wonderbrush/support/blending.h

29 extern uint16* kGammaTable;
37 blend_gamma(uint16 b1, uint16 b2, uint16 b3, uint8 ba,	// bottom components
38 			uint16 t1, uint16 t2, uint16 t3, uint8 ta,	// top components
66 	uint16 gt1 = kGammaTable[t1];
67 	uint16 gt2 = kGammaTable[t2];
68 	uint16 gt3 = kGammaTable[t3];
70 	uint16 gb1 = kGammaTable[b1];
71 	uint16 gb2 = kGammaTable[b2];
72 	uint16 gb3 = kGammaTable[b3];
82 // and can be passed on to the other functions that take uint16 components
83 uint16
90 				  uint16 gc1, uint16 gc2, uint16 gc3)
100 			uint16 gb1 = kGammaTable[bottom[0]];
101 			uint16 gb2 = kGammaTable[bottom[1]];
102 			uint16 gb3 = kGammaTable[bottom[2]];
117 			 uint16 gc1, uint16 gc2, uint16 gc3)
127 			uint16 gb1 = kGammaTable[bottom[0]];
128 			uint16 gb2 = kGammaTable[bottom[1]];
129 			uint16 gb3 = kGammaTable[bottom[2]];
242 			uint16 t1 = kGammaTable[top[0]];
243 			uint16 t2 = kGammaTable[top[1]];
244 			uint16 t3 = kGammaTable[top[2]];
245 			uint16 b1 = kGammaTable[bottom[0]];
246 			uint16 b2 = kGammaTable[bottom[1]];
247 			uint16 b3 = kGammaTable[bottom[2]];
271 			uint16 t1 = kGammaTable[top[0]];
272 			uint16 t2 = kGammaTable[top[1]];
273 			uint16 t3 = kGammaTable[top[2]];
274 			uint16 b1 = kGammaTable[bottom[0]];
275 			uint16 b2 = kGammaTable[bottom[1]];
276 			uint16 b3 = kGammaTable[bottom[2]];
306 			uint16 t1 = kGammaTable[top[0]];
307 			uint16 t2 = kGammaTable[top[1]];
308 			uint16 t3 = kGammaTable[top[2]];
309 			uint16 b1 = kGammaTable[bottom[0]];
310 			uint16 b2 = kGammaTable[bottom[1]];
311 			uint16 b3 = kGammaTable[bottom[2]];
336 			uint16 t1 = kGammaTable[top[0]];
337 			uint16 t2 = kGammaTable[top[1]];
338 			uint16 t3 = kGammaTable[top[2]];
339 			uint16 b1 = kGammaTable[bottom[0]];
340 			uint16 b2 = kGammaTable[bottom[1]];
341 			uint16 b3 = kGammaTable[bottom[2]];