Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(336)

Side by Side Diff: core/src/fxge/dib/fx_dib_composite.cpp

Issue 1800523005: Move core/src/ up to core/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « core/src/fxge/dib/dib_int.h ('k') | core/src/fxge/dib/fx_dib_convert.cpp » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "core/include/fxcodec/fx_codec.h"
8 #include "core/include/fxge/fx_ge.h"
9 #include "core/src/fxge/dib/dib_int.h"
10
11 const uint8_t _color_sqrt[256] = {
12 0x00, 0x03, 0x07, 0x0B, 0x0F, 0x12, 0x16, 0x19, 0x1D, 0x20, 0x23, 0x26,
13 0x29, 0x2C, 0x2F, 0x32, 0x35, 0x37, 0x3A, 0x3C, 0x3F, 0x41, 0x43, 0x46,
14 0x48, 0x4A, 0x4C, 0x4E, 0x50, 0x52, 0x54, 0x56, 0x57, 0x59, 0x5B, 0x5C,
15 0x5E, 0x60, 0x61, 0x63, 0x64, 0x65, 0x67, 0x68, 0x69, 0x6B, 0x6C, 0x6D,
16 0x6E, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A,
17 0x7B, 0x7C, 0x7D, 0x7E, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
18 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x91,
19 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C,
20 0x9C, 0x9D, 0x9E, 0x9F, 0xA0, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA4, 0xA5,
21 0xA6, 0xA7, 0xA7, 0xA8, 0xA9, 0xAA, 0xAA, 0xAB, 0xAC, 0xAD, 0xAD, 0xAE,
22 0xAF, 0xB0, 0xB0, 0xB1, 0xB2, 0xB3, 0xB3, 0xB4, 0xB5, 0xB5, 0xB6, 0xB7,
23 0xB7, 0xB8, 0xB9, 0xBA, 0xBA, 0xBB, 0xBC, 0xBC, 0xBD, 0xBE, 0xBE, 0xBF,
24 0xC0, 0xC0, 0xC1, 0xC2, 0xC2, 0xC3, 0xC4, 0xC4, 0xC5, 0xC6, 0xC6, 0xC7,
25 0xC7, 0xC8, 0xC9, 0xC9, 0xCA, 0xCB, 0xCB, 0xCC, 0xCC, 0xCD, 0xCE, 0xCE,
26 0xCF, 0xD0, 0xD0, 0xD1, 0xD1, 0xD2, 0xD3, 0xD3, 0xD4, 0xD4, 0xD5, 0xD6,
27 0xD6, 0xD7, 0xD7, 0xD8, 0xD9, 0xD9, 0xDA, 0xDA, 0xDB, 0xDC, 0xDC, 0xDD,
28 0xDD, 0xDE, 0xDE, 0xDF, 0xE0, 0xE0, 0xE1, 0xE1, 0xE2, 0xE2, 0xE3, 0xE4,
29 0xE4, 0xE5, 0xE5, 0xE6, 0xE6, 0xE7, 0xE7, 0xE8, 0xE9, 0xE9, 0xEA, 0xEA,
30 0xEB, 0xEB, 0xEC, 0xEC, 0xED, 0xED, 0xEE, 0xEE, 0xEF, 0xF0, 0xF0, 0xF1,
31 0xF1, 0xF2, 0xF2, 0xF3, 0xF3, 0xF4, 0xF4, 0xF5, 0xF5, 0xF6, 0xF6, 0xF7,
32 0xF7, 0xF8, 0xF8, 0xF9, 0xF9, 0xFA, 0xFA, 0xFB, 0xFB, 0xFC, 0xFC, 0xFD,
33 0xFD, 0xFE, 0xFE, 0xFF};
34 int _BLEND(int blend_mode, int back_color, int src_color) {
35 switch (blend_mode) {
36 case FXDIB_BLEND_NORMAL:
37 return src_color;
38 case FXDIB_BLEND_MULTIPLY:
39 return src_color * back_color / 255;
40 case FXDIB_BLEND_SCREEN:
41 return src_color + back_color - src_color * back_color / 255;
42 case FXDIB_BLEND_OVERLAY:
43 return _BLEND(FXDIB_BLEND_HARDLIGHT, src_color, back_color);
44 case FXDIB_BLEND_DARKEN:
45 return src_color < back_color ? src_color : back_color;
46 case FXDIB_BLEND_LIGHTEN:
47 return src_color > back_color ? src_color : back_color;
48 case FXDIB_BLEND_COLORDODGE: {
49 if (src_color == 255) {
50 return src_color;
51 }
52 int result = back_color * 255 / (255 - src_color);
53 if (result > 255) {
54 return 255;
55 }
56 return result;
57 }
58 case FXDIB_BLEND_COLORBURN: {
59 if (src_color == 0) {
60 return src_color;
61 }
62 int result = (255 - back_color) * 255 / src_color;
63 if (result > 255) {
64 result = 255;
65 }
66 return 255 - result;
67 }
68 case FXDIB_BLEND_HARDLIGHT:
69 if (src_color < 128) {
70 return (src_color * back_color * 2) / 255;
71 }
72 return _BLEND(FXDIB_BLEND_SCREEN, back_color, 2 * src_color - 255);
73 case FXDIB_BLEND_SOFTLIGHT: {
74 if (src_color < 128) {
75 return back_color -
76 (255 - 2 * src_color) * back_color * (255 - back_color) / 255 /
77 255;
78 }
79 return back_color +
80 (2 * src_color - 255) * (_color_sqrt[back_color] - back_color) /
81 255;
82 }
83 case FXDIB_BLEND_DIFFERENCE:
84 return back_color < src_color ? src_color - back_color
85 : back_color - src_color;
86 case FXDIB_BLEND_EXCLUSION:
87 return back_color + src_color - 2 * back_color * src_color / 255;
88 }
89 return src_color;
90 }
91 struct _RGB {
92 int red;
93 int green;
94 int blue;
95 };
96 static inline int _Lum(_RGB color) {
97 return (color.red * 30 + color.green * 59 + color.blue * 11) / 100;
98 }
99 static _RGB _ClipColor(_RGB color) {
100 int l = _Lum(color);
101 int n = color.red;
102 if (color.green < n) {
103 n = color.green;
104 }
105 if (color.blue < n) {
106 n = color.blue;
107 }
108 int x = color.red;
109 if (color.green > x) {
110 x = color.green;
111 }
112 if (color.blue > x) {
113 x = color.blue;
114 }
115 if (n < 0) {
116 color.red = l + ((color.red - l) * l / (l - n));
117 color.green = l + ((color.green - l) * l / (l - n));
118 color.blue = l + ((color.blue - l) * l / (l - n));
119 }
120 if (x > 255) {
121 color.red = l + ((color.red - l) * (255 - l) / (x - l));
122 color.green = l + ((color.green - l) * (255 - l) / (x - l));
123 color.blue = l + ((color.blue - l) * (255 - l) / (x - l));
124 }
125 return color;
126 }
127 static _RGB _SetLum(_RGB color, int l) {
128 int d = l - _Lum(color);
129 color.red += d;
130 color.green += d;
131 color.blue += d;
132 return _ClipColor(color);
133 }
134 static int _Sat(_RGB color) {
135 int n = color.red;
136 if (color.green < n) {
137 n = color.green;
138 }
139 if (color.blue < n) {
140 n = color.blue;
141 }
142 int x = color.red;
143 if (color.green > x) {
144 x = color.green;
145 }
146 if (color.blue > x) {
147 x = color.blue;
148 }
149 return x - n;
150 }
151 static _RGB _SetSat(_RGB color, int s) {
152 int* max = &color.red;
153 int* mid = &color.red;
154 int* min = &color.red;
155 if (color.green > *max) {
156 max = &color.green;
157 }
158 if (color.blue > *max) {
159 max = &color.blue;
160 }
161 if (color.green < *min) {
162 min = &color.green;
163 }
164 if (color.blue < *min) {
165 min = &color.blue;
166 }
167 if (*max == *min) {
168 color.red = 0;
169 color.green = 0;
170 color.blue = 0;
171 return color;
172 }
173 if (max == &color.red) {
174 if (min == &color.green) {
175 mid = &color.blue;
176 } else {
177 mid = &color.green;
178 }
179 } else if (max == &color.green) {
180 if (min == &color.red) {
181 mid = &color.blue;
182 } else {
183 mid = &color.red;
184 }
185 } else {
186 if (min == &color.green) {
187 mid = &color.red;
188 } else {
189 mid = &color.green;
190 }
191 }
192 if (*max > *min) {
193 *mid = (*mid - *min) * s / (*max - *min);
194 *max = s;
195 *min = 0;
196 }
197 return color;
198 }
199 void _RGB_Blend(int blend_mode,
200 const uint8_t* src_scan,
201 uint8_t* dest_scan,
202 int results[3]) {
203 _RGB src, back, result;
204 src.red = src_scan[2];
205 src.green = src_scan[1];
206 src.blue = src_scan[0];
207 back.red = dest_scan[2];
208 back.green = dest_scan[1];
209 back.blue = dest_scan[0];
210 switch (blend_mode) {
211 case FXDIB_BLEND_HUE:
212 result = _SetLum(_SetSat(src, _Sat(back)), _Lum(back));
213 break;
214 case FXDIB_BLEND_SATURATION:
215 result = _SetLum(_SetSat(back, _Sat(src)), _Lum(back));
216 break;
217 case FXDIB_BLEND_COLOR:
218 result = _SetLum(src, _Lum(back));
219 break;
220 case FXDIB_BLEND_LUMINOSITY:
221 result = _SetLum(back, _Lum(src));
222 break;
223 }
224 results[0] = result.blue;
225 results[1] = result.green;
226 results[2] = result.red;
227 }
228 inline void _CompositeRow_Argb2Mask(uint8_t* dest_scan,
229 const uint8_t* src_scan,
230 int pixel_count,
231 const uint8_t* clip_scan) {
232 src_scan += 3;
233 for (int col = 0; col < pixel_count; col++) {
234 int src_alpha = *src_scan;
235 if (clip_scan) {
236 src_alpha = clip_scan[col] * src_alpha / 255;
237 }
238 uint8_t back_alpha = *dest_scan;
239 if (!back_alpha) {
240 *dest_scan = src_alpha;
241 } else if (src_alpha) {
242 *dest_scan = back_alpha + src_alpha - back_alpha * src_alpha / 255;
243 }
244 dest_scan++;
245 src_scan += 4;
246 }
247 }
248 void _CompositeRow_Rgba2Mask(uint8_t* dest_scan,
249 const uint8_t* src_alpha_scan,
250 int pixel_count,
251 const uint8_t* clip_scan) {
252 for (int col = 0; col < pixel_count; col++) {
253 int src_alpha = *src_alpha_scan++;
254 if (clip_scan) {
255 src_alpha = clip_scan[col] * src_alpha / 255;
256 }
257 uint8_t back_alpha = *dest_scan;
258 if (!back_alpha) {
259 *dest_scan = src_alpha;
260 } else if (src_alpha) {
261 *dest_scan = back_alpha + src_alpha - back_alpha * src_alpha / 255;
262 }
263 dest_scan++;
264 }
265 }
266 void _CompositeRow_Rgb2Mask(uint8_t* dest_scan,
267 const uint8_t* src_scan,
268 int width,
269 const uint8_t* clip_scan) {
270 if (clip_scan) {
271 for (int i = 0; i < width; i++) {
272 *dest_scan = FXDIB_ALPHA_UNION(*dest_scan, *clip_scan);
273 dest_scan++;
274 clip_scan++;
275 }
276 } else {
277 FXSYS_memset(dest_scan, 0xff, width);
278 }
279 }
280 void _CompositeRow_Argb2Graya(uint8_t* dest_scan,
281 const uint8_t* src_scan,
282 int pixel_count,
283 int blend_type,
284 const uint8_t* clip_scan,
285 const uint8_t* src_alpha_scan,
286 uint8_t* dst_alpha_scan,
287 void* pIccTransform) {
288 ICodec_IccModule* pIccModule = nullptr;
289 if (pIccTransform)
290 pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
291
292 if (blend_type) {
293 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
294 int blended_color;
295 if (src_alpha_scan) {
296 for (int col = 0; col < pixel_count; col++) {
297 uint8_t back_alpha = *dst_alpha_scan;
298 if (back_alpha == 0) {
299 int src_alpha = *src_alpha_scan++;
300 if (clip_scan)
301 src_alpha = clip_scan[col] * src_alpha / 255;
302
303 if (src_alpha) {
304 if (pIccTransform) {
305 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan,
306 1);
307 } else {
308 *dest_scan = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
309 }
310 *dst_alpha_scan = src_alpha;
311 }
312 dest_scan++;
313 dst_alpha_scan++;
314 src_scan += 3;
315 continue;
316 }
317 uint8_t src_alpha = *src_alpha_scan++;
318 if (clip_scan)
319 src_alpha = clip_scan[col] * src_alpha / 255;
320
321 if (src_alpha == 0) {
322 dest_scan++;
323 dst_alpha_scan++;
324 src_scan += 3;
325 continue;
326 }
327 *dst_alpha_scan = FXDIB_ALPHA_UNION(back_alpha, src_alpha);
328 int alpha_ratio = src_alpha * 255 / (*dst_alpha_scan);
329 uint8_t gray;
330 if (pIccTransform) {
331 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
332 } else {
333 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
334 }
335 if (bNonseparableBlend) {
336 blended_color =
337 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
338 }
339 gray = bNonseparableBlend ? blended_color
340 : _BLEND(blend_type, *dest_scan, gray);
341 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
342 dest_scan++;
343 dst_alpha_scan++;
344 src_scan += 3;
345 }
346 } else {
347 for (int col = 0; col < pixel_count; col++) {
348 uint8_t back_alpha = *dst_alpha_scan;
349 if (back_alpha == 0) {
350 int src_alpha = src_scan[3];
351 if (clip_scan)
352 src_alpha = clip_scan[col] * src_alpha / 255;
353
354 if (src_alpha) {
355 if (pIccTransform) {
356 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan,
357 1);
358 } else {
359 *dest_scan = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
360 }
361 *dst_alpha_scan = src_alpha;
362 }
363 dest_scan++;
364 dst_alpha_scan++;
365 src_scan += 4;
366 continue;
367 }
368 uint8_t src_alpha = src_scan[3];
369 if (clip_scan)
370 src_alpha = clip_scan[col] * src_alpha / 255;
371
372 if (src_alpha == 0) {
373 dest_scan++;
374 dst_alpha_scan++;
375 src_scan += 4;
376 continue;
377 }
378 *dst_alpha_scan = FXDIB_ALPHA_UNION(back_alpha, src_alpha);
379 int alpha_ratio = src_alpha * 255 / (*dst_alpha_scan);
380 uint8_t gray;
381 if (pIccTransform)
382 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
383 else
384 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
385
386 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
387 dest_scan++;
388 dst_alpha_scan++;
389 src_scan += 4;
390 }
391 }
392 return;
393 }
394 if (src_alpha_scan) {
395 for (int col = 0; col < pixel_count; col++) {
396 uint8_t back_alpha = *dst_alpha_scan;
397 if (back_alpha == 0) {
398 int src_alpha = *src_alpha_scan++;
399 if (clip_scan)
400 src_alpha = clip_scan[col] * src_alpha / 255;
401
402 if (src_alpha) {
403 if (pIccTransform) {
404 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan,
405 1);
406 } else {
407 *dest_scan = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
408 }
409 *dst_alpha_scan = src_alpha;
410 }
411 dest_scan++;
412 dst_alpha_scan++;
413 src_scan += 3;
414 continue;
415 }
416 uint8_t src_alpha = *src_alpha_scan++;
417 if (clip_scan)
418 src_alpha = clip_scan[col] * src_alpha / 255;
419
420 if (src_alpha == 0) {
421 dest_scan++;
422 dst_alpha_scan++;
423 src_scan += 3;
424 continue;
425 }
426 *dst_alpha_scan = FXDIB_ALPHA_UNION(back_alpha, src_alpha);
427 int alpha_ratio = src_alpha * 255 / (*dst_alpha_scan);
428 uint8_t gray;
429 if (pIccTransform)
430 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
431 else
432 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
433
434 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
435 dest_scan++;
436 dst_alpha_scan++;
437 src_scan += 3;
438 }
439 } else {
440 for (int col = 0; col < pixel_count; col++) {
441 uint8_t back_alpha = *dst_alpha_scan;
442 if (back_alpha == 0) {
443 int src_alpha = src_scan[3];
444 if (clip_scan)
445 src_alpha = clip_scan[col] * src_alpha / 255;
446
447 if (src_alpha) {
448 if (pIccTransform) {
449 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan,
450 1);
451 } else {
452 *dest_scan = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
453 }
454 *dst_alpha_scan = src_alpha;
455 }
456 dest_scan++;
457 dst_alpha_scan++;
458 src_scan += 4;
459 continue;
460 }
461 uint8_t src_alpha = src_scan[3];
462 if (clip_scan)
463 src_alpha = clip_scan[col] * src_alpha / 255;
464
465 if (src_alpha == 0) {
466 dest_scan++;
467 dst_alpha_scan++;
468 src_scan += 4;
469 continue;
470 }
471 *dst_alpha_scan = FXDIB_ALPHA_UNION(back_alpha, src_alpha);
472 int alpha_ratio = src_alpha * 255 / (*dst_alpha_scan);
473 uint8_t gray;
474 if (pIccTransform)
475 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
476 else
477 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
478
479 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
480 dest_scan++;
481 dst_alpha_scan++;
482 src_scan += 4;
483 }
484 }
485 }
486
487 inline void _CompositeRow_Argb2Gray(uint8_t* dest_scan,
488 const uint8_t* src_scan,
489 int pixel_count,
490 int blend_type,
491 const uint8_t* clip_scan,
492 const uint8_t* src_alpha_scan,
493 void* pIccTransform) {
494 ICodec_IccModule* pIccModule = NULL;
495 uint8_t gray;
496 if (pIccTransform)
497 pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
498
499 if (blend_type) {
500 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
501 int blended_color;
502 if (src_alpha_scan) {
503 for (int col = 0; col < pixel_count; col++) {
504 int src_alpha = *src_alpha_scan++;
505 if (clip_scan)
506 src_alpha = clip_scan[col] * src_alpha / 255;
507
508 if (src_alpha) {
509 if (pIccTransform)
510 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
511 else
512 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
513
514 if (bNonseparableBlend) {
515 blended_color =
516 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
517 }
518 gray = bNonseparableBlend ? blended_color
519 : _BLEND(blend_type, *dest_scan, gray);
520 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
521 }
522 dest_scan++;
523 src_scan += 3;
524 }
525 } else {
526 for (int col = 0; col < pixel_count; col++) {
527 int src_alpha = src_scan[3];
528 if (clip_scan)
529 src_alpha = clip_scan[col] * src_alpha / 255;
530
531 if (src_alpha) {
532 if (pIccTransform)
533 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
534 else
535 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
536
537 if (bNonseparableBlend) {
538 blended_color =
539 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
540 }
541 gray = bNonseparableBlend ? blended_color
542 : _BLEND(blend_type, *dest_scan, gray);
543 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
544 }
545 dest_scan++;
546 src_scan += 4;
547 }
548 }
549 return;
550 }
551 if (src_alpha_scan) {
552 for (int col = 0; col < pixel_count; col++) {
553 int src_alpha = *src_alpha_scan++;
554 if (clip_scan)
555 src_alpha = clip_scan[col] * src_alpha / 255;
556
557 if (src_alpha) {
558 if (pIccTransform)
559 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
560 else
561 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
562
563 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
564 }
565 dest_scan++;
566 src_scan += 3;
567 }
568 } else {
569 for (int col = 0; col < pixel_count; col++) {
570 int src_alpha = src_scan[3];
571 if (clip_scan)
572 src_alpha = clip_scan[col] * src_alpha / 255;
573
574 if (src_alpha) {
575 if (pIccTransform)
576 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
577 else
578 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
579
580 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
581 }
582 dest_scan++;
583 src_scan += 4;
584 }
585 }
586 }
587
588 inline void _CompositeRow_Rgb2Gray(uint8_t* dest_scan,
589 const uint8_t* src_scan,
590 int src_Bpp,
591 int pixel_count,
592 int blend_type,
593 const uint8_t* clip_scan,
594 void* pIccTransform) {
595 ICodec_IccModule* pIccModule = NULL;
596 uint8_t gray;
597 if (pIccTransform) {
598 pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
599 }
600 if (blend_type) {
601 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
602 int blended_color;
603 for (int col = 0; col < pixel_count; col++) {
604 if (pIccTransform) {
605 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
606 } else {
607 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
608 }
609 if (bNonseparableBlend) {
610 blended_color =
611 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
612 }
613 gray = bNonseparableBlend ? blended_color
614 : _BLEND(blend_type, *dest_scan, gray);
615 if (clip_scan && clip_scan[col] < 255) {
616 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
617 } else {
618 *dest_scan = gray;
619 }
620 dest_scan++;
621 src_scan += src_Bpp;
622 }
623 return;
624 }
625 for (int col = 0; col < pixel_count; col++) {
626 if (pIccTransform) {
627 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
628 } else {
629 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
630 }
631 if (clip_scan && clip_scan[col] < 255) {
632 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
633 } else {
634 *dest_scan = gray;
635 }
636 dest_scan++;
637 src_scan += src_Bpp;
638 }
639 }
640 void _CompositeRow_Rgb2Graya(uint8_t* dest_scan,
641 const uint8_t* src_scan,
642 int src_Bpp,
643 int pixel_count,
644 int blend_type,
645 const uint8_t* clip_scan,
646 uint8_t* dest_alpha_scan,
647 void* pIccTransform) {
648 ICodec_IccModule* pIccModule = NULL;
649 if (pIccTransform) {
650 pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
651 }
652 if (blend_type) {
653 int blended_color;
654 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
655 for (int col = 0; col < pixel_count; col++) {
656 int back_alpha = *dest_alpha_scan;
657 if (back_alpha == 0) {
658 if (pIccTransform) {
659 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
660 } else {
661 *dest_scan = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
662 }
663 dest_scan++;
664 dest_alpha_scan++;
665 src_scan += src_Bpp;
666 continue;
667 }
668 int src_alpha = 255;
669 if (clip_scan) {
670 src_alpha = clip_scan[col];
671 }
672 if (src_alpha == 0) {
673 dest_scan++;
674 dest_alpha_scan++;
675 src_scan += src_Bpp;
676 continue;
677 }
678 uint8_t dest_alpha =
679 back_alpha + src_alpha - back_alpha * src_alpha / 255;
680 *dest_alpha_scan++ = dest_alpha;
681 int alpha_ratio = src_alpha * 255 / dest_alpha;
682 uint8_t gray;
683 if (pIccTransform) {
684 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
685 } else {
686 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
687 }
688 if (bNonseparableBlend) {
689 blended_color =
690 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
691 }
692 gray = bNonseparableBlend ? blended_color
693 : _BLEND(blend_type, *dest_scan, gray);
694 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
695 dest_scan++;
696 src_scan += src_Bpp;
697 }
698 return;
699 }
700 for (int col = 0; col < pixel_count; col++) {
701 int src_alpha = 255;
702 if (clip_scan) {
703 src_alpha = clip_scan[col];
704 }
705 if (src_alpha == 255) {
706 if (pIccTransform) {
707 pIccModule->TranslateScanline(pIccTransform, dest_scan, src_scan, 1);
708 } else {
709 *dest_scan = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
710 }
711 dest_scan++;
712 *dest_alpha_scan++ = 255;
