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Imported from libpng-1.2.6rc1.tar

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Glenn Randers-Pehrson 2004-08-04 06:34:52 -05:00
parent 5fea36fb00
commit 272489dc69
73 changed files with 2230 additions and 2263 deletions
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19
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.2.6beta4 - July 28, 2004
Libpng 1.2.6rc1 - August 4, 2004
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.
@ -76,9 +76,24 @@ Changes since the last public release (1.2.5):
Revised "clobber list" in pnggccrd.c so it will compile under gcc-3.4.
Revised Borland portion of png_malloc() to return NULL or issue
png_error() according to setting of PNG_FLAG_MALLOC_NULL_MEM_OK.
Added PNG_NO_SEQUENTIAL_READ_SUPPORTED macro to conditionally remove
sequential read support.
Added some "#if PNG_WRITE_SUPPORTED" blocks.
#ifdef'ed out some redundancy in png_malloc_default().
Use png_malloc instead of png_zalloc to allocate the pallete.
Rearranged order of processing of color types in png_handle_tRNS().
Added PNG_ROWBYTES macro to calculate rowbytes without integer overflow.
Updated makefile.darwin and removed makefile.macosx from scripts directory.
Imposed default one million column, one-million row limits on the image
dimensions, and added png_set_user_limits() function and
PNG_SET_USER_LIMITS_SUPPORTED macro to override them..
Fixed wrong cast of returns from png_get_user_width|height_max().
Fixed buffer overflow vulnerability in png_handle_tRNS()
Fixed integer arithmetic overflow vulnerability in png_read_png().
Fixed some harmless bugs in png_handle_sBIT, etc, that would cause
duplicate chunk types to go undetected.
Send comments/corrections/commendations to
png-implement@ccrc.wustl.edu or to glennrp@users.sourceforge.net
Glenn R-P

25
CHANGES
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@ -1241,7 +1241,7 @@ version 1.2.6beta3 [July 18, 2004]
Updated contrib/visupng/VisualPng.dsp (Cosmin).
Updated contrib/visupng/cexcept.h to version 2.0.0 (Cosmin).
Added a separate distribution with "configure" and supporting files (Junichi).
version 1.2.6beta4 [July 28, 2004]
version 1.2.6beta4 [August 4, 2004]
Added user ability to change png_size_t via a PNG_SIZE_T macro.
Added png_sizeof() and png_convert_size() functions.
Added PNG_SIZE_MAX (maximum value of a png_size_t variable.
@ -1256,6 +1256,7 @@ version 1.2.6beta4 [July 28, 2004]
overflow.
Turn on PNG_NO_ZALLOC_ZERO by default in version 1.2.x
Revised "clobber list" in pnggccrd.c so it will compile under gcc-3.4.
version 1.2.6beta4 [July 28, 2004]
Revised Borland portion of png_malloc() to return NULL or issue
png_error() according to setting of PNG_FLAG_MALLOC_NULL_MEM_OK.
Added PNG_NO_SEQUENTIAL_READ_SUPPORTED macro to conditionally remove
@ -1263,7 +1264,27 @@ version 1.2.6beta4 [July 28, 2004]
Added some "#if PNG_WRITE_SUPPORTED" blocks.
#ifdef'ed out some redundancy in png_malloc_default().
Use png_malloc instead of png_zalloc to allocate the pallete.
version 1.2.6beta4d [July 28, 2004]
Fixed buffer overflow vulnerability in png_handle_tRNS()
Fixed integer arithmetic overflow vulnerability in png_read_png().
Fixed some harmless bugs in png_handle_sBIT, etc, that would cause
duplicate chunk types to go undetected.
Fixed some timestamps in the -config version
version 1.2.6beta4e [July 28, 2004]
Fixed some timestamps in the -config version
version 1.2.6beta4f [July 28, 2004]
Rearranged order of processing of color types in png_handle_tRNS().
version 1.2.6beta4g [July 31, 2004]
Added ROWBYTES macro to calculate rowbytes without integer overflow.
Updated makefile.darwin and removed makefile.macosx from scripts directory.
version 1.2.6beta4h [August 1, 2004]
Imposed default one million column, one-million row limits on the image
dimensions, and added png_set_user_limits() function to override them.
Revised use of PNG_SET_USER_LIMITS_SUPPORTED macro.
version 1.2.6beta4j [August 1, 2004]
Fixed wrong cast of returns from png_get_user_width|height_max().
version 1.2.6rc6 [August 4, 2004]
Changed some "keep the compiler happy" from empty statements to returns,
Send comments/corrections/commendations to
png-implement@ccrc.wustl.edu or to glennrp@users.sourceforge.net

17
INSTALL
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@ -1,5 +1,5 @@
Installing libpng version 1.2.6beta4 - July 28, 2004
Installing libpng version 1.2.6rc1 - August 4, 2004
Before installing libpng, you must first install zlib. zlib
can usually be found wherever you got libpng. zlib can be
@ -10,7 +10,7 @@ zlib.h and zconf.h include files that correspond to the
version of zlib that's installed.
You can rename the directories that you downloaded (they
might be called "libpng-1.2.6beta4" or "lpng109" and "zlib-1.1.3"
might be called "libpng-1.2.6rc1" or "lpng109" and "zlib-1.1.3"
or "zlib113") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this:
@ -64,8 +64,8 @@ The files that are presently available in the scripts directory
include
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.linux => Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.6beta4)
makefile.gcmmx => Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.6beta4,
makefile.linux => Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.6rc1)
makefile.gcmmx => Linux/ELF makefile (gcc, creates libpng12.so.0.1.2.6rc1,
uses assembler code tuned for Intel MMX platform)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
@ -73,7 +73,7 @@ include
ftp://ftp.cs.wisc.edu/ghost)
makefile.aix => AIX/gcc makefile
makefile.cygwin => Cygwin/gcc makefile
makefile.darwin => Darwin makefile
makefile.darwin => Darwin makefile, can use on MacosX
makefile.dec => DEC Alpha UNIX makefile
makefile.hpgcc => FreeBSD makefile
makefile.hpgcc => HPUX makefile using gcc
@ -81,15 +81,14 @@ include
makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
makefile.intel => Intel C/C++ version 4.0 and later
libpng.icc => Project file for IBM VisualAge/C++ version 4.0 or later
makefile.macosx => MACOS X Makefile
makefile.netbsd => NetBSD/cc makefile, uses PNGGCCRD, makes libpng.so.
makefile.ne0bsd => NetBSD/cc makefile, uses PNGGCCRD, makes libpng0.so
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc, creates libpng12.so.0.1.2.6beta4)
makefile.sggcc => Silicon Graphics (gcc, creates libpng12.so.0.1.2.6rc1)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc, creates libpng12.so.0.1.2.6beta4)
makefile.so9 => Solaris 9 makefile (gcc, creates libpng12.so.0.1.2.6beta4)
makefile.solaris => Solaris 2.X makefile (gcc, creates libpng12.so.0.1.2.6rc1)
makefile.so9 => Solaris 9 makefile (gcc, creates libpng12.so.0.1.2.6rc1)
makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc

2
KNOWNBUG
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@ -1,5 +1,5 @@
Known bugs in libpng version 1.2.6beta4
Known bugs in libpng version 1.2.6rc1
1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
reading interlaced PNG files, when assembler code is enabled but running

4
LICENSE
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@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng version 1.2.6, July 28, 2004, is
libpng version 1.2.6, August 4, 2004, is
Copyright (c) 2004 Glenn Randers-Pehrson, and is
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individuals added to the list of Contributing Authors
@ -107,4 +107,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp@users.sourceforge.net
July 28, 2004
August 4, 2004

2
README
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@ -1,4 +1,4 @@
README for libpng version 1.2.6beta4 - July 28, 2004 (shared library 12.0)
README for libpng version 1.2.6rc1 - August 4, 2004 (shared library 12.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.

4
Y2KINFO
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@ -1,13 +1,13 @@
Y2K compliance in libpng:
=========================
July 28, 2004
August 4, 2004
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 1.2.6beta4 are Y2K compliant. It is my belief that earlier
upward through 1.2.6rc1 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

4
configure vendored
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@ -1,13 +1,13 @@
#!/bin/sh
echo "
There is no \"configure\" script in this distribution of
libpng-1.2.6beta4.
libpng-1.2.6rc1.
Instead, please copy the appropriate makefile for your system from the
\"scripts\" directory. Read the INSTALL file for more details.
Update, July 2004: you can get a "configure" based distribution
from the libpng distribution sites. Download the file
libpng-1.2.6beta4-config.tar.gz
libpng-1.2.6rc1-config.tar.gz
"

292
libpng.3
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@ -1,6 +1,6 @@
.TH LIBPNG 3 "July 28, 2004"
.TH LIBPNG 3 "August 4, 2004"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.6beta4
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.6rc1
.SH SYNOPSIS
\fI\fB
@ -266,10 +266,18 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.6beta4
\fI\fB
\fBpng_uint_32 png_get_user_height_max( png_structp \fIpng_ptr\fP\fB);\fP
\fI\fB
\fBpng_voidp png_get_user_transform_ptr (png_structp \fIpng_ptr\fP\fB);\fP
\fI\fB
\fBpng_uint_32 png_get_user_width_max (png_structp \fIpng_ptr\fP\fB);\fP
\fI\fB
\fBpng_uint_32 png_get_valid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIflag\fP\fB);\fP
\fI\fB
@ -650,6 +658,10 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.2.6beta4
\fI\fB
\fBvoid png_set_user_limits (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIuser_width_max\fP\fB, png_uint_32 \fIuser_height_max\fP\fB);\fP
\fI\fB
\fBvoid png_set_user_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_transform_ptr\fP\fB, int \fP\fIuser_transform_depth\fP\fB, int \fIuser_transform_channels\fP\fB);\fP
\fI\fB
@ -761,7 +773,7 @@ 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 1.2.6beta4 - July 28, 2004
libpng version 1.2.6rc1 - August 4, 2004
Updated and distributed by Glenn Randers-Pehrson
<glennrp@users.sourceforge.net>
Copyright (c) 1998-2004 Glenn Randers-Pehrson
@ -1061,6 +1073,28 @@ To inform libpng about your function, use
png_set_read_status_fn(png_ptr, read_row_callback);
%-%.SS Width and height limits
%-%
%-%The PNG specification allows the width and height of an image to be as
%-%large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
%-%Since very few applications really need to process such large images,
%-%we have imposed an arbitrary 1-million limit on rows and columns.
%-%Larger images will be rejected immediately with a png_error() call. If
%-%you wish to override this limit, you can use
%-%
%-% png_set_user_limits(png_ptr, width_max, height_max);
%-%
%-%to set your own limits, or use width_max = height_max = 0x7fffffffL
%-%to allow all valid dimensions (libpng may reject some very large images
%-%anyway because of potential buffer overflow conditions).
%-%
%-%You should put this statement after you create the PNG structure and
%-%before calling png_read_info(), png_read_png(), or png_process_data().
%-%If you need to retrieve the limits that are being applied, use
%-%
%-% width_max = png_get_user_width_max(png_ptr);
%-% height_max = png_get_user_height_max(png_ptr);
%-%
.SS Unknown-chunk handling
Now you get to set the way the library processes unknown chunks in the
@ -1069,7 +1103,7 @@ behavior is that known chunks will be parsed into information in
various info_ptr members; unknown chunks will be discarded. To change
this, you can call:
png_set_keep_unknown_chunks(png_ptr, info_ptr, keep,
png_set_keep_unknown_chunks(png_ptr, keep,
chunk_list, num_chunks);
keep - 0: do not keep
1: keep only if safe-to-copy
@ -3420,125 +3454,125 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
having level = 0 will be printed. There aren't any such statements in
this version of libpng, but if you insert some they will be printed.
.SH VI. Runtime optimization
A new feature in libpng 1.2.0 is the ability to dynamically switch between
standard and optimized versions of some routines. Currently these are
limited to three computationally intensive tasks when reading PNG files:
decoding row filters, expanding interlacing, and combining interlaced or
transparent row data with previous row data. Currently the optimized
versions are available only for x86 (Intel, AMD, etc.) platforms with
MMX support, though this may change in future versions. (For example,
the non-MMX assembler optimizations for zlib might become similarly
runtime-selectable in future releases, in which case libpng could be
extended to support them. Alternatively, the compile-time choice of
floating-point versus integer routines for gamma correction might become
runtime-selectable.)
Because such optimizations tend to be very platform- and compiler-dependent,
both in how they are written and in how they perform, the new runtime code
in libpng has been written to allow programs to query, enable, and disable
either specific optimizations or all such optimizations. For example, to
enable all possible optimizations (bearing in mind that some "optimizations"
may actually run more slowly in rare cases):
#if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
png_uint_32 mask, flags;
flags = png_get_asm_flags(png_ptr);
mask = png_get_asm_flagmask(PNG_SELECT_READ | PNG_SELECT_WRITE);
png_set_asm_flags(png_ptr, flags | mask);
#endif
To enable only optimizations relevant to reading PNGs, use PNG_SELECT_READ
by itself when calling png_get_asm_flagmask(); similarly for optimizing
only writing. To disable all optimizations:
#if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
flags = png_get_asm_flags(png_ptr);
mask = png_get_asm_flagmask(PNG_SELECT_READ | PNG_SELECT_WRITE);
png_set_asm_flags(png_ptr, flags & ~mask);
#endif
To enable or disable only MMX-related features, use png_get_mmx_flagmask()
in place of png_get_asm_flagmask(). The mmx version takes one additional
parameter:
#if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
int selection = PNG_SELECT_READ | PNG_SELECT_WRITE;
int compilerID;
mask = png_get_mmx_flagmask(selection, &compilerID);
#endif
On return, compilerID will indicate which version of the MMX assembler
optimizations was compiled. Currently two flavors exist: Microsoft
Visual C++ (compilerID == 1) and GNU C (a.k.a. gcc/gas, compilerID == 2).
On non-x86 platforms or on systems compiled without MMX optimizations, a
value of -1 is used.
Note that both png_get_asm_flagmask() and png_get_mmx_flagmask() return
all valid, settable optimization bits for the version of the library that's
currently in use. In the case of shared (dynamically linked) libraries,
this may include optimizations that did not exist at the time the code was
written and compiled. It is also possible, of course, to enable only known,
specific optimizations; for example:
#if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
flags = PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \
| PNG_ASM_FLAG_MMX_READ_INTERLACE \
| PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
| PNG_ASM_FLAG_MMX_READ_FILTER_UP \
| PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
| PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ;
png_set_asm_flags(png_ptr, flags);
#endif
This method would enable only the MMX read-optimizations available at the
time of libpng 1.2.0's release, regardless of whether a later version of
the DLL were actually being used. (Also note that these functions did not
exist in versions older than 1.2.0, so any attempt to run a dynamically
linked app on such an older version would fail.)
To determine whether the processor supports MMX instructions at all, use
the png_mmx_support() function:
#if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
mmxsupport = png_mmx_support();
#endif
It returns -1 if MMX support is not compiled into libpng, 0 if MMX code
is compiled but MMX is not supported by the processor, or 1 if MMX support
is fully available. Note that png_mmx_support(), png_get_mmx_flagmask(),
and png_get_asm_flagmask() all may be called without allocating and ini-
tializing any PNG structures (for example, as part of a usage screen or
"about" box).
The following code can be used to prevent an application from using the
thread_unsafe features, even if libpng was built with PNG_THREAD_UNSAFE_OK
defined:
#if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) \
&& defined(PNG_THREAD_UNSAFE_OK)
/* Disable thread-unsafe features of pnggccrd */
if (png_access_version() >= 10200)
{
png_uint_32 mmx_disable_mask = 0;
png_uint_32 asm_flags;
mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \
| PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
| PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
| PNG_ASM_FLAG_MMX_READ_FILTER_PAETH );
asm_flags = png_get_asm_flags(png_ptr);
png_set_asm_flags(png_ptr, asm_flags & ~mmx_disable_mask);
}
#endif
For more extensive examples of runtime querying, enabling and disabling
of optimized features, see contrib/gregbook/readpng2.c in the libpng
source-code distribution.
%-%.SH VI. Runtime optimization
%-%
%-%A new feature in libpng 1.2.0 is the ability to dynamically switch between
%-%standard and optimized versions of some routines. Currently these are
%-%limited to three computationally intensive tasks when reading PNG files:
%-%decoding row filters, expanding interlacing, and combining interlaced or
%-%transparent row data with previous row data. Currently the optimized
%-%versions are available only for x86 (Intel, AMD, etc.) platforms with
%-%MMX support, though this may change in future versions. (For example,
%-%the non-MMX assembler optimizations for zlib might become similarly
%-%runtime-selectable in future releases, in which case libpng could be
%-%extended to support them. Alternatively, the compile-time choice of
%-%floating-point versus integer routines for gamma correction might become
%-%runtime-selectable.)
%-%
%-%Because such optimizations tend to be very platform- and compiler-dependent,
%-%both in how they are written and in how they perform, the new runtime code
%-%in libpng has been written to allow programs to query, enable, and disable
%-%either specific optimizations or all such optimizations. For example, to
%-%enable all possible optimizations (bearing in mind that some "optimizations"
%-%may actually run more slowly in rare cases):
%-%
%-% #if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
%-% png_uint_32 mask, flags;
%-%
%-% flags = png_get_asm_flags(png_ptr);
%-% mask = png_get_asm_flagmask(PNG_SELECT_READ | PNG_SELECT_WRITE);
%-% png_set_asm_flags(png_ptr, flags | mask);
%-% #endif
%-%
%-%To enable only optimizations relevant to reading PNGs, use PNG_SELECT_READ
%-%by itself when calling png_get_asm_flagmask(); similarly for optimizing
%-%only writing. To disable all optimizations:
%-%
%-% #if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
%-% flags = png_get_asm_flags(png_ptr);
%-% mask = png_get_asm_flagmask(PNG_SELECT_READ | PNG_SELECT_WRITE);
%-% png_set_asm_flags(png_ptr, flags & ~mask);
%-% #endif
%-%
%-%To enable or disable only MMX-related features, use png_get_mmx_flagmask()
%-%in place of png_get_asm_flagmask(). The mmx version takes one additional
%-%parameter:
%-%
%-% #if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
%-% int selection = PNG_SELECT_READ | PNG_SELECT_WRITE;
%-% int compilerID;
%-%
%-% mask = png_get_mmx_flagmask(selection, &compilerID);
%-% #endif
%-%
%-%On return, compilerID will indicate which version of the MMX assembler
%-%optimizations was compiled. Currently two flavors exist: Microsoft
%-%Visual C++ (compilerID == 1) and GNU C (a.k.a. gcc/gas, compilerID == 2).
%-%On non-x86 platforms or on systems compiled without MMX optimizations, a
%-%value of -1 is used.
%-%
%-%Note that both png_get_asm_flagmask() and png_get_mmx_flagmask() return
%-%all valid, settable optimization bits for the version of the library that's
%-%currently in use. In the case of shared (dynamically linked) libraries,
%-%this may include optimizations that did not exist at the time the code was
%-%written and compiled. It is also possible, of course, to enable only known,
%-%specific optimizations; for example:
%-%
%-% #if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
%-% flags = PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \
%-% | PNG_ASM_FLAG_MMX_READ_INTERLACE \
%-% | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
%-% | PNG_ASM_FLAG_MMX_READ_FILTER_UP \
%-% | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
%-% | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ;
%-% png_set_asm_flags(png_ptr, flags);
%-% #endif
%-%
%-%This method would enable only the MMX read-optimizations available at the
%-%time of libpng 1.2.0's release, regardless of whether a later version of
%-%the DLL were actually being used. (Also note that these functions did not
%-%exist in versions older than 1.2.0, so any attempt to run a dynamically
%-%linked app on such an older version would fail.)
%-%
%-%To determine whether the processor supports MMX instructions at all, use
%-%the png_mmx_support() function:
%-%
%-% #if defined(PNG_LIBPNG_VER) && (PNG_LIBPNG_VER >= 10200)
%-% mmxsupport = png_mmx_support();
%-% #endif
%-%
%-%It returns -1 if MMX support is not compiled into libpng, 0 if MMX code
%-%is compiled but MMX is not supported by the processor, or 1 if MMX support
%-%is fully available. Note that png_mmx_support(), png_get_mmx_flagmask(),
%-%and png_get_asm_flagmask() all may be called without allocating and ini-
%-%tializing any PNG structures (for example, as part of a usage screen or
%-%"about" box).
%-%
%-%The following code can be used to prevent an application from using the
%-%thread_unsafe features, even if libpng was built with PNG_THREAD_UNSAFE_OK
%-%defined:
%-%
%-%#if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) \
%-% && defined(PNG_THREAD_UNSAFE_OK)
%-% /* Disable thread-unsafe features of pnggccrd */
%-% if (png_access_version() >= 10200)
%-% {
%-% png_uint_32 mmx_disable_mask = 0;
%-% png_uint_32 asm_flags;
%-%
%-% mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \
%-% | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
%-% | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
%-% | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH );
%-% asm_flags = png_get_asm_flags(png_ptr);
%-% png_set_asm_flags(png_ptr, asm_flags & ~mmx_disable_mask);
%-% }
%-%#endif
%-%
%-%For more extensive examples of runtime querying, enabling and disabling
%-%of optimized features, see contrib/gregbook/readpng2.c in the libpng
%-%source-code distribution.
%-%
.SH VI. MNG support
The MNG specification (available at http://www.libpng.org/pub/mng) allows
@ -3615,13 +3649,13 @@ application:
.SH VII. Y2K Compliance in libpng
July 28, 2004
August 4, 2004
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 1.2.6beta4 are Y2K compliant. It is my belief that earlier
upward through 1.2.6rc1 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
@ -3761,6 +3795,8 @@ the first widely used release:
1.0.15 10 10015 10.so.0.1.0.15
1.2.5 13 10205 12.so.0.1.2.5
1.2.6beta1-4 13 10206 12.so.0.1.2.6beta1-4
1.0.16rc1-4 10 10016 10.so.0.1.0.16rc1-4
1.2.6rc1-4 13 10206 12.so.0.1.2.6rc1-4
Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be
@ -3818,7 +3854,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.2.6beta4 - July 28, 2004:
Libpng version 1.2.6rc1 - August 4, 2004:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp@users.sourceforge.net).
@ -3835,7 +3871,7 @@ included in the libpng distribution, the latter shall prevail.)
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng version 1.2.6, July 28, 2004, is
libpng version 1.2.6, August 4, 2004, is
Copyright (c) 2004 Glenn Randers-Pehrson, and is
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individuals added to the list of Contributing Authors
@ -3935,7 +3971,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp@users.sourceforge.net
July 28, 2004
August 4, 2004
.\" end of man page

