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fix miniz encoder - closes #1560

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This commit is contained in:
Dane Springmeyer 2014-06-11 22:43:05 -07:00
parent cc874364b2
commit e421403f3d
1 changed files with 5 additions and 1 deletions
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6
src/miniz_png.cpp
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@ -56,7 +56,11 @@ PNGWriter::PNGWriter(int level, int strategy)
{ {
throw std::runtime_error("compression level must be between 0 and 10"); throw std::runtime_error("compression level must be between 0 and 10");
} }
mz_uint flags = s_tdefl_num_probes[level] | (level <= 3) ? TDEFL_GREEDY_PARSING_FLAG : 0 | TDEFL_WRITE_ZLIB_HEADER; mz_uint flags = s_tdefl_num_probes[level] | TDEFL_WRITE_ZLIB_HEADER;
if (level <= 3)
{
flags |= TDEFL_GREEDY_PARSING_FLAG;
}
if (strategy == Z_FILTERED) flags |= TDEFL_FILTER_MATCHES; if (strategy == Z_FILTERED) flags |= TDEFL_FILTER_MATCHES;
else if (strategy == Z_HUFFMAN_ONLY) flags &= ~TDEFL_MAX_PROBES_MASK; else if (strategy == Z_HUFFMAN_ONLY) flags &= ~TDEFL_MAX_PROBES_MASK;
else if (strategy == Z_RLE) flags |= TDEFL_RLE_MATCHES; else if (strategy == Z_RLE) flags |= TDEFL_RLE_MATCHES;