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1 /* | |
2 * Copyright 2016 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "gm.h" | |
9 #include "SkAvoidXfermode.h" | |
10 | |
11 class AvoidXfermode2GM : public skiagm::GM { | |
12 public: | |
13 AvoidXfermode2GM() { } | |
14 | |
15 protected: | |
16 SkString onShortName() override { | |
17 return SkString("avoidxfermode2"); | |
18 } | |
19 | |
20 SkISize onISize() override { return SkISize::Make(128, 128); } | |
21 | |
22 void onDraw(SkCanvas* canvas) override { | |
23 canvas->drawARGB(255, 0, 0, 0); | |
24 | |
25 SkRect r = SkRect::MakeXYWH(32, 32, 64, 64); | |
26 | |
27 SkPaint p0; | |
28 p0.setColor(SK_ColorGREEN); | |
29 p0.setAntiAlias(false); | |
30 | |
31 canvas->drawRect(r, p0); | |
32 | |
33 r = SkRect::MakeIWH(64, 64); | |
34 | |
35 // UL corner: replace the green with a tight tolerance | |
36 SkPaint p1; | |
37 p1.setColor(SK_ColorRED); | |
38 p1.setXfermode(SkAvoidXfermode::Create(SK_ColorGREEN, | |
39 55, | |
40 SkAvoidXfermode::kTargetColor_Mod
e))->unref(); | |
41 | |
42 canvas->drawRect(r, p1); | |
43 | |
44 r.offsetTo(64, 0.0f); | |
45 | |
46 // UR corner: avoid the green with a tight tolerance | |
47 SkPaint p2; | |
48 p2.setColor(SK_ColorRED); | |
49 p2.setXfermode(SkAvoidXfermode::Create(SK_ColorGREEN, | |
50 200, | |
51 SkAvoidXfermode::kAvoidColor_Mode
))->unref(); | |
52 | |
53 canvas->drawRect(r, p2); | |
54 | |
55 r.offsetTo(0.0f, 64); | |
56 | |
57 // LL corner: replace the green with a loose tolerance | |
58 SkPaint p3; | |
59 p3.setColor(SK_ColorRED); | |
60 p3.setXfermode(SkAvoidXfermode::Create(SK_ColorGREEN, | |
61 200, | |
62 SkAvoidXfermode::kTargetColor_Mod
e))->unref(); | |
63 | |
64 canvas->drawRect(r, p3); | |
65 | |
66 r.offsetTo(64, 64); | |
67 | |
68 // LR corner: avoid the green with a loose tolerance | |
69 SkPaint p4; | |
70 p4.setColor(SK_ColorRED); | |
71 p4.setXfermode(SkAvoidXfermode::Create(SK_ColorGREEN, | |
72 55, | |
73 SkAvoidXfermode::kAvoidColor_Mode
))->unref(); | |
74 | |
75 canvas->drawRect(r, p4); | |
76 } | |
77 | |
78 private: | |
79 typedef GM INHERITED; | |
80 }; | |
81 | |
82 ////////////////////////////////////////////////////////////////////////////// | |
83 | |
84 DEF_GM(return new AvoidXfermode2GM;) | |
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