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@ -1,7 +1,174 @@
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diff -Naur libpng-1.4.5/pngconf.h libpng-1.4.5.patch/pngconf.h
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--- libpng-1.4.5/pngconf.h 2010-12-09 14:48:10.000000000 +0100
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+++ libpng-1.4.5.patch/pngconf.h 2011-02-08 11:49:58.016628521 +0100
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@@ -894,6 +894,10 @@
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diff -Naru libpng-1.4.8.org/png.h libpng-1.4.8/png.h
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--- libpng-1.4.8.org/png.h 2011-07-09 22:33:12.000000000 +0900
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+++ libpng-1.4.8/png.h 2011-07-09 22:33:12.000000000 +0900
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@@ -910,6 +910,19 @@
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png_fixed_point int_y_blue PNG_DEPSTRUCT;
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#endif
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+#ifdef PNG_APNG_SUPPORTED
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+ png_uint_32 num_frames PNG_DEPSTRUCT; /* including default image */
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+ png_uint_32 num_plays PNG_DEPSTRUCT;
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+ png_uint_32 next_frame_width PNG_DEPSTRUCT;
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+ png_uint_32 next_frame_height PNG_DEPSTRUCT;
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+ png_uint_32 next_frame_x_offset PNG_DEPSTRUCT;
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+ png_uint_32 next_frame_y_offset PNG_DEPSTRUCT;
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+ png_uint_16 next_frame_delay_num PNG_DEPSTRUCT;
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+ png_uint_16 next_frame_delay_den PNG_DEPSTRUCT;
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+ png_byte next_frame_dispose_op PNG_DEPSTRUCT;
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+ png_byte next_frame_blend_op PNG_DEPSTRUCT;
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+#endif
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+
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} png_info;
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typedef png_info FAR * png_infop;
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@@ -1008,6 +1021,10 @@
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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 0x8000L /* ESR, 1.0.6 */
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+#ifdef PNG_APNG_SUPPORTED
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+#define PNG_INFO_acTL 0x10000L
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+#define PNG_INFO_fcTL 0x20000L
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+#endif
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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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@@ -1050,6 +1067,10 @@
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typedef void (PNGAPI *png_progressive_end_ptr) PNGARG((png_structp, png_infop));
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typedef void (PNGAPI *png_progressive_row_ptr) PNGARG((png_structp, png_bytep,
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png_uint_32, int));
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+#ifdef PNG_APNG_SUPPORTED
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+typedef void (PNGAPI *png_progressive_frame_ptr) PNGARG((png_structp,
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+ png_uint_32));
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+#endif
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#endif
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#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
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@@ -1469,6 +1490,36 @@
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png_uint_32 user_chunk_cache_max PNG_DEPSTRUCT;
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#endif
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+#ifdef PNG_APNG_SUPPORTED
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+ png_uint_32 apng_flags PNG_DEPSTRUCT;
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+ png_uint_32 next_seq_num PNG_DEPSTRUCT; /* next fcTL/fdAT chunk sequence number */
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+ png_uint_32 first_frame_width PNG_DEPSTRUCT;
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+ png_uint_32 first_frame_height PNG_DEPSTRUCT;
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+
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+#ifdef PNG_READ_APNG_SUPPORTED
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+ png_uint_32 num_frames_read PNG_DEPSTRUCT; /* incremented after all image data of */
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+ /* a frame is read */
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+#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
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+ png_progressive_frame_ptr frame_info_fn PNG_DEPSTRUCT; /* frame info read callback */
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+ png_progressive_frame_ptr frame_end_fn PNG_DEPSTRUCT; /* frame data read callback */
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+#endif
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+#endif
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+
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+#ifdef PNG_WRITE_APNG_SUPPORTED
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+ png_uint_32 num_frames_to_write PNG_DEPSTRUCT;
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+ png_uint_32 num_frames_written PNG_DEPSTRUCT;
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+#endif
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+
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+/* dispose_op flags from inside fcTL */
