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Side by Side Diff: samplecode/SampleGradients.cpp

Issue 283273002: remove unused (by clients) SkUnitMapper (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: fix legacy call Created 6 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"
11 #include "SkGradientShader.h" 11 #include "SkGradientShader.h"
12 12
13 static SkShader* setgrad(const SkRect& r, SkColor c0, SkColor c1) { 13 static SkShader* setgrad(const SkRect& r, SkColor c0, SkColor c1) {
14 SkColor colors[] = { c0, c1 }; 14 SkColor colors[] = { c0, c1 };
15 SkPoint pts[] = { { r.fLeft, r.fTop }, { r.fRight, r.fTop } }; 15 SkPoint pts[] = { { r.fLeft, r.fTop }, { r.fRight, r.fTop } };
16 return SkGradientShader::CreateLinear(pts, colors, NULL, 2, 16 return SkGradientShader::CreateLinear(pts, colors, NULL, 2, SkShader::kClamp _TileMode);
17 SkShader::kClamp_TileMode, NULL);
18 } 17 }
19 18
20 static void test_alphagradients(SkCanvas* canvas) { 19 static void test_alphagradients(SkCanvas* canvas) {
21 SkRect r; 20 SkRect r;
22 r.set(SkIntToScalar(10), SkIntToScalar(10), 21 r.set(SkIntToScalar(10), SkIntToScalar(10),
23 SkIntToScalar(410), SkIntToScalar(30)); 22 SkIntToScalar(410), SkIntToScalar(30));
24 SkPaint p, p2; 23 SkPaint p, p2;
25 p2.setStyle(SkPaint::kStroke_Style); 24 p2.setStyle(SkPaint::kStroke_Style);
26 25
27 p.setShader(setgrad(r, 0xFF00FF00, 0x0000FF00))->unref(); 26 p.setShader(setgrad(r, 0xFF00FF00, 0x0000FF00))->unref();
(...skipping 29 matching lines...) Expand all
57 }; 56 };
58 57
59 static const GradData gGradData[] = { 58 static const GradData gGradData[] = {
60 { 2, gColors, NULL }, 59 { 2, gColors, NULL },
61 { 2, gColors, gPos0 }, 60 { 2, gColors, gPos0 },
62 { 2, gColors, gPos1 }, 61 { 2, gColors, gPos1 },
63 { 5, gColors, NULL }, 62 { 5, gColors, NULL },
64 { 5, gColors, gPos2 } 63 { 5, gColors, gPos2 }
65 }; 64 };
66 65
67 static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, 66 static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, SkShader ::TileMode tm) {
68 SkShader::TileMode tm, SkUnitMapper* mapper) { 67 return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos, data.fCo unt, tm);
69 return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos,
70 data.fCount, tm, mapper);
71 } 68 }
72 69
73 static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, 70 static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, SkShader ::TileMode tm) {
74 SkShader::TileMode tm, SkUnitMapper* mapper) {
75 SkPoint center; 71 SkPoint center;
76 center.set(SkScalarAve(pts[0].fX, pts[1].fX), 72 center.set(SkScalarAve(pts[0].fX, pts[1].fX),
77 SkScalarAve(pts[0].fY, pts[1].fY)); 73 SkScalarAve(pts[0].fY, pts[1].fY));
78 return SkGradientShader::CreateRadial(center, center.fX, data.fColors, 74 return SkGradientShader::CreateRadial(center, center.fX, data.fColors,
79 data.fPos, data.fCount, tm, mapper); 75 data.fPos, data.fCount, tm);
80 } 76 }
81 77
82 static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, 78 static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, SkShader: :TileMode tm) {
83 SkShader::TileMode tm, SkUnitMapper* mapper) {
84 SkPoint center; 79 SkPoint center;
85 center.set(SkScalarAve(pts[0].fX, pts[1].fX), 80 center.set(SkScalarAve(pts[0].fX, pts[1].fX),
86 SkScalarAve(pts[0].fY, pts[1].fY)); 81 SkScalarAve(pts[0].fY, pts[1].fY));
87 return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, 82 return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, dat a.fPos, data.fCount);
88 data.fPos, data.fCount, mapper);
89 } 83 }
90 84
91 static SkShader* Make2Radial(const SkPoint pts[2], const GradData& data, 85 static SkShader* Make2Radial(const SkPoint pts[2], const GradData& data, SkShade r::TileMode tm) {
92 SkShader::TileMode tm, SkUnitMapper* mapper) {
93 SkPoint center0, center1; 86 SkPoint center0, center1;
94 center0.set(SkScalarAve(pts[0].fX, pts[1].fX), 87 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
95 SkScalarAve(pts[0].fY, pts[1].fY)); 88 SkScalarAve(pts[0].fY, pts[1].fY));
96 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),
97 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); 90 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
98 return SkGradientShader::CreateTwoPointRadial( 91 return SkGradientShader::CreateTwoPointRadial(
99 center1, (pts[1].fX - pts[0].fX) / 7, 92 center1, (pts[1].fX - pts[0].fX) / 7,
