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@@ -1,7 +1,7 @@
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-diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h
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-+++ libpng-1.5.15/png.h 2013-04-02 20:39:30.000000000 +0900
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-@@ -448,6 +448,10 @@
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+diff -Naru libpng-1.6.8.org/png.h libpng-1.6.8/png.h
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+--- libpng-1.6.8.org/png.h 2013-12-22 17:03:17.220988502 +0900
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+@@ -451,6 +451,10 @@
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# include "pnglibconf.h"
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#endif
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@@ -10,9 +10,9 @@ diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h
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+#define PNG_WRITE_APNG_SUPPORTED
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+
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#ifndef PNG_VERSION_INFO_ONLY
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- # ifndef PNG_BUILDING_SYMBOL_TABLE
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- /*
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-@@ -555,6 +559,17 @@
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+ /* Machine specific configuration. */
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+ # include "pngconf.h"
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+@@ -541,6 +545,17 @@
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* See pngconf.h for base types that vary by machine/system
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*/
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@@ -30,7 +30,7 @@ diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h
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/* This triggers a compiler error in png.c, if png.c and png.h
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* do not agree upon the version number.
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*/
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-@@ -838,6 +853,10 @@
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+@@ -861,6 +876,10 @@
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#define PNG_INFO_sPLT 0x2000 /* ESR, 1.0.6 */
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#define PNG_INFO_sCAL 0x4000 /* ESR, 1.0.6 */
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#define PNG_INFO_IDAT 0x8000 /* ESR, 1.0.6 */
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@@ -41,7 +41,7 @@ diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h
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/* This is used for the transformation routines, as some of them
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* change these values for the row. It also should enable using
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-@@ -883,6 +902,10 @@
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+@@ -898,6 +917,10 @@
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#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
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typedef PNG_CALLBACK(void, *png_progressive_info_ptr, (png_structp, png_infop));
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typedef PNG_CALLBACK(void, *png_progressive_end_ptr, (png_structp, png_infop));
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@@ -52,97 +52,97 @@ diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h
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/* The following callback receives png_uint_32 row_number, int pass for the
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* png_bytep data of the row. When transforming an interlaced image the
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-@@ -2702,6 +2725,74 @@
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+@@ -3300,6 +3323,74 @@
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/*******************************************************************************
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* END OF HARDWARE OPTIONS
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******************************************************************************/
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+#ifdef PNG_APNG_SUPPORTED
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-+PNG_EXPORT(237, png_uint_32, png_get_acTL, (png_structp png_ptr,
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++PNG_EXPORT(245, png_uint_32, png_get_acTL, (png_structp png_ptr,
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+ png_infop info_ptr, png_uint_32 *num_frames, png_uint_32 *num_plays));
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+
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-+PNG_EXPORT(238, png_uint_32, png_set_acTL, (png_structp png_ptr,
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++PNG_EXPORT(246, png_uint_32, png_set_acTL, (png_structp png_ptr,
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+ png_infop info_ptr, png_uint_32 num_frames, png_uint_32 num_plays));
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+
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-+PNG_EXPORT(239, png_uint_32, png_get_num_frames, (png_structp png_ptr,
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++PNG_EXPORT(247, png_uint_32, png_get_num_frames, (png_structp png_ptr,
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+ png_infop info_ptr));
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+
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-+PNG_EXPORT(240, png_uint_32, png_get_num_plays, (png_structp png_ptr,
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++PNG_EXPORT(248, png_uint_32, png_get_num_plays, (png_structp png_ptr,
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+ png_infop info_ptr));
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+
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-+PNG_EXPORT(241, png_uint_32, png_get_next_frame_fcTL,
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++PNG_EXPORT(249, png_uint_32, png_get_next_frame_fcTL,
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+ (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width,
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+ png_uint_32 *height, png_uint_32 *x_offset, png_uint_32 *y_offset,
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+ png_uint_16 *delay_num, png_uint_16 *delay_den, png_byte *dispose_op,
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+ png_byte *blend_op));
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+
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-+PNG_EXPORT(242, png_uint_32, png_set_next_frame_fcTL,
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++PNG_EXPORT(250, png_uint_32, png_set_next_frame_fcTL,
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+ (png_structp png_ptr, png_infop info_ptr, png_uint_32 width,
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+ png_uint_32 height, png_uint_32 x_offset, png_uint_32 y_offset,
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+ png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op,
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+ png_byte blend_op));
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+
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-+PNG_EXPORT(243, png_uint_32, png_get_next_frame_width,
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++PNG_EXPORT(251, png_uint_32, png_get_next_frame_width,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(244, png_uint_32, png_get_next_frame_height,
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++PNG_EXPORT(252, png_uint_32, png_get_next_frame_height,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(245, png_uint_32, png_get_next_frame_x_offset,
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++PNG_EXPORT(253, png_uint_32, png_get_next_frame_x_offset,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(246, png_uint_32, png_get_next_frame_y_offset,
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++PNG_EXPORT(254, png_uint_32, png_get_next_frame_y_offset,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(247, png_uint_16, png_get_next_frame_delay_num,
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++PNG_EXPORT(255, png_uint_16, png_get_next_frame_delay_num,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(248, png_uint_16, png_get_next_frame_delay_den,
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++PNG_EXPORT(256, png_uint_16, png_get_next_frame_delay_den,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(249, png_byte, png_get_next_frame_dispose_op,
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++PNG_EXPORT(257, png_byte, png_get_next_frame_dispose_op,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(250, png_byte, png_get_next_frame_blend_op,
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++PNG_EXPORT(258, png_byte, png_get_next_frame_blend_op,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(251, png_byte, png_get_first_frame_is_hidden,
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++PNG_EXPORT(259, png_byte, png_get_first_frame_is_hidden,
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+ (png_structp png_ptr, png_infop info_ptr));
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-+PNG_EXPORT(252, png_uint_32, png_set_first_frame_is_hidden,
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++PNG_EXPORT(260, png_uint_32, png_set_first_frame_is_hidden,
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+ (png_structp png_ptr, png_infop info_ptr, png_byte is_hidden));
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+
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+#ifdef PNG_READ_APNG_SUPPORTED
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-+PNG_EXPORT(253, void, png_read_frame_head, (png_structp png_ptr,
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++PNG_EXPORT(261, void, png_read_frame_head, (png_structp png_ptr,
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+ png_infop info_ptr));
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+#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
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-+PNG_EXPORT(254, void, png_set_progressive_frame_fn, (png_structp png_ptr,
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++PNG_EXPORT(262, void, png_set_progressive_frame_fn, (png_structp png_ptr,
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+ png_progressive_frame_ptr frame_info_fn,
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+ png_progressive_frame_ptr frame_end_fn));
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+#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
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+#endif /* PNG_READ_APNG_SUPPORTED */
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+
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+#ifdef PNG_WRITE_APNG_SUPPORTED
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-+PNG_EXPORT(255, void, png_write_frame_head, (png_structp png_ptr,
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++PNG_EXPORT(263, void, png_write_frame_head, (png_structp png_ptr,
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+ png_infop info_ptr, png_bytepp row_pointers,
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+ png_uint_32 width, png_uint_32 height,
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+ png_uint_32 x_offset, png_uint_32 y_offset,
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+ png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op,
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+ png_byte blend_op));
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+
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-+PNG_EXPORT(256, void, png_write_frame_tail, (png_structp png_ptr,
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++PNG_EXPORT(264, void, png_write_frame_tail, (png_structp png_ptr,
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+ png_infop info_ptr));
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+#endif /* PNG_WRITE_APNG_SUPPORTED */
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+#endif /* PNG_APNG_SUPPORTED */
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/* Maintainer: Put new public prototypes here ^, in libpng.3, and project
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- * defs
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-@@ -2712,7 +2803,11 @@
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+ * defs, scripts/pnglibconf.h, and scripts/pnglibconf.h.prebuilt
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+@@ -3310,7 +3401,11 @@
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* scripts/symbols.def as well.