713 src_scan += src_Bpp;
714 continue;
715 }
716 if (src_alpha == 0) {
717 dest_scan++;
718 dest_alpha_scan++;
719 src_scan += src_Bpp;
720 continue;
721 }
722 int back_alpha = *dest_alpha_scan;
723 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
724 *dest_alpha_scan++ = dest_alpha;
725 int alpha_ratio = src_alpha * 255 / dest_alpha;
726 uint8_t gray;
727 if (pIccTransform) {
728 pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
729 } else {
730 gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
731 }
732 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
733 dest_scan++;
734 src_scan += src_Bpp;
735 }
736 }
737 void _CompositeRow_Argb2Argb(uint8_t* dest_scan,
738 const uint8_t* src_scan,
739 int pixel_count,
740 int blend_type,
741 const uint8_t* clip_scan,
742 uint8_t* dest_alpha_scan,
743 const uint8_t* src_alpha_scan) {
744 int blended_colors[3];
745 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
746 if (!dest_alpha_scan) {
747 if (!src_alpha_scan) {
748 uint8_t back_alpha = 0;
749 for (int col = 0; col < pixel_count; col++) {
750 back_alpha = dest_scan[3];
751 if (back_alpha == 0) {
752 if (clip_scan) {
753 int src_alpha = clip_scan[col] * src_scan[3] / 255;
754 FXARGB_SETDIB(dest_scan, (FXARGB_GETDIB(src_scan) & 0xffffff) |
755 (src_alpha << 24));
756 } else {
757 FXARGB_COPY(dest_scan, src_scan);
758 }
759 dest_scan += 4;
760 src_scan += 4;
761 continue;
762 }
763 uint8_t src_alpha;
764 if (clip_scan) {
765 src_alpha = clip_scan[col] * src_scan[3] / 255;
766 } else {
767 src_alpha = src_scan[3];
768 }
769 if (src_alpha == 0) {
770 dest_scan += 4;
771 src_scan += 4;
772 continue;
773 }
774 uint8_t dest_alpha =
775 back_alpha + src_alpha - back_alpha * src_alpha / 255;
776 dest_scan[3] = dest_alpha;
777 int alpha_ratio = src_alpha * 255 / dest_alpha;
778 if (bNonseparableBlend) {
779 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
780 }
781 for (int color = 0; color < 3; color++) {
782 if (blend_type) {
783 int blended = bNonseparableBlend
784 ? blended_colors[color]
785 : _BLEND(blend_type, *dest_scan, *src_scan);
786 blended = FXDIB_ALPHA_MERGE(*src_scan, blended, back_alpha);
787 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
788 } else {
789 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, alpha_ratio);
790 }
791 dest_scan++;
792 src_scan++;
793 }
794 dest_scan++;
795 src_scan++;
796 }
797 } else {
798 for (int col = 0; col < pixel_count; col++) {
799 uint8_t back_alpha = dest_scan[3];
800 if (back_alpha == 0) {
801 if (clip_scan) {
802 int src_alpha = clip_scan[col] * (*src_alpha_scan) / 255;
803 FXARGB_SETDIB(dest_scan, FXARGB_MAKE((src_alpha << 24), src_scan[2],
804 src_scan[1], *src_scan));
805 } else {
806 FXARGB_SETDIB(dest_scan,
807 FXARGB_MAKE((*src_alpha_scan << 24), src_scan[2],
808 src_scan[1], *src_scan));
809 }
810 dest_scan += 4;
811 src_scan += 3;
812 src_alpha_scan++;
813 continue;
814 }
815 uint8_t src_alpha;
816 if (clip_scan) {
817 src_alpha = clip_scan[col] * (*src_alpha_scan++) / 255;
818 } else {
819 src_alpha = *src_alpha_scan++;
820 }
821 if (src_alpha == 0) {
822 dest_scan += 4;
823 src_scan += 3;
824 continue;
825 }
826 uint8_t dest_alpha =
827 back_alpha + src_alpha - back_alpha * src_alpha / 255;
828 dest_scan[3] = dest_alpha;
829 int alpha_ratio = src_alpha * 255 / dest_alpha;
830 if (bNonseparableBlend) {
831 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
832 }
833 for (int color = 0; color < 3; color++) {
834 if (blend_type) {
835 int blended = bNonseparableBlend
836 ? blended_colors[color]
837 : _BLEND(blend_type, *dest_scan, *src_scan);
838 blended = FXDIB_ALPHA_MERGE(*src_scan, blended, back_alpha);
839 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
840 } else {
841 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, alpha_ratio);
842 }
843 dest_scan++;
844 src_scan++;
845 }
846 dest_scan++;
847 }
848 }
849 } else {
850 if (src_alpha_scan) {
851 for (int col = 0; col < pixel_count; col++) {
852 uint8_t back_alpha = *dest_alpha_scan;
853 if (back_alpha == 0) {
854 if (clip_scan) {
855 int src_alpha = clip_scan[col] * (*src_alpha_scan) / 255;
856 *dest_alpha_scan = src_alpha;
857 *dest_scan++ = *src_scan++;
858 *dest_scan++ = *src_scan++;
859 *dest_scan++ = *src_scan++;
860 } else {
861 *dest_alpha_scan = *src_alpha_scan;
862 *dest_scan++ = *src_scan++;
863 *dest_scan++ = *src_scan++;
864 *dest_scan++ = *src_scan++;
865 }
866 dest_alpha_scan++;
867 src_alpha_scan++;
868 continue;
869 }
870 uint8_t src_alpha;
871 if (clip_scan) {
872 src_alpha = clip_scan[col] * (*src_alpha_scan++) / 255;
873 } else {
874 src_alpha = *src_alpha_scan++;
875 }
876 if (src_alpha == 0) {
877 dest_scan += 3;
878 src_scan += 3;
879 dest_alpha_scan++;
880 continue;
881 }
882 uint8_t dest_alpha =
883 back_alpha + src_alpha - back_alpha * src_alpha / 255;
884 *dest_alpha_scan++ = dest_alpha;
885 int alpha_ratio = src_alpha * 255 / dest_alpha;
886 if (bNonseparableBlend) {
887 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
888 }
889 for (int color = 0; color < 3; color++) {
890 if (blend_type) {
891 int blended = bNonseparableBlend
892 ? blended_colors[color]
893 : _BLEND(blend_type, *dest_scan, *src_scan);
894 blended = FXDIB_ALPHA_MERGE(*src_scan, blended, back_alpha);
895 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
896 } else {
897 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, alpha_ratio);
898 }
899 dest_scan++;
900 src_scan++;
901 }
902 }
903 } else {
904 for (int col = 0; col < pixel_count; col++) {
905 uint8_t back_alpha = *dest_alpha_scan;
906 if (back_alpha == 0) {
907 if (clip_scan) {
908 int src_alpha = clip_scan[col] * src_scan[3] / 255;
909 *dest_alpha_scan = src_alpha;
910 *dest_scan++ = *src_scan++;
911 *dest_scan++ = *src_scan++;
912 *dest_scan++ = *src_scan++;
913 } else {
914 *dest_alpha_scan = src_scan[3];
915 *dest_scan++ = *src_scan++;
916 *dest_scan++ = *src_scan++;
917 *dest_scan++ = *src_scan++;
918 }
919 dest_alpha_scan++;
920 src_scan++;
921 continue;
922 }
923 uint8_t src_alpha;
924 if (clip_scan) {
925 src_alpha = clip_scan[col] * src_scan[3] / 255;
926 } else {
927 src_alpha = src_scan[3];
928 }
929 if (src_alpha == 0) {
930 dest_scan += 3;
931 src_scan += 4;
932 dest_alpha_scan++;
933 continue;
934 }
935 uint8_t dest_alpha =
936 back_alpha + src_alpha - back_alpha * src_alpha / 255;
937 *dest_alpha_scan++ = dest_alpha;
938 int alpha_ratio = src_alpha * 255 / dest_alpha;
939 if (bNonseparableBlend) {
940 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
941 }
942 for (int color = 0; color < 3; color++) {
943 if (blend_type) {
944 int blended = bNonseparableBlend
945 ? blended_colors[color]
946 : _BLEND(blend_type, *dest_scan, *src_scan);
947 blended = FXDIB_ALPHA_MERGE(*src_scan, blended, back_alpha);
948 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
949 } else {
950 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, alpha_ratio);
951 }
952 dest_scan++;
953 src_scan++;
954 }
955 src_scan++;
956 }
957 }
958 }
959 }
960 void _CompositeRow_Rgb2Argb_Blend_NoClip(uint8_t* dest_scan,
961 const uint8_t* src_scan,
962 int width,
963 int blend_type,
964 int src_Bpp,
965 uint8_t* dest_alpha_scan) {
966 int blended_colors[3];
967 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
968 int src_gap = src_Bpp - 3;
969 if (dest_alpha_scan) {
970 for (int col = 0; col < width; col++) {
971 uint8_t back_alpha = *dest_alpha_scan;
972 if (back_alpha == 0) {
973 *dest_scan++ = *src_scan++;
974 *dest_scan++ = *src_scan++;
975 *dest_scan++ = *src_scan++;
976 *dest_alpha_scan++ = 0xff;
977 src_scan += src_gap;
978 continue;
979 }
980 *dest_alpha_scan++ = 0xff;
981 if (bNonseparableBlend) {
982 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
983 }
984 for (int color = 0; color < 3; color++) {
985 int src_color = *src_scan;
986 int blended = bNonseparableBlend
987 ? blended_colors[color]
988 : _BLEND(blend_type, *dest_scan, src_color);
989 *dest_scan = FXDIB_ALPHA_MERGE(src_color, blended, back_alpha);
990 dest_scan++;
991 src_scan++;
992 }
993 src_scan += src_gap;
994 }
995 } else {
996 for (int col = 0; col < width; col++) {
997 uint8_t back_alpha = dest_scan[3];
998 if (back_alpha == 0) {
999 if (src_Bpp == 4) {
1000 FXARGB_SETDIB(dest_scan, 0xff000000 | FXARGB_GETDIB(src_scan));
1001 } else {
1002 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[2], src_scan[1],
1003 src_scan[0]));
1004 }
1005 dest_scan += 4;
1006 src_scan += src_Bpp;
1007 continue;
1008 }
1009 dest_scan[3] = 0xff;
1010 if (bNonseparableBlend) {
1011 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
1012 }
1013 for (int color = 0; color < 3; color++) {
1014 int src_color = *src_scan;
1015 int blended = bNonseparableBlend
1016 ? blended_colors[color]
1017 : _BLEND(blend_type, *dest_scan, src_color);
1018 *dest_scan = FXDIB_ALPHA_MERGE(src_color, blended, back_alpha);
1019 dest_scan++;
1020 src_scan++;
1021 }
1022 dest_scan++;
1023 src_scan += src_gap;
1024 }
1025 }
1026 }
1027 inline void _CompositeRow_Rgb2Argb_Blend_Clip(uint8_t* dest_scan,
1028 const uint8_t* src_scan,
1029 int width,
1030 int blend_type,
1031 int src_Bpp,
1032 const uint8_t* clip_scan,
1033 uint8_t* dest_alpha_scan) {
1034 int blended_colors[3];
1035 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1036 int src_gap = src_Bpp - 3;
1037 if (dest_alpha_scan) {
1038 for (int col = 0; col < width; col++) {
1039 int src_alpha = *clip_scan++;
1040 uint8_t back_alpha = *dest_alpha_scan;
1041 if (back_alpha == 0) {
1042 *dest_scan++ = *src_scan++;
1043 *dest_scan++ = *src_scan++;
1044 *dest_scan++ = *src_scan++;
1045 src_scan += src_gap;
1046 dest_alpha_scan++;
1047 continue;
1048 }
1049 if (src_alpha == 0) {
1050 dest_scan += 3;
1051 dest_alpha_scan++;
1052 src_scan += src_Bpp;
1053 continue;
1054 }
1055 uint8_t dest_alpha =
1056 back_alpha + src_alpha - back_alpha * src_alpha / 255;
1057 *dest_alpha_scan++ = dest_alpha;
1058 int alpha_ratio = src_alpha * 255 / dest_alpha;
1059 if (bNonseparableBlend) {
1060 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
1061 }
1062 for (int color = 0; color < 3; color++) {
1063 int src_color = *src_scan;
1064 int blended = bNonseparableBlend
1065 ? blended_colors[color]
1066 : _BLEND(blend_type, *dest_scan, src_color);
1067 blended = FXDIB_ALPHA_MERGE(src_color, blended, back_alpha);
1068 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
1069 dest_scan++;
1070 src_scan++;
1071 }
1072 src_scan += src_gap;
1073 }
1074 } else {
1075 for (int col = 0; col < width; col++) {
1076 int src_alpha = *clip_scan++;
1077 uint8_t back_alpha = dest_scan[3];
1078 if (back_alpha == 0) {
1079 *dest_scan++ = *src_scan++;
1080 *dest_scan++ = *src_scan++;
1081 *dest_scan++ = *src_scan++;
1082 src_scan += src_gap;
1083 dest_scan++;
1084 continue;
1085 }
1086 if (src_alpha == 0) {
1087 dest_scan += 4;
1088 src_scan += src_Bpp;
1089 continue;
1090 }
1091 uint8_t dest_alpha =
1092 back_alpha + src_alpha - back_alpha * src_alpha / 255;
1093 dest_scan[3] = dest_alpha;
1094 int alpha_ratio = src_alpha * 255 / dest_alpha;
1095 if (bNonseparableBlend) {
1096 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
1097 }
1098 for (int color = 0; color < 3; color++) {
1099 int src_color = *src_scan;
1100 int blended = bNonseparableBlend
1101 ? blended_colors[color]
1102 : _BLEND(blend_type, *dest_scan, src_color);
1103 blended = FXDIB_ALPHA_MERGE(src_color, blended, back_alpha);
1104 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
1105 dest_scan++;
1106 src_scan++;
1107 }
1108 dest_scan++;
1109 src_scan += src_gap;
1110 }
1111 }
1112 }
1113 inline void _CompositeRow_Rgb2Argb_NoBlend_Clip(uint8_t* dest_scan,
1114 const uint8_t* src_scan,
1115 int width,
1116 int src_Bpp,
1117 const uint8_t* clip_scan,
1118 uint8_t* dest_alpha_scan) {
1119 int src_gap = src_Bpp - 3;
1120 if (dest_alpha_scan) {
1121 for (int col = 0; col < width; col++) {
1122 int src_alpha = clip_scan[col];
1123 if (src_alpha == 255) {
1124 *dest_scan++ = *src_scan++;
1125 *dest_scan++ = *src_scan++;
1126 *dest_scan++ = *src_scan++;
1127 *dest_alpha_scan++ = 255;
1128 src_scan += src_gap;
1129 continue;
1130 }
1131 if (src_alpha == 0) {
1132 dest_scan += 3;
1133 dest_alpha_scan++;
1134 src_scan += src_Bpp;
1135 continue;
1136 }
1137 int back_alpha = *dest_alpha_scan;
1138 uint8_t dest_alpha =
1139 back_alpha + src_alpha - back_alpha * src_alpha / 255;
1140 *dest_alpha_scan++ = dest_alpha;
1141 int alpha_ratio = src_alpha * 255 / dest_alpha;
1142 for (int color = 0; color < 3; color++) {
1143 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, alpha_ratio);
1144 dest_scan++;
1145 src_scan++;
1146 }
1147 src_scan += src_gap;
1148 }
1149 } else {
1150 for (int col = 0; col < width; col++) {
1151 int src_alpha = clip_scan[col];
1152 if (src_alpha == 255) {
1153 *dest_scan++ = *src_scan++;
1154 *dest_scan++ = *src_scan++;
1155 *dest_scan++ = *src_scan++;
1156 *dest_scan++ = 255;
1157 src_scan += src_gap;
1158 continue;
1159 }
1160 if (src_alpha == 0) {
1161 dest_scan += 4;
1162 src_scan += src_Bpp;
1163 continue;
1164 }
1165 int back_alpha = dest_scan[3];
1166 uint8_t dest_alpha =
1167 back_alpha + src_alpha - back_alpha * src_alpha / 255;
1168 dest_scan[3] = dest_alpha;
1169 int alpha_ratio = src_alpha * 255 / dest_alpha;
1170 for (int color = 0; color < 3; color++) {
1171 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, alpha_ratio);
1172 dest_scan++;
1173 src_scan++;
1174 }
1175 dest_scan++;
1176 src_scan += src_gap;
1177 }
1178 }
1179 }
1180 inline void _CompositeRow_Rgb2Argb_NoBlend_NoClip(uint8_t* dest_scan,
1181 const uint8_t* src_scan,
1182 int width,
1183 int src_Bpp,
1184 uint8_t* dest_alpha_scan) {
1185 if (dest_alpha_scan) {
1186 int src_gap = src_Bpp - 3;
1187 for (int col = 0; col < width; col++) {
1188 *dest_scan++ = *src_scan++;
1189 *dest_scan++ = *src_scan++;
1190 *dest_scan++ = *src_scan++;
1191 *dest_alpha_scan++ = 0xff;
1192 src_scan += src_gap;
1193 }
1194 } else {
1195 for (int col = 0; col < width; col++) {
1196 if (src_Bpp == 4) {
1197 FXARGB_SETDIB(dest_scan, 0xff000000 | FXARGB_GETDIB(src_scan));
1198 } else {
1199 FXARGB_SETDIB(dest_scan,
1200 FXARGB_MAKE(0xff, src_scan[2], src_scan[1], src_scan[0]));
1201 }
1202 dest_scan += 4;
1203 src_scan += src_Bpp;
1204 }
1205 }
1206 }
1207 inline void _CompositeRow_Argb2Rgb_Blend(uint8_t* dest_scan,
1208 const uint8_t* src_scan,
1209 int width,
1210 int blend_type,
1211 int dest_Bpp,
1212 const uint8_t* clip_scan,
1213 const uint8_t* src_alpha_scan) {
1214 int blended_colors[3];
1215 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1216 int dest_gap = dest_Bpp - 3;
1217 if (src_alpha_scan) {
1218 for (int col = 0; col < width; col++) {
1219 uint8_t src_alpha;
1220 if (clip_scan) {
1221 src_alpha = (*src_alpha_scan++) * (*clip_scan++) / 255;
1222 } else {
1223 src_alpha = *src_alpha_scan++;
1224 }
1225 if (src_alpha == 0) {
1226 dest_scan += dest_Bpp;
1227 src_scan += 3;
1228 continue;
1229 }
1230 if (bNonseparableBlend) {
1231 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
1232 }
1233 for (int color = 0; color < 3; color++) {
1234 int back_color = *dest_scan;
1235 int blended = bNonseparableBlend
1236 ? blended_colors[color]
1237 : _BLEND(blend_type, back_color, *src_scan);
1238 *dest_scan = FXDIB_ALPHA_MERGE(back_color, blended, src_alpha);
1239 dest_scan++;
1240 src_scan++;
1241 }
1242 dest_scan += dest_gap;
1243 }
1244 } else {
1245 for (int col = 0; col < width; col++) {
1246 uint8_t src_alpha;
1247 if (clip_scan) {
1248 src_alpha = src_scan[3] * (*clip_scan++) / 255;
1249 } else {
1250 src_alpha = src_scan[3];
1251 }
1252 if (src_alpha == 0) {
1253 dest_scan += dest_Bpp;
1254 src_scan += 4;
1255 continue;
1256 }
1257 if (bNonseparableBlend) {
1258 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
1259 }
1260 for (int color = 0; color < 3; color++) {
1261 int back_color = *dest_scan;
1262 int blended = bNonseparableBlend
1263 ? blended_colors[color]
1264 : _BLEND(blend_type, back_color, *src_scan);
1265 *dest_scan = FXDIB_ALPHA_MERGE(back_color, blended, src_alpha);
1266 dest_scan++;
1267 src_scan++;
1268 }
1269 dest_scan += dest_gap;
1270 src_scan++;
1271 }
1272 }
1273 }
1274 inline void _CompositeRow_Argb2Rgb_NoBlend(uint8_t* dest_scan,
1275 const uint8_t* src_scan,
1276 int width,
1277 int dest_Bpp,
1278 const uint8_t* clip_scan,
1279 const uint8_t* src_alpha_scan) {
1280 int dest_gap = dest_Bpp - 3;
1281 if (src_alpha_scan) {
1282 for (int col = 0; col < width; col++) {
1283 uint8_t src_alpha;
1284 if (clip_scan) {
1285 src_alpha = (*src_alpha_scan++) * (*clip_scan++) / 255;
1286 } else {
1287 src_alpha = *src_alpha_scan++;
1288 }
1289 if (src_alpha == 255) {
1290 *dest_scan++ = *src_scan++;
1291 *dest_scan++ = *src_scan++;
1292 *dest_scan++ = *src_scan++;
1293 dest_scan += dest_gap;
1294 continue;
1295 }
1296 if (src_alpha == 0) {
1297 dest_scan += dest_Bpp;
1298 src_scan += 3;
1299 continue;
1300 }
1301 for (int color = 0; color < 3; color++) {
1302 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, src_alpha);
1303 dest_scan++;
1304 src_scan++;
1305 }
1306 dest_scan += dest_gap;
1307 }
1308 } else {
1309 for (int col = 0; col < width; col++) {
1310 uint8_t src_alpha;
1311 if (clip_scan) {
1312 src_alpha = src_scan[3] * (*clip_scan++) / 255;
1313 } else {
1314 src_alpha = src_scan[3];
1315 }
1316 if (src_alpha == 255) {
1317 *dest_scan++ = *src_scan++;
1318 *dest_scan++ = *src_scan++;
1319 *dest_scan++ = *src_scan++;
1320 dest_scan += dest_gap;
1321 src_scan++;
1322 continue;
1323 }
1324 if (src_alpha == 0) {
1325 dest_scan += dest_Bpp;
1326 src_scan += 4;
1327 continue;
1328 }
1329 for (int color = 0; color < 3; color++) {
1330 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, src_alpha);
1331 dest_scan++;
1332 src_scan++;
1333 }
1334 dest_scan += dest_gap;
1335 src_scan++;
1336 }
1337 }
1338 }
1339 inline void _CompositeRow_Rgb2Rgb_Blend_NoClip(uint8_t* dest_scan,
1340 const uint8_t* src_scan,
1341 int width,
1342 int blend_type,
1343 int dest_Bpp,
1344 int src_Bpp) {
1345 int blended_colors[3];
1346 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1347 int dest_gap = dest_Bpp - 3;
1348 int src_gap = src_Bpp - 3;
1349 for (int col = 0; col < width; col++) {
1350 if (bNonseparableBlend) {
1351 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
1352 }
1353 for (int color = 0; color < 3; color++) {
1354 int back_color = *dest_scan;
1355 int src_color = *src_scan;
1356 int blended = bNonseparableBlend
1357 ? blended_colors[color]
1358 : _BLEND(blend_type, back_color, src_color);
1359 *dest_scan = blended;
1360 dest_scan++;
1361 src_scan++;
1362 }
1363 dest_scan += dest_gap;
1364 src_scan += src_gap;
1365 }
1366 }
1367 inline void _CompositeRow_Rgb2Rgb_Blend_Clip(uint8_t* dest_scan,
1368 const uint8_t* src_scan,
1369 int width,
1370 int blend_type,
1371 int dest_Bpp,
1372 int src_Bpp,
1373 const uint8_t* clip_scan) {
1374 int blended_colors[3];
1375 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1376 int dest_gap = dest_Bpp - 3;
1377 int src_gap = src_Bpp - 3;
1378 for (int col = 0; col < width; col++) {
1379 uint8_t src_alpha = *clip_scan++;
1380 if (src_alpha == 0) {
1381 dest_scan += dest_Bpp;
1382 src_scan += src_Bpp;
1383 continue;
1384 }
1385 if (bNonseparableBlend) {
1386 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
1387 }
1388 for (int color = 0; color < 3; color++) {
1389 int src_color = *src_scan;
1390 int back_color = *dest_scan;
1391 int blended = bNonseparableBlend
1392 ? blended_colors[color]
1393 : _BLEND(blend_type, back_color, src_color);
1394 *dest_scan = FXDIB_ALPHA_MERGE(back_color, blended, src_alpha);
1395 dest_scan++;
1396 src_scan++;
1397 }
1398 dest_scan += dest_gap;
1399 src_scan += src_gap;
1400 }
1401 }
1402 inline void _CompositeRow_Rgb2Rgb_NoBlend_NoClip(uint8_t* dest_scan,
1403 const uint8_t* src_scan,
1404 int width,
1405 int dest_Bpp,
1406 int src_Bpp) {
1407 if (dest_Bpp == src_Bpp) {
1408 FXSYS_memcpy(dest_scan, src_scan, width * dest_Bpp);
1409 return;
1410 }
1411 for (int col = 0; col < width; col++) {
1412 dest_scan[0] = src_scan[0];
1413 dest_scan[1] = src_scan[1];
1414 dest_scan[2] = src_scan[2];
1415 dest_scan += dest_Bpp;
1416 src_scan += src_Bpp;
1417 }
1418 }
1419 inline void _CompositeRow_Rgb2Rgb_NoBlend_Clip(uint8_t* dest_scan,
1420 const uint8_t* src_scan,
1421 int width,
