patch SDL_image-1.2 for libpng 1.6.x

This commit is contained in:
Thomas Bernard 2019-01-20 23:41:00 +01:00
parent fc14806c8d
commit 4a97785ce6
No known key found for this signature in database
GPG Key ID: 0FF11B67A5C0863C
4 changed files with 396 additions and 1 deletions

5
3rdparty/Makefile vendored
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@ -6,7 +6,10 @@ SDLIMAGEARCH = SDL_image-1.2.12.tar.gz
SDLIMAGEURL = https://www.libsdl.org/projects/SDL_image/release/$(SDLIMAGEARCH)
SDLIMAGEPATCHES = SDL_image-1.2.12.XCF_infinite_loop.patch \
SDL_image-1.2.12.XCF_v11_64bits_offsets.patch \
SDL_image_XCF_v11_load_level.patch
SDL_image_XCF_v11_load_level.patch \
SDL_image-1.2.12-png1.6.patch \
SDL_image-1.2.12-png_const_colorp.patch \
SDL_image-1.2.12-png_const_fix.patch
SDLTTF=SDL_ttf-2.0.11
SDLTTFARCH=$(SDLTTF).tar.gz
SDLTTFURL=https://www.libsdl.org/projects/SDL_ttf/release/$(SDLTTFARCH)

263
3rdparty/SDL_image-1.2.12-png1.6.patch vendored Normal file
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@ -0,0 +1,263 @@
# HG changeset patch
# User Ozkan Sezer <sezeroz@gmail.com>
# Date 1539518450 -10800
# Node ID 98b284005f5e191244510f16f645c93c860d2e2c
# Parent f5f1e8452f745f79711763131058668b0d9dd748
png: fixes for building against libpng-1.6, and fn.pointer type fixes.
from default branch commits f83e70f2ec6c, 4c41cee3e961, 777206f89dd2,
4c73e89f2551, 43873c313f32, e729829dbfc2, 4078e65827ea, ace61a625208,
218eb926ba90, 71f0d661144f, and 4b70bfe18fb7 -- bugs 1884, 1912, 3082,
and 3214.
diff -r f5f1e8452f74 -r 98b284005f5e IMG_png.c
--- a/IMG_png.c Sat Oct 13 17:21:40 2018 +0300
+++ b/IMG_png.c Sun Oct 14 15:00:50 2018 +0300
@@ -71,33 +71,44 @@
#include <png.h>
/* Check for the older version of libpng */
-#if (PNG_LIBPNG_VER_MAJOR == 1) && (PNG_LIBPNG_VER_MINOR < 4)
+#if (PNG_LIBPNG_VER_MAJOR == 1)
+#if (PNG_LIBPNG_VER_MINOR < 5)
#define LIBPNG_VERSION_12
+typedef png_bytep png_const_bytep;
+typedef png_color *png_const_colorp;
+#endif
+#if (PNG_LIBPNG_VER_MINOR < 6)
+typedef png_structp png_const_structrp;
+typedef png_infop png_const_inforp;
+typedef png_structp png_structrp;
+typedef png_infop png_inforp;
+#endif
#endif
static struct {
int loaded;
void *handle;
- png_infop (*png_create_info_struct) (png_structp png_ptr);
+ png_infop (*png_create_info_struct) (png_const_structrp png_ptr);
png_structp (*png_create_read_struct) (png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn);
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);
- void (*png_read_info) (png_structp png_ptr, png_infop info_ptr);
- void (*png_read_update_info) (png_structp png_ptr, png_infop info_ptr);
- void (*png_set_expand) (png_structp png_ptr);
- void (*png_set_gray_to_rgb) (png_structp png_ptr);
- void (*png_set_packing) (png_structp png_ptr);
- 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);
+ png_uint_32 (*png_get_IHDR) (png_const_structrp png_ptr, png_const_inforp 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_const_structrp png_ptr);
+ png_byte (*png_get_channels) (png_const_structrp png_ptr, png_const_inforp info_ptr);
+ png_uint_32 (*png_get_PLTE) (png_const_structrp png_ptr, png_inforp info_ptr, png_colorp *palette, int *num_palette);
+ png_uint_32 (*png_get_tRNS) (png_const_structrp png_ptr, png_inforp info_ptr, png_bytep *trans, int *num_trans, png_color_16p *trans_values);
+ png_uint_32 (*png_get_valid) (png_const_structrp png_ptr, png_const_inforp info_ptr, png_uint_32 flag);
+ void (*png_read_image) (png_structrp png_ptr, png_bytepp image);
+ void (*png_read_info) (png_structrp png_ptr, png_inforp info_ptr);
+ void (*png_read_update_info) (png_structrp png_ptr, png_inforp info_ptr);
