[libpng16] Define PNG_FILTER_* and PNG_FILTER_VALUE_* in png.h even when WRITE

is not supported (John Bowler).  This fixes an error introduced in
libpng-1.6.17beta06.
This commit is contained in:
John Bowler 2015-03-17 21:32:27 -05:00 committed by Glenn Randers-Pehrson
parent 0aabfe2a4c
commit 2b66107abb
3 changed files with 16 additions and 8 deletions

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@ -1,4 +1,4 @@
Libpng 1.6.17rc05 - March 17, 2015
Libpng 1.6.17rc05 - March 18, 2015
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -85,7 +85,10 @@ Version 1.6.17rc04 [March 16, 2015]
Fix bug in calculation of maxbits, in png_write_sBIT, introduced
in libpng-1.6.17beta01 (John Bowler).
Version 1.6.17rc05 [March 17, 2015]
Version 1.6.17rc05 [March 18, 2015]
Define PNG_FILTER_* and PNG_FILTER_VALUE_* in png.h even when WRITE
is not supported (John Bowler). This fixes an error introduced in
libpng-1.6.17beta06.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

View File

@ -5186,7 +5186,10 @@ Version 1.6.17rc04 [March 16, 2015]
Fix bug in calculation of maxbits, in png_write_sBIT, introduced
in libpng-1.6.17beta01 (John Bowler).
Version 1.6.17rc05 [March 17, 2015]
Version 1.6.17rc05 [March 18, 2015]
Define PNG_FILTER_* and PNG_FILTER_VALUE_* in png.h even when WRITE
is not supported (John Bowler). This fixes an error introduced in
libpng-1.6.17beta06.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

12
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.6.17rc05, March 17, 2015
* libpng version 1.6.17rc05, March 18, 2015
*
* Copyright (c) 1998-2015 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -12,7 +12,7 @@
* 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 1.6.17rc05, March 17, 2015: Glenn
* libpng versions 0.97, January 1998, through 1.6.17rc05, March 18, 2015: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -246,7 +246,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.6.17rc05, March 17, 2015, are
* libpng versions 1.2.6, August 15, 2004, through 1.6.17rc05, March 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:
@ -358,7 +358,7 @@
* Y2K compliance in libpng:
* =========================
*
* March 17, 2015
* March 18, 2015
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@ -428,7 +428,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.17rc05"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.6.17rc05 - March 17, 2015\n"
" libpng version 1.6.17rc05 - March 18, 2015\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16
@ -1595,6 +1595,7 @@ PNG_EXPORT(66, void, png_set_crc_action, (png_structrp png_ptr, int crit_action,
*/
PNG_EXPORT(67, void, png_set_filter, (png_structrp png_ptr, int method,
int filters));
#endif /* WRITE */
/* Flags for png_set_filter() to say which filters to use. The flags
* are chosen so that they don't conflict with real filter types
@ -1620,6 +1621,7 @@ PNG_EXPORT(67, void, png_set_filter, (png_structrp png_ptr, int method,
#define PNG_FILTER_VALUE_PAETH 4
#define PNG_FILTER_VALUE_LAST 5
#ifdef PNG_WRITE_SUPPORTED
#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED /* EXPERIMENTAL */
/* The "heuristic_method" is given by one of the PNG_FILTER_HEURISTIC_
* defines, either the default (minimum-sum-of-absolute-differences), or