100 center0, (pts[1].fX - pts[0].fX) / 2, 93 center0, (pts[1].fX - pts[0].fX) / 2,
101 data.fColors, data.fPos, data.fCount, tm, mapper); 94 data.fColors, data.fPos, data.fCount, tm);
102 } 95 }
103 96
104 static SkShader* Make2RadialConcentric(const SkPoint pts[2], const GradData& dat a, 97 static SkShader* Make2RadialConcentric(const SkPoint pts[2], const GradData& dat a,
105 SkShader::TileMode tm, SkUnitMapper* mapp er) { 98 SkShader::TileMode tm) {
106 SkPoint center; 99 SkPoint center;
107 center.set(SkScalarAve(pts[0].fX, pts[1].fX), 100 center.set(SkScalarAve(pts[0].fX, pts[1].fX),
108 SkScalarAve(pts[0].fY, pts[1].fY)); 101 SkScalarAve(pts[0].fY, pts[1].fY));
109 return SkGradientShader::CreateTwoPointRadial( 102 return SkGradientShader::CreateTwoPointRadial(
110 center, (pts[1].fX - pts[0].fX) / 7, 103 center, (pts[1].fX - pts[0].fX) / 7,
111 center, (pts[1].fX - pts[0].fX) / 2, 104 center, (pts[1].fX - pts[0].fX) / 2,
112 data.fColors, data.fPos, data.fCount, tm, mapper); 105 data.fColors, data.fPos, data.fCount, tm);
113 } 106 }
114 107
115 typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, 108 typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, SkSha der::TileMode tm);
116 SkShader::TileMode tm, SkUnitMapper* mapper); 109
117 static const GradMaker gGradMakers[] = { 110 static const GradMaker gGradMakers[] = {
118 MakeLinear, MakeRadial, MakeSweep, Make2Radial, Make2RadialConcentric 111 MakeLinear, MakeRadial, MakeSweep, Make2Radial, Make2RadialConcentric
119 }; 112 };
120 113
121 /////////////////////////////////////////////////////////////////////////////// 114 ///////////////////////////////////////////////////////////////////////////////
122 115
123 class GradientsView : public SampleView { 116 class GradientsView : public SampleView {
124 public: 117 public:
125 GradientsView() { 118 GradientsView() {
126 this->setBGColor(0xFFDDDDDD); 119 this->setBGColor(0xFFDDDDDD);
(...skipping 20 matching lines...) Expand all
147 140
148 canvas->save(); 141 canvas->save();
149 canvas->translate(SkIntToScalar(20), SkIntToScalar(10)); 142 canvas->translate(SkIntToScalar(20), SkIntToScalar(10));
150 143
151 for (int tm = 0; tm < SkShader::kTileModeCount; ++tm) { 144 for (int tm = 0; tm < SkShader::kTileModeCount; ++tm) {
152 canvas->save(); 145 canvas->save();
153 for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) { 146 for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) {
154 canvas->save(); 147 canvas->save();
155 for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) { 148 for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) {
156 SkShader* shader; 149 SkShader* shader;
157 shader = gGradMakers[j](pts, gGradData[i], (SkShader::TileMo de)tm, NULL); 150 shader = gGradMakers[j](pts, gGradData[i], (SkShader::TileMo de)tm);
158 paint.setShader(shader)->unref(); 151 paint.setShader(shader)->unref();
159 canvas->drawRect(r, paint); 152 canvas->drawRect(r, paint);
160 canvas->translate(0, SkIntToScalar(120)); 153 canvas->translate(0, SkIntToScalar(120));
161 } 154 }
162 canvas->restore(); 155 canvas->restore();
163 canvas->translate(SkIntToScalar(120), 0); 156 canvas->translate(SkIntToScalar(120), 0);
164 } 157 }
165 canvas->restore(); 158 canvas->restore();
166 canvas->translate(SK_ARRAY_COUNT(gGradData)*SkIntToScalar(120), 0); 159 canvas->translate(SK_ARRAY_COUNT(gGradData)*SkIntToScalar(120), 0);
167 } 160 }
168 canvas->restore(); 161 canvas->restore();
169 162
170 canvas->translate(0, SkIntToScalar(370)); 163 canvas->translate(0, SkIntToScalar(370));
171 if (false) { // avoid bit rot, suppress warning 164 if (false) { // avoid bit rot, suppress warning
172 test_alphagradients(canvas); 165 test_alphagradients(canvas);
173 } 166 }
174 this->inval(NULL); 167 this->inval(NULL);
175 } 168 }
176 169
177 private: 170 private:
178 typedef SampleView INHERITED; 171 typedef SampleView INHERITED;
179 }; 172 };
180 173
181 /////////////////////////////////////////////////////////////////////////////// 174 ///////////////////////////////////////////////////////////////////////////////
182 175
183 static SkView* MyFactory() { return new GradientsView; } 176 static SkView* MyFactory() { return new GradientsView; }
184 static SkViewRegister reg(MyFactory); 177 static SkViewRegister reg(MyFactory);
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