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