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diff --git a/src/guichan/sdl/sdlpixel.hpp b/src/guichan/sdl/sdlpixel.hpp
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--- a/src/guichan/sdl/sdlpixel.hpp
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-/* _______ __ __ __ ______ __ __ _______ __ __
- * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
- * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
- * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
- * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
- * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
- * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
- *
- * 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
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