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[devel] Added png_set_chop_16() API.

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This commit is contained in:
Glenn Randers-Pehrson
2011-06-13 22:07:37 -05:00
parent 74945f2f04
commit 413138a5ca
9 changed files with 105 additions and 55 deletions
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27
png.h
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@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.5.4beta01 - June 14, 2011
* libpng version 1.5.4beta02 - June 14, 2011
* Copyright (c) 1998-2011 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 1.5.4beta01 - June 14, 2011: Glenn
* libpng versions 0.97, January 1998, through 1.5.4beta02 - June 14, 2011: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -152,8 +152,9 @@
* 1.5.2 15 10502 15.so.15.2[.0]
* 1.5.3beta01-10 15 10503 15.so.15.3[.0]
* 1.5.3rc01-02 15 10503 15.so.15.3[.0]
* 1.5.3beta11 [no 1.5.3] 15 10503 15.so.15.3[.0]
* 1.5.4beta01 15 10504 15.so.15.4[.0]
* 1.5.3beta11 15 10503 15.so.15.3[.0]
* 1.5.3 [omitted]
* 1.5.4beta01-02 15 10504 15.so.15.4[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@@ -185,7 +186,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.5.4beta01, June 14, 2011, are
* libpng versions 1.2.6, August 15, 2004, through 1.5.4beta02, June 14, 2011, are
* Copyright (c) 2004, 2006-2011 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:
@@ -303,7 +304,7 @@
* an official declaration.
*
* This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.5.4beta01 are Y2K compliant. It is my belief that
* upward through 1.5.4beta02 are Y2K compliant. It is my belief that
* earlier versions were also Y2K compliant.
*
* Libpng only has two year fields. One is a 2-byte unsigned integer
@@ -358,9 +359,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.5.4beta01"
#define PNG_LIBPNG_VER_STRING "1.5.4beta02"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.5.4beta01 - June 14, 2011\n"
" libpng version 1.5.4beta02 - June 14, 2011\n"
#define PNG_LIBPNG_VER_SONUM 15
#define PNG_LIBPNG_VER_DLLNUM 15
@@ -373,7 +374,7 @@
* PNG_LIBPNG_VER_STRING, omitting any leading zero:
*/
#define PNG_LIBPNG_VER_BUILD 01
#define PNG_LIBPNG_VER_BUILD 02
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@@ -520,7 +521,7 @@ extern "C" {
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
typedef char* png_libpng_version_1_5_4beta01;
typedef char* png_libpng_version_1_5_4beta02;
/* Three color definitions. The order of the red, green, and blue, (and the
* exact size) is not important, although the size of the fields need to
@@ -1422,8 +1423,10 @@ PNG_FIXED_EXPORT(215, void, png_set_background_fixed, (png_structp png_ptr,
#endif
#ifdef PNG_READ_16_TO_8_SUPPORTED
/* Strip the second byte of information from a 16-bit depth file. */
/* Scale a 16-bit depth file down to 8-bit, accurately. */
PNG_EXPORT(48, void, png_set_strip_16, (png_structp png_ptr));
/* Strip the second byte of information from a 16-bit depth file. */
PNG_EXPORT(229, void, png_set_chop_16, (png_structp png_ptr));
#endif
#ifdef PNG_READ_QUANTIZE_SUPPORTED
@@ -2566,7 +2569,7 @@ PNG_EXPORT(207, void, png_save_uint_16, (png_bytep buf, unsigned int i));
* scripts/symbols.def as well.
*/
#ifdef PNG_EXPORT_LAST_ORDINAL
PNG_EXPORT_LAST_ORDINAL(228);
PNG_EXPORT_LAST_ORDINAL(229);
#endif
#ifdef __cplusplus