[libpng16] Enclosed the new png_get_palette_max

in #ifdef PNG_GET_PALETTE_MAX_SUPPORTED block, and revised pnglibconf.h
and pnglibconf.h.prebuilt accordingly.

ANNOUNCE

 
-Libpng 1.6.0rc07 - February 9, 2013
+Libpng 1.6.0rc07 - February 10, 2013
 
 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.
@@ -617,7 +617,9 @@ Version 1.6.0rc06 [February 9, 2013]
     build pngprefix.h and pnglibconf.h, often the error goes unnoticed
     because there is a system pnglibconf.h to use instead.
 
-Version 1.6.0rc07 [February 9, 2013]
+Version 1.6.0rc07 [February 10, 2013]
+  Enclosed the new png_get_palette_max in #ifdef PNG_GET_PALETTE_MAX_SUPPORTED
+    block, and revised pnglibconf.h and pnglibconf.h.prebuilt accordingly.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

CHANGES

@@ -4371,7 +4371,9 @@ Version 1.6.0rc06 [February 9, 2013]
     build pngprefix.h and pnglibconf.h, often the error goes unnoticed
     because there is a system pnglibconf.h to use instead.
 
-Version 1.6.0rc07 [February 9, 2013]
+Version 1.6.0rc07 [February 10, 2013]
+  Enclosed the new png_get_palette_max in #ifdef PNG_GET_PALETTE_MAX_SUPPORTED
+    block, and revised pnglibconf.h and pnglibconf.h.prebuilt accordingly.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

png.h

 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.6.0rc07 - February 9, 2013
+ * libpng version 1.6.0rc07 - February 10, 2013
  * Copyright (c) 1998-2013 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.)
@@ -11,7 +11,7 @@
  * 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 1.6.0rc07 - February 9, 2013: Glenn
+ *   libpng versions 0.97, January 1998, through 1.6.0rc07 - February 10, 2013: Glenn
  *   See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -199,7 +199,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.6.0rc07, February 9, 2013, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.6.0rc07, February 10, 2013, are
  * Copyright (c) 2004, 2006-2013 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:
@@ -311,7 +311,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    February 9, 2013
+ *    February 10, 2013
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -379,7 +379,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.6.0rc07"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.6.0rc07 - February 9, 2013\n"
+     " libpng version 1.6.0rc07 - February 10, 2013\n"
 
 #define PNG_LIBPNG_VER_SONUM   16
 #define PNG_LIBPNG_VER_DLLNUM  16
@@ -3203,12 +3203,15 @@ PNG_EXPORT(240, int, png_image_write_to_stdio, (png_imagep image, FILE *file,
     defined(PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED)
 PNG_EXPORT(242, void, png_set_check_for_invalid_index,
     (png_structrp png_ptr, int allowed));
+#if defined(PNG_READ_GET_PALETTE_MAX_SUPPORTED) || \
+    defined(PNG_READ_GET_PALETTE_MAX_SUPPORTED)
 PNG_EXPORT(243, int, png_get_palette_max, (png_const_structp png_ptr,
     png_const_infop info_ptr));
 #endif
+#endif
 
 /* Maintainer: Put new public prototypes here ^, in libpng.3, and project
- * defs
+ * defs, scripts/pnglibconf.h, and scripts/pnglibconf.h.prebuilt
  */
 
 /* The last ordinal number (this is the *last* one already used; the next

pngget.c

@@ -1162,6 +1162,7 @@ png_get_io_chunk_type (png_const_structrp png_ptr)
 #endif /* ?PNG_IO_STATE_SUPPORTED */
 
 #ifdef PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED
+#ifdef PNG_GET_PALETTE_MAX_SUPPORTED
 int PNGAPI
 png_get_palette_max(png_const_structp png_ptr, png_const_infop info_ptr)
 {
@@ -1171,5 +1172,6 @@ png_get_palette_max(png_const_structp png_ptr, png_const_infop info_ptr)
    return (-1);
 }
 #endif
+#endif
 
 #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */

scripts/pnglibconf.dfa

@@ -777,6 +777,12 @@ option CHECK_FOR_INVALID_INDEX enables WRITE_CHECK_FOR_INVALID_INDEX
 option READ_CHECK_FOR_INVALID_INDEX requires READ CHECK_FOR_INVALID_INDEX
 option WRITE_CHECK_FOR_INVALID_INDEX requires WRITE CHECK_FOR_INVALID_INDEX
 
+# added at libpng-1.5.15
+option GET_PALETTE_MAX enables READ_GET_PALETTE_MAX
+option GET_PALETTE_MAX enables WRITE_GET_PALETTE_MAX
+option READ_GET_PALETTE_MAX requires CHECK_FOR_INVALID_INDEX
+option WRITE_GET_PALETTE_MAX requires CHECK_FOR_INVALID_INDEX
+
 # Simplified API options (added at libpng-1.6.0)
 # Read:
 option SIMPLIFIED_READ requires SEQUENTIAL_READ READ_TRANSFORMS SETJMP

scripts/pnglibconf.h.prebuilt

@@ -3,7 +3,7 @@
 
 /* pnglibconf.h - library build configuration */
 
-/* Libpng 1.6.0rc07 - February 9, 2013 */
+/* Libpng 1.6.0rc07 - February 10, 2013 */
 
 /* Copyright (c) 1998-2013 Glenn Randers-Pehrson */
 
@@ -65,6 +65,7 @@
 #define PNG_FORMAT_BGR_SUPPORTED
 #define PNG_gAMA_SUPPORTED
 #define PNG_GAMMA_SUPPORTED
+#define PNG_GET_PALETTE_MAX_SUPPORTED
 #define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
 #define PNG_hIST_SUPPORTED
 #define PNG_iCCP_SUPPORTED
@@ -93,6 +94,7 @@
 #define PNG_READ_FILLER_SUPPORTED
 #define PNG_READ_gAMA_SUPPORTED
 #define PNG_READ_GAMMA_SUPPORTED
+#define PNG_READ_GET_PALETTE_MAX_SUPPORTED
 #define PNG_READ_GRAY_TO_RGB_SUPPORTED
 #define PNG_READ_hIST_SUPPORTED
 #define PNG_READ_iCCP_SUPPORTED
@@ -174,6 +176,7 @@
 #define PNG_WRITE_FILTER_SUPPORTED
 #define PNG_WRITE_FLUSH_SUPPORTED
 #define PNG_WRITE_gAMA_SUPPORTED
+#define PNG_WRITE_GET_PALETTE_MAX_SUPPORTED
 #define PNG_WRITE_hIST_SUPPORTED
 #define PNG_WRITE_iCCP_SUPPORTED
 #define PNG_WRITE_INTERLACING_SUPPORTED