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*/
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#ifdef PNG_EXPORT_LAST_ORDINAL
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+#ifdef PNG_APNG_SUPPORTED
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-+ PNG_EXPORT_LAST_ORDINAL(256);
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++ PNG_EXPORT_LAST_ORDINAL(264);
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+#else
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- PNG_EXPORT_LAST_ORDINAL(236);
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+ PNG_EXPORT_LAST_ORDINAL(244);
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+#endif /* PNG_APNG_SUPPORTED */
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#endif
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#ifdef __cplusplus
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-diff -Naru libpng-1.5.15.org/pngget.c libpng-1.5.15/pngget.c
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-+++ libpng-1.5.15/pngget.c 2013-04-02 20:39:30.000000000 +0900
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-@@ -1140,4 +1140,166 @@
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+diff -Naru libpng-1.6.8.org/pngget.c libpng-1.6.8/pngget.c
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+--- libpng-1.6.8.org/pngget.c 2013-12-22 17:03:17.220988502 +0900
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+@@ -1174,4 +1174,166 @@
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# endif
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#endif
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@@ -309,10 +309,10 @@ diff -Naru libpng-1.5.15.org/pngget.c libpng-1.5.15/pngget.c
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+}
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+#endif /* PNG_APNG_SUPPORTED */
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#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
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-diff -Naru libpng-1.5.15.org/pnginfo.h libpng-1.5.15/pnginfo.h
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-+++ libpng-1.5.15/pnginfo.h 2013-04-02 20:39:30.000000000 +0900
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-@@ -265,5 +265,18 @@
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+diff -Naru libpng-1.6.8.org/pnginfo.h libpng-1.6.8/pnginfo.h
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+--- libpng-1.6.8.org/pnginfo.h 2013-12-22 17:03:17.220988502 +0900
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+@@ -256,5 +256,18 @@
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png_bytepp row_pointers; /* the image bits */
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#endif
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@@ -331,10 +331,10 @@ diff -Naru libpng-1.5.15.org/pnginfo.h libpng-1.5.15/pnginfo.h
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+
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};
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#endif /* PNGINFO_H */
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-diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
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-+++ libpng-1.5.15/pngpread.c 2013-04-02 20:39:30.000000000 +0900
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-@@ -215,6 +215,109 @@
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+diff -Naru libpng-1.6.8.org/pngpread.c libpng-1.6.8/pngpread.c
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+--- libpng-1.6.8.org/pngpread.c 2013-12-22 17:03:17.221988534 +0900
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+@@ -217,6 +217,109 @@
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chunk_name = png_ptr->chunk_name;
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@@ -443,22 +443,21 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
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+
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if (chunk_name == png_IDAT)
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{
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- /* This is here above the if/else case statement below because if the
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-@@ -318,6 +421,10 @@
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- png_benign_error(png_ptr, "Too many IDATs found");
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- }
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+ if (png_ptr->mode & PNG_AFTER_IDAT)
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+@@ -299,6 +402,9 @@
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+ else if (chunk_name == png_IDAT)
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+ {
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+#ifdef PNG_READ_APNG_SUPPORTED
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+ png_have_info(png_ptr, info_ptr);
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+#endif
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-+
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png_ptr->idat_size = png_ptr->push_length;
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- png_ptr->mode |= PNG_HAVE_IDAT;
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png_ptr->process_mode = PNG_READ_IDAT_MODE;
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-@@ -551,6 +658,28 @@
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-
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+ png_push_have_info(png_ptr, info_ptr);
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+@@ -529,6 +635,30 @@
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+ png_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length);
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+ }
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#endif
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-
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+#ifdef PNG_READ_APNG_SUPPORTED
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+ else if (chunk_name == png_acTL)
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+ {
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@@ -467,6 +466,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
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+ png_push_save_buffer(png_ptr);
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+ return;
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+ }
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++
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+ png_handle_acTL(png_ptr, info_ptr, png_ptr->push_length);
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+ }
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+
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@@ -477,14 +477,15 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
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+ png_push_save_buffer(png_ptr);
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+ return;
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+ }
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++
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+ png_handle_fcTL(png_ptr, info_ptr, png_ptr->push_length);
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+ }
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-+#endif /* PNG_READ_APNG_SUPPORTED */
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+
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++#endif /* PNG_READ_APNG_SUPPORTED */
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+
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else
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{
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- if (png_ptr->push_length + 4 > png_ptr->buffer_size)
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-@@ -758,7 +887,11 @@
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+@@ -731,7 +861,11 @@
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png_byte chunk_tag[4];
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/* TODO: this code can be commoned up with the same code in push_read */
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@@ -496,14 +497,14 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
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{
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png_push_save_buffer(png_ptr);
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return;
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-@@ -771,17 +904,64 @@
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+@@ -744,17 +878,64 @@
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png_ptr->chunk_name = PNG_CHUNK_FROM_STRING(chunk_tag);
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png_ptr->mode |= PNG_HAVE_CHUNK_HEADER;
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+#ifdef PNG_READ_APNG_SUPPORTED
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+ if (png_ptr->chunk_name != png_fdAT && png_ptr->num_frames_read > 0)
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+ {
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-+ if (png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)
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++ if (png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED)
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+ {
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+ png_ptr->process_mode = PNG_READ_CHUNK_MODE;
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+ if (png_ptr->frame_end_fn != NULL)
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@@ -537,7 +538,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
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{
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png_ptr->process_mode = PNG_READ_CHUNK_MODE;
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|
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- if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
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+ if (!(png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED))
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|
png_error(png_ptr, "Not enough compressed data");
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|
|
+#ifdef PNG_READ_APNG_SUPPORTED
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@@ -561,7 +562,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
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|
}
|
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|
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if (png_ptr->idat_size && png_ptr->save_buffer_size)
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-@@ -859,6 +1039,15 @@
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+@@ -832,6 +1013,15 @@
|
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|
if (!(buffer_length > 0) || buffer == NULL)
|
|
|
png_error(png_ptr, "No IDAT data (internal error)");
|
|
|
|
|
|
@@ -569,7 +570,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
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+ /* If the app is not APNG-aware, decode only the first frame */
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|
+ if (!(png_ptr->apng_flags & PNG_APNG_APP) && png_ptr->num_frames_read > 0)
|
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|
+ {
|
|
|
-+ png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
|
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|
++ png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED;
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|
|
+ return;
|
|
|
+ }
|
|
|
+#endif
|
|
|
@@ -577,7 +578,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
|
|
|
/* This routine must process all the data it has been given
|
|
|
* before returning, calling the row callback as required to
|
|
|
* handle the uncompressed results.
