d5148e3314
Change-Id: I62f60ea52faeebddecacf03d9429ac3f7c516b8e Reviewed-on: https://skia-review.googlesource.com/141823 Commit-Queue: Ben Wagner <bungeman@google.com> Reviewed-by: Ben Wagner <bungeman@google.com>
99 lines
2.4 KiB
C++
99 lines
2.4 KiB
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 Skottie_DEFINED
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#define Skottie_DEFINED
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#include "SkRefCnt.h"
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#include "SkSize.h"
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#include "SkString.h"
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#include "SkTypes.h"
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#include <memory>
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class SkCanvas;
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struct SkRect;
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class SkStream;
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namespace skjson { class ObjectValue; }
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namespace sksg { class Scene; }
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namespace skottie {
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class SK_API ResourceProvider {
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public:
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ResourceProvider() = default;
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virtual ~ResourceProvider() = default;
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ResourceProvider(const ResourceProvider&) = delete;
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ResourceProvider& operator=(const ResourceProvider&) = delete;
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virtual std::unique_ptr<SkStream> openStream(const char resource[]) const = 0;
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};
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class SK_API Animation : public SkRefCnt {
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public:
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struct Stats {
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float fTotalLoadTimeMS,
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fJsonParseTimeMS,
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fSceneParseTimeMS;
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size_t fJsonSize,
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fAnimatorCount;
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};
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static sk_sp<Animation> Make(SkStream*, const ResourceProvider* = nullptr, Stats* = nullptr);
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static sk_sp<Animation> MakeFromFile(const char path[], const ResourceProvider* = nullptr,
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Stats* = nullptr);
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~Animation() override;
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/**
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* Draws the current animation frame.
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*
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* @param canvas destination canvas
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* @param dst optional destination rect
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*/
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void render(SkCanvas* canvas, const SkRect* dst = nullptr) const;
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/**
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* Updates the animation state for |t|.
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*
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* @param t normalized [0..1] frame selector (0 -> first frame, 1 -> final frame)
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*
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*/
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void seek(SkScalar t);
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/**
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* Returns the animation duration in seconds.
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*/
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SkScalar duration() const {
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return (fOutPoint - fInPoint) / fFrameRate;
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}
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const SkString& version() const { return fVersion; }
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const SkSize& size() const { return fSize; }
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void setShowInval(bool show);
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private:
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Animation(const ResourceProvider&, SkString ver, const SkSize& size, SkScalar fps,
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const skjson::ObjectValue&, Stats*);
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SkString fVersion;
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SkSize fSize;
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SkScalar fFrameRate,
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fInPoint,
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fOutPoint;
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std::unique_ptr<sksg::Scene> fScene;
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typedef SkRefCnt INHERITED;
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};
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} // namespace skottie
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#endif // Skottie_DEFINED
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