Update libpng to 1.2.35.

Review URL: http://codereview.chromium.org/27005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10118 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 87 insertions, 18 deletions

diff --git a/third_party/libpng/png.h b/third_party/libpng/png.h
index 7faa021..1de4ddd 100644
--- a/third_party/libpng/png.h
+++ b/third_party/libpng/png.h
@@ -1,14 +1,14 @@
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.33 - October 31, 2008
- * Copyright (c) 1998-2008 Glenn Randers-Pehrson
+ * libpng version 1.2.35 - February 14, 2009
+ * Copyright (c) 1998-2009 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 1.2.33 - October 31, 2008: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.35 - February 14, 2009: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -212,6 +212,16 @@
  *    1.0.41rc01              10    10041  10.so.0.41[.0]
  *    1.2.33                  13    10233  12.so.0.33[.0]
  *    1.0.41                  10    10041  10.so.0.41[.0]
+ *    1.2.34beta01-07         13    10234  12.so.0.34[.0]
+ *    1.0.42rc01              10    10042  10.so.0.42[.0]
+ *    1.2.34rc01              13    10234  12.so.0.34[.0]
+ *    1.0.42                  10    10042  10.so.0.42[.0]
+ *    1.2.34                  13    10234  12.so.0.34[.0]
+ *    1.2.35beta01-03         13    10235  12.so.0.35[.0]
+ *    1.0.43rc01-02           10    10043  10.so.0.43[.0]
+ *    1.2.35rc01-02           13    10235  12.so.0.35[.0]
+ *    1.0.43                  10    10043  10.so.0.43[.0]
+ *    1.2.35                  13    10235  12.so.0.35[.0]
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -241,7 +251,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.33, October 31, 2008, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.35, February 14, 2009, are
  * Copyright (c) 2004, 2006-2008 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:
@@ -353,13 +363,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    October 31, 2008
+ *    February 14, 2009
  *
  *    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 1.2.33 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.35 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
@@ -415,9 +425,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.33"
+#define PNG_LIBPNG_VER_STRING "1.2.35"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.33 - October 31, 2008\n"
+   " libpng version 1.2.35 - February 14, 2009\n"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13
@@ -425,7 +435,7 @@
 /* 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 33
+#define PNG_LIBPNG_VER_RELEASE 35
 /* This should match the numeric part of the final component of
  * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
 
@@ -453,7 +463,7 @@
  * 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 10233 /* 1.2.33 */
+#define PNG_LIBPNG_VER 10235 /* 1.2.35 */
 
 #ifndef PNG_VERSION_INFO_ONLY
 /* include the compression library's header */
@@ -1154,7 +1164,10 @@ typedef void (PNGAPI *png_unknown_chunk_ptr) PNGARG((png_structp));
 #define PNG_TRANSFORM_SWAP_ALPHA     0x0100    /* read and write */
 #define PNG_TRANSFORM_SWAP_ENDIAN    0x0200    /* read and write */
 #define PNG_TRANSFORM_INVERT_ALPHA   0x0400    /* read and write */
-#define PNG_TRANSFORM_STRIP_FILLER   0x0800    /* WRITE only */
+#define PNG_TRANSFORM_STRIP_FILLER   0x0800    /* WRITE only, deprecated */
+/* Added to libpng-1.2.34 */
+#define PNG_TRANSFORM_STRIP_FILLER_BEFORE 0x0800  /* WRITE only */
+#define PNG_TRANSFORM_STRIP_FILLER_AFTER  0x1000  /* WRITE only */
 
 /* Flags for MNG supported features */
 #define PNG_FLAG_MNG_EMPTY_PLTE     0x01
@@ -1474,7 +1487,7 @@ struct png_struct_def
 /* 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_33;
+typedef png_structp version_1_2_35;
 
 typedef png_struct FAR * FAR * png_structpp;
 