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|
|
-@@ -1304,6 +1493,18 @@
|
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|
+@@ -1280,6 +1470,18 @@
|
|
|
png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer);
|
|
|
}
|
|
|
|
|
|
@@ -594,30 +595,30 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c
|
|
|
+#endif
|
|
|
+
|
|
|
png_voidp PNGAPI
|
|
|
- png_get_progressive_ptr(png_const_structp png_ptr)
|
|
|
+ png_get_progressive_ptr(png_const_structrp png_ptr)
|
|
|
{
|
|
|
-diff -Naru libpng-1.5.15.org/pngpriv.h libpng-1.5.15/pngpriv.h
|
|
|
|
|
|
-+++ libpng-1.5.15/pngpriv.h 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -461,6 +461,10 @@
|
|
|
- #define PNG_HAVE_PNG_SIGNATURE 0x1000
|
|
|
+diff -Naru libpng-1.6.8.org/pngpriv.h libpng-1.6.8/pngpriv.h
|
|
|
+--- libpng-1.6.8.org/pngpriv.h 2013-12-22 17:03:17.221988534 +0900
|
|
|
|
|
|
+@@ -550,6 +550,10 @@
|
|
|
#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
|
|
|
- #define PNG_HAVE_iCCP 0x4000
|
|
|
+ /* 0x4000 (unused) */
|
|
|
+ #define PNG_IS_READ_STRUCT 0x8000 /* Else is a write struct */
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
-+#define PNG_HAVE_acTL 0x8000
|
|
|
-+#define PNG_HAVE_fcTL 0x10000
|
|
|
++#define PNG_HAVE_acTL 0x10000
|
|
|
++#define PNG_HAVE_fcTL 0x20000
|
|
|
+#endif
|
|
|
|
|
|
/* Flags for the transformations the PNG library does on the image data */
|
|
|
#define PNG_BGR 0x0001
|
|
|
-@@ -658,6 +662,16 @@
|
|
|
- #define png_tRNS PNG_CHUNK(116, 82, 78, 83)
|
|
|
- #define png_zTXt PNG_CHUNK(122, 84, 88, 116)
|
|
|
+@@ -771,6 +775,16 @@
|
|
|
+ #define png_tRNS PNG_U32(116, 82, 78, 83)
|
|
|
+ #define png_zTXt PNG_U32(122, 84, 88, 116)
|
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
-+#define png_acTL PNG_CHUNK( 97, 99, 84, 76)
|
|
|
-+#define png_fcTL PNG_CHUNK(102, 99, 84, 76)
|
|
|
-+#define png_fdAT PNG_CHUNK(102, 100, 65, 84)
|
|
|
++#define png_acTL PNG_U32( 97, 99, 84, 76)
|
|
|
++#define png_fcTL PNG_U32(102, 99, 84, 76)
|
|
|
++#define png_fdAT PNG_U32(102, 100, 65, 84)
|
|
|
+
|
|
|
+/* For png_struct.apng_flags: */
|
|
|
+#define PNG_FIRST_FRAME_HIDDEN 0x0001
|
|
|
@@ -627,66 +628,68 @@ diff -Naru libpng-1.5.15.org/pngpriv.h libpng-1.5.15/pngpriv.h
|
|
|
/* The following will work on (signed char*) strings, whereas the get_uint_32
|
|
|
* macro will fail on top-bit-set values because of the sign extension.
|
|
|
*/
|
|
|
-@@ -1349,6 +1363,45 @@
|
|
|
- png_bytep row));
|
|
|
+@@ -1583,6 +1597,47 @@
|
|
|
+ */
|
|
|
#endif
|
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
-+PNG_EXTERN void png_ensure_fcTL_is_valid PNGARG((png_structp png_ptr,
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_ensure_fcTL_is_valid,(png_structp png_ptr,
|
|
|
+ png_uint_32 width, png_uint_32 height,
|
|
|
+ png_uint_32 x_offset, png_uint_32 y_offset,
|
|
|
+ png_uint_16 delay_num, png_uint_16 delay_den,
|
|
|
-+ png_byte dispose_op, png_byte blend_op));
|
|
|
++ png_byte dispose_op, png_byte blend_op), PNG_EMPTY);
|
|
|
+
|
|
|
+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
-+PNG_EXTERN void png_handle_acTL PNGARG((png_structp png_ptr, png_infop info_ptr,
|
|
|
-+ png_uint_32 length));
|
|
|
-+PNG_EXTERN void png_handle_fcTL PNGARG((png_structp png_ptr, png_infop info_ptr,
|
|
|
-+ png_uint_32 length));
|
|
|
-+PNG_EXTERN void png_handle_fdAT PNGARG((png_structp png_ptr, png_infop info_ptr,
|
|
|
-+ png_uint_32 length));
|
|
|
-+PNG_EXTERN void png_have_info PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
-+PNG_EXTERN void png_ensure_sequence_number PNGARG((png_structp png_ptr,
|
|
|
-+ png_uint_32 length));
|
|
|
-+PNG_EXTERN void png_read_reset PNGARG((png_structp png_ptr));
|
|
|
-+PNG_EXTERN void png_read_reinit PNGARG((png_structp png_ptr,
|
|
|
-+ png_infop info_ptr));
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_handle_acTL,(png_structp png_ptr, png_infop info_ptr,
|
|
|
++ png_uint_32 length),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_handle_fcTL,(png_structp png_ptr, png_infop info_ptr,
|
|
|
++ png_uint_32 length),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_handle_fdAT,(png_structp png_ptr, png_infop info_ptr,
|
|
|
++ png_uint_32 length),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_have_info,(png_structp png_ptr, png_infop info_ptr),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_ensure_sequence_number,(png_structp png_ptr,
|
|
|
++ png_uint_32 length),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_read_reset,(png_structp png_ptr),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_read_reinit,(png_structp png_ptr,
|
|
|
++ png_infop info_ptr),PNG_EMPTY);
|
|
|
+#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
|
|
|
-+PNG_EXTERN void png_progressive_read_reset PNGARG((png_structp png_ptr));
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_progressive_read_reset,(png_structp png_ptr),PNG_EMPTY);
|
|
|
+#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
|
|
|
+#endif /* PNG_READ_APNG_SUPPORTED */
|
|
|
+
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
-+PNG_EXTERN void png_write_acTL PNGARG((png_structp png_ptr,
|
|
|
-+ png_uint_32 num_frames, png_uint_32 num_plays));
|
|
|
