| OLD | NEW |
| 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 #include "SkBitmapDevice.h" | 9 #include "SkBitmapDevice.h" |
| 10 #include "SkBitmapSource.h" | 10 #include "SkBitmapSource.h" |
| (...skipping 10 matching lines...) Expand all Loading... |
| 21 } | 21 } |
| 22 | 22 |
| 23 protected: | 23 protected: |
| 24 virtual SkString onShortName() { | 24 virtual SkString onShortName() { |
| 25 return SkString("resizeimagefilter"); | 25 return SkString("resizeimagefilter"); |
| 26 } | 26 } |
| 27 | 27 |
| 28 void draw(SkCanvas* canvas, | 28 void draw(SkCanvas* canvas, |
| 29 const SkRect& rect, | 29 const SkRect& rect, |
| 30 const SkSize& deviceSize, | 30 const SkSize& deviceSize, |
| 31 SkPaint::FilterLevel filterLevel, | 31 SkFilterQuality filterQuality, |
| 32 SkImageFilter* input = NULL) { | 32 SkImageFilter* input = NULL) { |
| 33 SkRect dstRect; | 33 SkRect dstRect; |
| 34 canvas->getTotalMatrix().mapRect(&dstRect, rect); | 34 canvas->getTotalMatrix().mapRect(&dstRect, rect); |
| 35 canvas->save(); | 35 canvas->save(); |
| 36 SkScalar deviceScaleX = SkScalarDiv(deviceSize.width(), dstRect.width())
; | 36 SkScalar deviceScaleX = SkScalarDiv(deviceSize.width(), dstRect.width())
; |
| 37 SkScalar deviceScaleY = SkScalarDiv(deviceSize.height(), dstRect.height(
)); | 37 SkScalar deviceScaleY = SkScalarDiv(deviceSize.height(), dstRect.height(
)); |
| 38 canvas->translate(rect.x(), rect.y()); | 38 canvas->translate(rect.x(), rect.y()); |
| 39 canvas->scale(deviceScaleX, deviceScaleY); | 39 canvas->scale(deviceScaleX, deviceScaleY); |
| 40 canvas->translate(-rect.x(), -rect.y()); | 40 canvas->translate(-rect.x(), -rect.y()); |
| 41 SkMatrix matrix; | 41 SkMatrix matrix; |
| 42 matrix.setScale(SkScalarInvert(deviceScaleX), | 42 matrix.setScale(SkScalarInvert(deviceScaleX), |
| 43 SkScalarInvert(deviceScaleY)); | 43 SkScalarInvert(deviceScaleY)); |
| 44 SkAutoTUnref<SkImageFilter> imageFilter( | 44 SkAutoTUnref<SkImageFilter> imageFilter( |
| 45 SkMatrixImageFilter::Create(matrix, filterLevel, input)); | 45 SkMatrixImageFilter::Create(matrix, filterQuality, input)); |
| 46 SkPaint filteredPaint; | 46 SkPaint filteredPaint; |
| 47 filteredPaint.setImageFilter(imageFilter.get()); | 47 filteredPaint.setImageFilter(imageFilter.get()); |
| 48 canvas->saveLayer(&rect, &filteredPaint); | 48 canvas->saveLayer(&rect, &filteredPaint); |
| 49 SkPaint paint; | 49 SkPaint paint; |
| 50 paint.setColor(0xFF00FF00); | 50 paint.setColor(0xFF00FF00); |
| 51 SkRect ovalRect = rect; | 51 SkRect ovalRect = rect; |
| 52 ovalRect.inset(SkIntToScalar(4), SkIntToScalar(4)); | 52 ovalRect.inset(SkIntToScalar(4), SkIntToScalar(4)); |
| 53 canvas->drawOval(ovalRect, paint); | 53 canvas->drawOval(ovalRect, paint); |
| 54 canvas->restore(); // for saveLayer | 54 canvas->restore(); // for saveLayer |
| 55 canvas->restore(); | 55 canvas->restore(); |
| 56 } | 56 } |
| 57 | 57 |
| 58 virtual SkISize onISize() { | 58 virtual SkISize onISize() { |
| 59 return SkISize::Make(520, 100); | 59 return SkISize::Make(520, 100); |
| 60 } | 60 } |
| 61 | 61 |
| 62 virtual void onDraw(SkCanvas* canvas) { | 62 virtual void onDraw(SkCanvas* canvas) { |
| 63 canvas->clear(0x00000000); | 63 canvas->clear(0x00000000); |
| 64 | 64 |
| 65 SkRect srcRect = SkRect::MakeWH(96, 96); | 65 SkRect srcRect = SkRect::MakeWH(96, 96); |
| 66 | 66 |
| 67 SkSize deviceSize = SkSize::Make(16, 16); | 67 SkSize deviceSize = SkSize::Make(16, 16); |
