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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2013 Google Inc. | 3 * Copyright 2013 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 "gm.h" | 8 #include "gm.h" |
9 #include "SkGradientShader.h" | 9 #include "SkGradientShader.h" |
10 | 10 |
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28 }; | 28 }; |
29 | 29 |
30 //static const SkScalar gPos[] = { SK_Scalar1*999/2000, SK_Scalar1*1001/2000 }; | 30 //static const SkScalar gPos[] = { SK_Scalar1*999/2000, SK_Scalar1*1001/2000 }; |
31 | 31 |
32 static const GradData gGradData[] = { | 32 static const GradData gGradData[] = { |
33 { 40, gColors, nullptr }, | 33 { 40, gColors, nullptr }, |
34 // { 2, gColors, gPos }, | 34 // { 2, gColors, gPos }, |
35 // { 2, gCol2, nullptr }, | 35 // { 2, gCol2, nullptr }, |
36 }; | 36 }; |
37 | 37 |
38 static sk_sp<SkShader> MakeLinear(const SkPoint pts[2], const GradData& data, Sk
Shader::TileMode tm) { | 38 static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, SkShader
::TileMode tm) { |
39 return SkGradientShader::MakeLinear(pts, data.fColors, data.fPos, data.fCoun
t, tm); | 39 return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos, data.fCo
unt, tm); |
40 } | 40 } |
41 | 41 |
42 static sk_sp<SkShader> MakeRadial(const SkPoint pts[2], const GradData& data, Sk
Shader::TileMode tm) { | 42 static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, SkShader
::TileMode tm) { |
43 const SkPoint pt{ SkScalarAve(pts[0].fX, pts[1].fX), SkScalarAve(pts[0].fY,
pts[1].fY) }; | 43 SkPoint center; |
44 return SkGradientShader::MakeRadial(pt, pt.fX, data.fColors, data.fPos, data
.fCount, tm); | 44 center.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 45 SkScalarAve(pts[0].fY, pts[1].fY)); |
| 46 return SkGradientShader::CreateRadial(center, center.fX, data.fColors, |
| 47 data.fPos, data.fCount, tm); |
45 } | 48 } |
46 | 49 |
47 static sk_sp<SkShader> MakeSweep(const SkPoint pts[2], const GradData& data, SkS
hader::TileMode) { | 50 static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, SkShader:
:TileMode) { |
48 const SkPoint pt{ SkScalarAve(pts[0].fX, pts[1].fX), SkScalarAve(pts[0].fY,
pts[1].fY) }; | 51 SkPoint center; |
49 return SkGradientShader::MakeSweep(pt.fX, pt.fY, data.fColors, data.fPos, da
ta.fCount); | 52 center.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 53 SkScalarAve(pts[0].fY, pts[1].fY)); |
| 54 return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, dat
a.fPos, data.fCount); |
50 } | 55 } |
51 | 56 |
52 | 57 |
53 typedef sk_sp<SkShader> (*GradMaker)(const SkPoint pts[2], const GradData&, SkSh
ader::TileMode); | 58 typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, SkSha
der::TileMode tm); |
54 | 59 |
55 static const GradMaker gGradMakers[] = { | 60 static const GradMaker gGradMakers[] = { |
56 MakeLinear, MakeRadial, MakeSweep, | 61 MakeLinear, MakeRadial, MakeSweep, |
57 }; | 62 }; |
58 | 63 |
59 /////////////////////////////////////////////////////////////////////////////// | 64 /////////////////////////////////////////////////////////////////////////////// |
60 | 65 |
61 class GradientsGM : public GM { | 66 class GradientsGM : public GM { |
62 public: | 67 public: |
63 GradientsGM() { | 68 GradientsGM() { |
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74 }; | 79 }; |
75 SkShader::TileMode tm = SkShader::kClamp_TileMode; | 80 SkShader::TileMode tm = SkShader::kClamp_TileMode; |
76 SkRect r = { 0, 0, SkIntToScalar(100), SkIntToScalar(100) }; | 81 SkRect r = { 0, 0, SkIntToScalar(100), SkIntToScalar(100) }; |
77 SkPaint paint; | 82 SkPaint paint; |
78 paint.setAntiAlias(true); | 83 paint.setAntiAlias(true); |
79 | 84 |
80 canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); | 85 canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); |
81 for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) { | 86 for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) { |
82 canvas->save(); | 87 canvas->save(); |
83 for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) { | 88 for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) { |
84 paint.setShader(gGradMakers[j](pts, gGradData[i], tm)); | 89 SkShader* shader = gGradMakers[j](pts, gGradData[i], tm); |
| 90 paint.setShader(shader)->unref(); |
85 canvas->drawRect(r, paint); | 91 canvas->drawRect(r, paint); |
86 canvas->translate(0, SkIntToScalar(120)); | 92 canvas->translate(0, SkIntToScalar(120)); |
87 } | 93 } |
88 canvas->restore(); | 94 canvas->restore(); |
89 canvas->translate(SkIntToScalar(120), 0); | 95 canvas->translate(SkIntToScalar(120), 0); |
90 } | 96 } |
91 } | 97 } |
92 | 98 |
93 private: | 99 private: |
94 typedef GM INHERITED; | 100 typedef GM INHERITED; |
95 }; | 101 }; |
96 | 102 |
97 /////////////////////////////////////////////////////////////////////////////// | 103 /////////////////////////////////////////////////////////////////////////////// |
98 | 104 |
99 static GM* MyFactory(void*) { return new GradientsGM; } | 105 static GM* MyFactory(void*) { return new GradientsGM; } |
100 static GMRegistry reg(MyFactory); | 106 static GMRegistry reg(MyFactory); |
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