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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 "SampleCode.h" | 8 #include "SampleCode.h" |
9 #include "SkView.h" | 9 #include "SkView.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
11 #include "SkColorPriv.h" | 11 #include "SkColorPriv.h" |
12 #include "SkShader.h" | 12 #include "SkShader.h" |
13 | 13 |
14 static const struct { | 14 static const struct { |
15 SkXfermode::Mode fMode; | 15 SkBlendMode fMode; |
16 const char* fLabel; | 16 const char* fLabel; |
17 } gModes[] = { | 17 } gModes[] = { |
18 { SkXfermode::kClear_Mode, "Clear" }, | 18 { SkBlendMode::kClear, "Clear" }, |
19 { SkXfermode::kSrc_Mode, "Src" }, | 19 { SkBlendMode::kSrc, "Src" }, |
20 { SkXfermode::kDst_Mode, "Dst" }, | 20 { SkBlendMode::kDst, "Dst" }, |
21 { SkXfermode::kSrcOver_Mode, "SrcOver" }, | 21 { SkBlendMode::kSrcOver, "SrcOver" }, |
22 { SkXfermode::kDstOver_Mode, "DstOver" }, | 22 { SkBlendMode::kDstOver, "DstOver" }, |
23 { SkXfermode::kSrcIn_Mode, "SrcIn" }, | 23 { SkBlendMode::kSrcIn, "SrcIn" }, |
24 { SkXfermode::kDstIn_Mode, "DstIn" }, | 24 { SkBlendMode::kDstIn, "DstIn" }, |
25 { SkXfermode::kSrcOut_Mode, "SrcOut" }, | 25 { SkBlendMode::kSrcOut, "SrcOut" }, |
26 { SkXfermode::kDstOut_Mode, "DstOut" }, | 26 { SkBlendMode::kDstOut, "DstOut" }, |
27 { SkXfermode::kSrcATop_Mode, "SrcATop" }, | 27 { SkBlendMode::kSrcATop, "SrcATop" }, |
28 { SkXfermode::kDstATop_Mode, "DstATop" }, | 28 { SkBlendMode::kDstATop, "DstATop" }, |
29 { SkXfermode::kXor_Mode, "Xor" }, | 29 { SkBlendMode::kXor, "Xor" }, |
30 }; | 30 }; |
31 | 31 |
32 const int gWidth = 64; | 32 const int gWidth = 64; |
33 const int gHeight = 64; | 33 const int gHeight = 64; |
34 const SkScalar W = SkIntToScalar(gWidth); | 34 const SkScalar W = SkIntToScalar(gWidth); |
35 const SkScalar H = SkIntToScalar(gHeight); | 35 const SkScalar H = SkIntToScalar(gHeight); |
36 | 36 |
37 static SkScalar drawCell(SkCanvas* canvas, const sk_sp<SkXfermode>& mode, SkAlph
a a0, SkAlpha a1) { | 37 static SkScalar drawCell(SkCanvas* canvas, SkBlendMode mode, SkAlpha a0, SkAlpha
a1) { |
38 SkPaint paint; | 38 SkPaint paint; |
39 paint.setAntiAlias(true); | 39 paint.setAntiAlias(true); |
40 | 40 |
41 SkRect r = SkRect::MakeWH(W, H); | 41 SkRect r = SkRect::MakeWH(W, H); |
42 r.inset(W/10, H/10); | 42 r.inset(W/10, H/10); |
43 | 43 |
44 paint.setColor(SK_ColorBLUE); | 44 paint.setColor(SK_ColorBLUE); |
45 paint.setAlpha(a0); | 45 paint.setAlpha(a0); |
46 canvas->drawOval(r, paint); | 46 canvas->drawOval(r, paint); |
47 | 47 |
48 paint.setColor(SK_ColorRED); | 48 paint.setColor(SK_ColorRED); |
49 paint.setAlpha(a1); | 49 paint.setAlpha(a1); |
50 paint.setXfermode(mode); | 50 paint.setBlendMode(mode); |
51 | 51 |
52 SkScalar offset = SK_Scalar1 / 3; | 52 SkScalar offset = SK_Scalar1 / 3; |
53 SkRect rect = SkRect::MakeXYWH(W / 4 + offset, | 53 SkRect rect = SkRect::MakeXYWH(W / 4 + offset, |
54 H / 4 + offset, | 54 H / 4 + offset, |
55 W / 2, H / 2); | 55 W / 2, H / 2); |
56 canvas->drawRect(rect, paint); | 56 canvas->drawRect(rect, paint); |
57 | 57 |
58 return H; | 58 return H; |
59 } | 59 } |
60 | 60 |
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99 | 99 |
100 for (int alpha = 0; alpha < 4; ++alpha) { | 100 for (int alpha = 0; alpha < 4; ++alpha) { |
101 canvas->save(); | 101 canvas->save(); |
102 canvas->save(); | 102 canvas->save(); |
103 for (size_t i = 0; i < SK_ARRAY_COUNT(gModes); ++i) { | 103 for (size_t i = 0; i < SK_ARRAY_COUNT(gModes); ++i) { |
104 if (6 == i) { | 104 if (6 == i) { |
105 canvas->restore(); | 105 canvas->restore(); |
106 canvas->translate(W * 5, 0); | 106 canvas->translate(W * 5, 0); |
107 canvas->save(); | 107 canvas->save(); |
108 } | 108 } |
109 sk_sp<SkXfermode> mode = SkXfermode::Make(gModes[i].fMode); | |
110 | 109 |
111 canvas->drawRect(bounds, fBGPaint); | 110 canvas->drawRect(bounds, fBGPaint); |
112 canvas->saveLayer(&bounds, nullptr); | 111 canvas->saveLayer(&bounds, nullptr); |
113 SkScalar dy = drawCell(canvas, mode, gAlphaValue[alpha & 1], | 112 SkScalar dy = drawCell(canvas, gModes[i].fMode, gAlphaValue[alph
a & 1], |
114 gAlphaValue[alpha & 2]); | 113 gAlphaValue[alpha & 2]); |
115 canvas->restore(); | 114 canvas->restore(); |
116 | 115 |
117 canvas->translate(0, dy * 5 / 4); | 116 canvas->translate(0, dy * 5 / 4); |
118 } | 117 } |
119 canvas->restore(); | 118 canvas->restore(); |
120 canvas->restore(); | 119 canvas->restore(); |
121 canvas->translate(W * 5 / 4, 0); | 120 canvas->translate(W * 5 / 4, 0); |
122 } | 121 } |
123 } | 122 } |
124 | 123 |
125 private: | 124 private: |
126 typedef SampleView INHERITED; | 125 typedef SampleView INHERITED; |
127 }; | 126 }; |
128 | 127 |
129 /////////////////////////////////////////////////////////////////////////////// | 128 /////////////////////////////////////////////////////////////////////////////// |
130 | 129 |
131 static SkView* MyFactory() { return new AARectsModesView; } | 130 static SkView* MyFactory() { return new AARectsModesView; } |
132 static SkViewRegister reg(MyFactory); | 131 static SkViewRegister reg(MyFactory); |
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