30
libpng.txt
View File

@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
libpng version 1.2.6beta4 - July 28, 2004
libpng version 1.2.6rc1 - August 4, 2004
Updated and distributed by Glenn Randers-Pehrson
<glennrp@users.sourceforge.net>
Copyright (c) 1998-2004 Glenn Randers-Pehrson
@ -300,6 +300,28 @@ To inform libpng about your function, use
png_set_read_status_fn(png_ptr, read_row_callback);
Width and height limits
The PNG specification allows the width and height of an image to be as
large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
Since very few applications really need to process such large images,
we have imposed an arbitrary 1-million limit on rows and columns.
Larger images will be rejected immediately with a png_error() call. If
you wish to override this limit, you can use
png_set_user_limits(png_ptr, width_max, height_max);
to set your own limits, or use width_max = height_max = 0x7fffffffL
to allow all valid dimensions (libpng may reject some very large images
anyway because of potential buffer overflow conditions).
You should put this statement after you create the PNG structure and
before calling png_read_info(), png_read_png(), or png_process_data().
If you need to retrieve the limits that are being applied, use
width_max = png_get_user_width_max(png_ptr);
height_max = png_get_user_height_max(png_ptr);
Unknown-chunk handling
Now you get to set the way the library processes unknown chunks in the
@ -308,7 +330,7 @@ behavior is that known chunks will be parsed into information in
various info_ptr members; unknown chunks will be discarded. To change
this, you can call:
png_set_keep_unknown_chunks(png_ptr, info_ptr, keep,
png_set_keep_unknown_chunks(png_ptr, keep,
chunk_list, num_chunks);
keep - 0: do not keep
1: keep only if safe-to-copy
@ -2854,13 +2876,13 @@ application:
VII. Y2K Compliance in libpng
July 28, 2004
August 4, 2004
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 1.2.6beta4 are Y2K compliant. It is my belief that earlier
upward through 1.2.6rc1 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

4
libpngpf.3
View File

@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "July 28, 2004"
.TH LIBPNGPF 3 "August 4, 2004"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.6beta4
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.6rc1
(private functions)
.SH SYNOPSIS
\fB\fB#include <png.h>\fP\fP

2
png.5
View File

@ -1,4 +1,4 @@
.TH PNG 5 "July 28, 2004"
.TH PNG 5 "August 4, 2004"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

6
png.c
View File

@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -13,7 +13,7 @@
#include "png.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_2_6beta4 Your_png_h_is_not_version_1_2_6beta4;
typedef version_1_2_6rc1 Your_png_h_is_not_version_1_2_6rc1;
/* Version information for C files. This had better match the version
* string defined in png.h. */
@ -678,7 +678,7 @@ png_charp PNGAPI
png_get_copyright(png_structp png_ptr)
{
if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */
return ((png_charp) "\n libpng version 1.2.6beta4 - July 28, 2004\n\
return ((png_charp) "\n libpng version 1.2.6rc1 - August 4, 2004\n\
Copyright (c) 1998-2004 Glenn Randers-Pehrson\n\
Copyright (c) 1996-1997 Andreas Dilger\n\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");

47
png.h
View File

@ -1,6 +1,6 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* Copyright (c) 1998-2004 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.)
@ -8,7 +8,7 @@
* 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 1.2.6beta4 - July 28, 2004: Glenn
* libpng versions 0.97, January 1998, through 1.2.6rc1 - August 4, 2004: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -99,6 +99,8 @@
* 1.0.15 10 10015 10.so.0.1.0.15
* 1.2.5 13 10205 12.so.0.1.2.5
* 1.2.6beta1-4 13 10206 12.so.0.1.2.6beta1-4
* 1.0.16rc1-4 10 10016 10.so.0.1.0.16rc1-4
* 1.2.6rc1-4 13 10206 12.so.0.1.2.6rc1-4
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@ -128,7 +130,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
* libpng version 1.2.6, July 28, 2004, is
* libpng version 1.2.6, August 4, 2004, is
* Copyright (c) 2004 Glenn Randers-Pehrson, and is
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individuals added to the list of Contributing Authors
@ -241,13 +243,13 @@
* Y2K compliance in libpng:
* =========================
*
* July 28, 2004
* August 4, 2004
*
* 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 1.2.6beta4 are Y2K compliant. It is my belief that earlier
* upward through 1.2.6rc1 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
@ -303,9 +305,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.6beta4"
#define PNG_LIBPNG_VER_STRING "1.2.6rc1"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.2.6beta4 - July 28, 2004 (header)\n"
" libpng version 1.2.6rc1 - August 4, 2004 (header)\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM %DLLNUM%
@ -317,7 +319,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 4
#define PNG_LIBPNG_VER_BUILD 1
#define PNG_LIBPNG_BUILD_ALPHA 1
#define PNG_LIBPNG_BUILD_BETA 2
@ -325,7 +327,7 @@
#define PNG_LIBPNG_BUILD_STABLE 4
#define PNG_LIBPNG_BUILD_TYPEMASK 7
#define PNG_LIBPNG_BUILD_PATCH 8 /* Can be OR'ed with STABLE only */
#define PNG_LIBPNG_BUILD_TYPE 2
#define PNG_LIBPNG_BUILD_TYPE 3
/* Careful here. At one time, Guy wanted to use 082, but that would be octal.
* We must not include leading zeros.
@ -1294,16 +1296,22 @@ struct png_struct_def
png_bytep palette_to_index; /* which original index points to this */
/* palette color */
#endif
/* New member added in libpng-1.0.16 and 1.2.6 */
/* New members added in libpng-1.0.16 and 1.2.6 */
png_byte compression_type;
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
png_uint_32 user_width_max;
png_uint_32 user_height_max;
#endif
};
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
typedef png_structp version_1_2_6beta4;
typedef png_structp version_1_2_6rc1;
typedef png_struct FAR * FAR * png_structpp;
@ -2453,8 +2461,19 @@ extern PNG_EXPORT(int,png_mmx_support) PNGARG((void));
extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp
png_ptr, png_uint_32 strip_mode));
#endif
#endif /* PNG_1_0_X */
/* Added at libpng-1.2.6 */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
extern PNG_EXPORT(void,png_set_user_limits) PNGARG((png_structp
png_ptr, png_uint_32 user_width_max, png_uint_32 user_height_max));
extern PNG_EXPORT(png_uint_32,png_get_user_width_max) PNGARG((png_structp
png_ptr));
extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp
png_ptr));
#endif
/* Maintainer: Put new public prototypes here ^, in libpng.3, and project defs */
#ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
@ -2598,6 +2617,12 @@ extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp
PNG_FLAG_CRC_CRITICAL_MASK)
/* save typing and make code easier to understand */
#define PNG_ROWBYTES(pixel_bits, width) \
((pixel_bits) >= 8 ? \
((width) * (((png_uint_32)(pixel_bits)) >> 3)) : \
(( ((width) * ((png_uint_32)(pixel_bits))) + 7) >> 3) )
#define PNG_COLOR_DIST(c1, c2) (abs((int)((c1).red) - (int)((c2).red)) + \
abs((int)((c1).green) - (int)((c2).green)) + \
abs((int)((c1).blue) - (int)((c2).blue)))

2
pngasmrd.h
View File

@ -1,6 +1,6 @@
/* pngasmrd.h - assembler version of utilities to read a PNG file
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 2002-2004 Glenn Randers-Pehrson
*

27
pngconf.h
View File

@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -669,6 +669,25 @@
#endif
#endif /* PNG_1_0_X */
/* Added at libpng-1.2.6 */
#if !defined(PNG_1_0_X)
#ifndef PNG_SET_USER_LIMITS_SUPPORTED
#if !defined(PNG_NO_SET_USER_LIMITS) && !defined(PNG_SET_USER_LIMITS_SUPPORTED)
# define PNG_SET_USER_LIMITS_SUPPORTED
#endif
#endif
#endif /* PNG_1_0_X */
/* Added at libpng-1.0.16 and 1.2.6. To accept all valid PNGS no matter
* how large, set these limits to 0x7fffffffL
*/
#ifndef PNG_USER_WIDTH_MAX
# define PNG_USER_WIDTH_MAX 1000000L
#endif
#ifndef PNG_USER_HEIGHT_MAX
# define PNG_USER_HEIGHT_MAX 1000000L
#endif
/* These are currently experimental features, define them if you want */
/* very little testing */
@ -683,10 +702,8 @@
/* This is only for PowerPC big-endian and 680x0 systems */
/* some testing */
/*
#ifdef PNG_READ_SUPPORTED
# ifndef PNG_PNG_READ_BIG_ENDIAN_SUPPORTED
# define PNG_READ_BIG_ENDIAN_SUPPORTED
# endif
#ifndef PNG_READ_BIG_ENDIAN_SUPPORTED
# define PNG_READ_BIG_ENDIAN_SUPPORTED
#endif
*/

18
pngerror.c
View File

@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -35,9 +35,9 @@ png_error(png_structp png_ptr, png_const_charp error_message)
char msg[16];
if (png_ptr->flags&(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
{
int offset = 0;
if (*error_message == '#')
{
int offset;
for (offset=1; offset<15; offset++)
if (*(error_message+offset) == ' ')
break;
@ -190,9 +190,6 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
else
#endif
fprintf(stderr, "libpng error: %s\n", error_message);
#else
if (error_message)
/* make compiler happy */ ;
#endif
#ifdef PNG_SETJMP_SUPPORTED
@ -206,10 +203,15 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
longjmp(png_ptr->jmpbuf, 1);
# endif
#else
/* make compiler happy */ ;
if (png_ptr)
/* make compiler happy */ ;
PNG_ABORT();
#endif
#ifdef PNG_NO_CONSOLE_IO
/* make compiler happy */ ;
if (&error_message != NULL)
return;
#endif
}
/* This function is called when there is a warning, but the library thinks
@ -245,9 +247,11 @@ png_default_warning(png_structp png_ptr, png_const_charp warning_message)
# endif
fprintf(stderr, "libpng warning: %s\n", warning_message);
#else
/* make compiler happy */ ;
if (warning_message)
/* appease compiler */ ;
return;
#endif
/* make compiler happy */ ;
if (png_ptr)
return;
}

