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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, SkShader::kClamp
_TileMode); | 16 return SkGradientShader::CreateLinear(pts, colors, nullptr, 2, SkShader::kCl
amp_TileMode); |
17 } | 17 } |
18 | 18 |
19 static void test_alphagradients(SkCanvas* canvas) { | 19 static void test_alphagradients(SkCanvas* canvas) { |
20 SkRect r; | 20 SkRect r; |
21 r.set(SkIntToScalar(10), SkIntToScalar(10), | 21 r.set(SkIntToScalar(10), SkIntToScalar(10), |
22 SkIntToScalar(410), SkIntToScalar(30)); | 22 SkIntToScalar(410), SkIntToScalar(30)); |
23 SkPaint p, p2; | 23 SkPaint p, p2; |
24 p2.setStyle(SkPaint::kStroke_Style); | 24 p2.setStyle(SkPaint::kStroke_Style); |
25 | 25 |
26 p.setShader(setgrad(r, 0xFF00FF00, 0x0000FF00))->unref(); | 26 p.setShader(setgrad(r, 0xFF00FF00, 0x0000FF00))->unref(); |
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49 static const SkColor gColors[] = { | 49 static const SkColor gColors[] = { |
50 SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK | 50 SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK |
51 }; | 51 }; |
52 static const SkScalar gPos0[] = { 0, SK_Scalar1 }; | 52 static const SkScalar gPos0[] = { 0, SK_Scalar1 }; |
53 static const SkScalar gPos1[] = { SK_Scalar1/4, SK_Scalar1*3/4 }; | 53 static const SkScalar gPos1[] = { SK_Scalar1/4, SK_Scalar1*3/4 }; |
54 static const SkScalar gPos2[] = { | 54 static const SkScalar gPos2[] = { |
55 0, SK_Scalar1/8, SK_Scalar1/2, SK_Scalar1*7/8, SK_Scalar1 | 55 0, SK_Scalar1/8, SK_Scalar1/2, SK_Scalar1*7/8, SK_Scalar1 |
56 }; | 56 }; |
57 | 57 |
58 static const GradData gGradData[] = { | 58 static const GradData gGradData[] = { |
59 { 2, gColors, NULL }, | 59 { 2, gColors, nullptr }, |
60 { 2, gColors, gPos0 }, | 60 { 2, gColors, gPos0 }, |
61 { 2, gColors, gPos1 }, | 61 { 2, gColors, gPos1 }, |
62 { 5, gColors, NULL }, | 62 { 5, gColors, nullptr }, |
63 { 5, gColors, gPos2 } | 63 { 5, gColors, gPos2 } |
64 }; | 64 }; |
65 | 65 |
66 static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, SkShader
::TileMode tm) { | 66 static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, SkShader
::TileMode tm) { |
67 return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos, data.fCo
unt, tm); | 67 return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos, data.fCo
unt, tm); |
68 } | 68 } |
69 | 69 |
70 static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, SkShader
::TileMode tm) { | 70 static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, SkShader
::TileMode tm) { |
71 SkPoint center; | 71 SkPoint center; |
72 center.set(SkScalarAve(pts[0].fX, pts[1].fX), | 72 center.set(SkScalarAve(pts[0].fX, pts[1].fX), |
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157 } | 157 } |
158 canvas->restore(); | 158 canvas->restore(); |
159 canvas->translate(SK_ARRAY_COUNT(gGradData)*SkIntToScalar(120), 0); | 159 canvas->translate(SK_ARRAY_COUNT(gGradData)*SkIntToScalar(120), 0); |
160 } | 160 } |
161 canvas->restore(); | 161 canvas->restore(); |
162 | 162 |
163 canvas->translate(0, SkIntToScalar(370)); | 163 canvas->translate(0, SkIntToScalar(370)); |
164 if (false) { // avoid bit rot, suppress warning | 164 if (false) { // avoid bit rot, suppress warning |
165 test_alphagradients(canvas); | 165 test_alphagradients(canvas); |
166 } | 166 } |
167 this->inval(NULL); | 167 this->inval(nullptr); |
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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