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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "gm.h" | 8 #include "gm.h" |
9 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
10 #include "SkGradientShader.h" | 10 #include "SkGradientShader.h" |
11 | 11 |
12 namespace skiagm { | 12 namespace skiagm { |
13 | 13 |
14 static void makebm(SkBitmap* bm, int w, int h) { | 14 static void makebm(SkBitmap* bm, int w, int h) { |
15 bm->allocN32Pixels(w, h); | 15 bm->allocN32Pixels(w, h); |
16 bm->eraseColor(SK_ColorTRANSPARENT); | 16 bm->eraseColor(SK_ColorTRANSPARENT); |
17 | 17 |
18 SkCanvas canvas(*bm); | 18 SkCanvas canvas(*bm); |
19 SkScalar s = SkIntToScalar(SkMin32(w, h)); | 19 SkScalar s = SkIntToScalar(SkMin32(w, h)); |
20 static const SkPoint kPts0[] = { { 0, 0 }, { s, s } }; | 20 const SkPoint kPts0[] = { { 0, 0 }, { s, s } }; |
21 static const SkPoint kPts1[] = { { s/2, 0 }, { s/2, s } }; | 21 const SkPoint kPts1[] = { { s/2, 0 }, { s/2, s } }; |
22 static const SkScalar kPos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; | 22 const SkScalar kPos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; |
23 static const SkColor kColors0[] = {0x80F00080, 0xF0F08000, 0x800080F0 }; | 23 const SkColor kColors0[] = {0x80F00080, 0xF0F08000, 0x800080F0 }; |
24 static const SkColor kColors1[] = {0xF08000F0, 0x8080F000, 0xF000F080 }; | 24 const SkColor kColors1[] = {0xF08000F0, 0x8080F000, 0xF000F080 }; |
25 | 25 |
26 | 26 |
27 SkPaint paint; | 27 SkPaint paint; |
28 | 28 |
29 paint.setShader(SkGradientShader::MakeLinear(kPts0, kColors0, kPos, | 29 paint.setShader(SkGradientShader::MakeLinear(kPts0, kColors0, kPos, |
30 SK_ARRAY_COUNT(kColors0), SkShader::kClamp_TileMode)); | 30 SK_ARRAY_COUNT(kColors0), SkShader::kClamp_TileMode)); |
31 canvas.drawPaint(paint); | 31 canvas.drawPaint(paint); |
32 paint.setShader(SkGradientShader::MakeLinear(kPts1, kColors1, kPos, | 32 paint.setShader(SkGradientShader::MakeLinear(kPts1, kColors1, kPos, |
33 SK_ARRAY_COUNT(kColors1), SkShader::kClamp_TileMode)); | 33 SK_ARRAY_COUNT(kColors1), SkShader::kClamp_TileMode)); |
34 canvas.drawPaint(paint); | 34 canvas.drawPaint(paint); |
35 } | 35 } |
36 | 36 |
37 /////////////////////////////////////////////////////////////////////////////// | 37 /////////////////////////////////////////////////////////////////////////////// |
38 | 38 |
39 struct LabeledMatrix { | 39 struct LabeledMatrix { |
40 SkMatrix fMatrix; | 40 SkMatrix fMatrix; |
41 const char* fLabel; | 41 const char* fLabel; |
42 }; | 42 }; |
43 | 43 |
44 static const char kText[] = "B"; | 44 constexpr char kText[] = "B"; |
45 static const int kTextLen = SK_ARRAY_COUNT(kText) - 1; | 45 constexpr int kTextLen = SK_ARRAY_COUNT(kText) - 1; |
46 static const int kPointSize = 300; | 46 constexpr int kPointSize = 300; |
47 | 47 |
48 class ShaderText3GM : public GM { | 48 class ShaderText3GM : public GM { |
49 public: | 49 public: |
50 ShaderText3GM() { | 50 ShaderText3GM() { |
51 this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD)); | 51 this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD)); |
52 } | 52 } |
53 | 53 |
54 protected: | 54 protected: |
55 | 55 |
56 SkString onShortName() override { | 56 SkString onShortName() override { |
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76 sk_tool_utils::set_portable_typeface(&outlinePaint); | 76 sk_tool_utils::set_portable_typeface(&outlinePaint); |
77 outlinePaint.setTextSize(SkIntToScalar(kPointSize)); | 77 outlinePaint.setTextSize(SkIntToScalar(kPointSize)); |
78 outlinePaint.setStyle(SkPaint::kStroke_Style); | 78 outlinePaint.setStyle(SkPaint::kStroke_Style); |
79 outlinePaint.setStrokeWidth(0.f); | 79 outlinePaint.setStrokeWidth(0.f); |
80 | 80 |
81 canvas->translate(15.f, 15.f); | 81 canvas->translate(15.f, 15.f); |
82 | 82 |
83 // draw glyphs scaled up | 83 // draw glyphs scaled up |
84 canvas->scale(2.f, 2.f); | 84 canvas->scale(2.f, 2.f); |
85 | 85 |
86 static const SkShader::TileMode kTileModes[] = { | 86 constexpr SkShader::TileMode kTileModes[] = { |
87 SkShader::kRepeat_TileMode, | 87 SkShader::kRepeat_TileMode, |
88 SkShader::kMirror_TileMode, | 88 SkShader::kMirror_TileMode, |
89 }; | 89 }; |
90 | 90 |
91 // position the baseline of the first run | 91 // position the baseline of the first run |
92 canvas->translate(0.f, 0.75f * kPointSize); | 92 canvas->translate(0.f, 0.75f * kPointSize); |
93 | 93 |
94 canvas->save(); | 94 canvas->save(); |
95 int i = 0; | 95 int i = 0; |
96 for (size_t tm0 = 0; tm0 < SK_ARRAY_COUNT(kTileModes); ++tm0) { | 96 for (size_t tm0 = 0; tm0 < SK_ARRAY_COUNT(kTileModes); ++tm0) { |
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126 private: | 126 private: |
127 SkBitmap fBmp; | 127 SkBitmap fBmp; |
128 typedef GM INHERITED; | 128 typedef GM INHERITED; |
129 }; | 129 }; |
130 | 130 |
131 /////////////////////////////////////////////////////////////////////////////// | 131 /////////////////////////////////////////////////////////////////////////////// |
132 | 132 |
133 static GM* MyFactory(void*) { return new ShaderText3GM; } | 133 static GM* MyFactory(void*) { return new ShaderText3GM; } |
134 static GMRegistry reg(MyFactory); | 134 static GMRegistry reg(MyFactory); |
135 } | 135 } |
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