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[libpng17] Port recent zlib windowBits handling from libpng-1.6.3beta06
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@@ -2,7 +2,7 @@
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/* pnglibconf.h - library build configuration */
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/* Libpng version 1.7.0beta13 - April 30, 2013 */
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/* Libpng version 1.7.0beta13 - May 10, 2013 */
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/* Copyright (c) 1998-2013 Glenn Randers-Pehrson */
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@@ -103,7 +103,7 @@
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#define PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED
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#define PNG_SEQUENTIAL_READ_SUPPORTED
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#define PNG_SETJMP_SUPPORTED
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/*#undef PNG_SET_OPTION_SUPPORTED*/
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#define PNG_SET_OPTION_SUPPORTED
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#define PNG_SET_UNKNOWN_CHUNKS_SUPPORTED
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#define PNG_SET_USER_LIMITS_SUPPORTED
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#define PNG_SIMPLIFIED_READ_AFIRST_SUPPORTED
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@@ -200,6 +200,7 @@
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#define PNG_TEXT_Z_DEFAULT_COMPRESSION (-1)
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#define PNG_TEXT_Z_DEFAULT_STRATEGY 0
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#define PNG_WEIGHT_SHIFT 8
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#define PNG_ZLIB_VERNUM 0 /* unknown */
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#define PNG_ZBUF_SIZE 8192
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#define PNG_ZLIB_HEADER <zlib.h>
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#define PNG_Z_DEFAULT_COMPRESSION (-1)
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