[libpng15] Added palette-index checking.

This commit is contained in:
Glenn Randers-Pehrson 2012-03-04 22:16:54 -06:00
parent caae038b69
commit 454e05a63a
15 changed files with 242 additions and 43 deletions

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@ -1,5 +1,5 @@
Libpng 1.5.10beta03 - February 27, 2012
Libpng 1.5.10beta03 - March 5, 2012
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -45,9 +45,10 @@ Version 1.5.10beta01 [February 24, 2012]
Version 1.5.10beta02 [February 27, 2012]
Updated Makefile.in
Version 1.5.10beta03 [February 27, 2012]
Version 1.5.10beta03 [March 5, 2012]
Removed unused "current_text" members of png_struct and the png_free()
of png_ptr->current_text from pngread.c
Added palette-index checking.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
(subscription required; visit

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@ -3830,9 +3830,10 @@ Version 1.5.10beta01 [February 24, 2012]
Version 1.5.10beta02 [February 27, 2012]
Updated Makefile.in
Version 1.5.10beta03 [February 27, 2012]
Version 1.5.10beta03 [March 5, 2012]
Removed unused "current_text" members of png_struct and the png_free()
of png_ptr->current_text from pngread.c
Added palette-index checking.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

View File

@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.5.10beta03 - February 27, 2012
libpng version 1.5.10beta03 - March 5, 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 1.5.10beta03 - February 27, 2012
libpng versions 0.97, January 1998, through 1.5.10beta03 - March 5, 2012
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2011 Glenn Randers-Pehrson
@ -4142,6 +4142,15 @@ X. Changes to Libpng from version 1.4.x to 1.5.x
From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the
function) incorrectly returned a value of type png_uint_32.
Checking for invalid palette index on read or write was added at libpng
1.5.10. This is enabled by default but can be disabled in each png_ptr with
png_set_check_for_invalid_index(png_ptr, allowed);
allowed - one of
0: disable
1: enable
A. Changes that affect users of libpng
There are no substantial API changes between the non-deprecated parts of
@ -4587,7 +4596,7 @@ Other rules can be inferred by inspecting the libpng source.
XIV. Y2K Compliance in libpng
February 27, 2012
March 5, 2012
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.

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@ -1,4 +1,4 @@
.TH LIBPNG 3 "February 27, 2012"
.TH LIBPNG 3 "March 5, 2012"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.10beta03
.SH SYNOPSIS
@ -552,6 +552,10 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.5.10beta03
\fI\fB
\fBvoid png_set_check_for_invalid_index(png_structrp \fP\fIpng_ptr\fP\fB, int \fIallowed\fP\fB);\fP
\fI\fB
\fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
\fI\fB
@ -977,7 +981,7 @@ 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 1.5.10beta03 - February 27, 2012
libpng version 1.5.10beta03 - March 5, 2012
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2011 Glenn Randers-Pehrson
@ -988,7 +992,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.5.10beta03 - February 27, 2012
libpng versions 0.97, January 1998, through 1.5.10beta03 - March 5, 2012
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2011 Glenn Randers-Pehrson
@ -5120,6 +5124,15 @@ We removed the trailing '.' from the warning and error messages.
From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the
function) incorrectly returned a value of type png_uint_32.
Checking for invalid palette index on read or write was added at libpng
1.5.10. This is enabled by default but can be disabled in each png_ptr with
png_set_check_for_invalid_index(png_ptr, allowed);
allowed - one of
0: disable
1: enable
A. Changes that affect users of libpng
There are no substantial API changes between the non-deprecated parts of
@ -5565,7 +5578,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XIV. Y2K Compliance in libpng
February 27, 2012
March 5, 2012
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
@ -5839,7 +5852,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.5.10beta03 - February 27, 2012:
Libpng version 1.5.10beta03 - March 5, 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).
@ -5862,7 +5875,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.5.10beta03, February 27, 2012, are
libpng versions 1.2.6, August 15, 2004, through 1.5.10beta03, March 5, 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
@ -5961,7 +5974,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
February 27, 2012
March 5, 2012
.\" end of man page

