mirror of
https://git.code.sf.net/p/libpng/code.git
synced 2025-07-10 18:04:09 +02:00
Imported from pngcrush-1.4.6.tar
This commit is contained in:
Glenn Randers-Pehrson
153
pngconf.h
153
pngconf.h
@@ -1,6 +1,6 @@
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/* pngconf.h - machine configurable file for libpng
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*
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* libpng 1.0.7rc2 - June 28, 2000
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* libpng 1.0.8rc1 - July 17, 2000
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* For conditions of distribution and use, see copyright notice in png.h
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* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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@@ -51,6 +51,60 @@
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#define PNG_MAX_MALLOC_64K
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#endif
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/* Special munging to support doing things the 'cygwin' way:
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* 'Normal' png-on-win32 defines/defaults:
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* PNG_BUILD_DLL -- building dll
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* PNG_USE_DLL -- building an application, linking to dll
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* (no define) -- building static library, or building an
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* application and linking to the static lib
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* 'Cygwin' defines/defaults:
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* PNG_BUILD_DLL -- building the dll
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* (no define) -- building an application, linking to the dll
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* PNG_STATIC -- building the static lib, or building an application
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* which links to the static lib.
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* Thus,
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* a cygwin user should define either PNG_BUILD_DLL or PNG_STATIC, and
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* this bit of #ifdefs will define the 'correct' config variables based on
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* that. If a cygwin user *wants* to define 'PNG_USE_DLL' that's okay, but
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* unnecessary.
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*/
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#if defined(__CYGWIN__)
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# if defined(PNG_BUILD_DLL)
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# if defined(PNG_USE_DLL)
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# undef PNG_USE_DLL
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# endif
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# if !defined(PNG_DLL)
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# define PNG_DLL
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# endif
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# if defined(PNG_STATIC)
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# undef PNG_STATIC
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# endif
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# else
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# if defined(PNG_STATIC)
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# if defined(PNG_USE_DLL)
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# undef PNG_USE_DLL
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# endif
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# if defined(PNG_DLL)
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# undef PNG_DLL
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# endif
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# else
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# if defined(PNG_USE_DLL)
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# if !defined(PNG_DLL)
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# define PNG_DLL
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# endif
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# else
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# if defined(PNG_DLL)
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# define PNG_USE_DLL
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# else
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# define PNG_USE_DLL
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# define PNG_DLL
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# endif
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# endif
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# endif
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# endif
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#endif
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/* This protects us against compilers that run on a windowing system
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* and thus don't have or would rather us not use the stdio types:
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* stdin, stdout, and stderr. The only one currently used is stderr
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@@ -64,6 +118,15 @@
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* #define PNG_NO_STDIO
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*/
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#if defined(_WIN32_WCE)
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#include <windows.h>
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/* Console I/O functions are not supported on WindowsCE */
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#define PNG_NO_CONSOLE_IO
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#ifdef PNG_DEBUG
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# undef PNG_DEBUG
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#endif
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#endif
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#ifdef PNG_BUILD_DLL
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# ifndef PNG_CONSOLE_IO_SUPPORTED
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# ifndef PNG_NO_CONSOLE_IO
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@@ -82,7 +145,10 @@
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# endif
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# endif
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# else
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# include <stdio.h>
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# if !defined(_WIN32_WCE)
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/* "stdio.h" functions are not supported on WindowsCE */
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# include <stdio.h>
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# endif
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# endif
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/* This macro protects us against machines that don't have function
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@@ -120,7 +186,7 @@
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#endif
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/* enough people need this for various reasons to include it here */
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#if !defined(MACOS) && !defined(RISCOS)
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#if !defined(MACOS) && !defined(RISCOS) && !defined(_WIN32_WCE)
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#include <sys/types.h>
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#endif
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@@ -524,6 +590,9 @@ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
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#ifndef PNG_NO_USER_MEM
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#define PNG_USER_MEM_SUPPORTED
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#endif
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#ifndef PNG_NO_ZALLOC_ZERO
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#define PNG_ZALLOC_ZERO
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#endif
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*/
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/* This is only for PowerPC big-endian and 680x0 systems */
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@@ -642,7 +711,7 @@ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
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# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
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# endif
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#endif
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#if !defined (PNG_NO_READ_USER_CHUNKS) && \
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#if !defined(PNG_NO_READ_USER_CHUNKS) && \
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defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
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# define PNG_READ_USER_CHUNKS_SUPPORTED
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# define PNG_USER_CHUNKS_SUPPORTED
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@@ -801,7 +870,10 @@ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
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/* need the time information for reading tIME chunks */
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#if defined(PNG_tIME_SUPPORTED)
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# include <time.h>
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# if !defined(_WIN32_WCE)
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/* "time.h" functions are not supported on WindowsCE */
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# include <time.h>
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# endif
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#endif
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/* Some typedefs to get us started. These should be safe on most of the
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@@ -841,7 +913,7 @@ typedef size_t png_size_t;
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#define LDATA 0
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#endif
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#if !defined(__WIN32__) && !defined(__FLAT__)
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#if !defined(__WIN32__) && !defined(__FLAT__) && !defined(__CYGWIN__)
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#define PNG_MAX_MALLOC_64K
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#if (LDATA != 1)
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#ifndef FAR
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@@ -855,7 +927,7 @@ typedef size_t png_size_t;
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* const if your compiler supports it. (SJT)
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# define FARDATA FAR
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*/
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#endif /* __WIN32__, __FLAT__ */
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#endif /* __WIN32__, __FLAT__, __CYGWIN__ */
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#endif /* __BORLANDC__ */
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@@ -898,6 +970,11 @@ typedef png_int_16 FAR * png_int_16p;
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typedef PNG_CONST char FAR * png_const_charp;
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typedef char FAR * png_charp;
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typedef png_fixed_point FAR * png_fixed_point_p;
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#if defined(_WIN32_WCE)
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typedef HANDLE png_FILE_p;
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#else
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typedef FILE * png_FILE_p;
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#endif
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#ifdef PNG_FLOATING_POINT_SUPPORTED
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typedef double FAR * png_doublep;
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#endif
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@@ -934,12 +1011,43 @@ typedef z_stream FAR * png_zstreamp;
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* It is equivalent to Microsoft predefined macro _DLL which is
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* automatically defined when you compile using the share
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* version of the CRT (C Run-Time library)
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*
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* The cygwin mods make this behavior a little different:
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* Define PNG_BUILD_DLL if you are building a dll for use with cygwin
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* Define PNG_STATIC if you are building a static library for use with cygwin,
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* -or- if you are building an application that you want to link to the
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* static library.
