[libpng16] Imported from libpng-1.6.0beta32.tar
This commit is contained in:
parent
5b9a28f2b8
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4
ANNOUNCE
4
ANNOUNCE
@ -1,5 +1,5 @@
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Libpng 1.6.0beta32 - November 22, 2012
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Libpng 1.6.0beta32 - November 25, 2012
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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@ -545,7 +545,7 @@ Version 1.6.0beta31 [November 1, 2012]
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gain; implementing full ICC color correction may be desireable but is left
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up to applications.
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Version 1.6.0beta32 [November 22, 2012]
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Version 1.6.0beta32 [November 25, 2012]
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Fixed an intermittent SEGV in pngstest due to an uninitialized array element.
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Added the ability for contrib/libtests/makepng.c to make a PNG with just one
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color. This is useful for debugging pngstest color inaccuracy reports.
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2
CHANGES
2
CHANGES
@ -4297,7 +4297,7 @@ Version 1.6.0beta31 [November 1, 2012]
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gain; implementing full ICC color correction may be desireable but is left
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up to applications.
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Version 1.6.0beta32 [November 22, 2012]
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Version 1.6.0beta32 [November 25, 2012]
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Fixed an intermittent SEGV in pngstest due to an uninitialized array element.
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Added the ability for contrib/libtests/makepng.c to make a PNG with just one
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color. This is useful for debugging pngstest color inaccuracy reports.
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4
LICENSE
4
LICENSE
@ -10,7 +10,7 @@ this sentence.
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This code is released under the libpng license.
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libpng versions 1.2.6, August 15, 2004, through 1.6.0beta32, November 1, 2012, are
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libpng versions 1.2.6, August 15, 2004, through 1.6.0beta32, November 25, 2012, are
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Copyright (c) 2004, 2006-2012 Glenn Randers-Pehrson, and are
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distributed according to the same disclaimer and license as libpng-1.2.5
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with the following individual added to the list of Contributing Authors
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@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
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Glenn Randers-Pehrson
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glennrp at users.sourceforge.net
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November 1, 2012
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November 25, 2012
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2
README
2
README
@ -1,4 +1,4 @@
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README for libpng version 1.6.0beta32 - November 1, 2012 (shared library 16.0)
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README for libpng version 1.6.0beta32 - November 25, 2012 (shared library 16.0)
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See the note about version numbers near the top of png.h
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See INSTALL for instructions on how to install libpng.
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@ -1,6 +1,6 @@
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libpng-manual.txt - A description on how to use and modify libpng
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libpng version 1.6.0beta32 - November 1, 2012
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libpng version 1.6.0beta32 - November 25, 2012
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Updated and distributed by Glenn Randers-Pehrson
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<glennrp at users.sourceforge.net>
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Copyright (c) 1998-2011 Glenn Randers-Pehrson
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@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
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Based on:
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libpng versions 0.97, January 1998, through 1.6.0beta32 - November 1, 2012
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libpng versions 0.97, January 1998, through 1.6.0beta32 - November 25, 2012
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2011 Glenn Randers-Pehrson
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@ -2567,6 +2567,20 @@ You can #define PNG_ABORT() to a function that does something
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more useful than abort(), as long as your function does not
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return.
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Checking for invalid palette index on write was added at libpng
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1.5.10. If a pixel contains an invalid (out-of-range) index libpng issues
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a benign error. This is enabled by default because this condition is an
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error according to the PNG specification, Clause 11.3.2, but the error can
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be ignored in each png_ptr with
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png_set_check_for_invalid_index(png_ptr, 0);
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If the error is ignored, or if png_benign_error() treats it as a warning,
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any invalid pixels are written as-is by the encoder, resulting in an
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invalid PNG datastream as output. In this case the application is
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responsible for ensuring that the pixel indexes are in range when it writes
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a PLTE chunk with fewer entries than the bit depth would allow.
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Now you need to set up the output code. The default for libpng is to
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use the C function fwrite(). If you use this, you will need to pass a
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valid FILE * in the function png_init_io(). Be sure that the file is
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@ -3534,7 +3548,7 @@ need to write. The "png_image" structure contains the following members:
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png_uint_32 warning_or_error;
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char message[64];
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In the event of an error or warning the following field wrning_or_error
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In the event of an error or warning the following field warning_or_error
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field will be set to a non-zero value and the 'message' field will contain
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a '\0' terminated string with the libpng error or warning message. If both
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warnings and an error were encountered, only the error is recorded. If there
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@ -4562,13 +4576,22 @@ function) incorrectly returned a value of type png_uint_32.
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Checking for invalid palette index on read or write was added at libpng
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1.5.10. When an invalid index is found, libpng issues a benign error.
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This is enabled by default but can be disabled in each png_ptr with
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This is enabled by default because this condition is an error according
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to the PNG specification, Clause 11.3.2, but the error can be ignored in
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each png_ptr with
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png_set_check_for_invalid_index(png_ptr, allowed);
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allowed - one of
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0: disable
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1: enable
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0: disable benign error (accept the
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invalid data without warning).
