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[master] Imported from libpng-1.5.14.tar

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Glenn Randers-Pehrson
2013-01-23 20:59:12 -06:00
parent c2ac10b502
commit d14caad2e9
62 changed files with 2504 additions and 1868 deletions
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17
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 1.5.13 - September 27, 2012
libpng version 1.5.14 - January 24, 2013
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2012 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 1.5.13 - September 27, 2012
libpng versions 0.97, January 1998, through 1.5.14 - January 24, 2013
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2012 Glenn Randers-Pehrson
@@ -48,7 +48,7 @@ of reducing the amount of time and effort it takes to support the PNG
file format in application programs.
The PNG specification (second edition), November 2003, is available as
a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2003 (E)) at
a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2004 (E)) at
<http://www.w3.org/TR/2003/REC-PNG-20031110/
The W3C and ISO documents have identical technical content.
@@ -650,9 +650,6 @@ where 0x7fffffffL means unlimited. You can retrieve this limit with
chunk_cache_max = png_get_chunk_cache_max(png_ptr);
This limit also applies to the number of buffers that can be allocated
by png_decompress_chunk() while decompressing iTXt, zTXt, and iCCP chunks.
You can also set a limit on the amount of memory that a compressed chunk
other than IDAT can occupy, with
@@ -4581,7 +4578,7 @@ pngtest) appear in
pngpriv.h
above the comment that says
/* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */
/* Maintainer: Put new private prototypes here ^ */
To avoid polluting the global namespace, the names of all exported
functions and variables begin with "png_", and all publicly visible C
@@ -4598,7 +4595,7 @@ left parenthesis that follows it:
for (i = 2; i > 0; --i)
y[i] = a(x) + (int)b;
We prefer #ifdef and #ifndef to #if defined() and if !defined()
We prefer #ifdef and #ifndef to #if defined() and #if !defined()
when there is only one macro being tested.
We prefer to express integers that are used as bit masks in hex format,
@@ -4612,13 +4609,13 @@ Other rules can be inferred by inspecting the libpng source.
XIV. Y2K Compliance in libpng
September 27, 2012
January 24, 2013
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
This is your unofficial assurance that libpng from version 0.71 and
upward through 1.5.13 are Y2K compliant. It is my belief that earlier
upward through 1.5.14 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 that