@@ -2526,33 +2539,80 @@ extern PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr,
 #if !defined(PNG_DEBUG_FILE) && defined(_MSC_VER)
 #include <crtdbg.h>
 #if (PNG_DEBUG > 1)
-#define png_debug(l,m)  _RPT0(_CRT_WARN,m)
-#define png_debug1(l,m,p1)  _RPT1(_CRT_WARN,m,p1)
-#define png_debug2(l,m,p1,p2) _RPT2(_CRT_WARN,m,p1,p2)
+#ifndef _DEBUG
+#  define _DEBUG
+#endif
+#ifndef png_debug
+#define png_debug(l,m)  _RPT0(_CRT_WARN,m PNG_STRING_NEWLINE)
+#endif
+#ifndef png_debug1
+#define png_debug1(l,m,p1)  _RPT1(_CRT_WARN,m PNG_STRING_NEWLINE,p1)
+#endif
+#ifndef png_debug2
+#define png_debug2(l,m,p1,p2) _RPT2(_CRT_WARN,m PNG_STRING_NEWLINE,p1,p2)
+#endif
 #endif
 #else /* PNG_DEBUG_FILE || !_MSC_VER */
 #ifndef PNG_DEBUG_FILE
 #define PNG_DEBUG_FILE stderr
 #endif /* PNG_DEBUG_FILE */
 #if (PNG_DEBUG > 1)
+#ifndef png_debug
+/* Note: ["%s"m PNG_STRING_NEWLINE] probably does not work on
+ * non-ISO compilers */
+#ifdef __STDC__
 #define png_debug(l,m) \
 { \
      int num_tabs=l; \
-     fprintf(PNG_DEBUG_FILE,"%s"m,(num_tabs==1 ? "\t" : \
+     fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
        (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":"")))); \
 }
+#endif
+#ifndef png_debug1
 #define png_debug1(l,m,p1) \
 { \
      int num_tabs=l; \
-     fprintf(PNG_DEBUG_FILE,"%s"m,(num_tabs==1 ? "\t" : \
+     fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
        (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1); \
 }
+#endif
+#ifndef png_debug2
 #define png_debug2(l,m,p1,p2) \
 { \
      int num_tabs=l; \
-     fprintf(PNG_DEBUG_FILE,"%s"m,(num_tabs==1 ? "\t" : \
+     fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
        (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1,p2); \
 }
+#endif
+#else /* __STDC __ */
+#ifndef png_debug
+#define png_debug(l,m) \
+     int num_tabs=l; \
+     char format[256]; \
+     snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
+       (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
+       m,PNG_STRING_NEWLINE); \
+     fprintf(PNG_DEBUG_FILE,format);
+#endif
+#ifndef png_debug1
+#define png_debug1(l,m,p1) \
+     int num_tabs=l; \
+     char format[256]; \
+     snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
+       (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
+       m,PNG_STRING_NEWLINE); \
+     fprintf(PNG_DEBUG_FILE,format,p1);
+#endif
+#ifndef png_debug2
+#define png_debug2(l,m,p1,p2) \
+     int num_tabs=l; \
+     char format[256]; \
+     snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
+       (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
+       m,PNG_STRING_NEWLINE); \
+     fprintf(PNG_DEBUG_FILE,format,p1,p2);
+#endif
+#endif /* __STDC __ */
 #endif /* (PNG_DEBUG > 1) */
 #endif /* _MSC_VER */
 #endif /* (PNG_DEBUG > 0) */
@@ -3584,6 +3644,15 @@ png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type));
 /* Read the chunk header (length + type name) */
 PNG_EXTERN png_uint_32 png_read_chunk_header PNGARG((png_structp png_ptr));
 
+/* Added at libpng version 1.2.34 */
+#if defined(PNG_cHRM_SUPPORTED)
+PNG_EXTERN int png_check_cHRM_fixed  PNGARG((png_structp png_ptr,
+   png_fixed_point int_white_x, png_fixed_point int_white_y,
+   png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point
+   int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x,
+   png_fixed_point int_blue_y));
+#endif
+
 /* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */
 
 #endif /* PNG_INTERNAL */