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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkAmbientShadowMaskFilter_DEFINED
#define SkAmbientShadowMaskFilter_DEFINED
#include "SkMaskFilter.h"
#include "SkShadowFlags.h"
/*
* This filter implements a shadow representing ambient occlusion for an occluding object.
*/
class SK_API SkAmbientShadowMaskFilter {
public:
/** Create a shadow maskfilter.
* @param occluderHeight Height of occluding object off of ground plane.
* @param ambientAlpha Base opacity of the ambient occlusion shadow.
* @param flags Flags to use - defaults to none
* @return The new shadow maskfilter
*/
static sk_sp<SkMaskFilter> Make(SkScalar occluderHeight, SkScalar ambientAlpha,
uint32_t flags = SkShadowFlags::kNone_ShadowFlag);
SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP()
private:
SkAmbientShadowMaskFilter(); // can't be instantiated
};
#endif
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