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Side by Side Diff: samplecode/SampleBlur.cpp

Issue 1316233002: Style Change: NULL->nullptr (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: 2015-08-27 (Thursday) 10:25:06 EDT Created 5 years, 3 months ago
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1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 #include "SampleCode.h" 8 #include "SampleCode.h"
9 #include "SkBlurMask.h" 9 #include "SkBlurMask.h"
10 #include "SkBlurMaskFilter.h" 10 #include "SkBlurMaskFilter.h"
11 #include "SkCanvas.h" 11 #include "SkCanvas.h"
12 #include "SkColorPriv.h" 12 #include "SkColorPriv.h"
13 #include "SkGradientShader.h" 13 #include "SkGradientShader.h"
14 #include "SkUtils.h" 14 #include "SkUtils.h"
15 #include "SkView.h" 15 #include "SkView.h"
16 16
17 static SkBitmap make_bitmap() { 17 static SkBitmap make_bitmap() {
18 SkPMColor c[256]; 18 SkPMColor c[256];
19 for (int i = 0; i < 256; i++) { 19 for (int i = 0; i < 256; i++) {
20 c[i] = SkPackARGB32(255 - i, 0, 0, 0); 20 c[i] = SkPackARGB32(255 - i, 0, 0, 0);
21 } 21 }
22 22
23 SkBitmap bm; 23 SkBitmap bm;
24 SkColorTable* ctable = new SkColorTable(c, 256); 24 SkColorTable* ctable = new SkColorTable(c, 256);
25 25
26 bm.allocPixels(SkImageInfo::Make(256, 256, kIndex_8_SkColorType, 26 bm.allocPixels(SkImageInfo::Make(256, 256, kIndex_8_SkColorType,
27 kPremul_SkAlphaType), 27 kPremul_SkAlphaType),
28 NULL, ctable); 28 nullptr, ctable);
29 ctable->unref(); 29 ctable->unref();
30 30
31 bm.lockPixels(); 31 bm.lockPixels();
32 const float cx = bm.width() * 0.5f; 32 const float cx = bm.width() * 0.5f;
33 const float cy = bm.height() * 0.5f; 33 const float cy = bm.height() * 0.5f;
34 for (int y = 0; y < bm.height(); y++) { 34 for (int y = 0; y < bm.height(); y++) {
35 float dy = y - cy; 35 float dy = y - cy;
36 dy *= dy; 36 dy *= dy;
37 uint8_t* p = bm.getAddr8(0, y); 37 uint8_t* p = bm.getAddr8(0, y);
38 for (int x = 0; x < 256; x++) { 38 for (int x = 0; x < 256; x++) {
(...skipping 58 matching lines...) Expand 10 before | Expand all | Expand 10 after
97 for (int j = 0; j < 2; j++) { 97 for (int j = 0; j < 2; j++) {
98 canvas->save(); 98 canvas->save();
99 paint.setColor(SK_ColorBLUE); 99 paint.setColor(SK_ColorBLUE);
100 for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) { 100 for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
101 if (gRecs[i].fStyle != NONE) { 101 if (gRecs[i].fStyle != NONE) {
102 SkMaskFilter* mf = SkBlurMaskFilter::Create(gRecs[i].fStyle, 102 SkMaskFilter* mf = SkBlurMaskFilter::Create(gRecs[i].fStyle,
103 SkBlurMask::ConvertRadiusToSigma(SkIntToSc alar(20)), 103 SkBlurMask::ConvertRadiusToSigma(SkIntToSc alar(20)),
104 flags); 104 flags);
105 paint.setMaskFilter(mf)->unref(); 105 paint.setMaskFilter(mf)->unref();
106 } else { 106 } else {
107 paint.setMaskFilter(NULL); 107 paint.setMaskFilter(nullptr);
108 } 108 }
109 canvas->drawCircle(200 + gRecs[i].fCx*100.f, 109 canvas->drawCircle(200 + gRecs[i].fCx*100.f,
110 200 + gRecs[i].fCy*100.f, 50, paint); 110 200 + gRecs[i].fCy*100.f, 50, paint);
111 } 111 }
112 // draw text 112 // draw text
113 { 113 {
114 SkMaskFilter* mf = SkBlurMaskFilter::Create(kNormal_SkBlurStyle, 114 SkMaskFilter* mf = SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
115 SkBlurMask::ConvertRadiusToSigma(SkIntToSc alar(4)), 115 SkBlurMask::ConvertRadiusToSigma(SkIntToSc alar(4)),
116 flags); 116 flags);
117 paint.setMaskFilter(mf)->unref(); 117 paint.setMaskFilter(mf)->unref();
118 SkScalar x = SkIntToScalar(70); 118 SkScalar x = SkIntToScalar(70);
119 SkScalar y = SkIntToScalar(400); 119 SkScalar y = SkIntToScalar(400);
120 paint.setColor(SK_ColorBLACK); 120 paint.setColor(SK_ColorBLACK);
121 canvas->drawText("Hamburgefons Style", 18, x, y, paint); 121 canvas->drawText("Hamburgefons Style", 18, x, y, paint);
122 canvas->drawText("Hamburgefons Style", 18, x, y + SkIntToScalar( 50), paint); 122 canvas->drawText("Hamburgefons Style", 18, x, y + SkIntToScalar( 50), paint);
123 paint.setMaskFilter(NULL); 123 paint.setMaskFilter(nullptr);
124 paint.setColor(SK_ColorWHITE); 124 paint.setColor(SK_ColorWHITE);
125 x -= SkIntToScalar(2); 125 x -= SkIntToScalar(2);
126 y -= SkIntToScalar(2); 126 y -= SkIntToScalar(2);
127 canvas->drawText("Hamburgefons Style", 18, x, y, paint); 127 canvas->drawText("Hamburgefons Style", 18, x, y, paint);
128 } 128 }
129 canvas->restore(); 129 canvas->restore();
130 flags = SkBlurMaskFilter::kHighQuality_BlurFlag; 130 flags = SkBlurMaskFilter::kHighQuality_BlurFlag;
131 canvas->translate(350, 0); 131 canvas->translate(350, 0);
132 } 132 }
133 } 133 }
134 134
135 private: 135 private:
136 typedef SkView INHERITED; 136 typedef SkView INHERITED;
137 }; 137 };
138 138
139 ////////////////////////////////////////////////////////////////////////////// 139 //////////////////////////////////////////////////////////////////////////////
140 140
141 static SkView* MyFactory() { return new BlurView; } 141 static SkView* MyFactory() { return new BlurView; }
142 static SkViewRegister reg(MyFactory); 142 static SkViewRegister reg(MyFactory);
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