1422 int dest_Bpp,
1423 int src_Bpp,
1424 const uint8_t* clip_scan) {
1425 for (int col = 0; col < width; col++) {
1426 int src_alpha = clip_scan[col];
1427 if (src_alpha == 255) {
1428 dest_scan[0] = src_scan[0];
1429 dest_scan[1] = src_scan[1];
1430 dest_scan[2] = src_scan[2];
1431 } else if (src_alpha) {
1432 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, src_alpha);
1433 dest_scan++;
1434 src_scan++;
1435 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, src_alpha);
1436 dest_scan++;
1437 src_scan++;
1438 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, src_alpha);
1439 dest_scan += dest_Bpp - 2;
1440 src_scan += src_Bpp - 2;
1441 continue;
1442 }
1443 dest_scan += dest_Bpp;
1444 src_scan += src_Bpp;
1445 }
1446 }
1447 void _CompositeRow_Argb2Argb_Transform(uint8_t* dest_scan,
1448 const uint8_t* src_scan,
1449 int pixel_count,
1450 int blend_type,
1451 const uint8_t* clip_scan,
1452 uint8_t* dest_alpha_scan,
1453 const uint8_t* src_alpha_scan,
1454 uint8_t* src_cache_scan,
1455 void* pIccTransform) {
1456 uint8_t* dp = src_cache_scan;
1457 ICodec_IccModule* pIccModule =
1458 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1459 if (src_alpha_scan) {
1460 if (dest_alpha_scan) {
1461 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, pixel_count);
1462 } else {
1463 for (int col = 0; col < pixel_count; col++) {
1464 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1465 dp[3] = *src_alpha_scan++;
1466 src_scan += 3;
1467 dp += 4;
1468 }
1469 src_alpha_scan = NULL;
1470 }
1471 } else {
1472 if (dest_alpha_scan) {
1473 int blended_colors[3];
1474 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1475 for (int col = 0; col < pixel_count; col++) {
1476 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1477 1);
1478 uint8_t back_alpha = *dest_alpha_scan;
1479 if (back_alpha == 0) {
1480 if (clip_scan) {
1481 int src_alpha = clip_scan[col] * src_scan[3] / 255;
1482 *dest_alpha_scan = src_alpha;
1483 *dest_scan++ = *src_cache_scan++;
1484 *dest_scan++ = *src_cache_scan++;
1485 *dest_scan++ = *src_cache_scan++;
1486 } else {
1487 *dest_alpha_scan = src_scan[3];
1488 *dest_scan++ = *src_cache_scan++;
1489 *dest_scan++ = *src_cache_scan++;
1490 *dest_scan++ = *src_cache_scan++;
1491 }
1492 dest_alpha_scan++;
1493 src_scan += 4;
1494 continue;
1495 }
1496 uint8_t src_alpha;
1497 if (clip_scan) {
1498 src_alpha = clip_scan[col] * src_scan[3] / 255;
1499 } else {
1500 src_alpha = src_scan[3];
1501 }
1502 src_scan += 4;
1503 if (src_alpha == 0) {
1504 dest_scan += 3;
1505 src_cache_scan += 3;
1506 dest_alpha_scan++;
1507 continue;
1508 }
1509 uint8_t dest_alpha =
1510 back_alpha + src_alpha - back_alpha * src_alpha / 255;
1511 *dest_alpha_scan++ = dest_alpha;
1512 int alpha_ratio = src_alpha * 255 / dest_alpha;
1513 if (bNonseparableBlend) {
1514 _RGB_Blend(blend_type, src_cache_scan, dest_scan, blended_colors);
1515 }
1516 for (int color = 0; color < 3; color++) {
1517 if (blend_type) {
1518 int blended = bNonseparableBlend
1519 ? blended_colors[color]
1520 : _BLEND(blend_type, *dest_scan, *src_cache_scan);
1521 blended = FXDIB_ALPHA_MERGE(*src_cache_scan, blended, back_alpha);
1522 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
1523 } else {
1524 *dest_scan =
1525 FXDIB_ALPHA_MERGE(*dest_scan, *src_cache_scan, alpha_ratio);
1526 }
1527 dest_scan++;
1528 src_cache_scan++;
1529 }
1530 }
1531 return;
1532 }
1533 for (int col = 0; col < pixel_count; col++) {
1534 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1535 dp[3] = src_scan[3];
1536 src_scan += 4;
1537 dp += 4;
1538 }
1539 }
1540 _CompositeRow_Argb2Argb(dest_scan, src_cache_scan, pixel_count, blend_type,
1541 clip_scan, dest_alpha_scan, src_alpha_scan);
1542 }
1543 void _CompositeRow_Rgb2Argb_Blend_NoClip_Transform(uint8_t* dest_scan,
1544 const uint8_t* src_scan,
1545 int width,
1546 int blend_type,
1547 int src_Bpp,
1548 uint8_t* dest_alpha_scan,
1549 uint8_t* src_cache_scan,
1550 void* pIccTransform) {
1551 ICodec_IccModule* pIccModule =
1552 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1553 if (src_Bpp == 3) {
1554 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1555 width);
1556 } else {
1557 uint8_t* dp = src_cache_scan;
1558 for (int col = 0; col < width; col++) {
1559 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1560 src_scan += 4;
1561 dp += 3;
1562 }
1563 }
1564 _CompositeRow_Rgb2Argb_Blend_NoClip(dest_scan, src_cache_scan, width,
1565 blend_type, 3, dest_alpha_scan);
1566 }
1567 inline void _CompositeRow_Rgb2Argb_Blend_Clip_Transform(
1568 uint8_t* dest_scan,
1569 const uint8_t* src_scan,
1570 int width,
1571 int blend_type,
1572 int src_Bpp,
1573 const uint8_t* clip_scan,
1574 uint8_t* dest_alpha_scan,
1575 uint8_t* src_cache_scan,
1576 void* pIccTransform) {
1577 ICodec_IccModule* pIccModule =
1578 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1579 if (src_Bpp == 3) {
1580 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1581 width);
1582 } else {
1583 uint8_t* dp = src_cache_scan;
1584 for (int col = 0; col < width; col++) {
1585 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1586 src_scan += 4;
1587 dp += 3;
1588 }
1589 }
1590 _CompositeRow_Rgb2Argb_Blend_Clip(dest_scan, src_cache_scan, width,
1591 blend_type, 3, clip_scan, dest_alpha_scan);
1592 }
1593 inline void _CompositeRow_Rgb2Argb_NoBlend_Clip_Transform(
1594 uint8_t* dest_scan,
1595 const uint8_t* src_scan,
1596 int width,
1597 int src_Bpp,
1598 const uint8_t* clip_scan,
1599 uint8_t* dest_alpha_scan,
1600 uint8_t* src_cache_scan,
1601 void* pIccTransform) {
1602 ICodec_IccModule* pIccModule =
1603 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1604 if (src_Bpp == 3) {
1605 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1606 width);
1607 } else {
1608 uint8_t* dp = src_cache_scan;
1609 for (int col = 0; col < width; col++) {
1610 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1611 src_scan += 4;
1612 dp += 3;
1613 }
1614 }
1615 _CompositeRow_Rgb2Argb_NoBlend_Clip(dest_scan, src_cache_scan, width, 3,
1616 clip_scan, dest_alpha_scan);
1617 }
1618 inline void _CompositeRow_Rgb2Argb_NoBlend_NoClip_Transform(
1619 uint8_t* dest_scan,
1620 const uint8_t* src_scan,
1621 int width,
1622 int src_Bpp,
1623 uint8_t* dest_alpha_scan,
1624 uint8_t* src_cache_scan,
1625 void* pIccTransform) {
1626 ICodec_IccModule* pIccModule =
1627 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1628 if (src_Bpp == 3) {
1629 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1630 width);
1631 } else {
1632 uint8_t* dp = src_cache_scan;
1633 for (int col = 0; col < width; col++) {
1634 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1635 src_scan += 4;
1636 dp += 3;
1637 }
1638 }
1639 _CompositeRow_Rgb2Argb_NoBlend_NoClip(dest_scan, src_cache_scan, width, 3,
1640 dest_alpha_scan);
1641 }
1642 inline void _CompositeRow_Argb2Rgb_Blend_Transform(
1643 uint8_t* dest_scan,
1644 const uint8_t* src_scan,
1645 int width,
1646 int blend_type,
1647 int dest_Bpp,
1648 const uint8_t* clip_scan,
1649 const uint8_t* src_alpha_scan,
1650 uint8_t* src_cache_scan,
1651 void* pIccTransform) {
1652 ICodec_IccModule* pIccModule =
1653 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1654 if (src_alpha_scan) {
1655 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1656 width);
1657 } else {
1658 int blended_colors[3];
1659 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1660 int dest_gap = dest_Bpp - 3;
1661 for (int col = 0; col < width; col++) {
1662 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan, 1);
1663 uint8_t src_alpha;
1664 if (clip_scan) {
1665 src_alpha = src_scan[3] * (*clip_scan++) / 255;
1666 } else {
1667 src_alpha = src_scan[3];
1668 }
1669 src_scan += 4;
1670 if (src_alpha == 0) {
1671 dest_scan += dest_Bpp;
1672 src_cache_scan += 3;
1673 continue;
1674 }
1675 if (bNonseparableBlend) {
1676 _RGB_Blend(blend_type, src_cache_scan, dest_scan, blended_colors);
1677 }
1678 for (int color = 0; color < 3; color++) {
1679 int back_color = *dest_scan;
1680 int blended = bNonseparableBlend
1681 ? blended_colors[color]
1682 : _BLEND(blend_type, back_color, *src_cache_scan);
1683 *dest_scan = FXDIB_ALPHA_MERGE(back_color, blended, src_alpha);
1684 dest_scan++;
1685 src_cache_scan++;
1686 }
1687 dest_scan += dest_gap;
1688 }
1689 return;
1690 }
1691 _CompositeRow_Argb2Rgb_Blend(dest_scan, src_cache_scan, width, blend_type,
1692 dest_Bpp, clip_scan, src_alpha_scan);
1693 }
1694 inline void _CompositeRow_Argb2Rgb_NoBlend_Transform(
1695 uint8_t* dest_scan,
1696 const uint8_t* src_scan,
1697 int width,
1698 int dest_Bpp,
1699 const uint8_t* clip_scan,
1700 const uint8_t* src_alpha_scan,
1701 uint8_t* src_cache_scan,
1702 void* pIccTransform) {
1703 ICodec_IccModule* pIccModule =
1704 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1705 if (src_alpha_scan) {
1706 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1707 width);
1708 } else {
1709 int dest_gap = dest_Bpp - 3;
1710 for (int col = 0; col < width; col++) {
1711 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan, 1);
1712 uint8_t src_alpha;
1713 if (clip_scan) {
1714 src_alpha = src_scan[3] * (*clip_scan++) / 255;
1715 } else {
1716 src_alpha = src_scan[3];
1717 }
1718 src_scan += 4;
1719 if (src_alpha == 255) {
1720 *dest_scan++ = *src_cache_scan++;
1721 *dest_scan++ = *src_cache_scan++;
1722 *dest_scan++ = *src_cache_scan++;
1723 dest_scan += dest_gap;
1724 continue;
1725 }
1726 if (src_alpha == 0) {
1727 dest_scan += dest_Bpp;
1728 src_cache_scan += 3;
1729 continue;
1730 }
1731 for (int color = 0; color < 3; color++) {
1732 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_cache_scan, src_alpha);
1733 dest_scan++;
1734 src_cache_scan++;
1735 }
1736 dest_scan += dest_gap;
1737 }
1738 return;
1739 }
1740 _CompositeRow_Argb2Rgb_NoBlend(dest_scan, src_cache_scan, width, dest_Bpp,
1741 clip_scan, src_alpha_scan);
1742 }
1743 inline void _CompositeRow_Rgb2Rgb_Blend_NoClip_Transform(
1744 uint8_t* dest_scan,
1745 const uint8_t* src_scan,
1746 int width,
1747 int blend_type,
1748 int dest_Bpp,
1749 int src_Bpp,
1750 uint8_t* src_cache_scan,
1751 void* pIccTransform) {
1752 ICodec_IccModule* pIccModule =
1753 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1754 if (src_Bpp == 3) {
1755 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1756 width);
1757 } else {
1758 uint8_t* dp = src_cache_scan;
1759 for (int col = 0; col < width; col++) {
1760 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1761 src_scan += 4;
1762 dp += 3;
1763 }
1764 }
1765 _CompositeRow_Rgb2Rgb_Blend_NoClip(dest_scan, src_cache_scan, width,
1766 blend_type, dest_Bpp, 3);
1767 }
1768 inline void _CompositeRow_Rgb2Rgb_Blend_Clip_Transform(uint8_t* dest_scan,
1769 const uint8_t* src_scan,
1770 int width,
1771 int blend_type,
1772 int dest_Bpp,
1773 int src_Bpp,
1774 const uint8_t* clip_scan,
1775 uint8_t* src_cache_scan,
1776 void* pIccTransform) {
1777 ICodec_IccModule* pIccModule =
1778 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1779 if (src_Bpp == 3) {
1780 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1781 width);
1782 } else {
1783 uint8_t* dp = src_cache_scan;
1784 for (int col = 0; col < width; col++) {
1785 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1786 src_scan += 4;
1787 dp += 3;
1788 }
1789 }
1790 _CompositeRow_Rgb2Rgb_Blend_Clip(dest_scan, src_cache_scan, width, blend_type,
1791 dest_Bpp, 3, clip_scan);
1792 }
1793 inline void _CompositeRow_Rgb2Rgb_NoBlend_NoClip_Transform(
1794 uint8_t* dest_scan,
1795 const uint8_t* src_scan,
1796 int width,
1797 int dest_Bpp,
1798 int src_Bpp,
1799 uint8_t* src_cache_scan,
1800 void* pIccTransform) {
1801 ICodec_IccModule* pIccModule =
1802 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1803 if (src_Bpp == 3) {
1804 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1805 width);
1806 } else {
1807 uint8_t* dp = src_cache_scan;
1808 for (int col = 0; col < width; col++) {
1809 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1810 src_scan += 4;
1811 dp += 3;
1812 }
1813 }
1814 _CompositeRow_Rgb2Rgb_NoBlend_NoClip(dest_scan, src_cache_scan, width,
1815 dest_Bpp, 3);
1816 }
1817 inline void _CompositeRow_Rgb2Rgb_NoBlend_Clip_Transform(
1818 uint8_t* dest_scan,
1819 const uint8_t* src_scan,
1820 int width,
1821 int dest_Bpp,
1822 int src_Bpp,
1823 const uint8_t* clip_scan,
1824 uint8_t* src_cache_scan,
1825 void* pIccTransform) {
1826 ICodec_IccModule* pIccModule =
1827 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
1828 if (src_Bpp == 3) {
1829 pIccModule->TranslateScanline(pIccTransform, src_cache_scan, src_scan,
1830 width);
1831 } else {
1832 uint8_t* dp = src_cache_scan;
1833 for (int col = 0; col < width; col++) {
1834 pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
1835 src_scan += 4;
1836 dp += 3;
1837 }
1838 }
1839 _CompositeRow_Rgb2Rgb_NoBlend_Clip(dest_scan, src_cache_scan, width, dest_Bpp,
1840 3, clip_scan);
1841 }
1842 inline void _CompositeRow_8bppPal2Gray(uint8_t* dest_scan,
1843 const uint8_t* src_scan,
1844 const uint8_t* pPalette,
1845 int pixel_count,
1846 int blend_type,
1847 const uint8_t* clip_scan,
1848 const uint8_t* src_alpha_scan) {
1849 if (src_alpha_scan) {
1850 if (blend_type) {
1851 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1852 int blended_color;
1853 for (int col = 0; col < pixel_count; col++) {
1854 uint8_t gray = pPalette[*src_scan];
1855 int src_alpha = *src_alpha_scan++;
1856 if (clip_scan) {
1857 src_alpha = clip_scan[col] * src_alpha / 255;
1858 }
1859 if (bNonseparableBlend) {
1860 blended_color =
1861 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
1862 }
1863 gray = bNonseparableBlend ? blended_color
1864 : _BLEND(blend_type, *dest_scan, gray);
1865 if (src_alpha) {
1866 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
1867 } else {
1868 *dest_scan = gray;
1869 }
1870 dest_scan++;
1871 src_scan++;
1872 }
1873 return;
1874 }
1875 for (int col = 0; col < pixel_count; col++) {
1876 uint8_t gray = pPalette[*src_scan];
1877 int src_alpha = *src_alpha_scan++;
1878 if (clip_scan) {
1879 src_alpha = clip_scan[col] * src_alpha / 255;
1880 }
1881 if (src_alpha) {
1882 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
1883 } else {
1884 *dest_scan = gray;
1885 }
1886 dest_scan++;
1887 src_scan++;
1888 }
1889 } else {
1890 if (blend_type) {
1891 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1892 int blended_color;
1893 for (int col = 0; col < pixel_count; col++) {
1894 uint8_t gray = pPalette[*src_scan];
1895 if (bNonseparableBlend) {
1896 blended_color =
1897 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
1898 }
1899 gray = bNonseparableBlend ? blended_color
1900 : _BLEND(blend_type, *dest_scan, gray);
1901 if (clip_scan && clip_scan[col] < 255) {
1902 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
1903 } else {
1904 *dest_scan = gray;
1905 }
1906 dest_scan++;
1907 src_scan++;
1908 }
1909 return;
1910 }
1911 for (int col = 0; col < pixel_count; col++) {
1912 uint8_t gray = pPalette[*src_scan];
1913 if (clip_scan && clip_scan[col] < 255) {
1914 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
1915 } else {
1916 *dest_scan = gray;
1917 }
1918 dest_scan++;
1919 src_scan++;
1920 }
1921 }
1922 }
1923 inline void _CompositeRow_8bppPal2Graya(uint8_t* dest_scan,
1924 const uint8_t* src_scan,
1925 const uint8_t* pPalette,
1926 int pixel_count,
1927 int blend_type,
1928 const uint8_t* clip_scan,
1929 uint8_t* dest_alpha_scan,
1930 const uint8_t* src_alpha_scan) {
1931 if (src_alpha_scan) {
1932 if (blend_type) {
1933 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
1934 int blended_color;
1935 for (int col = 0; col < pixel_count; col++) {
1936 uint8_t gray = pPalette[*src_scan];
1937 src_scan++;
1938 uint8_t back_alpha = *dest_alpha_scan;
1939 if (back_alpha == 0) {
1940 int src_alpha = *src_alpha_scan++;
1941 if (clip_scan) {
1942 src_alpha = clip_scan[col] * src_alpha / 255;
1943 }
1944 if (src_alpha) {
1945 *dest_scan = gray;
1946 *dest_alpha_scan = src_alpha;
1947 }
1948 dest_scan++;
1949 dest_alpha_scan++;
1950 continue;
1951 }
1952 uint8_t src_alpha = *src_alpha_scan++;
1953 if (clip_scan) {
1954 src_alpha = clip_scan[col] * src_alpha / 255;
1955 }
1956 if (src_alpha == 0) {
1957 dest_scan++;
1958 dest_alpha_scan++;
1959 continue;
1960 }
1961 *dest_alpha_scan =
1962 back_alpha + src_alpha - back_alpha * src_alpha / 255;
1963 int alpha_ratio = src_alpha * 255 / (*dest_alpha_scan);
1964 if (bNonseparableBlend) {
1965 blended_color =
1966 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
1967 }
1968 gray = bNonseparableBlend ? blended_color
1969 : _BLEND(blend_type, *dest_scan, gray);
1970 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
1971 dest_alpha_scan++;
1972 dest_scan++;
1973 }
1974 return;
1975 }
1976 for (int col = 0; col < pixel_count; col++) {
1977 uint8_t gray = pPalette[*src_scan];
1978 src_scan++;
1979 uint8_t back_alpha = *dest_alpha_scan;
1980 if (back_alpha == 0) {
1981 int src_alpha = *src_alpha_scan++;
1982 if (clip_scan) {
1983 src_alpha = clip_scan[col] * src_alpha / 255;
1984 }
1985 if (src_alpha) {
1986 *dest_scan = gray;
1987 *dest_alpha_scan = src_alpha;
1988 }
1989 dest_scan++;
1990 dest_alpha_scan++;
1991 continue;
1992 }
1993 uint8_t src_alpha = *src_alpha_scan++;
1994 if (clip_scan) {
1995 src_alpha = clip_scan[col] * src_alpha / 255;
1996 }
1997 if (src_alpha == 0) {
1998 dest_scan++;
1999 dest_alpha_scan++;
2000 continue;
2001 }
2002 *dest_alpha_scan = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2003 int alpha_ratio = src_alpha * 255 / (*dest_alpha_scan);
2004 dest_alpha_scan++;
2005 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
2006 dest_scan++;
2007 }
2008 } else {
2009 if (blend_type) {
2010 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
2011 int blended_color;
2012 for (int col = 0; col < pixel_count; col++) {
2013 uint8_t gray = pPalette[*src_scan];
2014 src_scan++;
2015 if (!clip_scan || clip_scan[col] == 255) {
2016 *dest_scan++ = gray;
2017 *dest_alpha_scan++ = 255;
2018 continue;
2019 }
2020 int src_alpha = clip_scan[col];
2021 if (src_alpha == 0) {
2022 dest_scan++;
2023 dest_alpha_scan++;
2024 continue;
2025 }
2026 int back_alpha = *dest_alpha_scan;
2027 uint8_t dest_alpha =
2028 back_alpha + src_alpha - back_alpha * src_alpha / 255;
2029 *dest_alpha_scan++ = dest_alpha;
2030 int alpha_ratio = src_alpha * 255 / dest_alpha;
2031 if (bNonseparableBlend) {
2032 blended_color =
2033 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
2034 }
2035 gray = bNonseparableBlend ? blended_color
2036 : _BLEND(blend_type, *dest_scan, gray);
2037 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
2038 dest_scan++;
2039 }
2040 return;
2041 }
2042 for (int col = 0; col < pixel_count; col++) {
2043 uint8_t gray = pPalette[*src_scan];
2044 src_scan++;
2045 if (!clip_scan || clip_scan[col] == 255) {
2046 *dest_scan++ = gray;
2047 *dest_alpha_scan++ = 255;
2048 continue;
2049 }
2050 int src_alpha = clip_scan[col];
2051 if (src_alpha == 0) {
2052 dest_scan++;
2053 dest_alpha_scan++;
2054 continue;
2055 }
2056 int back_alpha = *dest_alpha_scan;
2057 uint8_t dest_alpha =
2058 back_alpha + src_alpha - back_alpha * src_alpha / 255;
2059 *dest_alpha_scan++ = dest_alpha;
2060 int alpha_ratio = src_alpha * 255 / dest_alpha;
2061 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
2062 dest_scan++;
2063 }
2064 }
2065 }
2066 inline void _CompositeRow_1bppPal2Gray(uint8_t* dest_scan,
2067 const uint8_t* src_scan,
2068 int src_left,
2069 const uint8_t* pPalette,
2070 int pixel_count,
2071 int blend_type,
2072 const uint8_t* clip_scan) {
2073 int reset_gray = pPalette[0];
2074 int set_gray = pPalette[1];
2075 if (blend_type) {
2076 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
2077 int blended_color;
2078 for (int col = 0; col < pixel_count; col++) {
2079 uint8_t gray =
2080 (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8)))
2081 ? set_gray
2082 : reset_gray;
2083 if (bNonseparableBlend) {
2084 blended_color =
2085 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
2086 }
2087 gray = bNonseparableBlend ? blended_color
2088 : _BLEND(blend_type, *dest_scan, gray);
2089 if (clip_scan && clip_scan[col] < 255) {
2090 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
2091 } else {
2092 *dest_scan = gray;
