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 "SkColorShader.h"
13#include "SkEmbossMaskFilter.h"
14#include "SkGradientShader.h"
15#include "SkGraphics.h"
16#include "SkImageDecoder.h"
17#include "SkPath.h"
18#include "SkRandom.h"
19#include "SkRegion.h"
20#include "SkShader.h"
21#include "SkUtils.h"
22#include "SkColorPriv.h"
23#include "SkColorFilter.h"
24#include "SkTime.h"
25#include "SkTypeface.h"
26#include "SkXfermode.h"
27
28class EmbossView : public SampleView {
29    SkEmbossMaskFilter::Light   fLight;
30public:
31    EmbossView() {
32        fLight.fDirection[0] = SK_Scalar1;
33        fLight.fDirection[1] = SK_Scalar1;
34        fLight.fDirection[2] = SK_Scalar1;
35        fLight.fAmbient = 128;
36        fLight.fSpecular = 16*2;
37    }
38
39protected:
40    // overrides from SkEventSink
41    virtual bool onQuery(SkEvent* evt) {
42        if (SampleCode::TitleQ(*evt)) {
43            SampleCode::TitleR(evt, "Emboss");
44            return true;
45        }
46        return this->INHERITED::onQuery(evt);
47    }
48
49    virtual void onDrawContent(SkCanvas* canvas) {
50        SkPaint paint;
51
52        paint.setAntiAlias(true);
53        paint.setStyle(SkPaint::kStroke_Style);
54        paint.setStrokeWidth(SkIntToScalar(10));
55        paint.setMaskFilter(SkEmbossMaskFilter::Create(
56            SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(4)), fLight))->unref();
57        paint.setShader(new SkColorShader(SK_ColorBLUE))->unref();
58        paint.setDither(true);
59
60        canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
61                           SkIntToScalar(30), paint);
62    }
63
64private:
65
66    typedef SampleView INHERITED;
67};
68
69//////////////////////////////////////////////////////////////////////////////
70
71static SkView* MyFactory() { return new EmbossView; }
72static SkViewRegister reg(MyFactory);
73