28
png.c
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@ -1,8 +1,8 @@
/* png.c - location for general purpose libpng functions
*
* Last changed in libpng 1.5.7 [December 15, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* Last changed in libpng 1.5.10 [(PENDING RELEASE)]
* 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.)
*
@ -655,13 +655,13 @@ png_get_copyright(png_const_structp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.5.10beta03 - February 27, 2012" PNG_STRING_NEWLINE \
"libpng version 1.5.10beta03 - March 5, 2012" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2011 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 1.5.10beta03 - February 27, 2012\
return "libpng version 1.5.10beta03 - March 5, 2012\
Copyright (c) 1998-2011 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@ -1467,7 +1467,7 @@ static double
png_pow10(int power)
{
int recip = 0;
double d = 1;
double d = 1.0;
/* Handle negative exponent with a reciprocal at the end because
* 10 is exact whereas .1 is inexact in base 2
@ -1481,7 +1481,7 @@ png_pow10(int power)
if (power > 0)
{
/* Decompose power bitwise. */
double mult = 10;
double mult = 10.0;
do
{
if (power & 1) d *= mult;
@ -1600,7 +1600,8 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
{
double d;
fp *= 10;
fp *= 10.0;
/* Use modf here, not floor and subtract, so that
* the separation is done in one step. At the end
* of the loop don't break the number into parts so
@ -1613,7 +1614,7 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
{
d = floor(fp + .5);
if (d > 9)
if (d > 9.0)
{
/* Rounding up to 10, handle that here. */
if (czero > 0)
@ -1621,9 +1622,10 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
--czero, d = 1;
if (cdigits == 0) --clead;
}
else
{
while (cdigits > 0 && d > 9)
while (cdigits > 0 && d > 9.0)
{
int ch = *--ascii;
@ -1648,7 +1650,7 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
* exponent but take into account the leading
* decimal point.
*/
if (d > 9) /* cdigits == 0 */
if (d > 9.0) /* cdigits == 0 */
{
if (exp_b10 == (-1))
{
@ -1669,18 +1671,19 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
++exp_b10;
/* In all cases we output a '1' */
d = 1;
d = 1.0;
}
}
}
fp = 0; /* Guarantees termination below. */
}
if (d == 0)
if (d == 0.0)
{
++czero;
if (cdigits == 0) ++clead;
}
else
{
/* Included embedded zeros in the digit count. */
@ -1708,6 +1711,7 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
above */
--exp_b10;
}
*ascii++ = (char)(48 + (int)d), ++cdigits;
}
}

18
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.5.10beta03 - February 27, 2012
* libpng version 1.5.10beta03 - March 5, 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 1.5.10beta03 - February 27, 2012: Glenn
* libpng versions 0.97, January 1998, through 1.5.10beta03 - March 5, 2012: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -204,7 +204,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.5.10beta03, February 27, 2012, are
* libpng versions 1.2.6, August 15, 2004, through 1.5.10beta03, March 5, 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:
@ -316,7 +316,7 @@
* Y2K compliance in libpng:
* =========================
*
* February 27, 2012
* March 5, 2012
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@ -382,7 +382,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.5.10beta03"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.5.10beta03 - February 27, 2012\n"
" libpng version 1.5.10beta03 - March 5, 2012\n"
#define PNG_LIBPNG_VER_SONUM 15
#define PNG_LIBPNG_VER_DLLNUM 15
@ -2638,6 +2638,12 @@ PNG_EXPORT(207, void, png_save_uint_16, (png_bytep buf, unsigned int i));
: (png_int_32)png_get_uint_32(buf)))
#endif
#if defined(PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED) || \
defined(PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED)
PNG_EXPORT(234, void, png_set_check_for_invalid_index, (png_structp png_ptr,
int allowed));
#endif
/* Maintainer: Put new public prototypes here ^, in libpng.3, and project
* defs
*/
@ -2647,7 +2653,7 @@ PNG_EXPORT(207, void, png_save_uint_16, (png_bytep buf, unsigned int i));
* scripts/symbols.def as well.
*/
#ifdef PNG_EXPORT_LAST_ORDINAL
PNG_EXPORT_LAST_ORDINAL(233);
PNG_EXPORT_LAST_ORDINAL(234);
#endif
#ifdef __cplusplus

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@ -2,11 +2,11 @@
/* pngpriv.h - private declarations for use inside libpng
*
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* 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.)
*
* Last changed in libpng 1.5.7 [December 15, 2011]
* Last changed in libpng 1.5.10 [(PENDING RELEASE)]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
@ -1395,6 +1395,13 @@ PNG_EXTERN void png_check_IHDR PNGARG((png_structp png_ptr,
int color_type, int interlace_type, int compression_type,
int filter_type));
/* Added at libpng version 1.5.10 */
#if defined(PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED) || \
defined(PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED)
PNG_EXTERN void png_do_check_palette_indexes PNGARG((png_structp png_ptr,
png_row_infop row_info));
#endif
/* Free all memory used by the read (old method - NOT DLL EXPORTED) */
PNG_EXTERN void png_read_destroy PNGARG((png_structp png_ptr,
png_infop info_ptr, png_infop end_info_ptr));

