Imported from libpng-1.2.9beta1.tar
diff --git a/png.h b/png.h
index e87a301..1cc08aa 100644
--- a/png.h
+++ b/png.h
@@ -1,14 +1,14 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.2.8 - December 3, 2004
- * Copyright (c) 1998-2004 Glenn Randers-Pehrson
+ * libpng version 1.2.9beta1 - February 21, 2006
+ * Copyright (c) 1998-2005 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.)
*
* 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 1.2.8 - December 3, 2004: Glenn
+ * libpng versions 0.97, January 1998, through 1.2.9beta1 - February 21, 2006: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -111,6 +111,7 @@
* 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5
* 1.0.18 10 10018 12.so.0.1.0.18
* 1.2.8 13 10208 12.so.0.1.2.8
+ * 1.3.0beta1 14 10300 13.so.0.1.3.0beta1
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@@ -140,8 +141,8 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
- * libpng versions 1.2.6, August 15, 2004, through 1.2.8, December 3, 2004, are
- * Copyright (c) 2004 Glenn Randers-Pehrson, and are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.9beta1, February 21, 2006, are
+ * Copyright (c) 2005 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
*
@@ -252,13 +253,13 @@
* Y2K compliance in libpng:
* =========================
*
- * December 3, 2004
+ * February 21, 2006
*
* 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 1.2.8 are Y2K compliant. It is my belief that earlier
+ * upward through 1.2.9beta1 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
@@ -314,9 +315,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.8"
+#define PNG_LIBPNG_VER_STRING "1.2.9beta1"
#define PNG_HEADER_VERSION_STRING \
- " libpng version 1.2.8 - December 3, 2004 (header)\n"
+ " libpng version 1.2.9beta1 - February 21, 2006 (header)\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13
@@ -324,11 +325,11 @@
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
#define PNG_LIBPNG_VER_MAJOR 1
#define PNG_LIBPNG_VER_MINOR 2
-#define PNG_LIBPNG_VER_RELEASE 8
+#define PNG_LIBPNG_VER_RELEASE 9
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
-#define PNG_LIBPNG_VER_BUILD 0
+#define PNG_LIBPNG_VER_BUILD 1
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@@ -345,14 +346,14 @@
#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
PNG_LIBPNG_BUILD_PRIVATE */
-#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
+#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA
/* Careful here. At one time, Guy wanted to use 082, but that would be octal.
* We must not include leading zeros.
* Versions 0.7 through 1.0.0 were in the range 0 to 100 here (only
* version 1.0.0 was mis-numbered 100 instead of 10000). From
* version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */
-#define PNG_LIBPNG_VER 10208 /* 1.2.8 */
+#define PNG_LIBPNG_VER 10209 /* 1.2.9 */
#ifndef PNG_VERSION_INFO_ONLY
/* include the compression library's header */
@@ -376,14 +377,14 @@
*/
#if defined(PNG_USER_PRIVATEBUILD)
-# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE | \
- PNG_LIBPNG_BUILD_PRIVATE
+# define PNG_LIBPNG_BUILD_TYPE \
+ (PNG_LIBPNG_BUILD_BASE_TYPE | PNG_LIBPNG_BUILD_PRIVATE)
#else
# if defined(PNG_LIBPNG_SPECIALBUILD)
-# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE | \
- PNG_LIBPNG_BUILD_SPECIAL
+# define PNG_LIBPNG_BUILD_TYPE \
+ (PNG_LIBPNG_BUILD_BASE_TYPE | PNG_LIBPNG_BUILD_SPECIAL)
# else
-# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE
+# define PNG_LIBPNG_BUILD_TYPE (PNG_LIBPNG_BUILD_BASE_TYPE)
# endif
#endif
@@ -894,8 +895,10 @@
#define PNG_UINT_31_MAX ((png_uint_32)0x7fffffffL)
#define PNG_UINT_32_MAX ((png_uint_32)(-1))
#define PNG_SIZE_MAX ((png_size_t)(-1))
+#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
/* PNG_MAX_UINT is deprecated; use PNG_UINT_31_MAX instead. */
#define PNG_MAX_UINT PNG_UINT_31_MAX
+#endif
/* These describe the color_type field in png_info. */
/* color type masks */
@@ -1356,7 +1359,7 @@
/* 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_8;
+typedef png_structp version_1_2_9beta1;
typedef png_struct FAR * FAR * png_structpp;
@@ -2572,6 +2575,44 @@
#endif /* PNG_READ_COMPOSITE_NODIV_SUPPORTED */
+/* Inline macros to do direct reads of bytes from the input buffer. These
+ * require that you are using an architecture that uses PNG byte ordering
+ * (MSB first) and supports unaligned data storage. I think that PowerPC
+ * in big-endian mode and 680x0 are the only ones that will support this.
+ * The x86 line of processors definitely do not. The png_get_int_32()
+ * routine also assumes we are using two's complement format for negative
+ * values, which is almost certainly true.