| 68 draw(canvas, | 68 draw(canvas, |
| 69 srcRect, | 69 srcRect, |
| 70 deviceSize, | 70 deviceSize, |
| 71 SkPaint::kNone_FilterLevel); | 71 kNone_SkFilterQuality); |
| 72 | 72 |
| 73 canvas->translate(srcRect.width() + SkIntToScalar(10), 0); | 73 canvas->translate(srcRect.width() + SkIntToScalar(10), 0); |
| 74 draw(canvas, | 74 draw(canvas, |
| 75 srcRect, | 75 srcRect, |
| 76 deviceSize, | 76 deviceSize, |
| 77 SkPaint::kLow_FilterLevel); | 77 kLow_SkFilterQuality); |
| 78 | 78 |
| 79 canvas->translate(srcRect.width() + SkIntToScalar(10), 0); | 79 canvas->translate(srcRect.width() + SkIntToScalar(10), 0); |
| 80 draw(canvas, | 80 draw(canvas, |
| 81 srcRect, | 81 srcRect, |
| 82 deviceSize, | 82 deviceSize, |
| 83 SkPaint::kMedium_FilterLevel); | 83 kMedium_SkFilterQuality); |
| 84 | 84 |
| 85 canvas->translate(srcRect.width() + SkIntToScalar(10), 0); | 85 canvas->translate(srcRect.width() + SkIntToScalar(10), 0); |
| 86 draw(canvas, | 86 draw(canvas, |
| 87 srcRect, | 87 srcRect, |
| 88 deviceSize, | 88 deviceSize, |
| 89 SkPaint::kHigh_FilterLevel); | 89 kHigh_SkFilterQuality); |
| 90 | 90 |
| 91 SkBitmap bitmap; | 91 SkBitmap bitmap; |
| 92 bitmap.allocN32Pixels(16, 16); | 92 bitmap.allocN32Pixels(16, 16); |
| 93 bitmap.eraseARGB(0x00, 0x00, 0x00, 0x00); | 93 bitmap.eraseARGB(0x00, 0x00, 0x00, 0x00); |
| 94 { | 94 { |
| 95 SkBitmapDevice bitmapDevice(bitmap); | 95 SkBitmapDevice bitmapDevice(bitmap); |
| 96 SkCanvas bitmapCanvas(&bitmapDevice); | 96 SkCanvas bitmapCanvas(&bitmapDevice); |
| 97 SkPaint paint; | 97 SkPaint paint; |
| 98 paint.setColor(0xFF00FF00); | 98 paint.setColor(0xFF00FF00); |
| 99 SkRect ovalRect = SkRect::MakeWH(16, 16); | 99 SkRect ovalRect = SkRect::MakeWH(16, 16); |
| 100 ovalRect.inset(SkScalarDiv(2.0f, 3.0f), SkScalarDiv(2.0f, 3.0f)); | 100 ovalRect.inset(SkScalarDiv(2.0f, 3.0f), SkScalarDiv(2.0f, 3.0f)); |
| 101 bitmapCanvas.drawOval(ovalRect, paint); | 101 bitmapCanvas.drawOval(ovalRect, paint); |
| 102 } | 102 } |
| 103 SkRect inRect = SkRect::MakeXYWH(-4, -4, 20, 20); | 103 SkRect inRect = SkRect::MakeXYWH(-4, -4, 20, 20); |
| 104 SkRect outRect = SkRect::MakeXYWH(-24, -24, 120, 120); | 104 SkRect outRect = SkRect::MakeXYWH(-24, -24, 120, 120); |
| 105 SkAutoTUnref<SkBitmapSource> source(SkBitmapSource::Create(bitmap, inRec
t, outRect)); | 105 SkAutoTUnref<SkBitmapSource> source(SkBitmapSource::Create(bitmap, inRec
t, outRect)); |
| 106 canvas->translate(srcRect.width() + SkIntToScalar(10), 0); | 106 canvas->translate(srcRect.width() + SkIntToScalar(10), 0); |
| 107 draw(canvas, | 107 draw(canvas, |
| 108 srcRect, | 108 srcRect, |
| 109 deviceSize, | 109 deviceSize, |
| 110 SkPaint::kHigh_FilterLevel, | 110 kHigh_SkFilterQuality, |
| 111 source.get()); | 111 source.get()); |
| 112 } | 112 } |
| 113 | 113 |
| 114 private: | 114 private: |
| 115 typedef GM INHERITED; | 115 typedef GM INHERITED; |
| 116 }; | 116 }; |
| 117 | 117 |
| 118 ////////////////////////////////////////////////////////////////////////////// | 118 ////////////////////////////////////////////////////////////////////////////// |
| 119 | 119 |
| 120 static GM* MyFactory(void*) { return new ResizeGM; } | 120 static GM* MyFactory(void*) { return new ResizeGM; } |
| 121 static GMRegistry reg(MyFactory); | 121 static GMRegistry reg(MyFactory); |
| 122 | 122 |
| 123 } | 123 } |
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