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@ -801,6 +801,13 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
/* Report invalid palette index; added at libng-1.5.10 */
if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE &&
png_ptr->num_palette_max > png_ptr->num_palette)
png_warning(png_ptr, "Read palette index exceeding num_palette");
#endif
do
{
png_uint_32 length = png_read_chunk_header(png_ptr);

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@ -1,8 +1,8 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* Last changed in libpng 1.5.7 [December 15, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* Last changed in libpng 1.5.10 [(PENDING RELEASE)]
* 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.)
*
@ -2296,6 +2296,12 @@ png_do_read_transformations(png_structp png_ptr, png_row_infop row_info)
png_do_unpack(row_info, png_ptr->row_buf + 1);
#endif
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
/* Added at libpng-1.5.10 */
if (row_info->color_type == PNG_COLOR_TYPE_PALETTE)
png_do_check_palette_indexes(png_ptr, row_info);
#endif
#ifdef PNG_READ_BGR_SUPPORTED
if (png_ptr->transformations & PNG_BGR)
png_do_bgr(row_info, png_ptr->row_buf + 1);

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@ -1,8 +1,8 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.5.7 [December 15, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* Last changed in libpng 1.5.10 [(PENDING RELEASE)]
* 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.)
*
@ -1281,4 +1281,20 @@ png_set_benign_errors(png_structp png_ptr, int allowed)
png_ptr->flags &= ~PNG_FLAG_BENIGN_ERRORS_WARN;
}
#endif /* PNG_BENIGN_ERRORS_SUPPORTED */
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
/* Do not report invalid palette index; added at libng-1.5.10 */
void PNGAPI
png_set_check_for_invalid_index(png_structp png_ptr, int allowed)
{
png_debug(1, "in png_set_check_for_invalid_index");
if (allowed)
png_ptr->num_palette_max = 0;
else
png_ptr->num_palette_max = -1;
}
#endif
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */

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@ -1,8 +1,8 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.5.4 [July 7, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* Last changed in libpng 1.5.10 [(PENDING RELEASE)]
* 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.)
*
@ -619,6 +619,109 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
}
#endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */
#if defined(PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED) || \
defined(PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED)
/* Added at libpng-1.5.10 */
void /* PRIVATE */
png_do_check_palette_indexes(png_structp png_ptr, png_row_infop row_info)
{
if (png_ptr->num_palette < (1 << row_info->bit_depth) &&
png_ptr->num_palette_max >= 0)
{
/* Calculations moved outside switch in an attempt to stop different
* compiler warnings. 'padding' is in *bits* within the last byte, it is
* an 'int' because pixel_depth becomes an 'int' in the expression below,
* and this calculation is used because it avoids warnings that other
* forms produced on either GCC or MSVC.
*/
int padding = (-row_info->pixel_depth * row_info->width) & 7;
png_bytep rp = png_ptr->row_buf + 1 + row_info->rowbytes;
switch (row_info->bit_depth)
{
case 1:
{
/* in this case, all bytes must be 0 so we don't need
* to unpack the pixels except for the rightmost one.
*/
for (; rp > png_ptr->row_buf; rp--)
{
if (*rp >> padding != 0)
png_ptr->num_palette_max = 1;
padding = 0;
}
break;
}
case 2:
{
for (; rp > png_ptr->row_buf; rp--)
{
int i = ((*rp >> padding) & 0x03);
if (i > png_ptr->num_palette_max)
png_ptr->num_palette_max = i;
i = (((*rp >> padding) >> 2) & 0x03);
if (i > png_ptr->num_palette_max)
png_ptr->num_palette_max = i;
i = (((*rp >> padding) >> 4) & 0x03);
if (i > png_ptr->num_palette_max)
png_ptr->num_palette_max = i;
i = (((*rp >> padding) >> 6) & 0x03);
if (i > png_ptr->num_palette_max)
png_ptr->num_palette_max = i;
padding = 0;
}
break;
}
case 4:
{
for (; rp > png_ptr->row_buf; rp--)
{
int i = ((*rp >> padding) & 0x0f);
if (i > png_ptr->num_palette_max)
png_ptr->num_palette_max = i;
i = (((*rp >> padding) >> 4) & 0x0f);
if (i > png_ptr->num_palette_max)
png_ptr->num_palette_max = i;
padding = 0;
}
break;
}
case 8:
{
for (; rp > png_ptr->row_buf; rp--)
{
if (*rp >= png_ptr->num_palette_max)
png_ptr->num_palette_max = (int) *rp;
}
break;
}
default:
break;
}
}
}
#endif /* PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED */
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED

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@ -1,8 +1,8 @@
/* pngwrite.c - general routines to write a PNG file
*
* Last changed in libpng 1.5.7 [December 15, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* Last changed in libpng 1.5.10 [(PENDING RELEASE)]
* 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.)
*
@ -305,6 +305,11 @@ png_write_end(png_structp png_ptr, png_infop info_ptr)
if (!(png_ptr->mode & PNG_HAVE_IDAT))
png_error(png_ptr, "No IDATs written into file");
#ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED
if (png_ptr->num_palette_max > png_ptr->num_palette)
png_warning(png_ptr, "Wrote palette index exceeding num_palette");
#endif
/* See if user wants us to write information chunks */
if (info_ptr != NULL)
{
@ -798,6 +803,13 @@ png_write_row(png_structp png_ptr, png_const_bytep row)
}
#endif
/* Added at libpng-1.5.10 */
#ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED
/* Check for out-of-range palette index */
if(row_info.color_type == PNG_COLOR_TYPE_PALETTE)
png_do_check_palette_indexes(png_ptr, &row_info);
#endif
/* Find a filter if necessary, filter the row and write it out. */
png_write_find_filter(png_ptr, &row_info);

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@ -578,3 +578,13 @@ option WRITE_COMPRESSED_TEXT enables WRITE_TEXT
# leave the row_pointers member out of the info structure.
option INFO_IMAGE
# added at libpng-1.5.10
# Turn this off to disable warning about invalid palette index and
# leave the num_palette_max member out of the png structure.
option CHECK_FOR_INVALID_INDEX enables READ_CHECK_FOR_INVALID_INDEX
option CHECK_FOR_INVALID_INDEX enables WRITE_CHECK_FOR_INVALID_INDEX
option READ_CHECK_FOR_INVALID_INDEX requires READ CHECK_FOR_INVALID_INDEX
option WRITE_CHECK_FOR_INVALID_INDEX requires WRITE CHECK_FOR_INVALID_INDEX

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@ -3,9 +3,9 @@
/* pnglibconf.h - library build configuration */
/* Libpng 1.5.10beta03 - February 27, 2012 */
/* Libpng 1.5.10beta03 - March 5, 2012 */
/* Copyright (c) 1998-2011 Glenn Randers-Pehrson */
/* Copyright (c) 1998-2012 Glenn Randers-Pehrson */
/* This code is released under the libpng license. */
/* For conditions of distribution and use, see the disclaimer */
@ -41,6 +41,7 @@
#define PNG_bKGD_SUPPORTED
#define PNG_BUILD_GRAYSCALE_PALETTE_SUPPORTED
#define PNG_CHECK_cHRM_SUPPORTED
#define PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED
#define PNG_cHRM_SUPPORTED
#define PNG_CONSOLE_IO_SUPPORTED
#define PNG_CONVERT_tIME_SUPPORTED
@ -70,6 +71,7 @@
#define PNG_READ_BACKGROUND_SUPPORTED
#define PNG_READ_BGR_SUPPORTED
#define PNG_READ_bKGD_SUPPORTED
#define PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
#define PNG_READ_cHRM_SUPPORTED
#define PNG_READ_COMPOSITE_NODIV_SUPPORTED
#define PNG_READ_COMPRESSED_TEXT_SUPPORTED
@ -141,6 +143,7 @@
#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_WRITE_BGR_SUPPORTED
#define PNG_WRITE_bKGD_SUPPORTED
#define PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED
#define PNG_WRITE_cHRM_SUPPORTED
#define PNG_WRITE_COMPRESSED_TEXT_SUPPORTED
#define PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED

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@ -239,3 +239,4 @@ EXPORTS
png_get_cHRM_XYZ_fixed @231
png_set_cHRM_XYZ @232
png_set_cHRM_XYZ_fixed @233
png_set_check_for_invalid_index @234