8
pnggccrd.c
View File

@ -6,7 +6,7 @@
* and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
* for Intel's performance analysis of the MMX vs. non-MMX code.
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation
@ -428,7 +428,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
{
png_debug(2,"mask == 0xff: doing single png_memcpy()\n");
png_memcpy(row, png_ptr->row_buf + 1,
(png_size_t)((png_ptr->width * png_ptr->row_info.pixel_depth + 7) >> 3));
(png_size_t)PNG_ROWBYTES(png_ptr->row_info.pixel_depth,png_ptr->width));
}
else /* (png_combine_row() is never called with mask == 0) */
{
@ -2733,8 +2733,8 @@ png_do_read_interlace(png_structp png_ptr)
} /* end switch (row_info->pixel_depth) */
row_info->width = final_width;
row_info->rowbytes = ((final_width *
(png_uint_32)row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,final_width);
}
} /* end png_do_read_interlace() */

43
pngget.c
View File

@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -540,9 +540,6 @@ png_get_IHDR(png_structp png_ptr, png_infop info_ptr,
if (png_ptr != NULL && info_ptr != NULL && width != NULL && height != NULL &&
bit_depth != NULL && color_type != NULL)
{
int pixel_depth, channels;
png_uint_32 rowbytes_per_pixel;
png_debug1(1, "in %s retrieval function\n", "IHDR");
*width = info_ptr->width;
*height = info_ptr->height;
@ -560,23 +557,18 @@ png_get_IHDR(png_structp png_ptr, png_infop info_ptr,
*interlace_type = info_ptr->interlace_type;
/* check for potential overflow of rowbytes */
if (*color_type == PNG_COLOR_TYPE_PALETTE)
channels = 1;
else if (*color_type & PNG_COLOR_MASK_COLOR)
channels = 3;
else
channels = 1;
if (*color_type & PNG_COLOR_MASK_ALPHA)
channels++;
pixel_depth = *bit_depth * channels;
rowbytes_per_pixel = (pixel_depth + 7) >> 3;
if (width == 0 || *width > PNG_UINT_31_MAX)
png_error(png_ptr, "Invalid image width");
if (height == 0 || *height > PNG_UINT_31_MAX)
png_error(png_ptr, "Invalid image height");
if (*width > PNG_UINT_32_MAX/rowbytes_per_pixel - 64)
if (info_ptr->width > (PNG_UINT_32_MAX
>> 3) /* 8-byte RGBA pixels */
- 64 /* bigrowbuf hack */
- 1 /* filter byte */
- 7*8 /* rounding of width to multiple of 8 pixels */
- 8) /* extra max_pixel_depth pad */
{
png_error(png_ptr,
png_warning(png_ptr,
"Width too large for libpng to process image data.");
}
return (1);
@ -923,5 +915,20 @@ png_get_mmx_rowbytes_threshold (png_structp png_ptr)
{
return (png_uint_32)(png_ptr? png_ptr->mmx_rowbytes_threshold : 0L);
}
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_1_0_X */
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
/* these functions were added to libpng 1.2.6 */
png_uint_32 PNGAPI
png_get_user_width_max (png_structp png_ptr)
{
return (png_ptr? png_ptr->user_width_max : 0);
}
png_uint_32 PNGAPI
png_get_user_height_max (png_structp png_ptr)
{
return (png_ptr? png_ptr->user_height_max : 0);
}
#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
#endif /* ?PNG_1_0_X */

7
pngmem.c
View File

@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -423,10 +423,10 @@ png_malloc(png_structp png_ptr, png_uint_32 size)
{
png_voidp ret;
#ifdef PNG_USER_MEM_SUPPORTED
if (png_ptr == NULL || size == 0)
return (NULL);
#ifdef PNG_USER_MEM_SUPPORTED
if(png_ptr->malloc_fn != NULL)
ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size));
else
@ -442,6 +442,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
png_voidp ret;
#endif /* PNG_USER_MEM_SUPPORTED */
if (png_ptr == NULL || size == 0)
return (NULL);
#ifdef PNG_MAX_MALLOC_64K
if (size > (png_uint_32)65536L)
{

10
pngpread.c
View File

@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -782,8 +782,8 @@ png_push_process_row(png_structp png_ptr)
png_ptr->row_info.bit_depth = png_ptr->bit_depth;
png_ptr->row_info.pixel_depth = png_ptr->pixel_depth;
png_ptr->row_info.rowbytes = ((png_ptr->row_info.width *
(png_uint_32)png_ptr->row_info.pixel_depth + 7) >> 3);
png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
png_ptr->row_info.width);
png_read_filter_row(png_ptr, &(png_ptr->row_info),
png_ptr->row_buf + 1, png_ptr->prev_row + 1,
@ -1008,8 +1008,8 @@ png_read_push_finish_row(png_structp png_ptr)
png_pass_start[png_ptr->pass]) /
png_pass_inc[png_ptr->pass];
png_ptr->irowbytes = ((png_ptr->iwidth *
png_ptr->pixel_depth + 7) >> 3) + 1;
png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,
png_ptr->iwidth);
if (png_ptr->transformations & PNG_INTERLACE)
break;

60
pngread.c
View File

@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -59,6 +59,12 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
#endif
#endif /* PNG_1_0_X */
/* added at libpng-1.2.6 */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
#endif
#ifdef PNG_SETJMP_SUPPORTED
#ifdef USE_FAR_KEYWORD
if (setjmp(jmpbuf))
@ -266,6 +272,12 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof (jmp_buf));
#endif
/* added at libpng-1.2.6 */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
#endif
/* initialize zbuf - compression buffer */
png_ptr->zbuf_size = PNG_ZBUF_SIZE;
png_ptr->zbuf = (png_bytep)png_malloc(png_ptr,
@ -712,8 +724,8 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
png_ptr->row_info.channels = png_ptr->channels;
png_ptr->row_info.bit_depth = png_ptr->bit_depth;
png_ptr->row_info.pixel_depth = png_ptr->pixel_depth;
png_ptr->row_info.rowbytes = ((png_ptr->row_info.width *
(png_uint_32)png_ptr->row_info.pixel_depth + 7) >> 3);
png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
png_ptr->row_info.width);
if(png_ptr->row_buf[0])
png_read_filter_row(png_ptr, &(png_ptr->row_info),
@ -791,7 +803,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
* not called png_set_interlace_handling(), the display_row buffer will
* be ignored, so pass NULL to it.
*
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.6beta4
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.6rc1
*/
void PNGAPI
@ -841,7 +853,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
* only call this function once. If you desire to have an image for
* each pass of a interlaced image, use png_read_rows() instead.
*
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.6beta4
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.6rc1
*/
void PNGAPI
png_read_image(png_structp png_ptr, png_bytepp image)
@ -1071,8 +1083,8 @@ png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr,
png_structp png_ptr = NULL;
png_infop info_ptr = NULL, end_info_ptr = NULL;
#ifdef PNG_USER_MEM_SUPPORTED
png_free_ptr free_fn = NULL;
png_voidp mem_ptr = NULL;
png_free_ptr free_fn;
png_voidp mem_ptr;
#endif
png_debug(1, "in png_destroy_read_struct\n");
@ -1295,34 +1307,38 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
int row;
#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
/* invert the alpha channel from opacity to transparency */
/* invert the alpha channel from opacity to transparency
*/
if (transforms & PNG_TRANSFORM_INVERT_ALPHA)
png_set_invert_alpha(png_ptr);
#endif
/* The call to png_read_info() gives us all of the information from the
/* png_read_info() gives us all of the information from the
* PNG file before the first IDAT (image data chunk).
*/
png_read_info(png_ptr, info_ptr);
if (info_ptr->height > PNG_UINT_32_MAX/png_sizeof(png_bytep))
png_error(png_ptr,"Image is too high to process with png_read_png()");
/* -------------- image transformations start here ------------------- */
#if defined(PNG_READ_16_TO_8_SUPPORTED)
/* tell libpng to strip 16 bit/color files down to 8 bits/color */
/* tell libpng to strip 16 bit/color files down to 8 bits per color
*/
if (transforms & PNG_TRANSFORM_STRIP_16)
png_set_strip_16(png_ptr);
#endif
#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
/* Strip alpha bytes from the input data without combining with the
* background (not recommended).
/* Strip alpha bytes from the input data without combining with
* the background (not recommended).
*/
if (transforms & PNG_TRANSFORM_STRIP_ALPHA)
png_set_strip_alpha(png_ptr);
#endif
#if defined(PNG_READ_PACK_SUPPORTED) && !defined(PNG_READ_EXPAND_SUPPORTED)
/* Extract multiple pixels with bit depths of 1, 2, and 4 from a single
/* Extract multiple pixels with bit depths of 1, 2, or 4 from a single
* byte into separate bytes (useful for paletted and grayscale images).
*/
if (transforms & PNG_TRANSFORM_PACKING)
@ -1331,7 +1347,8 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
#if defined(PNG_READ_PACKSWAP_SUPPORTED)
/* Change the order of packed pixels to least significant bit first
* (not useful if you are using png_set_packing). */
* (not useful if you are using png_set_packing).
*/
if (transforms & PNG_TRANSFORM_PACKSWAP)
png_set_packswap(png_ptr);
#endif
@ -1349,10 +1366,12 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
png_set_expand(png_ptr);
#endif
/* We don't handle background color or gamma transformation or dithering. */
/* We don't handle background color or gamma transformation or dithering.
*/
#if defined(PNG_READ_INVERT_SUPPORTED)
/* invert monochrome files to have 0 as white and 1 as black */
/* invert monochrome files to have 0 as white and 1 as black
*/
if (transforms & PNG_TRANSFORM_INVERT_MONO)
png_set_invert_mono(png_ptr);
#endif
@ -1373,19 +1392,22 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
#endif
#if defined(PNG_READ_BGR_SUPPORTED)
/* flip the RGB pixels to BGR (or RGBA to BGRA) */
/* flip the RGB pixels to BGR (or RGBA to BGRA)
*/
if (transforms & PNG_TRANSFORM_BGR)
png_set_bgr(png_ptr);
#endif
#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED)
/* swap the RGBA or GA data to ARGB or AG (or BGRA to ABGR) */
/* swap the RGBA or GA data to ARGB or AG (or BGRA to ABGR)
*/
if (transforms & PNG_TRANSFORM_SWAP_ALPHA)
png_set_swap_alpha(png_ptr);
#endif
#if defined(PNG_READ_SWAP_SUPPORTED)
/* swap bytes of 16 bit files to least significant byte first */
/* swap bytes of 16 bit files to least significant byte first
*/
if (transforms & PNG_TRANSFORM_SWAP_ENDIAN)
png_set_swap(png_ptr);
#endif

2
pngrio.c
View File

@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

31
pngrtran.c
View File

@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -1151,7 +1151,8 @@ defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
info_ptr->pixel_depth = (png_byte)(info_ptr->channels *
info_ptr->bit_depth);
info_ptr->rowbytes = ((info_ptr->width * info_ptr->pixel_depth + 7) >> 3);
info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth,info_ptr->width);
#if !defined(PNG_READ_EXPAND_SUPPORTED)
if(png_ptr)
@ -1382,8 +1383,8 @@ From Andreas Dilger e-mail to png-implement, 26 March 1998:
#endif
png_ptr->row_info.pixel_depth = (png_byte)(png_ptr->row_info.bit_depth *
png_ptr->row_info.channels);
png_ptr->row_info.rowbytes = (png_ptr->row_info.width *
png_ptr->row_info.pixel_depth+7)>>3;
png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
png_ptr->row_info.width);
}
#endif
@ -2089,8 +2090,7 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row)
row_info->color_type |= PNG_COLOR_MASK_COLOR;
row_info->pixel_depth = (png_byte)(row_info->channels *
row_info->bit_depth);
row_info->rowbytes = ((row_width *
row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width);
}
}
#endif
@ -2343,8 +2343,7 @@ png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row)
row_info->color_type &= ~PNG_COLOR_MASK_COLOR;
row_info->pixel_depth = (png_byte)(row_info->channels *
row_info->bit_depth);
row_info->rowbytes = ((row_width *
row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width);
}
return rgb_error;
}
@ -3262,8 +3261,7 @@ png_do_background(png_row_infop row_info, png_bytep row,
row_info->channels--;
row_info->pixel_depth = (png_byte)(row_info->channels *
row_info->bit_depth);
row_info->rowbytes = ((row_width *
row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width);
}
}
}
@ -3737,8 +3735,8 @@ png_do_expand(png_row_infop row_info, png_bytep row,
row_info->color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
row_info->channels = 2;
row_info->pixel_depth = (png_byte)(row_info->bit_depth << 1);
row_info->rowbytes =
((row_width * row_info->pixel_depth) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,
row_width);
}
}
else if (row_info->color_type == PNG_COLOR_TYPE_RGB && trans_value)
@ -3792,8 +3790,7 @@ png_do_expand(png_row_infop row_info, png_bytep row,
row_info->color_type = PNG_COLOR_TYPE_RGB_ALPHA;
row_info->channels = 4;
row_info->pixel_depth = (png_byte)(row_info->bit_depth << 2);
row_info->rowbytes =
((row_width * row_info->pixel_depth) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width);
}
}
}
@ -3846,8 +3843,7 @@ png_do_dither(png_row_infop row_info, png_bytep row,
row_info->color_type = PNG_COLOR_TYPE_PALETTE;
row_info->channels = 1;
row_info->pixel_depth = row_info->bit_depth;
row_info->rowbytes =
((row_width * row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width);
}
else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&
palette_lookup != NULL && row_info->bit_depth == 8)
@ -3876,8 +3872,7 @@ png_do_dither(png_row_infop row_info, png_bytep row,
row_info->color_type = PNG_COLOR_TYPE_PALETTE;
row_info->channels = 1;
row_info->pixel_depth = row_info->bit_depth;
row_info->rowbytes =
((row_width * row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width);
}
else if (row_info->color_type == PNG_COLOR_TYPE_PALETTE &&
dither_lookup && row_info->bit_depth == 8)