-+PNG_EXTERN void png_write_fcTL PNGARG((png_structp png_ptr,
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_write_acTL,(png_structp png_ptr,
|
|
|
++ png_uint_32 num_frames, png_uint_32 num_plays),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_write_fcTL,(png_structp png_ptr,
|
|
|
+ png_uint_32 width, png_uint_32 height,
|
|
|
+ png_uint_32 x_offset, png_uint_32 y_offset,
|
|
|
+ png_uint_16 delay_num, png_uint_16 delay_den,
|
|
|
-+ png_byte dispose_op, png_byte blend_op));
|
|
|
-+PNG_EXTERN void png_write_reset PNGARG((png_structp png_ptr));
|
|
|
-+PNG_EXTERN void png_write_reinit PNGARG((png_structp png_ptr,
|
|
|
-+ png_infop info_ptr, png_uint_32 width, png_uint_32 height));
|
|
|
++ png_byte dispose_op, png_byte blend_op),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_write_fdAT,(png_structp png_ptr,
|
|
|
++ png_const_bytep data, png_size_t length),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_write_reset,(png_structp png_ptr),PNG_EMPTY);
|
|
|
++PNG_INTERNAL_FUNCTION(void,png_write_reinit,(png_structp png_ptr,
|
|
|
++ png_infop info_ptr, png_uint_32 width, png_uint_32 height),PNG_EMPTY);
|
|
|
+#endif /* PNG_WRITE_APNG_SUPPORTED */
|
|
|
+#endif /* PNG_APNG_SUPPORTED */
|
|
|
+
|
|
|
/* Added at libpng version 1.4.0 */
|
|
|
- #ifdef PNG_CHECK_cHRM_SUPPORTED
|
|
|
- PNG_EXTERN int png_check_cHRM_fixed PNGARG((png_structp png_ptr,
|
|
|
-diff -Naru libpng-1.5.15.org/pngread.c libpng-1.5.15/pngread.c
|
|
|
|
|
|
-+++ libpng-1.5.15/pngread.c 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -240,6 +240,9 @@
|
|
|
- !(png_ptr->mode & PNG_HAVE_PLTE))
|
|
|
- png_error(png_ptr, "Missing PLTE before IDAT");
|
|
|
+ #ifdef PNG_COLORSPACE_SUPPORTED
|
|
|
+ /* These internal functions are for maintaining the colorspace structure within
|
|
|
+diff -Naru libpng-1.6.8.org/pngread.c libpng-1.6.8/pngread.c
|
|
|
+--- libpng-1.6.8.org/pngread.c 2013-12-22 17:03:17.222988566 +0900
|
|
|
|
|
|
+@@ -158,6 +158,9 @@
|
|
|
|
|
|
+ else if (chunk_name == png_IDAT)
|
|
|
+ {
|
|
|
+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
+ png_have_info(png_ptr, info_ptr);
|
|
|
+#endif
|
|
|
png_ptr->idat_size = length;
|
|
|
- png_ptr->mode |= PNG_HAVE_IDAT;
|
|
|
break;
|
|
|
-@@ -330,12 +333,90 @@
|
|
|
+ }
|
|
|
+@@ -247,6 +250,17 @@
|
|
|
png_handle_iTXt(png_ptr, info_ptr, length);
|
|
|
#endif
|
|
|
|
|
|
@@ -702,8 +705,9 @@ diff -Naru libpng-1.5.15.org/pngread.c libpng-1.5.15/pngread.c
|
|
|
+#endif
|
|
|
+
|
|
|
else
|
|
|
- png_handle_unknown(png_ptr, info_ptr, length);
|
|
|
- }
|
|
|
+ png_handle_unknown(png_ptr, info_ptr, length,
|
|
|
+ PNG_HANDLE_CHUNK_AS_DEFAULT);
|
|
|
+@@ -254,6 +268,72 @@
|
|
|
}
|
|
|
#endif /* PNG_SEQUENTIAL_READ_SUPPORTED */
|
|
|
|
|
|
@@ -723,9 +727,8 @@ diff -Naru libpng-1.5.15.org/pngread.c libpng-1.5.15/pngread.c
|
|
|
+ if (png_ptr->num_frames_read == 0)
|
|
|
+ return;
|
|
|
+
|
|
|
-+ png_crc_finish(png_ptr, 0); /* CRC from last IDAT or fdAT chunk */
|
|
|
-+
|
|
|
+ png_read_reset(png_ptr);
|
|
|
++ png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
|
|
|
+ png_ptr->mode &= ~PNG_HAVE_fcTL;
|
|
|
+
|
|
|
+ have_chunk_after_DAT = 0;
|
|
|
@@ -776,68 +779,11 @@ diff -Naru libpng-1.5.15.org/pngread.c libpng-1.5.15/pngread.c
|
|
|
+
|
|
|
/* Optional call to update the users info_ptr structure */
|
|
|
void PNGAPI
|
|
|
- png_read_update_info(png_structp png_ptr, png_infop info_ptr)
|
|
|
-@@ -537,6 +618,38 @@
|
|
|
- {
|
|
|
- if (!(png_ptr->zstream.avail_in))
|
|
|
- {
|
|
|
-+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
-+ png_uint_32 bytes_to_skip = 0;
|
|
|
-+
|
|
|
-+ while (!png_ptr->idat_size || bytes_to_skip != 0)
|
|
|
-+ {
|
|
|
-+ png_crc_finish(png_ptr, bytes_to_skip);
|
|
|
-+ bytes_to_skip = 0;
|
|
|
-+
|
|
|
-+ png_ptr->idat_size = png_read_chunk_header(png_ptr);
|
|
|
-+ if (png_ptr->num_frames_read == 0)
|
|
|
-+ {
|
|
|
-+ if (png_ptr->chunk_name != png_IDAT)
|
|
|
-+ png_error(png_ptr, "Not enough image data");
|
|
|
-+ }
|
|
|
-+ else
|
|
|
-+ {
|
|
|
-+ if (png_ptr->chunk_name == png_IEND)
|
|
|
-+ png_error(png_ptr, "Not enough image data");
|
|
|
-+ if (png_ptr->chunk_name != png_fdAT)
|
|
|
-+ {
|
|
|
-+ png_warning(png_ptr, "Skipped (ignored) a chunk "
|
|
|
-+ "between APNG chunks");
|
|
|
-+ bytes_to_skip = png_ptr->idat_size;
|
|
|
-+ continue;
|
|
|
-+ }
|
|
|
-+
|
|
|
-+ png_ensure_sequence_number(png_ptr, png_ptr->idat_size);
|
|
|
-+
|
|
|
-+ png_ptr->idat_size -= 4;
|
|
|
-+ }
|
|
|
-+ }
|
|
|
-+#else
|
|
|
- while (!png_ptr->idat_size)
|
|
|
- {
|
|
|
- png_crc_finish(png_ptr, 0);
|
|
|
-@@ -545,6 +658,7 @@
|
|
|
- if (png_ptr->chunk_name != png_IDAT)
|
|
|
- png_error(png_ptr, "Not enough image data");
|
|
|
- }
|
|
|
-+#endif
|
|
|
- png_ptr->zstream.avail_in = (uInt)png_ptr->zbuf_size;
|
|
|
- png_ptr->zstream.next_in = png_ptr->zbuf;
|
|
|
- if (png_ptr->zbuf_size > png_ptr->idat_size)
|
|
|
-@@ -563,6 +677,9 @@
|
|
|
- png_benign_error(png_ptr, "Extra compressed data");
|
|
|
- png_ptr->mode |= PNG_AFTER_IDAT;
|
|
|
- png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
|
|
|
-+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
-+ png_ptr->num_frames_read++;
|
|
|
-+#endif
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
-diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c
|
|
|
|
|
|
-+++ libpng-1.5.15/pngrutil.c 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -547,6 +547,11 @@
|
|
|
+ png_read_update_info(png_structrp png_ptr, png_inforp info_ptr)
|
|
|
+diff -Naru libpng-1.6.8.org/pngrutil.c libpng-1.6.8/pngrutil.c
|
|
|
+--- libpng-1.6.8.org/pngrutil.c 2013-12-22 17:03:17.224988631 +0900
|
|
|
|
|
|
+@@ -826,6 +826,11 @@
|
|
|
filter_type = buf[11];
|
|
|
interlace_type = buf[12];
|
|
|
|
|
|
@@ -849,7 +795,7 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c
|
|
|
/* Set internal variables */
|
|
|
png_ptr->width = width;
|
|
|
png_ptr->height = height;
|
|
|
-@@ -2624,6 +2629,179 @@
|
|
|
+@@ -2700,6 +2705,179 @@
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
@@ -1026,10 +972,68 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c
|
|
|
+}
|
|
|
+#endif /* PNG_READ_APNG_SUPPORTED */
|
|
|
+
|
|
|
- /* This function is called when we haven't found a handler for a
|
|
|
- * chunk. If there isn't a problem with the chunk itself (ie bad
|
|
|
- * chunk name, CRC, or a critical chunk), the chunk is silently ignored
|
|
|
-@@ -4114,4 +4292,81 @@
|
|
|
+ #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
|
|
|
+ /* Utility function for png_handle_unknown; set up png_ptr::unknown_chunk */
|
|
|
+ static int
|
|
|
+@@ -3956,7 +4134,38 @@
|
|
|
+ {
|
|
|
+ uInt avail_in;
|
|
|
+ png_bytep buffer;
|
|
|
++#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
++ png_uint_32 bytes_to_skip = 0;
|
|
|
++
|
|
|
++ while (png_ptr->idat_size == 0 || bytes_to_skip != 0)
|
|
|
++ {
|
|
|
++ png_crc_finish(png_ptr, bytes_to_skip);
|
|
|
++ bytes_to_skip = 0;
|
|
|
+
|
|
|
++ png_ptr->idat_size = png_read_chunk_header(png_ptr);
|
|
|
++ if (png_ptr->num_frames_read == 0)
|
|
|
++ {
|
|
|
++ if (png_ptr->chunk_name != png_IDAT)
|
|
|
++ png_error(png_ptr, "Not enough image data");
|
|
|
++ }
|
|
|
++ else
|
|
|
++ {
|
|
|
++ if (png_ptr->chunk_name == png_IEND)
|
|
|
++ png_error(png_ptr, "Not enough image data");
|
|
|
++ if (png_ptr->chunk_name != png_fdAT)
|
|
|
++ {
|
|
|
++ png_warning(png_ptr, "Skipped (ignored) a chunk "
|
|
|
++ "between APNG chunks");
|
|
|
++ bytes_to_skip = png_ptr->idat_size;
|
|
|
++ continue;
|
|
|
++ }
|
|
|
++
|
|
|
++ png_ensure_sequence_number(png_ptr, png_ptr->idat_size);
|
|
|
++
|
|
|
++ png_ptr->idat_size -= 4;
|
|
|
++ }
|
|
|
++ }
|
|
|
++#else
|
|
|
+ while (png_ptr->idat_size == 0)
|
|
|
+ {
|
|
|
+ png_crc_finish(png_ptr, 0);
|
|
|
+@@ -3968,7 +4177,7 @@
|
|
|
+ if (png_ptr->chunk_name != png_IDAT)
|
|
|
+ png_error(png_ptr, "Not enough image data");
|
|
|
+ }
|
|
|
+-
|
|
|
++#endif /* PNG_READ_APNG_SUPPORTED */
|
|
|
+ avail_in = png_ptr->IDAT_read_size;
|
|
|
+
|
|
|
+ if (avail_in > png_ptr->idat_size)
|
|
|
+@@ -4031,6 +4240,9 @@
|
|
|
+
|
|
|
+ png_ptr->mode |= PNG_AFTER_IDAT;
|
|
|
+ png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED;
|
|
|
++#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
++ png_ptr->num_frames_read++;
|
|
|
++#endif
|
|
|
+
|
|
|
+ if (png_ptr->zstream.avail_in > 0 || png_ptr->idat_size > 0)
|
|
|
+ png_chunk_benign_error(png_ptr, "Extra compressed data");
|
|
|
+@@ -4476,4 +4688,80 @@
|
|
|
|
|
|
png_ptr->flags |= PNG_FLAG_ROW_INIT;
|
|
|
}
|
|
|
@@ -1045,7 +1049,6 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c
|
|
|
+ png_ptr->mode &= ~PNG_AFTER_IDAT;
|
|
|
+ png_ptr->row_number = 0;
|
|
|
+ png_ptr->pass = 0;
|
|
|
-+ png_ptr->flags &= ~PNG_FLAG_ROW_INIT;
|
|
|
+}
|
|
|
+
|
|
|
+void /* PRIVATE */
|
|
|
@@ -1057,7 +1060,7 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c
|
|
|
+ png_ptr->info_rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth,
|
|
|
+ png_ptr->width);
|
|
|
+ if (png_ptr->prev_row)
|
|
|
-+ png_memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
|
|
|
++ memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
|
|
|
+}
|
|
|
+
|
|
|
+#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
|
|
|
@@ -1069,16 +1072,16 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c
|
|
|
+ /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
|
|
|
+
|
|
|
+ /* Start of interlace block */
|
|
|
-+ const int FARDATA png_pass_start[] = {0, 4, 0, 2, 0, 1, 0};
|
|
|
++ const int png_pass_start[] = {0, 4, 0, 2, 0, 1, 0};
|
|
|
+
|
|
|
+ /* Offset to next interlace block */
|
|
|
-+ const int FARDATA png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1};
|
|
|
++ const int png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1};
|
|
|
+
|
|
|
+ /* Start of interlace block in the y direction */
|
|
|
-+ const int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
|
|
|
++ const int png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
|
|
|
+
|
|
|
+ /* Offset to next interlace block in the y direction */
|
|
|
-+ const int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
|
|
|
++ const int png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
|
|
|
+
|
|
|
+ if (png_ptr->interlaced)
|
|
|
+ {
|
|
|
@@ -1099,7 +1102,7 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c
|
|
|
+ png_ptr->num_rows = png_ptr->height;
|
|
|
+ png_ptr->iwidth = png_ptr->width;
|
|
|
+ }
|
|
|