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1: enable benign error (treat the
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invalid data as an error or a
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warning).
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If the error is ignored, or if png_benign_error() treats it as a warning,
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any invalid pixels are decoded as opaque black by the decoder and written
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as-is by the encoder.
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A. Changes that affect users of libpng
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@ -5064,7 +5087,7 @@ Other rules can be inferred by inspecting the libpng source.
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XVI. Y2K Compliance in libpng
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November 1, 2012
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November 25, 2012
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Since the PNG Development group is an ad-hoc body, we can't make
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an official declaration.
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45
libpng.3
45
libpng.3
@ -1,4 +1,4 @@
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.TH LIBPNG 3 "November 1, 2012"
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.TH LIBPNG 3 "November 25, 2012"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta32
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.SH SYNOPSIS
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@ -997,7 +997,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
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.SH LIBPNG.TXT
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libpng-manual.txt - A description on how to use and modify libpng
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libpng version 1.6.0beta32 - November 1, 2012
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libpng version 1.6.0beta32 - November 25, 2012
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Updated and distributed by Glenn Randers-Pehrson
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<glennrp at users.sourceforge.net>
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Copyright (c) 1998-2011 Glenn Randers-Pehrson
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@ -1008,7 +1008,7 @@ libpng-manual.txt - A description on how to use and modify libpng
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Based on:
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libpng versions 0.97, January 1998, through 1.6.0beta32 - November 1, 2012
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libpng versions 0.97, January 1998, through 1.6.0beta32 - November 25, 2012
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2011 Glenn Randers-Pehrson
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@ -3564,6 +3564,20 @@ You can #define PNG_ABORT() to a function that does something
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more useful than abort(), as long as your function does not
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return.
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Checking for invalid palette index on write was added at libpng
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1.5.10. If a pixel contains an invalid (out-of-range) index libpng issues
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a benign error. This is enabled by default because this condition is an
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error according to the PNG specification, Clause 11.3.2, but the error can
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be ignored in each png_ptr with
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png_set_check_for_invalid_index(png_ptr, 0);
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If the error is ignored, or if png_benign_error() treats it as a warning,
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any invalid pixels are written as-is by the encoder, resulting in an
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invalid PNG datastream as output. In this case the application is
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responsible for ensuring that the pixel indexes are in range when it writes
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a PLTE chunk with fewer entries than the bit depth would allow.
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Now you need to set up the output code. The default for libpng is to
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use the C function fwrite(). If you use this, you will need to pass a
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valid FILE * in the function png_init_io(). Be sure that the file is
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@ -4531,7 +4545,7 @@ need to write. The "png_image" structure contains the following members:
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png_uint_32 warning_or_error;
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char message[64];
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In the event of an error or warning the following field wrning_or_error
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In the event of an error or warning the following field warning_or_error
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field will be set to a non-zero value and the 'message' field will contain
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a '\0' terminated string with the libpng error or warning message. If both
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warnings and an error were encountered, only the error is recorded. If there
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@ -5560,13 +5574,22 @@ function) incorrectly returned a value of type png_uint_32.
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Checking for invalid palette index on read or write was added at libpng
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1.5.10. When an invalid index is found, libpng issues a benign error.
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This is enabled by default but can be disabled in each png_ptr with
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This is enabled by default because this condition is an error according
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to the PNG specification, Clause 11.3.2, but the error can be ignored in
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each png_ptr with
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png_set_check_for_invalid_index(png_ptr, allowed);
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allowed - one of
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0: disable
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1: enable
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0: disable benign error (accept the
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invalid data without warning).
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1: enable benign error (treat the
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invalid data as an error or a
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warning).
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If the error is ignored, or if png_benign_error() treats it as a warning,
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any invalid pixels are decoded as opaque black by the decoder and written
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as-is by the encoder.
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A. Changes that affect users of libpng
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@ -6062,7 +6085,7 @@ Other rules can be inferred by inspecting the libpng source.
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.SH XVI. Y2K Compliance in libpng
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November 1, 2012
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November 25, 2012
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Since the PNG Development group is an ad-hoc body, we can't make
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an official declaration.
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@ -6330,7 +6353,7 @@ possible without all of you.
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Thanks to Frank J. T. Wojcik for helping with the documentation.
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Libpng version 1.6.0beta32 - November 1, 2012:
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Libpng version 1.6.0beta32 - November 25, 2012:
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Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
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Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
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@ -6353,7 +6376,7 @@ this sentence.
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This code is released under the libpng license.
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libpng versions 1.2.6, August 15, 2004, through 1.6.0beta32, November 1, 2012, are
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libpng versions 1.2.6, August 15, 2004, through 1.6.0beta32, November 25, 2012, are
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Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
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distributed according to the same disclaimer and license as libpng-1.2.5
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with the following individual added to the list of Contributing Authors
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@ -6452,7 +6475,7 @@ certification mark of the Open Source Initiative.
