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[devel] Moved macro definitions for PNG_HAVE_IHDR, PNG_HAVE_PLTE, and

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PNG_AFTER_IDAT from pngpriv.h to png.h because they must be visible to
applications that call png_set_unknown_chunks().
This commit is contained in:
Glenn Randers-Pehrson
2011-05-10 23:48:00 -05:00
parent f70c7d02e9
commit 2d3fc1ca3b
6 changed files with 31 additions and 14 deletions
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9
png.h
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@@ -665,12 +665,21 @@ typedef struct png_unknown_chunk_t
/* libpng-using applications should NOT directly modify this byte. */
png_byte location; /* mode of operation at read time */
}
/* Values for the unknown chunk location byte */
#define PNG_HAVE_IHDR 0x01
#define PNG_HAVE_PLTE 0x02
#define PNG_AFTER_IDAT 0x08
png_unknown_chunk;
typedef png_unknown_chunk FAR * png_unknown_chunkp;
typedef PNG_CONST png_unknown_chunk FAR * png_const_unknown_chunkp;
typedef png_unknown_chunk FAR * FAR * png_unknown_chunkpp;
#endif
/* The complete definition of png_info has, as of libpng-1.5.0,
* been moved into a separate header file that is not accessible to
* applications. Read libpng-manual.txt or libpng.3 for more info.