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[devel] Removed the ACCURATE and LEGACY options (they are no longer useable)

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Fixed some compiliation problems with scaling options.
This commit is contained in:
John Bowler
2011-06-14 06:17:26 -05:00
committed by Glenn Randers-Pehrson
parent 413138a5ca
commit 550bab03fb
18 changed files with 85 additions and 21 deletions
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4
pngrtran.c
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@@ -1453,11 +1453,7 @@ png_init_read_transformations(png_structp png_ptr)
* The PNG_BACKGROUND_EXPAND code above does not expand to 16 bits at
* present, so that case is ok (until do_expand_16 is moved.)
*/
#ifdef PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED
# define CHOP(x) (x)=((png_uint_16)(((png_uint_32)(x)*255+32895) >> 16))
#else
# define CHOP(x) ((png_uint_16)((2*(png_uint_32)(x) + 257)/514))
#endif
CHOP(png_ptr->background.red);
CHOP(png_ptr->background.green);
CHOP(png_ptr->background.blue);