cheng/libpng
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[libpng16] Imported from libpng-1.6.19beta01.tar

Browse Source
This commit is contained in:
Glenn Randers-Pehrson 2015-07-29 16:01:26 -05:00
parent 8510247b5f
commit 67806d44c1
14 changed files with 46 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
LICENSE
View File

@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000, through 1.6.19beta01, July 24, 2015, are
libpng versions 1.0.7, July 1, 2000, through 1.6.19beta01, July 29, 2015, are
Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.0.6
with the following individuals added to the list of Contributing Authors:
@ -104,4 +104,4 @@ the additional disclaimers inserted at version 1.0.7.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
July 24, 2015
July 29, 2015

2
README
View File

@ -1,4 +1,4 @@
README for libpng version 1.6.19beta01 - July 24, 2015 (shared library 16.0)
README for libpng version 1.6.19beta01 - July 29, 2015 (shared library 16.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.

29
contrib/pngminus/pnm2png.c
View File

@ -3,6 +3,7 @@
* copyright (C) 1999 by Willem van Schaik <willem@schaik.com>
*
* version 1.0 - 1999.10.15 - First version.
* version 1.1 - 2015.07.29 - Fixed leaks (Glenn Randers-Pehrson)
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
@ -200,17 +201,17 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
char width_token[16];
char height_token[16];
char maxval_token[16];
volatile int color_type;
volatile int color_type=1;
unsigned long ul_width=0, ul_alpha_width=0;
unsigned long ul_height=0, ul_alpha_height=0;
unsigned long ul_maxval=0;
volatile png_uint_32 width, height;
volatile png_uint_32 alpha_width, alpha_height;
volatile png_uint_32 width=0, height=0;
volatile png_uint_32 alpha_width=0, alpha_height=0;
png_uint_32 maxval;
volatile int bit_depth = 0;
int channels;
int channels=0;
int alpha_depth = 0;
int alpha_present;
int alpha_present=0;
int row, col;
BOOL raw, alpha_raw = FALSE;
#if defined(PNG_WRITE_INVERT_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED)
@ -356,8 +357,10 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
channels = 3;
else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA)
channels = 4;
#if 0
else
channels = 0; /* should not happen */
channels = 0; /* cannot happen */
#endif
alpha_present = (channels - 1) % 2;
@ -429,12 +432,16 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
NULL);
if (!png_ptr)
{
free (png_pixels);
png_pixels = NULL;
return FALSE;
}
info_ptr = png_create_info_struct (png_ptr);
if (!info_ptr)
{
png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
free (png_pixels);
png_pixels = NULL;
return FALSE;
}
@ -449,7 +456,9 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
/* setjmp() must be called in every function that calls a PNG-reading libpng function */
if (setjmp (png_jmpbuf(png_ptr)))
{
png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
png_destroy_write_struct (&png_ptr, &info_ptr);
free (png_pixels);
png_pixels = NULL;
return FALSE;
}
@ -470,7 +479,9 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
if ((row_pointers = (png_byte **)
malloc (height * sizeof (png_bytep))) == NULL)
{
png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
png_destroy_write_struct (&png_ptr, &info_ptr);
free (png_pixels);
png_pixels = NULL;
return FALSE;
}
}
@ -486,7 +497,7 @@ BOOL pnm2png (FILE *pnm_file, FILE *png_file, FILE *alpha_file, BOOL interlace,
png_write_end (png_ptr, info_ptr);
/* clean up after the write, and free any memory allocated */
png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
png_destroy_write_struct (&png_ptr, &info_ptr);
if (row_pointers != (unsigned char**) NULL)
free (row_pointers);

6
libpng-manual.txt
View File

@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.19beta01 - July 25, 2015
libpng version 1.6.19beta01 - July 29, 2015
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2015 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.6.19beta01 - July 25, 2015
libpng versions 0.97, January 1998, through 1.6.19beta01 - July 29, 2015
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2015 Glenn Randers-Pehrson
@ -5304,7 +5304,7 @@ Other rules can be inferred by inspecting the libpng source.
XVI. Y2K Compliance in libpng
July 25, 2015
July 29, 2015
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.

16
libpng.3
View File

@ -1,4 +1,4 @@
.TH LIBPNG 3 "July 25, 2015"
.TH LIBPNG 3 "July 29, 2015"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.19beta01
.SH SYNOPSIS
@ -508,7 +508,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.19beta01 - July 25, 2015
libpng version 1.6.19beta01 - July 29, 2015
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2015 Glenn Randers-Pehrson
@ -519,7 +519,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.6.19beta01 - July 25, 2015
libpng versions 0.97, January 1998, through 1.6.19beta01 - July 29, 2015
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2015 Glenn Randers-Pehrson
@ -5812,7 +5812,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XVI. Y2K Compliance in libpng
July 25, 2015
July 29, 2015
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
@ -6042,7 +6042,7 @@ the first widely used release:
1.6.5 16 10605 16.so.16.5[.0]
1.6.6 16 10606 16.so.16.6[.0]
1.6.7beta01-04 16 10607 16.so.16.7[.0]
1.6.7rc01-02 16 10607 16.so.16.7[.0]
1.6.7rc01-03 16 10607 16.so.16.7[.0]
1.6.7 16 10607 16.so.16.7[.0]
1.6.8beta01-02 16 10608 16.so.16.8[.0]
1.6.8rc01-02 16 10608 16.so.16.8[.0]
@ -6133,7 +6133,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.6.19beta01 - July 25, 2015:
Libpng version 1.6.19beta01 - July 29, 2015:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -6156,7 +6156,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000, through 1.6.19beta01, July 25, 2015, are
libpng versions 1.0.7, July 1, 2000, through 1.6.19beta01, July 29, 2015, are
Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.0.6
with the following individuals added to the list of Contributing Authors:
@ -6250,7 +6250,7 @@ the additional disclaimers inserted at version 1.0.7.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
July 25, 2015
July 29, 2015
.\" end of man page

