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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "SkPictureShader.h" | 8 #include "SkPictureShader.h" |
9 | 9 |
10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
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145 SkASSERT(fPicture && !fPicture->cullRect().isEmpty()); | 145 SkASSERT(fPicture && !fPicture->cullRect().isEmpty()); |
146 | 146 |
147 SkMatrix m; | 147 SkMatrix m; |
148 m.setConcat(matrix, this->getLocalMatrix()); | 148 m.setConcat(matrix, this->getLocalMatrix()); |
149 if (localM) { | 149 if (localM) { |
150 m.preConcat(*localM); | 150 m.preConcat(*localM); |
151 } | 151 } |
152 | 152 |
153 // Use a rotation-invariant scale | 153 // Use a rotation-invariant scale |
154 SkPoint scale; | 154 SkPoint scale; |
| 155 // |
| 156 // TODO: replace this with decomposeScale() -- but beware LayoutTest rebasel
ines! |
| 157 // |
155 if (!SkDecomposeUpper2x2(m, NULL, &scale, NULL)) { | 158 if (!SkDecomposeUpper2x2(m, NULL, &scale, NULL)) { |
156 // Decomposition failed, use an approximation. | 159 // Decomposition failed, use an approximation. |
157 scale.set(SkScalarSqrt(m.getScaleX() * m.getScaleX() + m.getSkewX() * m.
getSkewX()), | 160 scale.set(SkScalarSqrt(m.getScaleX() * m.getScaleX() + m.getSkewX() * m.
getSkewX()), |
158 SkScalarSqrt(m.getScaleY() * m.getScaleY() + m.getSkewY() * m.
getSkewY())); | 161 SkScalarSqrt(m.getScaleY() * m.getScaleY() + m.getSkewY() * m.
getSkewY())); |
159 } | 162 } |
160 SkSize scaledSize = SkSize::Make(SkScalarAbs(scale.x() * fTile.width()), | 163 SkSize scaledSize = SkSize::Make(SkScalarAbs(scale.x() * fTile.width()), |
161 SkScalarAbs(scale.y() * fTile.height())); | 164 SkScalarAbs(scale.y() * fTile.height())); |
162 | 165 |
163 // Clamp the tile size to about 4M pixels | 166 // Clamp the tile size to about 4M pixels |
164 static const SkScalar kMaxTileArea = 2048 * 2048; | 167 static const SkScalar kMaxTileArea = 2048 * 2048; |
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303 return bitmapShader->asFragmentProcessor(context, paint, viewM, NULL, paintC
olor, fp); | 306 return bitmapShader->asFragmentProcessor(context, paint, viewM, NULL, paintC
olor, fp); |
304 } | 307 } |
305 #else | 308 #else |
306 bool SkPictureShader::asFragmentProcessor(GrContext*, const SkPaint&, const SkMa
trix&, | 309 bool SkPictureShader::asFragmentProcessor(GrContext*, const SkPaint&, const SkMa
trix&, |
307 const SkMatrix*, GrColor*, | 310 const SkMatrix*, GrColor*, |
308 GrFragmentProcessor**) const { | 311 GrFragmentProcessor**) const { |
309 SkDEBUGFAIL("Should not call in GPU-less build"); | 312 SkDEBUGFAIL("Should not call in GPU-less build"); |
310 return false; | 313 return false; |
311 } | 314 } |
312 #endif | 315 #endif |
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