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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "SkBitmapCache.h" | 8 #include "SkBitmapCache.h" |
9 #include "SkBitmapProcState.h" | 9 #include "SkBitmapProcState.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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181 SkBitmapScaler::RESIZE_BEST, | 181 SkBitmapScaler::RESIZE_BEST, |
182 roundedDestWidth, | 182 roundedDestWidth, |
183 roundedDestHeight, | 183 roundedDestHeight, |
184 SkResourceCache::GetAllocator())) { | 184 SkResourceCache::GetAllocator())) { |
185 // we failed to create fScaledBitmap, so just return and let | 185 // we failed to create fScaledBitmap, so just return and let |
186 // the scanline proc handle it. | 186 // the scanline proc handle it. |
187 return false; | 187 return false; |
188 | 188 |
189 } | 189 } |
190 | 190 |
191 SkASSERT(NULL != fScaledBitmap.getPixels()); | 191 SkASSERT(fScaledBitmap.getPixels()); |
192 fScaledBitmap.setImmutable(); | 192 fScaledBitmap.setImmutable(); |
193 SkBitmapCache::Add(fOrigBitmap, roundedDestWidth, roundedDestHeight,
fScaledBitmap); | 193 SkBitmapCache::Add(fOrigBitmap, roundedDestWidth, roundedDestHeight,
fScaledBitmap); |
194 } | 194 } |
195 | 195 |
196 SkASSERT(NULL != fScaledBitmap.getPixels()); | 196 SkASSERT(fScaledBitmap.getPixels()); |
197 fBitmap = &fScaledBitmap; | 197 fBitmap = &fScaledBitmap; |
198 | 198 |
199 // set the inv matrix type to translate-only; | 199 // set the inv matrix type to translate-only; |
200 fInvMatrix.setTranslate(fInvMatrix.getTranslateX() / fInvMatrix.getScale
X(), | 200 fInvMatrix.setTranslate(fInvMatrix.getTranslateX() / fInvMatrix.getScale
X(), |
201 fInvMatrix.getTranslateY() / fInvMatrix.getScale
Y()); | 201 fInvMatrix.getTranslateY() / fInvMatrix.getScale
Y()); |
202 | 202 |
203 #ifndef SK_IGNORE_PROPER_FRACTIONAL_SCALING | 203 #ifndef SK_IGNORE_PROPER_FRACTIONAL_SCALING |
204 // reintroduce any fractional scaling missed by our integral scale done
above. | 204 // reintroduce any fractional scaling missed by our integral scale done
above. |
205 | 205 |
206 float fractionalScaleX = roundedDestWidth/trueDestWidth; | 206 float fractionalScaleX = roundedDestWidth/trueDestWidth; |
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1006 } else { | 1006 } else { |
1007 size >>= 2; | 1007 size >>= 2; |
1008 } | 1008 } |
1009 | 1009 |
1010 if (fFilterLevel != SkPaint::kNone_FilterLevel) { | 1010 if (fFilterLevel != SkPaint::kNone_FilterLevel) { |
1011 size >>= 1; | 1011 size >>= 1; |
1012 } | 1012 } |
1013 | 1013 |
1014 return size; | 1014 return size; |
1015 } | 1015 } |
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