- new

Changed files:
    widelands-libpng15.patch -> 1.1

diff --git a/widelands-libpng15.patch b/widelands-libpng15.patch
new file mode 100644 (file)
index 0000000..e5e4019
--- /dev/null
+++ b/widelands-libpng15.patch
@@ -0,0 +1,76 @@
+--- widelands-build16-src/src/graphic/SDL_mng.cc.orig  2012-02-11 10:20:23.248971926 +0100
++++ widelands-build16-src/src/graphic/SDL_mng.cc       2012-02-11 10:21:08.652535416 +0100
+@@ -239,7 +239,7 @@
+ SDL_Surface * MNG_read_frame(SDL_RWops * const src)
+ {
+       png_uint_32 width, height;
+-      int bit_depth, color_type, interlace_type;
++      int bit_depth, color_type, interlace_type, num_palette;
+       Uint32 Rmask;
+       Uint32 Gmask;
+       Uint32 Bmask;
+@@ -247,6 +247,7 @@
+       SDL_Palette * palette;
+       volatile int ckey = -1;
+       png_color_16 * transv;
++      png_colorp png_palette;
+ 
+       /* Initialize the data we will clean up when we're done */
+       png_structp png_ptr = 0;
+@@ -276,7 +277,7 @@
+        * 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;
+       }
+@@ -356,9 +357,9 @@
+                       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 const s = (info_ptr->channels == 4) ? 0 : 8;
++                      int const s = (png_get_channels(png_ptr, info_ptr) == 4) ? 0 : 8;
+                       Rmask = 0xFF000000 >> s;
+                       Gmask = 0x00FF0000 >> s;
+                       Bmask = 0x0000FF00 >> s;
+@@ -370,7 +370,7 @@
+               SDL_AllocSurface
+                       (SDL_SWSURFACE,
+                        width, height,
+-                       bit_depth * info_ptr->channels,
++                       bit_depth * png_get_channels(png_ptr, info_ptr),
+                        Rmask, Gmask, Bmask, Amask);
+       if (not surface) {
+               SDL_SetError("Out of memory");
+@@ -408,6 +409,7 @@
+       png_read_end(png_ptr, info_ptr);
+ 
+       /* Load the palette, if any */
++      png_get_PLTE(png_ptr, info_ptr, &png_palette, &num_palette);
+       if ((palette = surface->format->palette)) {
+               if (color_type == PNG_COLOR_TYPE_GRAY) {
+                       palette->ncolors = 256;
+@@ -416,12 +418,12 @@
+                               palette->colors[i].g = i;
+                               palette->colors[i].b = i;
+                       }
+-              } else if (info_ptr->num_palette > 0) {
+-                      palette->ncolors = info_ptr->num_palette;
+-                      for (uint32_t 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 if (num_palette > 0) {
++                      palette->ncolors = num_palette;
++                      for (uint32_t 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;
+                       }
+               }
+       }