1 /* 2 * Copyright 2006 The Android Open Source Project 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 #ifndef SkBlurMaskFilter_DEFINED 9 #define SkBlurMaskFilter_DEFINED 10 11 // we include this since our callers will need to at least be able to ref/unref 12 #include "SkMaskFilter.h" 13 #include "SkRect.h" 14 #include "SkScalar.h" 15 #include "SkBlurTypes.h" 16 17 class SkRRect; 18 19 class SK_API SkBlurMaskFilter { 20 public: 21 #ifdef SK_SUPPORT_LEGACY_EMBOSSMASKFILTER 22 /** Create an emboss maskfilter 23 @param blurSigma standard deviation of the Gaussian blur to apply 24 before applying lighting (e.g. 3) 25 @param direction array of 3 scalars [x, y, z] specifying the direction of the light source 26 @param ambient 0...1 amount of ambient light 27 @param specular coefficient for specular highlights (e.g. 8) 28 @return the emboss maskfilter 29 */ 30 static sk_sp<SkMaskFilter> MakeEmboss(SkScalar blurSigma, const SkScalar direction[3], 31 SkScalar ambient, SkScalar specular); 32 #endif 33 }; 34 35 #endif 36