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[libpng15] Added PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED macro, on by default.

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This commit is contained in:
Glenn Randers-Pehrson
2015-02-18 13:00:09 -06:00
parent a117d4eacc
commit 014440e6cd
6 changed files with 55 additions and 37 deletions
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16
png.h
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@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.5.22beta03 - February 17, 2015
* libpng version 1.5.22beta03 - February 18, 2015
* Copyright (c) 1998-2015 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -11,7 +11,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.5.22beta03 - February 17, 2015: Glenn
* libpng versions 0.97, January 1998, through 1.5.22beta03 - February 18, 2015: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -237,7 +237,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.5.22beta03, February 17, 2015, are
* libpng versions 1.2.6, August 15, 2004, through 1.5.22beta03, February 18, 2015, are
* Copyright (c) 2004, 2006-2015 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
@@ -349,7 +349,7 @@
* Y2K compliance in libpng:
* =========================
*
* February 17, 2015
* February 18, 2015
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@@ -418,7 +418,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.5.22beta03"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.5.22beta03 - February 17, 2015\n"
" libpng version 1.5.22beta03 - February 18, 2015\n"
#define PNG_LIBPNG_VER_SONUM 15
#define PNG_LIBPNG_VER_DLLNUM 15
@@ -1050,11 +1050,13 @@ PNG_EXPORTA(5, png_structp, png_create_write_struct,
png_error_ptr warn_fn),
PNG_ALLOCATED);
#ifdef PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED
PNG_EXPORT(6, png_size_t, png_get_compression_buffer_size,
(png_const_structp png_ptr));
PNG_EXPORT(7, void, png_set_compression_buffer_size, (png_structp png_ptr,
png_size_t size));
#endif /* WRITE_CUSTOMIZE_COMPRESSION */
/* Moved from pngconf.h in 1.4.0 and modified to ensure setjmp/longjmp
* match up.
@@ -1720,6 +1722,7 @@ PNG_FIXED_EXPORT(209, void, png_set_filter_heuristics_fixed,
* for PNG images, and do considerably fewer caclulations. In the future,
* these values may not correspond directly to the zlib compression levels.
*/
#ifdef PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED
PNG_EXPORT(69, void, png_set_compression_level,
(png_structp png_ptr, int level));
@@ -1737,7 +1740,7 @@ PNG_EXPORT(72, void, png_set_compression_window_bits, (png_structp png_ptr,
PNG_EXPORT(73, void, png_set_compression_method, (png_structp png_ptr,
int method));
#endif
#endif /* WRITE_CUSTOMIZE_COMPRESSION */
#ifdef PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED
/* Also set zlib parameters for compressing non-IDAT chunks */
@@ -1759,6 +1762,7 @@ PNG_EXPORT(225, void, png_set_text_compression_window_bits, (png_structp
PNG_EXPORT(226, void, png_set_text_compression_method, (png_structp png_ptr,
int method));
#endif /* PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED */
#endif /* WRITE */
/* These next functions are called for input/output, memory, and error
* handling. They are in the file pngrio.c, pngwio.c, and pngerror.c,