1 /*
2 * Copyright 2011 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 #include "SampleCode.h"
8 #include "SkView.h"
9 #include "SkCanvas.h"
10 #include "SkCornerPathEffect.h"
11 #include "SkGradientShader.h"
12 #include "SkPath.h"
13 #include "SkRegion.h"
14 #include "SkShader.h"
15 #include "SkUtils.h"
16
17 class FillTypeView : public SampleView {
18 SkPath fPath;
19 public:
FillTypeView()20 FillTypeView() {
21 const SkScalar radius = SkIntToScalar(45);
22 fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius);
23 fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius);
24
25 this->setBGColor(0xFFDDDDDD);
26 }
27
28 protected:
29 // overrides from SkEventSink
onQuery(SkEvent * evt)30 virtual bool onQuery(SkEvent* evt) {
31 if (SampleCode::TitleQ(*evt)) {
32 SampleCode::TitleR(evt, "FillType");
33 return true;
34 }
35 return this->INHERITED::onQuery(evt);
36 }
37
showPath(SkCanvas * canvas,int x,int y,SkPath::FillType ft,SkScalar scale,const SkPaint & paint)38 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft,
39 SkScalar scale, const SkPaint& paint) {
40
41 const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) };
42
43 canvas->save();
44 canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
45 canvas->clipRect(r);
46 canvas->drawColor(SK_ColorWHITE);
47 fPath.setFillType(ft);
48 canvas->translate(r.centerX(), r.centerY());
49 canvas->scale(scale, scale);
50 canvas->translate(-r.centerX(), -r.centerY());
51 canvas->drawPath(fPath, paint);
52 canvas->restore();
53 }
54
showFour(SkCanvas * canvas,SkScalar scale,const SkPaint & paint)55 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) {
56 showPath(canvas, 0, 0, SkPath::kWinding_FillType,
57 scale, paint);
58 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType,
59 scale, paint);
60 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType,
61 scale, paint);
62 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType,
63 scale, paint);
64 }
65
onDrawContent(SkCanvas * canvas)66 virtual void onDrawContent(SkCanvas* canvas) {
67 canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
68
69 SkPaint paint;
70 const SkScalar scale = SkIntToScalar(5)/4;
71
72 paint.setAntiAlias(false);
73 paint.setColor(0x8000FF00);
74
75 showFour(canvas, SK_Scalar1, paint);
76 canvas->translate(SkIntToScalar(450), 0);
77 showFour(canvas, scale, paint);
78
79 paint.setAntiAlias(true);
80
81 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450));
82 showFour(canvas, SK_Scalar1, paint);
83 canvas->translate(SkIntToScalar(450), 0);
84 showFour(canvas, scale, paint);
85 }
86
87 private:
88 typedef SampleView INHERITED;
89 };
90
91 //////////////////////////////////////////////////////////////////////////////
92
MyFactory()93 static SkView* MyFactory() { return new FillTypeView; }
94 static SkViewRegister reg(MyFactory);
95