| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef BATCHRENDERER_H |
| 5 | #define BATCHRENDERER_H |
| 6 | |
| 7 | #include <QHash> |
| 8 | #include <QThread> |
| 9 | #include <QMutex> |
| 10 | #include <QWaitCondition> |
| 11 | |
| 12 | QT_BEGIN_NAMESPACE |
| 13 | |
| 14 | class BMBase; |
| 15 | class QImage; |
| 16 | class QVersionNumber; |
| 17 | class LottieAnimation; |
| 18 | |
| 19 | class BatchRenderer : public QThread |
| 20 | { |
| 21 | Q_OBJECT |
| 22 | |
| 23 | struct Entry |
| 24 | { |
| 25 | LottieAnimation* animator = nullptr; |
| 26 | BMBase *bmTreeBlueprint = nullptr; |
| 27 | int startFrame = 0; |
| 28 | int endFrame = 0; |
| 29 | int currentFrame = 0; |
| 30 | int animDir = 1; |
| 31 | QHash<int, BMBase*> frameCache; |
| 32 | }; |
| 33 | |
| 34 | public: |
| 35 | ~BatchRenderer() override; |
| 36 | |
| 37 | BatchRenderer(BatchRenderer const &) = delete; |
| 38 | void operator=(BatchRenderer const&) = delete; |
| 39 | |
| 40 | static BatchRenderer *instance(); |
| 41 | static void deleteInstance(); |
| 42 | |
| 43 | BMBase *getFrame(LottieAnimation *animator, int frameNumber); |
| 44 | |
| 45 | signals: |
| 46 | void frameReady(LottieAnimation *animator, int frameNumber); |
| 47 | |
| 48 | public slots: |
| 49 | void registerAnimator(LottieAnimation *animator); |
| 50 | void deregisterAnimator(LottieAnimation *animator); |
| 51 | |
| 52 | bool gotoFrame(LottieAnimation *animator, int frame); |
| 53 | |
| 54 | void frameRendered(LottieAnimation *animator, int frameNumber); |
| 55 | |
| 56 | protected: |
| 57 | void run() override; |
| 58 | |
| 59 | int parse(BMBase *rootElement, const QByteArray &jsonSource, |
| 60 | const QVersionNumber &version) const; |
| 61 | |
| 62 | void prerender(Entry *animEntry); |
| 63 | |
| 64 | private: |
| 65 | BatchRenderer(); |
| 66 | |
| 67 | void pruneFrameCache(Entry* e); |
| 68 | |
| 69 | private: |
| 70 | static BatchRenderer *m_rendererInstance; |
| 71 | |
| 72 | QMutex m_mutex; |
| 73 | QWaitCondition m_waitCondition; |
| 74 | |
| 75 | int m_cacheSize = 2; |
| 76 | QHash<LottieAnimation *, Entry *> m_animData; |
| 77 | int m_lastRenderedFrame = -1; |
| 78 | }; |
| 79 | |
| 80 | QT_END_NAMESPACE |
| 81 | |
| 82 | #endif // BATCHRENDERER_H |
| 83 |