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[devel] Relocated various UNKNOWN_CHUNK macros

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outside of the PNG_READ|WRITE_ANCILLARY_CHUNK_SUPPORTED blocks, where
they did not really belong.  Updated CHANGES and ANNOUNCE.
This commit is contained in:
Glenn Randers-Pehrson 2009-06-16 16:24:57 -05:00
parent 33188acf8f
commit 658ea4304e
3 changed files with 30 additions and 22 deletions
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6
ANNOUNCE
View File

@ -473,7 +473,7 @@ version 1.4.0beta62 [June 2, 2009]
Added a section to the libpng documentation about using png_get_io_ptr()
in configure scripts to detect the presence of libpng.
version 1.4.0beta63 [June 16, 2009]
version 1.4.0beta63 [June 15, 2009]
Revised libpng*.txt and libpng.3 to mention calling png_set_IHDR()
multiple times and to specify the sample order in the tRNS chunk,
because the ISO PNG specification has a typo in the tRNS table.
@ -482,7 +482,11 @@ version 1.4.0beta63 [June 16, 2009]
available for ignoring known chunks even when not saving unknown chunks.
Adopted preference for consistent use of "#ifdef" and "#ifndef" versus
"#if defined()" and "if !defined()" where possible.
version 1.4.0beta64 [June 16, 2009]
Eliminated PNG_LEGACY_SUPPORTED code.
Moved the various unknown chunk macro definitions outside of the
PNG_READ|WRITE_ANCILLARY_CHUNK_SUPPORTED blocks.
version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm.

6
CHANGES
View File

@ -2150,7 +2150,7 @@ version 1.4.0beta62 [June 2, 2009]
Added a section to the libpng documentation about using png_get_io_ptr()
in configure scripts to detect the presence of libpng.
version 1.4.0beta63 [June 16, 2009]
version 1.4.0beta63 [June 15, 2009]
Revised libpng*.txt and libpng.3 to mention calling png_set_IHDR()
multiple times and to specify the sample order in the tRNS chunk,
because the ISO PNG specification has a typo in the tRNS table.
@ -2160,8 +2160,10 @@ version 1.4.0beta63 [June 16, 2009]
Adopted preference for consistent use of "#ifdef" and "#ifndef" versus
"#if defined()" and "if !defined()" where possible.
version 1.4.0beta63 [June 16, 2009]
version 1.4.0beta64 [June 16, 2009]
Eliminated PNG_LEGACY_SUPPORTED code.
Moved the various unknown chunk macro definitions outside of the
PNG_READ|WRITE_ANCILLARY_CHUNK_SUPPORTED blocks.
version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm.

40
pngconf.h
View File

@ -819,6 +819,17 @@
# define PNG_READ_zTXt_SUPPORTED
# define PNG_zTXt_SUPPORTED
#endif
#ifndef PNG_NO_READ_OPT_PLTE
# define PNG_READ_OPT_PLTE_SUPPORTED /* only affects support of the */
#endif /* optional PLTE chunk in RGB and RGBA images */
#if defined(PNG_READ_iTXt_SUPPORTED) || defined(PNG_READ_tEXt_SUPPORTED) || \
defined(PNG_READ_zTXt_SUPPORTED)
# define PNG_READ_TEXT_SUPPORTED
# define PNG_TEXT_SUPPORTED
#endif
#endif /* PNG_READ_ANCILLARY_CHUNKS_SUPPORTED */
#ifndef PNG_NO_READ_UNKNOWN_CHUNKS
# define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
# ifndef PNG_UNKNOWN_CHUNKS_SUPPORTED
@ -841,16 +852,6 @@
# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
# endif
#endif
#ifndef PNG_NO_READ_OPT_PLTE
# define PNG_READ_OPT_PLTE_SUPPORTED /* only affects support of the */
#endif /* optional PLTE chunk in RGB and RGBA images */
#if defined(PNG_READ_iTXt_SUPPORTED) || defined(PNG_READ_tEXt_SUPPORTED) || \
defined(PNG_READ_zTXt_SUPPORTED)
# define PNG_READ_TEXT_SUPPORTED
# define PNG_TEXT_SUPPORTED
#endif
#endif /* PNG_READ_ANCILLARY_CHUNKS_SUPPORTED */
#ifdef PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
@ -963,6 +964,16 @@
# define PNG_zTXt_SUPPORTED
# endif
#endif
#if defined(PNG_WRITE_iTXt_SUPPORTED) || defined(PNG_WRITE_tEXt_SUPPORTED) || \
defined(PNG_WRITE_zTXt_SUPPORTED)
# define PNG_WRITE_TEXT_SUPPORTED
# ifndef PNG_TEXT_SUPPORTED
# define PNG_TEXT_SUPPORTED
# endif
#endif
#endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */
#ifndef PNG_NO_WRITE_UNKNOWN_CHUNKS
# define PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
# ifndef PNG_UNKNOWN_CHUNKS_SUPPORTED
@ -974,15 +985,6 @@
# define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
# endif
#endif
#if defined(PNG_WRITE_iTXt_SUPPORTED) || defined(PNG_WRITE_tEXt_SUPPORTED) || \
defined(PNG_WRITE_zTXt_SUPPORTED)
# define PNG_WRITE_TEXT_SUPPORTED
# ifndef PNG_TEXT_SUPPORTED
# define PNG_TEXT_SUPPORTED
# endif
#endif
#endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */
/* Turn this off to disable png_read_png() and
* png_write_png() and leave the row_pointers member