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 "Sk64.h"
12 #include "SkGradientShader.h"
13 #include "SkGraphics.h"
14 #include "SkImageDecoder.h"
15 #include "SkKernel33MaskFilter.h"
16 #include "SkPath.h"
17 #include "SkRandom.h"
18 #include "SkRegion.h"
19 #include "SkShader.h"
20 #include "SkUtils.h"
21 #include "SkColorPriv.h"
22 #include "SkColorFilter.h"
23 #include "SkTime.h"
24 #include "SkTypeface.h"
25 #include "SkXfermode.h"
26
27 #include "SkStream.h"
28 #include "SkXMLParser.h"
29
30 class PointsView : public SampleView {
31 public:
PointsView()32 PointsView() {}
33
34 protected:
35 // overrides from SkEventSink
onQuery(SkEvent * evt)36 virtual bool onQuery(SkEvent* evt) {
37 if (SampleCode::TitleQ(*evt)) {
38 SampleCode::TitleR(evt, "Points");
39 return true;
40 }
41 return this->INHERITED::onQuery(evt);
42 }
43
fill_pts(SkPoint pts[],size_t n,SkRandom * rand)44 static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand) {
45 for (size_t i = 0; i < n; i++)
46 pts[i].set(rand->nextUScalar1() * 640, rand->nextUScalar1() * 480);
47 }
48
onDrawContent(SkCanvas * canvas)49 virtual void onDrawContent(SkCanvas* canvas) {
50 canvas->translate(SK_Scalar1, SK_Scalar1);
51
52 SkRandom rand;
53 SkPaint p0, p1, p2, p3;
54 const size_t n = 99;
55
56 p0.setColor(SK_ColorRED);
57 p1.setColor(SK_ColorGREEN);
58 p2.setColor(SK_ColorBLUE);
59 p3.setColor(SK_ColorWHITE);
60
61 p0.setStrokeWidth(SkIntToScalar(4));
62 p2.setStrokeCap(SkPaint::kRound_Cap);
63 p2.setStrokeWidth(SkIntToScalar(6));
64
65 SkPoint* pts = new SkPoint[n];
66 fill_pts(pts, n, &rand);
67
68 canvas->drawPoints(SkCanvas::kPolygon_PointMode, n, pts, p0);
69 canvas->drawPoints(SkCanvas::kLines_PointMode, n, pts, p1);
70 canvas->drawPoints(SkCanvas::kPoints_PointMode, n, pts, p2);
71 canvas->drawPoints(SkCanvas::kPoints_PointMode, n, pts, p3);
72
73 delete[] pts;
74 }
75
76 private:
77
78 typedef SampleView INHERITED;
79 };
80
81 //////////////////////////////////////////////////////////////////////////////
82
MyFactory()83 static SkView* MyFactory() { return new PointsView; }
84 static SkViewRegister reg(MyFactory);
85
86