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 24 class EmbossView : public Sample { 25 SkEmbossMaskFilter::Light fLight; 26 public: EmbossView()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 35 protected: name()36 SkString name() override { return SkString("Emboss"); } 37 onDrawContent(SkCanvas * canvas)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 52 private: 53 54 using INHERITED = Sample; 55 }; 56 57 ////////////////////////////////////////////////////////////////////////////// 58 59 DEF_SAMPLE( return new EmbossView(); ) 60