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+#define PNG_DISPOSE_OP_NONE 0x00
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+#define PNG_DISPOSE_OP_BACKGROUND 0x01
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+#define PNG_DISPOSE_OP_PREVIOUS 0x02
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+
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+/* blend_op flags from inside fcTL */
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+#define PNG_BLEND_OP_SOURCE 0x00
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+#define PNG_BLEND_OP_OVER 0x01
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+#endif /* PNG_APNG_SUPPORTED */
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+
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/* New member added in libpng-1.0.25 and 1.2.17 */
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#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
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/* Storage for unknown chunk that the library doesn't recognize. */
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@@ -1806,6 +1857,18 @@
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PNG_EXPORT(void,png_write_image) PNGARG((png_structp png_ptr,
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png_bytepp image));
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+#ifdef PNG_WRITE_APNG_SUPPORTED
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+extern PNG_EXPORT (void,png_write_frame_head) PNGARG((png_structp png_ptr,
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+ png_infop png_info, 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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+extern PNG_EXPORT (void,png_write_frame_tail) PNGARG((png_structp png_ptr,
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+ png_infop png_info));
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+#endif
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+
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/* Write the end of the PNG file. */
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PNG_EXPORT(void,png_write_end) PNGARG((png_structp png_ptr,
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png_infop info_ptr));
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@@ -2050,6 +2113,11 @@
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png_voidp progressive_ptr,
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png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
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png_progressive_end_ptr end_fn));
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+#ifdef PNG_READ_APNG_SUPPORTED
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+extern PNG_EXPORT(void,png_set_progressive_frame_fn) PNGARG((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
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/* Returns the user pointer associated with the push read functions */
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PNG_EXPORT(png_voidp,png_get_progressive_ptr)
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@@ -2476,6 +2544,53 @@
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#endif
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#endif /* PNG_sCAL_SUPPORTED || PNG_WRITE_sCAL_SUPPORTED */
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+#ifdef PNG_APNG_SUPPORTED
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+extern PNG_EXPORT(png_uint_32,png_get_acTL) PNGARG((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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+extern PNG_EXPORT(png_uint_32,png_set_acTL) PNGARG((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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+extern PNG_EXPORT(png_uint_32,png_get_num_frames) PNGARG((png_structp png_ptr,
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+ png_infop info_ptr));
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+extern PNG_EXPORT(png_uint_32,png_get_num_plays)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+
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+extern PNG_EXPORT(png_uint_32,png_get_next_frame_fcTL)
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+ PNGARG((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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+extern PNG_EXPORT(png_uint_32,png_set_next_frame_fcTL)
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+ PNGARG((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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+extern PNG_EXPORT(png_uint_32,png_get_next_frame_width)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_uint_32,png_get_next_frame_height)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_uint_32,png_get_next_frame_x_offset)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_uint_32,png_get_next_frame_y_offset)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_uint_16,png_get_next_frame_delay_num)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_uint_16,png_get_next_frame_delay_den)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_byte,png_get_next_frame_dispose_op)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_byte,png_get_next_frame_blend_op)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_byte,png_get_first_frame_is_hidden)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr));
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+extern PNG_EXPORT(png_uint_32,png_set_first_frame_is_hidden)
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+ PNGARG((png_structp png_ptr, png_infop info_ptr, png_byte is_hidden));
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+#endif /* PNG_APNG_SUPPORTED */
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+
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+#ifdef PNG_READ_APNG_SUPPORTED
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+extern PNG_EXPORT(void,png_read_frame_head) PNGARG((png_structp png_ptr,
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+ png_infop info_ptr));
