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[devel] Re-initialize the zlib compressor before compressing non-IDAT chunks.

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This commit is contained in:
Glenn Randers-Pehrson
2011-03-31 20:14:29 -05:00
parent dcc3505c7b
commit 6b3d50b2cd
9 changed files with 239 additions and 91 deletions
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14
pngpriv.h
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@@ -345,13 +345,13 @@ typedef PNG_CONST png_uint_16p FAR * png_const_uint_16pp;
/* 0x200000L unused */
/* 0x400000L unused */
#define PNG_FLAG_BENIGN_ERRORS_WARN 0x800000L /* Added to libpng-1.4.0 */
/* 0x1000000L unused */
/* 0x2000000L unused */
/* 0x4000000L unused */
/* 0x8000000L unused */
/* 0x10000000L unused */
/* 0x20000000L unused */
/* 0x40000000L unused */
#define PNG_FLAG_ZTXT_CUSTOM_STRATEGY 0x1000000L /* 5 lines added */
#define PNG_FLAG_ZTXT_CUSTOM_LEVEL 0x2000000L /* to libpng-1.5.2 */
#define PNG_FLAG_ZTXT_CUSTOM_MEM_LEVEL 0x4000000L
#define PNG_FLAG_ZTXT_CUSTOM_WINDOW_BITS 0x8000000L
#define PNG_FLAG_ZTXT_CUSTOM_METHOD 0x10000000L
/* 0x20000000L unused */
/* 0x40000000L unused */
#define PNG_FLAG_CRC_ANCILLARY_MASK (PNG_FLAG_CRC_ANCILLARY_USE | \
PNG_FLAG_CRC_ANCILLARY_NOWARN)