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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "SkMipMap.h" | 8 #include "SkMipMap.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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226 proc_3_3 = downsample_3_3<ColorTypeFilter_8>; | 226 proc_3_3 = downsample_3_3<ColorTypeFilter_8>; |
227 break; | 227 break; |
228 default: | 228 default: |
229 // TODO: We could build miplevels for kIndex8 if the levels were in
8888. | 229 // TODO: We could build miplevels for kIndex8 if the levels were in
8888. |
230 // Means using more ram, but the quality would be fine. | 230 // Means using more ram, but the quality would be fine. |
231 return nullptr; | 231 return nullptr; |
232 } | 232 } |
233 | 233 |
234 // whip through our loop to compute the exact size needed | 234 // whip through our loop to compute the exact size needed |
235 size_t size = 0; | 235 size_t size = 0; |
236 int countLevels = 0; | 236 int countLevels = 0; |
237 { | 237 { |
238 int width = src.width(); | 238 int width = src.width(); |
239 int height = src.height(); | 239 int height = src.height(); |
240 for (;;) { | 240 for (;;) { |
241 width >>= 1; | 241 width >>= 1; |
242 height >>= 1; | 242 height >>= 1; |
243 if (0 == width || 0 == height) { | 243 if (0 == width || 0 == height) { |
244 break; | 244 break; |
245 } | 245 } |
246 size += SkColorTypeMinRowBytes(ct, width) * height; | 246 size += SkColorTypeMinRowBytes(ct, width) * height; |
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435 return false; | 435 return false; |
436 } | 436 } |
437 if (index > fCount - 1) { | 437 if (index > fCount - 1) { |
438 return false; | 438 return false; |
439 } | 439 } |
440 if (levelPtr) { | 440 if (levelPtr) { |
441 *levelPtr = fLevels[index]; | 441 *levelPtr = fLevels[index]; |
442 } | 442 } |
443 return true; | 443 return true; |
444 } | 444 } |
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