summaryrefslogtreecommitdiff
path: root/src/guichan/include/guichan/sdl
diff options
context:
space:
mode:
Diffstat (limited to 'src/guichan/include/guichan/sdl')
-rw-r--r--src/guichan/include/guichan/sdl/sdlgraphics.hpp156
-rw-r--r--src/guichan/include/guichan/sdl/sdlimage.hpp107
-rw-r--r--src/guichan/include/guichan/sdl/sdlpixel.hpp281
3 files changed, 544 insertions, 0 deletions
diff --git a/src/guichan/include/guichan/sdl/sdlgraphics.hpp b/src/guichan/include/guichan/sdl/sdlgraphics.hpp
new file mode 100644
index 000000000..70a234d33
--- /dev/null
+++ b/src/guichan/include/guichan/sdl/sdlgraphics.hpp
@@ -0,0 +1,156 @@
+/* _______ __ __ __ ______ __ __ _______ __ __
+ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
+ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
+ * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef GCN_SDLGRAPHICS_HPP
+#define GCN_SDLGRAPHICS_HPP
+
+#include "SDL.h"
+
+#include "guichan/color.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/platform.hpp"
+
+namespace gcn
+{
+ class Image;
+ class Rectangle;
+
+ /**
+ * SDL implementation of the Graphics.
+ */
+ class GCN_EXTENSION_DECLSPEC SDLGraphics : public Graphics
+ {
+ public:
+
+ // Needed so that drawImage(gcn::Image *, int, int) is visible.
+ using Graphics::drawImage;
+
+ /**
+ * Constructor.
+ */
+ SDLGraphics();
+
+ /**
+ * Sets the target SDL_Surface to draw to. The target can be any
+ * SDL_Surface. This funtion also pushes a clip areas corresponding to
+ * the dimension of the target.
+ *
+ * @param target the target to draw to.
+ */
+ virtual void setTarget(SDL_Surface* target);
+
+ /**
+ * Gets the target SDL_Surface.
+ *
+ * @return the target SDL_Surface.
+ */
+ virtual SDL_Surface* getTarget() const;
+
+ /**
+ * Draws an SDL_Surface on the target surface. Normaly you'll
+ * use drawImage, but if you want to write SDL specific code
+ * this function might come in handy.
+ *
+ * NOTE: The clip areas will be taken into account.
+ */
+ virtual void drawSDLSurface(SDL_Surface* surface,
+ SDL_Rect source,
+ SDL_Rect destination);
+
+
+ // Inherited from Graphics
+
+ virtual void _beginDraw();
+
+ virtual void _endDraw();
+
+ virtual bool pushClipArea(Rectangle area);
+
+ virtual void popClipArea();
+
+ virtual void drawImage(const Image* image,
+ int srcX,
+ int srcY,
+ int dstX,
+ int dstY,
+ int width,
+ int height);
+
+ virtual void drawPoint(int x, int y);
+
+ virtual void drawLine(int x1, int y1, int x2, int y2);
+
+ virtual void drawRectangle(const Rectangle& rectangle);
+
+ virtual void fillRectangle(const Rectangle& rectangle);
+
+ virtual void setColor(const Color& color);
+
+ virtual const Color& getColor() const;
+
+ protected:
+ /**
+ * Draws a horizontal line.
+ *
+ * @param x1 the start coordinate of the line.
+ * @param y the y coordinate of the line.
+ * @param x2 the end coordinate of the line.
+ */
+ virtual void drawHLine(int x1, int y, int x2);
+
+ /**
+ * Draws a vertical line.
+ *
+ * @param x the x coordinate of the line.
+ * @param y1 the start coordinate of the line.
+ * @param y2 the end coordinate of the line.
+ */
+ virtual void drawVLine(int x, int y1, int y2);
+
+ SDL_Surface* mTarget;
+ Color mColor;
+ bool mAlpha;
+ };
+}
+
+#endif // end GCN_SDLGRAPHICS_HPP
diff --git a/src/guichan/include/guichan/sdl/sdlimage.hpp b/src/guichan/include/guichan/sdl/sdlimage.hpp
new file mode 100644
index 000000000..4d226177e
--- /dev/null
+++ b/src/guichan/include/guichan/sdl/sdlimage.hpp
@@ -0,0 +1,107 @@
+/* _______ __ __ __ ______ __ __ _______ __ __
+ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
+ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
+ * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef GCN_SDLIMAGE_HPP
+#define GCN_SDLIMAGE_HPP
+
+#include "SDL.h"
+
+#include <string>
+
+#include "guichan/color.hpp"
+#include "guichan/platform.hpp"
+#include "guichan/image.hpp"
+
+namespace gcn
+{
+ /**
+ * SDL implementation of Image.
