

+		}

+		if (ocx != cx) {

+			if (cx != cy) {

+				if (cx > 0) {

+					ypcx = y + cx;

+					ymcx = y - cx;

+					result |= hline(renderer, xmcy, xpcy, ymcx);

+					result |= hline(renderer, xmcy, xpcy, ypcx);

+				} else {

+					result |= hline(renderer, xmcy, xpcy, y);

+				}

+			}

+			ocx = cx;

+		}

+

+		/*

+		* Update 

+		*/

+		if (df < 0) {

+			df += d_e;

+			d_e += 2;

+			d_se += 2;

+		} else {

+			df += d_se;

+			d_e += 2;

+			d_se += 4;

+			cy--;

+		}

+		cx++;

+	} while (cx <= cy);

+

+	return (result);
+}
+
+/* ----- Ellipse */
+
+/*!
+\brief Draw ellipse with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the ellipse.
+\param y Y coordinate of the center of the ellipse.
+\param rx Horizontal radius in pixels of the ellipse.
+\param ry Vertical radius in pixels of the ellipse.
+\param color The color value of the ellipse to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int ellipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color)
+{

+	Uint8 *c = (Uint8 *)&color; 
+	return ellipseRGBA(renderer, x, y, rx, ry, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw ellipse with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the ellipse.
+\param y Y coordinate of the center of the ellipse.
+\param rx Horizontal radius in pixels of the ellipse.
+\param ry Vertical radius in pixels of the ellipse.
+\param r The red value of the ellipse to draw. 
+\param g The green value of the ellipse to draw. 
+\param b The blue value of the ellipse to draw. 
+\param a The alpha value of the ellipse to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int ellipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;

+	int ix, iy;

+	int h, i, j, k;

+	int oh, oi, oj, ok;

+	int xmh, xph, ypk, ymk;

+	int xmi, xpi, ymj, ypj;

+	int xmj, xpj, ymi, ypi;

+	int xmk, xpk, ymh, yph;

+

+	/*

+	* Sanity check radii 

+	*/

+	if ((rx < 0) || (ry < 0)) {

+		return (-1);

+	}

+

+	/*

+	* Special case for rx=0 - draw a vline 

+	*/

+	if (rx == 0) {

+		return (vlineRGBA(renderer, x, y - ry, y + ry, r, g, b, a));

+	}

+	/*

+	* Special case for ry=0 - draw a hline 

+	*/

+	if (ry == 0) {

+		return (hlineRGBA(renderer, x - rx, x + rx, y, r, g, b, a));

+	}

+

+	/*

+	* Set color

+	*/

+	result = 0;

+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);
+

+	/*

+	* Init vars 

+	*/

+	oh = oi = oj = ok = 0xFFFF;

+

+	/*

+	* Draw 

+	*/

+	if (rx > ry) {

+		ix = 0;

+		iy = rx * 64;

+

+		do {

+			h = (ix + 32) >> 6;

+			i = (iy + 32) >> 6;

+			j = (h * ry) / rx;

+			k = (i * ry) / rx;

+

+			if (((ok != k) && (oj != k)) || ((oj != j) && (ok != j)) || (k != j)) {

+				xph = x + h;

+				xmh = x - h;

+				if (k > 0) {

+					ypk = y + k;

+					ymk = y - k;

+					result |= pixel(renderer, xmh, ypk);

+					result |= pixel(renderer, xph, ypk);

+					result |= pixel(renderer, xmh, ymk);

+					result |= pixel(renderer, xph, ymk);

+				} else {

+					result |= pixel(renderer, xmh, y);

+					result |= pixel(renderer, xph, y);

+				}

+				ok = k;

+				xpi = x + i;

+				xmi = x - i;

+				if (j > 0) {

+					ypj = y + j;

+					ymj = y - j;

+					result |= pixel(renderer, xmi, ypj);

+					result |= pixel(renderer, xpi, ypj);

+					result |= pixel(renderer, xmi, ymj);

+					result |= pixel(renderer, xpi, ymj);

+				} else {

+					result |= pixel(renderer, xmi, y);

+					result |= pixel(renderer, xpi, y);

+				}

+				oj = j;

+			}

+

+			ix = ix + iy / rx;

+			iy = iy - ix / rx;

+

+		} while (i > h);

+	} else {

+		ix = 0;

+		iy = ry * 64;

+

+		do {

+			h = (ix + 32) >> 6;

+			i = (iy + 32) >> 6;

+			j = (h * rx) / ry;

+			k = (i * rx) / ry;

+

+			if (((oi != i) && (oh != i)) || ((oh != h) && (oi != h) && (i != h))) {

+				xmj = x - j;

+				xpj = x + j;

+				if (i > 0) {

+					ypi = y + i;

+					ymi = y - i;

+					result |= pixel(renderer, xmj, ypi);

+					result |= pixel(renderer, xpj, ypi);

+					result |= pixel(renderer, xmj, ymi);

+					result |= pixel(renderer, xpj, ymi);

+				} else {

+					result |= pixel(renderer, xmj, y);

+					result |= pixel(renderer, xpj, y);

+				}

+				oi = i;

+				xmk = x - k;

+				xpk = x + k;

+				if (h > 0) {

+					yph = y + h;

+					ymh = y - h;

+					result |= pixel(renderer, xmk, yph);

+					result |= pixel(renderer, xpk, yph);

+					result |= pixel(renderer, xmk, ymh);

+					result |= pixel(renderer, xpk, ymh);

+				} else {

+					result |= pixel(renderer, xmk, y);

+					result |= pixel(renderer, xpk, y);

+				}

+				oh = h;

+			}

+

+			ix = ix + iy / ry;

+			iy = iy - ix / ry;

+

+		} while (i > h);

+	}

+

+	return (result);

+}
+
+/* ----- AA Ellipse */
+
+/* Windows targets do not have lrint, so provide a local inline version */

+#if defined(_MSC_VER)

+/* Detect 64bit and use intrinsic version */

+#ifdef _M_X64

+#include <emmintrin.h>

+static __inline long 

+	lrint(float f) 

+{

+	return _mm_cvtss_si32(_mm_load_ss(&f));

+}

+#elif defined(_M_IX86)

+__inline long int

+	lrint (double flt)

+{	

+	int intgr;

+	_asm

+	{

+		fld flt

+			fistp intgr

+	};

+	return intgr;

+}

+#elif defined(_M_ARM)

+#include <armintr.h>

+#pragma warning(push)

+#pragma warning(disable: 4716)

+__declspec(naked) long int

+	lrint (double flt)

+{

+	__emit(0xEC410B10); // fmdrr  d0, r0, r1

+	__emit(0xEEBD0B40); // ftosid s0, d0

+	__emit(0xEE100A10); // fmrs   r0, s0

+	__emit(0xE12FFF1E); // bx     lr

+}

+#pragma warning(pop)

+#else

+#error lrint needed for MSVC on non X86/AMD64/ARM targets.

+#endif

+#endif
+
+/*!
+\brief Draw anti-aliased ellipse with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the aa-ellipse.
+\param y Y coordinate of the center of the aa-ellipse.
+\param rx Horizontal radius in pixels of the aa-ellipse.
+\param ry Vertical radius in pixels of the aa-ellipse.
+\param color The color value of the aa-ellipse to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aaellipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return aaellipseRGBA(renderer, x, y, rx, ry, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw anti-aliased ellipse with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the aa-ellipse.
+\param y Y coordinate of the center of the aa-ellipse.
+\param rx Horizontal radius in pixels of the aa-ellipse.
+\param ry Vertical radius in pixels of the aa-ellipse.
+\param r The red value of the aa-ellipse to draw. 
+\param g The green value of the aa-ellipse to draw. 
+\param b The blue value of the aa-ellipse to draw. 
+\param a The alpha value of the aa-ellipse to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aaellipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;

+	int i;

+	int a2, b2, ds, dt, dxt, t, s, d;

+	Sint16 xp, yp, xs, ys, dyt, od, xx, yy, xc2, yc2;

+	float cp;

+	double sab;

+	Uint8 weight, iweight;

+

+	/*

+	* Sanity check radii 

+	*/

+	if ((rx < 0) || (ry < 0)) {

+		return (-1);

+	}

+

+	/*

+	* Special case for rx=0 - draw a vline 

+	*/

+	if (rx == 0) {

+		return (vlineRGBA(renderer, x, y - ry, y + ry, r, g, b, a));

+	}

+	/*

+	* Special case for ry=0 - draw an hline 

+	*/

+	if (ry == 0) {

+		return (hlineRGBA(renderer, x - rx, x + rx, y, r, g, b, a));

+	}

+

+	/* Variable setup */

+	a2 = rx * rx;

+	b2 = ry * ry;

+

+	ds = 2 * a2;

+	dt = 2 * b2;

+

+	xc2 = 2 * x;

+	yc2 = 2 * y;

+

+	sab = sqrt((double)(a2 + b2));

+	od = (Sint16)lrint(sab*0.01) + 1; /* introduce some overdraw */

+	dxt = (Sint16)lrint((double)a2 / sab) + od;

+

+	t = 0;

+	s = -2 * a2 * ry;

+	d = 0;

+

+	xp = x;

+	yp = y - ry;

+

+	/* Draw */

+	result = 0;

+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+

+	/* "End points" */

+	result |= pixelRGBA(renderer, xp, yp, r, g, b, a);

+	result |= pixelRGBA(renderer, xc2 - xp, yp, r, g, b, a);

+	result |= pixelRGBA(renderer, xp, yc2 - yp, r, g, b, a);

+	result |= pixelRGBA(renderer, xc2 - xp, yc2 - yp, r, g, b, a);

+

+	for (i = 1; i <= dxt; i++) {

+		xp--;

+		d += t - b2;

+

+		if (d >= 0)

+			ys = yp - 1;

+		else if ((d - s - a2) > 0) {

+			if ((2 * d - s - a2) >= 0)

+				ys = yp + 1;

+			else {

+				ys = yp;

+				yp++;

+				d -= s + a2;

+				s += ds;

+			}

+		} else {

+			yp++;

+			ys = yp + 1;

+			d -= s + a2;

+			s += ds;

+		}

+

+		t -= dt;

+

+		/* Calculate alpha */

+		if (s != 0) {

+			cp = (float) abs(d) / (float) abs(s);

+			if (cp > 1.0) {

+				cp = 1.0;

+			}

+		} else {

+			cp = 1.0;

+		}

+

+		/* Calculate weights */

+		weight = (Uint8) (cp * 255);

+		iweight = 255 - weight;

+

+		/* Upper half */

+		xx = xc2 - xp;

+		result |= pixelRGBAWeight(renderer, xp, yp, r, g, b, a, iweight);

+		result |= pixelRGBAWeight(renderer, xx, yp, r, g, b, a, iweight);

+

+		result |= pixelRGBAWeight(renderer, xp, ys, r, g, b, a, weight);

+		result |= pixelRGBAWeight(renderer, xx, ys, r, g, b, a, weight);

+

+		/* Lower half */

+		yy = yc2 - yp;

+		result |= pixelRGBAWeight(renderer, xp, yy, r, g, b, a, iweight);

+		result |= pixelRGBAWeight(renderer, xx, yy, r, g, b, a, iweight);

+

+		yy = yc2 - ys;

+		result |= pixelRGBAWeight(renderer, xp, yy, r, g, b, a, weight);

+		result |= pixelRGBAWeight(renderer, xx, yy, r, g, b, a, weight);

+	}

+

+	/* Replaces original approximation code dyt = abs(yp - yc); */

+	dyt = (Sint16)lrint((double)b2 / sab ) + od;    

+

+	for (i = 1; i <= dyt; i++) {

+		yp++;

+		d -= s + a2;

+

+		if (d <= 0)

+			xs = xp + 1;

+		else if ((d + t - b2) < 0) {

+			if ((2 * d + t - b2) <= 0)

+				xs = xp - 1;

+			else {

+				xs = xp;

+				xp--;

+				d += t - b2;

+				t -= dt;

+			}

+		} else {

+			xp--;

+			xs = xp - 1;

+			d += t - b2;

+			t -= dt;

+		}

+

+		s += ds;

+

+		/* Calculate alpha */

+		if (t != 0) {

+			cp = (float) abs(d) / (float) abs(t);

+			if (cp > 1.0) {

+				cp = 1.0;

+			}

+		} else {

+			cp = 1.0;

+		}

+

+		/* Calculate weight */

+		weight = (Uint8) (cp * 255);

+		iweight = 255 - weight;

+

+		/* Left half */

+		xx = xc2 - xp;

+		yy = yc2 - yp;

+		result |= pixelRGBAWeight(renderer, xp, yp, r, g, b, a, iweight);

+		result |= pixelRGBAWeight(renderer, xx, yp, r, g, b, a, iweight);

+

+		result |= pixelRGBAWeight(renderer, xp, yy, r, g, b, a, iweight);

+		result |= pixelRGBAWeight(renderer, xx, yy, r, g, b, a, iweight);

+

+		/* Right half */

+		xx = xc2 - xs;

+		result |= pixelRGBAWeight(renderer, xs, yp, r, g, b, a, weight);

+		result |= pixelRGBAWeight(renderer, xx, yp, r, g, b, a, weight);

+

+		result |= pixelRGBAWeight(renderer, xs, yy, r, g, b, a, weight);

+		result |= pixelRGBAWeight(renderer, xx, yy, r, g, b, a, weight);		

+	}

+

+	return (result);
+}
+
+/* ---- Filled Ellipse */
+
+/*!
+\brief Draw filled ellipse with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the filled ellipse.
+\param y Y coordinate of the center of the filled ellipse.
+\param rx Horizontal radius in pixels of the filled ellipse.
+\param ry Vertical radius in pixels of the filled ellipse.
+\param color The color value of the filled ellipse to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledEllipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return filledEllipseRGBA(renderer, x, y, rx, ry, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw filled ellipse with blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the filled ellipse.
+\param y Y coordinate of the center of the filled ellipse.
+\param rx Horizontal radius in pixels of the filled ellipse.
+\param ry Vertical radius in pixels of the filled ellipse.
+\param r The red value of the filled ellipse to draw. 
+\param g The green value of the filled ellipse to draw. 
+\param b The blue value of the filled ellipse to draw. 
+\param a The alpha value of the filled ellipse to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledEllipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;

+	int ix, iy;

+	int h, i, j, k;

+	int oh, oi, oj, ok;

+	int xmh, xph;

+	int xmi, xpi;

+	int xmj, xpj;

+	int xmk, xpk;

+

+	/*

+	* Sanity check radii 

+	*/

+	if ((rx < 0) || (ry < 0)) {

+		return (-1);

+	}

+

+	/*

+	* Special case for rx=0 - draw a vline 

+	*/

+	if (rx == 0) {

+		return (vlineRGBA(renderer, x, y - ry, y + ry, r, g, b, a));

+	}

+	/*

+	* Special case for ry=0 - draw a hline 

+	*/

+	if (ry == 0) {

+		return (hlineRGBA(renderer, x - rx, x + rx, y, r, g, b, a));

+	}

+

+	/*

+	* Set color

+	*/

+	result = 0;

+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);

+

+	/*

+	* Init vars 

+	*/

+	oh = oi = oj = ok = 0xFFFF;

+

+	/*

+	* Draw 

+	*/

+	if (rx > ry) {

+		ix = 0;

+		iy = rx * 64;

+

+		do {

+			h = (ix + 32) >> 6;

+			i = (iy + 32) >> 6;

+			j = (h * ry) / rx;

+			k = (i * ry) / rx;

+

+			if ((ok != k) && (oj != k)) {

+				xph = x + h;

+				xmh = x - h;

+				if (k > 0) {

+					result |= hline(renderer, xmh, xph, y + k);

+					result |= hline(renderer, xmh, xph, y - k);

+				} else {

+					result |= hline(renderer, xmh, xph, y);

+				}

+				ok = k;

+			}

+			if ((oj != j) && (ok != j) && (k != j)) {

+				xmi = x - i;

+				xpi = x + i;

+				if (j > 0) {

+					result |= hline(renderer, xmi, xpi, y + j);

+					result |= hline(renderer, xmi, xpi, y - j);

+				} else {

+					result |= hline(renderer, xmi, xpi, y);

+				}

+				oj = j;

+			}

+

+			ix = ix + iy / rx;

+			iy = iy - ix / rx;

+

+		} while (i > h);

+	} else {

+		ix = 0;

+		iy = ry * 64;

+

+		do {

+			h = (ix + 32) >> 6;

+			i = (iy + 32) >> 6;

+			j = (h * rx) / ry;

+			k = (i * rx) / ry;

+

+			if ((oi != i) && (oh != i)) {

+				xmj = x - j;

+				xpj = x + j;

+				if (i > 0) {

+					result |= hline(renderer, xmj, xpj, y + i);

+					result |= hline(renderer, xmj, xpj, y - i);

+				} else {

+					result |= hline(renderer, xmj, xpj, y);

+				}

+				oi = i;

+			}

+			if ((oh != h) && (oi != h) && (i != h)) {

+				xmk = x - k;

+				xpk = x + k;

+				if (h > 0) {

+					result |= hline(renderer, xmk, xpk, y + h);

+					result |= hline(renderer, xmk, xpk, y - h);

+				} else {

+					result |= hline(renderer, xmk, xpk, y);

+				}

+				oh = h;

+			}

+

+			ix = ix + iy / ry;

+			iy = iy - ix / ry;

+

+		} while (i > h);