2093 }
2094 dest_scan++;
2095 }
2096 return;
2097 }
2098 for (int col = 0; col < pixel_count; col++) {
2099 uint8_t gray =
2100 (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8)))
2101 ? set_gray
2102 : reset_gray;
2103 if (clip_scan && clip_scan[col] < 255) {
2104 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
2105 } else {
2106 *dest_scan = gray;
2107 }
2108 dest_scan++;
2109 }
2110 }
2111 inline void _CompositeRow_1bppPal2Graya(uint8_t* dest_scan,
2112 const uint8_t* src_scan,
2113 int src_left,
2114 const uint8_t* pPalette,
2115 int pixel_count,
2116 int blend_type,
2117 const uint8_t* clip_scan,
2118 uint8_t* dest_alpha_scan) {
2119 int reset_gray = pPalette[0];
2120 int set_gray = pPalette[1];
2121 if (blend_type) {
2122 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
2123 int blended_color;
2124 for (int col = 0; col < pixel_count; col++) {
2125 uint8_t gray =
2126 (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8)))
2127 ? set_gray
2128 : reset_gray;
2129 if (!clip_scan || clip_scan[col] == 255) {
2130 *dest_scan++ = gray;
2131 *dest_alpha_scan++ = 255;
2132 continue;
2133 }
2134 int src_alpha = clip_scan[col];
2135 if (src_alpha == 0) {
2136 dest_scan++;
2137 dest_alpha_scan++;
2138 continue;
2139 }
2140 int back_alpha = *dest_alpha_scan;
2141 uint8_t dest_alpha =
2142 back_alpha + src_alpha - back_alpha * src_alpha / 255;
2143 *dest_alpha_scan++ = dest_alpha;
2144 int alpha_ratio = src_alpha * 255 / dest_alpha;
2145 if (bNonseparableBlend) {
2146 blended_color =
2147 blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
2148 }
2149 gray = bNonseparableBlend ? blended_color
2150 : _BLEND(blend_type, *dest_scan, gray);
2151 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
2152 dest_scan++;
2153 }
2154 return;
2155 }
2156 for (int col = 0; col < pixel_count; col++) {
2157 uint8_t gray =
2158 (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8)))
2159 ? set_gray
2160 : reset_gray;
2161 if (!clip_scan || clip_scan[col] == 255) {
2162 *dest_scan++ = gray;
2163 *dest_alpha_scan++ = 255;
2164 continue;
2165 }
2166 int src_alpha = clip_scan[col];
2167 if (src_alpha == 0) {
2168 dest_scan++;
2169 dest_alpha_scan++;
2170 continue;
2171 }
2172 int back_alpha = *dest_alpha_scan;
2173 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2174 *dest_alpha_scan++ = dest_alpha;
2175 int alpha_ratio = src_alpha * 255 / dest_alpha;
2176 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
2177 dest_scan++;
2178 }
2179 }
2180 inline void _CompositeRow_8bppRgb2Rgb_NoBlend(uint8_t* dest_scan,
2181 const uint8_t* src_scan,
2182 FX_DWORD* pPalette,
2183 int pixel_count,
2184 int DestBpp,
2185 const uint8_t* clip_scan,
2186 const uint8_t* src_alpha_scan) {
2187 if (src_alpha_scan) {
2188 int dest_gap = DestBpp - 3;
2189 FX_ARGB argb = 0;
2190 for (int col = 0; col < pixel_count; col++) {
2191 argb = pPalette[*src_scan];
2192 int src_r = FXARGB_R(argb);
2193 int src_g = FXARGB_G(argb);
2194 int src_b = FXARGB_B(argb);
2195 src_scan++;
2196 uint8_t src_alpha = 0;
2197 if (clip_scan) {
2198 src_alpha = (*src_alpha_scan++) * (*clip_scan++) / 255;
2199 } else {
2200 src_alpha = *src_alpha_scan++;
2201 }
2202 if (src_alpha == 255) {
2203 *dest_scan++ = src_b;
2204 *dest_scan++ = src_g;
2205 *dest_scan++ = src_r;
2206 dest_scan += dest_gap;
2207 continue;
2208 }
2209 if (src_alpha == 0) {
2210 dest_scan += DestBpp;
2211 continue;
2212 }
2213 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, src_alpha);
2214 dest_scan++;
2215 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, src_alpha);
2216 dest_scan++;
2217 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, src_alpha);
2218 dest_scan++;
2219 dest_scan += dest_gap;
2220 }
2221 } else {
2222 FX_ARGB argb = 0;
2223 for (int col = 0; col < pixel_count; col++) {
2224 argb = pPalette[*src_scan];
2225 int src_r = FXARGB_R(argb);
2226 int src_g = FXARGB_G(argb);
2227 int src_b = FXARGB_B(argb);
2228 if (clip_scan && clip_scan[col] < 255) {
2229 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, clip_scan[col]);
2230 dest_scan++;
2231 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, clip_scan[col]);
2232 dest_scan++;
2233 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, clip_scan[col]);
2234 dest_scan++;
2235 } else {
2236 *dest_scan++ = src_b;
2237 *dest_scan++ = src_g;
2238 *dest_scan++ = src_r;
2239 }
2240 if (DestBpp == 4) {
2241 dest_scan++;
2242 }
2243 src_scan++;
2244 }
2245 }
2246 }
2247 inline void _CompositeRow_1bppRgb2Rgb_NoBlend(uint8_t* dest_scan,
2248 const uint8_t* src_scan,
2249 int src_left,
2250 FX_DWORD* pPalette,
2251 int pixel_count,
2252 int DestBpp,
2253 const uint8_t* clip_scan) {
2254 int reset_r, reset_g, reset_b;
2255 int set_r, set_g, set_b;
2256 reset_r = FXARGB_R(pPalette[0]);
2257 reset_g = FXARGB_G(pPalette[0]);
2258 reset_b = FXARGB_B(pPalette[0]);
2259 set_r = FXARGB_R(pPalette[1]);
2260 set_g = FXARGB_G(pPalette[1]);
2261 set_b = FXARGB_B(pPalette[1]);
2262 for (int col = 0; col < pixel_count; col++) {
2263 int src_r, src_g, src_b;
2264 if (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8))) {
2265 src_r = set_r;
2266 src_g = set_g;
2267 src_b = set_b;
2268 } else {
2269 src_r = reset_r;
2270 src_g = reset_g;
2271 src_b = reset_b;
2272 }
2273 if (clip_scan && clip_scan[col] < 255) {
2274 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, clip_scan[col]);
2275 dest_scan++;
2276 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, clip_scan[col]);
2277 dest_scan++;
2278 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, clip_scan[col]);
2279 dest_scan++;
2280 } else {
2281 *dest_scan++ = src_b;
2282 *dest_scan++ = src_g;
2283 *dest_scan++ = src_r;
2284 }
2285 if (DestBpp == 4) {
2286 dest_scan++;
2287 }
2288 }
2289 }
2290 inline void _CompositeRow_8bppRgb2Argb_NoBlend(uint8_t* dest_scan,
2291 const uint8_t* src_scan,
2292 int width,
2293 FX_DWORD* pPalette,
2294 const uint8_t* clip_scan,
2295 const uint8_t* src_alpha_scan) {
2296 if (src_alpha_scan) {
2297 for (int col = 0; col < width; col++) {
2298 FX_ARGB argb = pPalette[*src_scan];
2299 src_scan++;
2300 int src_r = FXARGB_R(argb);
2301 int src_g = FXARGB_G(argb);
2302 int src_b = FXARGB_B(argb);
2303 uint8_t back_alpha = dest_scan[3];
2304 if (back_alpha == 0) {
2305 if (clip_scan) {
2306 int src_alpha = clip_scan[col] * (*src_alpha_scan) / 255;
2307 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha, src_r, src_g, src_b));
2308 } else {
2309 FXARGB_SETDIB(dest_scan,
2310 FXARGB_MAKE(*src_alpha_scan, src_r, src_g, src_b));
2311 }
2312 dest_scan += 4;
2313 src_alpha_scan++;
2314 continue;
2315 }
2316 uint8_t src_alpha;
2317 if (clip_scan) {
2318 src_alpha = clip_scan[col] * (*src_alpha_scan++) / 255;
2319 } else {
2320 src_alpha = *src_alpha_scan++;
2321 }
2322 if (src_alpha == 0) {
2323 dest_scan += 4;
2324 continue;
2325 }
2326 uint8_t dest_alpha =
2327 back_alpha + src_alpha - back_alpha * src_alpha / 255;
2328 dest_scan[3] = dest_alpha;
2329 int alpha_ratio = src_alpha * 255 / dest_alpha;
2330 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2331 dest_scan++;
2332 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2333 dest_scan++;
2334 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2335 dest_scan++;
2336 dest_scan++;
2337 }
2338 } else {
2339 for (int col = 0; col < width; col++) {
2340 FX_ARGB argb = pPalette[*src_scan];
2341 int src_r = FXARGB_R(argb);
2342 int src_g = FXARGB_G(argb);
2343 int src_b = FXARGB_B(argb);
2344 if (!clip_scan || clip_scan[col] == 255) {
2345 *dest_scan++ = src_b;
2346 *dest_scan++ = src_g;
2347 *dest_scan++ = src_r;
2348 *dest_scan++ = 255;
2349 src_scan++;
2350 continue;
2351 }
2352 int src_alpha = clip_scan[col];
2353 if (src_alpha == 0) {
2354 dest_scan += 4;
2355 src_scan++;
2356 continue;
2357 }
2358 int back_alpha = dest_scan[3];
2359 uint8_t dest_alpha =
2360 back_alpha + src_alpha - back_alpha * src_alpha / 255;
2361 dest_scan[3] = dest_alpha;
2362 int alpha_ratio = src_alpha * 255 / dest_alpha;
2363 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2364 dest_scan++;
2365 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2366 dest_scan++;
2367 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2368 dest_scan++;
2369 dest_scan++;
2370 src_scan++;
2371 }
2372 }
2373 }
2374
2375 void _CompositeRow_8bppRgb2Rgba_NoBlend(uint8_t* dest_scan,
2376 const uint8_t* src_scan,
2377 int width,
2378 FX_DWORD* pPalette,
2379 const uint8_t* clip_scan,
2380 uint8_t* dest_alpha_scan,
2381 const uint8_t* src_alpha_scan) {
2382 if (src_alpha_scan) {
2383 for (int col = 0; col < width; col++) {
2384 FX_ARGB argb = pPalette[*src_scan];
2385 src_scan++;
2386 int src_r = FXARGB_R(argb);
2387 int src_g = FXARGB_G(argb);
2388 int src_b = FXARGB_B(argb);
2389 uint8_t back_alpha = *dest_alpha_scan;
2390 if (back_alpha == 0) {
2391 if (clip_scan) {
2392 int src_alpha = clip_scan[col] * (*src_alpha_scan) / 255;
2393 *dest_alpha_scan++ = src_alpha;
2394 } else {
2395 *dest_alpha_scan++ = *src_alpha_scan;
2396 }
2397 *dest_scan++ = src_b;
2398 *dest_scan++ = src_g;
2399 *dest_scan++ = src_r;
2400 src_alpha_scan++;
2401 continue;
2402 }
2403 uint8_t src_alpha;
2404 if (clip_scan) {
2405 src_alpha = clip_scan[col] * (*src_alpha_scan++) / 255;
2406 } else {
2407 src_alpha = *src_alpha_scan++;
2408 }
2409 if (src_alpha == 0) {
2410 dest_scan += 3;
2411 dest_alpha_scan++;
2412 continue;
2413 }
2414 uint8_t dest_alpha =
2415 back_alpha + src_alpha - back_alpha * src_alpha / 255;
2416 *dest_alpha_scan++ = dest_alpha;
2417 int alpha_ratio = src_alpha * 255 / dest_alpha;
2418 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2419 dest_scan++;
2420 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2421 dest_scan++;
2422 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2423 dest_scan++;
2424 }
2425 } else {
2426 for (int col = 0; col < width; col++) {
2427 FX_ARGB argb = pPalette[*src_scan];
2428 int src_r = FXARGB_R(argb);
2429 int src_g = FXARGB_G(argb);
2430 int src_b = FXARGB_B(argb);
2431 if (!clip_scan || clip_scan[col] == 255) {
2432 *dest_scan++ = src_b;
2433 *dest_scan++ = src_g;
2434 *dest_scan++ = src_r;
2435 *dest_alpha_scan++ = 255;
2436 src_scan++;
2437 continue;
2438 }
2439 int src_alpha = clip_scan[col];
2440 if (src_alpha == 0) {
2441 dest_scan += 3;
2442 dest_alpha_scan++;
2443 src_scan++;
2444 continue;
2445 }
2446 int back_alpha = *dest_alpha_scan;
2447 uint8_t dest_alpha =
2448 back_alpha + src_alpha - back_alpha * src_alpha / 255;
2449 *dest_alpha_scan++ = dest_alpha;
2450 int alpha_ratio = src_alpha * 255 / dest_alpha;
2451 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2452 dest_scan++;
2453 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2454 dest_scan++;
2455 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2456 dest_scan++;
2457 src_scan++;
2458 }
2459 }
2460 }
2461
2462 inline void _CompositeRow_1bppRgb2Argb_NoBlend(uint8_t* dest_scan,
2463 const uint8_t* src_scan,
2464 int src_left,
2465 int width,
2466 FX_DWORD* pPalette,
2467 const uint8_t* clip_scan) {
2468 int reset_r, reset_g, reset_b;
2469 int set_r, set_g, set_b;
2470 reset_r = FXARGB_R(pPalette[0]);
2471 reset_g = FXARGB_G(pPalette[0]);
2472 reset_b = FXARGB_B(pPalette[0]);
2473 set_r = FXARGB_R(pPalette[1]);
2474 set_g = FXARGB_G(pPalette[1]);
2475 set_b = FXARGB_B(pPalette[1]);
2476 for (int col = 0; col < width; col++) {
2477 int src_r, src_g, src_b;
2478 if (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8))) {
2479 src_r = set_r;
2480 src_g = set_g;
2481 src_b = set_b;
2482 } else {
2483 src_r = reset_r;
2484 src_g = reset_g;
2485 src_b = reset_b;
2486 }
2487 if (!clip_scan || clip_scan[col] == 255) {
2488 *dest_scan++ = src_b;
2489 *dest_scan++ = src_g;
2490 *dest_scan++ = src_r;
2491 *dest_scan++ = 255;
2492 continue;
2493 }
2494 int src_alpha = clip_scan[col];
2495 if (src_alpha == 0) {
2496 dest_scan += 4;
2497 continue;
2498 }
2499 int back_alpha = dest_scan[3];
2500 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2501 dest_scan[3] = dest_alpha;
2502 int alpha_ratio = src_alpha * 255 / dest_alpha;
2503 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2504 dest_scan++;
2505 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2506 dest_scan++;
2507 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2508 dest_scan++;
2509 dest_scan++;
2510 }
2511 }
2512 void _CompositeRow_1bppRgb2Rgba_NoBlend(uint8_t* dest_scan,
2513 const uint8_t* src_scan,
2514 int src_left,
2515 int width,
2516 FX_DWORD* pPalette,
2517 const uint8_t* clip_scan,
2518 uint8_t* dest_alpha_scan) {
2519 int reset_r, reset_g, reset_b;
2520 int set_r, set_g, set_b;
2521 reset_r = FXARGB_R(pPalette[0]);
2522 reset_g = FXARGB_G(pPalette[0]);
2523 reset_b = FXARGB_B(pPalette[0]);
2524 set_r = FXARGB_R(pPalette[1]);
2525 set_g = FXARGB_G(pPalette[1]);
2526 set_b = FXARGB_B(pPalette[1]);
2527 for (int col = 0; col < width; col++) {
2528 int src_r, src_g, src_b;
2529 if (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8))) {
2530 src_r = set_r;
2531 src_g = set_g;
2532 src_b = set_b;
2533 } else {
2534 src_r = reset_r;
2535 src_g = reset_g;
2536 src_b = reset_b;
2537 }
2538 if (!clip_scan || clip_scan[col] == 255) {
2539 *dest_scan++ = src_b;
2540 *dest_scan++ = src_g;
2541 *dest_scan++ = src_r;
2542 *dest_alpha_scan++ = 255;
2543 continue;
2544 }
2545 int src_alpha = clip_scan[col];
2546 if (src_alpha == 0) {
2547 dest_scan += 3;
2548 dest_alpha_scan++;
2549 continue;
2550 }
2551 int back_alpha = *dest_alpha_scan;
2552 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2553 *dest_alpha_scan++ = dest_alpha;
2554 int alpha_ratio = src_alpha * 255 / dest_alpha;
2555 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2556 dest_scan++;
2557 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2558 dest_scan++;
2559 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2560 dest_scan++;
2561 }
2562 }
2563 void _CompositeRow_ByteMask2Argb(uint8_t* dest_scan,
2564 const uint8_t* src_scan,
2565 int mask_alpha,
2566 int src_r,
2567 int src_g,
2568 int src_b,
2569 int pixel_count,
2570 int blend_type,
2571 const uint8_t* clip_scan) {
2572 for (int col = 0; col < pixel_count; col++) {
2573 int src_alpha;
2574 if (clip_scan) {
2575 src_alpha = mask_alpha * clip_scan[col] * src_scan[col] / 255 / 255;
2576 } else {
2577 src_alpha = mask_alpha * src_scan[col] / 255;
2578 }
2579 uint8_t back_alpha = dest_scan[3];
2580 if (back_alpha == 0) {
2581 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha, src_r, src_g, src_b));
2582 dest_scan += 4;
2583 continue;
2584 }
2585 if (src_alpha == 0) {
2586 dest_scan += 4;
2587 continue;
2588 }
2589 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2590 dest_scan[3] = dest_alpha;
2591 int alpha_ratio = src_alpha * 255 / dest_alpha;
2592 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
2593 int blended_colors[3];
2594 uint8_t src_scan[3];
2595 src_scan[0] = src_b;
2596 src_scan[1] = src_g;
2597 src_scan[2] = src_r;
2598 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
2599 *dest_scan =
2600 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[0], alpha_ratio);
2601 dest_scan++;
2602 *dest_scan =
2603 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[1], alpha_ratio);
2604 dest_scan++;
2605 *dest_scan =
2606 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[2], alpha_ratio);
2607 } else if (blend_type) {
2608 int blended = _BLEND(blend_type, *dest_scan, src_b);
2609 blended = FXDIB_ALPHA_MERGE(src_b, blended, back_alpha);
2610 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2611 dest_scan++;
2612 blended = _BLEND(blend_type, *dest_scan, src_g);
2613 blended = FXDIB_ALPHA_MERGE(src_g, blended, back_alpha);
2614 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2615 dest_scan++;
2616 blended = _BLEND(blend_type, *dest_scan, src_r);
2617 blended = FXDIB_ALPHA_MERGE(src_r, blended, back_alpha);
2618 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2619 } else {
2620 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2621 dest_scan++;
2622 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2623 dest_scan++;
2624 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2625 }
2626 dest_scan += 2;
2627 }
2628 }
2629 void _CompositeRow_ByteMask2Rgba(uint8_t* dest_scan,
2630 const uint8_t* src_scan,
2631 int mask_alpha,
2632 int src_r,
2633 int src_g,
2634 int src_b,
2635 int pixel_count,
2636 int blend_type,
2637 const uint8_t* clip_scan,
2638 uint8_t* dest_alpha_scan) {
2639 for (int col = 0; col < pixel_count; col++) {
2640 int src_alpha;
2641 if (clip_scan) {
2642 src_alpha = mask_alpha * clip_scan[col] * src_scan[col] / 255 / 255;
2643 } else {
2644 src_alpha = mask_alpha * src_scan[col] / 255;
2645 }
2646 uint8_t back_alpha = *dest_alpha_scan;
2647 if (back_alpha == 0) {
2648 *dest_scan++ = src_b;
2649 *dest_scan++ = src_g;
2650 *dest_scan++ = src_r;
2651 *dest_alpha_scan++ = src_alpha;
2652 continue;
2653 }
2654 if (src_alpha == 0) {
2655 dest_scan += 3;
2656 dest_alpha_scan++;
2657 continue;
2658 }
2659 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2660 *dest_alpha_scan++ = dest_alpha;
2661 int alpha_ratio = src_alpha * 255 / dest_alpha;
2662 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
2663 int blended_colors[3];
2664 uint8_t src_scan[3];
2665 src_scan[0] = src_b;
2666 src_scan[1] = src_g;
2667 src_scan[2] = src_r;
2668 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
2669 *dest_scan =
2670 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[0], alpha_ratio);
2671 dest_scan++;
2672 *dest_scan =
2673 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[1], alpha_ratio);
2674 dest_scan++;
2675 *dest_scan =
2676 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[2], alpha_ratio);
2677 dest_scan++;
2678 } else if (blend_type) {
2679 int blended = _BLEND(blend_type, *dest_scan, src_b);
2680 blended = FXDIB_ALPHA_MERGE(src_b, blended, back_alpha);
2681 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2682 dest_scan++;
2683 blended = _BLEND(blend_type, *dest_scan, src_g);
2684 blended = FXDIB_ALPHA_MERGE(src_g, blended, back_alpha);
2685 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2686 dest_scan++;
2687 blended = _BLEND(blend_type, *dest_scan, src_r);
2688 blended = FXDIB_ALPHA_MERGE(src_r, blended, back_alpha);
2689 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2690 dest_scan++;
2691 } else {
2692 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2693 dest_scan++;
2694 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2695 dest_scan++;
2696 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2697 dest_scan++;
2698 }
2699 }
2700 }
2701 void _CompositeRow_ByteMask2Rgb(uint8_t* dest_scan,
2702 const uint8_t* src_scan,
2703 int mask_alpha,
2704 int src_r,
2705 int src_g,
2706 int src_b,
2707 int pixel_count,
2708 int blend_type,
2709 int Bpp,
2710 const uint8_t* clip_scan) {
2711 for (int col = 0; col < pixel_count; col++) {
2712 int src_alpha;
2713 if (clip_scan) {
2714 src_alpha = mask_alpha * clip_scan[col] * src_scan[col] / 255 / 255;
2715 } else {
2716 src_alpha = mask_alpha * src_scan[col] / 255;
2717 }
2718 if (src_alpha == 0) {
2719 dest_scan += Bpp;
2720 continue;
2721 }
2722 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
2723 int blended_colors[3];
2724 uint8_t src_scan[3];
2725 src_scan[0] = src_b;
2726 src_scan[1] = src_g;
2727 src_scan[2] = src_r;
2728 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
2729 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[0], src_alpha);
2730 dest_scan++;
2731 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[1], src_alpha);
2732 dest_scan++;
2733 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[2], src_alpha);
2734 } else if (blend_type) {
2735 int blended = _BLEND(blend_type, *dest_scan, src_b);
2736 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, src_alpha);
2737 dest_scan++;
2738 blended = _BLEND(blend_type, *dest_scan, src_g);
2739 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, src_alpha);
2740 dest_scan++;
2741 blended = _BLEND(blend_type, *dest_scan, src_r);
2742 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, src_alpha);
2743 } else {
2744 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, src_alpha);
2745 dest_scan++;
2746 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, src_alpha);