+ */
+ class GCN_EXTENSION_DECLSPEC SDLImage : public Image
+ {
+ public:
+ /**
+ * Constructor. Load an image from an SDL surface.
+ *
+ * NOTE: The functions getPixel and putPixel are only guaranteed to work
+ * before an image has been converted to display format.
+ *
+ * @param surface the surface from which to load.
+ * @param autoFree true if the surface should automatically be deleted.
+ */
+ SDLImage(SDL_Surface* surface, bool autoFree);
+
+ /**
+ * Destructor.
+ */
+ virtual ~SDLImage();
+
+ /**
+ * Gets the SDL surface for the image.
+ *
+ * @return the SDL surface for the image.
+ */
+ virtual SDL_Surface* getSurface() const;
+
+
+ // Inherited from Image
+
+ virtual void free();
+
+ virtual int getWidth() const;
+
+ virtual int getHeight() const;
+
+ virtual Color getPixel(int x, int y);
+
+ virtual void putPixel(int x, int y, const Color& color);
+
+ virtual void convertToDisplayFormat();
+
+ protected:
+ SDL_Surface* mSurface;
+ bool mAutoFree;
+ };
+}
+
+#endif // end GCN_SDLIMAGE_HPP
diff --git a/src/guichan/include/guichan/sdl/sdlpixel.hpp b/src/guichan/include/guichan/sdl/sdlpixel.hpp
new file mode 100644
index 000000000..675b10fcd
--- /dev/null
+++ b/src/guichan/include/guichan/sdl/sdlpixel.hpp
@@ -0,0 +1,281 @@
+/* _______ __ __ __ ______ __ __ _______ __ __
+ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
+ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
+ * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef GCN_SDLPIXEL_HPP
+#define GCN_SDLPIXEL_HPP
+
+#include "SDL.h"
+#include "guichan/color.hpp"
+
+namespace gcn
+{
+
+ /**
+ * Checks a pixels color of an SDL_Surface.
+ *
+ * @param surface an SDL_Surface where to check for a pixel color.
+ * @param x the x coordinate on the surface.
+ * @param y the y coordinate on the surface.
+ * @return a color of a pixel.
+ */
+ inline const Color SDLgetPixel(SDL_Surface* surface, int x, int y)
+ {
+ int bpp = surface->format->BytesPerPixel;
+
+ SDL_LockSurface(surface);
+
+ Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
+
+ unsigned int color = 0;
+
+ switch(bpp)
+ {
+ case 1:
+ color = *p;
+ break;
+
+ case 2:
+ color = *(Uint16 *)p;
+ break;
+
+ case 3:
+ if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
+ color = p[0] << 16 | p[1] << 8 | p[2];
+ else
+ color = p[0] | p[1] << 8 | p[2] << 16;
+ break;
+
+ case 4:
+ color = *(Uint32 *)p;
+ break;
+
+ default:
+ color = *p;
+ break;
+ }
+
+ unsigned char r, g, b, a;
+
+ SDL_GetRGBA(color, surface->format, &r, &g, &b, &a);
+ SDL_UnlockSurface(surface);
+
+ return Color(r, g, b, a);
+ }
+
+ /**
+ * Puts a pixel on an SDL_Surface.
+ *
+ * @param x the x coordinate on the surface.
+ * @param y the y coordinate on the surface.
+ * @param color the color the pixel should be in.
+ */
+ inline void SDLputPixel(SDL_Surface* surface, int x, int y,
+ const Color& color)
+ {
+ int bpp = surface->format->BytesPerPixel;
+
+ SDL_LockSurface(surface);
+
+ Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
+
+ Uint32 pixel = SDL_MapRGB(surface->format, color.r, color.g, color.b);
+
+ switch(bpp)
+ {
+ case 1:
+ *p = pixel;
+ break;
+
+ case 2:
+ *(Uint16 *)p = pixel;
+ break;
+
+ case 3:
+ if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
+ {
+ p[0] = (pixel >> 16) & 0xff;
+ p[1] = (pixel >> 8) & 0xff;
+ p[2] = pixel & 0xff;
+ }
+ else
+ {
+ p[0] = pixel & 0xff;
+ p[1] = (pixel >> 8) & 0xff;
+ p[2] = (pixel >> 16) & 0xff;
+ }
+ break;
+
+ case 4:
+ *(Uint32 *)p = pixel;
+ break;
+
+ default:
+ break;
+ }
+
+ SDL_UnlockSurface(surface);
+ }
+
+ /**
+ * Blends two 32 bit colors together.
