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Diffstat (limited to 'src/resources/image.cpp')
-rw-r--r--src/resources/image.cpp47
1 files changed, 46 insertions, 1 deletions
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
index 7a394edb..d0dae462 100644
--- a/src/resources/image.cpp
+++ b/src/resources/image.cpp
@@ -21,9 +21,11 @@
* $Id$
*/
+#include <SDL_image.h>
+
#include "image.h"
-#include <SDL_image.h>
+#include "dye.h"
#include "../log.h"
@@ -85,6 +87,49 @@ Resource *Image::load(void *buffer, unsigned bufferSize)
return image;
}
+Resource *Image::load(void *buffer, unsigned bufferSize, Dye const &dye)
+{
+ SDL_RWops *rw = SDL_RWFromMem(buffer, bufferSize);
+ SDL_Surface *tmpImage = IMG_Load_RW(rw, 1);
+
+ if (!tmpImage)
+ {
+ logger->log("Error, image load failed: %s", IMG_GetError());
+ return NULL;
+ }
+
+ SDL_PixelFormat rgba;
+ rgba.palette = NULL;
+ rgba.BitsPerPixel = 32;
+ rgba.BytesPerPixel = 4;
+ rgba.Rmask = 0xFF000000; rgba.Rloss = 0; rgba.Rshift = 24;
+ rgba.Gmask = 0x00FF0000; rgba.Gloss = 0; rgba.Gshift = 16;
+ rgba.Bmask = 0x0000FF00; rgba.Bloss = 0; rgba.Bshift = 8;
+ rgba.Amask = 0x000000FF; rgba.Aloss = 0; rgba.Ashift = 0;
+ rgba.colorkey = 0;
+ rgba.alpha = 255;
+
+ SDL_Surface *surf = SDL_ConvertSurface(tmpImage, &rgba, SDL_SWSURFACE);
+ SDL_FreeSurface(tmpImage);
+
+ Uint32 *pixels = static_cast< Uint32 * >(surf->pixels);
+ for (Uint32 *p_end = pixels + surf->w * surf->h; pixels != p_end; ++pixels)
+ {
+ int alpha = *pixels & 255;
+ if (!alpha) continue;
+ int v[3];
+ v[0] = (*pixels >> 24) & 255;
+ v[1] = (*pixels >> 16) & 255;
+ v[2] = (*pixels >> 8 ) & 255;
+ dye.update(v);
+ *pixels = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | alpha;
+ }
+
+ Image *image = load(surf);
+ SDL_FreeSurface(surf);
+ return image;
+}
+
Image *Image::load(SDL_Surface *tmpImage)
{
#ifdef USE_OPENGL