+	}

+

+	return (result);
+}
+
+/* ----- Pie */
+
+/*!
+\brief Internal float (low-speed) pie-calc implementation by drawing polygons.
+
+Note: Determines vertex array and uses polygon or filledPolygon drawing routines to render.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the pie.
+\param y Y coordinate of the center of the pie.
+\param rad Radius in pixels of the pie.
+\param start Starting radius in degrees of the pie.
+\param end Ending radius in degrees of the pie.
+\param color The color value of the pie to draw (0xRRGGBBAA). 
+\param filled Flag indicating if the pie should be filled (=1) or not (=0).
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int _pieRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end,  Uint8 r, Uint8 g, Uint8 b, Uint8 a, Uint8 filled)
+{
+	int result;
+	double angle, start_angle, end_angle;
+	double deltaAngle;
+	double dr;
+	int numpoints, i;
+	Sint16 *vx, *vy;
+
+	/*
+	* Sanity check radii 
+	*/
+	if (rad < 0) {
+		return (-1);
+	}
+
+	/*
+	* Fixup angles
+	*/
+	start = start % 360;
+	end = end % 360;
+
+	/*
+	* Special case for rad=0 - draw a point 
+	*/
+	if (rad == 0) {
+		return (pixelRGBA(renderer, x, y, r, g, b, a));
+	}
+
+	/*
+	* Variable setup 
+	*/
+	dr = (double) rad;
+	deltaAngle = 3.0 / dr;
+	start_angle = (double) start *(2.0 * M_PI / 360.0);
+	end_angle = (double) end *(2.0 * M_PI / 360.0);
+	if (start > end) {
+		end_angle += (2.0 * M_PI);
+	}
+
+	/* We will always have at least 2 points */
+	numpoints = 2;
+
+	/* Count points (rather than calculating it) */
+	angle = start_angle;
+	while (angle < end_angle) {
+		angle += deltaAngle;
+		numpoints++;
+	}
+
+	/* Allocate combined vertex array */
+	vx = vy = (Sint16 *) malloc(2 * sizeof(Uint16) * numpoints);
+	if (vx == NULL) {
+		return (-1);
+	}
+
+	/* Update point to start of vy */
+	vy += numpoints;
+
+	/* Center */
+	vx[0] = x;
+	vy[0] = y;
+
+	/* First vertex */
+	angle = start_angle;
+	vx[1] = x + (int) (dr * cos(angle));
+	vy[1] = y + (int) (dr * sin(angle));
+
+	if (numpoints<3)
+	{
+		result = lineRGBA(renderer, vx[0], vy[0], vx[1], vy[1], r, g, b, a);
+	}
+	else
+	{
+		/* Calculate other vertices */
+		i = 2;
+		angle = start_angle;
+		while (angle < end_angle) {
+			angle += deltaAngle;
+			if (angle>end_angle)
+			{
+				angle = end_angle;
+			}
+			vx[i] = x + (int) (dr * cos(angle));
+			vy[i] = y + (int) (dr * sin(angle));
+			i++;
+		}
+
+		/* Draw */
+		if (filled) {
+			result = filledPolygonRGBA(renderer, vx, vy, numpoints, r, g, b, a);
+		} else {
+			result = polygonRGBA(renderer, vx, vy, numpoints, r, g, b, a);
+		}
+	}
+
+	/* Free combined vertex array */
+	free(vx);
+
+	return (result);
+}
+
+/*!
+\brief Draw pie (outline) with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the pie.
+\param y Y coordinate of the center of the pie.
+\param rad Radius in pixels of the pie.
+\param start Starting radius in degrees of the pie.
+\param end Ending radius in degrees of the pie.
+\param color The color value of the pie to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int pieColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, 
+	Sint16 start, Sint16 end, Uint32 color) 
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return _pieRGBA(renderer, x, y, rad, start, end, c[0], c[1], c[2], c[3], 0);
+}
+
+/*!
+\brief Draw pie (outline) with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the pie.
+\param y Y coordinate of the center of the pie.
+\param rad Radius in pixels of the pie.
+\param start Starting radius in degrees of the pie.
+\param end Ending radius in degrees of the pie.
+\param r The red value of the pie to draw. 
+\param g The green value of the pie to draw. 
+\param b The blue value of the pie to draw. 
+\param a The alpha value of the pie to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int pieRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
+	Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	return _pieRGBA(renderer, x, y, rad, start, end, r, g, b, a, 0);
+}
+
+/*!
+\brief Draw filled pie with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the filled pie.
+\param y Y coordinate of the center of the filled pie.
+\param rad Radius in pixels of the filled pie.
+\param start Starting radius in degrees of the filled pie.
+\param end Ending radius in degrees of the filled pie.
+\param color The color value of the filled pie to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledPieColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return _pieRGBA(renderer, x, y, rad, start, end, c[0], c[1], c[2], c[3], 1);
+}
+
+/*!
+\brief Draw filled pie with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x X coordinate of the center of the filled pie.
+\param y Y coordinate of the center of the filled pie.
+\param rad Radius in pixels of the filled pie.
+\param start Starting radius in degrees of the filled pie.
+\param end Ending radius in degrees of the filled pie.
+\param r The red value of the filled pie to draw. 
+\param g The green value of the filled pie to draw. 
+\param b The blue value of the filled pie to draw. 
+\param a The alpha value of the filled pie to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledPieRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
+	Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	return _pieRGBA(renderer, x, y, rad, start, end, r, g, b, a, 1);
+}
+
+/* ------ Trigon */
+
+/*!
+\brief Draw trigon (triangle outline) with alpha blending.
+
+Note: Creates vertex array and uses polygon routine to render.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the trigon.
+\param y1 Y coordinate of the first point of the trigon.
+\param x2 X coordinate of the second point of the trigon.
+\param y2 Y coordinate of the second point of the trigon.
+\param x3 X coordinate of the third point of the trigon.
+\param y3 Y coordinate of the third point of the trigon.
+\param color The color value of the trigon to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int trigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color)
+{
+	Sint16 vx[3]; 
+	Sint16 vy[3];
+
+	vx[0]=x1;
+	vx[1]=x2;
+	vx[2]=x3;
+	vy[0]=y1;
+	vy[1]=y2;
+	vy[2]=y3;
+
+	return(polygonColor(renderer,vx,vy,3,color));
+}
+
+/*!
+\brief Draw trigon (triangle outline) with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the trigon.
+\param y1 Y coordinate of the first point of the trigon.
+\param x2 X coordinate of the second point of the trigon.
+\param y2 Y coordinate of the second point of the trigon.
+\param x3 X coordinate of the third point of the trigon.
+\param y3 Y coordinate of the third point of the trigon.
+\param r The red value of the trigon to draw. 
+\param g The green value of the trigon to draw. 
+\param b The blue value of the trigon to draw. 
+\param a The alpha value of the trigon to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int trigonRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
+	Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	Sint16 vx[3]; 
+	Sint16 vy[3];
+
+	vx[0]=x1;
+	vx[1]=x2;
+	vx[2]=x3;
+	vy[0]=y1;
+	vy[1]=y2;
+	vy[2]=y3;
+
+	return(polygonRGBA(renderer,vx,vy,3,r,g,b,a));
+}				 
+
+/* ------ AA-Trigon */
+
+/*!
+\brief Draw anti-aliased trigon (triangle outline) with alpha blending.
+
+Note: Creates vertex array and uses aapolygon routine to render.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the aa-trigon.
+\param y1 Y coordinate of the first point of the aa-trigon.
+\param x2 X coordinate of the second point of the aa-trigon.
+\param y2 Y coordinate of the second point of the aa-trigon.
+\param x3 X coordinate of the third point of the aa-trigon.
+\param y3 Y coordinate of the third point of the aa-trigon.
+\param color The color value of the aa-trigon to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aatrigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color)
+{
+	Sint16 vx[3]; 
+	Sint16 vy[3];
+
+	vx[0]=x1;
+	vx[1]=x2;
+	vx[2]=x3;
+	vy[0]=y1;
+	vy[1]=y2;
+	vy[2]=y3;
+
+	return(aapolygonColor(renderer,vx,vy,3,color));
+}
+
+/*!
+\brief Draw anti-aliased trigon (triangle outline) with alpha blending.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the aa-trigon.
+\param y1 Y coordinate of the first point of the aa-trigon.
+\param x2 X coordinate of the second point of the aa-trigon.
+\param y2 Y coordinate of the second point of the aa-trigon.
+\param x3 X coordinate of the third point of the aa-trigon.
+\param y3 Y coordinate of the third point of the aa-trigon.
+\param r The red value of the aa-trigon to draw. 
+\param g The green value of the aa-trigon to draw. 
+\param b The blue value of the aa-trigon to draw. 
+\param a The alpha value of the aa-trigon to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aatrigonRGBA(SDL_Renderer * renderer,  Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
+	Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	Sint16 vx[3]; 
+	Sint16 vy[3];
+
+	vx[0]=x1;
+	vx[1]=x2;
+	vx[2]=x3;
+	vy[0]=y1;
+	vy[1]=y2;
+	vy[2]=y3;
+
+	return(aapolygonRGBA(renderer,vx,vy,3,r,g,b,a));
+}				   
+
+/* ------ Filled Trigon */
+
+/*!
+\brief Draw filled trigon (triangle) with alpha blending.
+
+Note: Creates vertex array and uses aapolygon routine to render.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the filled trigon.
+\param y1 Y coordinate of the first point of the filled trigon.
+\param x2 X coordinate of the second point of the filled trigon.
+\param y2 Y coordinate of the second point of the filled trigon.
+\param x3 X coordinate of the third point of the filled trigon.
+\param y3 Y coordinate of the third point of the filled trigon.
+\param color The color value of the filled trigon to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledTrigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color)
+{
+	Sint16 vx[3]; 
+	Sint16 vy[3];
+
+	vx[0]=x1;
+	vx[1]=x2;
+	vx[2]=x3;
+	vy[0]=y1;
+	vy[1]=y2;
+	vy[2]=y3;
+
+	return(filledPolygonColor(renderer,vx,vy,3,color));
+}
+
+/*!
+\brief Draw filled trigon (triangle) with alpha blending.
+
+Note: Creates vertex array and uses aapolygon routine to render.
+
+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point of the filled trigon.
+\param y1 Y coordinate of the first point of the filled trigon.
+\param x2 X coordinate of the second point of the filled trigon.
+\param y2 Y coordinate of the second point of the filled trigon.
+\param x3 X coordinate of the third point of the filled trigon.
+\param y3 Y coordinate of the third point of the filled trigon.
+\param r The red value of the filled trigon to draw. 
+\param g The green value of the filled trigon to draw. 
+\param b The blue value of the filled trigon to draw. 
+\param a The alpha value of the filled trigon to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledTrigonRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
+	Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	Sint16 vx[3]; 
+	Sint16 vy[3];
+
+	vx[0]=x1;
+	vx[1]=x2;
+	vx[2]=x3;
+	vy[0]=y1;
+	vy[1]=y2;
+	vy[2]=y3;
+
+	return(filledPolygonRGBA(renderer,vx,vy,3,r,g,b,a));
+}
+
+/* ---- Polygon */
+
+/*!
+\brief Draw polygon with alpha blending.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the polygon.
+\param vy Vertex array containing Y coordinates of the points of the polygon.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param color The color value of the polygon to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int polygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return polygonRGBA(renderer, vx, vy, n, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw polygon with the currently set color and blend mode.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the polygon.
+\param vy Vertex array containing Y coordinates of the points of the polygon.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param r The red value of the polygon to draw. 
+\param g The green value of the polygon to draw. 
+\param b The blue value of the polygon to draw. 
+\param a The alpha value of the polygon to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int polygon(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n)
+{
+	/*
+	* Draw 
+	*/
+	int result;
+	int i, nn;
+	SDL_Point* points;
+
+	/*
+	* Vertex array NULL check 
+	*/
+	if (vx == NULL) {
+		return (-1);
+	}
+	if (vy == NULL) {
+		return (-1);
+	}
+
+	/*
+	* Sanity check 
+	*/
+	if (n < 3) {
+		return (-1);
+	}
+
+	/*
+	* Create array of points
+	*/
+	nn = n + 1;
+	points = (SDL_Point*)malloc(sizeof(SDL_Point) * nn);
+	if (points == NULL)
+	{
+		return -1;
+	}
+	for (i=0; i<n; i++)
+	{
+		points[i].x = vx[i];
+		points[i].y = vy[i];
+	}
+	points[n].x = vx[0];
+	points[n].y = vy[0];
+
+	/*
+	* Draw 
+	*/
+	result |= SDL_RenderDrawLines(renderer, points, nn);
+	free(points);
+
+	return (result);
+}
+
+/*!
+\brief Draw polygon with alpha blending.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the polygon.
+\param vy Vertex array containing Y coordinates of the points of the polygon.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param r The red value of the polygon to draw. 
+\param g The green value of the polygon to draw. 
+\param b The blue value of the polygon to draw. 
+\param a The alpha value of the polygon to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int polygonRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	/*
+	* Draw 
+	*/
+	int result;
+	const Sint16 *x1, *y1, *x2, *y2;
+
+	/*
+	* Vertex array NULL check 
+	*/
+	if (vx == NULL) {
+		return (-1);
+	}
+	if (vy == NULL) {
+		return (-1);
+	}
+
+	/*
+	* Sanity check 
+	*/
+	if (n < 3) {
+		return (-1);
+	}
+
+	/*
+	* Pointer setup 
+	*/
+	x1 = x2 = vx;
+	y1 = y2 = vy;
+	x2++;
+	y2++;
+
+	/*
+	* Set color 
+	*/
+	result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);	
+
+	/*
+	* Draw 
+	*/
+	result |= polygon(renderer, vx, vy, n);
+
+	return (result);
+}
+
+/* ---- AA-Polygon */
+
+/*!
+\brief Draw anti-aliased polygon with alpha blending.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the aa-polygon.
+\param vy Vertex array containing Y coordinates of the points of the aa-polygon.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param color The color value of the aa-polygon to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aapolygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return aapolygonRGBA(renderer, vx, vy, n, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw anti-aliased polygon with alpha blending.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the aa-polygon.
+\param vy Vertex array containing Y coordinates of the points of the aa-polygon.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param r The red value of the aa-polygon to draw. 
+\param g The green value of the aa-polygon to draw. 
+\param b The blue value of the aa-polygon to draw. 
+\param a The alpha value of the aa-polygon to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int aapolygonRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;
+	int i;
+	const Sint16 *x1, *y1, *x2, *y2;
+
+	/*
+	* Vertex array NULL check 
+	*/
+	if (vx == NULL) {
+		return (-1);
+	}
+	if (vy == NULL) {
+		return (-1);
+	}
+
+	/*
+	* Sanity check 
+	*/
+	if (n < 3) {
+		return (-1);
+	}
+
+	/*
+	* Pointer setup 
+	*/
+	x1 = x2 = vx;
+	y1 = y2 = vy;
+	x2++;
+	y2++;
+
+	/*
+	* Draw 
+	*/
+	result = 0;
+	for (i = 1; i < n; i++) {
+		result |= _aalineRGBA(renderer, *x1, *y1, *x2, *y2, r, g, b, a, 0);
+		x1 = x2;
+		y1 = y2;
+		x2++;
+		y2++;
+	}
+
+	result |= _aalineRGBA(renderer, *x1, *y1, *vx, *vy, r, g, b, a, 0);
+
+	return (result);
+}
+
+/* ---- Filled Polygon */
+

+/*!

+\brief Internal helper qsort callback functions used in filled polygon drawing.

+

+\param a The surface to draw on.

+\param b Vertex array containing X coordinates of the points of the polygon.

+

+\returns Returns 0 if a==b, a negative number if a<b or a positive number if a>b.

+*/

+int _gfxPrimitivesCompareInt(const void *a, const void *b)

+{

+	return (*(const int *) a) - (*(const int *) b);

+}

+

+/*!

+\brief Global vertex array to use if optional parameters are not given in filledPolygonMT calls.

+

+Note: Used for non-multithreaded (default) operation of filledPolygonMT.

+*/

+static int *gfxPrimitivesPolyIntsGlobal = NULL;

+

+/*!

+\brief Flag indicating if global vertex array was already allocated.

+

+Note: Used for non-multithreaded (default) operation of filledPolygonMT.

+*/

+static int gfxPrimitivesPolyAllocatedGlobal = 0;

+

+/*!

+\brief Draw filled polygon with alpha blending (multi-threaded capable).

+

+Note: The last two parameters are optional; but are required for multithreaded operation.  

+

+\param dst The surface to draw on.

+\param vx Vertex array containing X coordinates of the points of the filled polygon.

+\param vy Vertex array containing Y coordinates of the points of the filled polygon.

+\param n Number of points in the vertex array. Minimum number is 3.

+\param r The red value of the filled polygon to draw. 
+\param g The green value of the filled polygon to draw. 
+\param b The blue value of the filled polygon to draw. 
+\param a The alpha value of the filled polygon to draw.
+\param polyInts Preallocated, temporary vertex array used for sorting vertices. Required for multithreaded operation; set to NULL otherwise.

+\param polyAllocated Flag indicating if temporary vertex array was allocated. Required for multithreaded operation; set to NULL otherwise.

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int filledPolygonRGBAMT(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a, int **polyInts, int *polyAllocated)

+{

+	int result;

+	int i;

+	int y, xa, xb;

+	int miny, maxy;

+	int x1, y1;

+	int x2, y2;

+	int ind1, ind2;

+	int ints;

+	int *gfxPrimitivesPolyInts = NULL;

+	int *gfxPrimitivesPolyIntsNew = NULL;

+	int gfxPrimitivesPolyAllocated = 0;

+

+	/*

+	* Vertex array NULL check 

+	*/

+	if (vx == NULL) {

+		return (-1);

+	}

+	if (vy == NULL) {

+		return (-1);

+	}

+

+	/*

+	* Sanity check number of edges

+	*/

+	if (n < 3) {

+		return -1;

+	}

+

+	/*

+	* Map polygon cache  

+	*/

+	if ((polyInts==NULL) || (polyAllocated==NULL)) {

+		/* Use global cache */

+		gfxPrimitivesPolyInts = gfxPrimitivesPolyIntsGlobal;

+		gfxPrimitivesPolyAllocated = gfxPrimitivesPolyAllocatedGlobal;

+	} else {

+		/* Use local cache */

+		gfxPrimitivesPolyInts = *polyInts;

+		gfxPrimitivesPolyAllocated = *polyAllocated;

+	}

+

+	/*

+	* Allocate temp array, only grow array 

+	*/

+	if (!gfxPrimitivesPolyAllocated) {

+		gfxPrimitivesPolyInts = (int *) malloc(sizeof(int) * n);

+		gfxPrimitivesPolyAllocated = n;

+	} else {

+		if (gfxPrimitivesPolyAllocated < n) {

+			gfxPrimitivesPolyIntsNew = (int *) realloc(gfxPrimitivesPolyInts, sizeof(int) * n);

+			if (!gfxPrimitivesPolyIntsNew) {

+				if (!gfxPrimitivesPolyInts) {

+					free(gfxPrimitivesPolyInts);

+					gfxPrimitivesPolyInts = NULL;

+				}

+				gfxPrimitivesPolyAllocated = 0;

+			} else {

+				gfxPrimitivesPolyInts = gfxPrimitivesPolyIntsNew;

+				gfxPrimitivesPolyAllocated = n;

+			}

+		}

+	}

+

+	/*

+	* Check temp array

+	*/

+	if (gfxPrimitivesPolyInts==NULL) {        

+		gfxPrimitivesPolyAllocated = 0;

+	}

+

+	/*

+	* Update cache variables

+	*/

+	if ((polyInts==NULL) || (polyAllocated==NULL)) { 

+		gfxPrimitivesPolyIntsGlobal =  gfxPrimitivesPolyInts;

+		gfxPrimitivesPolyAllocatedGlobal = gfxPrimitivesPolyAllocated;

+	} else {

+		*polyInts = gfxPrimitivesPolyInts;

+		*polyAllocated = gfxPrimitivesPolyAllocated;

+	}

+

+	/*

+	* Check temp array again

+	*/

+	if (gfxPrimitivesPolyInts==NULL) {        

+		return(-1);

+	}

+

+	/*

+	* Determine Y maxima 

+	*/

+	miny = vy[0];

+	maxy = vy[0];

+	for (i = 1; (i < n); i++) {

+		if (vy[i] < miny) {

+			miny = vy[i];

+		} else if (vy[i] > maxy) {

+			maxy = vy[i];

+		}

+	}

+

+	/*

+	* Draw, scanning y 

+	*/

+	result = 0;

+	for (y = miny; (y <= maxy); y++) {

+		ints = 0;

+		for (i = 0; (i < n); i++) {

+			if (!i) {

+				ind1 = n - 1;

+				ind2 = 0;

+			} else {

+				ind1 = i - 1;

+				ind2 = i;

+			}

+			y1 = vy[ind1];

+			y2 = vy[ind2];

+			if (y1 < y2) {

+				x1 = vx[ind1];

+				x2 = vx[ind2];

+			} else if (y1 > y2) {

+				y2 = vy[ind1];

+				y1 = vy[ind2];

+				x2 = vx[ind1];

+				x1 = vx[ind2];

+			} else {

+				continue;

+			}

+			if ( ((y >= y1) && (y < y2)) || ((y == maxy) && (y > y1) && (y <= y2)) ) {

+				gfxPrimitivesPolyInts[ints++] = ((65536 * (y - y1)) / (y2 - y1)) * (x2 - x1) + (65536 * x1);

+			} 	    

+		}

+

+		qsort(gfxPrimitivesPolyInts, ints, sizeof(int), _gfxPrimitivesCompareInt);

+

+		/*
+		* Set color 
+		*/
+		result = 0;
+	    result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+		result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);	
+

+		for (i = 0; (i < ints); i += 2) {

+			xa = gfxPrimitivesPolyInts[i] + 1;

+			xa = (xa >> 16) + ((xa & 32768) >> 15);

+			xb = gfxPrimitivesPolyInts[i+1] - 1;

+			xb = (xb >> 16) + ((xb & 32768) >> 15);

+			result |= hline(renderer, xa, xb, y);

+		}

+	}

+

+	return (result);

+}

+
+/*!
+\brief Draw filled polygon with alpha blending.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the filled polygon.
+\param vy Vertex array containing Y coordinates of the points of the filled polygon.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param color The color value of the filled polygon to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledPolygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return filledPolygonRGBAMT(renderer, vx, vy, n, c[0], c[1], c[2], c[3], NULL, NULL);
+}
+
+/*!
+\brief Draw filled polygon with alpha blending.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the filled polygon.
+\param vy Vertex array containing Y coordinates of the points of the filled polygon.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param r The red value of the filled polygon to draw. 
+\param g The green value of the filled polygon to draw. 
+\param b The blue value of the filed polygon to draw. 
+\param a The alpha value of the filled polygon to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int filledPolygonRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	return filledPolygonRGBAMT(renderer, vx, vy, n, r, g, b, a, NULL, NULL);
+}
+
+/* ---- Textured Polygon */

+
+/*!

+\brief Internal function to draw a textured horizontal line.

+

+\param renderer The renderer to draw on.
+\param x1 X coordinate of the first point (i.e. left) of the line.

+\param x2 X coordinate of the second point (i.e. right) of the line.

+\param y Y coordinate of the points of the line.

+\param texture The texture to retrieve color information from.

+\param texture_w The width of the texture.

+\param texture_h The height of the texture.

+\param texture_dx The X offset for the texture lookup.

+\param texture_dy The Y offset for the textured lookup.

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int _HLineTextured(SDL_Renderer *renderer, Sint16 x1, Sint16 x2, Sint16 y, SDL_Texture *texture, int texture_w, int texture_h, int texture_dx, int texture_dy)

+{

+	Sint16 w;

+	Sint16 xtmp;

+	int result = 0;

+	int texture_x_walker;    

+	int texture_y_start;    

+	SDL_Rect source_rect,dst_rect;

+	int pixels_written,write_width;

+

+	/*

+	* Swap x1, x2 if required to ensure x1<=x2

+	*/

+	if (x1 > x2) {

+		xtmp = x1;

+		x1 = x2;

+		x2 = xtmp;

+	}

+

+	/*

+	* Calculate width to draw

+	*/

+	w = x2 - x1 + 1;

+

+	/*

+	* Determine where in the texture we start drawing

+	*/

+	texture_x_walker =   (x1 - texture_dx)  % texture_w;

+	if (texture_x_walker < 0){

+		texture_x_walker = texture_w + texture_x_walker ;

+	}

+

+	texture_y_start = (y + texture_dy) % texture_h;

+	if (texture_y_start < 0){

+		texture_y_start = texture_h + texture_y_start;

+	}

+

+	// setup the source rectangle; we are only drawing one horizontal line

+	source_rect.y = texture_y_start;

+	source_rect.x = texture_x_walker;

+	source_rect.h = 1;

+

+	// we will draw to the current y

+	dst_rect.y = y;

+

+	// if there are enough pixels left in the current row of the texture

+	// draw it all at once

+	if (w <= texture_w -texture_x_walker){

+		source_rect.w = w;

+		source_rect.x = texture_x_walker;

+		dst_rect.x= x1;

+		result = (SDL_RenderCopy(renderer, texture, &source_rect ,&dst_rect) == 0);

+	} else { // we need to draw multiple times

+		// draw the first segment

+		pixels_written = texture_w  - texture_x_walker;

+		source_rect.w = pixels_written;

+		source_rect.x = texture_x_walker;

+		dst_rect.x= x1;

+		result |= (SDL_RenderCopy(renderer, texture, &source_rect , &dst_rect) == 0);

+		write_width = texture_w;

+

+		// now draw the rest

+		// set the source x to 0

+		source_rect.x = 0;

+		while (pixels_written < w){

+			if (write_width >= w - pixels_written) {

+				write_width =  w - pixels_written;

+			}

+			source_rect.w = write_width;

+			dst_rect.x = x1 + pixels_written;

+			result  |= (SDL_RenderCopy(renderer,texture,&source_rect , &dst_rect) == 0);

+			pixels_written += write_width;

+		}

+	}

+

+	return result;

+}

+

+/*!

+\brief Draws a polygon filled with the given texture (Multi-Threading Capable). 

