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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 "gm.h" | 8 #include "gm.h" |
9 | 9 |
10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
11 #include "SkPaint.h" | 11 #include "SkPaint.h" |
12 #include "SkPicture.h" | 12 #include "SkPicture.h" |
13 #include "SkPictureRecorder.h" | 13 #include "SkPictureRecorder.h" |
14 #include "SkShader.h" | 14 #include "SkShader.h" |
15 | 15 |
16 namespace skiagm { | |
17 | |
18 static struct { | 16 static struct { |
19 SkShader::TileMode tmx; | 17 SkShader::TileMode tmx; |
20 SkShader::TileMode tmy; | 18 SkShader::TileMode tmy; |
21 } kTileConfigs[] = { | 19 } kTileConfigs[] = { |
22 { SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode }, | 20 { SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode }, |
23 { SkShader::kRepeat_TileMode, SkShader::kClamp_TileMode }, | 21 { SkShader::kRepeat_TileMode, SkShader::kClamp_TileMode }, |
24 { SkShader::kMirror_TileMode, SkShader::kRepeat_TileMode }, | 22 { SkShader::kMirror_TileMode, SkShader::kRepeat_TileMode }, |
25 }; | 23 }; |
26 | 24 |
27 class PictureShaderGM : public GM { | 25 class PictureShaderGM : public skiagm::GM { |
28 public: | 26 public: |
29 | |
30 PictureShaderGM(SkScalar tileSize, SkScalar sceneSize) | 27 PictureShaderGM(SkScalar tileSize, SkScalar sceneSize) |
31 : fTileSize(tileSize) | 28 : fTileSize(tileSize) |
32 , fSceneSize(sceneSize) { | 29 , fSceneSize(sceneSize) { |
33 | 30 |
34 // Build the picture. | 31 // Build the picture. |
35 SkPictureRecorder recorder; | 32 SkPictureRecorder recorder; |
36 SkCanvas* pictureCanvas = recorder.beginRecording(SkScalarRoundToInt(til
eSize), | 33 SkCanvas* pictureCanvas = recorder.beginRecording(SkScalarRoundToInt(til
eSize), |
37 SkScalarRoundToInt(til
eSize), | 34 SkScalarRoundToInt(til
eSize), |
38 NULL, 0); | 35 NULL, 0); |
39 this->drawTile(pictureCanvas); | 36 this->drawTile(pictureCanvas); |
40 SkAutoTUnref<SkPicture> p(recorder.endRecording()); | 37 fPicture.reset(recorder.endRecording()); |
41 | 38 |
42 // Build a reference bitmap. | 39 // Build a reference bitmap. |
43 SkBitmap bm; | 40 fBitmap.allocN32Pixels(SkScalarRoundToInt(tileSize), SkScalarRoundToInt(
tileSize)); |
44 bm.allocN32Pixels(SkScalarRoundToInt(tileSize), SkScalarRoundToInt(tileS
ize)); | 41 fBitmap.eraseColor(SK_ColorTRANSPARENT); |
45 bm.eraseColor(SK_ColorTRANSPARENT); | 42 SkCanvas bitmapCanvas(fBitmap); |
46 SkCanvas bitmapCanvas(bm); | |
47 this->drawTile(&bitmapCanvas); | 43 this->drawTile(&bitmapCanvas); |
48 | |
49 for (unsigned i = 0; i < SK_ARRAY_COUNT(kTileConfigs); ++i) { | |
50 fPictureShaders[i].reset(SkShader::CreatePictureShader(p, | |
51 kTileConfigs[
i].tmx, | |
52 kTileConfigs[
i].tmy)); | |
53 | |
54 fBitmapShaders[i].reset(SkShader::CreateBitmapShader(bm, | |
55 kTileConfigs[i]
.tmx, | |
56 kTileConfigs[i]
.tmy)); | |
57 } | |
58 } | 44 } |
59 | 45 |
60 protected: | 46 protected: |
61 virtual uint32_t onGetFlags() const SK_OVERRIDE { | 47 virtual uint32_t onGetFlags() const SK_OVERRIDE { |
62 return kSkipTiled_Flag; | 48 return kSkipTiled_Flag; |
63 } | 49 } |
64 | 50 |
65 virtual SkString onShortName() SK_OVERRIDE { | 51 virtual SkString onShortName() SK_OVERRIDE { |
66 return SkString("pictureshader"); | 52 return SkString("pictureshader"); |
67 } | 53 } |
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138 | 124 |
139 SkPaint paint; | 125 SkPaint paint; |
140 paint.setStyle(SkPaint::kFill_Style); | 126 paint.setStyle(SkPaint::kFill_Style); |
141 paint.setColor(SK_ColorLTGRAY); | 127 paint.setColor(SK_ColorLTGRAY); |
142 | 128 |
143 canvas->save(); | 129 canvas->save(); |
144 canvas->concat(matrix); | 130 canvas->concat(matrix); |
145 canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint); | 131 canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint); |
146 canvas->drawRect(SkRect::MakeXYWH(fSceneSize * 1.1f, 0, fSceneSize, fSce
neSize), paint); | 132 canvas->drawRect(SkRect::MakeXYWH(fSceneSize * 1.1f, 0, fSceneSize, fSce
neSize), paint); |
147 | 133 |
148 fPictureShaders[tileMode]->setLocalMatrix(localMatrix); | 134 SkAutoTUnref<SkShader> pictureShader(SkShader::CreatePictureShader( |
149 paint.setShader(fPictureShaders[tileMode].get()); | 135 fPicture, |
| 136 kTileConfigs[tileMode].tmx, |
| 137 kTileConfigs[tileMode].tmy, |
| 138 &localMatrix)); |
| 139 paint.setShader(pictureShader.get()); |
150 canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint); | 140 canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint); |
151 | 141 |
152 canvas->translate(fSceneSize * 1.1f, 0); | 142 canvas->translate(fSceneSize * 1.1f, 0); |
153 | 143 |
154 fBitmapShaders[tileMode]->setLocalMatrix(localMatrix); | 144 SkAutoTUnref<SkShader> bitmapShader(SkShader::CreateBitmapShader( |
155 paint.setShader(fBitmapShaders[tileMode].get()); | 145 fBitmap, |
| 146 kTileConfigs[tileMode].tmx, |
| 147 kTileConfigs[tileMode].tmy, |
| 148 &localMatrix)); |
| 149 paint.setShader(bitmapShader.get()); |
156 canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint); | 150 canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint); |
157 | 151 |
158 canvas->restore(); | 152 canvas->restore(); |
159 } | 153 } |
160 | 154 |
161 SkScalar fTileSize; | 155 SkScalar fTileSize; |
162 SkScalar fSceneSize; | 156 SkScalar fSceneSize; |
163 | 157 |
164 SkAutoTUnref<SkShader> fPictureShaders[SK_ARRAY_COUNT(kTileConfigs)]; | 158 SkAutoTUnref<SkPicture> fPicture; |
165 SkAutoTUnref<SkShader> fBitmapShaders[SK_ARRAY_COUNT(kTileConfigs)]; | 159 SkBitmap fBitmap; |
166 | 160 |
167 typedef GM INHERITED; | 161 typedef GM INHERITED; |
168 }; | 162 }; |
169 | 163 |
170 DEF_GM( return SkNEW_ARGS(PictureShaderGM, (50, 100)); ) | 164 DEF_GM( return SkNEW_ARGS(PictureShaderGM, (50, 100)); ) |
171 } | |
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