first commit

2026-02-21 17:11:31 +09:00
commit 18b4338361
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--- a/project/fm_viewer/fav/widget/GraphicsItemRenderer.h
+++ b/project/fm_viewer/fav/widget/GraphicsItemRenderer.h
@@ -0,0 +1,126 @@
+/******************************************************************************
+    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 QAV_GRAPHICSITEMRENDERER_H
+#define QAV_GRAPHICSITEMRENDERER_H
+
+#define REMOVE_GRAPHIC_ITEM_RENDERER 1
+#if !(REMOVE_GRAPHIC_ITEM_RENDERER)
+
+#include "global.h"
+#include "../QPainterRenderer.h"
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+#include <QtWidgets/QGraphicsWidget>
+#else
+#include <QtGui/QGraphicsWidget>
+#endif
+
+//QGraphicsWidget will lose focus forever if TextItem inserted text. Why?
+#define CONFIG_GRAPHICSWIDGET 0
+#if CONFIG_GRAPHICSWIDGET
+#define GraphicsWidget QGraphicsWidget
+#else
+#define GraphicsWidget QGraphicsObject
+#endif
+
+namespace FAV {
+
+class GraphicsItemRendererPrivate;
+class Q_AVWIDGETS_EXPORT GraphicsItemRenderer : public GraphicsWidget, public QPainterRenderer
+{
+    Q_OBJECT
+    DPTR_DECLARE_PRIVATE(GraphicsItemRenderer)
+    Q_PROPERTY(bool opengl READ isOpenGL WRITE setOpenGL NOTIFY openGLChanged)
+    Q_PROPERTY(qreal brightness READ brightness WRITE setBrightness NOTIFY brightnessChanged)
+    Q_PROPERTY(qreal contrast READ contrast WRITE setContrast NOTIFY contrastChanged)
+    Q_PROPERTY(qreal hue READ hue WRITE setHue NOTIFY hueChanged)
+    Q_PROPERTY(qreal saturation READ saturation WRITE setSaturation NOTIFY saturationChanged)
+    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:
+    GraphicsItemRenderer(QGraphicsItem * parent = 0);
+    VideoRendererId id() const Q_DECL_OVERRIDE;
+    bool isSupported(VideoFormat::PixelFormat pixfmt) const Q_DECL_OVERRIDE;
+
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) Q_DECL_OVERRIDE;
+    QGraphicsItem* graphicsItem() Q_DECL_OVERRIDE { return this; }
+
+    /*!
+     * \brief isOpenGL
+     * true: user set to enabling opengl renderering. if viewport is not GLWidget, nothing will be rendered
+     * false: otherwise. opengl resources in QtAV (e.g. shader manager) will be released later
+     */
+    bool isOpenGL() const;
+    void setOpenGL(bool o);
+
+    OpenGLVideo* opengl() const Q_DECL_OVERRIDE;
+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;
+    void openGLChanged();
+protected:
+    GraphicsItemRenderer(GraphicsItemRendererPrivate& d, QGraphicsItem *parent);
+
+    bool receiveFrame(const VideoFrame& frame) Q_DECL_OVERRIDE;
+    void drawBackground() Q_DECL_OVERRIDE;
+    //draw the current frame using the current paint engine. called by paintEvent()
+    void drawFrame() Q_DECL_OVERRIDE;
+#if CONFIG_GRAPHICSWIDGET
+    bool event(QEvent *event) Q_DECL_OVERRIDE;
+#else
+    //bool sceneEvent(QEvent *event) Q_DECL_OVERRIDE;
+#endif //CONFIG_GRAPHICSWIDGET
+
+private:
+    void onSetOutAspectRatioMode(OutAspectRatioMode mode) Q_DECL_OVERRIDE;
+    void onSetOutAspectRatio(qreal ratio) Q_DECL_OVERRIDE;
+    bool onSetOrientation(int value) Q_DECL_OVERRIDE;
+    bool onSetBrightness(qreal b) Q_DECL_OVERRIDE;
+    bool onSetContrast(qreal c) Q_DECL_OVERRIDE;
+    bool onSetHue(qreal h) Q_DECL_OVERRIDE;
+    bool onSetSaturation(qreal s) Q_DECL_OVERRIDE;
+};
+typedef GraphicsItemRenderer VideoRendererGraphicsItem;
+}
+
+#endif // QAV_GRAPHICSITEMRENDERER_H
+#endif // if !(REMOVE_GRAPHIC_ITEM_RENDERER)