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* PNG_USE_DLL is defined by default (no user action needed) unless one of
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* the other flags is defined.
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*/
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#if !defined(PNG_DLL) && (defined(PNG_BUILD_DLL) || defined(PNG_USE_DLL))
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# define PNG_DLL
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#endif
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/* If CYGWIN, then disallow GLOBAL ARRAYS unless building a static lib.
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* When building a static lib, default to no GLOBAL ARRAYS, but allow
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* command-line override
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*/
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#if defined(__CYGWIN__)
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# if !defined(PNG_STATIC)
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# if defined(PNG_USE_GLOBAL_ARRAYS)
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# undef PNG_USE_GLOBAL_ARRAYS
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# endif
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# if !defined(PNG_USE_LOCAL_ARRAYS)
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# define PNG_USE_LOCAL_ARRAYS
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# endif
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# else
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# if defined(PNG_USE_LOCAL_ARRAYS) || defined(PNG_NO_GLOBAL_ARRAYS)
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# if defined(PNG_USE_GLOBAL_ARRAYS)
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# undef PNG_USE_GLOBAL_ARRAYS
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# endif
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# endif
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# endif
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# if !defined(PNG_USE_LOCAL_ARRAYS) && !defined(PNG_USE_GLOBAL_ARRAYS)
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# define PNG_USE_LOCAL_ARRAYS
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# endif
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#endif
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/* Do not use global arrays (helps with building DLL's)
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* They are no longer used in libpng itself, since version 1.0.5c,
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* but might be required for some pre-1.0.5c applications.
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@@ -954,19 +1062,21 @@ typedef z_stream FAR * png_zstreamp;
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#ifndef PNGAPI
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#if defined(__MINGW32__) || defined(__CYGWIN32__) && !defined(PNG_MODULEDEF)
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#if defined(__MINGW32__) || defined(__CYGWIN__) && !defined(PNG_MODULEDEF)
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# ifndef PNG_NO_MODULEDEF
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# define PNG_NO_MODULEDEF
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# endif
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#endif
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#endif
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#if !defined(PNG_IMPEXP) && defined(PNG_BUILD_DLL) && !defined(PNG_NO_MODULEDEF)
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# define PNG_IMPEXP
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#endif
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#if defined(PNG_DLL) || defined(_DLL) || defined(__DLL__ ) || \
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defined(_Windows) || defined(_WINDOWS) || \
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defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
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(( defined(_Windows) || defined(_WINDOWS) || \
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defined(WIN32) || defined(_WIN32) || defined(__WIN32__) \
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) && !defined(__CYGWIN__))
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# ifdef __GNUC__
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# define PNGAPI __cdecl
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@@ -1008,11 +1118,18 @@ typedef z_stream FAR * png_zstreamp;
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# endif
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# endif
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# endif /* PNG_IMPEXP */
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#else /* !(DLL || WINDOWS) */
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# if 0 /* ... other platforms, with other meanings */
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#else /* !(DLL || non-cygwin WINDOWS) */
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# if defined(__CYGWIN__) && !defined(PNG_DLL)
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# if !defined(PNG_IMPEXP)
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# define PNG_IMPEXP
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# endif
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# define PNGAPI __cdecl
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# else
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# define PNGAPI
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# define PNG_IMPEXP
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# if 0 /* ... other platforms, with other meanings */
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# else
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# define PNGAPI
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# define PNG_IMPEXP
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# endif
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# endif
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#endif
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#endif
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@@ -1023,7 +1140,7 @@ typedef z_stream FAR * png_zstreamp;
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#ifdef PNG_USE_GLOBAL_ARRAYS
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#ifndef PNG_EXPORT_VAR
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# define PNG_EXPORT_VAR(type) extern type
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# define PNG_EXPORT_VAR(type) extern PNG_IMPEXP type
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#endif
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#endif
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