1f43a4359d
Introduce the machinery required for general image filters in SkSG + a concrete drop shadow image filter effect. Wire it all up with Skottie to support drop-shadow layer effects. Change-Id: I98e9669852f58ba6481439a7fda4a56ec6c59b8a Reviewed-on: https://skia-review.googlesource.com/c/190426 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Florin Malita <fmalita@chromium.org>
41 lines
878 B
C++
41 lines
878 B
C++
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkSGEffectNode_DEFINED
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#define SkSGEffectNode_DEFINED
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#include "SkSGRenderNode.h"
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namespace sksg {
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/**
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* Base class for nodes which apply some transformation when rendering
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* their descendants.
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*
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* This includes transforms, clipping, filters, etc.
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*/
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class EffectNode : public RenderNode {
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protected:
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explicit EffectNode(sk_sp<RenderNode>);
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~EffectNode() override;
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void onRender(SkCanvas*, const RenderContext*) const override;
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SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
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const sk_sp<RenderNode>& getChild() const { return fChild; }
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private:
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sk_sp<RenderNode> fChild;
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typedef RenderNode INHERITED;
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};
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} // namespace sksg
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#endif // SkSGEffectNode_DEFINED
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