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[devel] Use a mode bit to avoid reopening the zstream except when necessary.

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Glenn Randers-Pehrson
2011-03-31 22:06:04 -05:00
parent ed8aab4d85
commit f83783115f
2 changed files with 45 additions and 33 deletions
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pngpriv.h
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@@ -277,6 +277,7 @@ typedef PNG_CONST png_uint_16p FAR * png_const_uint_16pp;
#define PNG_BACKGROUND_IS_GRAY 0x800
#define PNG_HAVE_PNG_SIGNATURE 0x1000
#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
#define PNG_ZLIB_READY_FOR_ZTXT 0x4000 /* 1: ready for ZTXT; 0: for IDAT */
/* Flags for the transformations the PNG library does on the image data */
#define PNG_BGR 0x0001