2
libpngpf.3
View File

@ -1,4 +1,4 @@
.TH LIBPNGPF 3 "July 24, 2015"
.TH LIBPNGPF 3 "July 29, 2015"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.19beta01
(private functions)

2
png.5
View File

@ -1,4 +1,4 @@
.TH PNG 5 "July 24, 2015"
.TH PNG 5 "July 29, 2015"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

10
png.h
View File

@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.6.19beta01, July 26, 2015
* libpng version 1.6.19beta01, July 29, 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 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.19beta01, July 26, 2015: Glenn
* libpng versions 0.97, January 1998, through 1.6.19beta01, July 29, 2015: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -251,7 +251,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.0.7, July 1, 2000, through 1.6.19beta01, July 26, 2015, are
* libpng versions 1.0.7, July 1, 2000, through 1.6.19beta01, July 29, 2015, are
* Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.0.6
* with the following individuals added to the list of Contributing Authors:
@ -360,7 +360,7 @@
* Y2K compliance in libpng:
* =========================
*
* July 26, 2015
* July 29, 2015
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@ -430,7 +430,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.19beta01"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.6.19beta01 - July 26, 2015\n"
" libpng version 1.6.19beta01 - July 29, 2015\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16

4
pngpriv.h
View File

@ -575,10 +575,6 @@
#define PNG_STRUCT_PNG 0x0001
#define PNG_STRUCT_INFO 0x0002
/* Scaling factor for filter heuristic weighting calculations */
#define PNG_WEIGHT_FACTOR (1<<(PNG_WEIGHT_SHIFT))
#define PNG_COST_FACTOR (1<<(PNG_COST_SHIFT))
/* Flags for the png_ptr->flags rather than declaring a byte for each one */
#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001
#define PNG_FLAG_ZSTREAM_INITIALIZED 0x0002 /* Added to libpng-1.6.0 */

2
projects/vstudio/readme.txt
View File

@ -1,7 +1,7 @@
VisualStudio instructions
libpng version 1.6.19beta01 - July 24, 2015
libpng version 1.6.19beta01 - July 29, 2015
Copyright (c) 1998-2010 Glenn Randers-Pehrson

2
projects/vstudio/zlib.props
View File

@ -2,7 +2,7 @@
<!--
* zlib.props - location of zlib source
*
* libpng version 1.6.19beta01 - July 24, 2015
* libpng version 1.6.19beta01 - July 29, 2015
*
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
*

2
scripts/README.txt
View File

@ -1,5 +1,5 @@
Makefiles for libpng version 1.6.19beta01 - July 24, 2015
Makefiles for libpng version 1.6.19beta01 - July 29, 2015
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile

9
scripts/pnglibconf.dfa
View File

@ -515,9 +515,7 @@ option WRITE_USER_TRANSFORM requires WRITE_TRANSFORMS
option WRITE_INTERLACING requires WRITE
# The following depends, internally, on WEIGHT_SHIFT and COST_SHIFT
# where are set below.
# Deprecated, will be removed.
option WRITE_WEIGHTED_FILTER requires WRITE
option WRITE_FLUSH requires WRITE
@ -668,11 +666,6 @@ setting MAX_GAMMA_8 default 11
setting GAMMA_THRESHOLD_FIXED default 5000
# Scaling factor for filter heuristic weighting calculations
setting WEIGHT_SHIFT default 8
setting COST_SHIFT default 3
# Precision to use when converting a floating point value to a PNG
# extension format string in an sCAL chunk (only relevant if the
# floating point API is enabled)

4
scripts/pnglibconf.h.prebuilt
View File

@ -2,7 +2,7 @@
/* pnglibconf.h - library build configuration */
/* Libpng version 1.6.19beta01 - July 24, 2015 */
/* Libpng version 1.6.19beta01 - July 29, 2015 */
/* Copyright (c) 1998-2014 Glenn Randers-Pehrson */
@ -185,7 +185,6 @@
/* end of options */
/* settings */
#define PNG_API_RULE 0
#define PNG_COST_SHIFT 3
#define PNG_DEFAULT_READ_MACROS 1
#define PNG_GAMMA_THRESHOLD_FIXED 5000
#define PNG_IDAT_READ_SIZE PNG_ZBUF_SIZE
@ -204,7 +203,6 @@
#define PNG_USER_CHUNK_MALLOC_MAX 8000000
#define PNG_USER_HEIGHT_MAX 1000000
#define PNG_USER_WIDTH_MAX 1000000
#define PNG_WEIGHT_SHIFT 8
#define PNG_ZBUF_SIZE 8192
#define PNG_ZLIB_VERNUM 0 /* unknown */
#define PNG_Z_DEFAULT_COMPRESSION (-1)