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+#endif
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+
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#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
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/* Provide a list of chunks and how they are to be handled, if the built-in
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handling or default unknown chunk handling is not desired. Any chunks not
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diff -Naru libpng-1.4.8.org/pngconf.h libpng-1.4.8/pngconf.h
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--- libpng-1.4.8.org/pngconf.h 2011-07-09 22:33:12.000000000 +0900
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+++ libpng-1.4.8/pngconf.h 2011-07-09 22:33:12.000000000 +0900
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@@ -906,6 +906,10 @@
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# define PNG_READ_tRNS_SUPPORTED
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# define PNG_tRNS_SUPPORTED
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#endif
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@ -12,7 +179,7 @@ diff -Naur libpng-1.4.5/pngconf.h libpng-1.4.5.patch/pngconf.h
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#ifndef PNG_NO_READ_zTXt
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# define PNG_READ_zTXt_SUPPORTED
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# define PNG_zTXt_SUPPORTED
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@@ -1053,6 +1057,14 @@
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@@ -1065,6 +1069,14 @@
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# define PNG_TEXT_SUPPORTED
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# endif
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#endif
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@ -27,10 +194,10 @@ diff -Naur libpng-1.4.5/pngconf.h libpng-1.4.5.patch/pngconf.h
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#ifdef PNG_WRITE_tIME_SUPPORTED
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# ifndef PNG_NO_CONVERT_tIME
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diff -Naur libpng-1.4.5/pngget.c libpng-1.4.5.patch/pngget.c
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--- libpng-1.4.5/pngget.c 2010-12-09 14:48:11.000000000 +0100
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+++ libpng-1.4.5.patch/pngget.c 2011-02-08 11:49:58.009628646 +0100
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@@ -842,6 +842,167 @@
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diff -Naru libpng-1.4.8.org/pngget.c libpng-1.4.8/pngget.c
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--- libpng-1.4.8.org/pngget.c 2011-07-09 22:33:12.000000000 +0900
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+++ libpng-1.4.8/pngget.c 2011-07-09 22:33:12.000000000 +0900
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@@ -848,6 +848,167 @@
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}
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#endif
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@ -87,7 +254,7 @@ diff -Naur libpng-1.4.5/pngget.c libpng-1.4.5.patch/pngget.c
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+ width != NULL && height != NULL &&
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+ x_offset != NULL && x_offset != NULL &&
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+ delay_num != NULL && delay_den != NULL &&
|
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+ dispose_op != NULL && blend_op != NULL)
|
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+ dispose_op != NULL && blend_op != NULL)
|
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+ {
|
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|
+ *width = info_ptr->next_frame_width;
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|
+ *height = info_ptr->next_frame_height;
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@ -197,177 +364,10 @@ diff -Naur libpng-1.4.5/pngget.c libpng-1.4.5.patch/pngget.c
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+
|
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|
#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
|
|
|
|
|
png_uint_32 PNGAPI
|
|
|
|
|
png_get_unknown_chunks(png_structp png_ptr, png_infop info_ptr,
|
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|
|
diff -Naur libpng-1.4.5/png.h libpng-1.4.5.patch/png.h
|
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|
|
--- libpng-1.4.5/png.h 2010-12-09 14:48:10.000000000 +0100
|
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|
+++ libpng-1.4.5.patch/png.h 2011-02-08 11:49:58.011628611 +0100
|
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|
|
@@ -902,6 +902,19 @@
|
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|
|
|
png_fixed_point int_y_blue PNG_DEPSTRUCT;
|
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|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+ png_uint_32 num_frames; /* including default image */
|
|
|
|
|
+ png_uint_32 num_plays;
|
|
|
|
|
+ png_uint_32 next_frame_width;
|
|
|
|
|
+ png_uint_32 next_frame_height;
|
|
|
|
|
+ png_uint_32 next_frame_x_offset;
|
|
|
|
|
+ png_uint_32 next_frame_y_offset;
|
|
|
|
|
+ png_uint_16 next_frame_delay_num;
|
|
|
|
|
+ png_uint_16 next_frame_delay_den;
|
|
|
|
|
+ png_byte next_frame_dispose_op;
|
|
|
|
|
+ png_byte next_frame_blend_op;
|
|
|
|
|
+#endif
|
|
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|
+
|
|
|
|
|
} png_info;
|
|
|
|
|
|
|
|
|
|
typedef png_info FAR * png_infop;
|
|
|
|
|
@@ -999,6 +1012,10 @@
|
|
|
|
|
#define PNG_INFO_sPLT 0x2000 /* ESR, 1.0.6 */
|
|
|
|
|
#define PNG_INFO_sCAL 0x4000 /* ESR, 1.0.6 */
|
|
|
|
|
#define PNG_INFO_IDAT 0x8000L /* ESR, 1.0.6 */
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+#define PNG_INFO_acTL 0x10000L
|
|
|
|
|
+#define PNG_INFO_fcTL 0x20000L
|
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
|
|
/* This is used for the transformation routines, as some of them
|
|
|
|
|
* change these values for the row. It also should enable using
