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Added interlace handling to PNG decoder.

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libpng 1.5+ recommends a call to png_set_interlace_handling() if you use
png_read_update_info and png_read_image. It will generate a warning
without it.
This commit is contained in:
Gabe Schwartz 2013-08-29 14:32:50 -04:00
parent e2441e0034
commit b2bedef26f
1 changed files with 1 additions and 0 deletions
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modules/highgui/src/grfmt_png.cpp
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@ -277,6 +277,7 @@ bool PngDecoder::readData( Mat& img )
else
png_set_rgb_to_gray( png_ptr, 1, 0.299, 0.587 ); // RGB->Gray
png_set_interlace_handling( png_ptr );
png_read_update_info( png_ptr, info_ptr );
for( y = 0; y < m_height; y++ )