134
pngrutil.c
View File

@ -1,6 +1,6 @@
/* pngrutil.c - utilities to read a PNG file
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -394,8 +394,7 @@ png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
/* set up other useful info */
png_ptr->pixel_depth = (png_byte)(png_ptr->bit_depth *
png_ptr->channels);
png_ptr->rowbytes = ((png_ptr->width *
(png_uint_32)png_ptr->pixel_depth + 7) >> 3);
png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,png_ptr->width);
png_debug1(3,"bit_depth = %d\n", png_ptr->bit_depth);
png_debug1(3,"channels = %d\n", png_ptr->channels);
png_debug1(3,"rowbytes = %lu\n", png_ptr->rowbytes);
@ -550,8 +549,6 @@ png_handle_IEND(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
if (!(png_ptr->mode & PNG_HAVE_IHDR) || !(png_ptr->mode & PNG_HAVE_IDAT))
{
png_error(png_ptr, "No image in file");
info_ptr = info_ptr; /* quiet compiler warnings about unused info_ptr */
}
png_ptr->mode |= (PNG_AFTER_IDAT | PNG_HAVE_IEND);
@ -561,6 +558,9 @@ png_handle_IEND(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_warning(png_ptr, "Incorrect IEND chunk length");
}
png_crc_finish(png_ptr, length);
if (&info_ptr == NULL) /* quiet compiler warnings about unused info_ptr */
return;
}
#if defined(PNG_READ_gAMA_SUPPORTED)
@ -587,7 +587,7 @@ png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
/* Should be an error, but we can cope with it */
png_warning(png_ptr, "Out of place gAMA chunk");
else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)
#if defined(PNG_READ_sRGB_SUPPORTED)
&& !(info_ptr->valid & PNG_INFO_sRGB)
#endif
@ -668,7 +668,7 @@ png_handle_sBIT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
/* Should be an error, but we can cope with it */
png_warning(png_ptr, "Out of place sBIT chunk");
}
else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sBIT))
if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sBIT))
{
png_warning(png_ptr, "Duplicate sBIT chunk");
png_crc_finish(png_ptr, length);
@ -737,7 +737,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
/* Should be an error, but we can cope with it */
png_warning(png_ptr, "Missing PLTE before cHRM");
else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM)
if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM)
#if defined(PNG_READ_sRGB_SUPPORTED)
&& !(info_ptr->valid & PNG_INFO_sRGB)
#endif
@ -899,7 +899,7 @@ png_handle_sRGB(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
/* Should be an error, but we can cope with it */
png_warning(png_ptr, "Out of place sRGB chunk");
else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB))
if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB))
{
png_warning(png_ptr, "Duplicate sRGB chunk");
png_crc_finish(png_ptr, length);
@ -1002,7 +1002,7 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
/* Should be an error, but we can cope with it */
png_warning(png_ptr, "Out of place iCCP chunk");
else if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP))
if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_iCCP))
{
png_warning(png_ptr, "Duplicate iCCP chunk");
png_crc_finish(png_ptr, length);
@ -1160,8 +1160,9 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
return;
}
new_palette.nentries = data_length / entry_size;
if (new_palette.nentries > PNG_SIZE_MAX / png_sizeof(png_sPLT_entry))
new_palette.nentries = (png_uint_32) (data_length / entry_size);
if ((png_uint_32) new_palette.nentries > (png_uint_32) (PNG_SIZE_MAX /
png_sizeof(png_sPLT_entry)))
{
png_warning(png_ptr, "sPLT chunk too long");
return;
@ -1251,49 +1252,9 @@ png_handle_tRNS(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
return;
}
if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY)
{
if (!(png_ptr->mode & PNG_HAVE_PLTE))
{
/* Should be an error, but we can cope with it */
png_warning(png_ptr, "Missing PLTE before tRNS");
}
else if (length > (png_uint_32)png_ptr->num_palette)
{
png_warning(png_ptr, "Incorrect tRNS chunk length");
png_crc_finish(png_ptr, length);
return;
}
if (length == 0)
{
png_warning(png_ptr, "Zero length tRNS chunk");
png_crc_finish(png_ptr, length);
return;
}
png_crc_read(png_ptr, readbuf, (png_size_t)length);
png_ptr->num_trans = (png_uint_16)length;
}
else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
{
png_byte buf[6];
if (length != 6)
{
png_warning(png_ptr, "Incorrect tRNS chunk length");
png_crc_finish(png_ptr, length);
return;
}
png_crc_read(png_ptr, buf, (png_size_t)length);
png_ptr->num_trans = 1;
png_ptr->trans_values.red = png_get_uint_16(buf);
png_ptr->trans_values.green = png_get_uint_16(buf + 2);
png_ptr->trans_values.blue = png_get_uint_16(buf + 4);
}
else if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY)
{
png_byte buf[6];
png_byte buf[2];
if (length != 2)
{
@ -1306,6 +1267,45 @@ png_handle_tRNS(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_ptr->num_trans = 1;
png_ptr->trans_values.gray = png_get_uint_16(buf);
}
else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
{
png_byte buf[6];
if (length != 6)
{
png_warning(png_ptr, "Incorrect tRNS chunk length");
png_crc_finish(png_ptr, length);
return;
}
png_crc_read(png_ptr, buf, (png_size_t)length);
png_ptr->num_trans = 1;
png_ptr->trans_values.red = png_get_uint_16(buf);
png_ptr->trans_values.green = png_get_uint_16(buf + 2);
png_ptr->trans_values.blue = png_get_uint_16(buf + 4);
}
else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
{
if (!(png_ptr->mode & PNG_HAVE_PLTE))
{
/* Should be an error, but we can cope with it. */
png_warning(png_ptr, "Missing PLTE before tRNS");
}
if (length > (png_uint_32)png_ptr->num_palette ||
length > PNG_MAX_PALETTE_LENGTH)
{
png_warning(png_ptr, "Incorrect tRNS chunk length");
png_crc_finish(png_ptr, length);
return;
}
if (length == 0)
{
png_warning(png_ptr, "Zero length tRNS chunk");
png_crc_finish(png_ptr, length);
return;
}
png_crc_read(png_ptr, readbuf, (png_size_t)length);
png_ptr->num_trans = (png_uint_16)length;
}
else
{
png_warning(png_ptr, "tRNS chunk not allowed with alpha channel");
@ -1441,7 +1441,8 @@ png_handle_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
num = length / 2 ;
if (num != png_ptr->num_palette || num > PNG_MAX_PALETTE_LENGTH)
if (num != (unsigned int) png_ptr->num_palette || num >
(unsigned int) PNG_MAX_PALETTE_LENGTH)
{
png_warning(png_ptr, "Incorrect hIST chunk length");
png_crc_finish(png_ptr, length);
@ -2213,7 +2214,8 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_crc_finish(png_ptr, skip);
#if !defined(PNG_READ_USER_CHUNKS_SUPPORTED)
info_ptr = info_ptr; /* quiet compiler warnings about unused info_ptr */
if (&info_ptr == NULL) /* quiet compiler warnings about unused info_ptr */
return;
#endif
}
@ -2254,8 +2256,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
if (mask == 0xff)
{
png_memcpy(row, png_ptr->row_buf + 1,
(png_size_t)((png_ptr->width *
png_ptr->row_info.pixel_depth + 7) >> 3));
PNG_ROWBYTES(png_ptr->row_info.pixel_depth, png_ptr->width));
}
else
{
@ -2670,11 +2671,11 @@ png_do_read_interlace(png_structp png_ptr)
}
}
row_info->width = final_width;
row_info->rowbytes = ((final_width *
(png_uint_32)row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,final_width);
}
#if !defined(PNG_READ_PACKSWAP_SUPPORTED)
transformations = transformations; /* silence compiler warning */
if (&transformations == NULL) /* silence compiler warning */
return;
#endif
}
#endif /* !PNG_HAVE_ASSEMBLER_READ_INTERLACE */
@ -2842,8 +2843,9 @@ png_read_finish_row(png_structp png_ptr)
png_pass_inc[png_ptr->pass] - 1 -
png_pass_start[png_ptr->pass]) /
png_pass_inc[png_ptr->pass];
png_ptr->irowbytes = ((png_ptr->iwidth *
(png_uint_32)png_ptr->pixel_depth + 7) >> 3) +1;
png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,
png_ptr->iwidth) + 1;
if (!(png_ptr->transformations & PNG_INTERLACE))
{
@ -2969,8 +2971,8 @@ png_read_start_row(png_structp png_ptr)
png_pass_start[png_ptr->pass]) /
png_pass_inc[png_ptr->pass];
row_bytes = ((png_ptr->iwidth *
(png_uint_32)png_ptr->pixel_depth + 7) >> 3) +1;
row_bytes = PNG_ROWBYTES(png_ptr->pixel_depth,png_ptr->iwidth) + 1;
png_ptr->irowbytes = (png_size_t)row_bytes;
if((png_uint_32)png_ptr->irowbytes != row_bytes)
png_error(png_ptr, "Rowbytes overflow in png_read_start_row");
@ -3088,7 +3090,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
row_bytes = ((png_ptr->width + 7) & ~((png_uint_32)7));
/* calculate the maximum bytes needed, adding a byte and a pixel
for safety's sake */
row_bytes = ((row_bytes * (png_uint_32)max_pixel_depth + 7) >> 3) +
row_bytes = PNG_ROWBYTES(max_pixel_depth,row_bytes) +
1 + ((max_pixel_depth + 7) >> 3);
#ifdef PNG_MAX_MALLOC_64K
if (row_bytes > (png_uint_32)65536L)

49
pngset.c
View File

@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -247,7 +247,6 @@ png_set_IHDR(png_structp png_ptr, png_infop info_ptr,
int color_type, int interlace_type, int compression_type,
int filter_type)
{
int rowbytes_per_pixel;
png_debug1(1, "in %s storage function\n", "IHDR");
if (png_ptr == NULL || info_ptr == NULL)
return;
@ -255,8 +254,22 @@ png_set_IHDR(png_structp png_ptr, png_infop info_ptr,
/* check for width and height valid values */
if (width == 0 || height == 0)
png_error(png_ptr, "Image width or height is zero in IHDR");
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
if (width > png_ptr->user_width_max || height > png_ptr->user_height_max)
png_error(png_ptr, "image size exceeds user limits in IHDR");
#else
if (width > PNG_USER_WIDTH_MAX || height > PNG_USER_HEIGHT_MAX)
png_error(png_ptr, "image size exceeds user limits in IHDR");
#endif
if (width > PNG_UINT_31_MAX || height > PNG_UINT_31_MAX)
png_error(png_ptr, "Invalid image size in IHDR");
if ( width > (PNG_UINT_32_MAX
>> 3) /* 8-byte RGBA pixels */
- 64 /* bigrowbuf hack */
- 1 /* filter byte */
- 7*8 /* rounding of width to multiple of 8 pixels */
- 8) /* extra max_pixel_depth pad */
png_warning(png_ptr, "Width is too large for libpng to process pixels");
/* check other values */
if (bit_depth != 1 && bit_depth != 2 && bit_depth != 4 &&
@ -324,16 +337,16 @@ png_set_IHDR(png_structp png_ptr, png_infop info_ptr,
info_ptr->channels++;
info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth);
/* check for overflow */
rowbytes_per_pixel = (info_ptr->pixel_depth + 7) >> 3;
if ( width > PNG_UINT_32_MAX/rowbytes_per_pixel - 64)
{
png_warning(png_ptr,
"Width too large to process image data; rowbytes will overflow.");
/* check for potential overflow */
if ( width > (PNG_UINT_32_MAX
>> 3) /* 8-byte RGBA pixels */
- 64 /* bigrowbuf hack */
- 1 /* filter byte */
- 7*8 /* rounding of width to multiple of 8 pixels */
- 8) /* extra max_pixel_depth pad */
info_ptr->rowbytes = (png_size_t)0;
}
else
info_ptr->rowbytes = (info_ptr->width * info_ptr->pixel_depth + 7) >> 3;
info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth,width);
}
#if defined(PNG_oFFs_SUPPORTED)
@ -1187,4 +1200,20 @@ png_set_mmx_thresholds (png_structp png_ptr,
png_ptr->mmx_rowbytes_threshold = mmx_rowbytes_threshold;
}
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
/* this function was added to libpng 1.2.6 */
void PNGAPI
png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max,
png_uint_32 user_height_max)
{
/* Images with dimensions larger than these limits will be
* rejected by png_set_IHDR(). To accept any PNG datastream
* regardless of dimensions, set both limits to 0x7ffffffL.
*/
png_ptr->user_width_max = user_width_max;
png_ptr->user_height_max = user_height_max;
}
#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
#endif /* ?PNG_1_0_X */

13
pngtest.c
View File

@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -519,6 +519,12 @@ png_debug_malloc(png_structp png_ptr, png_uint_32 size)
if (current_allocation > maximum_allocation)
maximum_allocation = current_allocation;
pinfo->pointer = (png_voidp)png_malloc_default(png_ptr, size);
if (size != 0 && pinfo->pointer == NULL)
{
current_allocation -= size;
total_allocation -= size;
png_error(png_ptr,"out of memory in pngtest->png_malloc_default.\n");
}
pinfo->next = pinformation;
pinformation = pinfo;
/* Make sure the caller isn't assuming zeroed memory. */
@ -1308,9 +1314,6 @@ main(int argc, char *argv[])
PNG_HEADER_VERSION_STRING);
fprintf(STDERR," png_sizeof(png_struct)=%ld, png_sizeof(png_info)=%ld\n",
(long)png_sizeof(png_struct), (long)png_sizeof(png_info));
fprintf(STDERR," PNG_UINT_31_MAX=%lu, PNG_UINT_32_MAX=%lu\n",
PNG_UINT_31_MAX, PNG_UINT_32_MAX);
fprintf(STDERR," PNG_SIZE_MAX=%u\n",PNG_SIZE_MAX);
/* Do some consistency checking on the memory allocation settings, I'm
not sure this matters, but it is nice to know, the first of these
@ -1541,4 +1544,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_2_6beta4 your_png_h_is_not_version_1_2_6beta4;
typedef version_1_2_6rc1 your_png_h_is_not_version_1_2_6rc1;

BIN
pngtest.png
View File

Binary file not shown.
Side by Side Swipe Overlay

Before

Width:  |  Height:  |  Size: 8.4 KiB

After

Width:  |  Height:  |  Size: 8.4 KiB

2
pngtrans.c
View File

@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

9
pngvcrd.c
View File

@ -2,7 +2,7 @@
*
* For Intel x86 CPU and Microsoft Visual C++ compiler
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation
@ -125,7 +125,8 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
if (mask == 0xff)
{
png_memcpy(row, png_ptr->row_buf + 1,
(png_size_t)((png_ptr->width * png_ptr->row_info.pixel_depth + 7) >> 3));
(png_size_t)PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
png_ptr->width));
}
/* GRR: add "else if (mask == 0)" case?
* or does png_combine_row() not even get called in that case? */
@ -1902,8 +1903,8 @@ loop4_pass4:
} /* end switch (row_info->pixel_depth) */
row_info->width = final_width;
row_info->rowbytes = ((final_width *
(png_uint_32)row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,final_width);
}
}

2
pngwio.c
View File

@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

18
pngwrite.c
View File

@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file
*
* libpng 1.2.6beta4 - July 28, 2004
* libpng 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -458,6 +458,12 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
#endif
#endif /* PNG_1_0_X */
/* added at libpng-1.2.6 */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
#endif
#ifdef PNG_SETJMP_SUPPORTED
#ifdef USE_FAR_KEYWORD
if (setjmp(jmpbuf))
@ -641,6 +647,12 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
/* reset all variables to 0 */
png_memset(png_ptr, 0, png_sizeof (png_struct));
/* added at libpng-1.2.6 */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
#endif
#if !defined(PNG_1_0_X)
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
png_init_mmx_flags(png_ptr); /* 1.2.0 addition */
@ -829,8 +841,8 @@ png_write_row(png_structp png_ptr, png_bytep row)
png_ptr->row_info.pixel_depth = (png_byte)(png_ptr->row_info.bit_depth *
png_ptr->row_info.channels);
png_ptr->row_info.rowbytes = ((png_ptr->row_info.width *
(png_uint_32)png_ptr->row_info.pixel_depth + 7) >> 3);
png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
png_ptr->row_info.width);
png_debug1(3, "row_info->color_type = %d\n", png_ptr->row_info.color_type);
png_debug1(3, "row_info->width = %lu\n", png_ptr->row_info.width);

6
pngwtran.c
View File

@ -1,7 +1,7 @@
/* pngwtran.c - transforms the data in a row for PNG writers
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -195,8 +195,8 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
}
row_info->bit_depth = (png_byte)bit_depth;
row_info->pixel_depth = (png_byte)(bit_depth * row_info->channels);
row_info->rowbytes =
((row_info->width * row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,
row_info->width);
}
}
#endif