-+ png_ptr->flags &= ~PNG_FLAG_ZLIB_FINISHED;
|
|
|
++ png_ptr->flags &= ~PNG_FLAG_ZSTREAM_ENDED;
|
|
|
+ if (inflateReset(&(png_ptr->zstream)) != Z_OK)
|
|
|
+ png_error(png_ptr, "inflateReset failed");
|
|
|
+ png_ptr->zstream.avail_in = 0;
|
|
|
@@ -1111,13 +1114,13 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c
|
|
|
+#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
|
|
|
+#endif /* PNG_READ_APNG_SUPPORTED */
|
|
|
#endif /* PNG_READ_SUPPORTED */
|
|
|
-diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c
|
|
|
|
|
|
-+++ libpng-1.5.15/pngset.c 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -262,6 +262,11 @@
|
|
|
- info_ptr->rowbytes = 0;
|
|
|
- else
|
|
|
- info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width);
|
|
|
+diff -Naru libpng-1.6.8.org/pngset.c libpng-1.6.8/pngset.c
|
|
|
+--- libpng-1.6.8.org/pngset.c 2013-12-22 17:03:17.224988631 +0900
|
|
|
|
|
|
+@@ -239,6 +239,11 @@
|
|
|
+ info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth);
|
|
|
+
|
|
|
+ info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width);
|
|
|
+
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
+ /* for non-animated png. this may be overwritten from an acTL chunk later */
|
|
|
@@ -1126,7 +1129,7 @@ diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c
|
|
|
}
|
|
|
|
|
|
#ifdef PNG_oFFs_SUPPORTED
|
|
|
-@@ -1048,6 +1053,147 @@
|
|
|
+@@ -1065,6 +1070,147 @@
|
|
|
}
|
|
|
#endif /* PNG_sPLT_SUPPORTED */
|
|
|
|
|
|
@@ -1225,10 +1228,6 @@ diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c
|
|
|
+ png_uint_16 delay_num, png_uint_16 delay_den,
|
|
|
+ png_byte dispose_op, png_byte blend_op)
|
|
|
+{
|
|
|
-+ if (width + x_offset > png_ptr->first_frame_width ||
|
|
|
-+ height + y_offset > png_ptr->first_frame_height)
|
|
|
-+ png_error(png_ptr, "dimensions of a frame are greater than"
|
|
|
-+ "the ones in IHDR");
|
|
|
+ if (width > PNG_UINT_31_MAX)
|
|
|
+ png_error(png_ptr, "invalid width in fcTL (> 2^31-1)");
|
|
|
+ if (height > PNG_UINT_31_MAX)
|
|
|
@@ -1237,6 +1236,10 @@ diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c
|
|
|
+ png_error(png_ptr, "invalid x_offset in fcTL (> 2^31-1)");
|
|
|
+ if (y_offset > PNG_UINT_31_MAX)
|
|
|
+ png_error(png_ptr, "invalid y_offset in fcTL (> 2^31-1)");
|
|
|
++ if (width + x_offset > png_ptr->first_frame_width ||
|
|
|
++ height + y_offset > png_ptr->first_frame_height)
|
|
|
++ png_error(png_ptr, "dimensions of a frame are greater than"
|
|
|
++ "the ones in IHDR");
|
|
|
+
|
|
|
+ if (dispose_op != PNG_DISPOSE_OP_NONE &&
|
|
|
+ dispose_op != PNG_DISPOSE_OP_BACKGROUND &&
|
|
|
@@ -1271,13 +1274,13 @@ diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c
|
|
|
+}
|
|
|
+#endif /* PNG_APNG_SUPPORTED */
|
|
|
+
|
|
|
- #ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
|
|
|
- void PNGAPI
|
|
|
- png_set_unknown_chunks(png_structp png_ptr,
|
|
|
-diff -Naru libpng-1.5.15.org/pngstruct.h libpng-1.5.15/pngstruct.h
|
|
|
|
|
|
-+++ libpng-1.5.15/pngstruct.h 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -293,6 +293,27 @@
|
|
|
+ #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
|
|
|
+ static png_byte
|
|
|
+ check_location(png_const_structrp png_ptr, int location)
|
|
|
+diff -Naru libpng-1.6.8.org/pngstruct.h libpng-1.6.8/pngstruct.h
|
|
|
+--- libpng-1.6.8.org/pngstruct.h 2013-12-22 17:03:17.224988631 +0900
|
|
|
|
|
|
+@@ -409,6 +409,27 @@
|
|
|
png_byte filter_type;
|
|
|
#endif
|
|
|
|
|
|
@@ -1305,10 +1308,10 @@ diff -Naru libpng-1.5.15.org/pngstruct.h libpng-1.5.15/pngstruct.h
|
|
|
/* New members added in libpng-1.2.0 */
|
|
|
|
|
|
/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
|
|
|
-diff -Naru libpng-1.5.15.org/pngtest.c libpng-1.5.15/pngtest.c
|
|
|
|
|
|
-+++ libpng-1.5.15/pngtest.c 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -822,6 +822,10 @@
|
|
|
+diff -Naru libpng-1.6.8.org/pngtest.c libpng-1.6.8/pngtest.c
|
|
|
+--- libpng-1.6.8.org/pngtest.c 2013-12-22 17:03:17.224988631 +0900
|
|
|
|
|
|
+@@ -840,6 +840,10 @@
|
|
|
png_uint_32 width, height;
|
|
|
int num_pass, pass;
|
|
|
int bit_depth, color_type;
|
|
|
@@ -1319,7 +1322,7 @@ diff -Naru libpng-1.5.15.org/pngtest.c libpng-1.5.15/pngtest.c
|
|
|
|
|
|
row_buf = NULL;
|
|
|
error_parameters.file_name = inname;
|
|
|
-@@ -1271,6 +1275,20 @@
|
|
|
+@@ -1290,6 +1294,20 @@
|
|
|
}
|
|
|
}
|
|
|
#endif
|
|
|
@@ -1340,7 +1343,7 @@ diff -Naru libpng-1.5.15.org/pngtest.c libpng-1.5.15/pngtest.c
|
|
|
#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
|
|
|
{
|
|
|
png_unknown_chunkp unknowns;
|
|
|
-@@ -1336,6 +1354,89 @@
|
|
|
+@@ -1355,6 +1373,89 @@
|
|
|
t_misc += (t_stop - t_start);
|
|
|
t_start = t_stop;
|
|
|
#endif
|
|
|
@@ -1430,21 +1433,21 @@ diff -Naru libpng-1.5.15.org/pngtest.c libpng-1.5.15/pngtest.c
|
|
|
for (pass = 0; pass < num_pass; pass++)
|
|
|
{
|
|
|
pngtest_debug1("Writing row data for pass %d", pass);
|
|
|
-diff -Naru libpng-1.5.15.org/pngwrite.c libpng-1.5.15/pngwrite.c
|
|
|
|
|
|
-+++ libpng-1.5.15/pngwrite.c 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -58,6 +58,10 @@
|
|
|
- /* The rest of these check to see if the valid field has the appropriate
|
|
|
- * flag set, and if it does, writes the chunk.
