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[libpng17] Update comment in png_init_filter_functions()

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Glenn Randers-Pehrson 2013-08-21 17:53:15 -05:00
parent 157e0649e0
commit 8e23262b2b
1 changed files with 2 additions and 1 deletions
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3
pngrutil.c
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@ -3840,7 +3840,8 @@ png_read_filter_row_paeth_multibyte_pixel(png_row_infop row_info, png_bytep row,
static void
png_init_filter_functions(png_structrp pp)
/* This function is called once for every PNG image to set the
/* This function is called once for every PNG image (except for PNG images
* that only use PNG_FILTER_VALUE_NONE for all rows) to set the
* implementations required to reverse the filtering of PNG rows. Reversing
* the filter is the first transformation performed on the row data. It is
* performed in place, therefore an implementation can be selected based on