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Side by Side Diff: samplecode/SampleGradients.cpp

Issue 1114243005: remove (redundant) twopointradial shader (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 7 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 "SkView.h" 9 #include "SkView.h"
10 #include "SkCanvas.h" 10 #include "SkCanvas.h"
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75 data.fPos, data.fCount, tm); 75 data.fPos, data.fCount, tm);
76 } 76 }
77 77
78 static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, SkShader: :TileMode tm) { 78 static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, SkShader: :TileMode tm) {
79 SkPoint center; 79 SkPoint center;
80 center.set(SkScalarAve(pts[0].fX, pts[1].fX), 80 center.set(SkScalarAve(pts[0].fX, pts[1].fX),
81 SkScalarAve(pts[0].fY, pts[1].fY)); 81 SkScalarAve(pts[0].fY, pts[1].fY));
82 return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, dat a.fPos, data.fCount); 82 return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, dat a.fPos, data.fCount);
83 } 83 }
84 84
85 static SkShader* Make2Radial(const SkPoint pts[2], const GradData& data, SkShade r::TileMode tm) { 85 static SkShader* Make2Conical(const SkPoint pts[2], const GradData& data, SkShad er::TileMode tm) {
86 SkPoint center0, center1; 86 SkPoint center0, center1;
87 center0.set(SkScalarAve(pts[0].fX, pts[1].fX), 87 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
88 SkScalarAve(pts[0].fY, pts[1].fY)); 88 SkScalarAve(pts[0].fY, pts[1].fY));
89 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), 89 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
90 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); 90 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
91 return SkGradientShader::CreateTwoPointRadial( 91 return SkGradientShader::CreateTwoPointConical(
92 center1, (pts[1].fX - pts[0].fX) / 7, 92 center1, (pts[1].fX - pts[0].fX) / 7,
93 center0, (pts[1].fX - pts[0].fX) / 2, 93 center0, (pts[1].fX - pts[0].fX) / 2,
94 data.fColors, data.fPos, data.fCount, tm); 94 data.fColors, data.fPos, data.fCount, tm);
95 } 95 }
96 96
97 static SkShader* Make2RadialConcentric(const SkPoint pts[2], const GradData& dat a, 97 static SkShader* Make2ConicalConcentric(const SkPoint pts[2], const GradData& da ta,
98 SkShader::TileMode tm) { 98 SkShader::TileMode tm) {
99 SkPoint center; 99 SkPoint center;
100 center.set(SkScalarAve(pts[0].fX, pts[1].fX), 100 center.set(SkScalarAve(pts[0].fX, pts[1].fX),
101 SkScalarAve(pts[0].fY, pts[1].fY)); 101 SkScalarAve(pts[0].fY, pts[1].fY));
102 return SkGradientShader::CreateTwoPointRadial( 102 return SkGradientShader::CreateTwoPointConical(
103 center, (pts[1].fX - pts[0].fX) / 7, 103 center, (pts[1].fX - pts[0].fX) / 7,
104 center, (pts[1].fX - pts[0].fX) / 2, 104 center, (pts[1].fX - pts[0].fX) / 2,
105 data.fColors, data.fPos, data.fCount, tm); 105 data.fColors, data.fPos, data.fCount, tm);
106 } 106 }
107 107
108 typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, SkSha der::TileMode tm); 108 typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, SkSha der::TileMode tm);
109 109
110 static const GradMaker gGradMakers[] = { 110 static const GradMaker gGradMakers[] = {
111 MakeLinear, MakeRadial, MakeSweep, Make2Radial, Make2RadialConcentric 111 MakeLinear, MakeRadial, MakeSweep, Make2Conical, Make2ConicalConcentric
112 }; 112 };
113 113
114 /////////////////////////////////////////////////////////////////////////////// 114 ///////////////////////////////////////////////////////////////////////////////
115 115
116 class GradientsView : public SampleView { 116 class GradientsView : public SampleView {
117 public: 117 public:
118 GradientsView() { 118 GradientsView() {
119 this->setBGColor(0xFFDDDDDD); 119 this->setBGColor(0xFFDDDDDD);
120 } 120 }
121 121
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168 } 168 }
169 169
170 private: 170 private:
171 typedef SampleView INHERITED; 171 typedef SampleView INHERITED;
172 }; 172 };
173 173
174 /////////////////////////////////////////////////////////////////////////////// 174 ///////////////////////////////////////////////////////////////////////////////
175 175
176 static SkView* MyFactory() { return new GradientsView; } 176 static SkView* MyFactory() { return new GradientsView; }
177 static SkViewRegister reg(MyFactory); 177 static SkViewRegister reg(MyFactory);
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