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[libpng16] Implement eXIf chunk support

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Glenn Randers-Pehrson
2017-07-13 11:19:53 -05:00
parent 40943eb67a
commit 68cb0aaee3
17 changed files with 216 additions and 5 deletions
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5
pnginfo.h
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@@ -185,6 +185,11 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
png_byte phys_unit_type; /* resolution type (see PNG_RESOLUTION_ below) */
#endif
#ifdef PNG_eXIf_SUPPORTED
int num_exif;
png_bytep exif;
#endif
#ifdef PNG_hIST_SUPPORTED
/* The hIST chunk contains the relative frequency or importance of the
* various palette entries, so that a viewer can intelligently select a