| /* |
| * 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 sk_sp<SkImageFilter> MakeDistantLitDiffuse(const SkPoint3& direction, |
| SkColor lightColor, SkScalar surfaceScale, SkScalar kd, |
| sk_sp<SkImageFilter> input, const CropRect* cropRect = nullptr); |
| static sk_sp<SkImageFilter> MakePointLitDiffuse(const SkPoint3& location, |
| SkColor lightColor, SkScalar surfaceScale, SkScalar kd, |
| sk_sp<SkImageFilter> input, const CropRect* cropRect = nullptr); |
| static sk_sp<SkImageFilter> MakeSpotLitDiffuse(const SkPoint3& location, |
| const SkPoint3& target, SkScalar specularExponent, SkScalar cutoffAngle, |
| SkColor lightColor, SkScalar surfaceScale, SkScalar kd, |
| sk_sp<SkImageFilter> input, const CropRect* cropRect = nullptr); |
| static sk_sp<SkImageFilter> MakeDistantLitSpecular(const SkPoint3& direction, |
| SkColor lightColor, SkScalar surfaceScale, SkScalar ks, |
| SkScalar shininess, sk_sp<SkImageFilter> input, const CropRect* cropRect = nullptr); |
| static sk_sp<SkImageFilter> MakePointLitSpecular(const SkPoint3& location, |
| SkColor lightColor, SkScalar surfaceScale, SkScalar ks, |
| SkScalar shininess, sk_sp<SkImageFilter> input, const CropRect* cropRect = nullptr); |
| static sk_sp<SkImageFilter> MakeSpotLitSpecular(const SkPoint3& location, |
| const SkPoint3& target, SkScalar specularExponent, SkScalar cutoffAngle, |
| SkColor lightColor, SkScalar surfaceScale, SkScalar ks, |
| SkScalar shininess, sk_sp<SkImageFilter> input, const CropRect* cropRect = nullptr); |
| ~SkLightingImageFilter() override; |
| |
| static void RegisterFlattenables(); |
| |
| protected: |
| SkLightingImageFilter(sk_sp<SkImageFilterLight> light, |
| SkScalar surfaceScale, |
| sk_sp<SkImageFilter> input, |
| const CropRect* cropRect); |
| void flatten(SkWriteBuffer&) const override; |
| const SkImageFilterLight* light() const { return fLight.get(); } |
| inline sk_sp<const SkImageFilterLight> refLight() const; |
| SkScalar surfaceScale() const { return fSurfaceScale; } |
| bool affectsTransparentBlack() const override { return true; } |
| |
| private: |
| sk_sp<SkImageFilterLight> fLight; |
| SkScalar fSurfaceScale; |
| |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| #endif |