+ void (*png_set_expand) (png_structrp png_ptr);
+ void (*png_set_gray_to_rgb) (png_structrp png_ptr);
+ void (*png_set_packing) (png_structrp png_ptr);
+ void (*png_set_read_fn) (png_structrp png_ptr, png_voidp io_ptr, png_rw_ptr read_data_fn);
+ void (*png_set_strip_16) (png_structrp png_ptr);
+ int (*png_set_interlace_handling) (png_structp png_ptr);
+ int (*png_sig_cmp) (png_const_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);
+ jmp_buf* (*png_set_longjmp_fn) (png_structrp, png_longjmp_ptr, size_t);
#endif
} lib;
@@ -110,14 +121,14 @@
return -1;
}
lib.png_create_info_struct =
- (png_infop (*) (png_structp))
+ (png_infop (*) (png_const_structrp))
SDL_LoadFunction(lib.handle, "png_create_info_struct");
if ( lib.png_create_info_struct == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_create_read_struct =
- (png_structp (*) (png_const_charp, png_voidp, png_error_ptr, png_error_ptr))
+ (png_structrp (*) (png_const_charp, png_voidp, png_error_ptr, png_error_ptr))
SDL_LoadFunction(lib.handle, "png_create_read_struct");
if ( lib.png_create_read_struct == NULL ) {
SDL_UnloadObject(lib.handle);
@@ -131,105 +142,112 @@
return -1;
}
lib.png_get_IHDR =
- (png_uint_32 (*) (png_structp, png_infop, png_uint_32 *, png_uint_32 *, int *, int *, int *, int *, int *))
+ (png_uint_32 (*) (png_const_structrp, png_const_inforp, png_uint_32 *, png_uint_32 *, int *, int *, int *, int *, int *))
SDL_LoadFunction(lib.handle, "png_get_IHDR");
if ( lib.png_get_IHDR == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_get_channels =
- (png_byte (*) (png_structp, png_infop))
+ (png_byte (*) (png_const_structrp, png_const_inforp))
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))
+ (png_voidp (*) (png_const_structrp))
SDL_LoadFunction(lib.handle, "png_get_io_ptr");
if ( lib.png_get_io_ptr == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_get_PLTE =
- (png_uint_32 (*) (png_structp, png_infop, png_colorp *, int *))
+ (png_uint_32 (*) (png_const_structrp, png_inforp, 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 *))
+ (png_uint_32 (*) (png_const_structrp, png_inforp, png_bytep *, int *, png_color_16p *))
SDL_LoadFunction(lib.handle, "png_get_tRNS");
if ( lib.png_get_tRNS == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_get_valid =
- (png_uint_32 (*) (png_structp, png_infop, png_uint_32))
+ (png_uint_32 (*) (png_const_structrp, png_const_inforp, png_uint_32))
SDL_LoadFunction(lib.handle, "png_get_valid");
if ( lib.png_get_valid == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_read_image =
- (void (*) (png_structp, png_bytepp))
+ (void (*) (png_structrp, png_bytepp))
SDL_LoadFunction(lib.handle, "png_read_image");
if ( lib.png_read_image == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_read_info =
- (void (*) (png_structp, png_infop))
+ (void (*) (png_structrp, png_inforp))
SDL_LoadFunction(lib.handle, "png_read_info");
if ( lib.png_read_info == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_read_update_info =
- (void (*) (png_structp, png_infop))
+ (void (*) (png_structrp, png_inforp))
SDL_LoadFunction(lib.handle, "png_read_update_info");
if ( lib.png_read_update_info == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_set_expand =
- (void (*) (png_structp))
+ (void (*) (png_structrp))
SDL_LoadFunction(lib.handle, "png_set_expand");
if ( lib.png_set_expand == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_set_gray_to_rgb =
- (void (*) (png_structp))
+ (void (*) (png_structrp))
SDL_LoadFunction(lib.handle, "png_set_gray_to_rgb");
if ( lib.png_set_gray_to_rgb == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_set_packing =