2747 dest_scan++;
2748 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, src_alpha);
2749 }
2750 dest_scan += Bpp - 2;
2751 }
2752 }
2753 void _CompositeRow_ByteMask2Mask(uint8_t* dest_scan,
2754 const uint8_t* src_scan,
2755 int mask_alpha,
2756 int pixel_count,
2757 const uint8_t* clip_scan) {
2758 for (int col = 0; col < pixel_count; col++) {
2759 int src_alpha;
2760 if (clip_scan) {
2761 src_alpha = mask_alpha * clip_scan[col] * src_scan[col] / 255 / 255;
2762 } else {
2763 src_alpha = mask_alpha * src_scan[col] / 255;
2764 }
2765 uint8_t back_alpha = *dest_scan;
2766 if (!back_alpha) {
2767 *dest_scan = src_alpha;
2768 } else if (src_alpha) {
2769 *dest_scan = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2770 }
2771 dest_scan++;
2772 }
2773 }
2774 void _CompositeRow_ByteMask2Gray(uint8_t* dest_scan,
2775 const uint8_t* src_scan,
2776 int mask_alpha,
2777 int src_gray,
2778 int pixel_count,
2779 const uint8_t* clip_scan) {
2780 for (int col = 0; col < pixel_count; col++) {
2781 int src_alpha;
2782 if (clip_scan) {
2783 src_alpha = mask_alpha * clip_scan[col] * src_scan[col] / 255 / 255;
2784 } else {
2785 src_alpha = mask_alpha * src_scan[col] / 255;
2786 }
2787 if (src_alpha) {
2788 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_gray, src_alpha);
2789 }
2790 dest_scan++;
2791 }
2792 }
2793 void _CompositeRow_ByteMask2Graya(uint8_t* dest_scan,
2794 const uint8_t* src_scan,
2795 int mask_alpha,
2796 int src_gray,
2797 int pixel_count,
2798 const uint8_t* clip_scan,
2799 uint8_t* dest_alpha_scan) {
2800 for (int col = 0; col < pixel_count; col++) {
2801 int src_alpha;
2802 if (clip_scan) {
2803 src_alpha = mask_alpha * clip_scan[col] * src_scan[col] / 255 / 255;
2804 } else {
2805 src_alpha = mask_alpha * src_scan[col] / 255;
2806 }
2807 uint8_t back_alpha = *dest_alpha_scan;
2808 if (back_alpha == 0) {
2809 *dest_scan++ = src_gray;
2810 *dest_alpha_scan++ = src_alpha;
2811 continue;
2812 }
2813 if (src_alpha == 0) {
2814 dest_scan++;
2815 dest_alpha_scan++;
2816 continue;
2817 }
2818 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2819 *dest_alpha_scan++ = dest_alpha;
2820 int alpha_ratio = src_alpha * 255 / dest_alpha;
2821 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_gray, alpha_ratio);
2822 dest_scan++;
2823 }
2824 }
2825 void _CompositeRow_BitMask2Argb(uint8_t* dest_scan,
2826 const uint8_t* src_scan,
2827 int mask_alpha,
2828 int src_r,
2829 int src_g,
2830 int src_b,
2831 int src_left,
2832 int pixel_count,
2833 int blend_type,
2834 const uint8_t* clip_scan) {
2835 if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
2836 FX_ARGB argb = FXARGB_MAKE(0xff, src_r, src_g, src_b);
2837 for (int col = 0; col < pixel_count; col++) {
2838 if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
2839 FXARGB_SETDIB(dest_scan, argb);
2840 }
2841 dest_scan += 4;
2842 }
2843 return;
2844 }
2845 for (int col = 0; col < pixel_count; col++) {
2846 if (!(src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8)))) {
2847 dest_scan += 4;
2848 continue;
2849 }
2850 int src_alpha;
2851 if (clip_scan) {
2852 src_alpha = mask_alpha * clip_scan[col] / 255;
2853 } else {
2854 src_alpha = mask_alpha;
2855 }
2856 uint8_t back_alpha = dest_scan[3];
2857 if (back_alpha == 0) {
2858 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha, src_r, src_g, src_b));
2859 dest_scan += 4;
2860 continue;
2861 }
2862 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2863 dest_scan[3] = dest_alpha;
2864 int alpha_ratio = src_alpha * 255 / dest_alpha;
2865 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
2866 int blended_colors[3];
2867 uint8_t src_scan[3];
2868 src_scan[0] = src_b;
2869 src_scan[1] = src_g;
2870 src_scan[2] = src_r;
2871 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
2872 *dest_scan =
2873 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[0], alpha_ratio);
2874 dest_scan++;
2875 *dest_scan =
2876 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[1], alpha_ratio);
2877 dest_scan++;
2878 *dest_scan =
2879 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[2], alpha_ratio);
2880 } else if (blend_type) {
2881 int blended = _BLEND(blend_type, *dest_scan, src_b);
2882 blended = FXDIB_ALPHA_MERGE(src_b, blended, back_alpha);
2883 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2884 dest_scan++;
2885 blended = _BLEND(blend_type, *dest_scan, src_g);
2886 blended = FXDIB_ALPHA_MERGE(src_g, blended, back_alpha);
2887 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2888 dest_scan++;
2889 blended = _BLEND(blend_type, *dest_scan, src_r);
2890 blended = FXDIB_ALPHA_MERGE(src_r, blended, back_alpha);
2891 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2892 } else {
2893 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2894 dest_scan++;
2895 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2896 dest_scan++;
2897 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2898 }
2899 dest_scan += 2;
2900 }
2901 }
2902 void _CompositeRow_BitMask2Rgba(uint8_t* dest_scan,
2903 const uint8_t* src_scan,
2904 int mask_alpha,
2905 int src_r,
2906 int src_g,
2907 int src_b,
2908 int src_left,
2909 int pixel_count,
2910 int blend_type,
2911 const uint8_t* clip_scan,
2912 uint8_t* dest_alpha_scan) {
2913 if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
2914 for (int col = 0; col < pixel_count; col++) {
2915 if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
2916 dest_scan[0] = src_b;
2917 dest_scan[1] = src_g;
2918 dest_scan[2] = src_r;
2919 *dest_alpha_scan = mask_alpha;
2920 }
2921 dest_scan += 3;
2922 dest_alpha_scan++;
2923 }
2924 return;
2925 }
2926 for (int col = 0; col < pixel_count; col++) {
2927 if (!(src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8)))) {
2928 dest_scan += 3;
2929 dest_alpha_scan++;
2930 continue;
2931 }
2932 int src_alpha;
2933 if (clip_scan) {
2934 src_alpha = mask_alpha * clip_scan[col] / 255;
2935 } else {
2936 src_alpha = mask_alpha;
2937 }
2938 uint8_t back_alpha = dest_scan[3];
2939 if (back_alpha == 0) {
2940 *dest_scan++ = src_b;
2941 *dest_scan++ = src_g;
2942 *dest_scan++ = src_r;
2943 *dest_alpha_scan++ = mask_alpha;
2944 continue;
2945 }
2946 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
2947 *dest_alpha_scan++ = dest_alpha;
2948 int alpha_ratio = src_alpha * 255 / dest_alpha;
2949 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
2950 int blended_colors[3];
2951 uint8_t src_scan[3];
2952 src_scan[0] = src_b;
2953 src_scan[1] = src_g;
2954 src_scan[2] = src_r;
2955 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
2956 *dest_scan =
2957 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[0], alpha_ratio);
2958 dest_scan++;
2959 *dest_scan =
2960 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[1], alpha_ratio);
2961 dest_scan++;
2962 *dest_scan =
2963 FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[2], alpha_ratio);
2964 dest_scan++;
2965 } else if (blend_type) {
2966 int blended = _BLEND(blend_type, *dest_scan, src_b);
2967 blended = FXDIB_ALPHA_MERGE(src_b, blended, back_alpha);
2968 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2969 dest_scan++;
2970 blended = _BLEND(blend_type, *dest_scan, src_g);
2971 blended = FXDIB_ALPHA_MERGE(src_g, blended, back_alpha);
2972 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2973 dest_scan++;
2974 blended = _BLEND(blend_type, *dest_scan, src_r);
2975 blended = FXDIB_ALPHA_MERGE(src_r, blended, back_alpha);
2976 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, alpha_ratio);
2977 dest_scan++;
2978 } else {
2979 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
2980 dest_scan++;
2981 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
2982 dest_scan++;
2983 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
2984 dest_scan++;
2985 }
2986 }
2987 }
2988 void _CompositeRow_BitMask2Rgb(uint8_t* dest_scan,
2989 const uint8_t* src_scan,
2990 int mask_alpha,
2991 int src_r,
2992 int src_g,
2993 int src_b,
2994 int src_left,
2995 int pixel_count,
2996 int blend_type,
2997 int Bpp,
2998 const uint8_t* clip_scan) {
2999 if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
3000 for (int col = 0; col < pixel_count; col++) {
3001 if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
3002 dest_scan[2] = src_r;
3003 dest_scan[1] = src_g;
3004 dest_scan[0] = src_b;
3005 }
3006 dest_scan += Bpp;
3007 }
3008 return;
3009 }
3010 for (int col = 0; col < pixel_count; col++) {
3011 if (!(src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8)))) {
3012 dest_scan += Bpp;
3013 continue;
3014 }
3015 int src_alpha;
3016 if (clip_scan) {
3017 src_alpha = mask_alpha * clip_scan[col] / 255;
3018 } else {
3019 src_alpha = mask_alpha;
3020 }
3021 if (src_alpha == 0) {
3022 dest_scan += Bpp;
3023 continue;
3024 }
3025 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
3026 int blended_colors[3];
3027 uint8_t src_scan[3];
3028 src_scan[0] = src_b;
3029 src_scan[1] = src_g;
3030 src_scan[2] = src_r;
3031 _RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
3032 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[0], src_alpha);
3033 dest_scan++;
3034 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[1], src_alpha);
3035 dest_scan++;
3036 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended_colors[2], src_alpha);
3037 } else if (blend_type) {
3038 int blended = _BLEND(blend_type, *dest_scan, src_b);
3039 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, src_alpha);
3040 dest_scan++;
3041 blended = _BLEND(blend_type, *dest_scan, src_g);
3042 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, src_alpha);
3043 dest_scan++;
3044 blended = _BLEND(blend_type, *dest_scan, src_r);
3045 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, blended, src_alpha);
3046 } else {
3047 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, src_alpha);
3048 dest_scan++;
3049 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, src_alpha);
3050 dest_scan++;
3051 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, src_alpha);
3052 }
3053 dest_scan += Bpp - 2;
3054 }
3055 }
3056 void _CompositeRow_BitMask2Mask(uint8_t* dest_scan,
3057 const uint8_t* src_scan,
3058 int mask_alpha,
3059 int src_left,
3060 int pixel_count,
3061 const uint8_t* clip_scan) {
3062 for (int col = 0; col < pixel_count; col++) {
3063 if (!(src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8)))) {
3064 dest_scan++;
3065 continue;
3066 }
3067 int src_alpha;
3068 if (clip_scan) {
3069 src_alpha = mask_alpha * clip_scan[col] / 255;
3070 } else {
3071 src_alpha = mask_alpha;
3072 }
3073 uint8_t back_alpha = *dest_scan;
3074 if (!back_alpha) {
3075 *dest_scan = src_alpha;
3076 } else if (src_alpha) {
3077 *dest_scan = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3078 }
3079 dest_scan++;
3080 }
3081 }
3082 void _CompositeRow_BitMask2Gray(uint8_t* dest_scan,
3083 const uint8_t* src_scan,
3084 int mask_alpha,
3085 int src_gray,
3086 int src_left,
3087 int pixel_count,
3088 const uint8_t* clip_scan) {
3089 for (int col = 0; col < pixel_count; col++) {
3090 if (!(src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8)))) {
3091 dest_scan++;
3092 continue;
3093 }
3094 int src_alpha;
3095 if (clip_scan) {
3096 src_alpha = mask_alpha * clip_scan[col] / 255;
3097 } else {
3098 src_alpha = mask_alpha;
3099 }
3100 if (src_alpha) {
3101 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_gray, src_alpha);
3102 }
3103 dest_scan++;
3104 }
3105 }
3106 void _CompositeRow_BitMask2Graya(uint8_t* dest_scan,
3107 const uint8_t* src_scan,
3108 int mask_alpha,
3109 int src_gray,
3110 int src_left,
3111 int pixel_count,
3112 const uint8_t* clip_scan,
3113 uint8_t* dest_alpha_scan) {
3114 for (int col = 0; col < pixel_count; col++) {
3115 if (!(src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8)))) {
3116 dest_scan++;
3117 dest_alpha_scan++;
3118 continue;
3119 }
3120 int src_alpha;
3121 if (clip_scan) {
3122 src_alpha = mask_alpha * clip_scan[col] / 255;
3123 } else {
3124 src_alpha = mask_alpha;
3125 }
3126 uint8_t back_alpha = *dest_alpha_scan;
3127 if (back_alpha == 0) {
3128 *dest_scan++ = src_gray;
3129 *dest_alpha_scan++ = src_alpha;
3130 continue;
3131 }
3132 if (src_alpha == 0) {
3133 dest_scan++;
3134 dest_alpha_scan++;
3135 continue;
3136 }
3137 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3138 *dest_alpha_scan++ = dest_alpha;
3139 int alpha_ratio = src_alpha * 255 / dest_alpha;
3140 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_gray, alpha_ratio);
3141 dest_scan++;
3142 }
3143 }
3144 void _CompositeRow_Argb2Argb_RgbByteOrder(uint8_t* dest_scan,
3145 const uint8_t* src_scan,
3146 int pixel_count,
3147 int blend_type,
3148 const uint8_t* clip_scan) {
3149 int blended_colors[3];
3150 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
3151 for (int col = 0; col < pixel_count; col++) {
3152 uint8_t back_alpha = dest_scan[3];
3153 if (back_alpha == 0) {
3154 if (clip_scan) {
3155 int src_alpha = clip_scan[col] * src_scan[3] / 255;
3156 dest_scan[3] = src_alpha;
3157 dest_scan[0] = src_scan[2];
3158 dest_scan[1] = src_scan[1];
3159 dest_scan[2] = src_scan[0];
3160 } else {
3161 FXARGB_RGBORDERCOPY(dest_scan, src_scan);
3162 }
3163 dest_scan += 4;
3164 src_scan += 4;
3165 continue;
3166 }
3167 uint8_t src_alpha;
3168 if (clip_scan) {
3169 src_alpha = clip_scan[col] * src_scan[3] / 255;
3170 } else {
3171 src_alpha = src_scan[3];
3172 }
3173 if (src_alpha == 0) {
3174 dest_scan += 4;
3175 src_scan += 4;
3176 continue;
3177 }
3178 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3179 dest_scan[3] = dest_alpha;
3180 int alpha_ratio = src_alpha * 255 / dest_alpha;
3181 if (bNonseparableBlend) {
3182 uint8_t dest_scan_o[3];
3183 dest_scan_o[0] = dest_scan[2];
3184 dest_scan_o[1] = dest_scan[1];
3185 dest_scan_o[2] = dest_scan[0];
3186 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3187 }
3188 for (int color = 0; color < 3; color++) {
3189 int index = 2 - color;
3190 if (blend_type) {
3191 int blended = bNonseparableBlend
3192 ? blended_colors[color]
3193 : _BLEND(blend_type, dest_scan[index], *src_scan);
3194 blended = FXDIB_ALPHA_MERGE(*src_scan, blended, back_alpha);
3195 dest_scan[index] =
3196 FXDIB_ALPHA_MERGE(dest_scan[index], blended, alpha_ratio);
3197 } else {
3198 dest_scan[index] =
3199 FXDIB_ALPHA_MERGE(dest_scan[index], *src_scan, alpha_ratio);
3200 }
3201 src_scan++;
3202 }
3203 dest_scan += 4;
3204 src_scan++;
3205 }
3206 }
3207 void _CompositeRow_Rgb2Argb_Blend_NoClip_RgbByteOrder(uint8_t* dest_scan,
3208 const uint8_t* src_scan,
3209 int width,
3210 int blend_type,
3211 int src_Bpp) {
3212 int blended_colors[3];
3213 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
3214 int src_gap = src_Bpp - 3;
3215 for (int col = 0; col < width; col++) {
3216 uint8_t back_alpha = dest_scan[3];
3217 if (back_alpha == 0) {
3218 if (src_Bpp == 4) {
3219 FXARGB_SETRGBORDERDIB(dest_scan, 0xff000000 | FXARGB_GETDIB(src_scan));
3220 } else {
3221 FXARGB_SETRGBORDERDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[2],
3222 src_scan[1], src_scan[0]));
3223 }
3224 dest_scan += 4;
3225 src_scan += src_Bpp;
3226 continue;
3227 }
3228 dest_scan[3] = 0xff;
3229 if (bNonseparableBlend) {
3230 uint8_t dest_scan_o[3];
3231 dest_scan_o[0] = dest_scan[2];
3232 dest_scan_o[1] = dest_scan[1];
3233 dest_scan_o[2] = dest_scan[0];
3234 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3235 }
3236 for (int color = 0; color < 3; color++) {
3237 int index = 2 - color;
3238 int src_color = FX_GAMMA(*src_scan);
3239 int blended = bNonseparableBlend
3240 ? blended_colors[color]
3241 : _BLEND(blend_type, dest_scan[index], src_color);
3242 dest_scan[index] = FXDIB_ALPHA_MERGE(src_color, blended, back_alpha);
3243 src_scan++;
3244 }
3245 dest_scan += 4;
3246 src_scan += src_gap;
3247 }
3248 }
3249 inline void _CompositeRow_Argb2Rgb_Blend_RgbByteOrder(
3250 uint8_t* dest_scan,
3251 const uint8_t* src_scan,
3252 int width,
3253 int blend_type,
3254 int dest_Bpp,
3255 const uint8_t* clip_scan) {
3256 int blended_colors[3];
3257 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
3258 for (int col = 0; col < width; col++) {
3259 uint8_t src_alpha;
3260 if (clip_scan) {
3261 src_alpha = src_scan[3] * (*clip_scan++) / 255;
3262 } else {
3263 src_alpha = src_scan[3];
3264 }
3265 if (src_alpha == 0) {
3266 dest_scan += dest_Bpp;
3267 src_scan += 4;
3268 continue;
3269 }
3270 if (bNonseparableBlend) {
3271 uint8_t dest_scan_o[3];
3272 dest_scan_o[0] = dest_scan[2];
3273 dest_scan_o[1] = dest_scan[1];
3274 dest_scan_o[2] = dest_scan[0];
3275 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3276 }
3277 for (int color = 0; color < 3; color++) {
3278 int index = 2 - color;
3279 int back_color = FX_GAMMA(dest_scan[index]);
3280 int blended = bNonseparableBlend
3281 ? blended_colors[color]
3282 : _BLEND(blend_type, back_color, *src_scan);
3283 dest_scan[index] =
3284 FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(back_color, blended, src_alpha));
3285 src_scan++;
3286 }
3287 dest_scan += dest_Bpp;
3288 src_scan++;
3289 }
3290 }
3291 inline void _CompositeRow_Rgb2Argb_NoBlend_NoClip_RgbByteOrder(
3292 uint8_t* dest_scan,
3293 const uint8_t* src_scan,
3294 int width,
3295 int src_Bpp) {
3296 for (int col = 0; col < width; col++) {
3297 if (src_Bpp == 4) {
3298 FXARGB_SETRGBORDERDIB(dest_scan, 0xff000000 | FXARGB_GETDIB(src_scan));
3299 } else {
3300 FXARGB_SETRGBORDERDIB(
3301 dest_scan, FXARGB_MAKE(0xff, src_scan[2], src_scan[1], src_scan[0]));
3302 }
3303 dest_scan += 4;
3304 src_scan += src_Bpp;
3305 }
3306 }
3307 inline void _CompositeRow_Rgb2Rgb_Blend_NoClip_RgbByteOrder(
3308 uint8_t* dest_scan,
3309 const uint8_t* src_scan,
3310 int width,
3311 int blend_type,
3312 int dest_Bpp,
3313 int src_Bpp) {
3314 int blended_colors[3];
3315 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
3316 int src_gap = src_Bpp - 3;
3317 for (int col = 0; col < width; col++) {
3318 if (bNonseparableBlend) {
3319 uint8_t dest_scan_o[3];
3320 dest_scan_o[0] = dest_scan[2];
3321 dest_scan_o[1] = dest_scan[1];
3322 dest_scan_o[2] = dest_scan[0];
3323 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3324 }
3325 for (int color = 0; color < 3; color++) {
3326 int index = 2 - color;
3327 int back_color = FX_GAMMA(dest_scan[index]);
3328 int src_color = FX_GAMMA(*src_scan);
3329 int blended = bNonseparableBlend
3330 ? blended_colors[color]
3331 : _BLEND(blend_type, back_color, src_color);
3332 dest_scan[index] = FX_GAMMA_INVERSE(blended);
3333 src_scan++;
3334 }
3335 dest_scan += dest_Bpp;
3336 src_scan += src_gap;
3337 }
3338 }
3339 inline void _CompositeRow_Argb2Rgb_NoBlend_RgbByteOrder(
3340 uint8_t* dest_scan,
3341 const uint8_t* src_scan,
3342 int width,
3343 int dest_Bpp,
3344 const uint8_t* clip_scan) {
3345 for (int col = 0; col < width; col++) {
3346 uint8_t src_alpha;
3347 if (clip_scan) {
3348 src_alpha = src_scan[3] * (*clip_scan++) / 255;
3349 } else {
3350 src_alpha = src_scan[3];
3351 }
3352 if (src_alpha == 255) {
3353 dest_scan[2] = FX_GAMMA_INVERSE(*src_scan++);
3354 dest_scan[1] = FX_GAMMA_INVERSE(*src_scan++);
3355 dest_scan[0] = FX_GAMMA_INVERSE(*src_scan++);
3356 dest_scan += dest_Bpp;
3357 src_scan++;
3358 continue;
3359 }
3360 if (src_alpha == 0) {
3361 dest_scan += dest_Bpp;
3362 src_scan += 4;
3363 continue;
3364 }
3365 for (int color = 0; color < 3; color++) {
3366 int index = 2 - color;
3367 dest_scan[index] = FX_GAMMA_INVERSE(
3368 FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[index]), *src_scan, src_alpha));
3369 src_scan++;
3370 }
3371 dest_scan += dest_Bpp;
3372 src_scan++;
3373 }
3374 }
3375 inline void _CompositeRow_Rgb2Rgb_NoBlend_NoClip_RgbByteOrder(
3376 uint8_t* dest_scan,
3377 const uint8_t* src_scan,
3378 int width,
3379 int dest_Bpp,
3380 int src_Bpp) {
3381 for (int col = 0; col < width; col++) {
3382 dest_scan[2] = src_scan[0];
3383 dest_scan[1] = src_scan[1];
3384 dest_scan[0] = src_scan[2];
3385 dest_scan += dest_Bpp;
3386 src_scan += src_Bpp;
3387 }
3388 }
3389 inline void _CompositeRow_Rgb2Argb_Blend_Clip_RgbByteOrder(
3390 uint8_t* dest_scan,
3391 const uint8_t* src_scan,
3392 int width,
3393 int blend_type,
3394 int src_Bpp,
3395 const uint8_t* clip_scan) {
3396 int blended_colors[3];
3397 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
3398 int src_gap = src_Bpp - 3;
