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#include "SkShader.h"
14
15class LCDView : public SkView {
16public:
17    LCDView() {}
18
19protected:
20    // overrides from SkEventSink
21    virtual bool onQuery(SkEvent* evt) {
22        if (SampleCode::TitleQ(*evt)) {
23            SampleCode::TitleR(evt, "LCD Text");
24            return true;
25        }
26        return this->INHERITED::onQuery(evt);
27    }
28
29    void drawBG(SkCanvas* canvas) {
30        canvas->drawColor(SK_ColorWHITE);
31    }
32
33    virtual void onDraw(SkCanvas* canvas) {
34        this->drawBG(canvas);
35
36        SkPaint paint;
37        paint.setAntiAlias(true);
38
39        SkScalar textSize = SkIntToScalar(6);
40        SkScalar delta = SK_Scalar1;
41        const char* text = "HHHamburgefonts iii";
42        size_t len = strlen(text);
43        SkScalar x0 = SkIntToScalar(10);
44        SkScalar x1 = SkIntToScalar(310);
45        SkScalar y = SkIntToScalar(20);
46
47        for (int i = 0; i < 20; i++) {
48            paint.setTextSize(textSize);
49            textSize += delta;
50
51            paint.setLCDRenderText(false);
52            canvas->drawText(text, len, x0, y, paint);
53            paint.setLCDRenderText(true);
54            canvas->drawText(text, len, x1, y, paint);
55
56            y += paint.getFontSpacing();
57        }
58    }
59
60private:
61    typedef SkView INHERITED;
62};
63
64//////////////////////////////////////////////////////////////////////////////
65
66static SkView* MyFactory() { return new LCDView; }
67static SkViewRegister reg(MyFactory);
68