|
|
|
|
|
@@ -1040,6 +1057,10 @@
|
|
|
|
|
typedef void (PNGAPI *png_progressive_end_ptr) PNGARG((png_structp, png_infop));
|
|
|
|
|
typedef void (PNGAPI *png_progressive_row_ptr) PNGARG((png_structp, png_bytep,
|
|
|
|
|
png_uint_32, int));
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+typedef void (PNGAPI *png_progressive_frame_ptr) PNGARG((png_structp,
|
|
|
|
|
+ png_uint_32));
|
|
|
|
|
+#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
|
|
|
|
|
@@ -1459,6 +1480,36 @@
|
|
|
|
|
png_uint_32 user_chunk_cache_max PNG_DEPSTRUCT;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+ png_uint_32 apng_flags;
|
|
|
|
|
+ png_uint_32 next_seq_num; /* next fcTL/fdAT chunk sequence number */
|
|
|
|
|
+ png_uint_32 first_frame_width;
|
|
|
|
|
+ png_uint_32 first_frame_height;
|
|
|
|
|
+
|
|
|
|
|
+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
|
|
+ png_uint_32 num_frames_read; /* incremented after all image data of */
|
|
|
|
|
+ /* a frame is read */
|
|
|
|
|
+#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
|
|
|
|
|
+ png_progressive_frame_ptr frame_info_fn; /* frame info read callback */
|
|
|
|
|
+ png_progressive_frame_ptr frame_end_fn; /* frame data read callback */
|
|
|
|
|
+#endif
|
|
|
|
|
+#endif
|
|
|
|
|
+
|
|
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
|
|
+ png_uint_32 num_frames_to_write;
|
|
|
|
|
+ png_uint_32 num_frames_written;
|
|
|
|
|
+#endif
|
|
|
|
|
+
|
|
|
|
|
+/* dispose_op flags from inside fcTL */
|
|
|
|
|
+#define PNG_DISPOSE_OP_NONE 0x00
|
|
|
|
|
+#define PNG_DISPOSE_OP_BACKGROUND 0x01
|
|
|
|
|
+#define PNG_DISPOSE_OP_PREVIOUS 0x02
|
|
|
|
|
+
|
|
|
|
|
+/* blend_op flags from inside fcTL */
|
|
|
|
|
+#define PNG_BLEND_OP_SOURCE 0x00
|
|
|
|
|
+#define PNG_BLEND_OP_OVER 0x01
|
|
|
|
|
+#endif /* PNG_APNG_SUPPORTED */
|
|
|
|
|
+
|
|
|
|
|
/* New member added in libpng-1.0.25 and 1.2.17 */
|
|
|
|
|
#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
|
|
|
|
|
/* Storage for unknown chunk that the library doesn't recognize. */
|
|
|
|
|
@@ -1796,6 +1847,18 @@
|
|
|
|
|
PNG_EXPORT(void,png_write_image) PNGARG((png_structp png_ptr,
|
|
|
|
|
png_bytepp image));
|
|
|
|
|
|
|
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
|
|
+PNG_EXPORT (void,png_write_frame_head) PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_infop png_info, png_bytepp row_pointers,
|
|
|
|
|
+ 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_EXPORT (void,png_write_frame_tail) PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_infop png_info));
|
|
|
|
|
+#endif
|
|
|
|
|
+
|
|
|
|
|
/* Write the end of the PNG file. */
|
|
|
|
|
PNG_EXPORT(void,png_write_end) PNGARG((png_structp png_ptr,
|
|
|
|
|
png_infop info_ptr));
|
|
|
|
|
@@ -2040,6 +2103,11 @@
|
|
|
|
|
png_voidp progressive_ptr,
|
|
|
|
|
png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
|
|
|
|
|
png_progressive_end_ptr end_fn));
|
|
|
|
|
+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
|
|
+PNG_EXPORT(void,png_set_progressive_frame_fn) PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_progressive_frame_ptr frame_info_fn,
|
|
|
|
|
+ png_progressive_frame_ptr frame_end_fn));
|
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
|
|
/* Returns the user pointer associated with the push read functions */
|
|
|
|
|
PNG_EXPORT(png_voidp,png_get_progressive_ptr)
|
|
|
|
|
@@ -2466,6 +2534,53 @@
|
|
|
|
|
#endif
|
|
|
|
|
#endif /* PNG_sCAL_SUPPORTED || PNG_WRITE_sCAL_SUPPORTED */
|
|
|
|
|
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_get_acTL) PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_infop info_ptr, png_uint_32 *num_frames, png_uint_32 *num_plays));
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_set_acTL) PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_infop info_ptr, png_uint_32 num_frames, png_uint_32 num_plays));
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_get_num_frames) PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_get_num_plays)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_get_next_frame_fcTL)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_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_EXPORT(png_uint_32,png_set_next_frame_fcTL)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_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_EXPORT(png_uint_32,png_get_next_frame_width)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_get_next_frame_height)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_get_next_frame_x_offset)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_get_next_frame_y_offset)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_uint_16,png_get_next_frame_delay_num)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_uint_16,png_get_next_frame_delay_den)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_byte,png_get_next_frame_dispose_op)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_byte,png_get_next_frame_blend_op)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_byte,png_get_first_frame_is_hidden)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr));
|
|
|
|
|
+PNG_EXPORT(png_uint_32,png_set_first_frame_is_hidden)
|
|
|
|
|
+ PNGARG((png_structp png_ptr, png_infop info_ptr, png_byte is_hidden));
|
|
|
|
|
+#endif /* PNG_APNG_SUPPORTED */
|
|
|
|
|
+
|
|
|
|
|
+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
|
|
+PNG_EXPORT(void,png_read_frame_head) PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_infop info_ptr));
|
|
|
|
|
+#endif
|
|
|
|
|
+
|
|
|
|
|
#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
|
|
|
|
|
/* Provide a list of chunks and how they are to be handled, if the built-in
|
|
|
|
|
handling or default unknown chunk handling is not desired. Any chunks not
|
|
|
|
|
diff -Naur libpng-1.4.5/pngpread.c libpng-1.4.5.patch/pngpread.c
|
|
|
|
|
--- libpng-1.4.5/pngpread.c 2010-12-09 14:48:11.000000000 +0100
|
|
|
|
|
+++ libpng-1.4.5.patch/pngpread.c 2011-02-08 11:49:58.023628393 +0100
|
|
|
|
|
png_get_unknown_chunks(png_const_structp png_ptr, png_const_infop info_ptr,
