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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "SkPictureImageFilter.h" | 10 #include "SkPictureImageFilter.h" |
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29 SkPaint paint; | 29 SkPaint paint; |
30 paint.setAntiAlias(true); | 30 paint.setAntiAlias(true); |
31 sk_tool_utils::set_portable_typeface(&paint); | 31 sk_tool_utils::set_portable_typeface(&paint); |
32 paint.setColor(0xFFFFFFFF); | 32 paint.setColor(0xFFFFFFFF); |
33 paint.setTextSize(SkIntToScalar(96)); | 33 paint.setTextSize(SkIntToScalar(96)); |
34 const char* str = "e"; | 34 const char* str = "e"; |
35 canvas->drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70),
paint); | 35 canvas->drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70),
paint); |
36 fPicture.reset(recorder.endRecording()); | 36 fPicture.reset(recorder.endRecording()); |
37 } | 37 } |
38 | 38 |
39 virtual SkISize onISize() SK_OVERRIDE { return SkISize::Make(500, 150); } | 39 virtual SkISize onISize() SK_OVERRIDE { return SkISize::Make(400, 300); } |
40 | 40 |
41 virtual void onOnceBeforeDraw() SK_OVERRIDE { | 41 virtual void onOnceBeforeDraw() SK_OVERRIDE { |
42 this->makePicture(); | 42 this->makePicture(); |
43 } | 43 } |
44 | 44 |
45 static void fillRectFiltered(SkCanvas* canvas, const SkRect& clipRect, SkIma
geFilter* filter) { | 45 static void fillRectFiltered(SkCanvas* canvas, const SkRect& clipRect, SkIma
geFilter* filter) { |
46 SkPaint paint; | 46 SkPaint paint; |
47 paint.setImageFilter(filter); | 47 paint.setImageFilter(filter); |
48 canvas->save(); | 48 canvas->save(); |
49 canvas->clipRect(clipRect); | 49 canvas->clipRect(clipRect); |
50 canvas->drawPaint(paint); | 50 canvas->drawPaint(paint); |
51 canvas->restore(); | 51 canvas->restore(); |
52 } | 52 } |
53 | 53 |
54 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { | 54 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
55 canvas->clear(0x00000000); | 55 canvas->clear(0x00000000); |
56 { | 56 { |
57 SkRect srcRect = SkRect::MakeXYWH(20, 20, 30, 30); | 57 SkRect srcRect = SkRect::MakeXYWH(20, 20, 30, 30); |
58 SkRect emptyRect = SkRect::MakeXYWH(20, 20, 0, 0); | 58 SkRect emptyRect = SkRect::MakeXYWH(20, 20, 0, 0); |
59 SkRect bounds = SkRect::MakeXYWH(0, 0, 100, 100); | 59 SkRect bounds = SkRect::MakeXYWH(0, 0, 100, 100); |
60 SkAutoTUnref<SkImageFilter> pictureSource(SkPictureImageFilter::Crea
te(fPicture)); | 60 SkAutoTUnref<SkPictureImageFilter> pictureSource( |
61 SkAutoTUnref<SkImageFilter> pictureSourceSrcRect(SkPictureImageFilte
r::Create(fPicture, srcRect)); | 61 SkPictureImageFilter::Create(fPicture)); |
62 SkAutoTUnref<SkImageFilter> pictureSourceEmptyRect(SkPictureImageFil
ter::Create(fPicture, emptyRect)); | 62 SkAutoTUnref<SkPictureImageFilter> pictureSourceSrcRect( |
| 63 SkPictureImageFilter::Create(fPicture, srcRect)); |
| 64 SkAutoTUnref<SkPictureImageFilter> pictureSourceEmptyRect( |
| 65 SkPictureImageFilter::Create(fPicture, emptyRect)); |
| 66 SkAutoTUnref<SkPictureImageFilter> pictureSourceResampled( |
| 67 SkPictureImageFilter::CreateForLocalSpace(fPicture, fPicture->cu
llRect())); |
63 | 68 |
| 69 canvas->save(); |
64 // Draw the picture unscaled. | 70 // Draw the picture unscaled. |
65 fillRectFiltered(canvas, bounds, pictureSource); | 71 fillRectFiltered(canvas, bounds, pictureSource); |
66 canvas->translate(SkIntToScalar(100), 0); | 72 canvas->translate(SkIntToScalar(100), 0); |
67 | 73 |
68 // Draw an unscaled subset of the source picture. | 74 // Draw an unscaled subset of the source picture. |
69 fillRectFiltered(canvas, bounds, pictureSourceSrcRect); | 75 fillRectFiltered(canvas, bounds, pictureSourceSrcRect); |
70 canvas->translate(SkIntToScalar(100), 0); | 76 canvas->translate(SkIntToScalar(100), 0); |
71 | 77 |
72 // Draw the picture to an empty rect (should draw nothing). | 78 // Draw the picture to an empty rect (should draw nothing). |
73 fillRectFiltered(canvas, bounds, pictureSourceEmptyRect); | 79 fillRectFiltered(canvas, bounds, pictureSourceEmptyRect); |
74 canvas->translate(SkIntToScalar(100), 0); | 80 canvas->translate(SkIntToScalar(100), 0); |
| 81 |
| 82 canvas->restore(); |
| 83 |
| 84 // Draw the picture scaled |
| 85 canvas->translate(0, SkIntToScalar(100)); |
| 86 canvas->scale(200 / srcRect.width(), 200 / srcRect.height()); |
| 87 canvas->translate(-srcRect.fLeft, -srcRect.fTop); |
| 88 fillRectFiltered(canvas, srcRect, pictureSource); |
| 89 |
| 90 // Draw the picture scaled, but rasterized at original resolution |
| 91 canvas->translate(srcRect.width(), 0); |
| 92 fillRectFiltered(canvas, srcRect, pictureSourceResampled); |
75 } | 93 } |
76 } | 94 } |
77 | 95 |
78 // SkPictureImageFilter doesn't support serialization yet. | 96 // SkPictureImageFilter doesn't support serialization yet. |
79 virtual uint32_t onGetFlags() const SK_OVERRIDE { | 97 virtual uint32_t onGetFlags() const SK_OVERRIDE { |
80 return kSkipPicture_Flag | | 98 return kSkipPicture_Flag | |
81 kSkipPipe_Flag | | 99 kSkipPipe_Flag | |
82 kSkipPipeCrossProcess_Flag | | 100 kSkipPipeCrossProcess_Flag | |
83 kSkipTiled_Flag | | 101 kSkipTiled_Flag | |
84 kSkipScaledReplay_Flag; | 102 kSkipScaledReplay_Flag; |
85 } | 103 } |
86 | 104 |
87 private: | 105 private: |
88 SkAutoTUnref<SkPicture> fPicture; | 106 SkAutoTUnref<SkPicture> fPicture; |
89 typedef GM INHERITED; | 107 typedef GM INHERITED; |
90 }; | 108 }; |
91 | 109 |
92 /////////////////////////////////////////////////////////////////////////////// | 110 /////////////////////////////////////////////////////////////////////////////// |
93 | 111 |
94 DEF_GM( return new PictureImageFilterGM; ) | 112 DEF_GM( return new PictureImageFilterGM; ) |
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