21
pngwutil.c
View File

@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* libpng version 1.2.6beta4 - July 28, 2004
* libpng version 1.2.6rc1 - August 4, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -473,7 +473,7 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
png_ptr->height = height;
png_ptr->pixel_depth = (png_byte)(bit_depth * png_ptr->channels);
png_ptr->rowbytes = ((width * (png_size_t)png_ptr->pixel_depth + 7) >> 3);
png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, width);
/* set the usr info, so any transformations can modify it */
png_ptr->usr_width = png_ptr->width;
png_ptr->usr_bit_depth = png_ptr->bit_depth;
@ -617,7 +617,7 @@ png_write_IDAT(png_structp png_ptr, png_bytep data, png_size_t length)
png_ptr->height < 16384 && png_ptr->width < 16384)
{
png_uint_32 uncompressed_idat_size = png_ptr->height *
((png_ptr->width *
(PNG_ROWBYTES(png_ptr->channels*png_ptr->bit_depth,
png_ptr->channels * png_ptr->bit_depth + 15) >> 3);
unsigned int z_cinfo = z_cmf >> 4;
unsigned int half_z_window_size = 1 << (z_cinfo + 7);
@ -1691,8 +1691,8 @@ png_write_start_row(png_structp png_ptr)
png_size_t buf_size;
png_debug(1, "in png_write_start_row\n");
buf_size = (png_size_t)(((png_ptr->width * png_ptr->usr_channels *
png_ptr->usr_bit_depth + 7) >> 3) + 1);
buf_size = (png_size_t)(PNG_ROWBYTES(
png_ptr->usr_channels*png_ptr->usr_bit_depth,png_ptr->width)+1);
/* set up row buffer */
png_ptr->row_buf = (png_bytep)png_malloc(png_ptr, (png_uint_32)buf_size);
@ -1828,9 +1828,8 @@ png_write_finish_row(png_structp png_ptr)
{
if (png_ptr->prev_row != NULL)
png_memset(png_ptr->prev_row, 0,
(png_size_t) (((png_uint_32)png_ptr->usr_channels *
(png_uint_32)png_ptr->usr_bit_depth *
png_ptr->width + 7) >> 3) + 1);
(png_size_t)(PNG_ROWBYTES(png_ptr->usr_channels*
png_ptr->usr_bit_depth,png_ptr->width))+1);
return;
}
}
@ -2037,8 +2036,8 @@ png_do_write_interlace(png_row_infop row_info, png_bytep row, int pass)
png_pass_inc[pass] - 1 -
png_pass_start[pass]) /
png_pass_inc[pass];
row_info->rowbytes = ((row_info->width *
row_info->pixel_depth + 7) >> 3);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,
row_info->width);
}
}
#endif
@ -2064,7 +2063,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info)
png_debug(1, "in png_write_find_filter\n");
/* find out how many bytes offset each pixel is */
bpp = (row_info->pixel_depth + 7) / 8;
bpp = (row_info->pixel_depth + 7) >> 3;
prev_row = png_ptr->prev_row;
best_row = row_buf = png_ptr->row_buf;

44
projects/cbuilder5/libpng.bpf
View File

@ -1,22 +1,22 @@
USEUNIT("libpng.cpp");
USEUNIT("..\..\png.c");
USEUNIT("..\..\pngerror.c");
USEUNIT("..\..\pngget.c");
USEUNIT("..\..\pngmem.c");
USEUNIT("..\..\pngpread.c");
USEUNIT("..\..\pngread.c");
USEUNIT("..\..\pngrio.c");
USEUNIT("..\..\pngrtran.c");
USEUNIT("..\..\pngrutil.c");
USEUNIT("..\..\pngset.c");
USEUNIT("..\..\pngtrans.c");
USEUNIT("..\..\pngwio.c");
USEUNIT("..\..\pngwrite.c");
USEUNIT("..\..\pngwtran.c");
USEUNIT("..\..\pngwutil.c");
USELIB("..\..\..\zlib\zlib.lib");
//---------------------------------------------------------------------------
This file is used by the project manager only and should be treated like the project file
DllEntryPoint
USEUNIT("libpng.cpp");
USEUNIT("..\..\png.c");
USEUNIT("..\..\pngerror.c");
USEUNIT("..\..\pngget.c");
USEUNIT("..\..\pngmem.c");
USEUNIT("..\..\pngpread.c");
USEUNIT("..\..\pngread.c");
USEUNIT("..\..\pngrio.c");
USEUNIT("..\..\pngrtran.c");
USEUNIT("..\..\pngrutil.c");
USEUNIT("..\..\pngset.c");
USEUNIT("..\..\pngtrans.c");
USEUNIT("..\..\pngwio.c");
USEUNIT("..\..\pngwrite.c");
USEUNIT("..\..\pngwtran.c");
USEUNIT("..\..\pngwutil.c");
USELIB("..\..\..\zlib\zlib.lib");
//---------------------------------------------------------------------------
This file is used by the project manager only and should be treated like the project file
DllEntryPoint

50
projects/cbuilder5/libpng.bpg
View File

@ -1,25 +1,25 @@
#------------------------------------------------------------------------------
VERSION = BWS.01
#------------------------------------------------------------------------------
!ifndef ROOT
ROOT = $(MAKEDIR)\..
!endif
#------------------------------------------------------------------------------
MAKE = $(ROOT)\bin\make.exe -$(MAKEFLAGS) -f$**
DCC = $(ROOT)\bin\dcc32.exe $**
BRCC = $(ROOT)\bin\brcc32.exe $**
#------------------------------------------------------------------------------
PROJECTS = libpngstat.lib libpng.dll
#------------------------------------------------------------------------------
default: $(PROJECTS)
#------------------------------------------------------------------------------
libpngstat.lib: libpngstat.bpr
$(ROOT)\bin\bpr2mak -t$(ROOT)\bin\deflib.bmk $**
$(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak
libpng.dll: libpng.bpr
$(ROOT)\bin\bpr2mak $**
$(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak
#------------------------------------------------------------------------------
VERSION = BWS.01
#------------------------------------------------------------------------------
!ifndef ROOT
ROOT = $(MAKEDIR)\..
!endif
#------------------------------------------------------------------------------
MAKE = $(ROOT)\bin\make.exe -$(MAKEFLAGS) -f$**
DCC = $(ROOT)\bin\dcc32.exe $**
BRCC = $(ROOT)\bin\brcc32.exe $**
#------------------------------------------------------------------------------
PROJECTS = libpngstat.lib libpng.dll
#------------------------------------------------------------------------------
default: $(PROJECTS)
#------------------------------------------------------------------------------
libpngstat.lib: libpngstat.bpr
$(ROOT)\bin\bpr2mak -t$(ROOT)\bin\deflib.bmk $**
$(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak
libpng.dll: libpng.bpr
$(ROOT)\bin\bpr2mak $**
$(ROOT)\bin\make -$(MAKEFLAGS) -f$*.mak

312
projects/cbuilder5/libpng.bpr
View File

@ -1,157 +1,157 @@
<?xml version='1.0' encoding='utf-8' ?>
<!-- C++Builder XML Project -->
<PROJECT>
<MACROS>
<VERSION value="BCB.05.03"/>
<PROJECT value="libpng.dll"/>
<OBJFILES value="libpng.obj ..\..\pngwutil.obj ..\..\pngerror.obj ..\..\pngget.obj
..\..\pngmem.obj ..\..\pngpread.obj ..\..\pngread.obj ..\..\pngrio.obj
..\..\pngrtran.obj ..\..\pngrutil.obj ..\..\pngset.obj ..\..\pngtrans.obj
..\..\pngwio.obj ..\..\pngwrite.obj ..\..\pngwtran.obj ..\..\png.obj"/>
<RESFILES value=""/>
<DEFFILE value=""/>
<RESDEPEN value="$(RESFILES)"/>
<LIBFILES value="..\..\..\zlib\zlib.lib"/>
<LIBRARIES value="bcbsmp50.lib dclocx50.lib NMFast50.lib Tee50.lib Vclx50.lib Vcl50.lib"/>
<SPARELIBS value="Vcl50.lib Vclx50.lib Tee50.lib NMFast50.lib dclocx50.lib bcbsmp50.lib"/>
<PACKAGES value="Vcl50.bpi Vclx50.bpi bcbsmp50.bpi Qrpt50.bpi Vcldb50.bpi Vclbde50.bpi
ibsmp50.bpi vcldbx50.bpi TeeUI50.bpi TeeDB50.bpi Tee50.bpi TeeQR50.bpi
VCLIB50.bpi bcbie50.bpi vclie50.bpi Inetdb50.bpi Inet50.bpi NMFast50.bpi
dclocx50.bpi bcb97axserver50.bpi SIMULUSCOMPONENTS.bpi Simulus2.bpi"/>
<PATHCPP value=".;..\.."/>
<PATHPAS value=".;"/>
<PATHRC value=".;"/>
<PATHASM value=".;"/>
<DEBUGLIBPATH value="$(BCB)\lib\debug"/>
<RELEASELIBPATH value="$(BCB)\lib\release"/>
<LINKER value="tlink32"/>
<USERDEFINES value="PNG_BUILD_DLL;PNG_NO_MODULEDEF"/>
<SYSDEFINES value="NO_STRICT;_NO_VCL;_RTLDLL"/>
<MAINSOURCE value="libpng.bpf"/>
<INCLUDEPATH value="..\..;..\..\..\zlib;$(BCB)\include"/>
<LIBPATH value="..\..;$(BCB)\lib\obj;$(BCB)\lib"/>
<WARNINGS value="-w8092 -w8091 -w8090 -w8089 -w8087 -wprc -wucp -wstv -wstu -wsig -wpin
-wnod -wnak -wdef -wcln -wbbf -wasm -wamp -wamb"/>
</MACROS>
<OPTIONS>
<CFLAG1 value="-WD -O2 -w -Vx -Ve -x- -RT- -X- -a8 -5 -b- -d -k- -vi -tWD -tWM -c"/>
<PFLAGS value="-$Y- -$L- -$D- -$C- -v -JPHNE -M"/>
<RFLAGS value=""/>
<AFLAGS value="/mx /w2 /zn"/>
<LFLAGS value="-D&quot;&quot; -aa -Tpd -x -Gn -Gi -w"/>
</OPTIONS>
<LINKER>
<ALLOBJ value="c0d32.obj $(OBJFILES)"/>
<ALLRES value="$(RESFILES)"/>
<ALLLIB value="$(LIBFILES) $(LIBRARIES) import32.lib cw32mti.lib"/>
</LINKER>
<IDEOPTIONS>
[Version Info]
IncludeVerInfo=0
AutoIncBuild=0
MajorVer=1
MinorVer=0
Release=0
Build=0
Debug=0
PreRelease=0
Special=0
Private=0
DLL=1
Locale=2057
CodePage=1252
[Version Info Keys]
CompanyName=
FileDescription=
FileVersion=1.0.0.0
InternalName=
LegalCopyright=
LegalTrademarks=
OriginalFilename=
ProductName=
ProductVersion=
Comments=
[HistoryLists\hlIncludePath]
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Item0=$(BCB)\source\vcl
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[HistoryLists\hlIntOutputDir]
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[Debugging]
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RemotePath=
RemoteDebug=0
[Compiler]
ShowInfoMsgs=0
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</IDEOPTIONS>
<?xml version='1.0' encoding='utf-8' ?>
<!-- C++Builder XML Project -->
<PROJECT>
<MACROS>
<VERSION value="BCB.05.03"/>
<PROJECT value="libpng.dll"/>
<OBJFILES value="libpng.obj ..\..\pngwutil.obj ..\..\pngerror.obj ..\..\pngget.obj
..\..\pngmem.obj ..\..\pngpread.obj ..\..\pngread.obj ..\..\pngrio.obj
..\..\pngrtran.obj ..\..\pngrutil.obj ..\..\pngset.obj ..\..\pngtrans.obj
..\..\pngwio.obj ..\..\pngwrite.obj ..\..\pngwtran.obj ..\..\png.obj"/>
<RESFILES value=""/>
<DEFFILE value=""/>
<RESDEPEN value="$(RESFILES)"/>
<LIBFILES value="..\..\..\zlib\zlib.lib"/>
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56
projects/cbuilder5/libpng.cpp
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@ -1,29 +1,29 @@
//---------------------------------------------------------------------------
#include <windows.h>
//---------------------------------------------------------------------------
// Important note about DLL memory management when your DLL uses the
// static version of the RunTime Library:
//
// If your DLL exports any functions that pass String objects (or structs/
// classes containing nested Strings) as parameter or function results,
// you will need to add the library MEMMGR.LIB to both the DLL project and
// any other projects that use the DLL. You will also need to use MEMMGR.LIB
// if any other projects which use the DLL will be performing new or delete
// operations on any non-TObject-derived classes which are exported from the
// DLL. Adding MEMMGR.LIB to your project will change the DLL and its calling
// EXE's to use the BORLNDMM.DLL as their memory manager. In these cases,
// the file BORLNDMM.DLL should be deployed along with your DLL.
//
// To avoid using BORLNDMM.DLL, pass string information using "char *" or
// ShortString parameters.
//
// If your DLL uses the dynamic version of the RTL, you do not need to
// explicitly add MEMMGR.LIB as this will be done implicitly for you
//---------------------------------------------------------------------------
int WINAPI DllEntryPoint(HINSTANCE, unsigned long, void*)
{
return 1;
}
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#include <windows.h>
//---------------------------------------------------------------------------
// Important note about DLL memory management when your DLL uses the
// static version of the RunTime Library:
//
// If your DLL exports any functions that pass String objects (or structs/
// classes containing nested Strings) as parameter or function results,
// you will need to add the library MEMMGR.LIB to both the DLL project and
// any other projects that use the DLL. You will also need to use MEMMGR.LIB
// if any other projects which use the DLL will be performing new or delete
// operations on any non-TObject-derived classes which are exported from the
// DLL. Adding MEMMGR.LIB to your project will change the DLL and its calling
// EXE's to use the BORLNDMM.DLL as their memory manager. In these cases,
// the file BORLNDMM.DLL should be deployed along with your DLL.
//
// To avoid using BORLNDMM.DLL, pass string information using "char *" or
// ShortString parameters.
//
// If your DLL uses the dynamic version of the RTL, you do not need to
// explicitly add MEMMGR.LIB as this will be done implicitly for you
//---------------------------------------------------------------------------
int WINAPI DllEntryPoint(HINSTANCE, unsigned long, void*)
{
return 1;
}
//---------------------------------------------------------------------------

50
projects/cbuilder5/libpng.readme.txt
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@ -1,25 +1,25 @@
Project files to build libpng using Borland C++ Builder v5.0
In order to build and use libpng, please follow these steps:
1). Install zlib in a directory at the same level with libpng.
2). In a console window, go to the zlib directory and type:
make -f win32\Makefile.bor
After performing this step, you should have a file named
zlib.lib in the zlib directory.
3). Add the following conditional define to your project:
PNG_USE_DLL
4). Add libpng.lib or libpngstat.lib to the project.
Build the project.
5). If the build fails, add the paths to png.h and zlib.h to
your include path, and restart the build.
By default, the libpng project uses zlib as a static library. If
you wish to use zlib as a DLL, please read the important notes from
the zlib DLL FAQ, found inside the zlib distribution.
See the libpng documentation for instructions on how to use the code.
Project files to build libpng using Borland C++ Builder v5.0
In order to build and use libpng, please follow these steps:
1). Install zlib in a directory at the same level with libpng.
2). In a console window, go to the zlib directory and type:
make -f win32\Makefile.bor
After performing this step, you should have a file named
zlib.lib in the zlib directory.
3). Add the following conditional define to your project:
PNG_USE_DLL
4). Add libpng.lib or libpngstat.lib to the project.
Build the project.
5). If the build fails, add the paths to png.h and zlib.h to
your include path, and restart the build.
By default, the libpng project uses zlib as a static library. If
you wish to use zlib as a DLL, please read the important notes from
the zlib DLL FAQ, found inside the zlib distribution.
See the libpng documentation for instructions on how to use the code.