+

+\param renderer The renderer to draw on.
+\param vx array of x vector components

+\param vy array of x vector components

+\param n the amount of vectors in the vx and vy array

+\param texture the sdl surface to use to fill the polygon

+\param texture_dx the offset of the texture relative to the screeen. If you move the polygon 10 pixels 

+to the left and want the texture to apear the same you need to increase the texture_dx value

+\param texture_dy see texture_dx

+\param polyInts Preallocated temp array storage for vertex sorting (used for multi-threaded operation)

+\param polyAllocated Flag indicating oif the temp array was allocated (used for multi-threaded operation)

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int texturedPolygonMT(SDL_Renderer *renderer, const Sint16 * vx, const Sint16 * vy, int n, 

+	SDL_Surface * texture, int texture_dx, int texture_dy, int **polyInts, int *polyAllocated)

+{

+	int result;

+	int i;

+	int y, xa, xb;

+	int minx,maxx,miny, maxy;

+	int x1, y1;

+	int x2, y2;

+	int ind1, ind2;

+	int ints;

+	int *gfxPrimitivesPolyInts = NULL;

+	int gfxPrimitivesPolyAllocated = 0;

+	SDL_Texture *textureAsTexture;

+

+	/*

+	* Sanity check number of edges

+	*/

+	if (n < 3) {

+		return -1;

+	}

+

+	/*

+	* Map polygon cache  

+	*/

+	if ((polyInts==NULL) || (polyAllocated==NULL)) {

+		/* Use global cache */

+		gfxPrimitivesPolyInts = gfxPrimitivesPolyIntsGlobal;

+		gfxPrimitivesPolyAllocated = gfxPrimitivesPolyAllocatedGlobal;

+	} else {

+		/* Use local cache */

+		gfxPrimitivesPolyInts = *polyInts;

+		gfxPrimitivesPolyAllocated = *polyAllocated;

+	}

+

+	/*

+	* Allocate temp array, only grow array 

+	*/

+	if (!gfxPrimitivesPolyAllocated) {

+		gfxPrimitivesPolyInts = (int *) malloc(sizeof(int) * n);

+		gfxPrimitivesPolyAllocated = n;

+	} else {

+		if (gfxPrimitivesPolyAllocated < n) {

+			gfxPrimitivesPolyInts = (int *) realloc(gfxPrimitivesPolyInts, sizeof(int) * n);

+			gfxPrimitivesPolyAllocated = n;

+		}

+	}

+

+	/*

+	* Check temp array

+	*/

+	if (gfxPrimitivesPolyInts==NULL) {        

+		gfxPrimitivesPolyAllocated = 0;

+	}

+

+	/*

+	* Update cache variables

+	*/

+	if ((polyInts==NULL) || (polyAllocated==NULL)) { 

+		gfxPrimitivesPolyIntsGlobal =  gfxPrimitivesPolyInts;

+		gfxPrimitivesPolyAllocatedGlobal = gfxPrimitivesPolyAllocated;

+	} else {

+		*polyInts = gfxPrimitivesPolyInts;

+		*polyAllocated = gfxPrimitivesPolyAllocated;

+	}

+

+	/*

+	* Check temp array again

+	*/

+	if (gfxPrimitivesPolyInts==NULL) {        

+		return(-1);

+	}

+

+	/*

+	* Determine X,Y minima,maxima 

+	*/

+	miny = vy[0];

+	maxy = vy[0];

+	minx = vx[0];

+	maxx = vx[0];

+	for (i = 1; (i < n); i++) {

+		if (vy[i] < miny) {

+			miny = vy[i];

+		} else if (vy[i] > maxy) {

+			maxy = vy[i];

+		}

+		if (vx[i] < minx) {

+			minx = vx[i];

+		} else if (vx[i] > maxx) {

+			maxx = vx[i];

+		}

+	}

+

+	/*

+	* Draw, scanning y 

+	*/

+	result = 0;

+	for (y = miny; (y <= maxy); y++) {

+		ints = 0;

+		for (i = 0; (i < n); i++) {

+			if (!i) {

+				ind1 = n - 1;

+				ind2 = 0;

+			} else {

+				ind1 = i - 1;

+				ind2 = i;

+			}

+			y1 = vy[ind1];

+			y2 = vy[ind2];

+			if (y1 < y2) {

+				x1 = vx[ind1];

+				x2 = vx[ind2];

+			} else if (y1 > y2) {

+				y2 = vy[ind1];

+				y1 = vy[ind2];

+				x2 = vx[ind1];

+				x1 = vx[ind2];

+			} else {

+				continue;

+			}

+			if ( ((y >= y1) && (y < y2)) || ((y == maxy) && (y > y1) && (y <= y2)) ) {

+				gfxPrimitivesPolyInts[ints++] = ((65536 * (y - y1)) / (y2 - y1)) * (x2 - x1) + (65536 * x1);

+			} 

+		}

+

+		qsort(gfxPrimitivesPolyInts, ints, sizeof(int), _gfxPrimitivesCompareInt);

+

+		textureAsTexture = SDL_CreateTextureFromSurface(renderer, texture);

+		if (textureAsTexture == NULL)

+		{

+			return (-1);

+		}

+

+		for (i = 0; (i < ints); i += 2) {

+			xa = gfxPrimitivesPolyInts[i] + 1;

+			xa = (xa >> 16) + ((xa & 32768) >> 15);

+			xb = gfxPrimitivesPolyInts[i+1] - 1;

+			xb = (xb >> 16) + ((xb & 32768) >> 15);

+			result |= _HLineTextured(renderer, xa, xb, y, textureAsTexture, texture->w, texture->h, texture_dx, texture_dy);

+		}

+		SDL_DestroyTexture(textureAsTexture);

+	}

+

+	return (result);

+}

+

+/*!

+\brief Draws a polygon filled with the given texture. 

+

+This standard version is calling multithreaded versions with NULL cache parameters.

+

+\param renderer The renderer to draw on.
+\param vx array of x vector components

+\param vy array of x vector components

+\param n the amount of vectors in the vx and vy array

+\param texture the sdl surface to use to fill the polygon

+\param texture_dx the offset of the texture relative to the screeen. if you move the polygon 10 pixels 

+to the left and want the texture to apear the same you need to increase the texture_dx value

+\param texture_dy see texture_dx

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int texturedPolygon(SDL_Renderer *renderer, const Sint16 * vx, const Sint16 * vy, int n, SDL_Surface *texture, int texture_dx, int texture_dy)

+{

+	/*

+	* Draw

+	*/

+	return (texturedPolygonMT(renderer, vx, vy, n, texture, texture_dx, texture_dy, NULL, NULL));

+}
+
+/* ---- Character */

+

+/*!

+\brief Global cache for NxM pixel font textures created at runtime.

+*/

+static SDL_Texture *gfxPrimitivesFont[256];

+

+/*!

+\brief Pointer to the current font data. Default is a 8x8 pixel internal font. 

+*/

+static const unsigned char *currentFontdata = gfxPrimitivesFontdata;

+

+/*!

+\brief Width of the current font. Default is 8. 

+*/

+static Uint32 charWidth = 8;

+

+/*!

+\brief Height of the current font. Default is 8. 

+*/

+static Uint32 charHeight = 8;

+

+/*!

+\brief Width for rendering. Autocalculated.

+*/

+static Uint32 charWidthLocal = 8;

+

+/*!

+\brief Height for rendering. Autocalculated.

+*/

+static Uint32 charHeightLocal = 8;

+

+/*!

+\brief Pitch of the current font in bytes. Default is 1. 

+*/

+static Uint32 charPitch = 1;

+

+/*!

+\brief Characters 90deg clockwise rotations. Default is 0. Max is 3. 

+*/

+static Uint32 charRotation = 0;

+

+/*!

+\brief Character data size in bytes of the current font. Default is 8. 

+*/

+static Uint32 charSize = 8;

+

+/*!

+\brief Sets or resets the current global font data.

+

+The font data array is organized in follows: 

+[fontdata] = [character 0][character 1]...[character 255] where

+[character n] = [byte 1 row 1][byte 2 row 1]...[byte {pitch} row 1][byte 1 row 2] ...[byte {pitch} row height] where

+[byte n] = [bit 0]...[bit 7] where 

+[bit n] = [0 for transparent pixel|1 for colored pixel]

+

+\param fontdata Pointer to array of font data. Set to NULL, to reset global font to the default 8x8 font.

+\param cw Width of character in bytes. Ignored if fontdata==NULL.

+\param ch Height of character in bytes. Ignored if fontdata==NULL.

+*/

+void gfxPrimitivesSetFont(const void *fontdata, Uint32 cw, Uint32 ch)

+{

+	int i;

+

+	if ((fontdata) && (cw) && (ch)) {

+		currentFontdata = (unsigned char *)fontdata;

+		charWidth = cw;

+		charHeight = ch;

+	} else {

+		currentFontdata = gfxPrimitivesFontdata;

+		charWidth = 8;

+		charHeight = 8;

+	}

+

+	charPitch = (charWidth+7)/8;

+	charSize = charPitch * charHeight;

+

+	/* Maybe flip width/height for rendering */

+	if ((charRotation==1) || (charRotation==3))

+	{

+		charWidthLocal = charHeight;

+		charHeightLocal = charWidth;

+	}

+	else

+	{

+		charWidthLocal = charWidth;

+		charHeightLocal = charHeight;

+	}

+

+	/* Clear character cache */

+	for (i = 0; i < 256; i++) {

+		if (gfxPrimitivesFont[i]) {

+			SDL_DestroyTexture(gfxPrimitivesFont[i]);

+			gfxPrimitivesFont[i] = NULL;

+		}

+	}

+}

+

+/*!

+\brief Sets current global font character rotation steps. 

+

+Default is 0 (no rotation). 1 = 90deg clockwise. 2 = 180deg clockwise. 3 = 270deg clockwise.

+Changing the rotation, will reset the character cache.

+

+\param rotation Number of 90deg clockwise steps to rotate

+*/

+void gfxPrimitivesSetFontRotation(Uint32 rotation)

+{

+	int i;

+

+	rotation = rotation & 3;

+	if (charRotation != rotation)

+	{

+		/* Store rotation */

+		charRotation = rotation;

+

+		/* Maybe flip width/height for rendering */

+		if ((charRotation==1) || (charRotation==3))

+		{

+			charWidthLocal = charHeight;

+			charHeightLocal = charWidth;

+		}

+		else

+		{

+			charWidthLocal = charWidth;

+			charHeightLocal = charHeight;

+		}

+

+		/* Clear character cache */

+		for (i = 0; i < 256; i++) {

+			if (gfxPrimitivesFont[i]) {

+				SDL_DestroyTexture(gfxPrimitivesFont[i]);

+				gfxPrimitivesFont[i] = NULL;

+			}

+		}

+	}

+}

+

+/*!

+\brief Draw a character of the currently set font.

+

+\param dst The surface to draw on.

+\param x X (horizontal) coordinate of the upper left corner of the character.

+\param y Y (vertical) coordinate of the upper left corner of the character.

+\param c The character to draw.

+\param r The red value of the character to draw. 

+\param g The green value of the character to draw. 

+\param b The blue value of the character to draw. 

+\param a The alpha value of the character to draw.

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int characterRGBA(SDL_Renderer *renderer, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

+{

+	SDL_Rect srect;

+	SDL_Rect drect;

+	int result;

+	Uint32 ix, iy;

+	const unsigned char *charpos;

+	Uint8 *curpos;

+	Uint8 patt, mask;

+	Uint8 *linepos;

+	Uint32 pitch;

+	SDL_Surface *character;

+	SDL_Surface *rotatedCharacter;

+	Uint32 ci;

+

+	/*

+	* Setup source rectangle

+	*/

+	srect.x = 0;

+	srect.y = 0;

+	srect.w = charWidthLocal;

+	srect.h = charHeightLocal;

+

+	/*

+	* Setup destination rectangle

+	*/

+	drect.x = x;

+	drect.y = y;

+	drect.w = charWidthLocal;

+	drect.h = charHeightLocal;

+

+	/* Character index in cache */

+	ci = (unsigned char) c;

+

+	/*

+	* Create new charWidth x charHeight bitmap surface if not already present.

+	* Might get rotated later.

+	*/

+	if (gfxPrimitivesFont[ci] == NULL) {

+		/*

+		* Redraw character into surface

+		*/

+		character =	SDL_CreateRGBSurface(SDL_SWSURFACE,

+			charWidth, charHeight, 32,

+			0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF);

+		if (character == NULL) {

+			return (-1);

+		}

+

+		charpos = currentFontdata + ci * charSize;

+				linepos = (Uint8 *)character->pixels;

+		pitch = character->pitch;

+

+		/*

+		* Drawing loop 

+		*/

+		patt = 0;

+		for (iy = 0; iy < charHeight; iy++) {

+			mask = 0x00;

+			curpos = linepos;

+			for (ix = 0; ix < charWidth; ix++) {

+				if (!(mask >>= 1)) {

+					patt = *charpos++;

+					mask = 0x80;

+				}

+				if (patt & mask) {

+					*(Uint32 *)curpos = 0xffffffff;

+				} else {

+					*(Uint32 *)curpos = 0;

+				}

+				curpos += 4;

+			}

+			linepos += pitch;

+		}

+

+		/* Maybe rotate and replace cached image */

+		if (charRotation>0)

+		{

+			rotatedCharacter = rotateSurface90Degrees(character, charRotation);

+			SDL_FreeSurface(character);

+			character = rotatedCharacter;

+		}

+

+		/* Convert temp surface into texture */

+		gfxPrimitivesFont[ci] = SDL_CreateTextureFromSurface(renderer, character);

+		SDL_FreeSurface(character);

+

+		/*

+		* Check pointer 

+		*/

+		if (gfxPrimitivesFont[ci] == NULL) {

+			return (-1);

+		}

+	}

+

+	/*
+	* Set color 
+	*/
+	result = 0;
+	result |= SDL_SetTextureColorMod(gfxPrimitivesFont[ci], r, g, b);
+	result |= SDL_SetTextureAlphaMod(gfxPrimitivesFont[ci], a);
+

+	/*

+	* Draw texture onto destination 

+	*/

+	result |= SDL_RenderCopy(renderer, gfxPrimitivesFont[ci], &srect, &drect);

+

+	return (result);

+}

+
+
+/*!
+\brief Draw a character of the currently set font.
+
+\param renderer The renderer to draw on.
+\param x X (horizontal) coordinate of the upper left corner of the character.
+\param y Y (vertical) coordinate of the upper left corner of the character.
+\param c The character to draw.
+\param color The color value of the character to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int characterColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, char c, Uint32 color)
+{
+	Uint8 *co = (Uint8 *)&color; 
+	return characterRGBA(renderer, x, y, c, co[0], co[1], co[2], co[3]);
+}
+
+
+/*!
+\brief Draw a string in the currently set font.
+
+The spacing between consequtive characters in the string is the fixed number of pixels 
+of the character width of the current global font.
+
+\param renderer The renderer to draw on.
+\param x X (horizontal) coordinate of the upper left corner of the string.
+\param y Y (vertical) coordinate of the upper left corner of the string.
+\param s The string to draw.
+\param color The color value of the string to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int stringColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, const char *s, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return stringRGBA(renderer, x, y, s, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw a string in the currently set font.
+
+\param renderer The renderer to draw on.
+\param x X (horizontal) coordinate of the upper left corner of the string.
+\param y Y (vertical) coordinate of the upper left corner of the string.
+\param s The string to draw.
+\param r The red value of the string to draw. 
+\param g The green value of the string to draw. 
+\param b The blue value of the string to draw. 
+\param a The alpha value of the string to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int stringRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, const char *s, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result = 0;
+	Sint16 curx = x;
+	Sint16 cury = y;
+	const char *curchar = s;
+
+	while (*curchar && !result) {
+		result |= characterRGBA(renderer, curx, cury, *curchar, r, g, b, a);
+		switch (charRotation)
+		{
+		case 0:
+			curx += charWidthLocal;
+			break;
+		case 2:
+			curx -= charWidthLocal;
+			break;
+		case 1:
+			cury += charHeightLocal;
+			break;
+		case 3:
+			cury -= charHeightLocal;
+			break;
+		}
+		curchar++;
+	}
+
+	return (result);
+}
+
+/* ---- Bezier curve */
+
+/*!
+\brief Internal function to calculate bezier interpolator of data array with ndata values at position 't'.
+
+\param data Array of values.
+\param ndata Size of array.
+\param t Position for which to calculate interpolated value. t should be between [0, ndata].
+
+\returns Interpolated value at position t, value[0] when t<0, value[n-1] when t>n.
+*/
+double _evaluateBezier (double *data, int ndata, double t) 
+{
+	double mu, result;
+	int n,k,kn,nn,nkn;
+	double blend,muk,munk;
+
+	/* Sanity check bounds */
+	if (t<0.0) {
+		return(data[0]);
+	}
+	if (t>=(double)ndata) {
+		return(data[ndata-1]);
+	}
+
+	/* Adjust t to the range 0.0 to 1.0 */ 
+	mu=t/(double)ndata;
+
+	/* Calculate interpolate */
+	n=ndata-1;
+	result=0.0;
+	muk = 1;
+	munk = pow(1-mu,(double)n);
+	for (k=0;k<=n;k++) {
+		nn = n;
+		kn = k;
+		nkn = n - k;
+		blend = muk * munk;
+		muk *= mu;
+		munk /= (1-mu);
+		while (nn >= 1) {
+			blend *= nn;
+			nn--;
+			if (kn > 1) {
+				blend /= (double)kn;
+				kn--;
+			}
+			if (nkn > 1) {
+				blend /= (double)nkn;
+				nkn--;
+			}
+		}
+		result += data[k] * blend;
+	}
+
+	return (result);
+}
+
+/*!
+\brief Draw a bezier curve with alpha blending.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the bezier curve.
+\param vy Vertex array containing Y coordinates of the points of the bezier curve.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param s Number of steps for the interpolation. Minimum number is 2.
+\param color The color value of the bezier curve to draw (0xRRGGBBAA). 
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int bezierColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, int s, Uint32 color)
+{
+	Uint8 *c = (Uint8 *)&color; 
+	return bezierRGBA(renderer, vx, vy, n, s, c[0], c[1], c[2], c[3]);
+}
+
+/*!
+\brief Draw a bezier curve with alpha blending.
+
+\param renderer The renderer to draw on.
+\param vx Vertex array containing X coordinates of the points of the bezier curve.
+\param vy Vertex array containing Y coordinates of the points of the bezier curve.
+\param n Number of points in the vertex array. Minimum number is 3.
+\param s Number of steps for the interpolation. Minimum number is 2.
+\param r The red value of the bezier curve to draw. 
+\param g The green value of the bezier curve to draw. 
+\param b The blue value of the bezier curve to draw. 
+\param a The alpha value of the bezier curve to draw.
+
+\returns Returns 0 on success, -1 on failure.
+*/
+int bezierRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+	int result;
+	int i;
+	double *x, *y, t, stepsize;
+	Sint16 x1, y1, x2, y2;
+
+	/*
+	* Sanity check 
+	*/
+	if (n < 3) {
+		return (-1);
+	}
+	if (s < 2) {
+		return (-1);
+	}
+
+	/*
+	* Variable setup 
+	*/
+	stepsize=(double)1.0/(double)s;
+
+	/* Transfer vertices into float arrays */
+	if ((x=(double *)malloc(sizeof(double)*(n+1)))==NULL) {
+		return(-1);
+	}
+	if ((y=(double *)malloc(sizeof(double)*(n+1)))==NULL) {
+		free(x);
+		return(-1);
+	}    
+	for (i=0; i<n; i++) {
+		x[i]=(double)vx[i];
+		y[i]=(double)vy[i];
+	}      
+	x[n]=(double)vx[0];
+	y[n]=(double)vy[0];
+
+	/*
+	* Set color 
+	*/
+	result = 0;
+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);
+
+	/*
+	* Draw 
+	*/
+	t=0.0;
+	x1=(Sint16)lrint(_evaluateBezier(x,n+1,t));
+	y1=(Sint16)lrint(_evaluateBezier(y,n+1,t));
+	for (i = 0; i <= (n*s); i++) {
+		t += stepsize;
+		x2=(Sint16)_evaluateBezier(x,n,t);
+		y2=(Sint16)_evaluateBezier(y,n,t);
+		result |= line(renderer, x1, y1, x2, y2);
+		x1 = x2;
+		y1 = y2;
+	}
+
+	/* Clean up temporary array */
+	free(x);
+	free(y);
+
+	return (result);
+}
+
+
+/* ---- Thick Line */
+

+/*!

+\brief Internal function to initialize the Bresenham line iterator.

+

+Example of use:

+SDL2_gfxBresenhamIterator b;

+_bresenhamInitialize (&b, x1, y1, x2, y2);

+do { 

+plot(b.x, b.y); 

+} while (_bresenhamIterate(&b)==0); 

+

+\param b Pointer to struct for bresenham line drawing state.

+\param x1 X coordinate of the first point of the line.

+\param y1 Y coordinate of the first point of the line.

+\param x2 X coordinate of the second point of the line.

+\param y2 Y coordinate of the second point of the line.

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int _bresenhamInitialize(SDL2_gfxBresenhamIterator *b, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2)

+{

+	int temp;

+

+	if (b==NULL) {

+		return(-1);

+	}

+

+	b->x = x1;

+	b->y = y1;

+

+	/* dx = abs(x2-x1), s1 = sign(x2-x1) */

+	if ((b->dx = x2 - x1) != 0) {

+		if (b->dx < 0) {

+			b->dx = -b->dx;

+			b->s1 = -1;

+		} else {

+			b->s1 = 1;

+		}

+	} else {

+		b->s1 = 0;	

+	}

+

+	/* dy = abs(y2-y1), s2 = sign(y2-y1)    */

+	if ((b->dy = y2 - y1) != 0) {

+		if (b->dy < 0) {

+			b->dy = -b->dy;

+			b->s2 = -1;

+		} else {

+			b->s2 = 1;

+		}

+	} else {

+		b->s2 = 0;	

+	}

+

+	if (b->dy > b->dx) {

+		temp = b->dx;

+		b->dx = b->dy;

+		b->dy = temp;

+		b->swapdir = 1;

+	} else {

+		b->swapdir = 0;

+	}

+

+	b->count = (b->dx<0) ? 0 : (unsigned int)b->dx;

+	b->dy <<= 1;

+	b->error = b->dy - b->dx;

+	b->dx <<= 1;	

+

+	return(0);

+}

+

+

+/*!

+\brief Internal function to move Bresenham line iterator to the next position.

+

+Maybe updates the x and y coordinates of the iterator struct.

+

+\param b Pointer to struct for bresenham line drawing state.

+

+\returns Returns 0 on success, 1 if last point was reached, 2 if moving past end-of-line, -1 on failure.

+*/

+int _bresenhamIterate(SDL2_gfxBresenhamIterator *b)

+{	

+	if (b==NULL) {

+		return (-1);

+	}

+

+	/* last point check */

+	if (b->count==0) {

+		return (2);

+	}

+

+	while (b->error >= 0) {

+		if (b->swapdir) {

+			b->x += b->s1;

+		} else  {

+			b->y += b->s2;

+		}

+

+		b->error -= b->dx;

+	}

+

+	if (b->swapdir) {

+		b->y += b->s2;

+	} else {

+		b->x += b->s1;

+	}

+

+	b->error += b->dy;	

+	b->count--;		

+

+	/* count==0 indicates "end-of-line" */

+	return ((b->count) ? 0 : 1);

+}

+

+

+/*!

+\brief Internal function to to draw parallel lines with Murphy algorithm.

+

+\param m Pointer to struct for murphy iterator.

+\param x X coordinate of point.

+\param y Y coordinate of point.

+\param d1 Direction square/diagonal.

+*/

+void _murphyParaline(SDL2_gfxMurphyIterator *m, Sint16 x, Sint16 y, int d1)

+{

+	int p;

+	d1 = -d1;

+

+	for (p = 0; p <= m->u; p++) {

+

+		pixel(m->renderer, x, y);

+

+		if (d1 <= m->kt) {

+			if (m->oct2 == 0) {

+				x++;

+			} else {

+				if (m->quad4 == 0) {

+					y++;

+				} else {

+					y--;

+				}

+			}

+			d1 += m->kv;

+		} else {	

+			x++;

+			if (m->quad4 == 0) {

+				y++;

+			} else {

+				y--;

+			}

+			d1 += m->kd;

+		}

+	}

+

+	m->tempx = x;

+	m->tempy = y;

+}

+

+/*!

