OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBmpRLECodec.h" | 8 #include "SkBmpRLECodec.h" |
9 #include "SkCodecPriv.h" | 9 #include "SkCodecPriv.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
(...skipping 191 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
202 int row; | 202 int row; |
203 if (SkBmpCodec::kBottomUp_RowOrder == this->rowOrder()) { | 203 if (SkBmpCodec::kBottomUp_RowOrder == this->rowOrder()) { |
204 row = height - y - 1; | 204 row = height - y - 1; |
205 } else { | 205 } else { |
206 row = y; | 206 row = y; |
207 } | 207 } |
208 | 208 |
209 // Set the pixel based on destination color type | 209 // Set the pixel based on destination color type |
210 switch (dstInfo.colorType()) { | 210 switch (dstInfo.colorType()) { |
211 case kN32_SkColorType: { | 211 case kN32_SkColorType: { |
212 SkPMColor* dstRow = SkTAddOffset<SkPMColor>((SkPMColor*) dst, | 212 SkPMColor* dstRow = SkTAddOffset<SkPMColor>(dst, row * (int) dstRowB
ytes); |
213 row * (int) dstRowBytes); | |
214 dstRow[x] = fColorTable->operator[](index); | 213 dstRow[x] = fColorTable->operator[](index); |
215 break; | 214 break; |
216 } | 215 } |
217 case kRGB_565_SkColorType: { | 216 case kRGB_565_SkColorType: { |
218 uint16_t* dstRow = SkTAddOffset<uint16_t>(dst, row * (int) dstRowByt
es); | 217 uint16_t* dstRow = SkTAddOffset<uint16_t>(dst, row * (int) dstRowByt
es); |
219 dstRow[x] = SkPixel32ToPixel16(fColorTable->operator[](index)); | 218 dstRow[x] = SkPixel32ToPixel16(fColorTable->operator[](index)); |
220 break; | 219 break; |
221 } | 220 } |
222 default: | 221 default: |
223 // This case should not be reached. We should catch an invalid | 222 // This case should not be reached. We should catch an invalid |
(...skipping 15 matching lines...) Expand all Loading... |
239 int row; | 238 int row; |
240 if (SkBmpCodec::kBottomUp_RowOrder == this->rowOrder()) { | 239 if (SkBmpCodec::kBottomUp_RowOrder == this->rowOrder()) { |
241 row = height - y - 1; | 240 row = height - y - 1; |
242 } else { | 241 } else { |
243 row = y; | 242 row = y; |
244 } | 243 } |
245 | 244 |
246 // Set the pixel based on destination color type | 245 // Set the pixel based on destination color type |
247 switch (dstInfo.colorType()) { | 246 switch (dstInfo.colorType()) { |
248 case kN32_SkColorType: { | 247 case kN32_SkColorType: { |
249 SkPMColor* dstRow = SkTAddOffset<SkPMColor>((SkPMColor*) dst, | 248 SkPMColor* dstRow = SkTAddOffset<SkPMColor>(dst, row * (int) dstRowB
ytes); |
250 row * (int) dstRowBytes); | |
251 dstRow[x] = SkPackARGB32NoCheck(0xFF, red, green, blue); | 249 dstRow[x] = SkPackARGB32NoCheck(0xFF, red, green, blue); |
252 break; | 250 break; |
253 } | 251 } |
254 case kRGB_565_SkColorType: { | 252 case kRGB_565_SkColorType: { |
255 uint16_t* dstRow = SkTAddOffset<uint16_t>(dst, row * (int) dstRowByt
es); | 253 uint16_t* dstRow = SkTAddOffset<uint16_t>(dst, row * (int) dstRowByt
es); |
256 dstRow[x] = SkPack888ToRGB16(red, green, blue); | 254 dstRow[x] = SkPack888ToRGB16(red, green, blue); |
257 break; | 255 break; |
258 } | 256 } |
259 default: | 257 default: |
260 // This case should not be reached. We should catch an invalid | 258 // This case should not be reached. We should catch an invalid |
(...skipping 166 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
427 if (this->checkForMoreData() < 2) { | 425 if (this->checkForMoreData() < 2) { |
428 return kIncompleteInput; | 426 return kIncompleteInput; |
429 } | 427 } |
430 } | 428 } |
431 | 429 |
432 // Fill the pixels up to endX with the specified color | 430 // Fill the pixels up to endX with the specified color |
433 uint8_t blue = task; | 431 uint8_t blue = task; |
434 uint8_t green = fStreamBuffer.get()[fCurrRLEByte++]; | 432 uint8_t green = fStreamBuffer.get()[fCurrRLEByte++]; |
435 uint8_t red = fStreamBuffer.get()[fCurrRLEByte++]; | 433 uint8_t red = fStreamBuffer.get()[fCurrRLEByte++]; |
436 while (x < endX) { | 434 while (x < endX) { |
437 setRGBPixel(dst, dstRowBytes, dstInfo, x++, y, red, | 435 setRGBPixel(dst, dstRowBytes, dstInfo, x++, y, red, green, b
lue); |
438 green, blue); | |
439 } | 436 } |
440 } else { | 437 } else { |
441 // In RLE8 or RLE4, the second byte read gives the index in the | 438 // In RLE8 or RLE4, the second byte read gives the index in the |
442 // color table to look up the pixel color. | 439 // color table to look up the pixel color. |
443 // RLE8 has one color index that gets repeated | 440 // RLE8 has one color index that gets repeated |
444 // RLE4 has two color indexes in the upper and lower 4 bits of | 441 // RLE4 has two color indexes in the upper and lower 4 bits of |
445 // the bytes, which are alternated | 442 // the bytes, which are alternated |
446 uint8_t indices[2] = { task, task }; | 443 uint8_t indices[2] = { task, task }; |
447 if (4 == this->bitsPerPixel()) { | 444 if (4 == this->bitsPerPixel()) { |
448 indices[0] >>= 4; | 445 indices[0] >>= 4; |
449 indices[1] &= 0xf; | 446 indices[1] &= 0xf; |
450 } | 447 } |
451 | 448 |
452 // Set the indicated number of pixels | 449 // Set the indicated number of pixels |
453 for (int which = 0; x < endX; x++) { | 450 for (int which = 0; x < endX; x++) { |
454 setPixel(dst, dstRowBytes, dstInfo, x, y, | 451 setPixel(dst, dstRowBytes, dstInfo, x, y, indices[which]); |
455 indices[which]); | |
456 which = !which; | 452 which = !which; |
457 } | 453 } |
458 } | 454 } |
459 } | 455 } |
460 } | 456 } |
461 } | 457 } |
OLD | NEW |