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngpread.c libpng-1.4.8/pngpread.c
|
|
|
|
|
--- libpng-1.4.8.org/pngpread.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngpread.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -205,6 +205,11 @@
|
|
|
|
|
#ifdef PNG_READ_zTXt_SUPPORTED
|
|
|
|
|
PNG_zTXt;
|
|
|
|
@ -556,7 +556,7 @@ diff -Naur libpng-1.4.5/pngpread.c libpng-1.4.5.patch/pngpread.c
|
|
|
|
|
|
|
|
|
|
- if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
|
|
|
|
|
+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
|
|
+ if (png_memcmp(png_ptr->chunk_name, png_fdAT, 4)
|
|
|
|
|
+ if (png_memcmp(png_ptr->chunk_name, (png_bytep)png_fdAT, 4)
|
|
|
|
|
+ && png_ptr->num_frames_read > 0)
|
|
|
|
|
+ {
|
|
|
|
|
+ if (png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)
|
|
|
|
@ -614,7 +614,7 @@ diff -Naur libpng-1.4.5/pngpread.c libpng-1.4.5.patch/pngpread.c
|
|
|
|
|
}
|
|
|
|
|
if (png_ptr->idat_size && png_ptr->save_buffer_size)
|
|
|
|
|
{
|
|
|
|
|
@@ -1756,6 +1944,17 @@
|
|
|
|
|
@@ -1755,6 +1943,17 @@
|
|
|
|
|
png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -630,12 +630,12 @@ diff -Naur libpng-1.4.5/pngpread.c libpng-1.4.5.patch/pngpread.c
|
|
|
|
|
+#endif
|
|
|
|
|
+
|
|
|
|
|
png_voidp PNGAPI
|
|
|
|
|
png_get_progressive_ptr(png_structp png_ptr)
|
|
|
|
|
png_get_progressive_ptr(png_const_structp png_ptr)
|
|
|
|
|
{
|
|
|
|
|
diff -Naur libpng-1.4.5/pngpriv.h libpng-1.4.5.patch/pngpriv.h
|
|
|
|
|
--- libpng-1.4.5/pngpriv.h 2010-12-09 14:48:11.000000000 +0100
|
|
|
|
|
+++ libpng-1.4.5.patch/pngpriv.h 2011-02-08 11:49:58.013628575 +0100
|
|
|
|
|
@@ -96,6 +96,10 @@
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngpriv.h libpng-1.4.8/pngpriv.h
|
|
|
|
|
--- libpng-1.4.8.org/pngpriv.h 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngpriv.h 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -105,6 +105,10 @@
|
|
|
|
|
#define PNG_BACKGROUND_IS_GRAY 0x800
|
|
|
|
|
#define PNG_HAVE_PNG_SIGNATURE 0x1000
|
|
|
|
|
#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
|
|
|
|
@ -646,7 +646,7 @@ diff -Naur libpng-1.4.5/pngpriv.h libpng-1.4.5.patch/pngpriv.h
|
|
|
|
|
|
|
|
|
|
/* Flags for the transformations the PNG library does on the image data */
|
|
|
|
|
#define PNG_BGR 0x0001
|
|
|
|
|
@@ -229,6 +233,14 @@
|
|
|
|
|
@@ -238,6 +242,14 @@
|
|
|
|
|
#define PNG_tIME PNG_CONST png_byte png_tIME[5] = {116, 73, 77, 69, '\0'}
|
|
|
|
|
#define PNG_tRNS PNG_CONST png_byte png_tRNS[5] = {116, 82, 78, 83, '\0'}
|
|
|
|
|
#define PNG_zTXt PNG_CONST png_byte png_zTXt[5] = {122, 84, 88, 116, '\0'}
|
|
|
|
@ -661,7 +661,7 @@ diff -Naur libpng-1.4.5/pngpriv.h libpng-1.4.5.patch/pngpriv.h
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Inhibit C++ name-mangling for libpng functions but not for system calls. */
|
|
|
|
|
@@ -469,6 +481,17 @@
|
|
|
|
|
@@ -478,6 +490,17 @@
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
@ -679,7 +679,7 @@ diff -Naur libpng-1.4.5/pngpriv.h libpng-1.4.5.patch/pngpriv.h
|
|
|
|
|
/* Called when finished processing a row of data */
|
|
|
|
|
PNG_EXTERN void png_write_finish_row PNGARG((png_structp png_ptr));
|
|
|
|
|
|
|
|
|
|
@@ -521,6 +544,20 @@
|
|
|
|
|
@@ -530,6 +553,20 @@
|
|
|
|
|
PNG_EXTERN void png_read_transform_info PNGARG((png_structp png_ptr,
|
|
|
|
|
png_infop info_ptr));
|
|
|
|
|
|
|
|
|
@ -700,7 +700,7 @@ diff -Naur libpng-1.4.5/pngpriv.h libpng-1.4.5.patch/pngpriv.h
|
|
|
|
|
/* These are the functions that do the transformations */
|
|
|
|
|
#ifdef PNG_READ_FILLER_SUPPORTED
|
|
|
|
|
PNG_EXTERN void png_do_read_filler PNGARG((png_row_infop row_info,
|
|
|
|
|
@@ -737,6 +774,25 @@
|
|
|
|
|
@@ -746,6 +783,23 @@
|
|
|
|
|
png_uint_32 length));
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
@ -714,8 +714,6 @@ diff -Naur libpng-1.4.5/pngpriv.h libpng-1.4.5.patch/pngpriv.h
|
|
|
|
|
+ png_uint_32 length));
|
|
|
|
|
+PNG_EXTERN void png_ensure_sequence_number PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_uint_32 length));
|
|
|
|
|
+#endif
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+PNG_EXTERN void png_ensure_fcTL_is_valid PNGARG((png_structp png_ptr,
|
|
|
|
|
+ png_uint_32 width, png_uint_32 height,
|
|
|
|
|
+ png_uint_32 x_offset, png_uint_32 y_offset,
|
|
|
|
@ -726,9 +724,9 @@ diff -Naur libpng-1.4.5/pngpriv.h libpng-1.4.5.patch/pngpriv.h
|
|
|
|
|
PNG_EXTERN void png_handle_unknown PNGARG((png_structp png_ptr,
|
|
|
|
|
png_infop info_ptr, png_uint_32 length));
|
|
|
|
|
|
|
|
|
|
diff -Naur libpng-1.4.5/pngread.c libpng-1.4.5.patch/pngread.c
|
|
|
|
|
--- libpng-1.4.5/pngread.c 2010-12-09 14:48:11.000000000 +0100
|
|
|
|
|
+++ libpng-1.4.5.patch/pngread.c 2011-02-08 11:49:58.008628665 +0100
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngread.c libpng-1.4.8/pngread.c
|
|
|
|
|
--- libpng-1.4.8.org/pngread.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngread.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -278,6 +278,11 @@
|
|
|
|
|
#ifdef PNG_READ_zTXt_SUPPORTED
|
|
|
|
|
PNG_zTXt;
|
|
|
|
@ -855,10 +853,10 @@ diff -Naur libpng-1.4.5/pngread.c libpng-1.4.5.patch/pngread.c
|
|
|
|
|
+ PNG_fdAT;
|
|
|
|
|
+ PNG_IEND;
|
|
|
|
|
+#endif
|
|
|
|
|
#ifdef PNG_READ_INTERLACING_SUPPORTED
|
|
|
|
|
PNG_CONST int png_pass_dsp_mask[7] = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55,
|
|
|
|
|
0xff};
|
|
|
|
|
PNG_CONST int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff};
|
|
|
|
|
@@ -581,13 +676,39 @@
|
|
|
|
|
@@ -583,13 +678,39 @@
|
|
|
|
|
{
|
|
|
|
|
if (!(png_ptr->zstream.avail_in))
|
|
|
|
|
{
|
|
|
|
@ -868,16 +866,19 @@ diff -Naur libpng-1.4.5/pngread.c libpng-1.4.5.patch/pngread.c
|
|
|
|
|
+ while (!png_ptr->idat_size || bytes_to_skip != 0)
|
|
|
|
|
{
|
|
|
|
|
- png_crc_finish(png_ptr, 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_memcmp(png_ptr->chunk_name, png_IDAT, 4))
|
|
|
|
|
- png_error(png_ptr, "Not enough image data");
|
|
|
|
|
+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
|
|
+ if (png_ptr->num_frames_read == 0)
|
|
|
|
|
+ {
|
|
|
|
|
+#endif
|
|
|
|
|
if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
|
|
|
|
|
png_error(png_ptr, "Not enough image data");
