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path: root/tuxpuck-0.8.2-libpng15.patch
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--- png.c.old	2011-09-14 16:25:54.415338149 +0200
+++ png.c	2011-09-14 17:41:02.190803110 +0200
@@ -38,6 +38,8 @@
   png_color_16 *transv;
   SDL_RWops *src = NULL;
   Uint32 size;
+  int num_palette;
+  png_colorp png_palette;
 
   memcpy(&size, data, sizeof(Uint32));
   if (memcounter)
@@ -74,7 +76,7 @@
    * the normal method of doing things with libpng).  REQUIRED unless you
    * set up your own error handlers in png_create_read_struct() earlier.
    */
-  if (setjmp(png_ptr->jmpbuf)) {
+  if (setjmp(png_jmpbuf(png_ptr))) {
     SDL_SetError("Error reading the PNG file.");
     goto done;
   }
@@ -142,9 +144,9 @@
       Rmask = 0x000000FF;
       Gmask = 0x0000FF00;
       Bmask = 0x00FF0000;
-      Amask = (info_ptr->channels == 4) ? 0xFF000000 : 0;
+      Amask = (png_get_channels(png_ptr, info_ptr) == 4) ? 0xFF000000 : 0;
     } else {
-      int s = (info_ptr->channels == 4) ? 0 : 8;
+      int s = (png_get_channels(png_ptr, info_ptr) == 4) ? 0 : 8;
       Rmask = 0xFF000000 >> s;
       Gmask = 0x00FF0000 >> s;
       Bmask = 0x0000FF00 >> s;
@@ -152,7 +154,7 @@
     }
   }
   surface = SDL_AllocSurface(SDL_SWSURFACE, width, height,
-			     bit_depth * info_ptr->channels, Rmask, Gmask,
+			     bit_depth * png_get_channels(png_ptr, info_ptr), Rmask, Gmask,
 			     Bmask, Amask);
   if (surface == NULL) {
     SDL_SetError("Out of memory");
@@ -197,12 +199,15 @@
 	palette->colors[i].g = i;
 	palette->colors[i].b = i;
       }
-    } else if (info_ptr->num_palette > 0) {
-      palette->ncolors = info_ptr->num_palette;
-      for (i = 0; i < info_ptr->num_palette; ++i) {
-	palette->colors[i].b = info_ptr->palette[i].blue;
-	palette->colors[i].g = info_ptr->palette[i].green;
-	palette->colors[i].r = info_ptr->palette[i].red;
+    } else {
+      png_get_PLTE(png_ptr, info_ptr, &png_palette, &num_palette);
+      if (num_palette > 0) {
+        palette->ncolors = num_palette;
+	for (i = 0; i < num_palette; ++i) {
+	  palette->colors[i].b = png_palette[i].blue;
+	  palette->colors[i].g = png_palette[i].green;
+	  palette->colors[i].r = png_palette[i].red;
+	}
       }
     }
   }