- (void (*) (png_structp))
+ (void (*) (png_structrp))
SDL_LoadFunction(lib.handle, "png_set_packing");
if ( lib.png_set_packing == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_set_read_fn =
- (void (*) (png_structp, png_voidp, png_rw_ptr))
+ (void (*) (png_structrp, png_voidp, png_rw_ptr))
SDL_LoadFunction(lib.handle, "png_set_read_fn");
if ( lib.png_set_read_fn == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_set_strip_16 =
- (void (*) (png_structp))
+ (void (*) (png_structrp))
SDL_LoadFunction(lib.handle, "png_set_strip_16");
if ( lib.png_set_strip_16 == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
+ lib.png_set_interlace_handling =
+ (void (*) (png_structp))
+ SDL_LoadFunction(lib.handle, "png_set_interlace_handling");
+ if ( lib.png_set_interlace_handling == NULL ) {
+ SDL_UnloadObject(lib.handle);
+ return -1;
+ }
lib.png_sig_cmp =
- (int (*) (png_bytep, png_size_t, png_size_t))
+ (int (*) (png_const_bytep, png_size_t, png_size_t))
SDL_LoadFunction(lib.handle, "png_sig_cmp");
if ( lib.png_sig_cmp == NULL ) {
SDL_UnloadObject(lib.handle);
@@ -237,7 +255,7 @@
}
#ifndef LIBPNG_VERSION_12
lib.png_set_longjmp_fn =
- (jmp_buf * (*) (png_structp, png_longjmp_ptr, size_t))
+ (jmp_buf * (*) (png_structrp, png_longjmp_ptr, size_t))
SDL_LoadFunction(lib.handle, "png_set_longjmp_fn");
if ( lib.png_set_longjmp_fn == NULL ) {
SDL_UnloadObject(lib.handle);
@@ -280,6 +298,7 @@
lib.png_set_packing = png_set_packing;
lib.png_set_read_fn = png_set_read_fn;
lib.png_set_strip_16 = png_set_strip_16;
+ lib.png_set_interlace_handling = png_set_interlace_handling;
lib.png_sig_cmp = png_sig_cmp;
#ifndef LIBPNG_VERSION_12
lib.png_set_longjmp_fn = png_set_longjmp_fn;
@@ -404,6 +423,9 @@
/* tell libpng to strip 16 bit/color files down to 8 bits/color */
lib.png_set_strip_16(png_ptr) ;
+ /* tell libpng to de-interlace (if the image is interlaced) */
+ lib.png_set_interlace_handling(png_ptr) ;
+
/* Extract multiple pixels with bit depths of 1, 2, and 4 from a single
* byte into separate bytes (useful for paletted and grayscale images).
*/
@@ -515,9 +537,9 @@
if(color_type == PNG_COLOR_TYPE_GRAY) {
palette->ncolors = 256;
for(i = 0; i < 256; i++) {
- palette->colors[i].r = i;
- palette->colors[i].g = i;
- palette->colors[i].b = i;
+ palette->colors[i].r = (Uint8)i;
+ palette->colors[i].g = (Uint8)i;
+ palette->colors[i].b = (Uint8)i;
}
} else if (png_num_palette > 0 ) {
palette->ncolors = png_num_palette;

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@ -0,0 +1,27 @@
# HG changeset patch
# User Ozkan Sezer <sezeroz@gmail.com>
# Date 1539674510 -10800
# Node ID e7abf44fc35ca01960d2d86184c0587d97bd6363
# Parent 93d1be43b70a5dab21202d12126c536f7c89cba9
png_const_colorp isn't used in SDL_image-1.2.x.
diff -r 93d1be43b70a -r e7abf44fc35c IMG_png.c
--- a/IMG_png.c Sun Oct 14 17:05:20 2018 +0300
+++ b/IMG_png.c Tue Oct 16 10:21:50 2018 +0300
@@ -75,7 +75,6 @@
#if (PNG_LIBPNG_VER_MINOR < 5)
#define LIBPNG_VERSION_12
typedef png_bytep png_const_bytep;
-typedef png_color *png_const_colorp;
#endif
#if (PNG_LIBPNG_VER_MINOR < 6)
typedef png_structp png_const_structrp;
@@ -542,7 +541,7 @@
palette->colors[i].b = (Uint8)i;
}
} else if (png_num_palette > 0 ) {
- palette->ncolors = png_num_palette;
+ 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;

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@ -0,0 +1,102 @@
# HG changeset patch
# User Ozkan Sezer <sezeroz@gmail.com>
# Date 1540324802 -10800
# Node ID 89225c8816d6d487bee10642d0380442dc19490d
# Parent b39ee38ead194ebc11c33170782a0e6fcf24d9ca
fix warnings when building with libpng-1.4/1.5 and --disable-png-shared
ugly perhaps, but does the job.
