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Side by Side Diff: gm/matrixconvolution.cpp

Issue 161733002: add peekPixels to SkCanvas and SkSurface (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 6 years, 10 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 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 "SkColor.h" 9 #include "SkColor.h"
10 #include "SkMatrixConvolutionImageFilter.h" 10 #include "SkMatrixConvolutionImageFilter.h"
11 #include "SkGradientShader.h" 11 #include "SkGradientShader.h"
12 12
13 namespace skiagm { 13 namespace skiagm {
14 14
15 class MatrixConvolutionGM : public GM { 15 class MatrixConvolutionGM : public GM {
16 public: 16 public:
17 MatrixConvolutionGM() : fInitialized(false) { 17 MatrixConvolutionGM() : fInitialized(false) {
18 this->setBGColor(0x00000000); 18 this->setBGColor(0x00000000);
19 } 19 }
20 20
21 protected: 21 protected:
22 virtual SkString onShortName() { 22 virtual SkString onShortName() {
23 return SkString("matrixconvolution"); 23 return SkString("matrixconvolution");
24 } 24 }
25 25
26 void make_bitmap() { 26 void make_bitmap() {
27 fBitmap.allocN32Pixels(80, 80); 27 fBitmap.allocN32Pixels(80, 80);
28 SkBitmapDevice device(fBitmap); 28 SkCanvas canvas(fBitmap);
29 SkCanvas canvas(&device);
30 canvas.clear(0x00000000); 29 canvas.clear(0x00000000);
31 SkPaint paint; 30 SkPaint paint;
32 paint.setAntiAlias(true); 31 paint.setAntiAlias(true);
33 paint.setColor(0xFFFFFFFF); 32 paint.setColor(0xFFFFFFFF);
34 paint.setTextSize(SkIntToScalar(180)); 33 paint.setTextSize(SkIntToScalar(180));
35 SkPoint pts[2] = { SkPoint::Make(0, 0), 34 SkPoint pts[2] = { SkPoint::Make(0, 0),
36 SkPoint::Make(0, SkIntToScalar(80)) }; 35 SkPoint::Make(0, SkIntToScalar(80)) };
37 SkColor colors[2] = { 0xFFFFFFFF, 0x40404040 }; 36 SkColor colors[2] = { 0xFFFFFFFF, 0x40404040 };
38 SkScalar pos[2] = { 0, SkIntToScalar(80) }; 37 SkScalar pos[2] = { 0, SkIntToScalar(80) };
39 paint.setShader(SkGradientShader::CreateLinear( 38 paint.setShader(SkGradientShader::CreateLinear(
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107 SkBitmap fBitmap; 106 SkBitmap fBitmap;
108 bool fInitialized; 107 bool fInitialized;
109 }; 108 };
110 109
111 ////////////////////////////////////////////////////////////////////////////// 110 //////////////////////////////////////////////////////////////////////////////
112 111
113 static GM* MyFactory(void*) { return new MatrixConvolutionGM; } 112 static GM* MyFactory(void*) { return new MatrixConvolutionGM; }
114 static GMRegistry reg(MyFactory); 113 static GMRegistry reg(MyFactory);
115 114
116 } 115 }
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