--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.1/src/sdl/sdlimage.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,180 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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.
+ */
+
+/*
+ * For comments regarding functions please see the header file.
+ */
+
+#include "guichan/sdl/sdlimage.hpp"
+
+#include "guichan/exception.hpp"
+#include "guichan/sdl/sdlpixel.hpp"
+
+namespace gcn
+{
+    SDLImage::SDLImage(SDL_Surface* surface, bool autoFree)
+    {
+        mAutoFree = autoFree;
+        mSurface = surface;
+    }
+
+    SDLImage::~SDLImage()
+    {
+        if (mAutoFree)
+        {
+            free();
+        }
+    }
+
+    SDL_Surface* SDLImage::getSurface() const
+    {
+        return mSurface;
+    }
+
+    int SDLImage::getWidth() const
+    {
+        if (mSurface == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to get the width of a non loaded image.");
+        }
+
+        return mSurface->w;
+    }
+
+    int SDLImage::getHeight() const
+    {
+        if (mSurface == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to get the height of a non loaded image.");
+        }
+
+        return mSurface->h;
+    }
+
+    Color SDLImage::getPixel(int x, int y)
+    {
+        if (mSurface == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to get a pixel from a non loaded image.");
+        }
+
+        return SDLgetPixel(mSurface, x, y);
+    }
+
+    void SDLImage::putPixel(int x, int y, const Color& color)
+    {
+        if (mSurface == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to put a pixel in a non loaded image.");
+        }
+
+        SDLputPixel(mSurface, x, y, color);
+    }
+
+    void SDLImage::convertToDisplayFormat()
+    {
+        if (mSurface == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to convert a non loaded image to display format.");
+        }
+
+        int i;
+        bool hasPink = false;
+        bool hasAlpha = false;
+
+        for (i = 0; i < mSurface->w * mSurface->h; ++i)
+        {
+            if (((unsigned int*)mSurface->pixels)[i] == SDL_MapRGB(mSurface->format,255,0,255))
+            {
+                hasPink = true;
+                break;
+            }
+        }
+
+        for (i = 0; i < mSurface->w * mSurface->h; ++i)
+        {
+            Uint8 r, g, b, a;
+
+            SDL_GetRGBA(((unsigned int*)mSurface->pixels)[i], mSurface->format,
+                        &r, &g, &b, &a);
+
+            if (a != 255)
+            {
+                hasAlpha = true;
+                break;
+            }
+        }
+
+        SDL_Surface *tmp;
+
+        if (hasAlpha)
+        {
+            tmp = SDL_DisplayFormatAlpha(mSurface);
+            SDL_FreeSurface(mSurface);
+            mSurface = NULL;
+        }
+        else
+        {
+            tmp = SDL_DisplayFormat(mSurface);
+            SDL_FreeSurface(mSurface);
+            mSurface = NULL;
+        }
+
+        if (hasPink)
+        {
+            SDL_SetColorKey(tmp, SDL_SRCCOLORKEY,
+                            SDL_MapRGB(tmp->format,255,0,255));
+        }
+        if (hasAlpha)
+        {
+            SDL_SetAlpha(tmp, SDL_SRCALPHA, 255);
+        }
+
+        mSurface = tmp;
+    }
+
+    void SDLImage::free()
+    {
+        SDL_FreeSurface(mSurface);
+    }
+}