translators/wonderbrush/Layer.cpp

82 				uint8* dstHandle = dst;
85 						uint8 c1 = dstHandle[0] * srcHandle[0] >> 8;
86 						c1 += dstHandle[0] * (
88 									(255 - dstHandle[0])
93 						c1 = (c1 * dstHandle[3]
94 								+ srcHandle[0] * (255 - dstHandle[3])
97 						uint8 c2 = dstHandle[1] * srcHandle[1] >> 8;
98 						c2 += dstHandle[1] * (
100 									(255 - dstHandle[1])
105 						c2 = (c2 * dstHandle[3]
106 								+ srcHandle[1] * (255 - dstHandle[3])
109 						uint8 c3 = dstHandle[2] * srcHandle[2] >> 8;
110 						c3 += dstHandle[2] * (
112 									(255 - dstHandle[2])
117 						c3 = (c3 * dstHandle[3]
118 								+ srcHandle[2] * (255 - dstHandle[3])
121 						blend_colors(dstHandle,
125 					dstHandle += 4;
135 				uint8* dstHandle = dst;
140 							= (max_c(srcHandle[0], dstHandle[0]) * dstHandle[3]
141 								+ srcHandle[0] * (255 - dstHandle[3])) / 255;
143 							= (max_c(srcHandle[1], dstHandle[1]) * dstHandle[3]
144 								+ srcHandle[1] * (255 - dstHandle[3])) / 255;
146 							= (max_c(srcHandle[2], dstHandle[2]) * dstHandle[3]
147 								+ srcHandle[2] * (255 - dstHandle[3])) / 255;
148 						blend_colors(dstHandle,
152 					dstHandle += 4;
162 				uint8* dstHandle = dst;
167 							= (min_c(srcHandle[0], dstHandle[0]) * dstHandle[3]
168 								+ srcHandle[0] * (255 - dstHandle[3])) / 255;
170 							= (min_c(srcHandle[1], dstHandle[1]) * dstHandle[3]
171 								+ srcHandle[1] * (255 - dstHandle[3])) / 255;
173 							= (min_c(srcHandle[2], dstHandle[2]) * dstHandle[3]
174 								+ srcHandle[2] * (255 - dstHandle[3])) / 255;
175 						blend_colors(dstHandle,
179 					dstHandle += 4;
189 				uint8* dstHandle = dst;
194 						dstHandle[2] = (srcHandle[2] * alpha
195 								+ dstHandle[2] * (65025 - alpha)) / 65025;
198 					dstHandle += 4;
208 				uint8* dstHandle = dst;
213 						dstHandle[1] = (srcHandle[1] * alpha
214 								+ dstHandle[1] * (65025 - alpha)) / 65025;
217 					dstHandle += 4;
227 				uint8* dstHandle = dst;
232 						dstHandle[0] = (srcHandle[0] * alpha
233 								+ dstHandle[0] * (65025 - alpha)) / 65025;
236 					dstHandle += 4;
246 				uint8* dstHandle = dst;
249 					uint8 temp = min_c(dstHandle[3], 255 - srcHandle[3]);
250 					dstHandle[3] = (
251 							dstHandle[3] * (255 - alphaOverride)
255 					dstHandle += 4;
265 				uint8* dstHandle = dst;
268 					uint8 temp = min_c(dstHandle[3], srcHandle[3]);
269 					dstHandle[3] = (
270 							dstHandle[3] * (255 - alphaOverride)
274 					dstHandle += 4;
284 				uint8* dstHandle = dst;
288 						uint8 r = dstHandle[2];
289 						uint8 g = dstHandle[1];
290 						uint8 b = dstHandle[0];
291 						uint8 alpha = dstHandle[3];
294 						blend_colors(dstHandle,
296 						dstHandle[3] = alpha;
299 					dstHandle += 4;
309 				uint8* dstHandle = dst;
314 								(((255 - srcHandle[0]) * (255 - dstHandle[0]))
315 									/ 255) * dstHandle[3]
316 								+ (255 - srcHandle[0]) * (255 - dstHandle[3])
319 								(((255 - srcHandle[1]) * (255 - dstHandle[1]))
320 									/ 255) * dstHandle[3]
321 								+ (255 - srcHandle[1]) * (255 - dstHandle[3])
324 								(((255 - srcHandle[2]) * (255 - dstHandle[2]))
325 									/ 255) * dstHandle[3]
326 								+ (255 - srcHandle[2]) * (255 - dstHandle[3])
328 						blend_colors(dstHandle,
332 					dstHandle += 4;
342 				uint8* dstHandle = dst;
347 								((srcHandle[0] * dstHandle[0]) / 255)
348 									* dstHandle[3]
349 								+ srcHandle[0] * (255 - dstHandle[3])
352 								((srcHandle[1] * dstHandle[1]) / 255)
353 									* dstHandle[3]
354 								+ srcHandle[1] * (255 - dstHandle[3])
357 								((srcHandle[2] * dstHandle[2]) / 255)
358 									* dstHandle[3]
359 								+ srcHandle[2] * (255 - dstHandle[3])
361 						blend_colors(dstHandle,
365 					dstHandle += 4;
378 					uint8* dstHandle = dst;
380 						blend_colors(dstHandle, srcHandle);
382 						dstHandle += 4;
390 					uint8* dstHandle = dst;
392 						blend_colors(dstHandle, srcHandle, alphaOverride);
394 						dstHandle += 4;