1 2 /* 3 * Copyright 2006 The Android Open Source Project 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 10 #ifndef SkEmbossMaskFilter_DEFINED 11 #define SkEmbossMaskFilter_DEFINED 12 13 #include "SkMaskFilter.h" 14 15 /** \class SkEmbossMaskFilter 16 17 This mask filter creates a 3D emboss look, by specifying a light and blur amount. 18 */ 19 class SkEmbossMaskFilter : public SkMaskFilter { 20 public: 21 struct Light { 22 SkScalar fDirection[3]; // x,y,z 23 uint16_t fPad; 24 uint8_t fAmbient; 25 uint8_t fSpecular; // exponent, 4.4 right now 26 }; 27 28 SkEmbossMaskFilter(const Light& light, SkScalar blurRadius); 29 30 // overrides from SkMaskFilter 31 // This method is not exported to java. 32 virtual SkMask::Format getFormat(); 33 // This method is not exported to java. 34 virtual bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix&, 35 SkIPoint* margin); 36 37 // overrides from SkFlattenable 38 39 // This method is not exported to java. 40 virtual Factory getFactory(); 41 // This method is not exported to java. 42 virtual void flatten(SkFlattenableWriteBuffer&); 43 44 SK_DECLARE_FLATTENABLE_REGISTRAR() 45 46 protected: 47 SkEmbossMaskFilter(SkFlattenableReadBuffer&); 48 49 private: 50 Light fLight; 51 SkScalar fBlurRadius; 52 53 static SkFlattenable* CreateProc(SkFlattenableReadBuffer&); 54 55 typedef SkMaskFilter INHERITED; 56 }; 57 58 #endif 59 60