3399 for (int col = 0; col < width; col++) {
3400 int src_alpha = *clip_scan++;
3401 uint8_t back_alpha = dest_scan[3];
3402 if (back_alpha == 0) {
3403 dest_scan[2] = FX_GAMMA(*src_scan++);
3404 dest_scan[1] = FX_GAMMA(*src_scan++);
3405 dest_scan[0] = FX_GAMMA(*src_scan++);
3406 src_scan += src_gap;
3407 dest_scan += 4;
3408 continue;
3409 }
3410 if (src_alpha == 0) {
3411 dest_scan += 4;
3412 src_scan += src_Bpp;
3413 continue;
3414 }
3415 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3416 dest_scan[3] = dest_alpha;
3417 int alpha_ratio = src_alpha * 255 / dest_alpha;
3418 if (bNonseparableBlend) {
3419 uint8_t dest_scan_o[3];
3420 dest_scan_o[0] = dest_scan[2];
3421 dest_scan_o[1] = dest_scan[1];
3422 dest_scan_o[2] = dest_scan[0];
3423 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3424 }
3425 for (int color = 0; color < 3; color++) {
3426 int index = 2 - color;
3427 int src_color = FX_GAMMA(*src_scan);
3428 int blended = bNonseparableBlend
3429 ? blended_colors[color]
3430 : _BLEND(blend_type, dest_scan[index], src_color);
3431 blended = FXDIB_ALPHA_MERGE(src_color, blended, back_alpha);
3432 dest_scan[index] =
3433 FXDIB_ALPHA_MERGE(dest_scan[index], blended, alpha_ratio);
3434 src_scan++;
3435 }
3436 dest_scan += 4;
3437 src_scan += src_gap;
3438 }
3439 }
3440 inline void _CompositeRow_Rgb2Rgb_Blend_Clip_RgbByteOrder(
3441 uint8_t* dest_scan,
3442 const uint8_t* src_scan,
3443 int width,
3444 int blend_type,
3445 int dest_Bpp,
3446 int src_Bpp,
3447 const uint8_t* clip_scan) {
3448 int blended_colors[3];
3449 FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
3450 int src_gap = src_Bpp - 3;
3451 for (int col = 0; col < width; col++) {
3452 uint8_t src_alpha = *clip_scan++;
3453 if (src_alpha == 0) {
3454 dest_scan += dest_Bpp;
3455 src_scan += src_Bpp;
3456 continue;
3457 }
3458 if (bNonseparableBlend) {
3459 uint8_t dest_scan_o[3];
3460 dest_scan_o[0] = dest_scan[2];
3461 dest_scan_o[1] = dest_scan[1];
3462 dest_scan_o[2] = dest_scan[0];
3463 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3464 }
3465 for (int color = 0; color < 3; color++) {
3466 int index = 2 - color;
3467 int src_color = FX_GAMMA(*src_scan);
3468 int back_color = FX_GAMMA(dest_scan[index]);
3469 int blended = bNonseparableBlend
3470 ? blended_colors[color]
3471 : _BLEND(blend_type, back_color, src_color);
3472 dest_scan[index] =
3473 FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(back_color, blended, src_alpha));
3474 src_scan++;
3475 }
3476 dest_scan += dest_Bpp;
3477 src_scan += src_gap;
3478 }
3479 }
3480 inline void _CompositeRow_Rgb2Argb_NoBlend_Clip_RgbByteOrder(
3481 uint8_t* dest_scan,
3482 const uint8_t* src_scan,
3483 int width,
3484 int src_Bpp,
3485 const uint8_t* clip_scan) {
3486 int src_gap = src_Bpp - 3;
3487 for (int col = 0; col < width; col++) {
3488 int src_alpha = clip_scan[col];
3489 if (src_alpha == 255) {
3490 dest_scan[2] = FX_GAMMA(*src_scan++);
3491 dest_scan[1] = FX_GAMMA(*src_scan++);
3492 dest_scan[0] = FX_GAMMA(*src_scan++);
3493 dest_scan[3] = 255;
3494 dest_scan += 4;
3495 src_scan += src_gap;
3496 continue;
3497 }
3498 if (src_alpha == 0) {
3499 dest_scan += 4;
3500 src_scan += src_Bpp;
3501 continue;
3502 }
3503 int back_alpha = dest_scan[3];
3504 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3505 dest_scan[3] = dest_alpha;
3506 int alpha_ratio = src_alpha * 255 / dest_alpha;
3507 for (int color = 0; color < 3; color++) {
3508 int index = 2 - color;
3509 dest_scan[index] =
3510 FXDIB_ALPHA_MERGE(dest_scan[index], FX_GAMMA(*src_scan), alpha_ratio);
3511 src_scan++;
3512 }
3513 dest_scan += 4;
3514 src_scan += src_gap;
3515 }
3516 }
3517 inline void _CompositeRow_Rgb2Rgb_NoBlend_Clip_RgbByteOrder(
3518 uint8_t* dest_scan,
3519 const uint8_t* src_scan,
3520 int width,
3521 int dest_Bpp,
3522 int src_Bpp,
3523 const uint8_t* clip_scan) {
3524 for (int col = 0; col < width; col++) {
3525 int src_alpha = clip_scan[col];
3526 if (src_alpha == 255) {
3527 dest_scan[2] = src_scan[0];
3528 dest_scan[1] = src_scan[1];
3529 dest_scan[0] = src_scan[2];
3530 } else if (src_alpha) {
3531 dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
3532 FX_GAMMA(dest_scan[2]), FX_GAMMA(*src_scan), src_alpha));
3533 src_scan++;
3534 dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
3535 FX_GAMMA(dest_scan[1]), FX_GAMMA(*src_scan), src_alpha));
3536 src_scan++;
3537 dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
3538 FX_GAMMA(dest_scan[0]), FX_GAMMA(*src_scan), src_alpha));
3539 dest_scan += dest_Bpp;
3540 src_scan += src_Bpp - 2;
3541 continue;
3542 }
3543 dest_scan += dest_Bpp;
3544 src_scan += src_Bpp;
3545 }
3546 }
3547 inline void _CompositeRow_8bppRgb2Rgb_NoBlend_RgbByteOrder(
3548 uint8_t* dest_scan,
3549 const uint8_t* src_scan,
3550 FX_ARGB* pPalette,
3551 int pixel_count,
3552 int DestBpp,
3553 const uint8_t* clip_scan) {
3554 for (int col = 0; col < pixel_count; col++) {
3555 FX_ARGB argb = pPalette ? pPalette[*src_scan] : (*src_scan) * 0x010101;
3556 int src_r = FXARGB_R(argb);
3557 int src_g = FXARGB_G(argb);
3558 int src_b = FXARGB_B(argb);
3559 if (clip_scan && clip_scan[col] < 255) {
3560 dest_scan[2] = FXDIB_ALPHA_MERGE(dest_scan[2], src_b, clip_scan[col]);
3561 dest_scan[1] = FXDIB_ALPHA_MERGE(dest_scan[1], src_g, clip_scan[col]);
3562 dest_scan[0] = FXDIB_ALPHA_MERGE(dest_scan[0], src_r, clip_scan[col]);
3563 } else {
3564 dest_scan[2] = src_b;
3565 dest_scan[1] = src_g;
3566 dest_scan[0] = src_r;
3567 }
3568 dest_scan += DestBpp;
3569 src_scan++;
3570 }
3571 }
3572 inline void _CompositeRow_1bppRgb2Rgb_NoBlend_RgbByteOrder(
3573 uint8_t* dest_scan,
3574 const uint8_t* src_scan,
3575 int src_left,
3576 FX_ARGB* pPalette,
3577 int pixel_count,
3578 int DestBpp,
3579 const uint8_t* clip_scan) {
3580 int reset_r, reset_g, reset_b;
3581 int set_r, set_g, set_b;
3582 if (pPalette) {
3583 reset_r = FXARGB_R(pPalette[0]);
3584 reset_g = FXARGB_G(pPalette[0]);
3585 reset_b = FXARGB_B(pPalette[0]);
3586 set_r = FXARGB_R(pPalette[1]);
3587 set_g = FXARGB_G(pPalette[1]);
3588 set_b = FXARGB_B(pPalette[1]);
3589 } else {
3590 reset_r = reset_g = reset_b = 0;
3591 set_r = set_g = set_b = 255;
3592 }
3593 for (int col = 0; col < pixel_count; col++) {
3594 int src_r, src_g, src_b;
3595 if (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8))) {
3596 src_r = set_r;
3597 src_g = set_g;
3598 src_b = set_b;
3599 } else {
3600 src_r = reset_r;
3601 src_g = reset_g;
3602 src_b = reset_b;
3603 }
3604 if (clip_scan && clip_scan[col] < 255) {
3605 dest_scan[2] = FXDIB_ALPHA_MERGE(dest_scan[2], src_b, clip_scan[col]);
3606 dest_scan[1] = FXDIB_ALPHA_MERGE(dest_scan[1], src_g, clip_scan[col]);
3607 dest_scan[0] = FXDIB_ALPHA_MERGE(dest_scan[0], src_r, clip_scan[col]);
3608 } else {
3609 dest_scan[2] = src_b;
3610 dest_scan[1] = src_g;
3611 dest_scan[0] = src_r;
3612 }
3613 dest_scan += DestBpp;
3614 }
3615 }
3616 inline void _CompositeRow_8bppRgb2Argb_NoBlend_RgbByteOrder(
3617 uint8_t* dest_scan,
3618 const uint8_t* src_scan,
3619 int width,
3620 FX_ARGB* pPalette,
3621 const uint8_t* clip_scan) {
3622 for (int col = 0; col < width; col++) {
3623 int src_r, src_g, src_b;
3624 if (pPalette) {
3625 FX_ARGB argb = pPalette[*src_scan];
3626 src_r = FXARGB_R(argb);
3627 src_g = FXARGB_G(argb);
3628 src_b = FXARGB_B(argb);
3629 } else {
3630 src_r = src_g = src_b = *src_scan;
3631 }
3632 if (!clip_scan || clip_scan[col] == 255) {
3633 dest_scan[2] = FX_GAMMA(src_b);
3634 dest_scan[1] = FX_GAMMA(src_g);
3635 dest_scan[0] = FX_GAMMA(src_r);
3636 dest_scan[3] = 255;
3637 src_scan++;
3638 dest_scan += 4;
3639 continue;
3640 }
3641 int src_alpha = clip_scan[col];
3642 if (src_alpha == 0) {
3643 dest_scan += 4;
3644 src_scan++;
3645 continue;
3646 }
3647 int back_alpha = dest_scan[3];
3648 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3649 dest_scan[3] = dest_alpha;
3650 int alpha_ratio = src_alpha * 255 / dest_alpha;
3651 dest_scan[2] =
3652 FXDIB_ALPHA_MERGE(dest_scan[2], FX_GAMMA(src_b), alpha_ratio);
3653 dest_scan[1] =
3654 FXDIB_ALPHA_MERGE(dest_scan[1], FX_GAMMA(src_g), alpha_ratio);
3655 dest_scan[0] =
3656 FXDIB_ALPHA_MERGE(dest_scan[0], FX_GAMMA(src_r), alpha_ratio);
3657 dest_scan += 4;
3658 src_scan++;
3659 }
3660 }
3661 inline void _CompositeRow_1bppRgb2Argb_NoBlend_RgbByteOrder(
3662 uint8_t* dest_scan,
3663 const uint8_t* src_scan,
3664 int src_left,
3665 int width,
3666 FX_ARGB* pPalette,
3667 const uint8_t* clip_scan) {
3668 int reset_r, reset_g, reset_b;
3669 int set_r, set_g, set_b;
3670 if (pPalette) {
3671 reset_r = FXARGB_R(pPalette[0]);
3672 reset_g = FXARGB_G(pPalette[0]);
3673 reset_b = FXARGB_B(pPalette[0]);
3674 set_r = FXARGB_R(pPalette[1]);
3675 set_g = FXARGB_G(pPalette[1]);
3676 set_b = FXARGB_B(pPalette[1]);
3677 } else {
3678 reset_r = reset_g = reset_b = 0;
3679 set_r = set_g = set_b = 255;
3680 }
3681 for (int col = 0; col < width; col++) {
3682 int src_r, src_g, src_b;
3683 if (src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8))) {
3684 src_r = set_r;
3685 src_g = set_g;
3686 src_b = set_b;
3687 } else {
3688 src_r = reset_r;
3689 src_g = reset_g;
3690 src_b = reset_b;
3691 }
3692 if (!clip_scan || clip_scan[col] == 255) {
3693 dest_scan[2] = FX_GAMMA(src_b);
3694 dest_scan[1] = FX_GAMMA(src_g);
3695 dest_scan[0] = FX_GAMMA(src_r);
3696 dest_scan[3] = 255;
3697 dest_scan += 4;
3698 continue;
3699 }
3700 int src_alpha = clip_scan[col];
3701 if (src_alpha == 0) {
3702 dest_scan += 4;
3703 continue;
3704 }
3705 int back_alpha = dest_scan[3];
3706 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3707 dest_scan[3] = dest_alpha;
3708 int alpha_ratio = src_alpha * 255 / dest_alpha;
3709 dest_scan[2] =
3710 FXDIB_ALPHA_MERGE(dest_scan[2], FX_GAMMA(src_b), alpha_ratio);
3711 dest_scan[1] =
3712 FXDIB_ALPHA_MERGE(dest_scan[1], FX_GAMMA(src_g), alpha_ratio);
3713 dest_scan[0] =
3714 FXDIB_ALPHA_MERGE(dest_scan[0], FX_GAMMA(src_r), alpha_ratio);
3715 dest_scan += 4;
3716 }
3717 }
3718 void _CompositeRow_ByteMask2Argb_RgbByteOrder(uint8_t* dest_scan,
3719 const uint8_t* src_scan,
3720 int mask_alpha,
3721 int src_r,
3722 int src_g,
3723 int src_b,
3724 int pixel_count,
3725 int blend_type,
3726 const uint8_t* clip_scan) {
3727 for (int col = 0; col < pixel_count; col++) {
3728 int src_alpha;
3729 if (clip_scan) {
3730 src_alpha = mask_alpha * clip_scan[col] * src_scan[col] / 255 / 255;
3731 } else {
3732 src_alpha = mask_alpha * src_scan[col] / 255;
3733 }
3734 uint8_t back_alpha = dest_scan[3];
3735 if (back_alpha == 0) {
3736 FXARGB_SETRGBORDERDIB(dest_scan,
3737 FXARGB_MAKE(src_alpha, src_r, src_g, src_b));
3738 dest_scan += 4;
3739 continue;
3740 }
3741 if (src_alpha == 0) {
3742 dest_scan += 4;
3743 continue;
3744 }
3745 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3746 dest_scan[3] = dest_alpha;
3747 int alpha_ratio = src_alpha * 255 / dest_alpha;
3748 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
3749 int blended_colors[3];
3750 uint8_t src_scan[3];
3751 uint8_t dest_scan_o[3];
3752 src_scan[0] = src_b;
3753 src_scan[1] = src_g;
3754 src_scan[2] = src_r;
3755 dest_scan_o[0] = dest_scan[2];
3756 dest_scan_o[1] = dest_scan[1];
3757 dest_scan_o[2] = dest_scan[0];
3758 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3759 dest_scan[2] =
3760 FXDIB_ALPHA_MERGE(dest_scan[2], blended_colors[0], alpha_ratio);
3761 dest_scan[1] =
3762 FXDIB_ALPHA_MERGE(dest_scan[1], blended_colors[1], alpha_ratio);
3763 dest_scan[0] =
3764 FXDIB_ALPHA_MERGE(dest_scan[0], blended_colors[2], alpha_ratio);
3765 } else if (blend_type) {
3766 int blended = _BLEND(blend_type, dest_scan[2], src_b);
3767 blended = FXDIB_ALPHA_MERGE(src_b, blended, back_alpha);
3768 dest_scan[2] = FXDIB_ALPHA_MERGE(dest_scan[2], blended, alpha_ratio);
3769 blended = _BLEND(blend_type, dest_scan[1], src_g);
3770 blended = FXDIB_ALPHA_MERGE(src_g, blended, back_alpha);
3771 dest_scan[1] = FXDIB_ALPHA_MERGE(dest_scan[1], blended, alpha_ratio);
3772 blended = _BLEND(blend_type, dest_scan[0], src_r);
3773 blended = FXDIB_ALPHA_MERGE(src_r, blended, back_alpha);
3774 dest_scan[0] = FXDIB_ALPHA_MERGE(dest_scan[0], blended, alpha_ratio);
3775 } else {
3776 dest_scan[2] = FXDIB_ALPHA_MERGE(dest_scan[2], src_b, alpha_ratio);
3777 dest_scan[1] = FXDIB_ALPHA_MERGE(dest_scan[1], src_g, alpha_ratio);
3778 dest_scan[0] = FXDIB_ALPHA_MERGE(dest_scan[0], src_r, alpha_ratio);
3779 }
3780 dest_scan += 4;
3781 }
3782 }
3783 void _CompositeRow_ByteMask2Rgb_RgbByteOrder(uint8_t* dest_scan,
3784 const uint8_t* src_scan,
3785 int mask_alpha,
3786 int src_r,
3787 int src_g,
3788 int src_b,
3789 int pixel_count,
3790 int blend_type,
3791 int Bpp,
3792 const uint8_t* clip_scan) {
3793 for (int col = 0; col < pixel_count; col++) {
3794 int src_alpha;
3795 if (clip_scan) {
3796 src_alpha = mask_alpha * clip_scan[col] * src_scan[col] / 255 / 255;
3797 } else {
3798 src_alpha = mask_alpha * src_scan[col] / 255;
3799 }
3800 if (src_alpha == 0) {
3801 dest_scan += Bpp;
3802 continue;
3803 }
3804 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
3805 int blended_colors[3];
3806 uint8_t src_scan[3];
3807 uint8_t dest_scan_o[3];
3808 src_scan[0] = src_b;
3809 src_scan[1] = src_g;
3810 src_scan[2] = src_r;
3811 dest_scan_o[0] = dest_scan[2];
3812 dest_scan_o[1] = dest_scan[1];
3813 dest_scan_o[2] = dest_scan[0];
3814 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3815 dest_scan[2] =
3816 FXDIB_ALPHA_MERGE(dest_scan[2], blended_colors[0], src_alpha);
3817 dest_scan[1] =
3818 FXDIB_ALPHA_MERGE(dest_scan[1], blended_colors[1], src_alpha);
3819 dest_scan[0] =
3820 FXDIB_ALPHA_MERGE(dest_scan[0], blended_colors[2], src_alpha);
3821 } else if (blend_type) {
3822 int blended = _BLEND(blend_type, dest_scan[2], src_b);
3823 dest_scan[2] = FXDIB_ALPHA_MERGE(dest_scan[2], blended, src_alpha);
3824 blended = _BLEND(blend_type, dest_scan[1], src_g);
3825 dest_scan[1] = FXDIB_ALPHA_MERGE(dest_scan[1], blended, src_alpha);
3826 blended = _BLEND(blend_type, dest_scan[0], src_r);
3827 dest_scan[0] = FXDIB_ALPHA_MERGE(dest_scan[0], blended, src_alpha);
3828 } else {
3829 dest_scan[2] = FXDIB_ALPHA_MERGE(dest_scan[2], src_b, src_alpha);
3830 dest_scan[1] = FXDIB_ALPHA_MERGE(dest_scan[1], src_g, src_alpha);
3831 dest_scan[0] = FXDIB_ALPHA_MERGE(dest_scan[0], src_r, src_alpha);
3832 }
3833 dest_scan += Bpp;
3834 }
3835 }
3836 void _CompositeRow_BitMask2Argb_RgbByteOrder(uint8_t* dest_scan,
3837 const uint8_t* src_scan,
3838 int mask_alpha,
3839 int src_r,
3840 int src_g,
3841 int src_b,
3842 int src_left,
3843 int pixel_count,
3844 int blend_type,
3845 const uint8_t* clip_scan) {
3846 if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
3847 FX_ARGB argb = FXARGB_MAKE(0xff, src_r, src_g, src_b);
3848 for (int col = 0; col < pixel_count; col++) {
3849 if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
3850 FXARGB_SETRGBORDERDIB(dest_scan, argb);
3851 }
3852 dest_scan += 4;
3853 }
3854 return;
3855 }
3856 for (int col = 0; col < pixel_count; col++) {
3857 if (!(src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8)))) {
3858 dest_scan += 4;
3859 continue;
3860 }
3861 int src_alpha;
3862 if (clip_scan) {
3863 src_alpha = mask_alpha * clip_scan[col] / 255;
3864 } else {
3865 src_alpha = mask_alpha;
3866 }
3867 uint8_t back_alpha = dest_scan[3];
3868 if (back_alpha == 0) {
3869 FXARGB_SETRGBORDERDIB(dest_scan,
3870 FXARGB_MAKE(src_alpha, src_r, src_g, src_b));
3871 dest_scan += 4;
3872 continue;
3873 }
3874 uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
3875 dest_scan[3] = dest_alpha;
3876 int alpha_ratio = src_alpha * 255 / dest_alpha;
3877 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
3878 int blended_colors[3];
3879 uint8_t src_scan[3];
3880 uint8_t dest_scan_o[3];
3881 src_scan[0] = src_b;
3882 src_scan[1] = src_g;
3883 src_scan[2] = src_r;
3884 dest_scan_o[0] = dest_scan[2];
3885 dest_scan_o[1] = dest_scan[1];
3886 dest_scan_o[2] = dest_scan[0];
3887 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3888 dest_scan[2] =
3889 FXDIB_ALPHA_MERGE(dest_scan[2], blended_colors[0], alpha_ratio);
3890 dest_scan[1] =
3891 FXDIB_ALPHA_MERGE(dest_scan[1], blended_colors[1], alpha_ratio);
3892 dest_scan[0] =
3893 FXDIB_ALPHA_MERGE(dest_scan[0], blended_colors[2], alpha_ratio);
3894 } else if (blend_type) {
3895 int blended = _BLEND(blend_type, dest_scan[2], src_b);
3896 blended = FXDIB_ALPHA_MERGE(src_b, blended, back_alpha);
3897 dest_scan[2] = FXDIB_ALPHA_MERGE(dest_scan[2], blended, alpha_ratio);
3898 blended = _BLEND(blend_type, dest_scan[1], src_g);
3899 blended = FXDIB_ALPHA_MERGE(src_g, blended, back_alpha);
3900 dest_scan[1] = FXDIB_ALPHA_MERGE(dest_scan[1], blended, alpha_ratio);
3901 blended = _BLEND(blend_type, dest_scan[0], src_r);
3902 blended = FXDIB_ALPHA_MERGE(src_r, blended, back_alpha);
3903 dest_scan[0] = FXDIB_ALPHA_MERGE(dest_scan[0], blended, alpha_ratio);
3904 } else {
3905 dest_scan[2] = FXDIB_ALPHA_MERGE(dest_scan[2], src_b, alpha_ratio);
3906 dest_scan[1] = FXDIB_ALPHA_MERGE(dest_scan[1], src_g, alpha_ratio);
3907 dest_scan[0] = FXDIB_ALPHA_MERGE(dest_scan[0], src_r, alpha_ratio);
3908 }
3909 dest_scan += 4;
3910 }
3911 }
3912 void _CompositeRow_BitMask2Rgb_RgbByteOrder(uint8_t* dest_scan,
3913 const uint8_t* src_scan,
3914 int mask_alpha,
3915 int src_r,
3916 int src_g,
3917 int src_b,
3918 int src_left,
3919 int pixel_count,
3920 int blend_type,
3921 int Bpp,
3922 const uint8_t* clip_scan) {
3923 if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
3924 for (int col = 0; col < pixel_count; col++) {
3925 if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
3926 dest_scan[2] = src_b;
3927 dest_scan[1] = src_g;
3928 dest_scan[0] = src_r;
3929 }
3930 dest_scan += Bpp;
3931 }
3932 return;
3933 }
3934 for (int col = 0; col < pixel_count; col++) {
3935 if (!(src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8)))) {
3936 dest_scan += Bpp;
3937 continue;
3938 }
3939 int src_alpha;
3940 if (clip_scan) {
3941 src_alpha = mask_alpha * clip_scan[col] / 255;
3942 } else {
3943 src_alpha = mask_alpha;
3944 }
3945 if (src_alpha == 0) {
3946 dest_scan += Bpp;
3947 continue;
3948 }
3949 if (blend_type >= FXDIB_BLEND_NONSEPARABLE) {
3950 int blended_colors[3];
3951 uint8_t src_scan[3];
3952 uint8_t dest_scan_o[3];
3953 src_scan[0] = src_b;
3954 src_scan[1] = src_g;
3955 src_scan[2] = src_r;
3956 dest_scan_o[0] = dest_scan[2];
3957 dest_scan_o[1] = dest_scan[1];
3958 dest_scan_o[2] = dest_scan[0];
3959 _RGB_Blend(blend_type, src_scan, dest_scan_o, blended_colors);
3960 dest_scan[2] =
3961 FXDIB_ALPHA_MERGE(dest_scan[2], blended_colors[0], src_alpha);
3962 dest_scan[1] =
3963 FXDIB_ALPHA_MERGE(dest_scan[1], blended_colors[1], src_alpha);
3964 dest_scan[0] =
3965 FXDIB_ALPHA_MERGE(dest_scan[0], blended_colors[2], src_alpha);
3966 } else if (blend_type) {
3967 int back_color = FX_GAMMA(dest_scan[2]);
3968 int blended = _BLEND(blend_type, back_color, src_b);
3969 dest_scan[2] =
3970 FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(back_color, blended, src_alpha));
3971 back_color = FX_GAMMA(dest_scan[1]);
3972 blended = _BLEND(blend_type, back_color, src_g);
3973 dest_scan[1] =
3974 FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(back_color, blended, src_alpha));
3975 back_color = FX_GAMMA(dest_scan[0]);
3976 blended = _BLEND(blend_type, back_color, src_r);
3977 dest_scan[0] =
3978 FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(back_color, blended, src_alpha));
3979 } else {
3980 dest_scan[2] = FX_GAMMA_INVERSE(
3981 FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), src_b, src_alpha));
3982 dest_scan[1] = FX_GAMMA_INVERSE(
3983 FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), src_g, src_alpha));
3984 dest_scan[0] = FX_GAMMA_INVERSE(
3985 FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), src_r, src_alpha));
3986 }
3987 dest_scan += Bpp;
3988 }
3989 }
3990 inline FX_BOOL _ScanlineCompositor_InitSourceMask(FXDIB_Format dest_format,
3991 int alpha_flag,
3992 FX_DWORD mask_color,
3993 int& mask_alpha,
3994 int& mask_red,
3995 int& mask_green,
3996 int& mask_blue,
3997 int& mask_black,
3998 void* icc_module,
3999 void* pIccTransform) {
4000 ICodec_IccModule* pIccModule = (ICodec_IccModule*)icc_module;
4001 if (alpha_flag >> 8) {
4002 mask_alpha = alpha_flag & 0xff;
4003 mask_red = FXSYS_GetCValue(mask_color);
4004 mask_green = FXSYS_GetMValue(mask_color);
