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 "include/core/SkCanvas.h"
9#include "include/core/SkColorFilter.h"
10#include "include/core/SkColorPriv.h"
11#include "include/core/SkGraphics.h"
12#include "include/core/SkPath.h"
13#include "include/core/SkRegion.h"
14#include "include/core/SkShader.h"
15#include "include/core/SkTime.h"
16#include "include/core/SkTypeface.h"
17#include "include/effects/SkGradientShader.h"
18#include "include/utils/SkRandom.h"
19#include "samplecode/Sample.h"
20#include "src/core/SkBlurMask.h"
21#include "src/effects/SkEmbossMaskFilter.h"
22#include "src/utils/SkUTF.h"
23
24class EmbossView : public Sample {
25    SkEmbossMaskFilter::Light   fLight;
26public:
27    EmbossView() {
28        fLight.fDirection[0] = SK_Scalar1;
29        fLight.fDirection[1] = SK_Scalar1;
30        fLight.fDirection[2] = SK_Scalar1;
31        fLight.fAmbient = 128;
32        fLight.fSpecular = 16*2;
33    }
34
35protected:
36    SkString name() override { return SkString("Emboss"); }
37
38    void onDrawContent(SkCanvas* canvas) override {
39        SkPaint paint;
40
41        paint.setAntiAlias(true);
42        paint.setStyle(SkPaint::kStroke_Style);
43        paint.setStrokeWidth(SkIntToScalar(10));
44        paint.setMaskFilter(SkEmbossMaskFilter::Make(SkBlurMask::ConvertRadiusToSigma(4), fLight));
45        paint.setShader(SkShaders::Color(SK_ColorBLUE));
46        paint.setDither(true);
47
48        canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
49                           SkIntToScalar(30), paint);
50    }
51
52private:
53
54    using INHERITED = Sample;
55};
56
57//////////////////////////////////////////////////////////////////////////////
58
59DEF_SAMPLE( return new EmbossView(); )
60