+\brief Internal function to to draw one iteration of the Murphy algorithm.

+

+\param m Pointer to struct for murphy iterator.

+\param miter Iteration count.

+\param ml1bx X coordinate of a point.

+\param ml1by Y coordinate of a point.

+\param ml2bx X coordinate of a point.

+\param ml2by Y coordinate of a point.

+\param ml1x X coordinate of a point.

+\param ml1y Y coordinate of a point.

+\param ml2x X coordinate of a point.

+\param ml2y Y coordinate of a point.

+

+*/

+void _murphyIteration(SDL2_gfxMurphyIterator *m, Uint8 miter, 

+	Uint16 ml1bx, Uint16 ml1by, Uint16 ml2bx, Uint16 ml2by, 

+	Uint16 ml1x, Uint16 ml1y, Uint16 ml2x, Uint16 ml2y)

+{

+	int atemp1, atemp2;

+	int ftmp1, ftmp2;

+	Uint16 m1x, m1y, m2x, m2y;	

+	Uint16 fix, fiy, lax, lay, curx, cury;

+	Sint16 px[4], py[4];

+	SDL2_gfxBresenhamIterator b;

+

+	if (miter > 1) {

+		if (m->first1x != -32768) {

+			fix = (m->first1x + m->first2x) / 2;

+			fiy = (m->first1y + m->first2y) / 2;

+			lax = (m->last1x + m->last2x) / 2;

+			lay = (m->last1y + m->last2y) / 2;

+			curx = (ml1x + ml2x) / 2;

+			cury = (ml1y + ml2y) / 2;

+

+			atemp1 = (fix - curx);

+			atemp2 = (fiy - cury);

+			ftmp1 = atemp1 * atemp1 + atemp2 * atemp2;

+			atemp1 = (lax - curx);

+			atemp2 = (lay - cury);

+			ftmp2 = atemp1 * atemp1 + atemp2 * atemp2;

+

+			if (ftmp1 <= ftmp2) {

+				m1x = m->first1x;

+				m1y = m->first1y;

+				m2x = m->first2x;

+				m2y = m->first2y;

+			} else {

+				m1x = m->last1x;

+				m1y = m->last1y;

+				m2x = m->last2x;

+				m2y = m->last2y;

+			}

+

+			atemp1 = (m2x - ml2x);

+			atemp2 = (m2y - ml2y);

+			ftmp1 = atemp1 * atemp1 + atemp2 * atemp2;

+			atemp1 = (m2x - ml2bx);

+			atemp2 = (m2y - ml2by);

+			ftmp2 = atemp1 * atemp1 + atemp2 * atemp2;

+

+			if (ftmp2 >= ftmp1) {

+				ftmp1 = ml2bx;

+				ftmp2 = ml2by;

+				ml2bx = ml2x;

+				ml2by = ml2y;

+				ml2x = ftmp1;

+				ml2y = ftmp2;

+				ftmp1 = ml1bx;

+				ftmp2 = ml1by;

+				ml1bx = ml1x;

+				ml1by = ml1y;

+				ml1x = ftmp1;

+				ml1y = ftmp2;

+			}

+

+			/*

+			* Lock the surface 

+			*/

+			_bresenhamInitialize(&b, m2x, m2y, m1x, m1y);

+			do {

+				pixel(m->renderer, b.x, b.y);

+			} while (_bresenhamIterate(&b)==0);

+

+			_bresenhamInitialize(&b, m1x, m1y, ml1bx, ml1by);

+			do {

+				pixel(m->renderer, b.x, b.y);

+			} while (_bresenhamIterate(&b)==0);

+

+			_bresenhamInitialize(&b, ml1bx, ml1by, ml2bx, ml2by);

+			do {

+				pixel(m->renderer, b.x, b.y);

+			} while (_bresenhamIterate(&b)==0);

+

+			_bresenhamInitialize(&b, ml2bx, ml2by, m2x, m2y);

+			do {

+				pixel(m->renderer, b.x, b.y);

+			} while (_bresenhamIterate(&b)==0);

+

+			px[0] = m1x;

+			px[1] = m2x;

+			px[2] = ml1bx;

+			px[3] = ml2bx;

+			py[0] = m1y;

+			py[1] = m2y;

+			py[2] = ml1by;

+			py[3] = ml2by;			

+			polygon(m->renderer, px, py, 4);						

+		}

+	}

+

+	m->last1x = ml1x;

+	m->last1y = ml1y;

+	m->last2x = ml2x;

+	m->last2y = ml2y;

+	m->first1x = ml1bx;

+	m->first1y = ml1by;

+	m->first2x = ml2bx;

+	m->first2y = ml2by;

+}

+

+

+#define HYPOT(x,y) sqrt((double)(x)*(double)(x)+(double)(y)*(double)(y)) 

+

+/*!

+\brief Internal function to to draw wide lines with Murphy algorithm.

+

+Draws lines parallel to ideal line.

+

+\param m Pointer to struct for murphy iterator.

+\param x1 X coordinate of first point.

+\param y1 Y coordinate of first point.

+\param x2 X coordinate of second point.

+\param y2 Y coordinate of second point.

+\param width Width of line.

+\param miter Iteration count.

+

+*/

+void _murphyWideline(SDL2_gfxMurphyIterator *m, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 width, Uint8 miter)

+{	

+	float offset = (float)width / 2.f;

+

+	Sint16 temp;

+	Sint16 ptx, pty, ptxx, ptxy, ml1x, ml1y, ml2x, ml2y, ml1bx, ml1by, ml2bx, ml2by;

+

+	int d0, d1;		/* difference terms d0=perpendicular to line, d1=along line */

+

+	int q;			/* pel counter,q=perpendicular to line */

+	int tmp;

+

+	int dd;			/* distance along line */

+	int tk;			/* thickness threshold */

+	double ang;		/* angle for initial point calculation */

+	double sang, cang;

+

+	/* Initialisation */

+	m->u = x2 - x1;	/* delta x */

+	m->v = y2 - y1;	/* delta y */

+

+	if (m->u < 0) {	/* swap to make sure we are in quadrants 1 or 4 */

+		temp = x1;

+		x1 = x2;

+		x2 = temp;

+		temp = y1;

+		y1 = y2;

+		y2 = temp;		

+		m->u *= -1;

+		m->v *= -1;

+	}

+

+	if (m->v < 0) {	/* swap to 1st quadrant and flag */

+		m->v *= -1;

+		m->quad4 = 1;

+	} else {

+		m->quad4 = 0;

+	}

+

+	if (m->v > m->u) {	/* swap things if in 2 octant */

+		tmp = m->u;

+		m->u = m->v;

+		m->v = tmp;

+		m->oct2 = 1;

+	} else {

+		m->oct2 = 0;

+	}

+

+	m->ku = m->u + m->u;	/* change in l for square shift */

+	m->kv = m->v + m->v;	/* change in d for square shift */

+	m->kd = m->kv - m->ku;	/* change in d for diagonal shift */

+	m->kt = m->u - m->kv;	/* diag/square decision threshold */

+

+	d0 = 0;

+	d1 = 0;

+	dd = 0;

+

+	ang = atan((double) m->v / (double) m->u);	/* calc new initial point - offset both sides of ideal */	

+	sang = sin(ang);

+	cang = cos(ang);

+

+	if (m->oct2 == 0) {

+		ptx = x1 + (Sint16)lrint(offset * sang);

+		if (m->quad4 == 0) {

+			pty = y1 - (Sint16)lrint(offset * cang);

+		} else {

+			pty = y1 + (Sint16)lrint(offset * cang);

+		}

+	} else {

+		ptx = x1 - (Sint16)lrint(offset * cang);

+		if (m->quad4 == 0) {

+			pty = y1 + (Sint16)lrint(offset * sang);

+		} else {

+			pty = y1 - (Sint16)lrint(offset * sang);

+		}

+	}

+

+	/* used here for constant thickness line */

+	tk = (int) (4. * HYPOT(ptx - x1, pty - y1) * HYPOT(m->u, m->v));

+

+	if (miter == 0) {

+		m->first1x = -32768;

+		m->first1y = -32768;

+		m->first2x = -32768;

+		m->first2y = -32768;

+		m->last1x = -32768;

+		m->last1y = -32768;

+		m->last2x = -32768;

+		m->last2y = -32768;

+	}

+	ptxx = ptx;

+	ptxy = pty;

+

+	for (q = 0; dd <= tk; q++) {	/* outer loop, stepping perpendicular to line */

+

+		_murphyParaline(m, ptx, pty, d1);	/* call to inner loop - right edge */

+		if (q == 0) {

+			ml1x = ptx;

+			ml1y = pty;

+			ml1bx = m->tempx;

+			ml1by = m->tempy;

+		} else {

+			ml2x = ptx;

+			ml2y = pty;

+			ml2bx = m->tempx;

+			ml2by = m->tempy;

+		}

+		if (d0 < m->kt) {	/* square move */

+			if (m->oct2 == 0) {

+				if (m->quad4 == 0) {

+					pty++;

+				} else {

+					pty--;

+				}

+			} else {

+				ptx++;

+			}

+		} else {	/* diagonal move */

+			dd += m->kv;

+			d0 -= m->ku;

+			if (d1 < m->kt) {	/* normal diagonal */

+				if (m->oct2 == 0) {

+					ptx--;

+					if (m->quad4 == 0) {

+						pty++;

+					} else {

+						pty--;

+					}

+				} else {

+					ptx++;

+					if (m->quad4 == 0) {

+						pty--;

+					} else {

+						pty++;

+					}

+				}

+				d1 += m->kv;

+			} else {	/* double square move, extra parallel line */

+				if (m->oct2 == 0) {

+					ptx--;

+				} else {

+					if (m->quad4 == 0) {

+						pty--;

+					} else {

+						pty++;

+					}

+				}

+				d1 += m->kd;

+				if (dd > tk) {

+					_murphyIteration(m, miter, ml1bx, ml1by, ml2bx, ml2by, ml1x, ml1y, ml2x, ml2y);

+					return;	/* breakout on the extra line */

+				}

+				_murphyParaline(m, ptx, pty, d1);

+				if (m->oct2 == 0) {

+					if (m->quad4 == 0) {

+						pty++;

+					} else {

+

+						pty--;

+					}

+				} else {

+					ptx++;

+				}

+			}

+		}

+		dd += m->ku;

+		d0 += m->kv;

+	}

+

+	_murphyIteration(m, miter, ml1bx, ml1by, ml2bx, ml2by, ml1x, ml1y, ml2x, ml2y);

+}

+

+

+/*!

+\brief Draw a thick line with alpha blending.

+

+\param dst The surface to draw on.

+\param x1 X coordinate of the first point of the line.

+\param y1 Y coordinate of the first point of the line.

+\param x2 X coordinate of the second point of the line.

+\param y2 Y coordinate of the second point of the line.

+\param width Width of the line in pixels. Must be >0.

+\param color The color value of the line to draw (0xRRGGBBAA). 

+

+\returns Returns 0 on success, -1 on failure.

+*/

+int thickLineColor(SDL_Renderer *renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 width, Uint32 color)

+{	

+	Uint8 *c = (Uint8 *)&color; 
+	return thickLineRGBA(renderer, x1, y1, x2, y2, width, c[0], c[1], c[2], c[3]);
+}

+

+/*!

+\brief Draw a thick line with alpha blending.

+

+\param dst The surface to draw on.

+\param x1 X coordinate of the first point of the line.

+\param y1 Y coordinate of the first point of the line.

+\param x2 X coordinate of the second point of the line.

+\param y2 Y coordinate of the second point of the line.

+\param width Width of the line in pixels. Must be >0.

+\param r The red value of the character to draw. 

+\param g The green value of the character to draw. 

+\param b The blue value of the character to draw. 

+\param a The alpha value of the character to draw.

+

+\returns Returns 0 on success, -1 on failure.

+*/	

+int thickLineRGBA(SDL_Renderer *renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 width, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

+{

+	int result;

+	int wh;

+	SDL2_gfxMurphyIterator m;

+

+	if (renderer == NULL) {

+		return -1;

+	}

+	if (width < 1) {

+		return -1;

+	}

+

+	/* Special case: thick "point" */

+	if ((x1 == x2) && (y1 == y2)) {

+		wh = width / 2;

+		return boxRGBA(renderer, x1 - wh, y1 - wh, x2 + width, y2 + width, r, g, b, a);		

+	}

+

+	/*

+	* Set color

+	*/

+	result = 0;

+	result |= SDL_SetRenderDrawBlendMode(renderer, (a == 255) ? SDL_BLENDMODE_NONE : SDL_BLENDMODE_BLEND);
+	result |= SDL_SetRenderDrawColor(renderer, r, g, b, a);
+

+	/* 

+	* Draw

+	*/

+	m.renderer = renderer;

+	_murphyWideline(&m, x1, y1, x2, y2, width, 0);

+	_murphyWideline(&m, x1, y1, x2, y2, width, 1);

+

+	return(0);

