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fmviewer3/project/fm_viewer/fav/widget/WidgetRenderer.h
2026-02-21 17:11:31 +09:00

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/******************************************************************************
QtAV: Multimedia framework based on Qt and FFmpeg
Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
* This file is part of QtAV
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
******************************************************************************/
#ifndef QTAV_WIDGETRENDERER_H
#define QTAV_WIDGETRENDERER_H
#include "global.h"
#include "../QPainterRenderer.h"
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
#include <QtWidgets/QWidget>
#else
#include <QtGui/QWidget>
#endif
namespace FAV {
class WidgetRendererPrivate;
class Q_AVWIDGETS_EXPORT WidgetRenderer : public QWidget, public QPainterRenderer
{
Q_OBJECT
DPTR_DECLARE_PRIVATE(WidgetRenderer)
Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor NOTIFY backgroundColorChanged)
Q_PROPERTY(QRectF regionOfInterest READ regionOfInterest WRITE setRegionOfInterest NOTIFY regionOfInterestChanged)
Q_PROPERTY(qreal sourceAspectRatio READ sourceAspectRatio NOTIFY sourceAspectRatioChanged)
Q_PROPERTY(qreal outAspectRatio READ outAspectRatio WRITE setOutAspectRatio NOTIFY outAspectRatioChanged)
//fillMode
// TODO: how to use enums in base class as property or Q_ENUM
Q_PROPERTY(OutAspectRatioMode outAspectRatioMode READ outAspectRatioMode WRITE setOutAspectRatioMode NOTIFY outAspectRatioModeChanged)
Q_ENUMS(OutAspectRatioMode)
Q_PROPERTY(int orientation READ orientation WRITE setOrientation NOTIFY orientationChanged)
Q_PROPERTY(QRect videoRect READ videoRect NOTIFY videoRectChanged)
Q_PROPERTY(QSize videoFrameSize READ videoFrameSize NOTIFY videoFrameSizeChanged)
Q_ENUMS(Quality)
public:
explicit WidgetRenderer(QWidget *parent = 0, Qt::WindowFlags f = 0);
virtual VideoRendererId id() const Q_DECL_OVERRIDE;
virtual QWidget* widget() Q_DECL_OVERRIDE { return this; }
Q_SIGNALS:
void sourceAspectRatioChanged(qreal value) Q_DECL_OVERRIDE Q_DECL_FINAL;
void regionOfInterestChanged() Q_DECL_OVERRIDE;
void outAspectRatioChanged() Q_DECL_OVERRIDE;
void outAspectRatioModeChanged() Q_DECL_OVERRIDE;
void brightnessChanged(qreal value) Q_DECL_OVERRIDE;
void contrastChanged(qreal) Q_DECL_OVERRIDE;
void hueChanged(qreal) Q_DECL_OVERRIDE;
void saturationChanged(qreal) Q_DECL_OVERRIDE;
void backgroundColorChanged() Q_DECL_OVERRIDE;
void orientationChanged() Q_DECL_OVERRIDE;
void videoRectChanged() Q_DECL_OVERRIDE;
void videoFrameSizeChanged() Q_DECL_OVERRIDE;
QTAVWIDGETS_DEPRECATED void imageReady(); // add frameReady() in the future?
protected:
bool receiveFrame(const VideoFrame& frame) Q_DECL_OVERRIDE;
void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE;
/*usually you don't need to reimplement paintEvent, just drawXXX() is ok. unless you want do all
*things yourself totally*/
void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
bool onSetOrientation(int value) Q_DECL_OVERRIDE;
protected:
WidgetRenderer(WidgetRendererPrivate& d, QWidget *parent, Qt::WindowFlags f);
};
typedef WidgetRenderer VideoRendererWidget;
} //namespace FAV
#endif // QTAV_WIDGETRENDERER_H