127 lines
5.5 KiB
C++
127 lines
5.5 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
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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 QAV_GRAPHICSITEMRENDERER_H
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#define QAV_GRAPHICSITEMRENDERER_H
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#define REMOVE_GRAPHIC_ITEM_RENDERER 1
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#if !(REMOVE_GRAPHIC_ITEM_RENDERER)
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#include "global.h"
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#include "../QPainterRenderer.h"
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#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
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#include <QtWidgets/QGraphicsWidget>
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#else
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#include <QtGui/QGraphicsWidget>
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#endif
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//QGraphicsWidget will lose focus forever if TextItem inserted text. Why?
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#define CONFIG_GRAPHICSWIDGET 0
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#if CONFIG_GRAPHICSWIDGET
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#define GraphicsWidget QGraphicsWidget
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#else
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#define GraphicsWidget QGraphicsObject
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#endif
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namespace FAV {
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class GraphicsItemRendererPrivate;
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class Q_AVWIDGETS_EXPORT GraphicsItemRenderer : public GraphicsWidget, public QPainterRenderer
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{
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Q_OBJECT
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DPTR_DECLARE_PRIVATE(GraphicsItemRenderer)
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Q_PROPERTY(bool opengl READ isOpenGL WRITE setOpenGL NOTIFY openGLChanged)
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Q_PROPERTY(qreal brightness READ brightness WRITE setBrightness NOTIFY brightnessChanged)
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Q_PROPERTY(qreal contrast READ contrast WRITE setContrast NOTIFY contrastChanged)
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Q_PROPERTY(qreal hue READ hue WRITE setHue NOTIFY hueChanged)
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Q_PROPERTY(qreal saturation READ saturation WRITE setSaturation NOTIFY saturationChanged)
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Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor NOTIFY backgroundColorChanged)
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Q_PROPERTY(QRectF regionOfInterest READ regionOfInterest WRITE setRegionOfInterest NOTIFY regionOfInterestChanged)
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Q_PROPERTY(qreal sourceAspectRatio READ sourceAspectRatio NOTIFY sourceAspectRatioChanged)
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Q_PROPERTY(qreal outAspectRatio READ outAspectRatio WRITE setOutAspectRatio NOTIFY outAspectRatioChanged)
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//fillMode
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// TODO: how to use enums in base class as property or Q_ENUM
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Q_PROPERTY(OutAspectRatioMode outAspectRatioMode READ outAspectRatioMode WRITE setOutAspectRatioMode NOTIFY outAspectRatioModeChanged)
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Q_ENUMS(OutAspectRatioMode)
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Q_PROPERTY(int orientation READ orientation WRITE setOrientation NOTIFY orientationChanged)
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Q_PROPERTY(QRect videoRect READ videoRect NOTIFY videoRectChanged)
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Q_PROPERTY(QSize videoFrameSize READ videoFrameSize NOTIFY videoFrameSizeChanged)
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Q_ENUMS(Quality)
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public:
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GraphicsItemRenderer(QGraphicsItem * parent = 0);
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VideoRendererId id() const Q_DECL_OVERRIDE;
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bool isSupported(VideoFormat::PixelFormat pixfmt) const Q_DECL_OVERRIDE;
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QRectF boundingRect() const Q_DECL_OVERRIDE;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) Q_DECL_OVERRIDE;
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QGraphicsItem* graphicsItem() Q_DECL_OVERRIDE { return this; }
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/*!
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* \brief isOpenGL
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* true: user set to enabling opengl renderering. if viewport is not GLWidget, nothing will be rendered
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* false: otherwise. opengl resources in QtAV (e.g. shader manager) will be released later
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*/
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bool isOpenGL() const;
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void setOpenGL(bool o);
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OpenGLVideo* opengl() const Q_DECL_OVERRIDE;
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Q_SIGNALS:
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void sourceAspectRatioChanged(qreal value) Q_DECL_OVERRIDE Q_DECL_FINAL;
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void regionOfInterestChanged() Q_DECL_OVERRIDE;
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void outAspectRatioChanged() Q_DECL_OVERRIDE;
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void outAspectRatioModeChanged() Q_DECL_OVERRIDE;
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void brightnessChanged(qreal value) Q_DECL_OVERRIDE;
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void contrastChanged(qreal) Q_DECL_OVERRIDE;
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void hueChanged(qreal) Q_DECL_OVERRIDE;
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void saturationChanged(qreal) Q_DECL_OVERRIDE;
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void backgroundColorChanged() Q_DECL_OVERRIDE;
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void orientationChanged() Q_DECL_OVERRIDE;
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void videoRectChanged() Q_DECL_OVERRIDE;
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void videoFrameSizeChanged() Q_DECL_OVERRIDE;
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void openGLChanged();
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protected:
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GraphicsItemRenderer(GraphicsItemRendererPrivate& d, QGraphicsItem *parent);
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bool receiveFrame(const VideoFrame& frame) Q_DECL_OVERRIDE;
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void drawBackground() Q_DECL_OVERRIDE;
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//draw the current frame using the current paint engine. called by paintEvent()
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void drawFrame() Q_DECL_OVERRIDE;
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#if CONFIG_GRAPHICSWIDGET
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bool event(QEvent *event) Q_DECL_OVERRIDE;
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#else
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//bool sceneEvent(QEvent *event) Q_DECL_OVERRIDE;
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#endif //CONFIG_GRAPHICSWIDGET
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private:
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void onSetOutAspectRatioMode(OutAspectRatioMode mode) Q_DECL_OVERRIDE;
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void onSetOutAspectRatio(qreal ratio) Q_DECL_OVERRIDE;
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bool onSetOrientation(int value) Q_DECL_OVERRIDE;
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bool onSetBrightness(qreal b) Q_DECL_OVERRIDE;
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bool onSetContrast(qreal c) Q_DECL_OVERRIDE;
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bool onSetHue(qreal h) Q_DECL_OVERRIDE;
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bool onSetSaturation(qreal s) Q_DECL_OVERRIDE;
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};
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typedef GraphicsItemRenderer VideoRendererGraphicsItem;
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}
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#endif // QAV_GRAPHICSITEMRENDERER_H
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#endif // if !(REMOVE_GRAPHIC_ITEM_RENDERER)
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