42
projects/cbuilder5/libpngstat.bpf
View File

@ -1,22 +1,22 @@
USEUNIT("..\..\png.c");
USEUNIT("..\..\pngerror.c");
USEUNIT("..\..\pngget.c");
USEUNIT("..\..\pngmem.c");
USEUNIT("..\..\pngpread.c");
USEUNIT("..\..\pngread.c");
USEUNIT("..\..\pngrio.c");
USEUNIT("..\..\pngrtran.c");
USEUNIT("..\..\pngrutil.c");
USEUNIT("..\..\pngset.c");
USEUNIT("..\..\pngtrans.c");
USEUNIT("..\..\pngwio.c");
USEUNIT("..\..\pngwrite.c");
USEUNIT("..\..\pngwtran.c");
USEUNIT("..\..\pngwutil.c");
USELIB("..\..\..\zlib\zlib.lib");
//---------------------------------------------------------------------------
#define Library
// To add a file to the library use the Project menu 'Add to Project'.
USEUNIT("..\..\png.c");
USEUNIT("..\..\pngerror.c");
USEUNIT("..\..\pngget.c");
USEUNIT("..\..\pngmem.c");
USEUNIT("..\..\pngpread.c");
USEUNIT("..\..\pngread.c");
USEUNIT("..\..\pngrio.c");
USEUNIT("..\..\pngrtran.c");
USEUNIT("..\..\pngrutil.c");
USEUNIT("..\..\pngset.c");
USEUNIT("..\..\pngtrans.c");
USEUNIT("..\..\pngwio.c");
USEUNIT("..\..\pngwrite.c");
USEUNIT("..\..\pngwtran.c");
USEUNIT("..\..\pngwutil.c");
USELIB("..\..\..\zlib\zlib.lib");
//---------------------------------------------------------------------------
#define Library
// To add a file to the library use the Project menu 'Add to Project'.

216
projects/cbuilder5/libpngstat.bpr
View File

@ -1,109 +1,109 @@
<?xml version='1.0' encoding='utf-8' ?>
<!-- C++Builder XML Project -->
<PROJECT>
<MACROS>
<VERSION value="BCB.05.03"/>
<PROJECT value="libpngstat.lib"/>
<OBJFILES value="..\..\pngerror.obj ..\..\png.obj ..\..\pngwutil.obj ..\..\pngmem.obj
..\..\pngpread.obj ..\..\pngread.obj ..\..\pngrio.obj ..\..\pngrtran.obj
..\..\pngrutil.obj ..\..\pngset.obj ..\..\pngtrans.obj ..\..\pngwio.obj
..\..\pngwrite.obj ..\..\pngwtran.obj ..\..\pngget.obj"/>
<RESFILES value=""/>
<DEFFILE value=""/>
<RESDEPEN value="$(RESFILES)"/>
<LIBFILES value="..\..\..\zlib\zlib.lib"/>
<LIBRARIES value=""/>
<PACKAGES value=""/>
<PATHCPP value=".;..\.."/>
<PATHPAS value=".;"/>
<PATHRC value=".;"/>
<PATHASM value=".;"/>
<LINKER value="TLib"/>
<USERDEFINES value=""/>
<SYSDEFINES value="_RTLDLL;NO_STRICT"/>
<MAINSOURCE value="libpngstat.bpf"/>
<INCLUDEPATH value="..\..;..\..\..\zlib;$(BCB)\include"/>
<LIBPATH value="..\..;$(BCB)\lib\obj;$(BCB)\lib"/>
<WARNINGS value="-w-par"/>
<LISTFILE value=""/>
</MACROS>
<OPTIONS>
<CFLAG1 value="-O2 -w -Vx -Ve -X- -a8 -5 -b- -d -k- -vi -c -tW -tWM"/>
<PFLAGS value="-$Y- -$L- -$D- -$C- -v -JPHNE -M"/>
<AFLAGS value="/mx /w2 /zn"/>
<LFLAGS value=""/>
</OPTIONS>
<LINKER>
<ALLOBJ value="$(OBJFILES)"/>
<ALLLIB value=""/>
</LINKER>
<IDEOPTIONS>
[Version Info]
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AutoIncBuild=0
MajorVer=1
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<!-- C++Builder XML Project -->
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<OBJFILES value="..\..\pngerror.obj ..\..\png.obj ..\..\pngwutil.obj ..\..\pngmem.obj
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<CFLAG1 value="-O2 -w -Vx -Ve -X- -a8 -5 -b- -d -k- -vi -c -tW -tWM"/>
<PFLAGS value="-$Y- -$L- -$D- -$C- -v -JPHNE -M"/>
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</PROJECT>

28
projects/cbuilder5/zlib.readme.txt
View File

@ -1,14 +1,14 @@
The project that builds libpng under Borland C++ Builder does not
explicitly build zlib. By taking this decision, there is no need
to update the libpng project each time when there is a change in
the list of zlib source files. After all, this list is private to
zlib, and applications (such as libpng) should not assume anything
about it.
If you wish to contribute a project that builds zlib under Borland
C++ Builder, please submit it to the zlib developers, not to the
libpng developers.
By default, the libpng project uses zlib as a static library. If
you wish to use zlib as a DLL, please read the important notes from
the zlib DLL FAQ, found inside the zlib distribution.
The project that builds libpng under Borland C++ Builder does not
explicitly build zlib. By taking this decision, there is no need
to update the libpng project each time when there is a change in
the list of zlib source files. After all, this list is private to
zlib, and applications (such as libpng) should not assume anything
about it.
If you wish to contribute a project that builds zlib under Borland
C++ Builder, please submit it to the zlib developers, not to the
libpng developers.
By default, the libpng project uses zlib as a static library. If
you wish to use zlib as a DLL, please read the important notes from
the zlib DLL FAQ, found inside the zlib distribution.

4
projects/netware.txt
View File

@ -1,6 +1,6 @@
A set of project files is available for Netware. Get
libpng-1.2.6beta4-project-netware.zip from a libpng distribution
libpng-1.2.5-project-netware.zip from a libpng distribution
site such as http://libpng.sourceforge.net
Put the zip file in this directory (projects) and then run
"unzip -a libpng-1.2.6beta4-project-netware.zip"
"unzip -a libpng-1.2.5-project-netware.zip"

128
projects/visualc6/README.txt
View File

@ -1,64 +1,64 @@
Microsoft Developer Studio Project File, Format Version 6.00 for libpng.
Copyright (C) 2000-2004 Simon-Pierre Cadieux.
Copyright (C) 2004 Cosmin Truta.
For conditions of distribution and use, see copyright notice in png.h
Assumptions:
* The libpng source files are in ..\..
* The zlib source files are in ..\..\..\zlib
* The zlib project files are in ..\..\..\zlib\projects\visualc6
To use:
1) On the main menu, select "File | Open Workspace".
Open "libpng.dsw".
2) Select "Build | Set Active Configuration".
Choose the configuration you wish to build.
(Choose libpng or pngtest; zlib will be built automatically.)
3) Select "Build | Clean".
4) Select "Build | Build ... (F7)". Ignore warning messages about
not being able to find certain include files (e.g. alloc.h).
5) If you built the sample program (pngtest),
select "Build | Execute ... (Ctrl+F5)".
This project builds the libpng binaries as follows:
* Win32_DLL_Release\libpng13.dll DLL build
* Win32_DLL_Debug\libpng13d.dll DLL build (debug version)
* Win32_DLL_ASM_Release\libpng13.dll DLL build using ASM code
* Win32_DLL_ASM_Debug\libpng13d.dll DLL build using ASM (debug version)
* Win32_DLL_VB\libpng13vb.dll DLL build for Visual Basic, using stdcall
* Win32_LIB_Release\libpng.lib static build
* Win32_LIB_Debug\libpngd.lib static build (debug version)
* Win32_LIB_ASM_Release\libpng.lib static build using ASM code
* Win32_LIB_ASM_Debug\libpngd.lib static build using ASM (debug version)
Notes:
If you change anything in the source files, or select different compiler
settings, please change the DLL name to something different than any of
the above names.
Also, make sure that DLLFNAME_POSTFIX and (PRIVATEBUILD or SPECIALBUILD)
are defined when compiling the resource file. DLLFNAME_POSTFIX contains
the trailing letters that come after the version number. PRIVATEBUILD
and/or SPECIALBUILD store information describing the type of change made
in the VERSIONINFO structure. Please refer to MSDN for more information
on the used macros and the nature of their content. For an example on
how to define these macros, look at the resource compiler settings for
the "Win32 DLL VB" configuration.
All DLLs built by this project use the Microsoft dynamic C runtime library
MSVCRT.DLL (MSVCRTD.DLL for debug versions). If you distribute any of the
above mentioned libraries you should also include this DLL in your package.
For a list of files that are redistributable in Visual C++ 6.0, see
Common\Redist\Redist.txt on Disc 1 of the Visual C++ 6.0 product CDs.
Microsoft Developer Studio Project File, Format Version 6.00 for libpng.
Copyright (C) 2000-2004 Simon-Pierre Cadieux.
Copyright (C) 2004 Cosmin Truta.
For conditions of distribution and use, see copyright notice in png.h
Assumptions:
* The libpng source files are in ..\..
* The zlib source files are in ..\..\..\zlib
* The zlib project files are in ..\..\..\zlib\projects\visualc6
To use:
1) On the main menu, select "File | Open Workspace".
Open "libpng.dsw".
2) Select "Build | Set Active Configuration".
Choose the configuration you wish to build.
(Choose libpng or pngtest; zlib will be built automatically.)
3) Select "Build | Clean".
4) Select "Build | Build ... (F7)". Ignore warning messages about
not being able to find certain include files (e.g. alloc.h).
5) If you built the sample program (pngtest),
select "Build | Execute ... (Ctrl+F5)".
This project builds the libpng binaries as follows:
* Win32_DLL_Release\libpng13.dll DLL build
* Win32_DLL_Debug\libpng13d.dll DLL build (debug version)
* Win32_DLL_ASM_Release\libpng13.dll DLL build using ASM code
* Win32_DLL_ASM_Debug\libpng13d.dll DLL build using ASM (debug version)
* Win32_DLL_VB\libpng13vb.dll DLL build for Visual Basic, using stdcall
* Win32_LIB_Release\libpng.lib static build
* Win32_LIB_Debug\libpngd.lib static build (debug version)
* Win32_LIB_ASM_Release\libpng.lib static build using ASM code
* Win32_LIB_ASM_Debug\libpngd.lib static build using ASM (debug version)
Notes:
If you change anything in the source files, or select different compiler
settings, please change the DLL name to something different than any of
the above names.
Also, make sure that DLLFNAME_POSTFIX and (PRIVATEBUILD or SPECIALBUILD)
are defined when compiling the resource file. DLLFNAME_POSTFIX contains
the trailing letters that come after the version number. PRIVATEBUILD
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For a list of files that are redistributable in Visual C++ 6.0, see
Common\Redist\Redist.txt on Disc 1 of the Visual C++ 6.0 product CDs.

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# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 1
# PROP Output_Dir "Win32_DLL_ASM_Debug"
# PROP Intermediate_Dir "Win32_DLL_ASM_Debug"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c
# SUBTRACT BASE CPP /YX
# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_DLL" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /GZ /c
# SUBTRACT CPP /YX
# ADD BASE RSC /l 0x409 /d "_DEBUG"
# ADD RSC /l 0x409 /d "_DEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# ADD LINK32 Win32_DLL_ASM_Debug\libpng13d.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Debug\zlib1d.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# Begin Special Build Tool
OutDir=.\Win32_DLL_ASM_Debug
SOURCE="$(InputPath)"
PostBuild_Desc=[Run Test]
PostBuild_Cmds=set path=$(outdir);..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Debug; $(outdir)\pngtest.exe ..\..\pngtest.png
# End Special Build Tool
!ELSEIF "$(CFG)" == "pngtest - Win32 LIB Release"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 0
# PROP BASE Output_Dir "pngtest___Win32_LIB_Release"
# PROP BASE Intermediate_Dir "pngtest___Win32_LIB_Release"
# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 0
# PROP Output_Dir "Win32_LIB_Release"
# PROP Intermediate_Dir "Win32_LIB_Release"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c
# SUBTRACT BASE CPP /YX
# ADD CPP /nologo /MD /W3 /O2 /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /FD /c
# SUBTRACT CPP /YX
# ADD BASE RSC /l 0x409 /d "NDEBUG"
# ADD RSC /l 0x409 /d "NDEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 /nologo /subsystem:console /machine:I386
# ADD LINK32 Win32_LIB_Release\libpng.lib ..\..\..\zlib\projects\visualc6\Win32_LIB_Release\zlib.lib /nologo /subsystem:console /machine:I386
# Begin Special Build Tool
OutDir=.\Win32_LIB_Release
SOURCE="$(InputPath)"
PostBuild_Desc=[Run Test]
PostBuild_Cmds=$(outdir)\pngtest.exe ..\..\pngtest.png
# End Special Build Tool
!ELSEIF "$(CFG)" == "pngtest - Win32 LIB Debug"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 1
# PROP BASE Output_Dir "pngtest___Win32_LIB_Debug"
# PROP BASE Intermediate_Dir "pngtest___Win32_LIB_Debug"
# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 1
# PROP Output_Dir "Win32_LIB_Debug"
# PROP Intermediate_Dir "Win32_LIB_Debug"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c
# SUBTRACT BASE CPP /YX
# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /FD /GZ /c
# SUBTRACT CPP /YX
# ADD BASE RSC /l 0x409 /d "_DEBUG"
# ADD RSC /l 0x409 /d "_DEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# ADD LINK32 Win32_LIB_Debug\libpngd.lib ..\..\..\zlib\projects\visualc6\Win32_LIB_Debug\zlibd.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# Begin Special Build Tool
OutDir=.\Win32_LIB_Debug
SOURCE="$(InputPath)"
PostBuild_Desc=[Run Test]
PostBuild_Cmds=$(outdir)\pngtest.exe ..\..\pngtest.png
# End Special Build Tool
!ELSEIF "$(CFG)" == "pngtest - Win32 LIB ASM Release"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 0
# PROP BASE Output_Dir "pngtest___Win32_LIB_ASM_Release"
# PROP BASE Intermediate_Dir "pngtest___Win32_LIB_ASM_Release"
# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 0
# PROP Output_Dir "Win32_LIB_ASM_Release"
# PROP Intermediate_Dir "Win32_LIB_ASM_Release"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c
# SUBTRACT BASE CPP /YX
# ADD CPP /nologo /MD /W3 /O2 /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /FD /c
# SUBTRACT CPP /YX
# ADD BASE RSC /l 0x409 /d "NDEBUG"
# ADD RSC /l 0x409 /d "NDEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 /nologo /subsystem:console /machine:I386
# ADD LINK32 Win32_LIB_ASM_Release\libpng.lib ..\..\..\zlib\projects\visualc6\Win32_LIB_ASM_Release\zlib.lib /nologo /subsystem:console /machine:I386
# Begin Special Build Tool
OutDir=.\Win32_LIB_ASM_Release
SOURCE="$(InputPath)"
PostBuild_Desc=[Run Test]
PostBuild_Cmds=$(outdir)\pngtest.exe ..\..\pngtest.png
# End Special Build Tool
!ELSEIF "$(CFG)" == "pngtest - Win32 LIB ASM Debug"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 1
# PROP BASE Output_Dir "pngtest___Win32_LIB_ASM_Debug"
# PROP BASE Intermediate_Dir "pngtest___Win32_LIB_ASM_Debug"
# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 1
# PROP Output_Dir "Win32_LIB_ASM_Debug"
# PROP Intermediate_Dir "Win32_LIB_ASM_Debug"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c
# SUBTRACT BASE CPP /YX
# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /FD /GZ /c
# SUBTRACT CPP /YX
# ADD BASE RSC /l 0x409 /d "_DEBUG"
# ADD RSC /l 0x409 /d "_DEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# ADD LINK32 Win32_LIB_ASM_Debug\libpngd.lib ..\..\..\zlib\projects\visualc6\Win32_LIB_ASM_Debug\zlibd.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# Begin Special Build Tool
OutDir=.\Win32_LIB_ASM_Debug
SOURCE="$(InputPath)"
PostBuild_Desc=[Run Test]
PostBuild_Cmds=$(outdir)\pngtest.exe ..\..\pngtest.png
# End Special Build Tool
!ENDIF
# Begin Target
# Name "pngtest - Win32 DLL Release"
# Name "pngtest - Win32 DLL Debug"
# Name "pngtest - Win32 DLL ASM Release"
# Name "pngtest - Win32 DLL ASM Debug"
# Name "pngtest - Win32 LIB Release"
# Name "pngtest - Win32 LIB Debug"
# Name "pngtest - Win32 LIB ASM Release"
# Name "pngtest - Win32 LIB ASM Debug"
# Begin Group "Source Files"
# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
# Begin Source File
SOURCE=..\..\pngtest.c
# End Source File
# End Group
# End Target
# End Project

