+
/* pngconf.h - machine configurable file for libpng
*
- * libpng 1.2.5rc3 - September 18, 2002
+ * libpng version 1.2.7 - September 12, 2004
* For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2002 Glenn Randers-Pehrson
+ * 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.)
*/
#ifndef PNGCONF_H
#define PNGCONF_H
+#ifdef PNG_USER_CONFIG
+#include "pngusr.h"
+#endif
+
/* This is the size of the compression buffer, and thus the size of
* an IDAT chunk. Make this whatever size you feel is best for your
* machine. One of these will be allocated per png_struct. When this
# undef _BSD_SOURCE
# endif
# ifdef _SETJMP_H
- __png.h__ already includes setjmp.h;
- __dont__ include it again.;
+ /* If you encounter a compiler error here, see the explanation
+ * near the end of INSTALL.
+ */
+ __png.h__ already includes setjmp.h;
+ __dont__ include it again.;
# endif
# endif /* __linux__ */
# define PNG_ALWAYS_EXTERN
#endif
-/* For some reason, Borland C++ defines memcmp, etc. in mem.h, not
- * stdlib.h like it should (I think). Or perhaps this is a C++
- * "feature"?
- */
-#ifdef __TURBOC__
+/* This provides the non-ANSI (far) memory allocation routines. */
+#if defined(__TURBOC__) && defined(__MSDOS__)
# include <mem.h>
-# include "alloc.h"
+# include <alloc.h>
#endif
+/* I have no idea why is this necessary... */
#if defined(_MSC_VER) && (defined(WIN32) || defined(_Windows) || \
defined(_WINDOWS) || defined(_WIN32) || defined(__WIN32__))
# include <malloc.h>
# endif
#endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
- defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
-# ifndef PNG_NO_USER_TRANSFORM_PTR
-# define PNG_USER_TRANSFORM_PTR_SUPPORTED
-# endif
-#endif
-
#define PNG_WRITE_INTERLACING_SUPPORTED /* not required for PNG-compliant
encoders, but can cause trouble
if left undefined */
# define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
#endif
-#ifndef PNG_1_0_X
-#ifndef PNG_NO_ERROR_NUMBERS
-#define PNG_ERROR_NUMBERS_SUPPORTED
-#endif
-#endif /* PNG_1_0_X */
-
#ifndef PNG_NO_WRITE_FLUSH
# define PNG_WRITE_FLUSH_SUPPORTED
#endif
#endif /* PNG_WRITE_SUPPORTED */
+#ifndef PNG_1_0_X
+# ifndef PNG_NO_ERROR_NUMBERS
+# define PNG_ERROR_NUMBERS_SUPPORTED
+# endif
+#endif /* PNG_1_0_X */
+
+#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
+ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
+# ifndef PNG_NO_USER_TRANSFORM_PTR
+# define PNG_USER_TRANSFORM_PTR_SUPPORTED
+# endif
+#endif
+
#ifndef PNG_NO_STDIO
# define PNG_TIME_RFC1123_SUPPORTED
#endif
#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 */
/* 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
*/
/* This is usually size_t. It is typedef'ed just in case you need it to
change (I'm not sure if you will or not, so I thought I'd be safe) */
-typedef size_t png_size_t;
+#ifdef PNG_SIZE_T
+ typedef PNG_SIZE_T png_size_t;
+# define png_sizeof(x) png_convert_size(sizeof (x))
+#else
+ typedef size_t png_size_t;
+# define png_sizeof(x) sizeof (x)
+#endif
/* The following is needed for medium model support. It cannot be in the
* PNG_INTERNAL section. Needs modification for other compilers besides
* zlib and your applications the same way you build libpng.
*/
-#ifndef PNGAPI
-
#if defined(__MINGW32__) && !defined(PNG_MODULEDEF)
# ifndef PNG_NO_MODULEDEF
# define PNG_NO_MODULEDEF
(( defined(_Windows) || defined(_WINDOWS) || \
defined(WIN32) || defined(_WIN32) || defined(__WIN32__) ))
-# if defined(__GNUC__) || (defined (_MSC_VER) && (_MSC_VER >= 800))
-# define PNGAPI __cdecl
-# else
-# define PNGAPI _cdecl
+# ifndef PNGAPI
+# if defined(__GNUC__) || (defined (_MSC_VER) && (_MSC_VER >= 800))
+# define PNGAPI __cdecl
+# else
+# define PNGAPI _cdecl
+# endif
# endif
# if !defined(PNG_IMPEXP) && (!defined(PNG_DLL) || \
# endif
# endif /* PNG_IMPEXP */
#else /* !(DLL || non-cygwin WINDOWS) */
-# if (defined(__IBMC__) || defined(IBMCPP__)) && defined(__OS2__)
-# define PNGAPI _System
-# define PNG_IMPEXP
-# else
+# if (defined(__IBMC__) || defined(__IBMCPP__)) && defined(__OS2__)
+# ifndef PNGAPI
+# define PNGAPI _System
+# endif
+# else
# if 0 /* ... other platforms, with other meanings */
-# else
-# define PNGAPI
-# define PNG_IMPEXP
# endif
# endif
#endif
-#endif
#if defined(__VISAGECPP__)
-/* I don't compile with this _System linkage for wxWindows */
+/* I don't compile with this _System linkage for wxWidgets */
# ifdef PNGAPI
# undef PNGAPI
# endif
# define NOCHECK 0
# define CVT_PTR(ptr) (png_far_to_near(png_ptr,ptr,CHECK))
# define CVT_PTR_NOCHECK(ptr) (png_far_to_near(png_ptr,ptr,NOCHECK))
-# define png_strcpy _fstrcpy
-# define png_strlen _fstrlen
-# define png_memcmp _fmemcmp /* SJT: added */
-# define png_memcpy _fmemcpy
-# define png_memset _fmemset
+# define png_strcpy _fstrcpy
+# define png_strncpy _fstrncpy /* Added to v 1.2.6 */
+# define png_strlen _fstrlen
+# define png_memcmp _fmemcmp /* SJT: added */
+# define png_memcpy _fmemcpy
+# define png_memset _fmemset
#else /* use the usual functions */
# define CVT_PTR(ptr) (ptr)
# define CVT_PTR_NOCHECK(ptr) (ptr)
-# define png_strcpy strcpy
-# define png_strlen strlen
-# define png_memcmp memcmp /* SJT: added */
-# define png_memcpy memcpy
-# define png_memset memset
+# define png_strcpy strcpy
+# define png_strncpy strncpy /* Added to v 1.2.6 */
+# define png_strlen strlen
+# define png_memcmp memcmp /* SJT: added */
+# define png_memcpy memcpy
+# define png_memset memset
#endif
/* End of memory model independent support */
/* Just a little check that someone hasn't tried to define something
* contradictory.
*/
-#if (PNG_ZBUF_SIZE > 65536) && defined(PNG_MAX_MALLOC_64K)
+#if (PNG_ZBUF_SIZE > 65536L) && defined(PNG_MAX_MALLOC_64K)
# undef PNG_ZBUF_SIZE
-# define PNG_ZBUF_SIZE 65536
+# define PNG_ZBUF_SIZE 65536L
#endif
#ifdef PNG_READ_SUPPORTED
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