+ */
+#if defined(PNG_READ_BIG_ENDIAN_SUPPORTED)
+# define png_get_uint_32(buf) ( *((png_uint_32p) (buf)))
+# define png_get_uint_16(buf) ( *((png_uint_16p) (buf)))
+# define png_get_int_32(buf) ( *((png_int_32p) (buf)))
+#else
+extern PNG_EXPORT(png_uint_32,png_get_uint_32) PNGARG((png_bytep buf));
+extern PNG_EXPORT(png_uint_16,png_get_uint_16) PNGARG((png_bytep buf));
+extern PNG_EXPORT(png_int_32,png_get_int_32) PNGARG((png_bytep buf));
+#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */
+extern PNG_EXPORT(png_uint_32,png_get_uint_31)
+ PNGARG((png_structp png_ptr, png_bytep buf));
+/* No png_get_int_16 -- may be added if there's a real need for it. */
+
+/* Place a 32-bit number into a buffer in PNG byte order (big-endian).
+ */
+extern PNG_EXPORT(void,png_save_uint_32)
+ PNGARG((png_bytep buf, png_uint_32 i));
+extern PNG_EXPORT(void,png_save_int_32)
+ PNGARG((png_bytep buf, png_int_32 i));
+
+/* Place a 16-bit number into a buffer in PNG byte order.
+ * The parameter is declared unsigned int, not png_uint_16,
+ * just to avoid potential problems on pre-ANSI C compilers.
+ */
+extern PNG_EXPORT(void,png_save_uint_16)
+ PNGARG((png_bytep buf, unsigned int i));
+/* No png_save_int_16 -- may be added if there's a real need for it. */
+
+/* ************************************************************************* */
+
/* These next functions are used internally in the code. They generally
* shouldn't be used unless you are writing code to add or replace some
* functionality in libpng. More information about most functions can
@@ -2762,31 +2803,7 @@
PNG_EXPORT_VAR (const png_byte FARDATA) png_zTXt[5];
#endif /* PNG_USE_GLOBAL_ARRAYS */
-
-/* Inline macros to do direct reads of bytes from the input buffer. These
- * require that you are using an architecture that uses PNG byte ordering
- * (MSB first) and supports unaligned data storage. I think that PowerPC
- * in big-endian mode and 680x0 are the only ones that will support this.
- * The x86 line of processors definitely do not. The png_get_int_32()
- * routine also assumes we are using two's complement format for negative
- * values, which is almost certainly true.
- */
-#if defined(PNG_READ_BIG_ENDIAN_SUPPORTED)
-# if defined(PNG_pCAL_SUPPORTED) || defined(PNG_oFFs_SUPPORTED)
-# define png_get_int_32(buf) ( *((png_int_32p) (buf)))
-# endif
-# define png_get_uint_32(buf) ( *((png_uint_32p) (buf)))
-# define png_get_uint_16(buf) ( *((png_uint_16p) (buf)))
-#else
-# if defined(PNG_pCAL_SUPPORTED) || defined(PNG_oFFs_SUPPORTED)
-PNG_EXTERN png_int_32 png_get_int_32 PNGARG((png_bytep buf));
-# endif
-PNG_EXTERN png_uint_32 png_get_uint_32 PNGARG((png_bytep buf));
-PNG_EXTERN png_uint_16 png_get_uint_16 PNGARG((png_bytep buf));
-#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */
-PNG_EXTERN png_uint_32 png_get_uint_31 PNGARG((png_structp png_ptr,
- png_bytep buf));
-
+#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
/* Initialize png_ptr struct for reading, and allocate any other memory.
* (old interface - DEPRECATED - use png_create_read_struct instead).
*/
@@ -2794,11 +2811,14 @@
#undef png_read_init
#define png_read_init(png_ptr) png_read_init_3(&png_ptr, \
PNG_LIBPNG_VER_STRING, png_sizeof(png_struct));
+#endif
extern PNG_EXPORT(void,png_read_init_3) PNGARG((png_structpp ptr_ptr,
png_const_charp user_png_ver, png_size_t png_struct_size));
+#if defined(PNG_1_0_X) || defined (PNG_1_2_X)
extern PNG_EXPORT(void,png_read_init_2) PNGARG((png_structp png_ptr,
png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t
png_info_size));
+#endif
/* Initialize png_ptr struct for writing, and allocate any other memory.
* (old interface - DEPRECATED - use png_create_write_struct instead).
@@ -2906,23 +2926,6 @@
PNG_EXTERN void png_flush PNGARG((png_structp png_ptr));
#endif
-
-/* Place a 32-bit number into a buffer in PNG byte order (big-endian).
- * The only currently known PNG chunks that use signed numbers are
- * the ancillary extension chunks, oFFs and pCAL.
- */
-PNG_EXTERN void png_save_uint_32 PNGARG((png_bytep buf, png_uint_32 i));
-
-#if defined(PNG_WRITE_pCAL_SUPPORTED) || defined(PNG_WRITE_oFFs_SUPPORTED)
-PNG_EXTERN void png_save_int_32 PNGARG((png_bytep buf, png_int_32 i));
-#endif
-
-/* Place a 16-bit number into a buffer in PNG byte order.
- * The parameter is declared unsigned int, not png_uint_16,
- * just to avoid potential problems on pre-ANSI C compilers.
- */
-PNG_EXTERN void png_save_uint_16 PNGARG((png_bytep buf, unsigned int i));
-
/* simple function to write the signature */
PNG_EXTERN void png_write_sig PNGARG((png_structp png_ptr));