+}

diff --git a/src/sdl2gfx/SDL_gfxPrimitives.h b/src/sdl2gfx/SDL_gfxPrimitives.h
new file mode 100644
index 000000000..58a08ca94
--- /dev/null
+++ b/src/sdl2gfx/SDL_gfxPrimitives.h
@@ -0,0 +1,241 @@
+/* 
+
+SDL2_gfxPrimitives.h: graphics primitives for SDL
+
+Copyright (C) 2012  Andreas Schiffler
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software
+in a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not be
+misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source
+distribution.
+
+Andreas Schiffler -- aschiffler at ferzkopp dot net
+
+*/
+
+#ifndef _SDL2_gfxPrimitives_h
+#define _SDL2_gfxPrimitives_h
+
+#include <math.h>
+#ifndef M_PI
+#define M_PI	3.1415926535897932384626433832795
+#endif
+
+#include "SDL.h"
+
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	/* ----- Versioning */
+
+#define SDL2_GFXPRIMITIVES_MAJOR	1
+#define SDL2_GFXPRIMITIVES_MINOR	0
+#define SDL2_GFXPRIMITIVES_MICRO	0
+
+
+	/* ---- Function Prototypes */
+
+#ifdef _MSC_VER
+#  if defined(DLL_EXPORT) && !defined(LIBSDL2_GFX_DLL_IMPORT)
+#    define SDL2_GFXPRIMITIVES_SCOPE __declspec(dllexport)
+#  else
+#    ifdef LIBSDL2_GFX_DLL_IMPORT
+#      define SDL2_GFXPRIMITIVES_SCOPE __declspec(dllimport)
+#    endif
+#  endif
+#endif
+#ifndef SDL2_GFXPRIMITIVES_SCOPE
+#  define SDL2_GFXPRIMITIVES_SCOPE extern
+#endif
+
+	/* Note: all ___Color routines expect the color to be in format 0xRRGGBBAA */
+
+	/* Pixel */
+
+	SDL2_GFXPRIMITIVES_SCOPE int pixelColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int pixelRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Horizontal line */
+
+	SDL2_GFXPRIMITIVES_SCOPE int hlineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int hlineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Vertical line */
+
+	SDL2_GFXPRIMITIVES_SCOPE int vlineColor(SDL_Renderer * renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int vlineRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Rectangle */
+
+	SDL2_GFXPRIMITIVES_SCOPE int rectangleColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int rectangleRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1,
+		Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Rounded-Corner Rectangle */
+
+	SDL2_GFXPRIMITIVES_SCOPE int roundedRectangleColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int roundedRectangleRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1,
+		Sint16 x2, Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Filled rectangle (Box) */
+
+	SDL2_GFXPRIMITIVES_SCOPE int boxColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int boxRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2,
+		Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Rounded-Corner Filled rectangle (Box) */
+
+	SDL2_GFXPRIMITIVES_SCOPE int roundedBoxColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int roundedBoxRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2,
+		Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Line */
+
+	SDL2_GFXPRIMITIVES_SCOPE int lineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int lineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1,
+		Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* AA Line */
+
+	SDL2_GFXPRIMITIVES_SCOPE int aalineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int aalineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1,
+		Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Thick Line */
+	SDL2_GFXPRIMITIVES_SCOPE int thickLineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, 
+		Uint8 width, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int thickLineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, 
+		Uint8 width, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Circle */
+
+	SDL2_GFXPRIMITIVES_SCOPE int circleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int circleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Arc */
+
+	SDL2_GFXPRIMITIVES_SCOPE int arcColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int arcRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, 
+		Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* AA Circle */
+
+	SDL2_GFXPRIMITIVES_SCOPE int aacircleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int aacircleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
+		Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Filled Circle */
+
+	SDL2_GFXPRIMITIVES_SCOPE int filledCircleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int filledCircleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
+		Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Ellipse */
+
+	SDL2_GFXPRIMITIVES_SCOPE int ellipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int ellipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
+		Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* AA Ellipse */
+
+	SDL2_GFXPRIMITIVES_SCOPE int aaellipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int aaellipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
+		Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Filled Ellipse */
+
+	SDL2_GFXPRIMITIVES_SCOPE int filledEllipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int filledEllipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
+		Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Pie */
+
+	SDL2_GFXPRIMITIVES_SCOPE int pieColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
+		Sint16 start, Sint16 end, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int pieRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
+		Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Filled Pie */
+
+	SDL2_GFXPRIMITIVES_SCOPE int filledPieColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
+		Sint16 start, Sint16 end, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int filledPieRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
+		Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Trigon */
+
+	SDL2_GFXPRIMITIVES_SCOPE int trigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int trigonRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
+		Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* AA-Trigon */
+
+	SDL2_GFXPRIMITIVES_SCOPE int aatrigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int aatrigonRGBA(SDL_Renderer * renderer,  Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
+		Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Filled Trigon */
+
+	SDL2_GFXPRIMITIVES_SCOPE int filledTrigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int filledTrigonRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
+		Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Polygon */
+
+	SDL2_GFXPRIMITIVES_SCOPE int polygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int polygonRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy,
+		int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* AA-Polygon */
+
+	SDL2_GFXPRIMITIVES_SCOPE int aapolygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int aapolygonRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy,
+		int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Filled Polygon */
+
+	SDL2_GFXPRIMITIVES_SCOPE int filledPolygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int filledPolygonRGBA(SDL_Renderer * renderer, const Sint16 * vx,
+		const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Textured Polygon */
+
+	SDL2_GFXPRIMITIVES_SCOPE int texturedPolygon(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, SDL_Surface * texture,int texture_dx,int texture_dy);
+
+	/* Bezier */
+
+	SDL2_GFXPRIMITIVES_SCOPE int bezierColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, int s, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int bezierRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy,
+		int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Characters/Strings */
+
+	SDL2_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFont(const void *fontdata, Uint32 cw, Uint32 ch);
+	SDL2_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFontRotation(Uint32 rotation);
+	SDL2_GFXPRIMITIVES_SCOPE int characterColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, char c, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int characterRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+	SDL2_GFXPRIMITIVES_SCOPE int stringColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, const char *s, Uint32 color);
+	SDL2_GFXPRIMITIVES_SCOPE int stringRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, const char *s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+
+	/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+
+#endif				/* _SDL2_gfxPrimitives_h */
diff --git a/src/sdl2gfx/SDL_gfxPrimitives_font.h b/src/sdl2gfx/SDL_gfxPrimitives_font.h
new file mode 100644
index 000000000..9fa45e8e8
--- /dev/null
+++ b/src/sdl2gfx/SDL_gfxPrimitives_font.h
@@ -0,0 +1,3082 @@
+
+/* ---- 8x8 font definition ---- */
+
+/*  ZLIB (c) A. Schiffler 2012 */
+
+#define GFX_FONTDATAMAX (8*256)
+
+static unsigned char gfxPrimitivesFontdata[GFX_FONTDATAMAX] = {
+
+	/*
+	* 0 0x00 '^@' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 1 0x01 '^A' 
+	*/
+	0x7e,			/* 01111110 */
+	0x81,			/* 10000001 */
+	0xa5,			/* 10100101 */
+	0x81,			/* 10000001 */
+	0xbd,			/* 10111101 */
+	0x99,			/* 10011001 */
+	0x81,			/* 10000001 */
+	0x7e,			/* 01111110 */
+
+	/*
+	* 2 0x02 '^B' 
+	*/
+	0x7e,			/* 01111110 */
+	0xff,			/* 11111111 */
+	0xdb,			/* 11011011 */
+	0xff,			/* 11111111 */
+	0xc3,			/* 11000011 */
+	0xe7,			/* 11100111 */
+	0xff,			/* 11111111 */
+	0x7e,			/* 01111110 */
+
+	/*
+	* 3 0x03 '^C' 
+	*/
+	0x6c,			/* 01101100 */
+	0xfe,			/* 11111110 */
+	0xfe,			/* 11111110 */
+	0xfe,			/* 11111110 */
+	0x7c,			/* 01111100 */
+	0x38,			/* 00111000 */
+	0x10,			/* 00010000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 4 0x04 '^D' 
+	*/
+	0x10,			/* 00010000 */
+	0x38,			/* 00111000 */
+	0x7c,			/* 01111100 */
+	0xfe,			/* 11111110 */
+	0x7c,			/* 01111100 */
+	0x38,			/* 00111000 */
+	0x10,			/* 00010000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 5 0x05 '^E' 
+	*/
+	0x38,			/* 00111000 */
+	0x7c,			/* 01111100 */
+	0x38,			/* 00111000 */
+	0xfe,			/* 11111110 */
+	0xfe,			/* 11111110 */
+	0xd6,			/* 11010110 */
+	0x10,			/* 00010000 */
+	0x38,			/* 00111000 */
+
+	/*
+	* 6 0x06 '^F' 
+	*/
+	0x10,			/* 00010000 */
+	0x38,			/* 00111000 */
+	0x7c,			/* 01111100 */
+	0xfe,			/* 11111110 */
+	0xfe,			/* 11111110 */
+	0x7c,			/* 01111100 */
+	0x10,			/* 00010000 */
+	0x38,			/* 00111000 */
+
+	/*
+	* 7 0x07 '^G' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 8 0x08 '^H' 
+	*/
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xe7,			/* 11100111 */
+	0xc3,			/* 11000011 */
+	0xc3,			/* 11000011 */
+	0xe7,			/* 11100111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+
+	/*
+	* 9 0x09 '^I' 
+	*/
+	0x00,			/* 00000000 */
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0x42,			/* 01000010 */
+	0x42,			/* 01000010 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 10 0x0a '^J' 
+	*/
+	0xff,			/* 11111111 */
+	0xc3,			/* 11000011 */
+	0x99,			/* 10011001 */
+	0xbd,			/* 10111101 */
+	0xbd,			/* 10111101 */
+	0x99,			/* 10011001 */
+	0xc3,			/* 11000011 */
+	0xff,			/* 11111111 */
+
+	/*
+	* 11 0x0b '^K' 
+	*/
+	0x0f,			/* 00001111 */
+	0x07,			/* 00000111 */
+	0x0f,			/* 00001111 */
+	0x7d,			/* 01111101 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x78,			/* 01111000 */
+
+	/*
+	* 12 0x0c '^L' 
+	*/
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 13 0x0d '^M' 
+	*/
+	0x3f,			/* 00111111 */
+	0x33,			/* 00110011 */
+	0x3f,			/* 00111111 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x70,			/* 01110000 */
+	0xf0,			/* 11110000 */
+	0xe0,			/* 11100000 */
+
+	/*
+	* 14 0x0e '^N' 
+	*/
+	0x7f,			/* 01111111 */
+	0x63,			/* 01100011 */
+	0x7f,			/* 01111111 */
+	0x63,			/* 01100011 */
+	0x63,			/* 01100011 */
+	0x67,			/* 01100111 */
+	0xe6,			/* 11100110 */
+	0xc0,			/* 11000000 */
+
+	/*
+	* 15 0x0f '^O' 
+	*/
+	0x18,			/* 00011000 */
+	0xdb,			/* 11011011 */
+	0x3c,			/* 00111100 */
+	0xe7,			/* 11100111 */
+	0xe7,			/* 11100111 */
+	0x3c,			/* 00111100 */
+	0xdb,			/* 11011011 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 16 0x10 '^P' 
+	*/
+	0x80,			/* 10000000 */
+	0xe0,			/* 11100000 */
+	0xf8,			/* 11111000 */
+	0xfe,			/* 11111110 */
+	0xf8,			/* 11111000 */
+	0xe0,			/* 11100000 */
+	0x80,			/* 10000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 17 0x11 '^Q' 
+	*/
+	0x02,			/* 00000010 */
+	0x0e,			/* 00001110 */
+	0x3e,			/* 00111110 */
+	0xfe,			/* 11111110 */
+	0x3e,			/* 00111110 */
+	0x0e,			/* 00001110 */
+	0x02,			/* 00000010 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 18 0x12 '^R' 
+	*/
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 19 0x13 '^S' 
+	*/
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x00,			/* 00000000 */
+	0x66,			/* 01100110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 20 0x14 '^T' 
+	*/
+	0x7f,			/* 01111111 */
+	0xdb,			/* 11011011 */
+	0xdb,			/* 11011011 */
+	0x7b,			/* 01111011 */
+	0x1b,			/* 00011011 */
+	0x1b,			/* 00011011 */
+	0x1b,			/* 00011011 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 21 0x15 '^U' 
+	*/
+	0x3e,			/* 00111110 */
+	0x61,			/* 01100001 */
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x86,			/* 10000110 */
+	0x7c,			/* 01111100 */
+
+	/*
+	* 22 0x16 '^V' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x7e,			/* 01111110 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 23 0x17 '^W' 
+	*/
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0xff,			/* 11111111 */
+
+	/*
+	* 24 0x18 '^X' 
+	*/
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 25 0x19 '^Y' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 26 0x1a '^Z' 
+	*/
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0xfe,			/* 11111110 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 27 0x1b '^[' 
+	*/
+	0x00,			/* 00000000 */
+	0x30,			/* 00110000 */
+	0x60,			/* 01100000 */
+	0xfe,			/* 11111110 */
+	0x60,			/* 01100000 */
+	0x30,			/* 00110000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 28 0x1c '^\' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 29 0x1d '^]' 
+	*/
+	0x00,			/* 00000000 */
+	0x24,			/* 00100100 */
+	0x66,			/* 01100110 */
+	0xff,			/* 11111111 */
+	0x66,			/* 01100110 */
+	0x24,			/* 00100100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 30 0x1e '^^' 
+	*/
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x7e,			/* 01111110 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 31 0x1f '^_' 
+	*/
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0x7e,			/* 01111110 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 32 0x20 ' ' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 33 0x21 '!' 
+	*/
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 34 0x22 '"' 
+	*/
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x24,			/* 00100100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 35 0x23 '#' 
+	*/
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0xfe,			/* 11111110 */
+	0x6c,			/* 01101100 */
+	0xfe,			/* 11111110 */
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 36 0x24 '$' 
+	*/
+	0x18,			/* 00011000 */
+	0x3e,			/* 00111110 */
+	0x60,			/* 01100000 */
+	0x3c,			/* 00111100 */
+	0x06,			/* 00000110 */
+	0x7c,			/* 01111100 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 37 0x25 '%' 
+	*/
+	0x00,			/* 00000000 */
+	0xc6,			/* 11000110 */
+	0xcc,			/* 11001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x66,			/* 01100110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 38 0x26 '&' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x76,			/* 01110110 */
+	0xdc,			/* 11011100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 39 0x27 ''' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 40 0x28 '(' 
+	*/
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 41 0x29 ')' 
+	*/
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 42 0x2a '*' 
+	*/
+	0x00,			/* 00000000 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0xff,			/* 11111111 */
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 43 0x2b '+' 
+	*/
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 44 0x2c ',' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+
+	/*
+	* 45 0x2d '-' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 46 0x2e '.' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 47 0x2f '/' 
+	*/
+	0x06,			/* 00000110 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x60,			/* 01100000 */
+	0xc0,			/* 11000000 */
+	0x80,			/* 10000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 48 0x30 '0' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0xd6,			/* 11010110 */
+	0xc6,			/* 11000110 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 49 0x31 '1' 
+	*/
+	0x18,			/* 00011000 */
+	0x38,			/* 00111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 50 0x32 '2' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0x06,			/* 00000110 */
+	0x1c,			/* 00011100 */
+	0x30,			/* 00110000 */
+	0x66,			/* 01100110 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 51 0x33 '3' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0x06,			/* 00000110 */
+	0x3c,			/* 00111100 */
+	0x06,			/* 00000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 52 0x34 '4' 
+	*/
+	0x1c,			/* 00011100 */
+	0x3c,			/* 00111100 */
+	0x6c,			/* 01101100 */
+	0xcc,			/* 11001100 */
+	0xfe,			/* 11111110 */
+	0x0c,			/* 00001100 */
+	0x1e,			/* 00011110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 53 0x35 '5' 
+	*/
+	0xfe,			/* 11111110 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xfc,			/* 11111100 */
+	0x06,			/* 00000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 54 0x36 '6' 
+	*/
+	0x38,			/* 00111000 */
+	0x60,			/* 01100000 */
+	0xc0,			/* 11000000 */
+	0xfc,			/* 11111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 55 0x37 '7' 
+	*/
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 56 0x38 '8' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 57 0x39 '9' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7e,			/* 01111110 */
+	0x06,			/* 00000110 */
+	0x0c,			/* 00001100 */
+	0x78,			/* 01111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 58 0x3a ':' 
+	*/
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 59 0x3b ';' 
+	*/
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+
+	/*
+	* 60 0x3c '<' 
+	*/
+	0x06,			/* 00000110 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x06,			/* 00000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 61 0x3d '=' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 62 0x3e '>' 
+	*/
+	0x60,			/* 01100000 */
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x60,			/* 01100000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 63 0x3f '?' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 64 0x40 '@' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xde,			/* 11011110 */
+	0xde,			/* 11011110 */
+	0xde,			/* 11011110 */
+	0xc0,			/* 11000000 */
+	0x78,			/* 01111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 65 0x41 'A' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 66 0x42 'B' 
+	*/
+	0xfc,			/* 11111100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x7c,			/* 01111100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0xfc,			/* 11111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 67 0x43 'C' 
+	*/
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 68 0x44 'D' 
+	*/
+	0xf8,			/* 11111000 */
+	0x6c,			/* 01101100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x6c,			/* 01101100 */
+	0xf8,			/* 11111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 69 0x45 'E' 
+	*/
+	0xfe,			/* 11111110 */
+	0x62,			/* 01100010 */
+	0x68,			/* 01101000 */
+	0x78,			/* 01111000 */
+	0x68,			/* 01101000 */
+	0x62,			/* 01100010 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 70 0x46 'F' 
+	*/
+	0xfe,			/* 11111110 */
+	0x62,			/* 01100010 */
+	0x68,			/* 01101000 */
+	0x78,			/* 01111000 */
+	0x68,			/* 01101000 */
+	0x60,			/* 01100000 */
+	0xf0,			/* 11110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 71 0x47 'G' 
+	*/
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xce,			/* 11001110 */
+	0x66,			/* 01100110 */
+	0x3a,			/* 00111010 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 72 0x48 'H' 
+	*/
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 73 0x49 'I' 
+	*/
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 74 0x4a 'J' 
+	*/
+	0x1e,			/* 00011110 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x78,			/* 01111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 75 0x4b 'K' 
+	*/
+	0xe6,			/* 11100110 */
+	0x66,			/* 01100110 */
+	0x6c,			/* 01101100 */
+	0x78,			/* 01111000 */
+	0x6c,			/* 01101100 */
+	0x66,			/* 01100110 */
+	0xe6,			/* 11100110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 76 0x4c 'L' 
+	*/
+	0xf0,			/* 11110000 */
+	0x60,			/* 01100000 */
+	0x60,			/* 01100000 */
+	0x60,			/* 01100000 */
+	0x62,			/* 01100010 */
+	0x66,			/* 01100110 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 77 0x4d 'M' 
+	*/
+	0xc6,			/* 11000110 */
+	0xee,			/* 11101110 */
+	0xfe,			/* 11111110 */
+	0xfe,			/* 11111110 */
+	0xd6,			/* 11010110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 78 0x4e 'N' 
+	*/
+	0xc6,			/* 11000110 */
+	0xe6,			/* 11100110 */
+	0xf6,			/* 11110110 */
+	0xde,			/* 11011110 */
+	0xce,			/* 11001110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 79 0x4f 'O' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 80 0x50 'P' 
+	*/
+	0xfc,			/* 11111100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x7c,			/* 01111100 */
+	0x60,			/* 01100000 */
+	0x60,			/* 01100000 */
+	0xf0,			/* 11110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 81 0x51 'Q' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xce,			/* 11001110 */
+	0x7c,			/* 01111100 */
+	0x0e,			/* 00001110 */
+
+	/*
+	* 82 0x52 'R' 
+	*/
+	0xfc,			/* 11111100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x7c,			/* 01111100 */
+	0x6c,			/* 01101100 */
+	0x66,			/* 01100110 */
+	0xe6,			/* 11100110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 83 0x53 'S' 
+	*/
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 84 0x54 'T' 
+	*/
+	0x7e,			/* 01111110 */
+	0x7e,			/* 01111110 */
+	0x5a,			/* 01011010 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 85 0x55 'U' 
+	*/
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 86 0x56 'V' 
+	*/
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 87 0x57 'W' 
+	*/
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xd6,			/* 11010110 */
+	0xd6,			/* 11010110 */
+	0xfe,			/* 11111110 */
+	0x6c,			/* 01101100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 88 0x58 'X' 
+	*/
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 89 0x59 'Y' 
+	*/
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 90 0x5a 'Z' 
+	*/
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0x8c,			/* 10001100 */
+	0x18,			/* 00011000 */
+	0x32,			/* 00110010 */
+	0x66,			/* 01100110 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 91 0x5b '[' 
+	*/
+	0x3c,			/* 00111100 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 92 0x5c '\' 
+	*/