|
|
|
+diff -Naru libpng-1.6.8.org/pngwrite.c libpng-1.6.8/pngwrite.c
|
|
|
+--- libpng-1.6.8.org/pngwrite.c 2013-12-22 17:03:17.225988663 +0900
|
|
|
|
|
|
+@@ -127,6 +127,10 @@
|
|
|
+ * application continues writing the PNG. So check the 'invalid' flag here
|
|
|
+ * too.
|
|
|
*/
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
+ if (info_ptr->valid & PNG_INFO_acTL)
|
|
|
+ png_write_acTL(png_ptr, info_ptr->num_frames, info_ptr->num_plays);
|
|
|
+#endif
|
|
|
- #ifdef PNG_WRITE_gAMA_SUPPORTED
|
|
|
- if (info_ptr->valid & PNG_INFO_gAMA)
|
|
|
- png_write_gAMA_fixed(png_ptr, info_ptr->gamma);
|
|
|
-@@ -310,6 +314,11 @@
|
|
|
+ #ifdef PNG_GAMMA_SUPPORTED
|
|
|
+ # ifdef PNG_WRITE_gAMA_SUPPORTED
|
|
|
+ if (!(info_ptr->colorspace.flags & PNG_COLORSPACE_INVALID) &&
|
|
|
+@@ -357,6 +361,11 @@
|
|
|
png_benign_error(png_ptr, "Wrote palette index exceeding num_palette");
|
|
|
#endif
|
|
|
|
|
|
@@ -1456,11 +1459,10 @@ diff -Naru libpng-1.5.15.org/pngwrite.c libpng-1.5.15/pngwrite.c
|
|
|
/* See if user wants us to write information chunks */
|
|
|
if (info_ptr != NULL)
|
|
|
{
|
|
|
-@@ -1667,4 +1676,42 @@
|
|
|
- PNG_UNUSED(params)
|
|
|
+@@ -1560,6 +1569,43 @@
|
|
|
}
|
|
|
#endif
|
|
|
-+
|
|
|
+
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
+void PNGAPI
|
|
|
+png_write_frame_head(png_structp png_ptr, png_infop info_ptr,
|
|
|
@@ -1498,11 +1500,13 @@ diff -Naru libpng-1.5.15.org/pngwrite.c libpng-1.5.15/pngwrite.c
|
|
|
+ PNG_UNUSED(info_ptr)
|
|
|
+}
|
|
|
+#endif /* PNG_WRITE_APNG_SUPPORTED */
|
|
|
- #endif /* PNG_WRITE_SUPPORTED */
|
|
|
-diff -Naru libpng-1.5.15.org/pngwutil.c libpng-1.5.15/pngwutil.c
|
|
|
|
|
|
-+++ libpng-1.5.15/pngwutil.c 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -818,6 +818,11 @@
|
|
|
+
|
|
|
+ #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED
|
|
|
+ #ifdef PNG_STDIO_SUPPORTED /* currently required for png_image_write_* */
|
|
|
+diff -Naru libpng-1.6.8.org/pngwutil.c libpng-1.6.8/pngwutil.c
|
|
|
+--- libpng-1.6.8.org/pngwutil.c 2013-12-22 17:03:17.226988695 +0900
|
|
|
|
|
|
+@@ -898,6 +898,11 @@
|
|
|
/* Write the chunk */
|
|
|
png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13);
|
|
|
|
|
|
@@ -1511,39 +1515,41 @@ diff -Naru libpng-1.5.15.org/pngwutil.c libpng-1.5.15/pngwutil.c
|
|
|
+ png_ptr->first_frame_height = height;
|
|
|
+#endif
|
|
|
+
|
|
|
- /* Initialize zlib with PNG info */
|
|
|
- png_ptr->zstream.zalloc = png_zalloc;
|
|
|
- png_ptr->zstream.zfree = png_zfree;
|
|
|
-@@ -1032,7 +1037,28 @@
|
|
|
- }
|
|
|
- #endif /* PNG_WRITE_OPTIMIZE_CMF_SUPPORTED */
|
|
|
+ if (!(png_ptr->do_filter))
|
|
|
+ {
|
|
|
+ if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE ||
|
|
|
+@@ -1076,7 +1081,14 @@
|
|
|
+ optimize_cmf(data, png_image_size(png_ptr));
|
|
|
+ # endif
|
|
|
|
|
|
-+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
-+ if (png_ptr->num_frames_written == 0)
|
|
|
-+#endif
|
|
|
- png_write_complete_chunk(png_ptr, png_IDAT, data, length);
|
|
|
-+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
-+ else
|
|
|
-+ {
|
|
|
-+ png_byte buf[4];
|
|
|
-+
|
|
|
-+ png_write_chunk_header(png_ptr, png_fdAT, 4 + length);
|
|
|
-+
|
|
|
-+ png_save_uint_32(buf, png_ptr->next_seq_num);
|
|
|
-+ png_write_chunk_data(png_ptr, buf, 4);
|
|
|
-+
|
|
|
-+ png_write_chunk_data(png_ptr, data, length);
|
|
|
-+
|
|
|
-+ png_write_chunk_end(png_ptr);
|
|
|
-+
|
|
|
-+ png_ptr->next_seq_num++;
|
|
|
-+ }
|
|
|
-+#endif /* PNG_WRITE_APNG_SUPPORTED */
|
|
|
-+
|
|
|
- png_ptr->mode |= PNG_HAVE_IDAT;
|
|
|
++# ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
++ if (png_ptr->num_frames_written == 0)
|
|
|
++# endif
|
|
|
+ png_write_complete_chunk(png_ptr, png_IDAT, data, size);
|
|
|
++# ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
++ else
|
|
|
++ png_write_fdAT(png_ptr, data, size);
|
|
|
++# endif /* PNG_WRITE_APNG_SUPPORTED */
|
|
|
+ png_ptr->mode |= PNG_HAVE_IDAT;
|
|
|
|
|
|
- /* Prior to 1.5.4 this code was replicated in every caller (except at the
|
|
|
-@@ -1995,6 +2021,64 @@
|
|
|
+ png_ptr->zstream.next_out = data;
|
|
|
+@@ -1122,7 +1134,15 @@
|
|
|
+ optimize_cmf(data, png_image_size(png_ptr));
|
|
|
+ # endif
|
|
|
+
|
|
|
++# ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
++ if (png_ptr->num_frames_written == 0)
|
|
|
++# endif
|
|
|
+ png_write_complete_chunk(png_ptr, png_IDAT, data, size);
|
|
|
++# ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
++ else
|
|
|
++ png_write_fdAT(png_ptr, data, size);
|
|
|
++# endif /* PNG_WRITE_APNG_SUPPORTED */
|
|
|
++
|
|
|
+ png_ptr->zstream.avail_out = 0;
|
|
|
+ png_ptr->zstream.next_out = NULL;
|
|
|
+ png_ptr->mode |= PNG_HAVE_IDAT | PNG_AFTER_IDAT;
|
|
|
+@@ -1934,6 +1954,82 @@
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
@@ -1603,12 +1609,30 @@ diff -Naru libpng-1.5.15.org/pngwutil.c libpng-1.5.15/pngwutil.c
|
|
|
+
|
|
|
+ png_ptr->next_seq_num++;
|
|
|
+}
|
|
|
++
|
|
|
++void /* PRIVATE */
|
|
|
++png_write_fdAT(png_structp png_ptr,
|
|
|
