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