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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" |
11 #include "SkBitmapProcShader.h" | 11 #include "SkBitmapProcShader.h" |
12 #include "SkCanvas.h" | 12 #include "SkCanvas.h" |
13 #include "SkMatrixUtils.h" | 13 #include "SkMatrixUtils.h" |
14 #include "SkPicture.h" | 14 #include "SkPicture.h" |
15 #include "SkReadBuffer.h" | 15 #include "SkReadBuffer.h" |
16 | 16 |
17 #if SK_SUPPORT_GPU | 17 #if SK_SUPPORT_GPU |
18 #include "GrContext.h" | 18 #include "GrContext.h" |
19 #endif | 19 #endif |
20 | 20 |
21 SkPictureShader::SkPictureShader(SkPicture* picture, TileMode tmx, TileMode tmy) | 21 SkPictureShader::SkPictureShader(SkPicture* picture, TileMode tmx, TileMode tmy, |
22 : fPicture(SkRef(picture)) | 22 const SkMatrix* localMatrix) |
| 23 : INHERITED(localMatrix) |
| 24 , fPicture(SkRef(picture)) |
23 , fTmx(tmx) | 25 , fTmx(tmx) |
24 , fTmy(tmy) { } | 26 , fTmy(tmy) { } |
25 | 27 |
26 SkPictureShader::SkPictureShader(SkReadBuffer& buffer) | 28 SkPictureShader::SkPictureShader(SkReadBuffer& buffer) |
27 : INHERITED(buffer) { | 29 : INHERITED(buffer) { |
28 fTmx = static_cast<SkShader::TileMode>(buffer.read32()); | 30 fTmx = static_cast<SkShader::TileMode>(buffer.read32()); |
29 fTmy = static_cast<SkShader::TileMode>(buffer.read32()); | 31 fTmy = static_cast<SkShader::TileMode>(buffer.read32()); |
30 fPicture = SkPicture::CreateFromBuffer(buffer); | 32 fPicture = SkPicture::CreateFromBuffer(buffer); |
31 } | 33 } |
32 | 34 |
33 SkPictureShader::~SkPictureShader() { | 35 SkPictureShader::~SkPictureShader() { |
34 fPicture->unref(); | 36 fPicture->unref(); |
35 } | 37 } |
36 | 38 |
37 SkPictureShader* SkPictureShader::Create(SkPicture* picture, TileMode tmx, TileM
ode tmy) { | 39 SkPictureShader* SkPictureShader::Create(SkPicture* picture, TileMode tmx, TileM
ode tmy, |
| 40 const SkMatrix* localMatrix) { |
38 if (!picture || 0 == picture->width() || 0 == picture->height()) { | 41 if (!picture || 0 == picture->width() || 0 == picture->height()) { |
39 return NULL; | 42 return NULL; |
40 } | 43 } |
41 return SkNEW_ARGS(SkPictureShader, (picture, tmx, tmy)); | 44 return SkNEW_ARGS(SkPictureShader, (picture, tmx, tmy, localMatrix)); |
42 } | 45 } |
43 | 46 |
44 void SkPictureShader::flatten(SkWriteBuffer& buffer) const { | 47 void SkPictureShader::flatten(SkWriteBuffer& buffer) const { |
45 this->INHERITED::flatten(buffer); | 48 this->INHERITED::flatten(buffer); |
46 | 49 |
47 buffer.write32(fTmx); | 50 buffer.write32(fTmx); |
48 buffer.write32(fTmy); | 51 buffer.write32(fTmy); |
49 fPicture->flatten(buffer); | 52 fPicture->flatten(buffer); |
50 } | 53 } |
51 | 54 |
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72 if (tileSize.isEmpty()) { | 75 if (tileSize.isEmpty()) { |
73 return NULL; | 76 return NULL; |
74 } | 77 } |
75 | 78 |
76 // The actual scale, compensating for rounding. | 79 // The actual scale, compensating for rounding. |
77 SkSize tileScale = SkSize::Make(SkIntToScalar(tileSize.width()) / fPicture->
width(), | 80 SkSize tileScale = SkSize::Make(SkIntToScalar(tileSize.width()) / fPicture->
width(), |
78 SkIntToScalar(tileSize.height()) / fPicture-
>height()); | 81 SkIntToScalar(tileSize.height()) / fPicture-
>height()); |
79 | 82 |
80 SkAutoMutexAcquire ama(fCachedBitmapShaderMutex); | 83 SkAutoMutexAcquire ama(fCachedBitmapShaderMutex); |
81 | 84 |
| 85 // TODO(fmalita): remove fCachedLocalMatrix from this key after getLocalMatr
ix is removed. |
82 if (!fCachedBitmapShader || tileScale != fCachedTileScale || | 86 if (!fCachedBitmapShader || tileScale != fCachedTileScale || |
83 this->getLocalMatrix() != fCachedLocalMatrix) { | 87 this->getLocalMatrix() != fCachedLocalMatrix) { |
84 SkBitmap bm; | 88 SkBitmap bm; |
85 if (!bm.allocN32Pixels(tileSize.width(), tileSize.height())) { | 89 if (!bm.allocN32Pixels(tileSize.width(), tileSize.height())) { |
86 return NULL; | 90 return NULL; |
87 } | 91 } |
88 bm.eraseColor(SK_ColorTRANSPARENT); | 92 bm.eraseColor(SK_ColorTRANSPARENT); |
89 | 93 |
90 SkCanvas canvas(bm); | 94 SkCanvas canvas(bm); |
91 canvas.scale(tileScale.width(), tileScale.height()); | 95 canvas.scale(tileScale.width(), tileScale.height()); |
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189 | 193 |
190 #if SK_SUPPORT_GPU | 194 #if SK_SUPPORT_GPU |
191 GrEffectRef* SkPictureShader::asNewEffect(GrContext* context, const SkPaint& pai
nt) const { | 195 GrEffectRef* SkPictureShader::asNewEffect(GrContext* context, const SkPaint& pai
nt) const { |
192 SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(context->getMatrix
())); | 196 SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(context->getMatrix
())); |
193 if (!bitmapShader) { | 197 if (!bitmapShader) { |
194 return NULL; | 198 return NULL; |
195 } | 199 } |
196 return bitmapShader->asNewEffect(context, paint); | 200 return bitmapShader->asNewEffect(context, paint); |
197 } | 201 } |
198 #endif | 202 #endif |
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