4005 mask_blue = FXSYS_GetYValue(mask_color);
4006 mask_black = FXSYS_GetKValue(mask_color);
4007 } else {
4008 mask_alpha = FXARGB_A(mask_color);
4009 mask_red = FXARGB_R(mask_color);
4010 mask_green = FXARGB_G(mask_color);
4011 mask_blue = FXARGB_B(mask_color);
4012 }
4013 if (dest_format == FXDIB_8bppMask) {
4014 return TRUE;
4015 }
4016 if ((dest_format & 0xff) == 8) {
4017 if (pIccTransform) {
4018 mask_color = (alpha_flag >> 8) ? FXCMYK_TODIB(mask_color)
4019 : FXARGB_TODIB(mask_color);
4020 uint8_t* gray_p = (uint8_t*)&mask_color;
4021 pIccModule->TranslateScanline(pIccTransform, gray_p, gray_p, 1);
4022 mask_red = dest_format & 0x0400 ? FX_CCOLOR(gray_p[0]) : gray_p[0];
4023 } else {
4024 if (alpha_flag >> 8) {
4025 uint8_t r, g, b;
4026 AdobeCMYK_to_sRGB1(mask_red, mask_green, mask_blue, mask_black, r, g,
4027 b);
4028 mask_red = FXRGB2GRAY(r, g, b);
4029 } else {
4030 mask_red = FXRGB2GRAY(mask_red, mask_green, mask_blue);
4031 }
4032 if (dest_format & 0x0400) {
4033 mask_red = FX_CCOLOR(mask_red);
4034 }
4035 }
4036 } else {
4037 uint8_t* mask_color_p = (uint8_t*)&mask_color;
4038 mask_color =
4039 (alpha_flag >> 8) ? FXCMYK_TODIB(mask_color) : FXARGB_TODIB(mask_color);
4040 if (pIccTransform) {
4041 pIccModule->TranslateScanline(pIccTransform, mask_color_p, mask_color_p,
4042 1);
4043 mask_red = mask_color_p[2];
4044 mask_green = mask_color_p[1];
4045 mask_blue = mask_color_p[0];
4046 } else if (alpha_flag >> 8) {
4047 AdobeCMYK_to_sRGB1(mask_color_p[0], mask_color_p[1], mask_color_p[2],
4048 mask_color_p[3], mask_color_p[2], mask_color_p[1],
4049 mask_color_p[0]);
4050 mask_red = mask_color_p[2];
4051 mask_green = mask_color_p[1];
4052 mask_blue = mask_color_p[0];
4053 }
4054 }
4055 return TRUE;
4056 }
4057 inline void _ScanlineCompositor_InitSourcePalette(FXDIB_Format src_format,
4058 FXDIB_Format dest_format,
4059 FX_DWORD*& pDestPalette,
4060 FX_DWORD* pSrcPalette,
4061 void* icc_module,
4062 void* pIccTransform) {
4063 ICodec_IccModule* pIccModule = (ICodec_IccModule*)icc_module;
4064 FX_BOOL isSrcCmyk = !!(src_format & 0x0400);
4065 FX_BOOL isDstCmyk = !!(dest_format & 0x0400);
4066 pDestPalette = NULL;
4067 if (pIccTransform) {
4068 if (pSrcPalette) {
4069 if ((dest_format & 0xff) == 8) {
4070 int pal_count = 1 << (src_format & 0xff);
4071 uint8_t* gray_pal = FX_Alloc(uint8_t, pal_count);
4072 pDestPalette = (FX_DWORD*)gray_pal;
4073 for (int i = 0; i < pal_count; i++) {
4074 FX_DWORD color = isSrcCmyk ? FXCMYK_TODIB(pSrcPalette[i])
4075 : FXARGB_TODIB(pSrcPalette[i]);
4076 pIccModule->TranslateScanline(pIccTransform, gray_pal,
4077 (const uint8_t*)&color, 1);
4078 gray_pal++;
4079 }
4080 } else {
4081 int palsize = 1 << (src_format & 0xff);
4082 pDestPalette = FX_Alloc(FX_DWORD, palsize);
4083 for (int i = 0; i < palsize; i++) {
4084 FX_DWORD color = isSrcCmyk ? FXCMYK_TODIB(pSrcPalette[i])
4085 : FXARGB_TODIB(pSrcPalette[i]);
4086 pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&color,
4087 (const uint8_t*)&color, 1);
4088 pDestPalette[i] =
4089 isDstCmyk ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
4090 }
4091 }
4092 } else {
4093 int pal_count = 1 << (src_format & 0xff);
4094 uint8_t* gray_pal = FX_Alloc(uint8_t, pal_count);
4095 if (pal_count == 2) {
4096 gray_pal[0] = 0;
4097 gray_pal[1] = 255;
4098 } else {
4099 for (int i = 0; i < pal_count; i++) {
4100 gray_pal[i] = i;
4101 }
4102 }
4103 if ((dest_format & 0xff) == 8) {
4104 pIccModule->TranslateScanline(pIccTransform, gray_pal, gray_pal,
4105 pal_count);
4106 pDestPalette = (FX_DWORD*)gray_pal;
4107 } else {
4108 pDestPalette = FX_Alloc(FX_DWORD, pal_count);
4109 for (int i = 0; i < pal_count; i++) {
4110 pIccModule->TranslateScanline(
4111 pIccTransform, (uint8_t*)&pDestPalette[i], &gray_pal[i], 1);
4112 pDestPalette[i] = isDstCmyk ? FXCMYK_TODIB(pDestPalette[i])
4113 : FXARGB_TODIB(pDestPalette[i]);
4114 }
4115 FX_Free(gray_pal);
4116 }
4117 }
4118 } else {
4119 if (pSrcPalette) {
4120 if ((dest_format & 0xff) == 8) {
4121 int pal_count = 1 << (src_format & 0xff);
4122 uint8_t* gray_pal = FX_Alloc(uint8_t, pal_count);
4123 pDestPalette = (FX_DWORD*)gray_pal;
4124 if (isSrcCmyk) {
4125 for (int i = 0; i < pal_count; i++) {
4126 FX_CMYK cmyk = pSrcPalette[i];
4127 uint8_t r, g, b;
4128 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(cmyk), FXSYS_GetMValue(cmyk),
4129 FXSYS_GetYValue(cmyk), FXSYS_GetKValue(cmyk), r,
4130 g, b);
4131 *gray_pal++ = FXRGB2GRAY(r, g, b);
4132 }
4133 } else {
4134 for (int i = 0; i < pal_count; i++) {
4135 FX_ARGB argb = pSrcPalette[i];
4136 *gray_pal++ =
4137 FXRGB2GRAY(FXARGB_R(argb), FXARGB_G(argb), FXARGB_B(argb));
4138 }
4139 }
4140 } else {
4141 int palsize = 1 << (src_format & 0xff);
4142 pDestPalette = FX_Alloc(FX_DWORD, palsize);
4143 if (isDstCmyk == isSrcCmyk) {
4144 FXSYS_memcpy(pDestPalette, pSrcPalette, palsize * sizeof(FX_DWORD));
4145 } else {
4146 for (int i = 0; i < palsize; i++) {
4147 FX_CMYK cmyk = pSrcPalette[i];
4148 uint8_t r, g, b;
4149 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(cmyk), FXSYS_GetMValue(cmyk),
4150 FXSYS_GetYValue(cmyk), FXSYS_GetKValue(cmyk), r,
4151 g, b);
4152 pDestPalette[i] = FXARGB_MAKE(0xff, r, g, b);
4153 }
4154 }
4155 }
4156 } else {
4157 if ((dest_format & 0xff) == 8) {
4158 int pal_count = 1 << (src_format & 0xff);
4159 uint8_t* gray_pal = FX_Alloc(uint8_t, pal_count);
4160 if (pal_count == 2) {
4161 gray_pal[0] = 0;
4162 gray_pal[1] = 255;
4163 } else {
4164 for (int i = 0; i < pal_count; i++) {
4165 gray_pal[i] = i;
4166 }
4167 }
4168 pDestPalette = (FX_DWORD*)gray_pal;
4169 } else {
4170 int palsize = 1 << (src_format & 0xff);
4171 pDestPalette = FX_Alloc(FX_DWORD, palsize);
4172 if (palsize == 2) {
4173 pDestPalette[0] = isSrcCmyk ? 255 : 0xff000000;
4174 pDestPalette[1] = isSrcCmyk ? 0 : 0xffffffff;
4175 } else {
4176 for (int i = 0; i < palsize; i++) {
4177 pDestPalette[i] = isSrcCmyk ? FX_CCOLOR(i) : (i * 0x10101);
4178 }
4179 }
4180 if (isSrcCmyk != isDstCmyk) {
4181 for (int i = 0; i < palsize; i++) {
4182 FX_CMYK cmyk = pDestPalette[i];
4183 uint8_t r, g, b;
4184 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(cmyk), FXSYS_GetMValue(cmyk),
4185 FXSYS_GetYValue(cmyk), FXSYS_GetKValue(cmyk), r,
4186 g, b);
4187 pDestPalette[i] = FXARGB_MAKE(0xff, r, g, b);
4188 }
4189 }
4190 }
4191 }
4192 }
4193 }
4194 CFX_ScanlineCompositor::CFX_ScanlineCompositor() {
4195 m_pSrcPalette = NULL;
4196 m_pCacheScanline = NULL;
4197 m_CacheSize = 0;
4198 m_bRgbByteOrder = FALSE;
4199 m_BlendType = FXDIB_BLEND_NORMAL;
4200 }
4201 CFX_ScanlineCompositor::~CFX_ScanlineCompositor() {
4202 FX_Free(m_pSrcPalette);
4203 FX_Free(m_pCacheScanline);
4204 }
4205 FX_BOOL CFX_ScanlineCompositor::Init(FXDIB_Format dest_format,
4206 FXDIB_Format src_format,
4207 int32_t width,
4208 FX_DWORD* pSrcPalette,
4209 FX_DWORD mask_color,
4210 int blend_type,
4211 FX_BOOL bClip,
4212 FX_BOOL bRgbByteOrder,
4213 int alpha_flag,
4214 void* pIccTransform) {
4215 m_SrcFormat = src_format;
4216 m_DestFormat = dest_format;
4217 m_BlendType = blend_type;
4218 m_bRgbByteOrder = bRgbByteOrder;
4219 ICodec_IccModule* pIccModule = NULL;
4220 if (CFX_GEModule::Get()->GetCodecModule()) {
4221 pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
4222 }
4223 if (!pIccModule) {
4224 pIccTransform = NULL;
4225 }
4226 m_pIccTransform = pIccTransform;
4227 if ((dest_format & 0xff) == 1) {
4228 return FALSE;
4229 }
4230 if (m_SrcFormat == FXDIB_1bppMask || m_SrcFormat == FXDIB_8bppMask) {
4231 return _ScanlineCompositor_InitSourceMask(
4232 dest_format, alpha_flag, mask_color, m_MaskAlpha, m_MaskRed,
4233 m_MaskGreen, m_MaskBlue, m_MaskBlack, pIccModule, pIccTransform);
4234 }
4235 if (!pIccTransform && (~src_format & 0x0400) && (dest_format & 0x0400)) {
4236 return FALSE;
4237 }
4238 if ((m_SrcFormat & 0xff) <= 8) {
4239 if (dest_format == FXDIB_8bppMask) {
4240 return TRUE;
4241 }
4242 _ScanlineCompositor_InitSourcePalette(src_format, dest_format,
4243 m_pSrcPalette, pSrcPalette,
4244 pIccModule, pIccTransform);
4245 m_Transparency =
4246 (dest_format == FXDIB_Argb ? 1 : 0) + (dest_format & 0x0200 ? 2 : 0) +
4247 (dest_format & 0x0400 ? 4 : 0) + ((src_format & 0xff) == 1 ? 8 : 0);
4248 return TRUE;
4249 }
4250 m_Transparency = (src_format & 0x0200 ? 0 : 1) +
4251 (dest_format & 0x0200 ? 0 : 2) +
4252 (blend_type == FXDIB_BLEND_NORMAL ? 4 : 0) +
4253 (bClip ? 8 : 0) + (src_format & 0x0400 ? 16 : 0) +
4254 (dest_format & 0x0400 ? 32 : 0) + (pIccTransform ? 64 : 0);
4255 return TRUE;
4256 }
4257 void CFX_ScanlineCompositor::CompositeRgbBitmapLine(
4258 uint8_t* dest_scan,
4259 const uint8_t* src_scan,
4260 int width,
4261 const uint8_t* clip_scan,
4262 const uint8_t* src_extra_alpha,
4263 uint8_t* dst_extra_alpha) {
4264 int src_Bpp = (m_SrcFormat & 0xff) >> 3;
4265 int dest_Bpp = (m_DestFormat & 0xff) >> 3;
4266 if (m_bRgbByteOrder) {
4267 switch (m_Transparency) {
4268 case 0:
4269 case 4:
4270 case 8:
4271 case 12:
4272 _CompositeRow_Argb2Argb_RgbByteOrder(dest_scan, src_scan, width,
4273 m_BlendType, clip_scan);
4274 break;
4275 case 1:
4276 _CompositeRow_Rgb2Argb_Blend_NoClip_RgbByteOrder(
4277 dest_scan, src_scan, width, m_BlendType, src_Bpp);
4278 break;
4279 case 2:
4280 case 10:
4281 _CompositeRow_Argb2Rgb_Blend_RgbByteOrder(
4282 dest_scan, src_scan, width, m_BlendType, dest_Bpp, clip_scan);
4283 break;
4284 case 3:
4285 _CompositeRow_Rgb2Rgb_Blend_NoClip_RgbByteOrder(
4286 dest_scan, src_scan, width, m_BlendType, dest_Bpp, src_Bpp);
4287 break;
4288 case 5:
4289 _CompositeRow_Rgb2Argb_NoBlend_NoClip_RgbByteOrder(dest_scan, src_scan,
4290 width, src_Bpp);
4291 break;
4292 case 6:
4293 case 14:
4294 _CompositeRow_Argb2Rgb_NoBlend_RgbByteOrder(dest_scan, src_scan, width,
4295 dest_Bpp, clip_scan);
4296 break;
4297 case 7:
4298 _CompositeRow_Rgb2Rgb_NoBlend_NoClip_RgbByteOrder(
4299 dest_scan, src_scan, width, dest_Bpp, src_Bpp);
4300 break;
4301 case 9:
4302 _CompositeRow_Rgb2Argb_Blend_Clip_RgbByteOrder(
4303 dest_scan, src_scan, width, m_BlendType, src_Bpp, clip_scan);
4304 break;
4305 case 11:
4306 _CompositeRow_Rgb2Rgb_Blend_Clip_RgbByteOrder(
4307 dest_scan, src_scan, width, m_BlendType, dest_Bpp, src_Bpp,
4308 clip_scan);
4309 break;
4310 case 13:
4311 _CompositeRow_Rgb2Argb_NoBlend_Clip_RgbByteOrder(
4312 dest_scan, src_scan, width, src_Bpp, clip_scan);
4313 break;
4314 case 15:
4315 _CompositeRow_Rgb2Rgb_NoBlend_Clip_RgbByteOrder(
4316 dest_scan, src_scan, width, dest_Bpp, src_Bpp, clip_scan);
4317 break;
4318 }
4319 return;
4320 }
4321 if (m_DestFormat == FXDIB_8bppMask) {
4322 if (m_SrcFormat & 0x0200) {
4323 if (m_SrcFormat == FXDIB_Argb) {
4324 _CompositeRow_Argb2Mask(dest_scan, src_scan, width, clip_scan);
4325 } else {
4326 _CompositeRow_Rgba2Mask(dest_scan, src_extra_alpha, width, clip_scan);
4327 }
4328 } else {
4329 _CompositeRow_Rgb2Mask(dest_scan, src_scan, width, clip_scan);
4330 }
4331 } else if ((m_DestFormat & 0xff) == 8) {
4332 if (m_DestFormat & 0x0400) {
4333 for (int i = 0; i < width; i++) {
4334 *dest_scan = ~*dest_scan;
4335 dest_scan++;
4336 }
4337 }
4338 if (m_SrcFormat & 0x0200) {
4339 if (m_DestFormat & 0x0200) {
4340 _CompositeRow_Argb2Graya(dest_scan, src_scan, width, m_BlendType,
4341 clip_scan, src_extra_alpha, dst_extra_alpha,
4342 m_pIccTransform);
4343 } else {
4344 _CompositeRow_Argb2Gray(dest_scan, src_scan, width, m_BlendType,
4345 clip_scan, src_extra_alpha, m_pIccTransform);
4346 }
4347 } else {
4348 if (m_DestFormat & 0x0200) {
4349 _CompositeRow_Rgb2Graya(dest_scan, src_scan, src_Bpp, width,
4350 m_BlendType, clip_scan, dst_extra_alpha,
4351 m_pIccTransform);
4352 } else {
4353 _CompositeRow_Rgb2Gray(dest_scan, src_scan, src_Bpp, width, m_BlendType,
4354 clip_scan, m_pIccTransform);
4355 }
4356 }
4357 if (m_DestFormat & 0x0400) {
4358 for (int i = 0; i < width; i++) {
4359 *dest_scan = ~*dest_scan;
4360 dest_scan++;
4361 }
4362 }
4363 } else {
4364 int dest_Size = width * dest_Bpp + 4;
4365 if (dest_Size > m_CacheSize) {
4366 m_pCacheScanline = FX_Realloc(uint8_t, m_pCacheScanline, dest_Size);
4367 if (!m_pCacheScanline) {
4368 return;
4369 }
4370 m_CacheSize = dest_Size;
4371 }
4372 switch (m_Transparency) {
4373 case 0:
4374 case 4:
4375 case 8:
4376 case 4 + 8: {
4377 _CompositeRow_Argb2Argb(dest_scan, src_scan, width, m_BlendType,
4378 clip_scan, dst_extra_alpha, src_extra_alpha);
4379 } break;
4380 case 64:
4381 case 4 + 64:
4382 case 8 + 64:
4383 case 4 + 8 + 64: {
4384 _CompositeRow_Argb2Argb_Transform(
4385 dest_scan, src_scan, width, m_BlendType, clip_scan, dst_extra_alpha,
4386 src_extra_alpha, m_pCacheScanline, m_pIccTransform);
4387 } break;
4388 case 1:
4389 _CompositeRow_Rgb2Argb_Blend_NoClip(
4390 dest_scan, src_scan, width, m_BlendType, src_Bpp, dst_extra_alpha);
4391 break;
4392 case 1 + 64:
4393 _CompositeRow_Rgb2Argb_Blend_NoClip_Transform(
4394 dest_scan, src_scan, width, m_BlendType, src_Bpp, dst_extra_alpha,
4395 m_pCacheScanline, m_pIccTransform);
4396 break;
4397 case 1 + 8:
4398 _CompositeRow_Rgb2Argb_Blend_Clip(dest_scan, src_scan, width,
4399 m_BlendType, src_Bpp, clip_scan,
4400 dst_extra_alpha);
4401 break;
4402 case 1 + 8 + 64:
4403 _CompositeRow_Rgb2Argb_Blend_Clip_Transform(
4404 dest_scan, src_scan, width, m_BlendType, src_Bpp, clip_scan,
4405 dst_extra_alpha, m_pCacheScanline, m_pIccTransform);
4406 break;
4407 case 1 + 4:
4408 _CompositeRow_Rgb2Argb_NoBlend_NoClip(dest_scan, src_scan, width,
4409 src_Bpp, dst_extra_alpha);
4410 break;
4411 case 1 + 4 + 64:
4412 _CompositeRow_Rgb2Argb_NoBlend_NoClip_Transform(
4413 dest_scan, src_scan, width, src_Bpp, dst_extra_alpha,
4414 m_pCacheScanline, m_pIccTransform);
4415 break;
4416 case 1 + 4 + 8:
4417 _CompositeRow_Rgb2Argb_NoBlend_Clip(dest_scan, src_scan, width, src_Bpp,
4418 clip_scan, dst_extra_alpha);
4419 break;
4420 case 1 + 4 + 8 + 64:
4421 _CompositeRow_Rgb2Argb_NoBlend_Clip_Transform(
4422 dest_scan, src_scan, width, src_Bpp, clip_scan, dst_extra_alpha,
4423 m_pCacheScanline, m_pIccTransform);
4424 break;
4425 case 2:
4426 case 2 + 8:
4427 _CompositeRow_Argb2Rgb_Blend(dest_scan, src_scan, width, m_BlendType,
4428 dest_Bpp, clip_scan, src_extra_alpha);
4429 break;
4430 case 2 + 64:
4431 case 2 + 8 + 64:
4432 _CompositeRow_Argb2Rgb_Blend_Transform(
4433 dest_scan, src_scan, width, m_BlendType, dest_Bpp, clip_scan,
4434 src_extra_alpha, m_pCacheScanline, m_pIccTransform);
4435 break;
4436 case 2 + 4:
4437 case 2 + 4 + 8:
4438 _CompositeRow_Argb2Rgb_NoBlend(dest_scan, src_scan, width, dest_Bpp,
4439 clip_scan, src_extra_alpha);
4440 break;
4441 case 2 + 4 + 64:
4442 case 2 + 4 + 8 + 64:
4443 _CompositeRow_Argb2Rgb_NoBlend_Transform(
4444 dest_scan, src_scan, width, dest_Bpp, clip_scan, src_extra_alpha,
4445 m_pCacheScanline, m_pIccTransform);
4446 break;
4447 case 1 + 2:
4448 _CompositeRow_Rgb2Rgb_Blend_NoClip(dest_scan, src_scan, width,
4449 m_BlendType, dest_Bpp, src_Bpp);
4450 break;
4451 case 1 + 2 + 64:
4452 _CompositeRow_Rgb2Rgb_Blend_NoClip_Transform(
4453 dest_scan, src_scan, width, m_BlendType, dest_Bpp, src_Bpp,
4454 m_pCacheScanline, m_pIccTransform);
4455 break;
4456 case 1 + 2 + 8:
4457 _CompositeRow_Rgb2Rgb_Blend_Clip(dest_scan, src_scan, width,
4458 m_BlendType, dest_Bpp, src_Bpp,
4459 clip_scan);
4460 break;
4461 case 1 + 2 + 8 + 64:
4462 _CompositeRow_Rgb2Rgb_Blend_Clip_Transform(
4463 dest_scan, src_scan, width, m_BlendType, dest_Bpp, src_Bpp,
4464 clip_scan, m_pCacheScanline, m_pIccTransform);
4465 break;
4466 case 1 + 2 + 4:
4467 _CompositeRow_Rgb2Rgb_NoBlend_NoClip(dest_scan, src_scan, width,
4468 dest_Bpp, src_Bpp);
4469 break;
4470 case 1 + 2 + 4 + 64:
4471 _CompositeRow_Rgb2Rgb_NoBlend_NoClip_Transform(
4472 dest_scan, src_scan, width, dest_Bpp, src_Bpp, m_pCacheScanline,
4473 m_pIccTransform);
4474 break;
4475 case 1 + 2 + 4 + 8:
4476 _CompositeRow_Rgb2Rgb_NoBlend_Clip(dest_scan, src_scan, width, dest_Bpp,
4477 src_Bpp, clip_scan);
4478 break;
4479 case 1 + 2 + 4 + 8 + 64:
4480 _CompositeRow_Rgb2Rgb_NoBlend_Clip_Transform(
4481 dest_scan, src_scan, width, dest_Bpp, src_Bpp, clip_scan,
4482 m_pCacheScanline, m_pIccTransform);
4483 break;
4484 }
4485 }
4486 }
4487 void CFX_ScanlineCompositor::CompositePalBitmapLine(
4488 uint8_t* dest_scan,
4489 const uint8_t* src_scan,
4490 int src_left,
4491 int width,
4492 const uint8_t* clip_scan,
4493 const uint8_t* src_extra_alpha,
4494 uint8_t* dst_extra_alpha) {
4495 if (m_bRgbByteOrder) {
4496 if (m_SrcFormat == FXDIB_1bppRgb) {
4497 if (m_DestFormat == FXDIB_8bppRgb) {
4498 return;
4499 }
4500 if (m_DestFormat == FXDIB_Argb) {
4501 _CompositeRow_1bppRgb2Argb_NoBlend_RgbByteOrder(
4502 dest_scan, src_scan, src_left, width, m_pSrcPalette, clip_scan);
4503 } else {
4504 _CompositeRow_1bppRgb2Rgb_NoBlend_RgbByteOrder(
4505 dest_scan, src_scan, src_left, m_pSrcPalette, width,
4506 (m_DestFormat & 0xff) >> 3, clip_scan);
4507 }
4508 } else {
4509 if (m_DestFormat == FXDIB_8bppRgb) {
4510 return;
4511 }
4512 if (m_DestFormat == FXDIB_Argb) {
4513 _CompositeRow_8bppRgb2Argb_NoBlend_RgbByteOrder(
4514 dest_scan, src_scan, width, m_pSrcPalette, clip_scan);
4515 } else {
4516 _CompositeRow_8bppRgb2Rgb_NoBlend_RgbByteOrder(
4517 dest_scan, src_scan, m_pSrcPalette, width,
4518 (m_DestFormat & 0xff) >> 3, clip_scan);
4519 }
4520 }
4521 return;
4522 }
4523 if (m_DestFormat == FXDIB_8bppMask) {
4524 _CompositeRow_Rgb2Mask(dest_scan, src_scan, width, clip_scan);
4525 return;
4526 }
4527 if ((m_DestFormat & 0xff) == 8) {
4528 if (m_Transparency & 8) {
4529 if (m_DestFormat & 0x0200) {
4530 _CompositeRow_1bppPal2Graya(dest_scan, src_scan, src_left,
4531 (const uint8_t*)m_pSrcPalette, width,
4532 m_BlendType, clip_scan, dst_extra_alpha);
4533 } else {
4534 _CompositeRow_1bppPal2Gray(dest_scan, src_scan, src_left,
4535 (const uint8_t*)m_pSrcPalette, width,
4536 m_BlendType, clip_scan);
4537 }
4538 } else {
4539 if (m_DestFormat & 0x0200)
4540 _CompositeRow_8bppPal2Graya(
4541 dest_scan, src_scan, (const uint8_t*)m_pSrcPalette, width,
4542 m_BlendType, clip_scan, dst_extra_alpha, src_extra_alpha);
4543 else
4544 _CompositeRow_8bppPal2Gray(dest_scan, src_scan,
4545 (const uint8_t*)m_pSrcPalette, width,
4546 m_BlendType, clip_scan, src_extra_alpha);
4547 }
4548 } else {
4549 switch (m_Transparency) {
4550 case 1 + 2:
4551 _CompositeRow_8bppRgb2Argb_NoBlend(dest_scan, src_scan, width,
4552 m_pSrcPalette, clip_scan,
4553 src_extra_alpha);
4554 break;
4555 case 1 + 2 + 8:
4556 _CompositeRow_1bppRgb2Argb_NoBlend(dest_scan, src_scan, src_left, width,
4557 m_pSrcPalette, clip_scan);
4558 break;
4559 case 0:
4560 _CompositeRow_8bppRgb2Rgb_NoBlend(dest_scan, src_scan, m_pSrcPalette,
4561 width, (m_DestFormat & 0xff) >> 3,
4562 clip_scan, src_extra_alpha);
4563 break;
4564 case 0 + 8:
4565 _CompositeRow_1bppRgb2Rgb_NoBlend(
4566 dest_scan, src_scan, src_left, m_pSrcPalette, width,
4567 (m_DestFormat & 0xff) >> 3, clip_scan);
4568 break;
4569 case 0 + 2:
4570 _CompositeRow_8bppRgb2Rgb_NoBlend(dest_scan, src_scan, m_pSrcPalette,
4571 width, (m_DestFormat & 0xff) >> 3,
4572 clip_scan, src_extra_alpha);
4573 break;
4574 case 0 + 2 + 8:
4575 _CompositeRow_1bppRgb2Rgba_NoBlend(dest_scan, src_scan, src_left, width,
4576 m_pSrcPalette, clip_scan,
4577 dst_extra_alpha);
4578 break;
4579 break;
4580 }
4581 }
4582 }
4583 void CFX_ScanlineCompositor::CompositeByteMaskLine(uint8_t* dest_scan,
4584 const uint8_t* src_scan,
4585 int width,
4586 const uint8_t* clip_scan,
4587 uint8_t* dst_extra_alpha) {
4588 if (m_DestFormat == FXDIB_8bppMask) {
4589 _CompositeRow_ByteMask2Mask(dest_scan, src_scan, m_MaskAlpha, width,
4590 clip_scan);
4591 } else if ((m_DestFormat & 0xff) == 8) {
4592 if (m_DestFormat & 0x0200) {
4593 _CompositeRow_ByteMask2Graya(dest_scan, src_scan, m_MaskAlpha, m_MaskRed,
4594 width, clip_scan, dst_extra_alpha);
4595 } else {
4596 _CompositeRow_ByteMask2Gray(dest_scan, src_scan, m_MaskAlpha, m_MaskRed,
4597 width, clip_scan);
4598 }
4599 } else if (m_bRgbByteOrder) {
4600 if (m_DestFormat == FXDIB_Argb) {
4601 _CompositeRow_ByteMask2Argb_RgbByteOrder(
4602 dest_scan, src_scan, m_MaskAlpha, m_MaskRed, m_MaskGreen, m_MaskBlue,
4603 width, m_BlendType, clip_scan);
4604 } else {
4605 _CompositeRow_ByteMask2Rgb_RgbByteOrder(
4606 dest_scan, src_scan, m_MaskAlpha, m_MaskRed, m_MaskGreen, m_MaskBlue,
4607 width, m_BlendType, (m_DestFormat & 0xff) >> 3, clip_scan);
