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Use more accurate bit depth reduction for PNG images

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This commit is contained in:
Dmitrij D. Czarkoff 2016-08-15 14:32:17 +02:00
parent b0fc6bfd5f
commit 2e3e80c1ee
1 changed files with 1 additions and 1 deletions
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2
tests/dbgutil.c
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@ -233,7 +233,7 @@ int load_png(struct quirc *q, const char *filename)
png_set_tRNS_to_alpha(png_ptr);
if (bit_depth == 16)
png_set_strip_16(png_ptr);
png_set_scale_16(png_ptr);
if (color_type & PNG_COLOR_MASK_ALPHA)
png_set_strip_alpha(png_ptr);