closes https://bugzilla.libsdl.org/show_bug.cgi?id=4311
diff -r b39ee38ead19 -r 89225c8816d6 IMG_png.c
--- a/IMG_png.c Thu Oct 18 11:55:14 2018 +0300
+++ b/IMG_png.c Tue Oct 23 23:00:02 2018 +0300
@@ -71,29 +71,46 @@
#include <png.h>
/* Check for the older version of libpng */
-#if (PNG_LIBPNG_VER_MAJOR == 1)
+#if (PNG_LIBPNG_VER_MAJOR == 1)
#if (PNG_LIBPNG_VER_MINOR < 5)
#define LIBPNG_VERSION_12
typedef png_bytep png_const_bytep;
#endif
+#if (PNG_LIBPNG_VER_MINOR < 4)
+typedef png_structp png_const_structp;
+typedef png_infop png_const_infop;
+#endif
#if (PNG_LIBPNG_VER_MINOR < 6)
-typedef png_structp png_const_structrp;
-typedef png_infop png_const_inforp;
typedef png_structp png_structrp;
typedef png_infop png_inforp;
+typedef png_const_structp png_const_structrp;
+typedef png_const_infop png_const_inforp;
+/* noconst15: version < 1.6 doesn't have const, >= 1.6 adds it */
+/* noconst16: version < 1.6 does have const, >= 1.6 removes it */
+typedef png_structp png_noconst15_structrp;
+typedef png_inforp png_noconst15_inforp;
+typedef png_const_inforp png_noconst16_inforp;
+#else
+typedef png_const_structp png_noconst15_structrp;
+typedef png_const_inforp png_noconst15_inforp;
+typedef png_inforp png_noconst16_inforp;
#endif
+#else
+typedef png_const_structp png_noconst15_structrp;
+typedef png_const_inforp png_noconst15_inforp;
+typedef png_inforp png_noconst16_inforp;
#endif
static struct {
int loaded;
void *handle;
- png_infop (*png_create_info_struct) (png_const_structrp png_ptr);
+ png_infop (*png_create_info_struct) (png_noconst15_structrp png_ptr);
png_structp (*png_create_read_struct) (png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn);
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_const_structrp png_ptr, png_const_inforp 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_const_structrp png_ptr);
+ png_uint_32 (*png_get_IHDR) (png_noconst15_structrp png_ptr, png_noconst15_inforp 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_noconst15_structrp png_ptr);
png_byte (*png_get_channels) (png_const_structrp png_ptr, png_const_inforp info_ptr);
- png_uint_32 (*png_get_PLTE) (png_const_structrp png_ptr, png_inforp info_ptr, png_colorp *palette, int *num_palette);
+ png_uint_32 (*png_get_PLTE) (png_const_structrp png_ptr, png_noconst16_inforp info_ptr, png_colorp *palette, int *num_palette);
png_uint_32 (*png_get_tRNS) (png_const_structrp png_ptr, png_inforp info_ptr, png_bytep *trans, int *num_trans, png_color_16p *trans_values);
png_uint_32 (*png_get_valid) (png_const_structrp png_ptr, png_const_inforp info_ptr, png_uint_32 flag);
void (*png_read_image) (png_structrp png_ptr, png_bytepp image);
@@ -120,7 +137,7 @@
return -1;
}
lib.png_create_info_struct =
- (png_infop (*) (png_const_structrp))
+ (png_infop (*) (png_noconst15_structrp))
SDL_LoadFunction(lib.handle, "png_create_info_struct");
if ( lib.png_create_info_struct == NULL ) {
SDL_UnloadObject(lib.handle);
@@ -141,7 +158,7 @@
return -1;
}
lib.png_get_IHDR =
- (png_uint_32 (*) (png_const_structrp, png_const_inforp, png_uint_32 *, png_uint_32 *, int *, int *, int *, int *, int *))
+ (png_uint_32 (*) (png_noconst15_structrp, png_noconst15_inforp, png_uint_32 *, png_uint_32 *, int *, int *, int *, int *, int *))
SDL_LoadFunction(lib.handle, "png_get_IHDR");
if ( lib.png_get_IHDR == NULL ) {
SDL_UnloadObject(lib.handle);
@@ -155,14 +172,14 @@
return -1;
}
lib.png_get_io_ptr =
- (png_voidp (*) (png_const_structrp))
+ (png_voidp (*) (png_noconst15_structrp))
SDL_LoadFunction(lib.handle, "png_get_io_ptr");
if ( lib.png_get_io_ptr == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.png_get_PLTE =
- (png_uint_32 (*) (png_const_structrp, png_inforp, png_colorp *, int *))
+ (png_uint_32 (*) (png_const_structrp, png_noconst16_inforp, png_colorp *, int *))
SDL_LoadFunction(lib.handle, "png_get_PLTE");
if ( lib.png_get_PLTE == NULL ) {
SDL_UnloadObject(lib.handle);