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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #include "SkCoreBlitters.h" | 10 #include "SkCoreBlitters.h" |
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340 for (int i = width - 1; i >= 0; --i) { | 340 for (int i = width - 1; i >= 0; --i) { |
341 device[i] = aa_blend8(span[i], device[i], alpha[i]); | 341 device[i] = aa_blend8(span[i], device[i], alpha[i]); |
342 } | 342 } |
343 } | 343 } |
344 | 344 |
345 y += 1; | 345 y += 1; |
346 device += fDevice.rowBytes(); | 346 device += fDevice.rowBytes(); |
347 alpha += mask.fRowBytes; | 347 alpha += mask.fRowBytes; |
348 } | 348 } |
349 } | 349 } |
| 350 |
| 351 /////////////////////////////////////////////////////////////////////////////// |
| 352 |
| 353 SkA8_Coverage_Blitter::SkA8_Coverage_Blitter(const SkBitmap& device, |
| 354 const SkPaint& paint) : SkRasterBlitter(device) { |
| 355 SkASSERT(NULL == paint.getShader()); |
| 356 SkASSERT(NULL == paint.getXfermode()); |
| 357 SkASSERT(NULL == paint.getColorFilter()); |
| 358 } |
| 359 |
| 360 void SkA8_Coverage_Blitter::blitAntiH(int x, int y, const SkAlpha antialias[], |
| 361 const int16_t runs[]) { |
| 362 SkASSERT(0 == x); |
| 363 |
| 364 uint8_t* device = fDevice.getAddr8(x, y); |
| 365 SkDEBUGCODE(int totalCount = 0;) |
| 366 |
| 367 for (;;) { |
| 368 int count = runs[0]; |
| 369 SkASSERT(count >= 0); |
| 370 if (count == 0) { |
| 371 return; |
| 372 } |
| 373 memset(device, antialias[0], count); |
| 374 runs += count; |
| 375 antialias += count; |
| 376 device += count; |
| 377 |
| 378 SkDEBUGCODE(totalCount += count;) |
| 379 } |
| 380 SkASSERT(fDevice.width() == totalCount); |
| 381 } |
| 382 |
| 383 void SkA8_Coverage_Blitter::blitH(int x, int y, int width) { |
| 384 sk_throw(); |
| 385 } |
| 386 |
| 387 void SkA8_Coverage_Blitter::blitV(int x, int y, int height, SkAlpha alpha) { |
| 388 sk_throw(); |
| 389 } |
| 390 |
| 391 void SkA8_Coverage_Blitter::blitRect(int x, int y, int width, int height) { |
| 392 sk_throw(); |
| 393 } |
| 394 |
| 395 void SkA8_Coverage_Blitter::blitMask(const SkMask&, const SkIRect&) { |
| 396 sk_throw(); |
| 397 } |
| 398 |
| 399 const SkBitmap* SkA8_Coverage_Blitter::justAnOpaqueColor(uint32_t*) { |
| 400 sk_throw(); |
| 401 return NULL; |
| 402 } |
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