c0132ffa64
- plumb a RenderContext RenderNode::render() argument to track pending
opacity
- defer opacity application until we can determine whether a layer is
required (group with multiple children) or the opacity can be pushed
onto the draw paint (for single/atomic draws)
Bug: skia:
Change-Id: I962ba08bad780395d5d738307bde986e9efa502b
Reviewed-on: https://skia-review.googlesource.com/146445
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
48 lines
1023 B
C++
48 lines
1023 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 SkSGGroup_DEFINED
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#define SkSGGroup_DEFINED
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#include "SkSGRenderNode.h"
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#include "SkTArray.h"
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#include "SkTo.h"
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namespace sksg {
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/**
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* Concrete node, grouping together multiple descendants.
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*/
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class Group : public RenderNode {
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public:
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static sk_sp<Group> Make() {
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return sk_sp<Group>(new Group());
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}
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void addChild(sk_sp<RenderNode>);
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void removeChild(const sk_sp<RenderNode>&);
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size_t size() const { return SkTo<size_t>(fChildren.count()); }
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bool empty() const { return fChildren.empty(); }
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protected:
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Group();
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~Group() 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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private:
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SkTArray<sk_sp<RenderNode>, true> fChildren;
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typedef RenderNode INHERITED;
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};
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} // namespace sksg
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#endif // SkSGGroup_DEFINED
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