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Imported from libpng-1.4.0beta12.tar

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Glenn Randers-Pehrson
2006-10-19 09:37:56 -05:00
parent beb572e616
commit ebd7f9a371
45 changed files with 136 additions and 116 deletions
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libpng.3
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@@ -1,6 +1,6 @@
.TH LIBPNG 3 "August 19, 2006"
.TH LIBPNG 3 "October 19, 2006"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta11
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta12
.SH SYNOPSIS
\fI\fB
@@ -797,7 +797,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
libpng version 1.4.0beta11 - August 19, 2006
libpng version 1.4.0beta12 - October 19, 2006
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -1189,7 +1189,7 @@ dithering, and setting filler.) If this is the case, simply do this:
png_read_png(png_ptr, info_ptr, png_transforms, NULL)
where png_transforms is an integer containing the logical OR of
where png_transforms is an integer containing the bitwise OR of
some set of transformation flags. This call is equivalent to png_read_info(),
followed the set of transformations indicated by the transform mask,
then png_read_image(), and finally png_read_end().
@@ -2067,7 +2067,7 @@ point to libpng-allocated storage with the following function:
png_free_data(png_ptr, info_ptr, mask, seq)
mask - identifies data to be freed, a mask
containing the logical OR of one or
containing the bitwise OR of one or
more of
PNG_FREE_PLTE, PNG_FREE_TRNS,
PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -2129,7 +2129,7 @@ application instead of by libpng, you can use
png_set_invalid(png_ptr, info_ptr, mask);
mask - identifies the chunks to be made invalid,
containing the logical OR of one or
containing the bitwise OR of one or
more of
PNG_INFO_gAMA, PNG_INFO_sBIT,
PNG_INFO_cHRM, PNG_INFO_PLTE,
@@ -2441,7 +2441,7 @@ types.
/* turn on or off filtering, and/or choose
specific filters. You can use either a single
PNG_FILTER_VALUE_NAME or the logical OR of one
PNG_FILTER_VALUE_NAME or the bitwise OR of one
or more PNG_FILTER_NAME masks. */
png_set_filter(png_ptr, 0,
PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE |
@@ -2814,7 +2814,7 @@ png_set_rows() to put image data in the info structure), simply do this:
png_write_png(png_ptr, info_ptr, png_transforms, NULL)
where png_transforms is an integer containing the logical OR of some set of
where png_transforms is an integer containing the bitwise OR of some set of
transformation flags. This call is equivalent to png_write_info(),
followed the set of transformations indicated by the transform mask,
then png_write_image(), and finally png_write_end().
@@ -3074,7 +3074,7 @@ point to libpng-allocated storage with the following function:
png_free_data(png_ptr, info_ptr, mask, seq)
mask - identifies data to be freed, a mask
containing the logical OR of one or
containing the bitwise OR of one or
more of
PNG_FREE_PLTE, PNG_FREE_TRNS,
PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -3215,6 +3215,9 @@ The replacement I/O functions must have prototypes as follows:
png_bytep data, png_size_t length);
void user_flush_data(png_structp png_ptr);
The user_read_data() function is responsible for detecting and
handling end-of-data errors.
Supplying NULL for the read, write, or flush functions sets them back
to using the default C stream functions. It is an error to read from
a write stream, and vice versa.
@@ -3643,12 +3646,12 @@ Libpng can support some of these extensions. To enable them, use the
png_permit_mng_features() function:
feature_set = png_permit_mng_features(png_ptr, mask)
mask is a png_uint_32 containing the logical OR of the
mask is a png_uint_32 containing the bitwise OR of the
features you want to enable. These include
PNG_FLAG_MNG_EMPTY_PLTE
PNG_FLAG_MNG_FILTER_64
PNG_ALL_MNG_FEATURES
feature_set is a png_uint_32 that is the logical AND of
feature_set is a png_uint_32 that is the bitwise AND of
your mask with the set of MNG features that is
supported by the version of libpng that you are using.
@@ -3711,13 +3714,13 @@ application:
.SH IX. Y2K Compliance in libpng
August 19, 2006
October 19, 2006
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 1.4.0beta11 are Y2K compliant. It is my belief that earlier
upward through 1.4.0beta12 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that
@@ -3882,7 +3885,7 @@ the first widely used release:
1.4.0beta7-8 14 10400 14.so.0.0[.0]
1.2.11 13 10211 12.so.0.10[.0]
1.2.12 13 10212 12.so.0.10[.0]
1.4.0beta9-11 14 10400 14.so.0.0[.0]
1.4.0beta9-12 14 10400 14.so.0.0[.0]
Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be
@@ -3938,7 +3941,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.4.0beta11 - August 19, 2006:
Libpng version 1.4.0beta12 - October 19, 2006:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@@ -3959,7 +3962,7 @@ included in the libpng distribution, the latter shall prevail.)
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta11, August 19, 2006, are
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta12, October 19, 2006, are
Copyright (c) 2004-2006 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
@@ -4058,7 +4061,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
August 19, 2006
October 19, 2006
.\" end of man page