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 "SkCornerPathEffect.h"
12#include "SkGradientShader.h"
13#include "SkGraphics.h"
14#include "SkImageDecoder.h"
15#include "SkPath.h"
16#include "SkRandom.h"
17#include "SkRegion.h"
18#include "SkShader.h"
19#include "SkUtils.h"
20#include "SkColorPriv.h"
21#include "SkColorFilter.h"
22#include "SkTime.h"
23#include "SkTypeface.h"
24#include "SkXfermode.h"
25
26#include "SkStream.h"
27#include "SkXMLParser.h"
28#include "SkColorPriv.h"
29#include "SkImageDecoder.h"
30
31class LinesView : public SampleView {
32public:
33    LinesView() {}
34
35protected:
36    // overrides from SkEventSink
37    virtual bool onQuery(SkEvent* evt) {
38        if (SampleCode::TitleQ(*evt)) {
39            SampleCode::TitleR(evt, "Lines");
40            return true;
41        }
42        return this->INHERITED::onQuery(evt);
43    }
44
45    /*
46     0x1F * x + 0x1F * (32 - x)
47     */
48    void drawRings(SkCanvas* canvas) {
49        canvas->scale(SkIntToScalar(1)/2, SkIntToScalar(1)/2);
50
51        SkRect  r;
52        SkScalar x = SkIntToScalar(10);
53        SkScalar y = SkIntToScalar(10);
54        r.set(x, y, x + SkIntToScalar(100), y + SkIntToScalar(100));
55
56        SkPaint paint;
57     //   paint.setAntiAlias(true);
58        paint.setStyle(SkPaint::kStroke_Style);
59        paint.setStrokeWidth(SkScalarHalf(SkIntToScalar(3)));
60        paint.setColor(0xFFFF8800);
61     //   paint.setColor(0xFFFFFFFF);
62        canvas->drawRect(r, paint);
63    }
64
65    virtual void onDrawContent(SkCanvas* canvas) {
66        SkBitmap bm;
67        SkImageDecoder::DecodeFile("/kill.gif", &bm);
68        canvas->drawBitmap(bm, 0, 0, NULL);
69
70        this->drawRings(canvas);
71        return;
72
73        SkPaint paint;
74
75      //  fAlpha = 0x80;
76        paint.setColor(SK_ColorWHITE);
77        paint.setAlpha(fAlpha & 0xFF);
78        SkRect r;
79
80        SkScalar x = SkIntToScalar(10);
81        SkScalar y = SkIntToScalar(10);
82        r.set(x, y, x + SkIntToScalar(100), y + SkIntToScalar(100));
83        canvas->drawRect(r, paint);
84        return;
85
86        paint.setColor(0xffffff00);            // yellow
87        paint.setStyle(SkPaint::kStroke_Style);
88        paint.setStrokeWidth(SkIntToScalar(2));
89
90//        y += SK_Scalar1/2;
91
92        canvas->drawLine(x, y, x + SkIntToScalar(90), y + SkIntToScalar(90), paint);
93
94        paint.setAntiAlias(true);              // with anti-aliasing
95        y += SkIntToScalar(10);
96        canvas->drawLine(x, y, x + SkIntToScalar(90), y + SkIntToScalar(90), paint);
97    }
98
99    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned) SK_OVERRIDE {
100        fAlpha = SkScalarRoundToInt(y);
101        this->inval(NULL);
102        return NULL;
103    }
104private:
105
106    int fAlpha;
107    typedef SampleView INHERITED;
108};
109
110//////////////////////////////////////////////////////////////////////////////
111
112static SkView* MyFactory() { return new LinesView; }
113static SkViewRegister reg(MyFactory);
114