+	0xc0,			/* 11000000 */
+	0x60,			/* 01100000 */
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x06,			/* 00000110 */
+	0x02,			/* 00000010 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 93 0x5d ']' 
+	*/
+	0x3c,			/* 00111100 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 94 0x5e '^' 
+	*/
+	0x10,			/* 00010000 */
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 95 0x5f '_' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+
+	/*
+	* 96 0x60 '`' 
+	*/
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 97 0x61 'a' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x78,			/* 01111000 */
+	0x0c,			/* 00001100 */
+	0x7c,			/* 01111100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 98 0x62 'b' 
+	*/
+	0xe0,			/* 11100000 */
+	0x60,			/* 01100000 */
+	0x7c,			/* 01111100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0xdc,			/* 11011100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 99 0x63 'c' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc0,			/* 11000000 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 100 0x64 'd' 
+	*/
+	0x1c,			/* 00011100 */
+	0x0c,			/* 00001100 */
+	0x7c,			/* 01111100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 101 0x65 'e' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc0,			/* 11000000 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 102 0x66 'f' 
+	*/
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0x60,			/* 01100000 */
+	0xf8,			/* 11111000 */
+	0x60,			/* 01100000 */
+	0x60,			/* 01100000 */
+	0xf0,			/* 11110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 103 0x67 'g' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x76,			/* 01110110 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x7c,			/* 01111100 */
+	0x0c,			/* 00001100 */
+	0xf8,			/* 11111000 */
+
+	/*
+	* 104 0x68 'h' 
+	*/
+	0xe0,			/* 11100000 */
+	0x60,			/* 01100000 */
+	0x6c,			/* 01101100 */
+	0x76,			/* 01110110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0xe6,			/* 11100110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 105 0x69 'i' 
+	*/
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x38,			/* 00111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 106 0x6a 'j' 
+	*/
+	0x06,			/* 00000110 */
+	0x00,			/* 00000000 */
+	0x06,			/* 00000110 */
+	0x06,			/* 00000110 */
+	0x06,			/* 00000110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+
+	/*
+	* 107 0x6b 'k' 
+	*/
+	0xe0,			/* 11100000 */
+	0x60,			/* 01100000 */
+	0x66,			/* 01100110 */
+	0x6c,			/* 01101100 */
+	0x78,			/* 01111000 */
+	0x6c,			/* 01101100 */
+	0xe6,			/* 11100110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 108 0x6c 'l' 
+	*/
+	0x38,			/* 00111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 109 0x6d 'm' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xec,			/* 11101100 */
+	0xfe,			/* 11111110 */
+	0xd6,			/* 11010110 */
+	0xd6,			/* 11010110 */
+	0xd6,			/* 11010110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 110 0x6e 'n' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xdc,			/* 11011100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 111 0x6f 'o' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 112 0x70 'p' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xdc,			/* 11011100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x7c,			/* 01111100 */
+	0x60,			/* 01100000 */
+	0xf0,			/* 11110000 */
+
+	/*
+	* 113 0x71 'q' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x76,			/* 01110110 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x7c,			/* 01111100 */
+	0x0c,			/* 00001100 */
+	0x1e,			/* 00011110 */
+
+	/*
+	* 114 0x72 'r' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xdc,			/* 11011100 */
+	0x76,			/* 01110110 */
+	0x60,			/* 01100000 */
+	0x60,			/* 01100000 */
+	0xf0,			/* 11110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 115 0x73 's' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0xc0,			/* 11000000 */
+	0x7c,			/* 01111100 */
+	0x06,			/* 00000110 */
+	0xfc,			/* 11111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 116 0x74 't' 
+	*/
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0xfc,			/* 11111100 */
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x36,			/* 00110110 */
+	0x1c,			/* 00011100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 117 0x75 'u' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 118 0x76 'v' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 119 0x77 'w' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xc6,			/* 11000110 */
+	0xd6,			/* 11010110 */
+	0xd6,			/* 11010110 */
+	0xfe,			/* 11111110 */
+	0x6c,			/* 01101100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 120 0x78 'x' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xc6,			/* 11000110 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 121 0x79 'y' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7e,			/* 01111110 */
+	0x06,			/* 00000110 */
+	0xfc,			/* 11111100 */
+
+	/*
+	* 122 0x7a 'z' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x4c,			/* 01001100 */
+	0x18,			/* 00011000 */
+	0x32,			/* 00110010 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 123 0x7b '{' 
+	*/
+	0x0e,			/* 00001110 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x70,			/* 01110000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x0e,			/* 00001110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 124 0x7c '|' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 125 0x7d '}' 
+	*/
+	0x70,			/* 01110000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x0e,			/* 00001110 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x70,			/* 01110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 126 0x7e '~' 
+	*/
+	0x76,			/* 01110110 */
+	0xdc,			/* 11011100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 127 0x7f '' 
+	*/
+	0x00,			/* 00000000 */
+	0x10,			/* 00010000 */
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 128 0x80 '€' 
+	*/
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x0c,			/* 00001100 */
+	0x78,			/* 01111000 */
+
+	/*
+	* 129 0x81 '�' 
+	*/
+	0xcc,			/* 11001100 */
+	0x00,			/* 00000000 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 130 0x82 '‚' 
+	*/
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc0,			/* 11000000 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 131 0x83 'ƒ' 
+	*/
+	0x7c,			/* 01111100 */
+	0x82,			/* 10000010 */
+	0x78,			/* 01111000 */
+	0x0c,			/* 00001100 */
+	0x7c,			/* 01111100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 132 0x84 '„' 
+	*/
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+	0x78,			/* 01111000 */
+	0x0c,			/* 00001100 */
+	0x7c,			/* 01111100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 133 0x85 '…' 
+	*/
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x78,			/* 01111000 */
+	0x0c,			/* 00001100 */
+	0x7c,			/* 01111100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 134 0x86 '†' 
+	*/
+	0x30,			/* 00110000 */
+	0x30,			/* 00110000 */
+	0x78,			/* 01111000 */
+	0x0c,			/* 00001100 */
+	0x7c,			/* 01111100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 135 0x87 '‡' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0x7e,			/* 01111110 */
+	0x0c,			/* 00001100 */
+	0x38,			/* 00111000 */
+
+	/*
+	* 136 0x88 'ˆ' 
+	*/
+	0x7c,			/* 01111100 */
+	0x82,			/* 10000010 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc0,			/* 11000000 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 137 0x89 '‰' 
+	*/
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc0,			/* 11000000 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 138 0x8a 'Š' 
+	*/
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc0,			/* 11000000 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 139 0x8b '‹' 
+	*/
+	0x66,			/* 01100110 */
+	0x00,			/* 00000000 */
+	0x38,			/* 00111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 140 0x8c 'Œ' 
+	*/
+	0x7c,			/* 01111100 */
+	0x82,			/* 10000010 */
+	0x38,			/* 00111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 141 0x8d '�' 
+	*/
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x38,			/* 00111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 142 0x8e 'Ž' 
+	*/
+	0xc6,			/* 11000110 */
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 143 0x8f '�' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 144 0x90 '�' 
+	*/
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0xfe,			/* 11111110 */
+	0xc0,			/* 11000000 */
+	0xf8,			/* 11111000 */
+	0xc0,			/* 11000000 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 145 0x91 '‘' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0xd8,			/* 11011000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 146 0x92 '’' 
+	*/
+	0x3e,			/* 00111110 */
+	0x6c,			/* 01101100 */
+	0xcc,			/* 11001100 */
+	0xfe,			/* 11111110 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xce,			/* 11001110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 147 0x93 '“' 
+	*/
+	0x7c,			/* 01111100 */
+	0x82,			/* 10000010 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 148 0x94 '”' 
+	*/
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 149 0x95 '•' 
+	*/
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 150 0x96 '–' 
+	*/
+	0x78,			/* 01111000 */
+	0x84,			/* 10000100 */
+	0x00,			/* 00000000 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 151 0x97 '—' 
+	*/
+	0x60,			/* 01100000 */
+	0x30,			/* 00110000 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 152 0x98 '˜' 
+	*/
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7e,			/* 01111110 */
+	0x06,			/* 00000110 */
+	0xfc,			/* 11111100 */
+
+	/*
+	* 153 0x99 '™' 
+	*/
+	0xc6,			/* 11000110 */
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 154 0x9a 'š' 
+	*/
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 155 0x9b '›' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 156 0x9c 'œ' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0x64,			/* 01100100 */
+	0xf0,			/* 11110000 */
+	0x60,			/* 01100000 */
+	0x66,			/* 01100110 */
+	0xfc,			/* 11111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 157 0x9d '�' 
+	*/
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 158 0x9e 'ž' 
+	*/
+	0xf8,			/* 11111000 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xfa,			/* 11111010 */
+	0xc6,			/* 11000110 */
+	0xcf,			/* 11001111 */
+	0xc6,			/* 11000110 */
+	0xc7,			/* 11000111 */
+
+	/*
+	* 159 0x9f 'Ÿ' 
+	*/
+	0x0e,			/* 00001110 */
+	0x1b,			/* 00011011 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0xd8,			/* 11011000 */
+	0x70,			/* 01110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 160 0xa0 ' ' 
+	*/
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x78,			/* 01111000 */
+	0x0c,			/* 00001100 */
+	0x7c,			/* 01111100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 161 0xa1 '¡' 
+	*/
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x38,			/* 00111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 162 0xa2 '¢' 
+	*/
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 163 0xa3 '£' 
+	*/
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 164 0xa4 '¤' 
+	*/
+	0x76,			/* 01110110 */
+	0xdc,			/* 11011100 */
+	0x00,			/* 00000000 */
+	0xdc,			/* 11011100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 165 0xa5 '¥' 
+	*/
+	0x76,			/* 01110110 */
+	0xdc,			/* 11011100 */
+	0x00,			/* 00000000 */
+	0xe6,			/* 11100110 */
+	0xf6,			/* 11110110 */
+	0xde,			/* 11011110 */
+	0xce,			/* 11001110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 166 0xa6 '¦' 
+	*/
+	0x3c,			/* 00111100 */
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0x3e,			/* 00111110 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 167 0xa7 '§' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x00,			/* 00000000 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 168 0xa8 '¨' 
+	*/
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x63,			/* 01100011 */
+	0x3e,			/* 00111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 169 0xa9 '©' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xfe,			/* 11111110 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 170 0xaa 'ª' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xfe,			/* 11111110 */
+	0x06,			/* 00000110 */
+	0x06,			/* 00000110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 171 0xab '«' 
+	*/
+	0x63,			/* 01100011 */
+	0xe6,			/* 11100110 */
+	0x6c,			/* 01101100 */
+	0x7e,			/* 01111110 */
+	0x33,			/* 00110011 */
+	0x66,			/* 01100110 */
+	0xcc,			/* 11001100 */
+	0x0f,			/* 00001111 */
+
+	/*
+	* 172 0xac '¬' 
+	*/
+	0x63,			/* 01100011 */
+	0xe6,			/* 11100110 */
+	0x6c,			/* 01101100 */
+	0x7a,			/* 01111010 */
+	0x36,			/* 00110110 */
+	0x6a,			/* 01101010 */
+	0xdf,			/* 11011111 */
+	0x06,			/* 00000110 */
+
+	/*
+	* 173 0xad '­' 
+	*/
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 174 0xae '®' 
+	*/
+	0x00,			/* 00000000 */
+	0x33,			/* 00110011 */
+	0x66,			/* 01100110 */
+	0xcc,			/* 11001100 */
+	0x66,			/* 01100110 */
+	0x33,			/* 00110011 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 175 0xaf '¯' 
+	*/
+	0x00,			/* 00000000 */
+	0xcc,			/* 11001100 */
+	0x66,			/* 01100110 */
+	0x33,			/* 00110011 */
+	0x66,			/* 01100110 */
+	0xcc,			/* 11001100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 176 0xb0 '°' 
+	*/
+	0x22,			/* 00100010 */
+	0x88,			/* 10001000 */
+	0x22,			/* 00100010 */
+	0x88,			/* 10001000 */
+	0x22,			/* 00100010 */
+	0x88,			/* 10001000 */
+	0x22,			/* 00100010 */
+	0x88,			/* 10001000 */
+
+	/*
+	* 177 0xb1 '±' 
+	*/
+	0x55,			/* 01010101 */
+	0xaa,			/* 10101010 */
+	0x55,			/* 01010101 */
+	0xaa,			/* 10101010 */
+	0x55,			/* 01010101 */
+	0xaa,			/* 10101010 */
+	0x55,			/* 01010101 */
+	0xaa,			/* 10101010 */
+
+	/*
+	* 178 0xb2 '²' 
+	*/
+	0x77,			/* 01110111 */
+	0xdd,			/* 11011101 */
+	0x77,			/* 01110111 */
+	0xdd,			/* 11011101 */
+	0x77,			/* 01110111 */
+	0xdd,			/* 11011101 */
+	0x77,			/* 01110111 */
+	0xdd,			/* 11011101 */
+
+	/*
+	* 179 0xb3 '³' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 180 0xb4 '´' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xf8,			/* 11111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 181 0xb5 'µ' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xf8,			/* 11111000 */
+	0x18,			/* 00011000 */
+	0xf8,			/* 11111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 182 0xb6 '¶' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0xf6,			/* 11110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 183 0xb7 '·' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xfe,			/* 11111110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 184 0xb8 '¸' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xf8,			/* 11111000 */
+	0x18,			/* 00011000 */
+	0xf8,			/* 11111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 185 0xb9 '¹' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0xf6,			/* 11110110 */
+	0x06,			/* 00000110 */
+	0xf6,			/* 11110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 186 0xba 'º' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 187 0xbb '»' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xfe,			/* 11111110 */
+	0x06,			/* 00000110 */
+	0xf6,			/* 11110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 188 0xbc '¼' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0xf6,			/* 11110110 */
+	0x06,			/* 00000110 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 189 0xbd '½' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 190 0xbe '¾' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xf8,			/* 11111000 */
+	0x18,			/* 00011000 */
+	0xf8,			/* 11111000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 191 0xbf '¿' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xf8,			/* 11111000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 192 0xc0 'À' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x1f,			/* 00011111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 193 0xc1 'Á' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 194 0xc2 'Â' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 195 0xc3 'Ã' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x1f,			/* 00011111 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 196 0xc4 'Ä' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 197 0xc5 'Å' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xff,			/* 11111111 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 198 0xc6 'Æ' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x1f,			/* 00011111 */
+	0x18,			/* 00011000 */
+	0x1f,			/* 00011111 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 199 0xc7 'Ç' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x37,			/* 00110111 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 200 0xc8 'È' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x37,			/* 00110111 */
+	0x30,			/* 00110000 */
+	0x3f,			/* 00111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 201 0xc9 'É' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x3f,			/* 00111111 */
+	0x30,			/* 00110000 */
+	0x37,			/* 00110111 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 202 0xca 'Ê' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0xf7,			/* 11110111 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 203 0xcb 'Ë' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0xf7,			/* 11110111 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 204 0xcc 'Ì' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x37,			/* 00110111 */
+	0x30,			/* 00110000 */
+	0x37,			/* 00110111 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 205 0xcd 'Í' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 206 0xce 'Î' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0xf7,			/* 11110111 */
+	0x00,			/* 00000000 */
+	0xf7,			/* 11110111 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 207 0xcf 'Ï' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 208 0xd0 'Ð' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 209 0xd1 'Ñ' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 210 0xd2 'Ò' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 211 0xd3 'Ó' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x3f,			/* 00111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 212 0xd4 'Ô' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x1f,			/* 00011111 */
+	0x18,			/* 00011000 */
+	0x1f,			/* 00011111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 213 0xd5 'Õ' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x1f,			/* 00011111 */
+	0x18,			/* 00011000 */
+	0x1f,			/* 00011111 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 214 0xd6 'Ö' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x3f,			/* 00111111 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 215 0xd7 '×' 
+	*/
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0xff,			/* 11111111 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+
+	/*
+	* 216 0xd8 'Ø' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xff,			/* 11111111 */
+	0x18,			/* 00011000 */
+	0xff,			/* 11111111 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 217 0xd9 'Ù' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xf8,			/* 11111000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 218 0xda 'Ú' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x1f,			/* 00011111 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 219 0xdb 'Û' 
+	*/
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+
+	/*
+	* 220 0xdc 'Ü' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+
+	/*
+	* 221 0xdd 'Ý' 
+	*/
+	0xf0,			/* 11110000 */
+	0xf0,			/* 11110000 */
+	0xf0,			/* 11110000 */
+	0xf0,			/* 11110000 */
+	0xf0,			/* 11110000 */
+	0xf0,			/* 11110000 */
+	0xf0,			/* 11110000 */
+	0xf0,			/* 11110000 */
+
+	/*
+	* 222 0xde 'Þ' 
+	*/
+	0x0f,			/* 00001111 */
+	0x0f,			/* 00001111 */
+	0x0f,			/* 00001111 */
+	0x0f,			/* 00001111 */
+	0x0f,			/* 00001111 */
+	0x0f,			/* 00001111 */
+	0x0f,			/* 00001111 */
+	0x0f,			/* 00001111 */
+
+	/*
+	* 223 0xdf 'ß' 
+	*/
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0xff,			/* 11111111 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 224 0xe0 'à' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x76,			/* 01110110 */
+	0xdc,			/* 11011100 */
+	0xc8,			/* 11001000 */
+	0xdc,			/* 11011100 */
+	0x76,			/* 01110110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 225 0xe1 'á' 
+	*/
+	0x78,			/* 01111000 */
+	0xcc,			/* 11001100 */
+	0xcc,			/* 11001100 */
+	0xd8,			/* 11011000 */
+	0xcc,			/* 11001100 */
+	0xc6,			/* 11000110 */
+	0xcc,			/* 11001100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 226 0xe2 'â' 
+	*/
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0xc0,			/* 11000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 227 0xe3 'ã' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0xfe,			/* 11111110 */
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 228 0xe4 'ä' 
+	*/
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0x60,			/* 01100000 */
+	0x30,			/* 00110000 */
+	0x60,			/* 01100000 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 229 0xe5 'å' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0xd8,			/* 11011000 */
+	0xd8,			/* 11011000 */
+	0xd8,			/* 11011000 */
+	0x70,			/* 01110000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 230 0xe6 'æ' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x7c,			/* 01111100 */
+	0xc0,			/* 11000000 */
+
+	/*
+	* 231 0xe7 'ç' 
+	*/
+	0x00,			/* 00000000 */
+	0x76,			/* 01110110 */
+	0xdc,			/* 11011100 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 232 0xe8 'è' 
+	*/
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x3c,			/* 00111100 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+
+	/*
+	* 233 0xe9 'é' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0xfe,			/* 11111110 */
+	0xc6,			/* 11000110 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 234 0xea 'ê' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0xee,			/* 11101110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 235 0xeb 'ë' 
+	*/
+	0x0e,			/* 00001110 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x3e,			/* 00111110 */
+	0x66,			/* 01100110 */
+	0x66,			/* 01100110 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 236 0xec 'ì' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0xdb,			/* 11011011 */
+	0xdb,			/* 11011011 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 237 0xed 'í' 
+	*/
+	0x06,			/* 00000110 */
+	0x0c,			/* 00001100 */
+	0x7e,			/* 01111110 */
+	0xdb,			/* 11011011 */
+	0xdb,			/* 11011011 */
+	0x7e,			/* 01111110 */
+	0x60,			/* 01100000 */
+	0xc0,			/* 11000000 */
+
+	/*
+	* 238 0xee 'î' 
+	*/
+	0x1e,			/* 00011110 */
+	0x30,			/* 00110000 */
+	0x60,			/* 01100000 */
+	0x7e,			/* 01111110 */
+	0x60,			/* 01100000 */
+	0x30,			/* 00110000 */
+	0x1e,			/* 00011110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 239 0xef 'ï' 
+	*/
+	0x00,			/* 00000000 */
+	0x7c,			/* 01111100 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0xc6,			/* 11000110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 240 0xf0 'ð' 
+	*/