4
projects/wince.txt
View File

@ -1,6 +1,6 @@
A set of project files is available for WinCE. Get
libpng-1.2.6beta4-project-wince.zip from a libpng distribution
libpng-1.2.5-project-wince.zip from a libpng distribution
site such as http://libpng.sourceforge.net
Put the zip file in this directory (projects) and then run
"unzip -a libpng-1.2.6beta4-project-wince.zip"
"unzip -a libpng-1.2.5-project-wince.zip"

2
scripts/libpng-config-head.in
View File

@ -8,7 +8,7 @@
# Modeled after libxml-config.
version=1.2.5
version=1.2.6rc1
prefix=""
libdir=""
libs=""

2
scripts/libpng.pc.in
View File

@ -6,6 +6,6 @@ includedir=${exec_prefix}/include
Name: libpng12
Description: Loads and saves PNG files
Version: 1.2.5
Version: 1.2.6rc1
Libs: -L${libdir} -lpng12 -lz -lm
Cflags: -I${includedir}/libpng12

2
scripts/makefile.32sunu
View File

@ -33,7 +33,7 @@ RANLIB=echo
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include

2
scripts/makefile.64sunu
View File

@ -33,7 +33,7 @@ RANLIB=echo
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include

2
scripts/makefile.aix
View File

@ -18,7 +18,7 @@ RM = rm -f
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local

2
scripts/makefile.beos
View File

@ -12,7 +12,7 @@ ZLIBLIB=/usr/local/lib
ZLIBINC=/usr/local/include
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
ALIGN=

2
scripts/makefile.cygwin
View File

@ -79,7 +79,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng12
PNGMAJ = 0
CYGDLL = 12
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll

16
scripts/makefile.darwin
View File

@ -1,5 +1,5 @@
# makefile for libpng on Darwin / Mac OS X
# Copyright (C) 2002 Glenn Randers-Pehrson
# Copyright (C) 2002,2004 Glenn Randers-Pehrson
# Copyright (C) 2001 Christoph Pfisterer
# derived from makefile.linux:
# Copyright (C) 1998, 1999 Greg Roelofs
@ -23,7 +23,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz
RANLIB=ranlib
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12
@ -85,18 +85,17 @@ $(LIBNAME).$(PNGMAJ).dylib: $(LIBNAME).$(PNGVER).dylib
$(LIBNAME).$(PNGVER).dylib: $(OBJSDLL)
$(CC) -dynamiclib \
-install_name $(DL)/$(LIBNAME).$(PNGMAJ).dylib \
-flat_namespace -undefined suppress \
-install_name $(LIBPATH)/$(LIBNAME).$(PNGMAJ).dylib \
-current_version $(PNGVER) -compatibility_version $(PNGVER) \
-o $(LIBNAME).$(PNGVER).dylib \
$(OBJSDLL)
$(OBJSDLL) -L$(ZLIBLIB) -lz
libpng.3.$(PNGMIN).dylib: $(OBJSDLL)
$(CC) -dynamiclib \
-install_name $(DL)/libpng.3.dylib \
-install_name $(LIBPATH)/libpng.3.dylib \
-current_version 3 -compatibility_version 3 \
-flat_namespace -undefined suppress \
-o libpng.3.$(PNGMIN).dylib \
$(OBJSDLL)
$(OBJSDLL) -L$(ZLIBLIB) -lz
pngtest: pngtest.o $(LIBNAME).dylib
$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@ -117,6 +116,7 @@ install-static: install-headers libpng.a
-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
cp libpng.a $(DL)/$(LIBNAME).a
chmod 644 $(DL)/$(LIBNAME).a
$(RANLIB) $(DL)/$(LIBNAME).a
-@/bin/rm -f $(DL)/libpng.a
(cd $(DL); ln -sf $(LIBNAME).a libpng.a)

2
scripts/makefile.dec
View File

@ -32,7 +32,7 @@ ZLIBLIB=../zlib
ZLIBINC=../zlib
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

2
scripts/makefile.gcmmx
View File

@ -15,7 +15,7 @@
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
CC=gcc

2
scripts/makefile.hpgcc
View File

@ -41,7 +41,7 @@ RANLIB=ranlib
#RANLIB=echo
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

2
scripts/makefile.hpux
View File

@ -24,7 +24,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
RANLIB=ranlib
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

2
scripts/makefile.linux
View File

@ -5,7 +5,7 @@
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
CC=gcc

197
scripts/makefile.macosx
View File

@ -1,197 +0,0 @@
# makefile for libpng, MACOS X
# Copyright (C) 2002 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
# Modified by Karin Kosina <kyrah@sim.no> 20011010:
# build shared library (*.dylib)
# For conditions of distribution and use, see copyright notice in png.h
# where make install puts libpng.a and png.h
prefix=/usr/local
# Where the zlib library and include files are located
#ZLIBLIB=/usr/local/lib
#ZLIBINC=/usr/local/include
ZLIBLIB=../zlib
ZLIBINC=../zlib
CC=cc
PNGMAJ = 0
PNGMIN = 1.2.5
PNGVER = $(PNGMAJ).$(PNGMIN)
CFLAGS=-fno-common -I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz
LIBNAME=libpng12
SHAREDLIB_POSTFIX=dylib
INCPATH=$(prefix)/include
LIBPATH=$(prefix)/lib
MANPATH=$(prefix)/man
BINPATH=$(prefix)/bin
# override DESTDIR= on the make install command line to easily support
# installing into a temporary location. Example:
#
# make install DESTDIR=/tmp/build/libpng
#
# If you're going to install into a temporary location
# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
# you execute make install.
DESTDIR=
DB=$(DESTDIR)$(BINPATH)
DI=$(DESTDIR)$(INCPATH)
DL=$(DESTDIR)$(LIBPATH)
DM=$(DESTDIR)$(MANPATH)
#RANLIB=echo
RANLIB=ranlib
OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
pngwtran.o pngmem.o pngerror.o pngpread.o
all: libpng.a pngtest shared libpng.pc libpng-config
shared: $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
libpng.pc:
cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! | \
sed -e s/-lm// > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo L_opts=\"-L$(LIBPATH)\"; \
echo libs=\"-lpng12 -lz\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
libpng.a: $(OBJS)
ar rc $@ $(OBJS)
$(RANLIB) $@
$(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX): $(OBJS)
cc -dynamiclib -flat_namespace -undefined suppress -o $@ $(OBJS)
libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX): $(OBJS)
cc -dynamiclib -compatibility_version 3 -flat_namespace \
-undefined suppress -o $@ $(OBJS)
pngtest: pngtest.o libpng.a
$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
test: pngtest
./pngtest
install-headers: png.h pngconf.h
-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
-@/bin/rm -f $(DI)/libpng
(cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
install-static: install-headers libpng.a
-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
cp libpng.a $(DL)/$(LIBNAME).a
chmod 644 $(DL)/$(LIBNAME).a
-@/bin/rm -f $(DL)/libpng.a
(cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
install-shared: install-headers $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) \
libpng.pc libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX)
-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-@/bin/rm -f \
$(DL)/$(LIBNAME).$(PNGVER)*.$(SHAREDLIB_POSTFIX)
-@/bin/rm -f $(DL)/$(LIBNAME).$(SHAREDLIB_POSTFIX)
-@/bin/rm -f libpng.$(SHAREDLIB_POSTFIX)
-@/bin/rm -f libpng.3.$(SHAREDLIB_POSTFIX)
-@/bin/rm -f libpng.3.$(PNGMIN)*.$(SHAREDLIB_POSTFIX)
cp libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX) $(DL)
cp $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) $(DL)
chmod 755 $(DL)/$(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
chmod 755 $(DL)/libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX)
(cd $(DL); \
ln -f -s libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX) \
libpng.3.$(SHAREDLIB_POSTFIX); \
ln -f -s libpng.3.$(SHAREDLIB_POSTFIX) libpng.$(SHAREDLIB_POSTFIX); \
ln -f -s $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) \
libpng.$(SHAREDLIB_POSTFIX); \
ln -f -s libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX) \
libpng.3.$(SHAREDLIB_POSTFIX); \
ln -f -s $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) \
$(LIBNAME).$(PNGMAJ).$(SHAREDLIB_POSTFIX); \
ln -f -s $(LIBNAME).$(PNGMAJ).$(SHAREDLIB_POSTFIX) \
$(LIBNAME).$(SHAREDLIB_POSTFIX))
-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
(cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
install-man: libpng.3 libpngpf.3 png.5
-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
-@/bin/rm -f $(DM)/man3/libpng.3
-@/bin/rm -f $(DM)/man3/libpngpf.3
cp libpng.3 $(DM)/man3
cp libpngpf.3 $(DM)/man3
-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
-@/bin/rm -f $(DM)/man5/png.5
cp png.5 $(DM)/man5
install-config: libpng-config
-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
-@/bin/rm -f $(DB)/libpng-config
-@/bin/rm -f $(DB)/$(LIBNAME)-config
cp libpng-config $(DB)/$(LIBNAME)-config
chmod 755 $(DB)/$(LIBNAME)-config
(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
install: install-static install-shared install-man install-config
# If you installed in $(DESTDIR), test-installed won't work until you
# move the library to its final location.
test-installed:
$(CC) $(CFLAGS) \
`$(BINPATH)/libpng12-config --cflags` pngtest.c \
-L$(ZLIBLIB) \
-o pngtesti `$(BINPATH)/libpng12-config --ldflags`
./pngtesti pngtest.png
clean:
rm -f *.o libpng.a pngtest pngout.png libpng-config \
$(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) \
$(LIBNAME).$(SHAREDLIB_POSTFIX) \
libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX) \
libpng.pc
DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
chmod a-w *.[ch35] $(DOCS) scripts/*
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o: png.h pngconf.h
pngerror.o: png.h pngconf.h
pngrio.o: png.h pngconf.h
pngwio.o: png.h pngconf.h
pngmem.o: png.h pngconf.h
pngset.o: png.h pngconf.h
pngget.o: png.h pngconf.h
pngread.o: png.h pngconf.h
pngrtran.o: png.h pngconf.h
pngrutil.o: png.h pngconf.h
pngtest.o: png.h pngconf.h
pngtrans.o: png.h pngconf.h
pngwrite.o: png.h pngconf.h
pngwtran.o: png.h pngconf.h
pngwutil.o: png.h pngconf.h
pngpread.o: png.h pngconf.h

2
scripts/makefile.ne12bsd
View File

@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
LIB= png12
SHLIB_MAJOR= 0
SHLIB_MINOR= 1.2.5
SHLIB_MINOR= 1.2.6rc1
SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c

2
scripts/makefile.netbsd
View File

@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng
LIB= png
SHLIB_MAJOR= 3
SHLIB_MINOR= 1.2.5
SHLIB_MINOR= 1.2.6rc1
SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c

2
scripts/makefile.openbsd
View File

@ -7,7 +7,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0
SHLIB_MINOR= 1.2.5
SHLIB_MINOR= 1.2.6rc1
LIB= png
SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \

2
scripts/makefile.sco
View File

@ -24,7 +24,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
RANLIB=echo
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

2
scripts/makefile.sggcc
View File

@ -18,7 +18,7 @@ ZLIBINC=../zlib
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
CC=gcc

2
scripts/makefile.sgi
View File

@ -5,7 +5,7 @@
LIBNAME=libpng12
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Where make install puts libpng.a, libpng12.so, and libpng12/png.h

2
scripts/makefile.so9
View File

@ -34,7 +34,7 @@ LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
RANLIB=echo
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

2
scripts/makefile.solaris
View File

@ -30,7 +30,7 @@ LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
RANLIB=echo
PNGMAJ = 0
PNGMIN = 1.2.5
PNGMIN = 1.2.6rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

23
scripts/pngos2.def
View File

@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
; Version 1.2.5
; Version 1.2.6rc1
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"
@ -184,27 +184,6 @@ EXPORTS
png_convert_to_rfc1123
png_set_invalid
; Added at version 1.2.0:
png_mmx_support
png_permit_empty_plte
png_permit_mng_features
png_get_mmx_flagmask
png_get_asm_flagmask
png_get_asm_flags
png_get_mmx_bitdepth_threshold
png_get_mmx_rowbytes_threshold
png_set_asm_flags
png_init_mmx_flags
; Added at version 1.2.2:
png_handle_as_unknown
; Added at version 1.2.2 and deleted from 1.2.3:
; png_zalloc
; png_zfree
; Added at version 1.2.4
png_malloc_warn
; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
png_libpng_ver

