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wang-bin
65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV (from 2013)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#ifndef QTAV_EXAMPLE_SIMPLEFILTER_H
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#define QTAV_EXAMPLE_SIMPLEFILTER_H
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#include <QtAV/Filter.h>
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#include <QtCore/QElapsedTimer>
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#include <QtGui/QMatrix4x4>
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namespace QtAV {
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class SimpleFilter : public VideoFilter
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{
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Q_OBJECT
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public:
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SimpleFilter(QObject *parent = 0);
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virtual ~SimpleFilter();
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void enableRotate(bool r);
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void enableWaveEffect(bool w);
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bool isSupported(VideoFilterContext::Type ct) const {
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return ct == VideoFilterContext::QtPainter || ct == VideoFilterContext::X11;
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}
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void setText(const QString& text);
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QString text() const;
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//show image if text is null
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void setImage(const QImage& img);
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void prepare();
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protected:
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virtual void process(Statistics* statistics, VideoFrame* frame);
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virtual void timerEvent(QTimerEvent *);
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private:
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bool mCanRot;
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bool mWave;
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QElapsedTimer mTime;
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qreal mStartValue;
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QString mText;
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QMatrix4x4 mMat;
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QImage mImage;
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};
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} //namespace QtAV
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#endif // QTAV_EXAMPLE_SIMPLEFILTER_H
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