|
|
|
|
|
+ if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
|
|
|
|
|
+ png_error(png_ptr, "Not enough image data");
|
|
|
|
|
+#ifdef PNG_READ_APNG_SUPPORTED
|
|
|
|
|
+ }
|
|
|
|
|
+ else
|
|
|
|
@ -900,7 +901,7 @@ diff -Naur libpng-1.4.5/pngread.c libpng-1.4.5.patch/pngread.c
|
|
|
|
|
}
|
|
|
|
|
png_ptr->zstream.avail_in = (uInt)png_ptr->zbuf_size;
|
|
|
|
|
png_ptr->zstream.next_in = png_ptr->zbuf;
|
|
|
|
|
@@ -605,6 +726,9 @@
|
|
|
|
|
@@ -607,6 +728,9 @@
|
|
|
|
|
png_benign_error(png_ptr, "Extra compressed data");
|
|
|
|
|
png_ptr->mode |= PNG_AFTER_IDAT;
|
|
|
|
|
png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
|
|
|
|
@ -910,7 +911,7 @@ diff -Naur libpng-1.4.5/pngread.c libpng-1.4.5.patch/pngread.c
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (ret != Z_OK)
|
|
|
|
|
@@ -860,6 +984,11 @@
|
|
|
|
|
@@ -862,6 +986,11 @@
|
|
|
|
|
#ifdef PNG_READ_zTXt_SUPPORTED
|
|
|
|
|
PNG_zTXt;
|
|
|
|
|
#endif
|
|
|
|
@ -922,7 +923,7 @@ diff -Naur libpng-1.4.5/pngread.c libpng-1.4.5.patch/pngread.c
|
|
|
|
|
png_uint_32 length = png_read_chunk_header(png_ptr);
|
|
|
|
|
PNG_CONST png_bytep chunk_name = png_ptr->chunk_name;
|
|
|
|
|
|
|
|
|
|
@@ -959,6 +1088,14 @@
|
|
|
|
|
@@ -961,6 +1090,14 @@
|
|
|
|
|
else if (!png_memcmp(chunk_name, png_iTXt, 4))
|
|
|
|
|
png_handle_iTXt(png_ptr, info_ptr, length);
|
|
|
|
|
#endif
|
|
|
|
@ -937,10 +938,10 @@ diff -Naur libpng-1.4.5/pngread.c libpng-1.4.5.patch/pngread.c
|
|
|
|
|
else
|
|
|
|
|
png_handle_unknown(png_ptr, info_ptr, length);
|
|
|
|
|
} while (!(png_ptr->mode & PNG_HAVE_IEND));
|
|
|
|
|
diff -Naur libpng-1.4.5/pngrtran.c libpng-1.4.5.patch/pngrtran.c
|
|
|
|
|
--- libpng-1.4.5/pngrtran.c 2010-12-09 14:48:11.000000000 +0100
|
|
|
|
|
+++ libpng-1.4.5.patch/pngrtran.c 2011-02-08 11:49:58.034628193 +0100
|
|
|
|
|
@@ -1335,7 +1335,7 @@
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngrtran.c libpng-1.4.8/pngrtran.c
|
|
|
|
|
--- libpng-1.4.8.org/pngrtran.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngrtran.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -1356,7 +1356,7 @@
|
|
|
|
|
* pixels. This check added to libpng-1.2.19
|
|
|
|
|
*/
|
|
|
|
|
#if (PNG_WARN_UNINITIALIZED_ROW==1)
|
|
|
|
@ -949,9 +950,9 @@ diff -Naur libpng-1.4.5/pngrtran.c libpng-1.4.5.patch/pngrtran.c
|
|
|
|
|
#else
|
|
|
|
|
png_warning(png_ptr, "Uninitialized row");
|
|
|
|
|
#endif
|
|
|
|
|
diff -Naur libpng-1.4.5/pngrutil.c libpng-1.4.5.patch/pngrutil.c
|
|
|
|
|
--- libpng-1.4.5/pngrutil.c 2010-12-09 14:48:11.000000000 +0100
|
|
|
|
|
+++ libpng-1.4.5.patch/pngrutil.c 2011-02-08 11:49:58.026628338 +0100
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngrutil.c libpng-1.4.8/pngrutil.c
|
|
|
|
|
--- libpng-1.4.8.org/pngrutil.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngrutil.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -499,6 +499,11 @@
|
|
|
|
|
filter_type = buf[11];
|
|
|
|
|
interlace_type = buf[12];
|
|
|
|
@ -964,7 +965,7 @@ diff -Naur libpng-1.4.5/pngrutil.c libpng-1.4.5.patch/pngrutil.c
|
|
|
|
|
/* Set internal variables */
|
|
|
|
|
png_ptr->width = width;
|
|
|
|
|
png_ptr->height = height;
|
|
|
|
|
@@ -2394,6 +2399,172 @@
|
|
|
|
|
@@ -2400,6 +2405,172 @@
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
@ -1137,7 +1138,7 @@ diff -Naur libpng-1.4.5/pngrutil.c libpng-1.4.5.patch/pngrutil.c
|
|
|
|
|
/* 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
|
|
|
|
|
@@ -3422,4 +3593,73 @@
|
|
|
|
|
@@ -3429,4 +3600,75 @@
|
|
|
|
|
|
|
|
|
|
png_ptr->flags |= PNG_FLAG_ROW_INIT;
|
|
|
|
|
}
|
|
|
|
@ -1181,7 +1182,8 @@ diff -Naur libpng-1.4.5/pngrutil.c libpng-1.4.5.patch/pngrutil.c
|
|
|
|
|
+
|
|
|
|
|
+ /* offset to next interlace block in the y direction */
|
|
|
|
|
+ const int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
|
|
|
|
|
+
|
|
|
|
|
+ png_uint_32 row_bytes;
|
|
|
|
|
+
|
|
|
|
|
+ if (png_ptr->interlaced)
|
|
|
|
|
+ {
|
|
|
|
|
+ if (!(png_ptr->transformations & PNG_INTERLACE))
|
|
|
|
@ -1200,6 +1202,7 @@ diff -Naur libpng-1.4.5/pngrutil.c libpng-1.4.5.patch/pngrutil.c
|
|
|
|
|
+ png_ptr->num_rows = png_ptr->height;
|
|
|
|
|
+ png_ptr->iwidth = png_ptr->width;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ png_ptr->flags &= ~PNG_FLAG_ZLIB_FINISHED;
|
|
|
|
|
+ if (inflateReset(&(png_ptr->zstream)) != Z_OK)
|
|
|
|
|
+ png_error(png_ptr, "inflateReset failed");
|
|
|
|
@ -1211,14 +1214,14 @@ diff -Naur libpng-1.4.5/pngrutil.c libpng-1.4.5.patch/pngrutil.c
|
|
|
|
|
+}
|
|
|
|
|
+#endif /* PNG_READ_APNG_SUPPORTED */
|
|
|
|
|
#endif /* PNG_READ_SUPPORTED */
|
|
|
|
|
diff -Naur libpng-1.4.5/pngset.c libpng-1.4.5.patch/pngset.c
|
|
|
|
|
--- libpng-1.4.5/pngset.c 2010-12-09 14:48:11.000000000 +0100
|
|
|
|
|
+++ libpng-1.4.5.patch/pngset.c 2011-02-08 11:49:58.024628375 +0100
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngset.c libpng-1.4.8/pngset.c
|
|
|
|
|
--- libpng-1.4.8.org/pngset.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngset.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -260,6 +260,11 @@
|
|
|
|
|
info_ptr->rowbytes = 0;
|
|
|
|
|
else
|
|
|
|
|
info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width);
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+ /* for non-animated png. this may be overritten from an acTL chunk later */
|
|
|
|
|
+ info_ptr->num_frames = 1;
|
|
|
|
@ -1226,7 +1229,7 @@ diff -Naur libpng-1.4.5/pngset.c libpng-1.4.5.patch/pngset.c
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef PNG_oFFs_SUPPORTED
|
|
|
|
|
@@ -939,6 +944,142 @@
|
|
|
|
|
@@ -939,6 +944,143 @@
|
|
|
|
|
}
|
|
|
|
|
#endif /* PNG_sPLT_SUPPORTED */
|
|
|
|
|
|
|
|
|
@ -1298,8 +1301,9 @@ diff -Naur libpng-1.4.5/pngset.c libpng-1.4.5.patch/pngset.c
|
|
|
|
|
+ if (!(png_ptr->color_type & PNG_COLOR_MASK_ALPHA) &&
|
|
|
|
|
+ !(png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)))
|
|
|
|
|
+ {
|
|
|
|
|
+ png_warning(png_ptr, "PNG_BLEND_OP_OVER is meaningless "
|
|
|
|
|
+ "and wasteful for opaque images, ignored");
|
|
|
|
|
+ png_warning(png_ptr,
|
|
|
|
|
+ "PNG_BLEND_OP_OVER is meaningless and wasteful "
|
|
|
|
|
+ "for opaque images, ignored");
