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[devel] Changed "v" to "(v)" and "65535" to "65535L" in the new macros.

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This commit is contained in:
Glenn Randers-Pehrson 2009-11-24 08:40:44 -06:00
parent 768429bbc1
commit ec29c6507b
1 changed files with 6 additions and 6 deletions
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12
png.h
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@ -2476,11 +2476,11 @@ extern PNG_EXPORT(png_bytep,png_get_io_chunk_name)
#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED
#define PNG_DIVIDE_BY_255(v) \
((png_byte)(((png_uint_16)v + \
(((png_uint_16)v + 128) >> 8) + 128) >> 8))
((png_byte)(((png_uint_16)(v) + \
(((png_uint_16)(v) + 128) >> 8) + 128) >> 8))
#define PNG_DIVIDE_BY_65535(v) \
((png_byte)(((png_uint_32)v + \
(((png_uint_32)v + 32768L) >> 16) + 32768L) >> 16))
((png_byte)(((png_uint_32)(v) + \
(((png_uint_32)(v) + 32768L) >> 16) + 32768L) >> 16))
#endif
#else /* Standard method using integer division */
@ -2495,8 +2495,8 @@ extern PNG_EXPORT(png_bytep,png_get_io_chunk_name)
(png_uint_32)(bg)*(png_uint_32)(65535L - (png_uint_32)(alpha)) + \
(png_uint_32)32767) / (png_uint_32)65535L)
#define PNG_DIVIDE_BY_255(v) (((png_uint_16)v)/255)
#define PNG_DIVIDE_BY_65535(v) ((png_uint_32)v)/65535)
#define PNG_DIVIDE_BY_255(v) (((png_uint_16)(v))/255)
#define PNG_DIVIDE_BY_65535(v) ((png_uint_32)(v))/65535L)
#endif /* PNG_READ_COMPOSITE_NODIV_SUPPORTED */
#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED