5f240186ec
Change-Id: I022c655c3f72551ccf6d35ba013fba6461e89a5c Reviewed-on: https://skia-review.googlesource.com/c/skia/+/229389 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Florin Malita <fmalita@chromium.org>
84 lines
1.6 KiB
C++
84 lines
1.6 KiB
C++
/*
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* Copyright 2018 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 SkSGScene_DEFINED
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#define SkSGScene_DEFINED
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkTypes.h"
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#include <memory>
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#include <vector>
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class SkCanvas;
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struct SkPoint;
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namespace sksg {
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class InvalidationController;
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class RenderNode;
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/**
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* Base class for animators.
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*
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*/
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class Animator : public SkRefCnt {
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public:
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virtual ~Animator();
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Animator(const Animator&) = delete;
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Animator& operator=(const Animator&) = delete;
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void tick(float t);
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protected:
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Animator();
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virtual void onTick(float t) = 0;
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};
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using AnimatorList = std::vector<sk_sp<Animator>>;
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class GroupAnimator : public Animator {
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protected:
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explicit GroupAnimator(AnimatorList&&);
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void onTick(float t) override;
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private:
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const AnimatorList fAnimators;
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using INHERITED = Animator;
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};
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/**
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* Holds a scene root and a list of animators.
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*
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* Provides high-level mehods for driving rendering and animations.
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*
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*/
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class Scene final {
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public:
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static std::unique_ptr<Scene> Make(sk_sp<RenderNode> root, AnimatorList&& animators);
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~Scene();
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Scene(const Scene&) = delete;
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Scene& operator=(const Scene&) = delete;
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void render(SkCanvas*) const;
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void animate(float t, InvalidationController* = nullptr);
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const RenderNode* nodeAt(const SkPoint&) const;
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private:
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Scene(sk_sp<RenderNode> root, AnimatorList&& animators);
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const sk_sp<RenderNode> fRoot;
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const AnimatorList fAnimators;
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};
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} // namespace sksg
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#endif // SkSGScene_DEFINED
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