|
|
|
|
|
+ blend_op = PNG_BLEND_OP_SOURCE;
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
@ -1339,12 +1343,12 @@ diff -Naur libpng-1.4.5/pngset.c libpng-1.4.5.patch/pngset.c
|
|
|
|
|
+ png_error(png_ptr, "invalid y_offset in fcTL (> 2^31-1)");
|
|
|
|
|
+
|
|
|
|
|
+ if (dispose_op != PNG_DISPOSE_OP_NONE &&
|
|
|
|
|
+ dispose_op != PNG_DISPOSE_OP_BACKGROUND &&
|
|
|
|
|
+ dispose_op != PNG_DISPOSE_OP_PREVIOUS)
|
|
|
|
|
+ dispose_op != PNG_DISPOSE_OP_BACKGROUND &&
|
|
|
|
|
+ dispose_op != PNG_DISPOSE_OP_PREVIOUS)
|
|
|
|
|
+ png_error(png_ptr, "invalid dispose_op in fcTL");
|
|
|
|
|
+
|
|
|
|
|
+ if (blend_op != PNG_BLEND_OP_SOURCE &&
|
|
|
|
|
+ blend_op != PNG_BLEND_OP_OVER)
|
|
|
|
|
+ blend_op != PNG_BLEND_OP_OVER)
|
|
|
|
|
+ png_error(png_ptr, "invalid blend_op in fcTL");
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
@ -1369,9 +1373,134 @@ diff -Naur libpng-1.4.5/pngset.c libpng-1.4.5.patch/pngset.c
|
|
|
|
|
#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
|
|
|
|
|
void PNGAPI
|
|
|
|
|
png_set_unknown_chunks(png_structp png_ptr,
|
|
|
|
|
diff -Naur libpng-1.4.5/pngwrite.c libpng-1.4.5.patch/pngwrite.c
|
|
|
|
|
--- libpng-1.4.5/pngwrite.c 2010-12-09 14:48:11.000000000 +0100
|
|
|
|
|
+++ libpng-1.4.5.patch/pngwrite.c 2011-02-08 11:49:58.014628557 +0100
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngtest.c libpng-1.4.8/pngtest.c
|
|
|
|
|
--- libpng-1.4.8.org/pngtest.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngtest.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -739,6 +739,10 @@
|
|
|
|
|
jmp_buf jmpbuf;
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+ png_uint_32 num_frames;
|
|
|
|
|
+ png_uint_32 num_plays;
|
|
|
|
|
+#endif
|
|
|
|
|
|
|
|
|
|
char inbuf[256], outbuf[256];
|
|
|
|
|
|
|
|
|
|
@@ -1149,6 +1153,20 @@
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+ if (png_get_valid(read_ptr, read_info_ptr, PNG_INFO_acTL))
|
|
|
|
|
+ {
|
|
|
|
|
+ if (png_get_acTL(read_ptr, read_info_ptr, &num_frames, &num_plays))
|
|
|
|
|
+ {
|
|
|
|
|
+ png_byte is_hidden;
|
|
|
|
|
+ pngtest_debug2("Handling acTL chunks (frames %ld, plays %ld)",
|
|
|
|
|
+ num_frames, num_plays);
|
|
|
|
|
+ png_set_acTL(write_ptr, write_info_ptr, num_frames, num_plays);
|
|
|
|
|
+ is_hidden = png_get_first_frame_is_hidden(read_ptr, read_info_ptr);
|
|
|
|
|
+ png_set_first_frame_is_hidden(write_ptr, write_info_ptr, is_hidden);
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+#endif
|
|
|
|
|
#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
|
|
|
|
|
{
|
|
|
|
|
png_unknown_chunkp unknowns;
|
|
|
|
|
@@ -1236,6 +1254,89 @@
|
|
|
|
|
t_misc += (t_stop - t_start);
|
|
|
|
|
t_start = t_stop;
|
|
|
|
|
#endif
|
|
|
|
|
+#ifdef PNG_APNG_SUPPORTED
|
|
|
|
|
+ if (png_get_valid(read_ptr, read_info_ptr, PNG_INFO_acTL))
|
|
|
|
|
+ {
|
|
|
|
|
+ png_uint_32 frame;
|
|
|
|
|
+ for (frame = 0; frame < num_frames; frame++)
|
|
|
|
|
+ {
|
|
|
|
|
+ png_uint_32 frame_width;
|
|
|
|
|
+ png_uint_32 frame_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_read_frame_head(read_ptr, read_info_ptr);
|
|
|
|
|
+ if (png_get_valid(read_ptr, read_info_ptr, PNG_INFO_fcTL))
|
|
|
|
|
+ {
|
|
|
|
|
+ png_get_next_frame_fcTL(read_ptr, read_info_ptr,
|
|
|
|
|
+ &frame_width, &frame_height,
|
|
|
|
|
+ &x_offset, &y_offset,
|
|
|
|
|
+ &delay_num, &delay_den,
|
|
|
|
|
+ &dispose_op, &blend_op);
|
|
|
|
|
+ }
|
|
|
|
|
+ else
|
|
|
|
|
+ {
|
|
|
|
|
+ frame_width = width;
|
|
|
|
|
+ frame_height = height;
|
|
|
|
|
+ x_offset = 0;
|
|
|
|
|
+ y_offset = 0;
|
|
|
|
|
+ delay_num = 1;
|
|
|
|
|
+ delay_den = 1;
|
|
|
|
|
+ dispose_op = PNG_DISPOSE_OP_NONE;
|
|
|
|
|
+ blend_op = PNG_BLEND_OP_SOURCE;
|
|
|
|
|
+ }
|
|
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
|
|
+ png_write_frame_head(write_ptr, write_info_ptr, (png_bytepp)&row_buf,
|
|
|
|
|
+ frame_width, frame_height,
|
|
|
|
|
+ x_offset, y_offset,
|
|
|
|
|
+ delay_num, delay_den,
|
|
|
|
|
+ dispose_op, blend_op);
|
|
|
|
|
+#endif
|
|
|
|
|
+ for (pass = 0; pass < num_pass; pass++)
|
|
|
|
|
+ {
|
|
|
|
|
+ pngtest_debug1("Writing row data for pass %d", pass);
|
|
|
|
|
+ for (y = 0; y < frame_height; y++)
|
|
|
|
|
+ {
|
|
|
|
|
+#ifndef SINGLE_ROWBUF_ALLOC
|
|
|
|
|
+ pngtest_debug2("Allocating row buffer (pass %d, y = %ld)...", pass, y);
|
|
|
|
|
+ row_buf = (png_bytep)png_malloc(read_ptr,
|
|
|
|
|
+ png_get_rowbytes(read_ptr, read_info_ptr));
|
|
|
|
|
+ pngtest_debug2("0x%08lx (%ld bytes)", (unsigned long)row_buf,
|
|
|
|
|
+ png_get_rowbytes(read_ptr, read_info_ptr));
|
|
|
|
|
+#endif /* !SINGLE_ROWBUF_ALLOC */
|
|
|
|
|
+ png_read_rows(read_ptr, (png_bytepp)&row_buf, NULL, 1);
|
|
|
|
|
+
|
|
|
|
|
+#ifdef PNG_WRITE_SUPPORTED
|
|
|
|
|
+#ifdef PNGTEST_TIMING
|
|
|
|
|
+ t_stop = (float)clock();
|
|
|
|
|
+ t_decode += (t_stop - t_start);
|
|
|
|
|
+ t_start = t_stop;
|
|
|
|
|
+#endif
|
|
|
|
|
+ png_write_rows(write_ptr, (png_bytepp)&row_buf, 1);
|
|
|
|
|
+#ifdef PNGTEST_TIMING
|
|
|
|
|
+ t_stop = (float)clock();
|
|
|
|
|
+ t_encode += (t_stop - t_start);
|
|
|
|
|
+ t_start = t_stop;
|
|
|
|
|
+#endif
|
|
|
|
|
+#endif /* PNG_WRITE_SUPPORTED */
|
|
|
|
|
+
|
|
|
|
|
+#ifndef SINGLE_ROWBUF_ALLOC
|
|
|
|
|
+ pngtest_debug2("Freeing row buffer (pass %d, y = %ld)", pass, y);
|
|
|
|
|
+ png_free(read_ptr, row_buf);
|
|
|
|
|
+ row_buf = NULL;
|
|
|
|
|
+#endif /* !SINGLE_ROWBUF_ALLOC */
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
|
|
+ png_write_frame_tail(write_ptr, write_info_ptr);
|
|
|
|
|
+#endif
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+ else
|
|
|
|
|
+#endif
|
|
|
|
|
for (pass = 0; pass < num_pass; pass++)
|
|
|
|
|
{
|
|
|
|
|
pngtest_debug1("Writing row data for pass %d", pass);
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngwrite.c libpng-1.4.8/pngwrite.c
|
|
|
|
|
--- libpng-1.4.8.org/pngwrite.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngwrite.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -57,6 +57,10 @@
|
|
|
|
|
/* The rest of these check to see if the valid field has the appropriate
|
|
|
|
|
* flag set, and if it does, writes the chunk.