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Glenn Randers-Pehrson
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glennrp at users.sourceforge.net
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November 1, 2012
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November 25, 2012
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.\" end of man page
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@ -1,4 +1,4 @@
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.TH LIBPNGPF 3 "November 1, 2012"
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.TH LIBPNGPF 3 "November 25, 2012"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.6.0beta32
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(private functions)
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2
png.5
2
png.5
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.TH PNG 5 "November 1, 2012"
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.TH PNG 5 "November 25, 2012"
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.SH NAME
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png \- Portable Network Graphics (PNG) format
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.SH DESCRIPTION
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4
png.c
4
png.c
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#else
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# ifdef __STDC__
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return PNG_STRING_NEWLINE \
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"libpng version 1.6.0beta32 - November 22, 2012" PNG_STRING_NEWLINE \
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"libpng version 1.6.0beta32 - November 25, 2012" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2012 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
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"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
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PNG_STRING_NEWLINE;
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# else
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return "libpng version 1.6.0beta32 - November 22, 2012\
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return "libpng version 1.6.0beta32 - November 25, 2012\
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Copyright (c) 1998-2012 Glenn Randers-Pehrson\
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Copyright (c) 1996-1997 Andreas Dilger\
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Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
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10
png.h
10
png.h
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/* png.h - header file for PNG reference library
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*
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* libpng version 1.6.0beta32 - November 1, 2012
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* libpng version 1.6.0beta32 - November 25, 2012
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* Copyright (c) 1998-2012 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@ -11,7 +11,7 @@
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* Authors and maintainers:
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* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
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* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
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* libpng versions 0.97, January 1998, through 1.6.0beta32 - November 1, 2012: Glenn
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* libpng versions 0.97, January 1998, through 1.6.0beta32 - November 25, 2012: Glenn
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* See also "Contributing Authors", below.
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*
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* Note about libpng version numbers:
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@ -198,7 +198,7 @@
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*
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* This code is released under the libpng license.
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*
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* libpng versions 1.2.6, August 15, 2004, through 1.6.0beta32, November 1, 2012, are
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* libpng versions 1.2.6, August 15, 2004, through 1.6.0beta32, November 25, 2012, are
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* Copyright (c) 2004, 2006-2012 Glenn Randers-Pehrson, and are
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* distributed according to the same disclaimer and license as libpng-1.2.5
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* with the following individual added to the list of Contributing Authors:
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@ -310,7 +310,7 @@
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* Y2K compliance in libpng:
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* =========================
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*
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* November 1, 2012
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* November 25, 2012
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*
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* Since the PNG Development group is an ad-hoc body, we can't make
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* an official declaration.
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@ -378,7 +378,7 @@
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/* Version information for png.h - this should match the version in png.c */
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#define PNG_LIBPNG_VER_STRING "1.6.0beta32"
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#define PNG_HEADER_VERSION_STRING \
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" libpng version 1.6.0beta32 - November 1, 2012\n"
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" libpng version 1.6.0beta32 - November 25, 2012\n"
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#define PNG_LIBPNG_VER_SONUM 16
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#define PNG_LIBPNG_VER_DLLNUM 16
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/* pngconf.h - machine configurable file for libpng
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*
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* libpng version 1.6.0beta32 - November 1, 2012
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* libpng version 1.6.0beta32 - November 25, 2012
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*
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* Copyright (c) 1998-2012 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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9
pngset.c
9
pngset.c
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#endif /* PNG_BENIGN_ERRORS_SUPPORTED */
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#ifdef PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED
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/* Do not report invalid palette index; added at libng-1.5.10 */
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/* Whether to report invalid palette index; added at libng-1.5.10.
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* It is possible for an indexed (color-type==3) PNG file to contain
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* pixels with invalid (out-of-range) indexes if the PLTE chunk has
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* fewer entries than the image's bit-depth would allow. We recover
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* from this gracefully by filling any incomplete palette with zeroes
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* (opaque black). By default, when this occurs libpng will issue
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* a benign error. This API can be used to override that behavior.
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*/
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void PNGAPI
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png_set_check_for_invalid_index(png_structrp png_ptr, int allowed)
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{
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@ -1,7 +1,7 @@
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VisualStudio instructions
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libpng version 1.6.0beta32 - November 1, 2012
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libpng version 1.6.0beta32 - November 25, 2012
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Copyright (c) 1998-2010 Glenn Randers-Pehrson
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@ -2,7 +2,7 @@
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<!--
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* zlib.props - location of zlib source
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*
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* libpng version 1.6.0beta32 - November 1, 2012
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* libpng version 1.6.0beta32 - November 25, 2012
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*
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* Copyright (c) 1998-2011 Glenn Randers-Pehrson
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*
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@ -1,5 +1,5 @@
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Makefiles for libpng version 1.6.0beta32 - November 1, 2012
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Makefiles for libpng version 1.6.0beta32 - November 25, 2012
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pnglibconf.h.prebuilt => Stores configuration settings
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makefile.linux => Linux/ELF makefile
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/* pnglibconf.h - library build configuration */
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/* Libpng 1.6.0beta32 - November 1, 2012 */
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/* Libpng 1.6.0beta32 - November 25, 2012 */
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/* Copyright (c) 1998-2012 Glenn Randers-Pehrson */
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Block a user