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1 /* | 1 /* |
2 * Copyright 2013 The Android Open Source Project | 2 * Copyright 2013 The Android Open Source Project |
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 "SkBicubicImageFilter.h" | 8 #include "SkBicubicImageFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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92 | 92 |
93 SkAutoLockPixels alp(src); | 93 SkAutoLockPixels alp(src); |
94 if (!src.getPixels()) { | 94 if (!src.getPixels()) { |
95 return false; | 95 return false; |
96 } | 96 } |
97 | 97 |
98 SkRect dstRect = SkRect::MakeWH(SkScalarMul(SkIntToScalar(src.width()), fSca
le.fWidth), | 98 SkRect dstRect = SkRect::MakeWH(SkScalarMul(SkIntToScalar(src.width()), fSca
le.fWidth), |
99 SkScalarMul(SkIntToScalar(src.height()), fSc
ale.fHeight)); | 99 SkScalarMul(SkIntToScalar(src.height()), fSc
ale.fHeight)); |
100 SkIRect dstIRect; | 100 SkIRect dstIRect; |
101 dstRect.roundOut(&dstIRect); | 101 dstRect.roundOut(&dstIRect); |
| 102 if (dstIRect.isEmpty()) { |
| 103 return false; |
| 104 } |
102 result->setConfig(src.config(), dstIRect.width(), dstIRect.height()); | 105 result->setConfig(src.config(), dstIRect.width(), dstIRect.height()); |
103 result->allocPixels(); | 106 result->allocPixels(); |
104 if (!result->getPixels()) { | 107 if (!result->getPixels()) { |
105 return false; | 108 return false; |
106 } | 109 } |
107 | 110 |
108 SkRect srcRect; | 111 SkRect srcRect; |
109 src.getBounds(&srcRect); | 112 src.getBounds(&srcRect); |
110 SkMatrix inverse; | 113 SkMatrix inverse; |
111 inverse.setRectToRect(dstRect, srcRect, SkMatrix::kFill_ScaleToFit); | 114 inverse.setRectToRect(dstRect, srcRect, SkMatrix::kFill_ScaleToFit); |
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366 GrPaint paint; | 369 GrPaint paint; |
367 paint.addColorEffect(GrBicubicEffect::Create(srcTexture, fCoefficients))->un
ref(); | 370 paint.addColorEffect(GrBicubicEffect::Create(srcTexture, fCoefficients))->un
ref(); |
368 SkRect srcRect; | 371 SkRect srcRect; |
369 srcBM.getBounds(&srcRect); | 372 srcBM.getBounds(&srcRect); |
370 context->drawRectToRect(paint, dstRect, srcRect); | 373 context->drawRectToRect(paint, dstRect, srcRect); |
371 return SkImageFilterUtils::WrapTexture(dst, desc.fWidth, desc.fHeight, resul
t); | 374 return SkImageFilterUtils::WrapTexture(dst, desc.fWidth, desc.fHeight, resul
t); |
372 } | 375 } |
373 #endif | 376 #endif |
374 | 377 |
375 /////////////////////////////////////////////////////////////////////////////// | 378 /////////////////////////////////////////////////////////////////////////////// |
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