|
|
|
|
@ -1383,7 +1512,7 @@ diff -Naur libpng-1.4.5/pngwrite.c libpng-1.4.5.patch/pngwrite.c
|
|
|
|
|
#ifdef PNG_WRITE_gAMA_SUPPORTED
|
|
|
|
|
if (info_ptr->valid & PNG_INFO_gAMA)
|
|
|
|
|
{
|
|
|
|
|
@@ -319,6 +323,10 @@
|
|
|
|
|
@@ -320,6 +324,10 @@
|
|
|
|
|
return;
|
|
|
|
|
if (!(png_ptr->mode & PNG_HAVE_IDAT))
|
|
|
|
|
png_error(png_ptr, "No IDATs written into file");
|
|
|
|
@ -1394,8 +1523,8 @@ diff -Naur libpng-1.4.5/pngwrite.c libpng-1.4.5.patch/pngwrite.c
|
|
|
|
|
|
|
|
|
|
/* See if user wants us to write information chunks */
|
|
|
|
|
if (info_ptr != NULL)
|
|
|
|
|
@@ -1454,4 +1462,39 @@
|
|
|
|
|
params = params;
|
|
|
|
|
@@ -1456,4 +1464,39 @@
|
|
|
|
|
PNG_UNUSED(params)
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
+
|
|
|
|
@ -1434,9 +1563,9 @@ diff -Naur libpng-1.4.5/pngwrite.c libpng-1.4.5.patch/pngwrite.c
|
|
|
|
|
+#endif /* PNG_WRITE_APNG_SUPPORTED */
|
|
|
|
|
+
|
|
|
|
|
#endif /* PNG_WRITE_SUPPORTED */
|
|
|
|
|
diff -Naur libpng-1.4.5/pngwutil.c libpng-1.4.5.patch/pngwutil.c
|
|
|
|
|
--- libpng-1.4.5/pngwutil.c 2010-12-09 14:48:11.000000000 +0100
|
|
|
|
|
+++ libpng-1.4.5.patch/pngwutil.c 2011-02-08 11:49:58.031628246 +0100
|
|
|
|
|
diff -Naru libpng-1.4.8.org/pngwutil.c libpng-1.4.8/pngwutil.c
|
|
|
|
|
--- libpng-1.4.8.org/pngwutil.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
+++ libpng-1.4.8/pngwutil.c 2011-07-09 22:33:12.000000000 +0900
|
|
|
|
|
@@ -541,6 +541,11 @@
|
|
|
|
|
/* Write the chunk */
|
|
|
|
|
png_write_chunk(png_ptr, (png_bytep)png_IHDR, buf, (png_size_t)13);
|
|
|
|
@ -1459,14 +1588,15 @@ diff -Naur libpng-1.4.5/pngwutil.c libpng-1.4.5.patch/pngwutil.c
|
|
|
|
|
|
|
|
|
|
png_debug(1, "in png_write_IDAT");
|
|
|
|
|
|
|
|
|
|
@@ -707,7 +715,28 @@
|
|
|
|
|
@@ -725,7 +733,28 @@
|
|
|
|
|
"Invalid zlib compression method or flags in IDAT");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
- png_write_chunk(png_ptr, (png_bytep)png_IDAT, data, length);
|
|
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
|
|
+ if(png_ptr->num_frames_written == 0)
|
|
|
|
|
+#endif
|
|
|
|
|
png_write_chunk(png_ptr, (png_bytep)png_IDAT, data, length);
|
|
|
|
|
+ png_write_chunk(png_ptr, (png_bytep)png_IDAT, data, length);
|
|
|
|
|
+#ifdef PNG_WRITE_APNG_SUPPORTED
|
|
|
|
|
+ else
|
|
|
|
|
+ {
|
|
|
|
@ -1488,7 +1618,7 @@ diff -Naur libpng-1.4.5/pngwutil.c libpng-1.4.5.patch/pngwutil.c
|
|
|
|
|
png_ptr->mode |= PNG_HAVE_IDAT;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -1714,6 +1743,66 @@
|
|
|
|
|
@@ -1732,6 +1761,66 @@
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
@ -1555,18 +1685,7 @@ diff -Naur libpng-1.4.5/pngwutil.c libpng-1.4.5.patch/pngwutil.c
|
|
|
|
|
/* Initializes the row writing capability of libpng */
|
|
|
|
|
void /* PRIVATE */
|
|
|
|
|
png_write_start_row(png_structp png_ptr)
|
|
|
|
|
@@ -2115,8 +2204,8 @@
|
|
|
|
|
#ifndef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
|
|
|
|
|
if (png_ptr->row_number == 0 && filter_to_do == PNG_ALL_FILTERS)
|
|
|
|
|
{
|
|
|
|
|
- /* These will never be selected so we need not test them. */
|
|
|
|
|
- filter_to_do &= ~(PNG_FILTER_UP | PNG_FILTER_PAETH);
|
|
|
|
|
+ /* These use previous row */
|
|
|
|
|
+ filter_to_do &= ~(PNG_FILTER_UP | PNG_FILTER_AVG | PNG_FILTER_PAETH);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
@@ -2785,4 +2874,39 @@
|
|
|
|
|
@@ -2803,4 +2892,39 @@
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
}
|