+	0x00,			/* 00000000 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+	0xfe,			/* 11111110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 241 0xf1 'ñ' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x7e,			/* 01111110 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 242 0xf2 'ò' 
+	*/
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 243 0xf3 'ó' 
+	*/
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x18,			/* 00011000 */
+	0x0c,			/* 00001100 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 244 0xf4 'ô' 
+	*/
+	0x0e,			/* 00001110 */
+	0x1b,			/* 00011011 */
+	0x1b,			/* 00011011 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+
+	/*
+	* 245 0xf5 'õ' 
+	*/
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0xd8,			/* 11011000 */
+	0xd8,			/* 11011000 */
+	0x70,			/* 01110000 */
+
+	/*
+	* 246 0xf6 'ö' 
+	*/
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x7e,			/* 01111110 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 247 0xf7 '÷' 
+	*/
+	0x00,			/* 00000000 */
+	0x76,			/* 01110110 */
+	0xdc,			/* 11011100 */
+	0x00,			/* 00000000 */
+	0x76,			/* 01110110 */
+	0xdc,			/* 11011100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 248 0xf8 'ø' 
+	*/
+	0x38,			/* 00111000 */
+	0x6c,			/* 01101100 */
+	0x6c,			/* 01101100 */
+	0x38,			/* 00111000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 249 0xf9 'ù' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 250 0xfa 'ú' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x18,			/* 00011000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 251 0xfb 'û' 
+	*/
+	0x0f,			/* 00001111 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0x0c,			/* 00001100 */
+	0xec,			/* 11101100 */
+	0x6c,			/* 01101100 */
+	0x3c,			/* 00111100 */
+	0x1c,			/* 00011100 */
+
+	/*
+	* 252 0xfc 'ü' 
+	*/
+	0x6c,			/* 01101100 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x36,			/* 00110110 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 253 0xfd 'ý' 
+	*/
+	0x78,			/* 01111000 */
+	0x0c,			/* 00001100 */
+	0x18,			/* 00011000 */
+	0x30,			/* 00110000 */
+	0x7c,			/* 01111100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 254 0xfe 'þ' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x3c,			/* 00111100 */
+	0x3c,			/* 00111100 */
+	0x3c,			/* 00111100 */
+	0x3c,			/* 00111100 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+	/*
+	* 255 0xff ' ' 
+	*/
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+	0x00,			/* 00000000 */
+
+};
diff --git a/src/sdl2gfx/SDL_rotozoom.c b/src/sdl2gfx/SDL_rotozoom.c
new file mode 100644
index 000000000..6313f4008
--- /dev/null
+++ b/src/sdl2gfx/SDL_rotozoom.c
@@ -0,0 +1,1651 @@
+/*  
+
+SDL2_rotozoom.c: rotozoomer, zoomer and shrinker for 32bit or 8bit surfaces
+
+Copyright (C) 2012  Andreas Schiffler
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software
+in a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not be
+misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source
+distribution.
+
+Andreas Schiffler -- aschiffler at ferzkopp dot net
+
+*/
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "SDL_rotozoom.h"
+
+/* ---- Internally used structures */
+
+/*!
+\brief A 32 bit RGBA pixel.
+*/
+typedef struct tColorRGBA {
+	Uint8 r;
+	Uint8 g;
+	Uint8 b;
+	Uint8 a;
+} tColorRGBA;
+
+/*!
+\brief A 8bit Y/palette pixel.
+*/
+typedef struct tColorY {
+	Uint8 y;
+} tColorY;
+
+/*! 
+\brief Returns maximum of two numbers a and b.
+*/
+#define MAX(a,b)    (((a) > (b)) ? (a) : (b))
+
+/*! 
+\brief Number of guard rows added to destination surfaces.
+
+This is a simple but effective workaround for observed issues.
+These rows allocate extra memory and are then hidden from the surface.
+Rows are added to the end of destination surfaces when they are allocated. 
+This catches any potential overflows which seem to happen with 
+just the right src image dimensions and scale/rotation and can lead
+to a situation where the program can segfault.
+*/
+#define GUARD_ROWS (2)
+
+/*!
+\brief Lower limit of absolute zoom factor or rotation degrees.
+*/
+#define VALUE_LIMIT	0.001
+
+/*!
+\brief Returns colorkey info for a surface
+*/
+Uint32 _colorkey(SDL_Surface *src)
+{
+	Uint32 key = 0; 
+	SDL_GetColorKey(src, &key);
+	return key;
+}
+
+
+/*! 
+\brief Internal 32 bit integer-factor averaging Shrinker.
+
+Shrinks 32 bit RGBA/ABGR 'src' surface to 'dst' surface.
+Averages color and alpha values values of src pixels to calculate dst pixels.
+Assumes src and dst surfaces are of 32 bit depth.
+Assumes dst surface was allocated with the correct dimensions.
+
+\param src The surface to shrink (input).
+\param dst The shrunken surface (output).
+\param factorx The horizontal shrinking ratio.
+\param factory The vertical shrinking ratio.
+
+\return 0 for success or -1 for error.
+*/
+int _shrinkSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int factorx, int factory)
+{
+	int x, y, dx, dy, sgap, dgap, ra, ga, ba, aa;
+	int n_average;
+	tColorRGBA *sp, *osp, *oosp;
+	tColorRGBA *dp;
+
+	/*
+	* Averaging integer shrink
+	*/
+
+	/* Precalculate division factor */
+	n_average = factorx*factory;
+
+	/*
+	* Scan destination
+	*/
+	sp = (tColorRGBA *) src->pixels;
+	sgap = src->pitch - src->w * 4;
+
+	dp = (tColorRGBA *) dst->pixels;
+	dgap = dst->pitch - dst->w * 4;
+
+	for (y = 0; y < dst->h; y++) {
+
+		osp=sp;
+		for (x = 0; x < dst->w; x++) {
+
+			/* Trace out source box and accumulate */
+			oosp=sp;
+			ra=ga=ba=aa=0;
+			for (dy=0; dy < factory; dy++) {
+				for (dx=0; dx < factorx; dx++) {
+					ra += sp->r;
+					ga += sp->g;
+					ba += sp->b;
+					aa += sp->a;
+
+					sp++;
+				} 
+				/* src dx loop */
+				sp = (tColorRGBA *)((Uint8*)sp + (src->pitch - 4*factorx)); // next y
+			}
+			/* src dy loop */
+
+			/* next box-x */
+			sp = (tColorRGBA *)((Uint8*)oosp + 4*factorx);
+
+			/* Store result in destination */
+			dp->r = ra/n_average;
+			dp->g = ga/n_average;
+			dp->b = ba/n_average;
+			dp->a = aa/n_average;
+
+			/*
+			* Advance destination pointer 
+			*/
+			dp++;
+		} 
+		/* dst x loop */
+
+		/* next box-y */
+		sp = (tColorRGBA *)((Uint8*)osp + src->pitch*factory);
+
+		/*
+		* Advance destination pointers 
+		*/
+		dp = (tColorRGBA *) ((Uint8 *) dp + dgap);
+	} 
+	/* dst y loop */
+
+	return (0);
+}
+
+/*! 
+\brief Internal 8 bit integer-factor averaging shrinker.
+
+Shrinks 8bit Y 'src' surface to 'dst' surface.
+Averages color (brightness) values values of src pixels to calculate dst pixels.
+Assumes src and dst surfaces are of 8 bit depth.
+Assumes dst surface was allocated with the correct dimensions.
+
+\param src The surface to shrink (input).
+\param dst The shrunken surface (output).
+\param factorx The horizontal shrinking ratio.
+\param factory The vertical shrinking ratio.
+
+\return 0 for success or -1 for error.
+*/
+int _shrinkSurfaceY(SDL_Surface * src, SDL_Surface * dst, int factorx, int factory)
+{
+	int x, y, dx, dy, sgap, dgap, a;
+	int n_average;
+	Uint8 *sp, *osp, *oosp;
+	Uint8 *dp;
+
+	/*
+	* Averaging integer shrink
+	*/
+
+	/* Precalculate division factor */
+	n_average = factorx*factory;
+
+	/*
+	* Scan destination
+	*/
+	sp = (Uint8 *) src->pixels;
+	sgap = src->pitch - src->w;
+
+	dp = (Uint8 *) dst->pixels;
+	dgap = dst->pitch - dst->w;
+
+	for (y = 0; y < dst->h; y++) {    
+
+		osp=sp;
+		for (x = 0; x < dst->w; x++) {
+
+			/* Trace out source box and accumulate */
+			oosp=sp;
+			a=0;
+			for (dy=0; dy < factory; dy++) {
+				for (dx=0; dx < factorx; dx++) {
+					a += (*sp);
+					/* next x */           
+					sp++;
+				} 
+				/* end src dx loop */         
+				/* next y */
+				sp = (Uint8 *)((Uint8*)sp + (src->pitch - factorx)); 
+			} 
+			/* end src dy loop */
+
+			/* next box-x */
+			sp = (Uint8 *)((Uint8*)oosp + factorx);
+
+			/* Store result in destination */
+			*dp = a/n_average;
+
+			/*
+			* Advance destination pointer 
+			*/
+			dp++;
+		} 
+		/* end dst x loop */
+
+		/* next box-y */
+		sp = (Uint8 *)((Uint8*)osp + src->pitch*factory);
+
+		/*
+		* Advance destination pointers 
+		*/
+		dp = (Uint8 *)((Uint8 *)dp + dgap);
+	} 
+	/* end dst y loop */
+
+	return (0);
+}
+
+/*! 
+\brief Internal 32 bit Zoomer with optional anti-aliasing by bilinear interpolation.
+
+Zooms 32 bit RGBA/ABGR 'src' surface to 'dst' surface.
+Assumes src and dst surfaces are of 32 bit depth.
+Assumes dst surface was allocated with the correct dimensions.
+
+\param src The surface to zoom (input).
+\param dst The zoomed surface (output).
+\param flipx Flag indicating if the image should be horizontally flipped.
+\param flipy Flag indicating if the image should be vertically flipped.
+\param smooth Antialiasing flag; set to SMOOTHING_ON to enable.
+
+\return 0 for success or -1 for error.
+*/
+int _zoomSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int flipx, int flipy, int smooth)
+{
+	int x, y, sx, sy, ssx, ssy, *sax, *say, *csax, *csay, *salast, csx, csy, ex, ey, cx, cy, sstep, sstepx, sstepy;
+	tColorRGBA *c00, *c01, *c10, *c11;
+	tColorRGBA *sp, *csp, *dp;
+	int spixelgap, spixelw, spixelh, dgap, t1, t2;
+
+	/*
+	* Allocate memory for row/column increments 
+	*/
+	if ((sax = (int *) malloc((dst->w + 1) * sizeof(Uint32))) == NULL) {
+		return (-1);
+	}
+	if ((say = (int *) malloc((dst->h + 1) * sizeof(Uint32))) == NULL) {
+		free(sax);
+		return (-1);
+	}
+
+	/*
+	* Precalculate row increments 
+	*/
+	spixelw = (src->w - 1);
+	spixelh = (src->h - 1);
+	if (smooth) {
+		sx = (int) (65536.0 * (float) spixelw / (float) (dst->w - 1));
+		sy = (int) (65536.0 * (float) spixelh / (float) (dst->h - 1));
+	} else {
+		sx = (int) (65536.0 * (float) (src->w) / (float) (dst->w));
+		sy = (int) (65536.0 * (float) (src->h) / (float) (dst->h));
+	}
+
+	/* Maximum scaled source size */
+	ssx = (src->w << 16) - 1;
+	ssy = (src->h << 16) - 1;
+
+	/* Precalculate horizontal row increments */
+	csx = 0;
+	csax = sax;
+	for (x = 0; x <= dst->w; x++) {
+		*csax = csx;
+		csax++;
+		csx += sx;
+
+		/* Guard from overflows */
+		if (csx > ssx) { 
+			csx = ssx; 
+		}
+	}
+
+	/* Precalculate vertical row increments */
+	csy = 0;
+	csay = say;
+	for (y = 0; y <= dst->h; y++) {
+		*csay = csy;
+		csay++;
+		csy += sy;
+
+		/* Guard from overflows */
+		if (csy > ssy) {
+			csy = ssy;
+		}
+	}
+
+	sp = (tColorRGBA *) src->pixels;
+	dp = (tColorRGBA *) dst->pixels;
+	dgap = dst->pitch - dst->w * 4;
+	spixelgap = src->pitch/4;
+
+	if (flipx) sp += spixelw;
+	if (flipy) sp += (spixelgap * spixelh);
+
+	/*
+	* Switch between interpolating and non-interpolating code 
+	*/
+	if (smooth) {
+
+		/*
+		* Interpolating Zoom 
+		*/
+		csay = say;
+		for (y = 0; y < dst->h; y++) {
+			csp = sp;
+			csax = sax;
+			for (x = 0; x < dst->w; x++) {
+				/*
+				* Setup color source pointers 
+				*/
+				ex = (*csax & 0xffff);
+				ey = (*csay & 0xffff);
+				cx = (*csax >> 16);
+				cy = (*csay >> 16);
+				sstepx = cx < spixelw;
+				sstepy = cy < spixelh;
+				c00 = sp;
+				c01 = sp;
+				c10 = sp;
+				if (sstepy) {
+					if (flipy) {
+						c10 -= spixelgap;
+					} else {
+						c10 += spixelgap;
+					}
+				}
+				c11 = c10;
+				if (sstepx) {
+					if (flipx) {
+						c01--;
+						c11--;
+					} else {
+						c01++;
+						c11++;
+					}
+				}
+
+				/*
+				* Draw and interpolate colors 
+				*/
+				t1 = ((((c01->r - c00->r) * ex) >> 16) + c00->r) & 0xff;
+				t2 = ((((c11->r - c10->r) * ex) >> 16) + c10->r) & 0xff;
+				dp->r = (((t2 - t1) * ey) >> 16) + t1;
+				t1 = ((((c01->g - c00->g) * ex) >> 16) + c00->g) & 0xff;
+				t2 = ((((c11->g - c10->g) * ex) >> 16) + c10->g) & 0xff;
+				dp->g = (((t2 - t1) * ey) >> 16) + t1;
+				t1 = ((((c01->b - c00->b) * ex) >> 16) + c00->b) & 0xff;
+				t2 = ((((c11->b - c10->b) * ex) >> 16) + c10->b) & 0xff;
+				dp->b = (((t2 - t1) * ey) >> 16) + t1;
+				t1 = ((((c01->a - c00->a) * ex) >> 16) + c00->a) & 0xff;
+				t2 = ((((c11->a - c10->a) * ex) >> 16) + c10->a) & 0xff;
+				dp->a = (((t2 - t1) * ey) >> 16) + t1;				
+				/*
+				* Advance source pointer x
+				*/
+				salast = csax;
+				csax++;				
+				sstep = (*csax >> 16) - (*salast >> 16);
+				if (flipx) {
+					sp -= sstep;
+				} else {
+					sp += sstep;
+				}
+
+				/*
+				* Advance destination pointer x
+				*/
+				dp++;
+			}
+			/*
+			* Advance source pointer y
+			*/
+			salast = csay;
+			csay++;
+			sstep = (*csay >> 16) - (*salast >> 16);
+			sstep *= spixelgap;
+			if (flipy) { 
+				sp = csp - sstep;
+			} else {
+				sp = csp + sstep;
+			}
+
+			/*
+			* Advance destination pointer y
+			*/
+			dp = (tColorRGBA *) ((Uint8 *) dp + dgap);
+		}
+	} else {
+		/*
+		* Non-Interpolating Zoom 
+		*/		
+		csay = say;
+		for (y = 0; y < dst->h; y++) {
+			csp = sp;
+			csax = sax;
+			for (x = 0; x < dst->w; x++) {
+				/*
+				* Draw 
+				*/
+				*dp = *sp;
+
+				/*
+				* Advance source pointer x
+				*/
+				salast = csax;
+				csax++;				
+				sstep = (*csax >> 16) - (*salast >> 16);
+				if (flipx) sstep = -sstep;
+				sp += sstep;
+
+				/*
+				* Advance destination pointer x
+				*/
+				dp++;
+			}
+			/*
+			* Advance source pointer y
+			*/
+			salast = csay;
+			csay++;
+			sstep = (*csay >> 16) - (*salast >> 16);
+			sstep *= spixelgap;
+			if (flipy) sstep = -sstep;			
+			sp = csp + sstep;
+
+			/*
+			* Advance destination pointer y
+			*/
+			dp = (tColorRGBA *) ((Uint8 *) dp + dgap);
+		}
+	}
+
+	/*
+	* Remove temp arrays 
+	*/
+	free(sax);
+	free(say);
+
+	return (0);
+}
+
+/*! 
+
+\brief Internal 8 bit Zoomer without smoothing.
+
+Zooms 8bit palette/Y 'src' surface to 'dst' surface.
+Assumes src and dst surfaces are of 8 bit depth.
+Assumes dst surface was allocated with the correct dimensions.
+
+\param src The surface to zoom (input).
+\param dst The zoomed surface (output).
+\param flipx Flag indicating if the image should be horizontally flipped.
+\param flipy Flag indicating if the image should be vertically flipped.
+
+\return 0 for success or -1 for error.
+*/
+int _zoomSurfaceY(SDL_Surface * src, SDL_Surface * dst, int flipx, int flipy)
+{
+	int x, y;
+	Uint32 *sax, *say, *csax, *csay;
+	int csx, csy;
+	Uint8 *sp, *dp, *csp;
+	int dgap;
+
+	/*
+	* Allocate memory for row increments 
+	*/
+	if ((sax = (Uint32 *) malloc((dst->w + 1) * sizeof(Uint32))) == NULL) {
+		return (-1);
+	}
+	if ((say = (Uint32 *) malloc((dst->h + 1) * sizeof(Uint32))) == NULL) {
+		free(sax);
+		return (-1);
+	}
+
+	/*
+	* Pointer setup 
+	*/
+	sp = csp = (Uint8 *) src->pixels;
+	dp = (Uint8 *) dst->pixels;
+	dgap = dst->pitch - dst->w;
+
+	if (flipx) csp += (src->w-1);
+	if (flipy) csp  = ( (Uint8*)csp + src->pitch*(src->h-1) );
+
+	/*
+	* Precalculate row increments 
+	*/
+	csx = 0;
+	csax = sax;
+	for (x = 0; x < dst->w; x++) {
+		csx += src->w;
+		*csax = 0;
+		while (csx >= dst->w) {
+			csx -= dst->w;
+			(*csax)++;
+		}
+		(*csax) = (*csax) * (flipx ? -1 : 1);
+		csax++;
+	}
+	csy = 0;
+	csay = say;
+	for (y = 0; y < dst->h; y++) {
+		csy += src->h;
+		*csay = 0;
+		while (csy >= dst->h) {
+			csy -= dst->h;
+			(*csay)++;
+		}
+		(*csay) = (*csay) * (flipy ? -1 : 1);
+		csay++;
+	}
+
+	/*
+	* Draw 
+	*/
+	csay = say;
+	for (y = 0; y < dst->h; y++) {
+		csax = sax;
+		sp = csp;
+		for (x = 0; x < dst->w; x++) {
+			/*
+			* Draw 
+			*/
+			*dp = *sp;
+			/*
+			* Advance source pointers 
+			*/
+			sp += (*csax);
+			csax++;
+			/*
+			* Advance destination pointer 
+			*/
+			dp++;
+		}
+		/*
+		* Advance source pointer (for row) 
+		*/
+		csp += ((*csay) * src->pitch);
+		csay++;
+
+		/*
+		* Advance destination pointers 
+		*/
+		dp += dgap;
+	}
+
+	/*
+	* Remove temp arrays 
+	*/
+	free(sax);
+	free(say);
+
+	return (0);
+}
+
+/*! 
+\brief Internal 32 bit rotozoomer with optional anti-aliasing.
+
+Rotates and zooms 32 bit RGBA/ABGR 'src' surface to 'dst' surface based on the control 
+parameters by scanning the destination surface and applying optionally anti-aliasing
+by bilinear interpolation.
+Assumes src and dst surfaces are of 32 bit depth.
+Assumes dst surface was allocated with the correct dimensions.
+
+\param src Source surface.
+\param dst Destination surface.
+\param cx Horizontal center coordinate.
+\param cy Vertical center coordinate.
+\param isin Integer version of sine of angle.
+\param icos Integer version of cosine of angle.
+\param flipx Flag indicating horizontal mirroring should be applied.
+\param flipy Flag indicating vertical mirroring should be applied.
+\param smooth Flag indicating anti-aliasing should be used.
+*/
+void _transformSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int isin, int icos, int flipx, int flipy, int smooth)
+{
+	int x, y, t1, t2, dx, dy, xd, yd, sdx, sdy, ax, ay, ex, ey, sw, sh;
+	tColorRGBA c00, c01, c10, c11, cswap;
+	tColorRGBA *pc, *sp;
+	int gap;
+
+	/*
+	* Variable setup 
+	*/
+	xd = ((src->w - dst->w) << 15);
+	yd = ((src->h - dst->h) << 15);
+	ax = (cx << 16) - (icos * cx);
+	ay = (cy << 16) - (isin * cx);
+	sw = src->w - 1;
+	sh = src->h - 1;
+	pc = (tColorRGBA*) dst->pixels;
+	gap = dst->pitch - dst->w * 4;
+
+	/*
+	* Switch between interpolating and non-interpolating code 
+	*/
+	if (smooth) {
+		for (y = 0; y < dst->h; y++) {
+			dy = cy - y;
+			sdx = (ax + (isin * dy)) + xd;
+			sdy = (ay - (icos * dy)) + yd;
+			for (x = 0; x < dst->w; x++) {
+				dx = (sdx >> 16);
+				dy = (sdy >> 16);
+				if (flipx) dx = sw - dx;
+				if (flipy) dy = sh - dy;
+				if ((dx > -1) && (dy > -1) && (dx < (src->w-1)) && (dy < (src->h-1))) {
+					sp = (tColorRGBA *)src->pixels;;
+					sp += ((src->pitch/4) * dy);
+					sp += dx;
+					c00 = *sp;
+					sp += 1;
+					c01 = *sp;
+					sp += (src->pitch/4);
+					c11 = *sp;
+					sp -= 1;
+					c10 = *sp;
+					if (flipx) {
+						cswap = c00; c00=c01; c01=cswap;
+						cswap = c10; c10=c11; c11=cswap;
+					}
+					if (flipy) {
+						cswap = c00; c00=c10; c10=cswap;
+						cswap = c01; c01=c11; c11=cswap;
+					}
+					/*
+					* Interpolate colors 
+					*/
+					ex = (sdx & 0xffff);
+					ey = (sdy & 0xffff);
+					t1 = ((((c01.r - c00.r) * ex) >> 16) + c00.r) & 0xff;
+					t2 = ((((c11.r - c10.r) * ex) >> 16) + c10.r) & 0xff;
+					pc->r = (((t2 - t1) * ey) >> 16) + t1;
+					t1 = ((((c01.g - c00.g) * ex) >> 16) + c00.g) & 0xff;
+					t2 = ((((c11.g - c10.g) * ex) >> 16) + c10.g) & 0xff;
+					pc->g = (((t2 - t1) * ey) >> 16) + t1;
+					t1 = ((((c01.b - c00.b) * ex) >> 16) + c00.b) & 0xff;
+					t2 = ((((c11.b - c10.b) * ex) >> 16) + c10.b) & 0xff;
+					pc->b = (((t2 - t1) * ey) >> 16) + t1;
+					t1 = ((((c01.a - c00.a) * ex) >> 16) + c00.a) & 0xff;
+					t2 = ((((c11.a - c10.a) * ex) >> 16) + c10.a) & 0xff;
+					pc->a = (((t2 - t1) * ey) >> 16) + t1;
+				}
+				sdx += icos;
+				sdy += isin;
+				pc++;
+			}
+			pc = (tColorRGBA *) ((Uint8 *) pc + gap);
+		}
+	} else {
+		for (y = 0; y < dst->h; y++) {
+			dy = cy - y;
+			sdx = (ax + (isin * dy)) + xd;
+			sdy = (ay - (icos * dy)) + yd;
+			for (x = 0; x < dst->w; x++) {
+				dx = (short) (sdx >> 16);
+				dy = (short) (sdy >> 16);
+				if (flipx) dx = (src->w-1)-dx;
+				if (flipy) dy = (src->h-1)-dy;
+				if ((dx >= 0) && (dy >= 0) && (dx < src->w) && (dy < src->h)) {
+					sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy);
+					sp += dx;
+					*pc = *sp;
+				}
+				sdx += icos;
+				sdy += isin;
+				pc++;
+			}
+			pc = (tColorRGBA *) ((Uint8 *) pc + gap);
+		}
+	}
+}
+
+/*!
+
+\brief Rotates and zooms 8 bit palette/Y 'src' surface to 'dst' surface without smoothing.
+
+Rotates and zooms 8 bit RGBA/ABGR 'src' surface to 'dst' surface based on the control 
+parameters by scanning the destination surface.
+Assumes src and dst surfaces are of 8 bit depth.
+Assumes dst surface was allocated with the correct dimensions.
+
+\param src Source surface.
+\param dst Destination surface.
+\param cx Horizontal center coordinate.
+\param cy Vertical center coordinate.
+\param isin Integer version of sine of angle.
+\param icos Integer version of cosine of angle.
+\param flipx Flag indicating horizontal mirroring should be applied.
+\param flipy Flag indicating vertical mirroring should be applied.
+*/
+void transformSurfaceY(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int isin, int icos, int flipx, int flipy)
+{
+	int x, y, dx, dy, xd, yd, sdx, sdy, ax, ay, sw, sh;
+	tColorY *pc, *sp;
+	int gap;
+
+	/*
+	* Variable setup 
+	*/
+	xd = ((src->w - dst->w) << 15);
+	yd = ((src->h - dst->h) << 15);
+	ax = (cx << 16) - (icos * cx);
+	ay = (cy << 16) - (isin * cx);
+	sw = src->w - 1;
+	sh = src->h - 1;
+	pc = (tColorY*) dst->pixels;
+	gap = dst->pitch - dst->w;
+	/*
+	* Clear surface to colorkey 
+	*/ 	
+	memset(pc, (int)(_colorkey(src) & 0xff), dst->pitch * dst->h);
+	/*
+	* Iterate through destination surface 
+	*/
+	for (y = 0; y < dst->h; y++) {
+		dy = cy - y;
+		sdx = (ax + (isin * dy)) + xd;
+		sdy = (ay - (icos * dy)) + yd;
+		for (x = 0; x < dst->w; x++) {
+			dx = (short) (sdx >> 16);
+			dy = (short) (sdy >> 16);
+			if (flipx) dx = (src->w-1)-dx;
+			if (flipy) dy = (src->h-1)-dy;
+			if ((dx >= 0) && (dy >= 0) && (dx < src->w) && (dy < src->h)) {
+				sp = (tColorY *) (src->pixels);
+				sp += (src->pitch * dy + dx);
+				*pc = *sp;
+			}
+			sdx += icos;
+			sdy += isin;
+			pc++;
+		}
+		pc += gap;
+	}
+}
+
+/*!
+\brief Rotates a 32 bit surface in increments of 90 degrees.
+
+Specialized 90 degree rotator which rotates a 'src' surface in 90 degree 
+increments clockwise returning a new surface. Faster than rotozoomer since
+not scanning or interpolation takes place. Input surface must be 32 bit.
+(code contributed by J. Schiller, improved by C. Allport and A. Schiffler)
+
+\param src Source surface to rotate.
+\param numClockwiseTurns Number of clockwise 90 degree turns to apply to the source.
+
+\returns The new, rotated surface; or NULL for surfaces with incorrect input format.
+*/
+SDL_Surface* rotateSurface90Degrees(SDL_Surface* src, int numClockwiseTurns) 
+{
+	int row, col, newWidth, newHeight;
+	int bpp, src_ipr, dst_ipr;
+	SDL_Surface* dst;
+	Uint32* srcBuf;
+	Uint32* dstBuf;
+
+	/* Has to be a valid surface pointer and only 32-bit surfaces (for now) */
+	if (!src || src->format->BitsPerPixel != 32) { return NULL; }
+
+	/* normalize numClockwiseTurns */
+	while(numClockwiseTurns < 0) { numClockwiseTurns += 4; }
+	numClockwiseTurns = (numClockwiseTurns % 4);
+
+	/* if it's even, our new width will be the same as the source surface */
+	newWidth = (numClockwiseTurns % 2) ? (src->h) : (src->w);
+	newHeight = (numClockwiseTurns % 2) ? (src->w) : (src->h);
+	dst = SDL_CreateRGBSurface( src->flags, newWidth, newHeight, src->format->BitsPerPixel,
+		src->format->Rmask,
+		src->format->Gmask, 
+		src->format->Bmask, 
+		src->format->Amask);
+	if(!dst) {
+		return NULL;
+	}
+
+	if (SDL_MUSTLOCK(dst)) {
+		SDL_LockSurface(dst);
+	}
+	if (SDL_MUSTLOCK(dst)) {
+		SDL_LockSurface(dst);
+	}
+
+	/* Calculate int-per-row */
+	bpp = src->format->BitsPerPixel / 8;
+	src_ipr = src->pitch / bpp;
+	dst_ipr = dst->pitch / bpp;
+
+	switch(numClockwiseTurns) {
+	case 0: /* Make a copy of the surface */
+		{
+			/* Unfortunately SDL_BlitSurface cannot be used to make a copy of the surface
+			since it does not preserve alpha. */
+
+			if (src->pitch == dst->pitch) {
+				/* If the pitch is the same for both surfaces, the memory can be copied all at once. */
+				memcpy(dst->pixels, src->pixels, (src->h * src->pitch));
+			}
+			else
+			{
