1 
2 /*
3  * Copyright 2011 Google Inc.
4  *
5  * Use of this source code is governed by a BSD-style license that can be
6  * found in the LICENSE file.
7  */
8 #include "SampleCode.h"
9 #include "SkView.h"
10 #include "SkCanvas.h"
11 #include "SkDevice.h"
12 #include "SkPaint.h"
13 
14 class StrokeRectSample : public SampleView {
15 public:
StrokeRectSample()16     StrokeRectSample() {}
17 
18 protected:
19     // overrides from SkEventSink
onQuery(SkEvent * evt)20     virtual bool onQuery(SkEvent* evt) {
21         if (SampleCode::TitleQ(*evt)) {
22             SampleCode::TitleR(evt, "Stroke Rects");
23             return true;
24         }
25         return this->INHERITED::onQuery(evt);
26     }
27 
onDrawContent(SkCanvas * canvas)28     virtual void onDrawContent(SkCanvas* canvas) {
29         SkPaint paint;
30         paint.setAntiAlias(true);
31         paint.setStyle(SkPaint::kStroke_Style);
32         paint.setStrokeWidth(SkIntToScalar(20));
33 
34         SkPaint hair;
35         hair.setStyle(SkPaint::kStroke_Style);
36         hair.setColor(SK_ColorRED);
37 
38         static const SkISize gSize[] = {
39             {   100,   50 },
40             {   100,    0 },
41             {     0,   50 },
42             {     0,    0 }
43         };
44 
45         static const SkPaint::Join gJoin[] = {
46             SkPaint::kMiter_Join,
47             SkPaint::kRound_Join,
48             SkPaint::kBevel_Join
49         };
50 
51         canvas->translate(paint.getStrokeWidth(), paint.getStrokeWidth());
52         for (size_t i = 0; i < SK_ARRAY_COUNT(gJoin); ++i) {
53             paint.setStrokeJoin(gJoin[i]);
54 
55             canvas->save();
56             for (size_t j = 0; j < SK_ARRAY_COUNT(gSize); ++j) {
57                 SkRect r = SkRect::MakeWH(SkIntToScalar(gSize[j].fWidth),
58                                           SkIntToScalar(gSize[j].fHeight));
59                 canvas->drawRect(r, paint);
60                 canvas->drawRect(r, hair);
61                 canvas->translate(0, SkIntToScalar(100));
62             }
63             canvas->restore();
64             canvas->translate(SkIntToScalar(150), 0);
65         }
66     }
67 
68 private:
69     typedef SampleView INHERITED;
70 };
71 
72 ///////////////////////////////////////////////////////////////////////////////
73 
MyFactory()74 static SkView* MyFactory() { return new StrokeRectSample; }
75 static SkViewRegister reg(MyFactory);
76