+ *
+ * @param src the source color.
+ * @param dst the destination color.
+ * @param a alpha.
+ */
+ inline unsigned int SDLAlpha32(unsigned int src, unsigned int dst,
+ unsigned char a)
+ {
+ unsigned int b = ((src & 0xff) * a + (dst & 0xff) * (255 - a)) >> 8;
+ unsigned int g = ((src & 0xff00) * a + (dst & 0xff00)
+ * (255 - a)) >> 8;
+ unsigned int r = ((src & 0xff0000) * a + (dst & 0xff0000)
+ * (255 - a)) >> 8;
+
+ return (b & 0xff) | (g & 0xff00) | (r & 0xff0000);
+ }
+
+ /**
+ * Blends two 16 bit colors together.
+ *
+ * @param src the source color.
+ * @param dst the destination color.
+ * @param a alpha.
+ */
+ inline unsigned short SDLAlpha16(unsigned short src, unsigned short dst,
+ unsigned char a, const SDL_PixelFormat *f)
+ {
+ unsigned int b = ((src & f->Rmask) * a + (dst & f->Rmask)
+ * (255 - a)) >> 8;
+ unsigned int g = ((src & f->Gmask) * a + (dst & f->Gmask)
+ * (255 - a)) >> 8;
+ unsigned int r = ((src & f->Bmask) * a + (dst & f->Bmask)
+ * (255 - a)) >> 8;
+
+ return (unsigned short)((b & f->Rmask)
+ | (g & f->Gmask) | (r & f->Bmask));
+ }
+
+ /*
+ typedef struct{
+ SDL_Palette *palette;
+ Uint8 BitsPerPixel;
+ Uint8 BytesPerPixel;
+ Uint32 Rmask, Gmask, Bmask, Amask;
+ Uint8 Rshift, Gshift, Bshift, Ashift;
+ Uint8 Rloss, Gloss, Bloss, Aloss;
+ Uint32 colorkey;
+ Uint8 alpha;
+ } SDL_PixelFormat;
+ */
+
+ /**
+ * Puts a pixel on an SDL_Surface with alpha
+ *
+ * @param x the x coordinate on the surface.
+ * @param y the y coordinate on the surface.
+ * @param color the color the pixel should be in.
+ */
+ inline void SDLputPixelAlpha(SDL_Surface* surface, int x, int y,
+ const Color& color)
+ {
+ int bpp = surface->format->BytesPerPixel;
+
+ SDL_LockSurface(surface);
+
+ Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
+
+ Uint32 pixel = SDL_MapRGB(surface->format, color.r, color.g, color.b);
+
+ switch(bpp)
+ {
+ case 1:
+ *p = pixel;
+ break;
+
+ case 2:
+ *(Uint16 *)p = SDLAlpha16(pixel, *(Uint32 *)p,
+ color.a, surface->format);
+ break;
+
+ case 3:
+ if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
+ {
+ unsigned int r = (p[0] * (255 - color.a)
+ + color.r * color.a) >> 8;
+ unsigned int g = (p[1] * (255 - color.a)
+ + color.g * color.a) >> 8;
+ unsigned int b = (p[2] * (255 - color.a)
+ + color.b * color.a) >> 8;
+
+ p[2] = b;
+ p[1] = g;
+ p[0] = r;
+ }
+ else
+ {
+ unsigned int r = (p[2] * (255 - color.a)
+ + color.r * color.a) >> 8;
+ unsigned int g = (p[1] * (255 - color.a)
+ + color.g * color.a) >> 8;
+ unsigned int b = (p[0] * (255 - color.a)
+ + color.b * color.a) >> 8;
+
+ p[0] = b;
+ p[1] = g;
+ p[2] = r;
+ }
+ break;
+
+ case 4:
+ *(Uint32 *)p = SDLAlpha32(pixel, *(Uint32 *)p, color.a);
+ break;
+ default:
+ break;
+ }
+
+ SDL_UnlockSurface(surface);
+ }
+}
+
+#endif // end GCN_SDLPIXEL_HPP
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-12 19:36:25 +0000