413
scripts/pngw32.def
View File

@ -1,220 +1,193 @@
;------------------------------------------
; LIBPNG module definition file for Windows
;------------------------------------------
LIBRARY
DESCRIPTION "PNG image compression library for Windows"
EXPORTS
;Version 1.2.5
png_build_grayscale_palette @1
png_check_sig @2
png_chunk_error @3
png_chunk_warning @4
png_convert_from_struct_tm @5
png_convert_from_time_t @6
png_create_info_struct @7
png_create_read_struct @8
png_create_write_struct @9
png_data_freer @10
png_destroy_info_struct @11
png_destroy_read_struct @12
png_destroy_write_struct @13
png_error @14
png_free @15
png_free_data @16
png_get_IHDR @17
png_get_PLTE @18
png_get_bKGD @19
png_get_bit_depth @20
png_get_cHRM @21
png_get_cHRM_fixed @22
png_get_channels @23
png_get_color_type @24
png_get_compression_buffer_size @25
png_get_compression_type @26
png_get_copyright @27
png_get_error_ptr @28
png_get_filter_type @29
png_get_gAMA @30
png_get_gAMA_fixed @31
png_get_hIST @32
png_get_header_ver @33
png_get_header_version @34
png_get_iCCP @35
png_get_image_height @36
png_get_image_width @37
png_get_interlace_type @38
png_get_io_ptr @39
png_get_libpng_ver @40
png_get_oFFs @41
png_get_pCAL @42
png_get_pHYs @43
png_get_pixel_aspect_ratio @44
png_get_pixels_per_meter @45
png_get_progressive_ptr @46
png_get_rgb_to_gray_status @47
png_get_rowbytes @48
png_get_rows @49
png_get_sBIT @50
png_get_sCAL @51
png_get_sPLT @52
png_get_sRGB @53
png_get_signature @54
png_get_tIME @55
png_get_tRNS @56
png_get_text @57
png_get_unknown_chunks @58
png_get_user_chunk_ptr @59
png_get_user_transform_ptr @60
png_get_valid @61
png_get_x_offset_microns @62
png_get_x_offset_pixels @63
png_get_x_pixels_per_meter @64
png_get_y_offset_microns @65
png_get_y_offset_pixels @66
png_get_y_pixels_per_meter @67
png_malloc @68
png_memcpy_check @69
png_memset_check @70
; png_permit_empty_plte is deprecated
png_permit_empty_plte @71
png_process_data @72
png_progressive_combine_row @73
png_read_end @74
png_read_image @75
png_read_info @76
; png_read_init is deprecated
png_read_init @77
png_read_png @78
png_read_row @79
png_read_rows @80
png_read_update_info @81
png_reset_zstream @82
png_set_IHDR @83
png_set_PLTE @84
png_set_bKGD @85
png_set_background @86
png_set_bgr @87
png_set_cHRM @88
png_set_cHRM_fixed @89
png_set_compression_buffer_size @90
png_set_compression_level @91
png_set_compression_mem_level @92
png_set_compression_method @93
png_set_compression_strategy @94
png_set_compression_window_bits @95
png_set_crc_action @96
png_set_dither @97
png_set_error_fn @98
png_set_expand @99
png_set_filler @100
png_set_filter @101
png_set_filter_heuristics @102
png_set_flush @103
png_set_gAMA @104
png_set_gAMA_fixed @105
png_set_gamma @106
png_set_gray_1_2_4_to_8 @107
png_set_gray_to_rgb @108
png_set_hIST @109
png_set_iCCP @110
png_set_interlace_handling @111
png_set_invert_alpha @112
png_set_invert_mono @113
png_set_keep_unknown_chunks @114
png_set_oFFs @115
png_set_pCAL @116
png_set_pHYs @117
png_set_packing @118
png_set_packswap @119
png_set_palette_to_rgb @120
png_set_progressive_read_fn @121
png_set_read_fn @122
png_set_read_status_fn @123
png_set_read_user_chunk_fn @124
png_set_read_user_transform_fn @125
png_set_rgb_to_gray @126
png_set_rgb_to_gray_fixed @127
png_set_rows @128
png_set_sBIT @129
png_set_sCAL @130
png_set_sPLT @131
png_set_sRGB @132
png_set_sRGB_gAMA_and_cHRM @133
png_set_shift @134
png_set_sig_bytes @135
png_set_strip_16 @136
png_set_strip_alpha @137
png_set_swap @138
png_set_swap_alpha @139
png_set_tIME @140
png_set_tRNS @141
png_set_tRNS_to_alpha @142
png_set_text @143
png_set_unknown_chunk_location @144
png_set_unknown_chunks @145
png_set_user_transform_info @146
png_set_write_fn @147
png_set_write_status_fn @148
png_set_write_user_transform_fn @149
png_sig_cmp @150
png_start_read_image @151
png_warning @152
png_write_chunk @153
png_write_chunk_data @154
png_write_chunk_end @155
png_write_chunk_start @156
png_write_end @157
png_write_flush @158
png_write_image @159
png_write_info @160
png_write_info_before_PLTE @161
; png_write_init is deprecated
png_write_init @162
png_write_png @163
png_write_row @164
png_write_rows @165
; png_read_init_2 and png_write_init_2 are deprecated.
png_read_init_2 @166
png_write_init_2 @167
png_access_version_number @168
; png_sig_bytes @169
; png_libpng_ver @170
png_init_io @171
png_convert_to_rfc1123 @172
png_set_invalid @173
; Added at version 1.0.12
; For compatiblity with 1.0.7-1.0.11
png_info_init @174
png_read_init_3 @175
png_write_init_3 @176
png_info_init_3 @177
png_destroy_struct @178
; Added at version 1.2.0
; For use with PNG_USER_MEM_SUPPORTED
png_destroy_struct_2 @179
png_create_read_struct_2 @180
png_create_write_struct_2 @181
png_malloc_default @182
png_free_default @183
; MNG features
png_permit_mng_features @184
; MMX support
png_mmx_support @185
png_get_mmx_flagmask @186
png_get_asm_flagmask @187
png_get_asm_flags @188
png_get_mmx_bitdepth_threshold @189
png_get_mmx_rowbytes_threshold @190
png_set_asm_flags @191
png_init_mmx_flags @192
; Strip error numbers
png_set_strip_error_numbers @193
; Added at version 1.2.2
png_handle_as_unknown @194
; Added at version 1.2.2 and deleted from 1.2.3
; png_zalloc @195
; png_zfree @196
; Added at version 1.2.4
png_malloc_warn @195
;------------------------------------------
; LIBPNG module definition file for Windows
;------------------------------------------
LIBRARY
DESCRIPTION "PNG image compression library for Windows"
EXPORTS
;Version 1.2.6rc1
png_build_grayscale_palette @1
png_check_sig @2
png_chunk_error @3
png_chunk_warning @4
png_convert_from_struct_tm @5
png_convert_from_time_t @6
png_create_info_struct @7
png_create_read_struct @8
png_create_write_struct @9
png_data_freer @10
png_destroy_info_struct @11
png_destroy_read_struct @12
png_destroy_write_struct @13
png_error @14
png_free @15
png_free_data @16
png_get_IHDR @17
png_get_PLTE @18
png_get_bKGD @19
png_get_bit_depth @20
png_get_cHRM @21
png_get_cHRM_fixed @22
png_get_channels @23
png_get_color_type @24
png_get_compression_buffer_size @25
png_get_compression_type @26
png_get_copyright @27
png_get_error_ptr @28
png_get_filter_type @29
png_get_gAMA @30
png_get_gAMA_fixed @31
png_get_hIST @32
png_get_header_ver @33
png_get_header_version @34
png_get_iCCP @35
png_get_image_height @36
png_get_image_width @37
png_get_interlace_type @38
png_get_io_ptr @39
png_get_libpng_ver @40
png_get_oFFs @41
png_get_pCAL @42
png_get_pHYs @43
png_get_pixel_aspect_ratio @44
png_get_pixels_per_meter @45
png_get_progressive_ptr @46
png_get_rgb_to_gray_status @47
png_get_rowbytes @48
png_get_rows @49
png_get_sBIT @50
png_get_sCAL @51
png_get_sPLT @52
png_get_sRGB @53
png_get_signature @54
png_get_tIME @55
png_get_tRNS @56
png_get_text @57
png_get_unknown_chunks @58
png_get_user_chunk_ptr @59
png_get_user_transform_ptr @60
png_get_valid @61
png_get_x_offset_microns @62
png_get_x_offset_pixels @63
png_get_x_pixels_per_meter @64
png_get_y_offset_microns @65
png_get_y_offset_pixels @66
png_get_y_pixels_per_meter @67
png_malloc @68
png_memcpy_check @69
png_memset_check @70
; png_permit_empty_plte is deprecated
png_permit_empty_plte @71
png_process_data @72
png_progressive_combine_row @73
png_read_end @74
png_read_image @75
png_read_info @76
; png_read_init is deprecated
png_read_init @77
png_read_png @78
png_read_row @79
png_read_rows @80
png_read_update_info @81
png_reset_zstream @82
png_set_IHDR @83
png_set_PLTE @84
png_set_bKGD @85
png_set_background @86
png_set_bgr @87
png_set_cHRM @88
png_set_cHRM_fixed @89
png_set_compression_buffer_size @90
png_set_compression_level @91
png_set_compression_mem_level @92
png_set_compression_method @93
png_set_compression_strategy @94
png_set_compression_window_bits @95
png_set_crc_action @96
png_set_dither @97
png_set_error_fn @98
png_set_expand @99
png_set_filler @100
png_set_filter @101
png_set_filter_heuristics @102
png_set_flush @103
png_set_gAMA @104
png_set_gAMA_fixed @105
png_set_gamma @106
png_set_gray_1_2_4_to_8 @107
png_set_gray_to_rgb @108
png_set_hIST @109
png_set_iCCP @110
png_set_interlace_handling @111
png_set_invert_alpha @112
png_set_invert_mono @113
png_set_keep_unknown_chunks @114
png_set_oFFs @115
png_set_pCAL @116
png_set_pHYs @117
png_set_packing @118
png_set_packswap @119
png_set_palette_to_rgb @120
png_set_progressive_read_fn @121
png_set_read_fn @122
png_set_read_status_fn @123
png_set_read_user_chunk_fn @124
png_set_read_user_transform_fn @125
png_set_rgb_to_gray @126
png_set_rgb_to_gray_fixed @127
png_set_rows @128
png_set_sBIT @129
png_set_sCAL @130
png_set_sPLT @131
png_set_sRGB @132
png_set_sRGB_gAMA_and_cHRM @133
png_set_shift @134
png_set_sig_bytes @135
png_set_strip_16 @136
png_set_strip_alpha @137
png_set_swap @138
png_set_swap_alpha @139
png_set_tIME @140
png_set_tRNS @141
png_set_tRNS_to_alpha @142
png_set_text @143
png_set_unknown_chunk_location @144
png_set_unknown_chunks @145
png_set_user_transform_info @146
png_set_write_fn @147
png_set_write_status_fn @148
png_set_write_user_transform_fn @149
png_sig_cmp @150
png_start_read_image @151
png_warning @152
png_write_chunk @153
png_write_chunk_data @154
png_write_chunk_end @155
png_write_chunk_start @156
png_write_end @157
png_write_flush @158
png_write_image @159
png_write_info @160
png_write_info_before_PLTE @161
; png_write_init is deprecated
png_write_init @162
png_write_png @163
png_write_row @164
png_write_rows @165
; png_read_init_2 and png_write_init_2 are deprecated.
png_read_init_2 @166
png_write_init_2 @167
png_access_version_number @168
; png_sig_bytes @169
; png_libpng_ver @170
png_init_io @171
png_convert_to_rfc1123 @172
png_set_invalid @173
; Added at version 1.0.12
; For compatiblity with 1.0.7-1.0.11
png_info_init @174
png_read_init_3 @175
png_write_init_3 @176
png_info_init_3 @177
png_destroy_struct @178

190
scripts/pngw32.rc
View File

@ -1,95 +1,95 @@
#define PNG_VERSION_INFO_ONLY
#include <windows.h>
#include "../png.h"
#define _QUOTE(x) # x
#define QUOTE(x) _QUOTE(x)
#define PNG_LIBPNG_DLLFNAME "LIBPNG"
#if defined(DLLFNAME_POSTFIX) && !defined(PRIVATEBUILD) && !defined(SPECIALBUILD)
# error PRIVATEBUILD or SPECIALBUILD must be defined as a string describing the type of change brought to the standard library
#endif /* defined(DLLFNAME_POSTFIX)... */
#if defined(PNG_USE_PNGVCRD)
# if !defined(SPECIALBUILD)
# define SPECIALBUILD "Use MMX instructions"
# endif /* SPECIALBUILD */
#endif
#if defined(PNG_DEBUG) && (PNG_DEBUG > 0)
# define VS_DEBUG VS_FF_DEBUG
# ifndef DLLFNAME_POSTFIX
# define DLLFNAME_POSTFIX "D"
# endif /* DLLFNAME_POSTFIX */
# ifndef COMMENTS
# define COMMENTS "PNG_DEBUG=" QUOTE(PNG_DEBUG)
# endif /* COMMENTS */
#else
# define VS_DEBUG 0
# ifndef DLLFNAME_POSTFIX
# define DLLFNAME_POSTFIX
# endif /* DLLFNAME_POSTFIX */
#endif /* defined(DEBUG)... */
#ifdef PRIVATEBUILD
# define VS_PRIVATEBUILD VS_FF_PRIVATEBUILD
#else
# define VS_PRIVATEBUILD 0
#endif /* PRIVATEBUILD */
#ifdef SPECIALBUILD
# define VS_SPECIALBUILD VS_FF_SPECIALBUILD
#else
# define VS_SPECIALBUILD 0
#endif /* SPECIALBUILD */
#if ((PNG_LIBPNG_BUILD_TYPE & PNG_LIBPNG_BUILD_TYPEMASK) != \
PNG_LIBPNG_BUILD_STABLE)
# define VS_PRERELEASE VS_FF_PRERELEASE
# define VS_PATCHED 0
#else
# define VS_PRERELEASE 0
# if (PNG_LIBPNG_BUILD_TYPE & PNG_LIBPNG_BUILD_PATCHED)
# define VS_PATCHED VS_FF_PATCHED
# else
# define VS_PATCHED 0
# endif
#endif
VS_VERSION_INFO VERSIONINFO
FILEVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD
PRODUCTVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS VS_DEBUG | VS_PRIVATEBUILD | VS_SPECIALBUILD | VS_PRERELEASE | VS_PATCHED
FILEOS VOS__WINDOWS32
FILETYPE VFT_DLL
FILESUBTYPE VFT2_UNKNOWN
BEGIN
BLOCK "StringFileInfo"
BEGIN BLOCK "040904E4" /* Language type = U.S English(0x0409) and Character Set = Windows, Multilingual(0x04E4) */
BEGIN
#ifdef COMMENTS
VALUE "Comments", COMMENTS "\000"
#endif /* COMMENTS */
VALUE "FileDescription", "PNG image compression library\000"
VALUE "FileVersion", PNG_LIBPNG_VER_STRING "\000"
VALUE "InternalName", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) DLLFNAME_POSTFIX " (Windows 32 bit)\000"
VALUE "LegalCopyright", "\251 1998-2004 Glenn Randers-Pehrson et al.\000"
VALUE "OriginalFilename", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) DLLFNAME_POSTFIX ".DLL\000"
#ifdef PRIVATEBUILD
VALUE "PrivateBuild", PRIVATEBUILD
#endif /* PRIVATEBUILD */
VALUE "ProductName", "LibPNG\000"
VALUE "ProductVersion", "1\000"
#ifdef SPECIALBUILD
VALUE "SpecialBuild", SPECIALBUILD
#endif /* SPECIALBUILD */
END
END
BLOCK "VarFileInfo"
BEGIN
VALUE "Translation", 0x0409, 0x04E4
END
END
#define PNG_VERSION_INFO_ONLY
#include <windows.h>
#include "../png.h"
#define _QUOTE(x) # x
#define QUOTE(x) _QUOTE(x)
#define PNG_LIBPNG_DLLFNAME "LIBPNG"
#if defined(DLLFNAME_POSTFIX) && !defined(PRIVATEBUILD) && !defined(SPECIALBUILD)
# error PRIVATEBUILD or SPECIALBUILD must be defined as a string describing the type of change brought to the standard library
#endif /* defined(DLLFNAME_POSTFIX)... */
#if defined(PNG_USE_PNGVCRD)
# if !defined(SPECIALBUILD)
# define SPECIALBUILD "Use MMX instructions"
# endif /* SPECIALBUILD */
#endif
#if defined(PNG_DEBUG) && (PNG_DEBUG > 0)
# define VS_DEBUG VS_FF_DEBUG
# ifndef DLLFNAME_POSTFIX
# define DLLFNAME_POSTFIX "D"
# endif /* DLLFNAME_POSTFIX */
# ifndef COMMENTS
# define COMMENTS "PNG_DEBUG=" QUOTE(PNG_DEBUG)
# endif /* COMMENTS */
#else
# define VS_DEBUG 0
# ifndef DLLFNAME_POSTFIX
# define DLLFNAME_POSTFIX
# endif /* DLLFNAME_POSTFIX */
#endif /* defined(DEBUG)... */
#ifdef PRIVATEBUILD
# define VS_PRIVATEBUILD VS_FF_PRIVATEBUILD
#else
# define VS_PRIVATEBUILD 0
#endif /* PRIVATEBUILD */
#ifdef SPECIALBUILD
# define VS_SPECIALBUILD VS_FF_SPECIALBUILD
#else
# define VS_SPECIALBUILD 0
#endif /* SPECIALBUILD */
#if ((PNG_LIBPNG_BUILD_TYPE & PNG_LIBPNG_BUILD_TYPEMASK) != \
PNG_LIBPNG_BUILD_STABLE)
# define VS_PRERELEASE VS_FF_PRERELEASE
# define VS_PATCHED 0
#else
# define VS_PRERELEASE 0
# if (PNG_LIBPNG_BUILD_TYPE & PNG_LIBPNG_BUILD_PATCHED)
# define VS_PATCHED VS_FF_PATCHED
# else
# define VS_PATCHED 0
# endif
#endif
VS_VERSION_INFO VERSIONINFO
FILEVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD
PRODUCTVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS VS_DEBUG | VS_PRIVATEBUILD | VS_SPECIALBUILD | VS_PRERELEASE | VS_PATCHED
FILEOS VOS__WINDOWS32
FILETYPE VFT_DLL
FILESUBTYPE VFT2_UNKNOWN
BEGIN
BLOCK "StringFileInfo"
BEGIN BLOCK "040904E4" /* Language type = U.S English(0x0409) and Character Set = Windows, Multilingual(0x04E4) */
BEGIN
#ifdef COMMENTS
VALUE "Comments", COMMENTS "\000"
#endif /* COMMENTS */
VALUE "FileDescription", "PNG image compression library\000"
VALUE "FileVersion", PNG_LIBPNG_VER_STRING "\000"
VALUE "InternalName", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) DLLFNAME_POSTFIX " (Windows 32 bit)\000"
VALUE "LegalCopyright", "\251 1998-2004 Glenn Randers-Pehrson et al.\000"
VALUE "OriginalFilename", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) DLLFNAME_POSTFIX ".DLL\000"
#ifdef PRIVATEBUILD
VALUE "PrivateBuild", PRIVATEBUILD
#endif /* PRIVATEBUILD */
VALUE "ProductName", "LibPNG\000"
VALUE "ProductVersion", "1\000"
#ifdef SPECIALBUILD
VALUE "SpecialBuild", SPECIALBUILD
#endif /* SPECIALBUILD */
END
END
BLOCK "VarFileInfo"
BEGIN
VALUE "Translation", 0x0409, 0x04E4
END
END