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[libpng16] Added note about png_get_rowbytes() being affected by transforms

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Glenn Randers-Pehrson 2017-07-03 11:11:44 -05:00
parent 89b8c133e7
commit b5c16f8bfc
2 changed files with 18 additions and 8 deletions
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9
libpng-manual.txt
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@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.31beta01 - June 28, 2017
libpng version 1.6.31beta01 - July 3, 2017
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2017 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 1.6.31beta01 - June 28, 2017
libpng versions 0.97, January 1998, through 1.6.31beta01 - July 3, 2017
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2017 Glenn Randers-Pehrson
@ -1330,6 +1330,11 @@ in until png_read_end() has read the chunk data following the image.
rowbytes = png_get_rowbytes(png_ptr, info_ptr);
rowbytes - number of bytes needed to hold a row
This value, the bit_depth, color_type,
and the number of channels can change
if you use transforms such as
png_set_expand(). See
png_read_update_info(), below.
signature = png_get_signature(png_ptr, info_ptr);

17
libpng.3
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@ -1,4 +1,4 @@
.TH LIBPNG 3 "June 28, 2017"
.TH LIBPNG 3 "July 3, 2017"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.31beta01
.SH SYNOPSIS
@ -510,7 +510,7 @@ 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 1.6.31beta01 - June 28, 2017
libpng version 1.6.31beta01 - July 3, 2017
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2017 Glenn Randers-Pehrson
@ -521,7 +521,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.6.31beta01 - June 28, 2017
libpng versions 0.97, January 1998, through 1.6.31beta01 - July 3, 2017
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2017 Glenn Randers-Pehrson
@ -1840,6 +1840,11 @@ in until png_read_end() has read the chunk data following the image.
rowbytes = png_get_rowbytes(png_ptr, info_ptr);
rowbytes - number of bytes needed to hold a row
This value, the bit_depth, color_type,
and the number of channels can change
if you use transforms such as
png_set_expand(). See
png_read_update_info(), below.
signature = png_get_signature(png_ptr, info_ptr);
@ -6051,7 +6056,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.6.31beta01 - June 28, 2017:
Libpng version 1.6.31beta01 - July 3, 2017:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -6076,7 +6081,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000 through 1.6.31beta01, June 28, 2017 are
libpng versions 1.0.7, July 1, 2000 through 1.6.31beta01, July 3, 2017 are
Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals
@ -6204,7 +6209,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
June 28, 2017
July 3, 2017
.\" end of man page