| /**************************************************************************** |
| ** |
| ** Copyright (C) 2018 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the lottie-qt module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef BATCHRENDERER_H |
| #define BATCHRENDERER_H |
| |
| #include <QHash> |
| #include <QThread> |
| #include <QMutex> |
| #include <QWaitCondition> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class BMBase; |
| class QImage; |
| class LottieAnimation; |
| |
| class BatchRenderer : public QThread |
| { |
| Q_OBJECT |
| |
| struct Entry |
| { |
| LottieAnimation* animator = nullptr; |
| BMBase *bmTreeBlueprint = nullptr; |
| int startFrame = 0; |
| int endFrame = 0; |
| int currentFrame = 0; |
| int animDir = 1; |
| QHash<int, BMBase*> frameCache; |
| }; |
| |
| public: |
| ~BatchRenderer() override; |
| |
| BatchRenderer(BatchRenderer const &) = delete; |
| void operator=(BatchRenderer const&) = delete; |
| |
| static BatchRenderer *instance(); |
| static void deleteInstance(); |
| |
| BMBase *getFrame(LottieAnimation *animator, int frameNumber); |
| |
| signals: |
| void frameReady(LottieAnimation *animator, int frameNumber); |
| |
| public slots: |
| void registerAnimator(LottieAnimation *animator); |
| void deregisterAnimator(LottieAnimation *animator); |
| |
| bool gotoFrame(LottieAnimation *animator, int frame); |
| |
| void frameRendered(LottieAnimation *animator, int frameNumber); |
| |
| protected: |
| void run() override; |
| |
| int parse(BMBase *rootElement, const QByteArray &jsonSource) const; |
| |
| void prerender(Entry *animEntry); |
| |
| private: |
| BatchRenderer(); |
| |
| void pruneFrameCache(Entry* e); |
| |
| private: |
| static BatchRenderer *m_rendererInstance; |
| |
| QMutex m_mutex; |
| QWaitCondition m_waitCondition; |
| |
| int m_cacheSize = 2; |
| QHash<LottieAnimation *, Entry *> m_animData; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // BATCHRENDERER_H |