+				/* If the pitch differs, copy each row separately */
+				srcBuf = (Uint32*)(src->pixels); 
+				dstBuf = (Uint32*)(dst->pixels);
+				for (row = 0; row < src->h; row++) {
+					memcpy(dstBuf, srcBuf, dst->w * bpp);
+					srcBuf += src_ipr;
+					dstBuf += dst_ipr;
+				} /* end for(col) */
+			} /* end for(row) */
+		}
+		break;
+
+		/* rotate clockwise */
+	case 1: /* rotated 90 degrees clockwise */
+		{
+			for (row = 0; row < src->h; ++row) {
+				srcBuf = (Uint32*)(src->pixels) + (row * src_ipr);
+				dstBuf = (Uint32*)(dst->pixels) + (dst->w - row - 1);
+				for (col = 0; col < src->w; ++col) {
+					*dstBuf = *srcBuf;
+					++srcBuf;
+					dstBuf += dst_ipr;
+				} 
+				/* end for(col) */
+			} 
+			/* end for(row) */
+		}
+		break;
+
+	case 2: /* rotated 180 degrees clockwise */
+		{
+			for (row = 0; row < src->h; ++row) {
+				srcBuf = (Uint32*)(src->pixels) + (row * src_ipr);
+				dstBuf = (Uint32*)(dst->pixels) + ((dst->h - row - 1) * dst_ipr) + (dst->w - 1);
+				for (col = 0; col < src->w; ++col) {
+					*dstBuf = *srcBuf;
+					++srcBuf;
+					--dstBuf;
+				} 
+			} 
+		}
+		break;
+
+	case 3:
+		{
+			for (row = 0; row < src->h; ++row) {
+				srcBuf = (Uint32*)(src->pixels) + (row * src_ipr);
+				dstBuf = (Uint32*)(dst->pixels) + row + ((dst->h - 1) * dst_ipr);
+				for (col = 0; col < src->w; ++col) {
+					*dstBuf = *srcBuf;
+					++srcBuf;
+					dstBuf -= dst_ipr;
+				} 
+			} 
+		}
+		break;
+	} 
+	/* end switch */
+
+	if (SDL_MUSTLOCK(src)) {
+		SDL_UnlockSurface(src);
+	}
+	if (SDL_MUSTLOCK(dst)) {
+		SDL_UnlockSurface(dst);
+	}
+
+	return dst;
+}
+
+
+/*!
+\brief Internal target surface sizing function for rotozooms with trig result return. 
+
+\param width The source surface width.
+\param height The source surface height.
+\param angle The angle to rotate in degrees.
+\param zoomx The horizontal scaling factor.
+\param zoomy The vertical scaling factor.
+\param dstwidth The calculated width of the destination surface.
+\param dstheight The calculated height of the destination surface.
+\param canglezoom The sine of the angle adjusted by the zoom factor.
+\param sanglezoom The cosine of the angle adjusted by the zoom factor.
+
+*/
+void _rotozoomSurfaceSizeTrig(int width, int height, double angle, double zoomx, double zoomy, 
+	int *dstwidth, int *dstheight, 
+	double *canglezoom, double *sanglezoom)
+{
+	double x, y, cx, cy, sx, sy;
+	double radangle;
+	int dstwidthhalf, dstheighthalf;
+
+	/*
+	* Determine destination width and height by rotating a centered source box 
+	*/
+	radangle = angle * (M_PI / 180.0);
+	*sanglezoom = sin(radangle);
+	*canglezoom = cos(radangle);
+	*sanglezoom *= zoomx;
+	*canglezoom *= zoomx;
+	x = (double)(width / 2);
+	y = (double)(height / 2);
+	cx = *canglezoom * x;
+	cy = *canglezoom * y;
+	sx = *sanglezoom * x;
+	sy = *sanglezoom * y;
+
+	dstwidthhalf = MAX((int)
+		ceil(MAX(MAX(MAX(fabs(cx + sy), fabs(cx - sy)), fabs(-cx + sy)), fabs(-cx - sy))), 1);
+	dstheighthalf = MAX((int)
+		ceil(MAX(MAX(MAX(fabs(sx + cy), fabs(sx - cy)), fabs(-sx + cy)), fabs(-sx - cy))), 1);
+	*dstwidth = 2 * dstwidthhalf;
+	*dstheight = 2 * dstheighthalf;
+}
+
+/*! 
+\brief Returns the size of the resulting target surface for a rotozoomSurfaceXY() call. 
+
+\param width The source surface width.
+\param height The source surface height.
+\param angle The angle to rotate in degrees.
+\param zoomx The horizontal scaling factor.
+\param zoomy The vertical scaling factor.
+\param dstwidth The calculated width of the rotozoomed destination surface.
+\param dstheight The calculated height of the rotozoomed destination surface.
+*/
+void rotozoomSurfaceSizeXY(int width, int height, double angle, double zoomx, double zoomy, int *dstwidth, int *dstheight)
+{
+	double dummy_sanglezoom, dummy_canglezoom;
+
+	_rotozoomSurfaceSizeTrig(width, height, angle, zoomx, zoomy, dstwidth, dstheight, &dummy_sanglezoom, &dummy_canglezoom);
+}
+
+/*! 
+\brief Returns the size of the resulting target surface for a rotozoomSurface() call. 
+
+\param width The source surface width.
+\param height The source surface height.
+\param angle The angle to rotate in degrees.
+\param zoom The scaling factor.
+\param dstwidth The calculated width of the rotozoomed destination surface.
+\param dstheight The calculated height of the rotozoomed destination surface.
+*/
+void rotozoomSurfaceSize(int width, int height, double angle, double zoom, int *dstwidth, int *dstheight)
+{
+	double dummy_sanglezoom, dummy_canglezoom;
+
+	_rotozoomSurfaceSizeTrig(width, height, angle, zoom, zoom, dstwidth, dstheight, &dummy_sanglezoom, &dummy_canglezoom);
+}
+
+/*!
+\brief Rotates and zooms a surface and optional anti-aliasing. 
+
+Rotates and zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
+'angle' is the rotation in degrees and 'zoom' a scaling factor. If 'smooth' is set
+then the destination 32bit surface is anti-aliased. If the surface is not 8bit
+or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
+
+\param src The surface to rotozoom.
+\param angle The angle to rotate in degrees.
+\param zoom The scaling factor.
+\param smooth Antialiasing flag; set to SMOOTHING_ON to enable.
+
+\return The new rotozoomed surface.
+*/
+SDL_Surface *rotozoomSurface(SDL_Surface * src, double angle, double zoom, int smooth)
+{
+	return rotozoomSurfaceXY(src, angle, zoom, zoom, smooth);
+}
+
+/*!
+\brief Rotates and zooms a surface with different horizontal and vertival scaling factors and optional anti-aliasing. 
+
+Rotates and zooms a 32bit or 8bit 'src' surface to newly created 'dst' surface.
+'angle' is the rotation in degrees, 'zoomx and 'zoomy' scaling factors. If 'smooth' is set
+then the destination 32bit surface is anti-aliased. If the surface is not 8bit
+or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
+
+\param src The surface to rotozoom.
+\param angle The angle to rotate in degrees.
+\param zoomx The horizontal scaling factor.
+\param zoomy The vertical scaling factor.
+\param smooth Antialiasing flag; set to SMOOTHING_ON to enable.
+
+\return The new rotozoomed surface.
+*/
+SDL_Surface *rotozoomSurfaceXY(SDL_Surface * src, double angle, double zoomx, double zoomy, int smooth)
+{
+	SDL_Surface *rz_src;
+	SDL_Surface *rz_dst;
+	double zoominv;
+	double sanglezoom, canglezoom, sanglezoominv, canglezoominv;
+	int dstwidthhalf, dstwidth, dstheighthalf, dstheight;
+	int is32bit;
+	int i, src_converted;
+	int flipx,flipy;
+
+	/*
+	* Sanity check 
+	*/
+	if (src == NULL) {
+		return (NULL);
+	}
+
+	/*
+	* Determine if source surface is 32bit or 8bit 
+	*/
+	is32bit = (src->format->BitsPerPixel == 32);
+	if ((is32bit) || (src->format->BitsPerPixel == 8)) {
+		/*
+		* Use source surface 'as is' 
+		*/
+		rz_src = src;
+		src_converted = 0;
+	} else {
+		/*
+		* New source surface is 32bit with a defined RGBA ordering 
+		*/
+		rz_src =
+			SDL_CreateRGBSurface(SDL_SWSURFACE, src->w, src->h, 32, 
+#if SDL_BYTEORDER == SDL_LIL_ENDIAN
+			0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000
+#else
+			0xff000000,  0x00ff0000, 0x0000ff00, 0x000000ff
+#endif
+			);
+
+		SDL_BlitSurface(src, NULL, rz_src, NULL);
+
+		src_converted = 1;
+		is32bit = 1;
+	}
+
+	/*
+	* Sanity check zoom factor 
+	*/
+	flipx = (zoomx<0.0);
+	if (flipx) zoomx=-zoomx;
+	flipy = (zoomy<0.0);
+	if (flipy) zoomy=-zoomy;
+	if (zoomx < VALUE_LIMIT) zoomx = VALUE_LIMIT;
+	if (zoomy < VALUE_LIMIT) zoomy = VALUE_LIMIT;
+	zoominv = 65536.0 / (zoomx * zoomx);
+
+	/*
+	* Check if we have a rotozoom or just a zoom 
+	*/
+	if (fabs(angle) > VALUE_LIMIT) {
+
+		/*
+		* Angle!=0: full rotozoom 
+		*/
+		/*
+		* ----------------------- 
+		*/
+
+		/* Determine target size */
+		_rotozoomSurfaceSizeTrig(rz_src->w, rz_src->h, angle, zoomx, zoomy, &dstwidth, &dstheight, &canglezoom, &sanglezoom);
+
+		/*
+		* Calculate target factors from sin/cos and zoom 
+		*/
+		sanglezoominv = sanglezoom;
+		canglezoominv = canglezoom;
+		sanglezoominv *= zoominv;
+		canglezoominv *= zoominv;
+
+		/* Calculate half size */
+		dstwidthhalf = dstwidth / 2;
+		dstheighthalf = dstheight / 2;
+
+		/*
+		* Alloc space to completely contain the rotated surface 
+		*/
+		rz_dst = NULL;
+		if (is32bit) {
+			/*
+			* Target surface is 32bit with source RGBA/ABGR ordering 
+			*/
+			rz_dst =
+				SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight + GUARD_ROWS, 32,
+				rz_src->format->Rmask, rz_src->format->Gmask,
+				rz_src->format->Bmask, rz_src->format->Amask);
+		} else {
+			/*
+			* Target surface is 8bit 
+			*/
+			rz_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight + GUARD_ROWS, 8, 0, 0, 0, 0);
+		}
+
+		/* Check target */
+		if (rz_dst == NULL)
+			return NULL;
+
+		/* Adjust for guard rows */
+		rz_dst->h = dstheight;
+
+		/*
+		* Lock source surface 
+		*/
+		if (SDL_MUSTLOCK(rz_src)) {
+			SDL_LockSurface(rz_src);
+		}
+
+		/*
+		* Check which kind of surface we have 
+		*/
+		if (is32bit) {
+			/*
+			* Call the 32bit transformation routine to do the rotation (using alpha) 
+			*/
+			_transformSurfaceRGBA(rz_src, rz_dst, dstwidthhalf, dstheighthalf,
+				(int) (sanglezoominv), (int) (canglezoominv), 
+				flipx, flipy,
+				smooth);
+		} else {
+			/*
+			* Copy palette and colorkey info 
+			*/
+			for (i = 0; i < rz_src->format->palette->ncolors; i++) {
+				rz_dst->format->palette->colors[i] = rz_src->format->palette->colors[i];
+			}
+			rz_dst->format->palette->ncolors = rz_src->format->palette->ncolors;
+			/*
+			* Call the 8bit transformation routine to do the rotation 
+			*/
+			transformSurfaceY(rz_src, rz_dst, dstwidthhalf, dstheighthalf,
+				(int) (sanglezoominv), (int) (canglezoominv),
+				flipx, flipy);
+		}
+		/*
+		* Unlock source surface 
+		*/
+		if (SDL_MUSTLOCK(rz_src)) {
+			SDL_UnlockSurface(rz_src);
+		}
+
+	} else {
+
+		/*
+		* Angle=0: Just a zoom 
+		*/
+		/*
+		* -------------------- 
+		*/
+
+		/*
+		* Calculate target size
+		*/
+		zoomSurfaceSize(rz_src->w, rz_src->h, zoomx, zoomy, &dstwidth, &dstheight);
+
+		/*
+		* Alloc space to completely contain the zoomed surface 
+		*/
+		rz_dst = NULL;
+		if (is32bit) {
+			/*
+			* Target surface is 32bit with source RGBA/ABGR ordering 
+			*/
+			rz_dst =
+				SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight + GUARD_ROWS, 32,
+				rz_src->format->Rmask, rz_src->format->Gmask,
+				rz_src->format->Bmask, rz_src->format->Amask);
+		} else {
+			/*
+			* Target surface is 8bit 
+			*/
+			rz_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight + GUARD_ROWS, 8, 0, 0, 0, 0);
+		}
+
+		/* Check target */
+		if (rz_dst == NULL)
+			return NULL;
+
+		/* Adjust for guard rows */
+		rz_dst->h = dstheight;
+
+		/*
+		* Lock source surface 
+		*/
+		if (SDL_MUSTLOCK(rz_src)) {
+			SDL_LockSurface(rz_src);
+		}
+
+		/*
+		* Check which kind of surface we have 
+		*/
+		if (is32bit) {
+			/*
+			* Call the 32bit transformation routine to do the zooming (using alpha) 
+			*/
+			_zoomSurfaceRGBA(rz_src, rz_dst, flipx, flipy, smooth);
+
+		} else {
+			/*
+			* Copy palette and colorkey info 
+			*/
+			for (i = 0; i < rz_src->format->palette->ncolors; i++) {
+				rz_dst->format->palette->colors[i] = rz_src->format->palette->colors[i];
+			}
+			rz_dst->format->palette->ncolors = rz_src->format->palette->ncolors;
+
+			/*
+			* Call the 8bit transformation routine to do the zooming 
+			*/
+			_zoomSurfaceY(rz_src, rz_dst, flipx, flipy);
+		}
+
+		/*
+		* Unlock source surface 
+		*/
+		if (SDL_MUSTLOCK(rz_src)) {
+			SDL_UnlockSurface(rz_src);
+		}
+	}
+
+	/*
+	* Cleanup temp surface 
+	*/
+	if (src_converted) {
+		SDL_FreeSurface(rz_src);
+	}
+
+	/*
+	* Return destination surface 
+	*/
+	return (rz_dst);
+}
+
+/*!
+\brief Calculates the size of the target surface for a zoomSurface() call.
+
+The minimum size of the target surface is 1. The input factors can be positive or negative.
+
+\param width The width of the source surface to zoom.
+\param height The height of the source surface to zoom.
+\param zoomx The horizontal zoom factor.
+\param zoomy The vertical zoom factor.
+\param dstwidth Pointer to an integer to store the calculated width of the zoomed target surface.
+\param dstheight Pointer to an integer to store the calculated height of the zoomed target surface.
+*/
+void zoomSurfaceSize(int width, int height, double zoomx, double zoomy, int *dstwidth, int *dstheight)
+{
+	/*
+	* Make zoom factors positive 
+	*/
+	int flipx, flipy;
+	flipx = (zoomx<0.0);
+	if (flipx) zoomx = -zoomx;
+	flipy = (zoomy<0.0);
+	if (flipy) zoomy = -zoomy;
+
+	/*
+	* Sanity check zoom factors 
+	*/
+	if (zoomx < VALUE_LIMIT) {
+		zoomx = VALUE_LIMIT;
+	}
+	if (zoomy < VALUE_LIMIT) {
+		zoomy = VALUE_LIMIT;
+	}
+
+	/*
+	* Calculate target size 
+	*/
+	*dstwidth = (int) floor(((double) width * zoomx) + 0.5);
+	*dstheight = (int) floor(((double) height * zoomy) + 0.5);
+	if (*dstwidth < 1) {
+		*dstwidth = 1;
+	}
+	if (*dstheight < 1) {
+		*dstheight = 1;
+	}
+}
+
+/*! 
+\brief Zoom a surface by independent horizontal and vertical factors with optional smoothing.
+
+Zooms a 32bit or 8bit 'src' surface to newly created 'dst' surface.
+'zoomx' and 'zoomy' are scaling factors for width and height. If 'smooth' is on
+then the destination 32bit surface is anti-aliased. If the surface is not 8bit
+or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
+If zoom factors are negative, the image is flipped on the axes.
+
+\param src The surface to zoom.
+\param zoomx The horizontal zoom factor.
+\param zoomy The vertical zoom factor.
+\param smooth Antialiasing flag; set to SMOOTHING_ON to enable.
+
+\return The new, zoomed surface.
+*/
+SDL_Surface *zoomSurface(SDL_Surface * src, double zoomx, double zoomy, int smooth)
+{
+	SDL_Surface *rz_src;
+	SDL_Surface *rz_dst;
+	int dstwidth, dstheight;
+	int is32bit;
+	int i, src_converted;
+	int flipx, flipy;
+
+	/*
+	* Sanity check 
+	*/
+	if (src == NULL)
+		return (NULL);
+
+	/*
+	* Determine if source surface is 32bit or 8bit 
+	*/
+	is32bit = (src->format->BitsPerPixel == 32);
+	if ((is32bit) || (src->format->BitsPerPixel == 8)) {
+		/*
+		* Use source surface 'as is' 
+		*/
+		rz_src = src;
+		src_converted = 0;
+	} else {
+		/*
+		* New source surface is 32bit with a defined RGBA ordering 
+		*/
+		rz_src =
+			SDL_CreateRGBSurface(SDL_SWSURFACE, src->w, src->h, 32, 
+#if SDL_BYTEORDER == SDL_LIL_ENDIAN
+			0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000
+#else
+			0xff000000,  0x00ff0000, 0x0000ff00, 0x000000ff
+#endif
+			);
+		if (rz_src == NULL) {
+			return NULL;
+		}
+		SDL_BlitSurface(src, NULL, rz_src, NULL);
+		src_converted = 1;
+		is32bit = 1;
+	}
+
+	flipx = (zoomx<0.0);
+	if (flipx) zoomx = -zoomx;
+	flipy = (zoomy<0.0);
+	if (flipy) zoomy = -zoomy;
+
+	/* Get size if target */
+	zoomSurfaceSize(rz_src->w, rz_src->h, zoomx, zoomy, &dstwidth, &dstheight);
+
+	/*
+	* Alloc space to completely contain the zoomed surface 
+	*/
+	rz_dst = NULL;
+	if (is32bit) {
+		/*
+		* Target surface is 32bit with source RGBA/ABGR ordering 
+		*/
+		rz_dst =
+			SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight + GUARD_ROWS, 32,
+			rz_src->format->Rmask, rz_src->format->Gmask,
+			rz_src->format->Bmask, rz_src->format->Amask);
+	} else {
+		/*
+		* Target surface is 8bit 
+		*/
+		rz_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight + GUARD_ROWS, 8, 0, 0, 0, 0);
+	}
+
+	/* Check target */
+	if (rz_dst == NULL) {
+		/*
+		* Cleanup temp surface 
+		*/
+		if (src_converted) {
+			SDL_FreeSurface(rz_src);
+		}		
+		return NULL;
+	}
+
+	/* Adjust for guard rows */
+	rz_dst->h = dstheight;
+
+	/*
+	* Lock source surface 
+	*/
+	if (SDL_MUSTLOCK(rz_src)) {
+		SDL_LockSurface(rz_src);
+	}
+
+	/*
+	* Check which kind of surface we have 
+	*/
+	if (is32bit) {
+		/*
+		* Call the 32bit transformation routine to do the zooming (using alpha) 
+		*/
+		_zoomSurfaceRGBA(rz_src, rz_dst, flipx, flipy, smooth);
+	} else {
+		/*
+		* Copy palette and colorkey info 
+		*/
+		for (i = 0; i < rz_src->format->palette->ncolors; i++) {
+			rz_dst->format->palette->colors[i] = rz_src->format->palette->colors[i];
+		}
+		rz_dst->format->palette->ncolors = rz_src->format->palette->ncolors;
+		/*
+		* Call the 8bit transformation routine to do the zooming 
+		*/
+		_zoomSurfaceY(rz_src, rz_dst, flipx, flipy);
+	}
+	/*
+	* Unlock source surface 
+	*/
+	if (SDL_MUSTLOCK(rz_src)) {
+		SDL_UnlockSurface(rz_src);
+	}
+
+	/*
+	* Cleanup temp surface 
+	*/
+	if (src_converted) {
+		SDL_FreeSurface(rz_src);
+	}
+
+	/*
+	* Return destination surface 
+	*/
+	return (rz_dst);
+}
+
+/*! 
+\brief Shrink a surface by an integer ratio using averaging.
+
+Shrinks a 32bit or 8bit 'src' surface to a newly created 'dst' surface.
+'factorx' and 'factory' are the shrinking ratios (i.e. 2=1/2 the size,
+3=1/3 the size, etc.) The destination surface is antialiased by averaging
+the source box RGBA or Y information. If the surface is not 8bit
+or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
+The input surface is not modified. The output surface is newly allocated.
+
+\param src The surface to shrink.
+\param factorx The horizontal shrinking ratio.
+\param factory The vertical shrinking ratio.
+
+\return The new, shrunken surface.
+*/
+/*@null@*/ 
+SDL_Surface *shrinkSurface(SDL_Surface *src, int factorx, int factory)
+{
+	int result;
+	SDL_Surface *rz_src;
+	SDL_Surface *rz_dst = NULL;
+	int dstwidth, dstheight;
+	int is32bit;
+	int i, src_converted;
+	int haveError = 0;
+
+	/*
+	* Sanity check 
+	*/
+	if (src == NULL) {
+		return (NULL);
+	}
+
+	/*
+	* Determine if source surface is 32bit or 8bit 
+	*/
+	is32bit = (src->format->BitsPerPixel == 32);
+	if ((is32bit) || (src->format->BitsPerPixel == 8)) {
+		/*
+		* Use source surface 'as is' 
+		*/
+		rz_src = src;
+		src_converted = 0;
+	} else {
+		/*
+		* New source surface is 32bit with a defined RGBA ordering 
+		*/
+		rz_src = SDL_CreateRGBSurface(SDL_SWSURFACE, src->w, src->h, 32, 
+#if SDL_BYTEORDER == SDL_LIL_ENDIAN
+			0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000
+#else
+			0xff000000,  0x00ff0000, 0x0000ff00, 0x000000ff
+#endif
+			);
+		if (rz_src==NULL) {
+			haveError = 1;
+			goto exitShrinkSurface;
+		}
+
+		SDL_BlitSurface(src, NULL, rz_src, NULL);
+		src_converted = 1;
+		is32bit = 1;
+	}
+
+	/*
+	* Lock the surface 
+	*/
+	if (SDL_MUSTLOCK(rz_src)) {
+		if (SDL_LockSurface(rz_src) < 0) {
+			haveError = 1;
+			goto exitShrinkSurface;
+		}
+	}
+
+	/* Get size for target */
+	dstwidth=rz_src->w/factorx;
+	while (dstwidth*factorx>rz_src->w) { dstwidth--; }
+	dstheight=rz_src->h/factory;
+	while (dstheight*factory>rz_src->h) { dstheight--; }
+
+	/*
+	* Alloc space to completely contain the shrunken surface
+	* (with added guard rows)
+	*/
+	if (is32bit==1) {
+		/*
+		* Target surface is 32bit with source RGBA/ABGR ordering 
+		*/
+		rz_dst =
+			SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight + GUARD_ROWS, 32,
+			rz_src->format->Rmask, rz_src->format->Gmask,
+			rz_src->format->Bmask, rz_src->format->Amask);
+	} else {
+		/*
+		* Target surface is 8bit 
+		*/
+		rz_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight + GUARD_ROWS, 8, 0, 0, 0, 0);
+	}
+
+	/* Check target */
+	if (rz_dst == NULL) {
+		haveError = 1;
+		goto exitShrinkSurface;
+	}
+
+	/* Adjust for guard rows */
+	rz_dst->h = dstheight;
+
+	/*
+	* Check which kind of surface we have 
+	*/
+	if (is32bit==1) {
+		/*
+		* Call the 32bit transformation routine to do the shrinking (using alpha) 
+		*/
+		result = _shrinkSurfaceRGBA(rz_src, rz_dst, factorx, factory);		
+		if ((result!=0) || (rz_dst==NULL)) {
+			haveError = 1;
+			goto exitShrinkSurface;
+		}
+	} else {
+		/*
+		* Copy palette and colorkey info 
+		*/
+		for (i = 0; i < rz_src->format->palette->ncolors; i++) {
+			rz_dst->format->palette->colors[i] = rz_src->format->palette->colors[i];
+		}
+		rz_dst->format->palette->ncolors = rz_src->format->palette->ncolors;
+		/*
+		* Call the 8bit transformation routine to do the shrinking 
+		*/
+		result = _shrinkSurfaceY(rz_src, rz_dst, factorx, factory);
+		if (result!=0) {
+			haveError = 1;
+			goto exitShrinkSurface;
+		}
+	}
+
+exitShrinkSurface:
+	if (rz_src!=NULL) {
+		/*
+		* Unlock source surface 
+		*/
+		if (SDL_MUSTLOCK(rz_src)) {
+			SDL_UnlockSurface(rz_src);
+		}
+
+		/*
+		* Cleanup temp surface 
+		*/
+		if (src_converted==1) {
+			SDL_FreeSurface(rz_src);
+		}
+	}
+
+	/* Check error state; maybe need to cleanup destination */
+	if (haveError==1) {
+		if (rz_dst!=NULL) {
+			SDL_FreeSurface(rz_dst);
+		}
+		rz_dst=NULL;
+	} 
+
+	/*
+	* Return destination surface 
+	*/
+	return (rz_dst);
+}
diff --git a/src/sdl2gfx/SDL_rotozoom.h b/src/sdl2gfx/SDL_rotozoom.h
new file mode 100644
index 000000000..f4c236ba4
--- /dev/null
+++ b/src/sdl2gfx/SDL_rotozoom.h
@@ -0,0 +1,123 @@
+/*  
+
+SDL2_rotozoom.c: rotozoomer, zoomer and shrinker for 32bit or 8bit surfaces
+
+Copyright (C) 2001-2012  Andreas Schiffler
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software
+in a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not be
+misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source
+distribution.
+
+Andreas Schiffler -- aschiffler at ferzkopp dot net
+
+*/
+
+#ifndef _SDL2_rotozoom_h
+#define _SDL2_rotozoom_h
+
+#include <math.h>
+
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef M_PI
+#define M_PI	3.1415926535897932384626433832795
+#endif
+
+#include "SDL.h"
+
+	/* ---- Defines */
+
+	/*!
+	\brief Disable anti-aliasing (no smoothing).
+	*/
+#define SMOOTHING_OFF		0
+
+	/*!
+	\brief Enable anti-aliasing (smoothing).
+	*/
+#define SMOOTHING_ON		1
+
+	/* ---- Function Prototypes */
+
+#ifdef _MSC_VER
+#  if defined(DLL_EXPORT) && !defined(LIBSDL2_GFX_DLL_IMPORT)
+#    define SDL2_ROTOZOOM_SCOPE __declspec(dllexport)
+#  else
+#    ifdef LIBSDL2_GFX_DLL_IMPORT
+#      define SDL2_ROTOZOOM_SCOPE __declspec(dllimport)
+#    endif
+#  endif
+#endif
+#ifndef SDL2_ROTOZOOM_SCOPE
+#  define SDL2_ROTOZOOM_SCOPE extern
+#endif
+
+	/* 
+
+	Rotozoom functions
+
+	*/
+
+	SDL2_ROTOZOOM_SCOPE SDL_Surface *rotozoomSurface(SDL_Surface * src, double angle, double zoom, int smooth);
+
+	SDL2_ROTOZOOM_SCOPE SDL_Surface *rotozoomSurfaceXY
+		(SDL_Surface * src, double angle, double zoomx, double zoomy, int smooth);
+
+
+	SDL2_ROTOZOOM_SCOPE void rotozoomSurfaceSize(int width, int height, double angle, double zoom, int *dstwidth,
+		int *dstheight);
+
+	SDL2_ROTOZOOM_SCOPE void rotozoomSurfaceSizeXY
+		(int width, int height, double angle, double zoomx, double zoomy, 
+		int *dstwidth, int *dstheight);
+
+	/* 
+
+	Zooming functions
+
+	*/
+
+	SDL2_ROTOZOOM_SCOPE SDL_Surface *zoomSurface(SDL_Surface * src, double zoomx, double zoomy, int smooth);
+
+	SDL2_ROTOZOOM_SCOPE void zoomSurfaceSize(int width, int height, double zoomx, double zoomy, int *dstwidth, int *dstheight);
+
+	/* 
+
+	Shrinking functions
+
+	*/     
+
+	SDL2_ROTOZOOM_SCOPE SDL_Surface *shrinkSurface(SDL_Surface * src, int factorx, int factory);
+
+	/* 
+
+	Specialized rotation functions
+
+	*/
+
+	SDL2_ROTOZOOM_SCOPE SDL_Surface* rotateSurface90Degrees(SDL_Surface* src, int numClockwiseTurns);
+
+	/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+
+#endif				/* _SDL2_rotozoom_h */