++ png_const_bytep data, png_size_t length)
|
|
|
++{
|
|
|
++ png_byte buf[4];
|
|
|
++
|
|
|
++ png_write_chunk_header(png_ptr, png_fdAT, (png_uint_32)(4 + length));
|
|
|
++
|
|
|
++ png_save_uint_32(buf, png_ptr->next_seq_num);
|
|
|
++ png_write_chunk_data(png_ptr, buf, 4);
|
|
|
++
|
|
|
++ png_write_chunk_data(png_ptr, data, length);
|
|
|
++
|
|
|
++ png_write_chunk_end(png_ptr);
|
|
|
++
|
|
|
++ png_ptr->next_seq_num++;
|
|
|
++}
|
|
|
+#endif /* PNG_WRITE_APNG_SUPPORTED */
|
|
|
+
|
|
|
/* Initializes the row writing capability of libpng */
|
|
|
void /* PRIVATE */
|
|
|
- png_write_start_row(png_structp png_ptr)
|
|
|
-@@ -3174,4 +3258,39 @@
|
|
|
+ png_write_start_row(png_structrp png_ptr)
|
|
|
+@@ -3020,4 +3116,39 @@
|
|
|
}
|
|
|
#endif
|
|
|
}
|
|
|
@@ -1648,30 +1672,30 @@ diff -Naru libpng-1.5.15.org/pngwutil.c libpng-1.5.15/pngwutil.c
|
|
|
+}
|
|
|
+#endif /* PNG_WRITE_APNG_SUPPORTED */
|
|
|
#endif /* PNG_WRITE_SUPPORTED */
|
|
|
-diff -Naru libpng-1.5.15.org/scripts/symbols.def libpng-1.5.15/scripts/symbols.def
|
|
|
|
|
|
-+++ libpng-1.5.15/scripts/symbols.def 2013-04-02 20:39:30.000000000 +0900
|
|
|
-@@ -242,3 +242,23 @@
|
|
|
- png_set_check_for_invalid_index @234
|
|
|
- png_get_palette_max @235
|
|
|
- png_set_option @236
|
|
|
-+ png_get_acTL @237
|
|
|
-+ png_set_acTL @238
|
|
|
-+ png_get_num_frames @239
|
|
|
-+ png_get_num_plays @240
|
|
|
-+ png_get_next_frame_fcTL @241
|
|
|
-+ png_set_next_frame_fcTL @242
|
|
|
-+ png_get_next_frame_width @243
|
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-+ png_get_next_frame_height @244
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-+ png_get_next_frame_x_offset @245
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-+ png_get_next_frame_y_offset @246
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-+ png_get_next_frame_delay_num @247
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-+ png_get_next_frame_delay_den @248
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-+ png_get_next_frame_dispose_op @249
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-+ png_get_next_frame_blend_op @250
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-+ png_get_first_frame_is_hidden @251
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-+ png_set_first_frame_is_hidden @252
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-+ png_read_frame_head @253
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-+ png_set_progressive_frame_fn @254
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-+ png_write_frame_head @255
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-+ png_write_frame_tail @256
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+diff -Naru libpng-1.6.8.org/scripts/symbols.def libpng-1.6.8/scripts/symbols.def
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+--- libpng-1.6.8.org/scripts/symbols.def 2013-12-22 17:03:17.232988887 +0900
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+@@ -249,3 +249,23 @@
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+ png_set_check_for_invalid_index @242
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+ png_get_palette_max @243
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+ png_set_option @244
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++ png_get_acTL @245
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++ png_set_acTL @246
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++ png_get_num_frames @247
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++ png_get_num_plays @248
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++ png_get_next_frame_fcTL @249
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++ png_set_next_frame_fcTL @250
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++ png_get_next_frame_width @251
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++ png_get_next_frame_height @252
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++ png_get_next_frame_x_offset @253
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++ png_get_next_frame_y_offset @254
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++ png_get_next_frame_delay_num @255
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++ png_get_next_frame_delay_den @256
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++ png_get_next_frame_dispose_op @257
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++ png_get_next_frame_blend_op @258
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++ png_get_first_frame_is_hidden @259
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++ png_set_first_frame_is_hidden @260
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++ png_read_frame_head @261
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++ png_set_progressive_frame_fn @262
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++ png_write_frame_head @263
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++ png_write_frame_tail @264
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Waldemar Brodkorb