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43309056
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Third Party Libpng
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43309056
编写于
4月 27, 2012
作者:
G
Glenn Randers-Pehrson
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差异文件
[libpng16] Imported from libpng-1.6.0beta21.tar
上级
bc2a57f6
变更
13
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13 changed file
with
47 addition
and
29 deletion
+47
-29
LICENSE
LICENSE
+2
-2
README
README
+1
-1
libpng-manual.txt
libpng-manual.txt
+13
-4
libpng.3
libpng.3
+17
-8
libpngpf.3
libpngpf.3
+1
-1
png.5
png.5
+1
-1
png.c
png.c
+2
-2
png.h
png.h
+5
-5
pngconf.h
pngconf.h
+1
-1
projects/vstudio/readme.txt
projects/vstudio/readme.txt
+1
-1
projects/vstudio/zlib.props
projects/vstudio/zlib.props
+1
-1
scripts/README.txt
scripts/README.txt
+1
-1
scripts/pnglibconf.h.prebuilt
scripts/pnglibconf.h.prebuilt
+1
-1
未找到文件。
LICENSE
浏览文件 @
43309056
...
...
@@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.6.0beta21,
March 29
, 2012, are
libpng versions 1.2.6, August 15, 2004, through 1.6.0beta21,
April 27
, 2012, 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
...
...
@@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
March 29
, 2012
April 27
, 2012
README
浏览文件 @
43309056
README for libpng version 1.6.0beta21 -
March 29
, 2012 (shared library 16.0)
README for libpng version 1.6.0beta21 -
April 27
, 2012 (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.
...
...
libpng-manual.txt
浏览文件 @
43309056
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.0beta21 -
March 29
, 2012
libpng version 1.6.0beta21 -
April 27
, 2012
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2011 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 1.6.0beta21 -
March 29
, 2012
libpng versions 0.97, January 1998, through 1.6.0beta21 -
April 27
, 2012
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2011 Glenn Randers-Pehrson
...
...
@@ -822,7 +822,7 @@ the screen_gamma value. Pixels with alpha less than 1.0
will still have linear components.
Use this format if you have control over your
compositing software and
d
o don't do other arithmetic
compositing software and
s
o don't do other arithmetic
(such as scaling) on the data you get from libpng. Your
compositing software can simply copy opaque pixels to
the output but still has linear values for the
...
...
@@ -1153,6 +1153,15 @@ data has been read, or zero if it is missing. The parameters to the
png_get_<chunk> are set directly if they are simple data types, or a
pointer into the info_ptr is returned for any complex types.
The colorspace data from gAMA, cHRM, sRGB, iCCP, and sBIT chunks
is simply returned to give the application information about how the
image was encoded. Libpng itself only does transformations using the file
gamma when combining semitransparent pixels with the background color, and,
since libpng-1.6.0, when converting between 8-bit sRGB and 16-bit linear pixels
within the simplified API. Libpng also uses the file gamma when converting
RGB to gray, beginning with libpng-1.0.5, if the application calls
png_set_rgb_to_gray()).
png_get_PLTE(png_ptr, info_ptr, &palette,
&num_palette);
...
...
@@ -5003,7 +5012,7 @@ Other rules can be inferred by inspecting the libpng source.
XVI. Y2K Compliance in libpng
March 29
, 2012
April 27
, 2012
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
...
...
libpng.3
浏览文件 @
43309056
.TH LIBPNG 3 "
March 29
, 2012"
.TH LIBPNG 3 "
April 27
, 2012"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta21
.SH SYNOPSIS
...
...
@@ -1007,7 +1007,7 @@ 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 1.6.0beta21 -
March 29
, 2012
libpng version 1.6.0beta21 -
April 27
, 2012
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2011 Glenn Randers-Pehrson
...
...
@@ -1018,7 +1018,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.6.0beta21 -
March 29
, 2012
libpng versions 0.97, January 1998, through 1.6.0beta21 -
April 27
, 2012
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2011 Glenn Randers-Pehrson
...
...
@@ -1829,7 +1829,7 @@ the screen_gamma value. Pixels with alpha less than 1.0
will still have linear components.
Use this format if you have control over your
compositing software and
d
o don't do other arithmetic
compositing software and
s
o don't do other arithmetic
(such as scaling) on the data you get from libpng. Your
compositing software can simply copy opaque pixels to
the output but still has linear values for the
...
...
@@ -2160,6 +2160,15 @@ data has been read, or zero if it is missing. The parameters to the
png_get_<chunk> are set directly if they are simple data types, or a
pointer into the info_ptr is returned for any complex types.
