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[libpng17] Removed some unused WEIGHTED_FILTER macros from png.h and pngstruct.h

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Glenn Randers-Pehrson
2015-06-10 07:02:36 -05:00
parent 24382d838c
commit 8ffa92dc25
4 changed files with 7 additions and 23 deletions
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10
pngstruct.h
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@@ -307,16 +307,6 @@ struct png_struct_def
png_uint_32 flush_rows; /* number of rows written since last flush */
#endif
#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
png_bytep prev_filters; /* filter type(s) of previous row(s) */
png_uint_16p filter_weights; /* weight(s) for previous line(s) */
png_uint_16p inv_filter_weights; /* 1/weight(s) for previous line(s) */
png_uint_16p filter_costs; /* relative filter calculation cost */
png_uint_16p inv_filter_costs; /* 1/relative filter calculation cost */
png_byte heuristic_method; /* heuristic for row filter selection */
png_byte num_prev_filters; /* number of weights for previous rows */
#endif
#ifdef PNG_WRITE_SUPPORTED
png_byte usr_bit_depth; /* bit depth of users row */
png_byte usr_channels; /* channels at start of write */