diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2011-04-07 14:11:08 +0200 |
---|---|---|
committer | Waldemar Brodkorb <wbx@openadk.org> | 2011-04-07 14:11:08 +0200 |
commit | 2bf604ffc3707110490658b3d2004da62767722b (patch) | |
tree | 3d79d194bc8824670c7eac1dc936a64a4bae17b6 /package/sdl-image/patches/patch-IMG_png_c | |
parent | eaacfc671c88663ff14a094e0190359a211b46e8 (diff) |
update some packages after libpng15 update, misc stuff
Diffstat (limited to 'package/sdl-image/patches/patch-IMG_png_c')
-rw-r--r-- | package/sdl-image/patches/patch-IMG_png_c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/package/sdl-image/patches/patch-IMG_png_c b/package/sdl-image/patches/patch-IMG_png_c new file mode 100644 index 000000000..315c1f676 --- /dev/null +++ b/package/sdl-image/patches/patch-IMG_png_c @@ -0,0 +1,160 @@ +--- SDL_image-1.2.10.orig/IMG_png.c 2009-11-08 11:55:32.000000000 +0100 ++++ SDL_image-1.2.10/IMG_png.c 2011-04-01 20:26:38.981819248 +0200 +@@ -71,6 +71,10 @@ + #endif + #include <png.h> + ++/* Check for the older version of libpng */ ++#if (PNG_LIBPNG_VER_MAJOR == 1) && (PNG_LIBPNG_VER_MINOR < 4) ++#define LIBPNG_VERSION_12 ++#endif + + static struct { + int loaded; +@@ -80,6 +84,8 @@ static struct { + void (*png_destroy_read_struct) (png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr); + png_uint_32 (*png_get_IHDR) (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, png_uint_32 *height, int *bit_depth, int *color_type, int *interlace_method, int *compression_method, int *filter_method); + png_voidp (*png_get_io_ptr) (png_structp png_ptr); ++ png_byte (*png_get_channels) (png_structp png_ptr, png_infop info_ptr); ++ png_uint_32 (*png_get_PLTE) (png_structp png_ptr, png_infop info_ptr, png_colorp *palette, int *num_palette); + png_uint_32 (*png_get_tRNS) (png_structp png_ptr, png_infop info_ptr, png_bytep *trans, int *num_trans, png_color_16p *trans_values); + png_uint_32 (*png_get_valid) (png_structp png_ptr, png_infop info_ptr, png_uint_32 flag); + void (*png_read_image) (png_structp png_ptr, png_bytepp image); +@@ -91,6 +97,9 @@ static struct { + void (*png_set_read_fn) (png_structp png_ptr, png_voidp io_ptr, png_rw_ptr read_data_fn); + void (*png_set_strip_16) (png_structp png_ptr); + int (*png_sig_cmp) (png_bytep sig, png_size_t start, png_size_t num_to_check); ++#ifndef LIBPNG_VERSION_12 ++ jmp_buf* (*png_set_longjmp_fn) (png_structp, png_longjmp_ptr, size_t); ++#endif + } lib; + + #ifdef LOAD_PNG_DYNAMIC +@@ -129,6 +138,13 @@ int IMG_InitPNG() + SDL_UnloadObject(lib.handle); + return -1; + } ++ lib.png_get_channels = ++ (png_byte (*) (png_structp, png_infop)) ++ SDL_LoadFunction(lib.handle, "png_get_channels"); ++ if ( lib.png_get_channels == NULL ) { ++ SDL_UnloadObject(lib.handle); ++ return -1; ++ } + lib.png_get_io_ptr = + (png_voidp (*) (png_structp)) + SDL_LoadFunction(lib.handle, "png_get_io_ptr"); +@@ -136,6 +152,13 @@ int IMG_InitPNG() + SDL_UnloadObject(lib.handle); + return -1; + } ++ lib.png_get_PLTE = ++ (png_uint_32 (*) (png_structp, png_infop, png_colorp *, int *)) ++ SDL_LoadFunction(lib.handle, "png_get_PLTE"); ++ if ( lib.png_get_PLTE == NULL ) { ++ SDL_UnloadObject(lib.handle); ++ return -1; ++ } + lib.png_get_tRNS = + (png_uint_32 (*) (png_structp, png_infop, png_bytep *, int *, png_color_16p *)) + SDL_LoadFunction(lib.handle, "png_get_tRNS"); +@@ -213,6 +236,15 @@ int IMG_InitPNG() + SDL_UnloadObject(lib.handle); + return -1; + } ++#ifndef LIBPNG_VERSION_12 ++ lib.png_set_longjmp_fn = ++ (jmp_buf * (*) (png_structp, png_longjmp_ptr, size_t)) ++ SDL_LoadFunction(lib.handle, "png_set_longjmp_fn"); ++ if ( lib.png_set_longjmp_fn == NULL ) { ++ SDL_UnloadObject(lib.handle); ++ return -1; ++ } ++#endif + } + ++lib.loaded; + +@@ -236,7 +268,9 @@ int IMG_InitPNG() + lib.png_create_read_struct = png_create_read_struct; + lib.png_destroy_read_struct = png_destroy_read_struct; + lib.png_get_IHDR = png_get_IHDR; ++ lib.png_get_channels = png_get_channels; + lib.png_get_io_ptr = png_get_io_ptr; ++ lib.png_get_PLTE = png_get_PLTE; + lib.png_get_tRNS = png_get_tRNS; + lib.png_get_valid = png_get_valid; + lib.png_read_image = png_read_image; +@@ -248,6 +282,9 @@ int IMG_InitPNG() + lib.png_set_read_fn = png_set_read_fn; + lib.png_set_strip_16 = png_set_strip_16; + lib.png_sig_cmp = png_sig_cmp; ++#ifndef LIBPNG_VERSION_12 ++ lib.png_set_longjmp_fn = png_set_longjmp_fn; ++#endif + } + ++lib.loaded; + +@@ -347,7 +384,12 @@ SDL_Surface *IMG_LoadPNG_RW(SDL_RWops *s + * 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) ) { ++#ifndef LIBPNG_VERSION_12 ++ if ( setjmp(*lib.png_set_longjmp_fn(png_ptr, longjmp, sizeof (jmp_buf))) ) ++#else ++ if ( setjmp(png_ptr->jmpbuf) ) ++#endif ++ { + error = "Error reading the PNG file."; + goto done; + } +@@ -416,9 +458,9 @@ SDL_Surface *IMG_LoadPNG_RW(SDL_RWops *s + Rmask = 0x000000FF; + Gmask = 0x0000FF00; + Bmask = 0x00FF0000; +- Amask = (info_ptr->channels == 4) ? 0xFF000000 : 0; ++ Amask = (lib.png_get_channels(png_ptr, info_ptr) == 4) ? 0xFF000000 : 0; + } else { +- int s = (info_ptr->channels == 4) ? 0 : 8; ++ int s = (lib.png_get_channels(png_ptr, info_ptr) == 4) ? 0 : 8; + Rmask = 0xFF000000 >> s; + Gmask = 0x00FF0000 >> s; + Bmask = 0x0000FF00 >> s; +@@ -426,7 +468,7 @@ SDL_Surface *IMG_LoadPNG_RW(SDL_RWops *s + } + } + surface = SDL_AllocSurface(SDL_SWSURFACE, width, height, +- bit_depth*info_ptr->channels, Rmask,Gmask,Bmask,Amask); ++ bit_depth*lib.png_get_channels(png_ptr, info_ptr), Rmask,Gmask,Bmask,Amask); + if ( surface == NULL ) { + error = "Out of memory"; + goto done; +@@ -467,6 +509,9 @@ SDL_Surface *IMG_LoadPNG_RW(SDL_RWops *s + /* Load the palette, if any */ + palette = surface->format->palette; + if ( palette ) { ++ int png_num_palette; ++ png_colorp png_palette; ++ lib.png_get_PLTE(png_ptr, info_ptr, &png_palette, &png_num_palette); + if(color_type == PNG_COLOR_TYPE_GRAY) { + palette->ncolors = 256; + for(i = 0; i < 256; i++) { +@@ -474,12 +519,12 @@ SDL_Surface *IMG_LoadPNG_RW(SDL_RWops *s + 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 if (png_num_palette > 0 ) { ++ palette->ncolors = png_num_palette; ++ for( i=0; i<png_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; + } + } + } |