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Change option (SUPPORTED) names, dummy code

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The filter selection options are made more intuitive (IMO, but I am not an
Intuitive User).  Dummy code added for methodical filter selection.

Signed-off-by: John Bowler <jbowler@acm.org>
This commit is contained in:
John Bowler
2015-12-02 19:03:28 -08:00
parent 71c5123a4d
commit 9fce04fcd6
5 changed files with 102 additions and 61 deletions
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3
pngstruct.h
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@@ -751,6 +751,9 @@ struct png_struct_def
png_compression_bufferp *zbuffer_end; /* 'next' field of current buffer */
png_uint_32 zbuffer_len; /* Length of data in list */
unsigned int zbuffer_start; /* Bytes written from start */
# ifdef PNG_SELECT_FILTER_METHODICALLY_SUPPORTED
png_voidp zbuffer_select;
# endif /* SELECT_FILTER_METHODICALLY */
# endif /* WRITE */
# ifdef PNG_READ_SUPPORTED
unsigned int zstream_ended:1; /* no more zlib output available [read] */