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/*
* Copyright 2012 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkLightingImageFilter_DEFINED
#define SkLightingImageFilter_DEFINED
#include "SkImageFilter.h"
#include "SkColor.h"
class SkImageFilterLight;
struct SkPoint3;
class SK_API SkLightingImageFilter : public SkImageFilter {
public:
static SkImageFilter* CreateDistantLitDiffuse(const SkPoint3& direction,
SkColor lightColor, SkScalar surfaceScale, SkScalar kd,
SkImageFilter* input = NULL, const CropRect* cropRect = NULL);
static SkImageFilter* CreatePointLitDiffuse(const SkPoint3& location,
SkColor lightColor, SkScalar surfaceScale, SkScalar kd,
SkImageFilter* input = NULL, const CropRect* cropRect = NULL);
static SkImageFilter* CreateSpotLitDiffuse(const SkPoint3& location,
const SkPoint3& target, SkScalar specularExponent, SkScalar cutoffAngle,
SkColor lightColor, SkScalar surfaceScale, SkScalar kd,
SkImageFilter* input = NULL, const CropRect* cropRect = NULL);
static SkImageFilter* CreateDistantLitSpecular(const SkPoint3& direction,
SkColor lightColor, SkScalar surfaceScale, SkScalar ks,
SkScalar shininess, SkImageFilter* input = NULL, const CropRect* cropRect = NULL);
static SkImageFilter* CreatePointLitSpecular(const SkPoint3& location,
SkColor lightColor, SkScalar surfaceScale, SkScalar ks,
SkScalar shininess, SkImageFilter* input = NULL, const CropRect* cropRect = NULL);
static SkImageFilter* CreateSpotLitSpecular(const SkPoint3& location,
const SkPoint3& target, SkScalar specularExponent, SkScalar cutoffAngle,
SkColor lightColor, SkScalar surfaceScale, SkScalar ks,
SkScalar shininess, SkImageFilter* input = NULL, const CropRect* cropRect = NULL);
~SkLightingImageFilter();
SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP()
protected:
SkLightingImageFilter(SkImageFilterLight* light,
SkScalar surfaceScale,
SkImageFilter* input,
const CropRect* cropRect);
void flatten(SkWriteBuffer&) const override;
const SkImageFilterLight* light() const { return fLight.get(); }
SkScalar surfaceScale() const { return fSurfaceScale; }
bool canComputeFastBounds() const override { return false; }
private:
typedef SkImageFilter INHERITED;
SkAutoTUnref<SkImageFilterLight> fLight;
SkScalar fSurfaceScale;
};
#endif
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