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Side by Side Diff: gm/resizeimagefilter.cpp

Issue 1009183002: swith over from SkPaint::FilterLevel to SkFilterQuality (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 9 months ago
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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 #include "SkBitmapDevice.h" 9 #include "SkBitmapDevice.h"
10 #include "SkBitmapSource.h" 10 #include "SkBitmapSource.h"
(...skipping 10 matching lines...) Expand all
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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