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-rwxr-xr-xbuild/bmake3
-rw-r--r--src/Makefile.am7
-rw-r--r--src/sdl2gfx/SDL_framerate.c189
-rw-r--r--src/sdl2gfx/SDL_framerate.h100
-rw-r--r--src/sdl2gfx/SDL_gfxPrimitives.c4295
-rw-r--r--src/sdl2gfx/SDL_gfxPrimitives.h241
-rw-r--r--src/sdl2gfx/SDL_gfxPrimitives_font.h3082
-rw-r--r--src/sdl2gfx/SDL_rotozoom.c1651
-rw-r--r--src/sdl2gfx/SDL_rotozoom.h123
9 files changed, 9690 insertions, 1 deletions
diff --git a/build/bmake b/build/bmake
index 7e5076655..e095494c9 100755
--- a/build/bmake
+++ b/build/bmake
@@ -45,7 +45,8 @@ autoreconf -i
--with-internalguichan=yes \
--enable-tcmalloc=no \
--enable-googleprofiler=no \
---enable-eathena=yes
+--enable-eathena=yes \
+--with-sdl2
cd po
make -j5 update-gmo 2>../build/make1.log
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 */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-06 22:22:09 +0000