4608 }
4609 return;
4610 } else if (m_DestFormat == FXDIB_Argb) {
4611 _CompositeRow_ByteMask2Argb(dest_scan, src_scan, m_MaskAlpha, m_MaskRed,
4612 m_MaskGreen, m_MaskBlue, width, m_BlendType,
4613 clip_scan);
4614 } else if (m_DestFormat == FXDIB_Rgb || m_DestFormat == FXDIB_Rgb32) {
4615 _CompositeRow_ByteMask2Rgb(dest_scan, src_scan, m_MaskAlpha, m_MaskRed,
4616 m_MaskGreen, m_MaskBlue, width, m_BlendType,
4617 (m_DestFormat & 0xff) >> 3, clip_scan);
4618 } else if (m_DestFormat == FXDIB_Rgba) {
4619 _CompositeRow_ByteMask2Rgba(dest_scan, src_scan, m_MaskAlpha, m_MaskRed,
4620 m_MaskGreen, m_MaskBlue, width, m_BlendType,
4621 clip_scan, dst_extra_alpha);
4622 }
4623 }
4624 void CFX_ScanlineCompositor::CompositeBitMaskLine(uint8_t* dest_scan,
4625 const uint8_t* src_scan,
4626 int src_left,
4627 int width,
4628 const uint8_t* clip_scan,
4629 uint8_t* dst_extra_alpha) {
4630 if (m_DestFormat == FXDIB_8bppMask) {
4631 _CompositeRow_BitMask2Mask(dest_scan, src_scan, m_MaskAlpha, src_left,
4632 width, clip_scan);
4633 } else if ((m_DestFormat & 0xff) == 8) {
4634 if (m_DestFormat & 0x0200) {
4635 _CompositeRow_BitMask2Graya(dest_scan, src_scan, m_MaskAlpha, m_MaskRed,
4636 src_left, width, clip_scan, dst_extra_alpha);
4637 } else {
4638 _CompositeRow_BitMask2Gray(dest_scan, src_scan, m_MaskAlpha, m_MaskRed,
4639 src_left, width, clip_scan);
4640 }
4641 } else if (m_bRgbByteOrder) {
4642 if (m_DestFormat == FXDIB_Argb) {
4643 _CompositeRow_BitMask2Argb_RgbByteOrder(
4644 dest_scan, src_scan, m_MaskAlpha, m_MaskRed, m_MaskGreen, m_MaskBlue,
4645 src_left, width, m_BlendType, clip_scan);
4646 } else {
4647 _CompositeRow_BitMask2Rgb_RgbByteOrder(
4648 dest_scan, src_scan, m_MaskAlpha, m_MaskRed, m_MaskGreen, m_MaskBlue,
4649 src_left, width, m_BlendType, (m_DestFormat & 0xff) >> 3, clip_scan);
4650 }
4651 return;
4652 } else if (m_DestFormat == FXDIB_Argb) {
4653 _CompositeRow_BitMask2Argb(dest_scan, src_scan, m_MaskAlpha, m_MaskRed,
4654 m_MaskGreen, m_MaskBlue, src_left, width,
4655 m_BlendType, clip_scan);
4656 } else if (m_DestFormat == FXDIB_Rgb || m_DestFormat == FXDIB_Rgb32) {
4657 _CompositeRow_BitMask2Rgb(
4658 dest_scan, src_scan, m_MaskAlpha, m_MaskRed, m_MaskGreen, m_MaskBlue,
4659 src_left, width, m_BlendType, (m_DestFormat & 0xff) >> 3, clip_scan);
4660 }
4661 }
4662
4663 FX_BOOL CFX_DIBitmap::CompositeBitmap(int dest_left,
4664 int dest_top,
4665 int width,
4666 int height,
4667 const CFX_DIBSource* pSrcBitmap,
4668 int src_left,
4669 int src_top,
4670 int blend_type,
4671 const CFX_ClipRgn* pClipRgn,
4672 FX_BOOL bRgbByteOrder,
4673 void* pIccTransform) {
4674 if (!m_pBuffer) {
4675 return FALSE;
4676 }
4677 ASSERT(!pSrcBitmap->IsAlphaMask());
4678 ASSERT(m_bpp >= 8);
4679 if (pSrcBitmap->IsAlphaMask() || m_bpp < 8) {
4680 return FALSE;
4681 }
4682 GetOverlapRect(dest_left, dest_top, width, height, pSrcBitmap->GetWidth(),
4683 pSrcBitmap->GetHeight(), src_left, src_top, pClipRgn);
4684 if (width == 0 || height == 0) {
4685 return TRUE;
4686 }
4687 const CFX_DIBitmap* pClipMask = NULL;
4688 FX_RECT clip_box;
4689 if (pClipRgn && pClipRgn->GetType() != CFX_ClipRgn::RectI) {
4690 ASSERT(pClipRgn->GetType() == CFX_ClipRgn::MaskF);
4691 pClipMask = pClipRgn->GetMask();
4692 clip_box = pClipRgn->GetBox();
4693 }
4694 CFX_ScanlineCompositor compositor;
4695 if (!compositor.Init(GetFormat(), pSrcBitmap->GetFormat(), width,
4696 pSrcBitmap->GetPalette(), 0, blend_type,
4697 pClipMask != NULL, bRgbByteOrder, 0, pIccTransform)) {
4698 return FALSE;
4699 }
4700 int dest_Bpp = m_bpp / 8;
4701 int src_Bpp = pSrcBitmap->GetBPP() / 8;
4702 FX_BOOL bRgb = src_Bpp > 1 && !pSrcBitmap->IsCmykImage();
4703 CFX_DIBitmap* pSrcAlphaMask = pSrcBitmap->m_pAlphaMask;
4704 for (int row = 0; row < height; row++) {
4705 uint8_t* dest_scan =
4706 m_pBuffer + (dest_top + row) * m_Pitch + dest_left * dest_Bpp;
4707 const uint8_t* src_scan =
4708 pSrcBitmap->GetScanline(src_top + row) + src_left * src_Bpp;
4709 const uint8_t* src_scan_extra_alpha =
4710 pSrcAlphaMask ? pSrcAlphaMask->GetScanline(src_top + row) + src_left
4711 : NULL;
4712 uint8_t* dst_scan_extra_alpha =
4713 m_pAlphaMask
4714 ? (uint8_t*)m_pAlphaMask->GetScanline(dest_top + row) + dest_left
4715 : NULL;
4716 const uint8_t* clip_scan = NULL;
4717 if (pClipMask) {
4718 clip_scan = pClipMask->m_pBuffer +
4719 (dest_top + row - clip_box.top) * pClipMask->m_Pitch +
4720 (dest_left - clip_box.left);
4721 }
4722 if (bRgb) {
4723 compositor.CompositeRgbBitmapLine(dest_scan, src_scan, width, clip_scan,
4724 src_scan_extra_alpha,
4725 dst_scan_extra_alpha);
4726 } else {
4727 compositor.CompositePalBitmapLine(dest_scan, src_scan, src_left, width,
4728 clip_scan, src_scan_extra_alpha,
4729 dst_scan_extra_alpha);
4730 }
4731 }
4732 return TRUE;
4733 }
4734 FX_BOOL CFX_DIBitmap::CompositeMask(int dest_left,
4735 int dest_top,
4736 int width,
4737 int height,
4738 const CFX_DIBSource* pMask,
4739 FX_DWORD color,
4740 int src_left,
4741 int src_top,
4742 int blend_type,
4743 const CFX_ClipRgn* pClipRgn,
4744 FX_BOOL bRgbByteOrder,
4745 int alpha_flag,
4746 void* pIccTransform) {
4747 if (!m_pBuffer) {
4748 return FALSE;
4749 }
4750 ASSERT(pMask->IsAlphaMask());
4751 ASSERT(m_bpp >= 8);
4752 if (!pMask->IsAlphaMask() || m_bpp < 8) {
4753 return FALSE;
4754 }
4755 GetOverlapRect(dest_left, dest_top, width, height, pMask->GetWidth(),
4756 pMask->GetHeight(), src_left, src_top, pClipRgn);
4757 if (width == 0 || height == 0) {
4758 return TRUE;
4759 }
4760 int src_alpha =
4761 (uint8_t)(alpha_flag >> 8) ? (alpha_flag & 0xff) : FXARGB_A(color);
4762 if (src_alpha == 0) {
4763 return TRUE;
4764 }
4765 const CFX_DIBitmap* pClipMask = NULL;
4766 FX_RECT clip_box;
4767 if (pClipRgn && pClipRgn->GetType() != CFX_ClipRgn::RectI) {
4768 ASSERT(pClipRgn->GetType() == CFX_ClipRgn::MaskF);
4769 pClipMask = pClipRgn->GetMask();
4770 clip_box = pClipRgn->GetBox();
4771 }
4772 int src_bpp = pMask->GetBPP();
4773 int Bpp = GetBPP() / 8;
4774 CFX_ScanlineCompositor compositor;
4775 if (!compositor.Init(GetFormat(), pMask->GetFormat(), width, NULL, color,
4776 blend_type, pClipMask != NULL, bRgbByteOrder, alpha_flag,
4777 pIccTransform)) {
4778 return FALSE;
4779 }
4780 for (int row = 0; row < height; row++) {
4781 uint8_t* dest_scan =
4782 m_pBuffer + (dest_top + row) * m_Pitch + dest_left * Bpp;
4783 const uint8_t* src_scan = pMask->GetScanline(src_top + row);
4784 uint8_t* dst_scan_extra_alpha =
4785 m_pAlphaMask
4786 ? (uint8_t*)m_pAlphaMask->GetScanline(dest_top + row) + dest_left
4787 : NULL;
4788 const uint8_t* clip_scan = NULL;
4789 if (pClipMask) {
4790 clip_scan = pClipMask->m_pBuffer +
4791 (dest_top + row - clip_box.top) * pClipMask->m_Pitch +
4792 (dest_left - clip_box.left);
4793 }
4794 if (src_bpp == 1) {
4795 compositor.CompositeBitMaskLine(dest_scan, src_scan, src_left, width,
4796 clip_scan, dst_scan_extra_alpha);
4797 } else {
4798 compositor.CompositeByteMaskLine(dest_scan, src_scan + src_left, width,
4799 clip_scan, dst_scan_extra_alpha);
4800 }
4801 }
4802 return TRUE;
4803 }
4804 FX_BOOL CFX_DIBitmap::CompositeRect(int left,
4805 int top,
4806 int width,
4807 int height,
4808 FX_DWORD color,
4809 int alpha_flag,
4810 void* pIccTransform) {
4811 if (!m_pBuffer) {
4812 return FALSE;
4813 }
4814 int src_alpha = (alpha_flag >> 8) ? (alpha_flag & 0xff) : FXARGB_A(color);
4815 if (src_alpha == 0) {
4816 return TRUE;
4817 }
4818 FX_RECT rect(left, top, left + width, top + height);
4819 rect.Intersect(0, 0, m_Width, m_Height);
4820 if (rect.IsEmpty()) {
4821 return TRUE;
4822 }
4823 width = rect.Width();
4824 FX_DWORD dst_color;
4825 if (alpha_flag >> 8) {
4826 dst_color = FXCMYK_TODIB(color);
4827 } else {
4828 dst_color = FXARGB_TODIB(color);
4829 }
4830 uint8_t* color_p = (uint8_t*)&dst_color;
4831 if (m_bpp == 8) {
4832 uint8_t gray = 255;
4833 if (!IsAlphaMask()) {
4834 if (pIccTransform && CFX_GEModule::Get()->GetCodecModule() &&
4835 CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
4836 ICodec_IccModule* pIccModule =
4837 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
4838 pIccModule->TranslateScanline(pIccTransform, &gray, color_p, 1);
4839 } else {
4840 if (alpha_flag >> 8) {
4841 uint8_t r, g, b;
4842 AdobeCMYK_to_sRGB1(color_p[0], color_p[1], color_p[2], color_p[3], r,
4843 g, b);
4844 gray = FXRGB2GRAY(r, g, b);
4845 } else {
4846 gray = (uint8_t)FXRGB2GRAY((int)color_p[2], color_p[1], color_p[0]);
4847 }
4848 }
4849 if (IsCmykImage()) {
4850 gray = ~gray;
4851 }
4852 }
4853 for (int row = rect.top; row < rect.bottom; row++) {
4854 uint8_t* dest_scan = m_pBuffer + row * m_Pitch + rect.left;
4855 if (src_alpha == 255) {
4856 FXSYS_memset(dest_scan, gray, width);
4857 } else {
4858 for (int col = 0; col < width; col++) {
4859 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
4860 dest_scan++;
4861 }
4862 }
4863 }
4864 return TRUE;
4865 }
4866 if (m_bpp == 1) {
4867 ASSERT(!IsCmykImage() && (uint8_t)(alpha_flag >> 8) == 0);
4868 int left_shift = rect.left % 8;
4869 int right_shift = rect.right % 8;
4870 int width = rect.right / 8 - rect.left / 8;
4871 int index = 0;
4872 if (m_pPalette) {
4873 for (int i = 0; i < 2; i++) {
4874 if (m_pPalette[i] == color) {
4875 index = i;
4876 }
4877 }
4878 } else {
4879 index = ((uint8_t)color == 0xff) ? 1 : 0;
4880 }
4881 for (int row = rect.top; row < rect.bottom; row++) {
4882 uint8_t* dest_scan_top = (uint8_t*)GetScanline(row) + rect.left / 8;
4883 uint8_t* dest_scan_top_r = (uint8_t*)GetScanline(row) + rect.right / 8;
4884 uint8_t left_flag = *dest_scan_top & (255 << (8 - left_shift));
4885 uint8_t right_flag = *dest_scan_top_r & (255 >> right_shift);
4886 if (width) {
4887 FXSYS_memset(dest_scan_top + 1, index ? 255 : 0, width - 1);
4888 if (!index) {
4889 *dest_scan_top &= left_flag;
4890 *dest_scan_top_r &= right_flag;
4891 } else {
4892 *dest_scan_top |= ~left_flag;
4893 *dest_scan_top_r |= ~right_flag;
4894 }
4895 } else {
4896 if (!index) {
4897 *dest_scan_top &= left_flag | right_flag;
4898 } else {
4899 *dest_scan_top |= ~(left_flag | right_flag);
4900 }
4901 }
4902 }
4903 return TRUE;
4904 }
4905 ASSERT(m_bpp >= 24);
4906 if (m_bpp < 24) {
4907 return FALSE;
4908 }
4909 if (pIccTransform && CFX_GEModule::Get()->GetCodecModule()) {
4910 ICodec_IccModule* pIccModule =
4911 CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
4912 pIccModule->TranslateScanline(pIccTransform, color_p, color_p, 1);
4913 } else {
4914 if (alpha_flag >> 8 && !IsCmykImage()) {
4915 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
4916 FXSYS_GetYValue(color), FXSYS_GetKValue(color),
4917 color_p[2], color_p[1], color_p[0]);
4918 } else if (!(alpha_flag >> 8) && IsCmykImage()) {
4919 return FALSE;
4920 }
4921 }
4922 if (!IsCmykImage()) {
4923 color_p[3] = (uint8_t)src_alpha;
4924 }
4925 int Bpp = m_bpp / 8;
4926 FX_BOOL bAlpha = HasAlpha();
4927 bool bArgb = GetFormat() == FXDIB_Argb;
4928 if (src_alpha == 255) {
4929 for (int row = rect.top; row < rect.bottom; row++) {
4930 uint8_t* dest_scan = m_pBuffer + row * m_Pitch + rect.left * Bpp;
4931 uint8_t* dest_scan_alpha =
4932 m_pAlphaMask ? (uint8_t*)m_pAlphaMask->GetScanline(row) + rect.left
4933 : NULL;
4934 if (dest_scan_alpha) {
4935 FXSYS_memset(dest_scan_alpha, 0xff, width);
4936 }
4937 if (Bpp == 4) {
4938 FX_DWORD* scan = (FX_DWORD*)dest_scan;
4939 for (int col = 0; col < width; col++) {
4940 *scan++ = dst_color;
4941 }
4942 } else {
4943 for (int col = 0; col < width; col++) {
4944 *dest_scan++ = color_p[0];
4945 *dest_scan++ = color_p[1];
4946 *dest_scan++ = color_p[2];
4947 }
4948 }
4949 }
4950 return TRUE;
4951 }
4952 for (int row = rect.top; row < rect.bottom; row++) {
4953 uint8_t* dest_scan = m_pBuffer + row * m_Pitch + rect.left * Bpp;
4954 if (bAlpha) {
4955 if (bArgb) {
4956 for (int col = 0; col < width; col++) {
4957 uint8_t back_alpha = dest_scan[3];
4958 if (back_alpha == 0) {
4959 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha, color_p[2],
4960 color_p[1], color_p[0]));
4961 dest_scan += 4;
4962 continue;
4963 }
4964 uint8_t dest_alpha =
4965 back_alpha + src_alpha - back_alpha * src_alpha / 255;
4966 int alpha_ratio = src_alpha * 255 / dest_alpha;
4967 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, color_p[0], alpha_ratio);
4968 dest_scan++;
4969 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, color_p[1], alpha_ratio);
4970 dest_scan++;
4971 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, color_p[2], alpha_ratio);
4972 dest_scan++;
4973 *dest_scan++ = dest_alpha;
4974 }
4975 } else {
4976 uint8_t* dest_scan_alpha =
4977 (uint8_t*)m_pAlphaMask->GetScanline(row) + rect.left;
4978 for (int col = 0; col < width; col++) {
4979 uint8_t back_alpha = *dest_scan_alpha;
4980 if (back_alpha == 0) {
4981 *dest_scan_alpha++ = src_alpha;
4982 FXSYS_memcpy(dest_scan, color_p, Bpp);
4983 dest_scan += Bpp;
4984 continue;
4985 }
4986 uint8_t dest_alpha =
4987 back_alpha + src_alpha - back_alpha * src_alpha / 255;
4988 *dest_scan_alpha++ = dest_alpha;
4989 int alpha_ratio = src_alpha * 255 / dest_alpha;
4990 for (int comps = 0; comps < Bpp; comps++) {
4991 *dest_scan =
4992 FXDIB_ALPHA_MERGE(*dest_scan, color_p[comps], alpha_ratio);
4993 dest_scan++;
4994 }
4995 }
4996 }
4997 } else {
4998 for (int col = 0; col < width; col++) {
4999 for (int comps = 0; comps < Bpp; comps++) {
5000 if (comps == 3) {
5001 *dest_scan++ = 255;
5002 continue;
5003 }
5004 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, color_p[comps], src_alpha);
5005 dest_scan++;
5006 }
5007 }
5008 }
5009 }
5010 return TRUE;
5011 }
5012 CFX_BitmapComposer::CFX_BitmapComposer() {
5013 m_pScanlineV = NULL;
5014 m_pScanlineAlphaV = NULL;
5015 m_pClipScanV = NULL;
5016 m_pAddClipScan = NULL;
5017 m_bRgbByteOrder = FALSE;
5018 m_BlendType = FXDIB_BLEND_NORMAL;
5019 }
5020 CFX_BitmapComposer::~CFX_BitmapComposer() {
5021 FX_Free(m_pScanlineV);
5022 FX_Free(m_pScanlineAlphaV);
5023 FX_Free(m_pClipScanV);
5024 FX_Free(m_pAddClipScan);
5025 }
5026 void CFX_BitmapComposer::Compose(CFX_DIBitmap* pDest,
5027 const CFX_ClipRgn* pClipRgn,
5028 int bitmap_alpha,
5029 FX_DWORD mask_color,
5030 FX_RECT& dest_rect,
5031 FX_BOOL bVertical,
5032 FX_BOOL bFlipX,
5033 FX_BOOL bFlipY,
5034 FX_BOOL bRgbByteOrder,
5035 int alpha_flag,
5036 void* pIccTransform,
5037 int blend_type) {
5038 m_pBitmap = pDest;
5039 m_pClipRgn = pClipRgn;
5040 m_DestLeft = dest_rect.left;
5041 m_DestTop = dest_rect.top;
5042 m_DestWidth = dest_rect.Width();
5043 m_DestHeight = dest_rect.Height();
5044 m_BitmapAlpha = bitmap_alpha;
5045 m_MaskColor = mask_color;
5046 m_pClipMask = NULL;
5047 if (pClipRgn && pClipRgn->GetType() != CFX_ClipRgn::RectI) {
5048 m_pClipMask = pClipRgn->GetMask();
5049 }
5050 m_bVertical = bVertical;
5051 m_bFlipX = bFlipX;
5052 m_bFlipY = bFlipY;
5053 m_AlphaFlag = alpha_flag;
5054 m_pIccTransform = pIccTransform;
5055 m_bRgbByteOrder = bRgbByteOrder;
5056 m_BlendType = blend_type;
5057 }
5058 FX_BOOL CFX_BitmapComposer::SetInfo(int width,
5059 int height,
5060 FXDIB_Format src_format,
5061 FX_DWORD* pSrcPalette) {
5062 m_SrcFormat = src_format;
5063 if (!m_Compositor.Init(m_pBitmap->GetFormat(), src_format, width, pSrcPalette,
5064 m_MaskColor, FXDIB_BLEND_NORMAL,
5065 m_pClipMask != NULL || (m_BitmapAlpha < 255),
5066 m_bRgbByteOrder, m_AlphaFlag, m_pIccTransform)) {
5067 return FALSE;
5068 }
5069 if (m_bVertical) {
5070 m_pScanlineV = FX_Alloc(uint8_t, m_pBitmap->GetBPP() / 8 * width + 4);
5071 m_pClipScanV = FX_Alloc(uint8_t, m_pBitmap->GetHeight());
5072 if (m_pBitmap->m_pAlphaMask) {
5073 m_pScanlineAlphaV = FX_Alloc(uint8_t, width + 4);
5074 }
5075 }
5076 if (m_BitmapAlpha < 255) {
5077 m_pAddClipScan = FX_Alloc(
5078 uint8_t, m_bVertical ? m_pBitmap->GetHeight() : m_pBitmap->GetWidth());
5079 }
5080 return TRUE;
5081 }
5082 void CFX_BitmapComposer::DoCompose(uint8_t* dest_scan,
5083 const uint8_t* src_scan,
5084 int dest_width,
5085 const uint8_t* clip_scan,
5086 const uint8_t* src_extra_alpha,
5087 uint8_t* dst_extra_alpha) {
5088 if (m_BitmapAlpha < 255) {
5089 if (clip_scan) {
5090 for (int i = 0; i < dest_width; i++) {
5091 m_pAddClipScan[i] = clip_scan[i] * m_BitmapAlpha / 255;
5092 }
5093 } else {
5094 FXSYS_memset(m_pAddClipScan, m_BitmapAlpha, dest_width);
5095 }
5096 clip_scan = m_pAddClipScan;
5097 }
5098 if (m_SrcFormat == FXDIB_8bppMask) {
5099 m_Compositor.CompositeByteMaskLine(dest_scan, src_scan, dest_width,
5100 clip_scan, dst_extra_alpha);
5101 } else if ((m_SrcFormat & 0xff) == 8) {
5102 m_Compositor.CompositePalBitmapLine(dest_scan, src_scan, 0, dest_width,
5103 clip_scan, src_extra_alpha,
5104 dst_extra_alpha);
5105 } else {
5106 m_Compositor.CompositeRgbBitmapLine(dest_scan, src_scan, dest_width,
5107 clip_scan, src_extra_alpha,
5108 dst_extra_alpha);
5109 }
5110 }
5111 void CFX_BitmapComposer::ComposeScanline(int line,
5112 const uint8_t* scanline,
5113 const uint8_t* scan_extra_alpha) {
5114 if (m_bVertical) {
5115 ComposeScanlineV(line, scanline, scan_extra_alpha);
5116 return;
5117 }
5118 const uint8_t* clip_scan = NULL;
5119 if (m_pClipMask)
5120 clip_scan = m_pClipMask->GetBuffer() +
5121 (m_DestTop + line - m_pClipRgn->GetBox().top) *
5122 m_pClipMask->GetPitch() +
5123 (m_DestLeft - m_pClipRgn->GetBox().left);
5124 uint8_t* dest_scan = (uint8_t*)m_pBitmap->GetScanline(line + m_DestTop) +
5125 m_DestLeft * m_pBitmap->GetBPP() / 8;
5126 uint8_t* dest_alpha_scan =
5127 m_pBitmap->m_pAlphaMask
5128 ? (uint8_t*)m_pBitmap->m_pAlphaMask->GetScanline(line + m_DestTop) +
5129 m_DestLeft
5130 : NULL;
5131 DoCompose(dest_scan, scanline, m_DestWidth, clip_scan, scan_extra_alpha,
5132 dest_alpha_scan);
5133 }
5134 void CFX_BitmapComposer::ComposeScanlineV(int line,
5135 const uint8_t* scanline,
5136 const uint8_t* scan_extra_alpha) {
5137 int i;
5138 int Bpp = m_pBitmap->GetBPP() / 8;
5139 int dest_pitch = m_pBitmap->GetPitch();
5140 int dest_alpha_pitch =
5141 m_pBitmap->m_pAlphaMask ? m_pBitmap->m_pAlphaMask->GetPitch() : 0;
5142 int dest_x = m_DestLeft + (m_bFlipX ? (m_DestWidth - line - 1) : line);
5143 uint8_t* dest_buf =
5144 m_pBitmap->GetBuffer() + dest_x * Bpp + m_DestTop * dest_pitch;
5145 uint8_t* dest_alpha_buf = m_pBitmap->m_pAlphaMask
5146 ? m_pBitmap->m_pAlphaMask->GetBuffer() +
5147 dest_x + m_DestTop * dest_alpha_pitch
5148 : NULL;
5149 if (m_bFlipY) {
5150 dest_buf += dest_pitch * (m_DestHeight - 1);
5151 dest_alpha_buf += dest_alpha_pitch * (m_DestHeight - 1);
5152 }
5153 int y_step = dest_pitch;
5154 int y_alpha_step = dest_alpha_pitch;
5155 if (m_bFlipY) {
5156 y_step = -y_step;
5157 y_alpha_step = -y_alpha_step;
5158 }
5159 uint8_t* src_scan = m_pScanlineV;
5160 uint8_t* dest_scan = dest_buf;
5161 for (i = 0; i < m_DestHeight; i++) {
5162 for (int j = 0; j < Bpp; j++) {
5163 *src_scan++ = dest_scan[j];
5164 }
5165 dest_scan += y_step;
5166 }
5167 uint8_t* src_alpha_scan = m_pScanlineAlphaV;
5168 uint8_t* dest_alpha_scan = dest_alpha_buf;
5169 if (dest_alpha_scan) {
5170 for (i = 0; i < m_DestHeight; i++) {
5171 *src_alpha_scan++ = *dest_alpha_scan;
5172 dest_alpha_scan += y_alpha_step;
5173 }
5174 }
5175 uint8_t* clip_scan = NULL;
5176 if (m_pClipMask) {
5177 clip_scan = m_pClipScanV;
5178 int clip_pitch = m_pClipMask->GetPitch();
5179 const uint8_t* src_clip =
5180 m_pClipMask->GetBuffer() +
5181 (m_DestTop - m_pClipRgn->GetBox().top) * clip_pitch +
5182 (dest_x - m_pClipRgn->GetBox().left);
5183 if (m_bFlipY) {
5184 src_clip += clip_pitch * (m_DestHeight - 1);
5185 clip_pitch = -clip_pitch;
5186 }
5187 for (i = 0; i < m_DestHeight; i++) {
5188 clip_scan[i] = *src_clip;
5189 src_clip += clip_pitch;
5190 }
5191 }
5192 DoCompose(m_pScanlineV, scanline, m_DestHeight, clip_scan, scan_extra_alpha,
5193 m_pScanlineAlphaV);
5194 src_scan = m_pScanlineV;
5195 dest_scan = dest_buf;
5196 for (i = 0; i < m_DestHeight; i++) {
5197 for (int j = 0; j < Bpp; j++) {
5198 dest_scan[j] = *src_scan++;
5199 }
5200 dest_scan += y_step;
5201 }
5202 src_alpha_scan = m_pScanlineAlphaV;
5203 dest_alpha_scan = dest_alpha_buf;
5204 if (dest_alpha_scan) {
5205 for (i = 0; i < m_DestHeight; i++) {
5206 *dest_alpha_scan = *src_alpha_scan++;
5207 dest_alpha_scan += y_alpha_step;
5208 }
5209 }
5210 }
OLDNEW
« no previous file with comments | « core/src/fxge/dib/dib_int.h ('k') | core/src/fxge/dib/fx_dib_convert.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698