The colorspace data from gAMA, cHRM, sRGB, iCCP, and sBIT chunks
is simply returned to give the application information about how the
image was encoded. Libpng itself only does transformations using the file
gamma when combining semitransparent pixels with the background color, and,
since libpng-1.6.0, when converting between 8-bit sRGB and 16-bit linear pixels
within the simplified API. Libpng also uses the file gamma when converting
RGB to gray, beginning with libpng-1.0.5, if the application calls
png_set_rgb_to_gray()).
png_get_PLTE(png_ptr, info_ptr, &palette,
&num_palette);
...
...
@@ -6011,7 +6020,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XVI. Y2K Compliance in libpng
March 29
, 2012
April 27
, 2012
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
...
...
@@ -6279,7 +6288,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.6.0beta21 -
March 29
, 2012:
Libpng version 1.6.0beta21 -
April 27
, 2012:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
...
...
@@ -6302,7 +6311,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.6.0beta21,
March 29
, 2012, are
libpng versions 1.2.6, August 15, 2004, through 1.6.0beta21,
April 27
, 2012, are
Copyright (c) 2004,2006-2007 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
...
...
@@ -6401,7 +6410,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
March 29
, 2012
April 27
, 2012
.\" end of man page
libpngpf.3
浏览文件 @
43309056
.TH LIBPNGPF 3 "
March 29
, 2012"
.TH LIBPNGPF 3 "
April 27
, 2012"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta21
(private functions)
...
...
png.5
浏览文件 @
43309056
.TH PNG 5 "
March 29
, 2012"
.TH PNG 5 "
April 27
, 2012"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
...
...
png.c
浏览文件 @
43309056
...
...
@@ -747,13 +747,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return
PNG_STRING_NEWLINE
\
"libpng version 1.6.0beta21 -
March 29
, 2012"
PNG_STRING_NEWLINE
\
"libpng version 1.6.0beta21 -
April 27
, 2012"
PNG_STRING_NEWLINE
\
"Copyright (c) 1998-2012 Glenn Randers-Pehrson"
PNG_STRING_NEWLINE
\
"Copyright (c) 1996-1997 Andreas Dilger"
PNG_STRING_NEWLINE
\
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."
\
PNG_STRING_NEWLINE
;
# else
return
"libpng version 1.6.0beta21 -
March 29
, 2012\
return
"libpng version 1.6.0beta21 -
April 27
, 2012\
Copyright (c) 1998-2012 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."
;
...
...
png.h
浏览文件 @
43309056
/* png.h - header file for PNG reference library
*
* libpng version 1.6.0beta21 -
March 29
, 2012
* libpng version 1.6.0beta21 -
April 27
, 2012
* Copyright (c) 1998-2012 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 1.6.0beta21 -
March 29
, 2012: Glenn
* libpng versions 0.97, January 1998, through 1.6.0beta21 -
April 27
, 2012: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
...
...
@@ -198,7 +198,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.6.0beta21,
March 29
, 2012, are
* libpng versions 1.2.6, August 15, 2004, through 1.6.0beta21,
April 27
, 2012, are
* Copyright (c) 2004, 2006-2012 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:
...
...
@@ -310,7 +310,7 @@
* Y2K compliance in libpng:
* =========================
*
*
March 29
, 2012
*
April 27
, 2012
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
...
...
@@ -376,7 +376,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.0beta21"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.6.0beta21 -
March 29
, 2012\n"
" libpng version 1.6.0beta21 -
April 27
, 2012\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16
...
...
pngconf.h
浏览文件 @
43309056
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.6.0beta21 -
March 29
, 2012
* libpng version 1.6.0beta21 -
April 27
, 2012
*
* Copyright (c) 1998-2012 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
projects/vstudio/readme.txt
浏览文件 @
43309056
VisualStudio instructions
libpng version 1.6.0beta21 -
March 29
, 2012
libpng version 1.6.0beta21 -
April 27
, 2012
Copyright (c) 1998-2010 Glenn Randers-Pehrson
...
...
projects/vstudio/zlib.props
浏览文件 @
43309056
...
...
@@ -2,7 +2,7 @@
<!--
* zlib.props - location of zlib source
*
* libpng version 1.6.0beta21 -
March 29
, 2012
* libpng version 1.6.0beta21 -
April 27
, 2012
*
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
*
...
...
scripts/README.txt
浏览文件 @
43309056
Makefiles for libpng version 1.6.0beta21 -
March 29
, 2012
Makefiles for libpng version 1.6.0beta21 -
April 27
, 2012
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile
...
...
scripts/pnglibconf.h.prebuilt
浏览文件 @
43309056
...
...
@@ -3,7 +3,7 @@
/* pnglibconf.h - library build configuration */
/* Libpng 1.6.0beta21 -
March 29
, 2012 */
/* Libpng 1.6.0beta21 -
April 27
, 2012 */
/* Copyright (c) 1998-2012 Glenn Randers-Pehrson */
...
...
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