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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 #include "SkLumaColorFilter.h" | 11 #include "SkLumaColorFilter.h" |
12 | 12 |
13 static SkScalar kSize = 80; | 13 static SkScalar kSize = 80; |
14 static SkScalar kInset = 10; | 14 static SkScalar kInset = 10; |
15 static SkColor kColor1 = SkColorSetARGB(0xff, 0xff, 0xff, 0); | 15 static SkColor kColor1 = SkColorSetARGB(0xff, 0xff, 0xff, 0); |
16 static SkColor kColor2 = SkColorSetARGB(0xff, 0x82, 0xff, 0); | 16 static SkColor kColor2 = SkColorSetARGB(0xff, 0x82, 0xff, 0); |
17 | 17 |
18 static void draw_label(SkCanvas* canvas, const char* label, | 18 static void draw_label(SkCanvas* canvas, const char* label, |
19 const SkPoint& offset) { | 19 const SkPoint& offset) { |
20 SkPaint paint; | 20 SkPaint paint; |
21 sk_tool_utils::set_portable_typeface(&paint); | 21 sk_tool_utils::set_portable_typeface(&paint); |
22 size_t len = strlen(label); | 22 size_t len = strlen(label); |
23 | 23 |
24 SkScalar width = paint.measureText(label, len); | 24 SkScalar width = paint.measureText(label, len); |
25 canvas->drawText(label, len, offset.x() - width / 2, offset.y(), | 25 canvas->drawText(label, len, offset.x() - width / 2, offset.y(), |
26 paint); | 26 paint); |
27 } | 27 } |
28 | 28 |
29 static void draw_scene(SkCanvas* canvas, const sk_sp<SkColorFilter>& filter, SkX
fermode::Mode mode, | 29 static void draw_scene(SkCanvas* canvas, const sk_sp<SkColorFilter>& filter, SkB
lendMode mode, |
30 const sk_sp<SkShader>& s1, const sk_sp<SkShader>& s2) { | 30 const sk_sp<SkShader>& s1, const sk_sp<SkShader>& s2) { |
31 SkPaint paint; | 31 SkPaint paint; |
32 paint.setAntiAlias(true); | 32 paint.setAntiAlias(true); |
33 SkRect r, c, bounds = SkRect::MakeWH(kSize, kSize); | 33 SkRect r, c, bounds = SkRect::MakeWH(kSize, kSize); |
34 | 34 |
35 c = bounds; | 35 c = bounds; |
36 c.fRight = bounds.centerX(); | 36 c.fRight = bounds.centerX(); |
37 paint.setARGB(0x20, 0, 0, 0xff); | 37 paint.setARGB(0x20, 0, 0, 0xff); |
38 canvas->drawRect(bounds, paint); | 38 canvas->drawRect(bounds, paint); |
39 | 39 |
40 canvas->saveLayer(&bounds, nullptr); | 40 canvas->saveLayer(&bounds, nullptr); |
41 | 41 |
42 r = bounds; | 42 r = bounds; |
43 r.inset(kInset, 0); | 43 r.inset(kInset, 0); |
44 paint.setShader(s1); | 44 paint.setShader(s1); |
45 paint.setColor(s1 ? SK_ColorBLACK : SkColorSetA(kColor1, 0x80)); | 45 paint.setColor(s1 ? SK_ColorBLACK : SkColorSetA(kColor1, 0x80)); |
46 canvas->drawOval(r, paint); | 46 canvas->drawOval(r, paint); |
47 if (!s1) { | 47 if (!s1) { |
48 canvas->save(); | 48 canvas->save(); |
49 canvas->clipRect(c); | 49 canvas->clipRect(c); |
50 paint.setColor(kColor1); | 50 paint.setColor(kColor1); |
51 canvas->drawOval(r, paint); | 51 canvas->drawOval(r, paint); |
52 canvas->restore(); | 52 canvas->restore(); |
53 } | 53 } |
54 | 54 |
55 SkPaint xferPaint; | 55 SkPaint xferPaint; |
56 xferPaint.setXfermodeMode(mode); | 56 xferPaint.setBlendMode(mode); |
57 canvas->saveLayer(&bounds, &xferPaint); | 57 canvas->saveLayer(&bounds, &xferPaint); |
58 | 58 |
59 r = bounds; | 59 r = bounds; |
60 r.inset(0, kInset); | 60 r.inset(0, kInset); |
61 paint.setShader(s2); | 61 paint.setShader(s2); |
62 paint.setColor(s2 ? SK_ColorBLACK : SkColorSetA(kColor2, 0x80)); | 62 paint.setColor(s2 ? SK_ColorBLACK : SkColorSetA(kColor2, 0x80)); |
63 paint.setColorFilter(filter); | 63 paint.setColorFilter(filter); |
64 canvas->drawOval(r, paint); | 64 canvas->drawOval(r, paint); |
65 if (!s2) { | 65 if (!s2) { |
66 canvas->save(); | 66 canvas->save(); |
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94 | 94 |
95 SkString onShortName() override { | 95 SkString onShortName() override { |
96 return SkString("lumafilter"); | 96 return SkString("lumafilter"); |
97 } | 97 } |
98 | 98 |
99 SkISize onISize() override { | 99 SkISize onISize() override { |
100 return SkISize::Make(600, 420); | 100 return SkISize::Make(600, 420); |
101 } | 101 } |
102 | 102 |
103 void onDraw(SkCanvas* canvas) override { | 103 void onDraw(SkCanvas* canvas) override { |
104 SkXfermode::Mode modes[] = { SkXfermode::kSrcOver_Mode, | 104 SkBlendMode modes[] = { |
105 SkXfermode::kDstOver_Mode, | 105 SkBlendMode::kSrcOver, |
106 SkXfermode::kSrcATop_Mode, | 106 SkBlendMode::kDstOver, |
107 SkXfermode::kDstATop_Mode, | 107 SkBlendMode::kSrcATop, |
108 SkXfermode::kSrcIn_Mode, | 108 SkBlendMode::kDstATop, |
109 SkXfermode::kDstIn_Mode, | 109 SkBlendMode::kSrcIn, |
110 }; | 110 SkBlendMode::kDstIn, |
| 111 }; |
111 struct { | 112 struct { |
112 const sk_sp<SkShader>& fShader1; | 113 const sk_sp<SkShader>& fShader1; |
113 const sk_sp<SkShader>& fShader2; | 114 const sk_sp<SkShader>& fShader2; |
114 } shaders[] = { | 115 } shaders[] = { |
115 { nullptr, nullptr }, | 116 { nullptr, nullptr }, |
116 { nullptr, fGr2 }, | 117 { nullptr, fGr2 }, |
117 { fGr1, nullptr }, | 118 { fGr1, nullptr }, |
118 { fGr1, fGr2 }, | 119 { fGr1, fGr2 }, |
119 }; | 120 }; |
120 | 121 |
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139 private: | 140 private: |
140 sk_sp<SkColorFilter> fFilter; | 141 sk_sp<SkColorFilter> fFilter; |
141 sk_sp<SkShader> fGr1, fGr2; | 142 sk_sp<SkShader> fGr1, fGr2; |
142 | 143 |
143 typedef skiagm::GM INHERITED; | 144 typedef skiagm::GM INHERITED; |
144 }; | 145 }; |
145 | 146 |
146 ////////////////////////////////////////////////////////////////////////////// | 147 ////////////////////////////////////////////////////////////////////////////// |
147 | 148 |
148 DEF_GM(return new LumaFilterGM;) | 149 DEF_GM(return new LumaFilterGM;) |
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