55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "media/media_clip_implementation.h"
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namespace Media {
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namespace Clip {
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namespace internal {
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class QtGifReaderImplementation : public ReaderImplementation {
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public:
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QtGifReaderImplementation(FileLocation *location, QByteArray *data);
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ReadResult readFramesTill(TimeMs frameMs, TimeMs systemMs) override;
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TimeMs frameRealTime() const override;
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TimeMs framePresentationTime() const override;
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bool renderFrame(QImage &to, bool &hasAlpha, const QSize &size) override;
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TimeMs durationMs() const override;
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bool hasAudio() const override {
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return false;
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}
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bool start(Mode mode, TimeMs &positionMs) override;
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~QtGifReaderImplementation();
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private:
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bool jumpToStart();
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ReadResult readNextFrame();
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Mode _mode = Mode::Normal;
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std::unique_ptr<QImageReader> _reader;
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int _framesLeft = 0;
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TimeMs _frameRealTime = 0;
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TimeMs _frameTime = 0;
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int _frameDelay = 0;
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QImage _frame;
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};
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} // namespace internal
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} // namespace Clip
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} // namespace Media
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