Lines Matching full:composite
1217 * If you just need to composite the PNG image onto an existing background
2541 # define png_composite(composite, fg, alpha, bg) \
2547 (composite) = (png_byte)(((temp + (temp >> 8)) >> 8) & 0xff); \
2550 # define png_composite_16(composite, fg, alpha, bg) \
2556 (composite) = (png_uint_16)(0xffff & ((temp + (temp >> 16)) >> 16)); \
2561 # define png_composite(composite, fg, alpha, bg) \
2562 (composite) = \
2567 # define png_composite_16(composite, fg, alpha, bg) \
2568 (composite) = \
