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neutrino: fix png alpha channel with older libpng

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git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@292 e54a6e83-5905-42d5-8d5c-058d10e6a962
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seife
2010-02-07 14:45:36 +00:00
parent 8f59cc96ec
commit e8b2fef1b9
1 changed files with 4 additions and 2 deletions
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6
src/driver/pictureviewer/png.cpp
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@@ -80,9 +80,11 @@ int fh_png_load(const char *name,unsigned char **buffer,int* /*xp*/,int* /*yp*/)
/* this test does not trigger for 8bit-paletted PNGs with newer libpng (1.2.40 at least), /* this test does not trigger for 8bit-paletted PNGs with newer libpng (1.2.40 at least),
but the data delivered is with alpha channel anyway, so always strip alpha for now but the data delivered is with alpha channel anyway, so always strip alpha for now
if (color_type & PNG_COLOR_MASK_ALPHA)
*/ */
png_set_strip_alpha(png_ptr); #if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR <= 2 && PNG_LIBPNG_VER_RELEASE < 40
if (color_type & PNG_COLOR_MASK_ALPHA)
#endif
png_set_strip_alpha(png_ptr);
if (bit_depth < 8) if (bit_depth < 8)
png_set_packing(png_ptr); png_set_packing(png_ptr);