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 "SkBlurMask.h"
10#include "SkView.h"
11#include "SkCanvas.h"
12#include "SkEmbossMaskFilter.h"
13#include "SkGradientShader.h"
14#include "SkGraphics.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
25class EmbossView : public SampleView {
26    SkEmbossMaskFilter::Light   fLight;
27public:
28    EmbossView() {
29        fLight.fDirection[0] = SK_Scalar1;
30        fLight.fDirection[1] = SK_Scalar1;
31        fLight.fDirection[2] = SK_Scalar1;
32        fLight.fAmbient = 128;
33        fLight.fSpecular = 16*2;
34    }
35
36protected:
37    // overrides from SkEventSink
38    virtual bool onQuery(SkEvent* evt) {
39        if (SampleCode::TitleQ(*evt)) {
40            SampleCode::TitleR(evt, "Emboss");
41            return true;
42        }
43        return this->INHERITED::onQuery(evt);
44    }
45
46    virtual void onDrawContent(SkCanvas* canvas) {
47        SkPaint paint;
48
49        paint.setAntiAlias(true);
50        paint.setStyle(SkPaint::kStroke_Style);
51        paint.setStrokeWidth(SkIntToScalar(10));
52        paint.setMaskFilter(SkEmbossMaskFilter::Make(SkBlurMask::ConvertRadiusToSigma(4), fLight));
53        paint.setShader(SkShader::MakeColorShader(SK_ColorBLUE));
54        paint.setDither(true);
55
56        canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
57                           SkIntToScalar(30), paint);
58    }
59
60private:
61
62    typedef SampleView INHERITED;
63};
64
65//////////////////////////////////////////////////////////////////////////////
66
67static SkView* MyFactory() { return new EmbossView; }
68static SkViewRegister reg(MyFactory);
69