plotjuggler: qwt_null_paintdevice.h Source File

Go to the documentation of this file.
00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 #ifndef QWT_NULL_PAINT_DEVICE_H
00011 #define QWT_NULL_PAINT_DEVICE_H 1
00012 
00013 #include "qwt_global.h"
00014 #include <qpaintdevice.h>
00015 #include <qpaintengine.h>
00016 
00031 class QWT_EXPORT QwtNullPaintDevice: public QPaintDevice
00032 {
00033 public:
00039     enum Mode
00040     {
00045         NormalMode, 
00046 
00057         PolygonPathMode,
00058 
00068         PathMode
00069     };
00070 
00071     QwtNullPaintDevice();
00072     virtual ~QwtNullPaintDevice();
00073 
00074     void setMode( Mode );
00075     Mode mode() const;
00076 
00077     virtual QPaintEngine *paintEngine() const;
00078 
00079     virtual int metric( PaintDeviceMetric metric ) const;
00080 
00081     virtual void drawRects(const QRect *, int );
00082     virtual void drawRects(const QRectF *, int );
00083 
00084     virtual void drawLines(const QLine *, int );
00085     virtual void drawLines(const QLineF *, int );
00086 
00087     virtual void drawEllipse(const QRectF &);
00088     virtual void drawEllipse(const QRect &);
00089 
00090     virtual void drawPath(const QPainterPath &);
00091 
00092     virtual void drawPoints(const QPointF *, int );
00093     virtual void drawPoints(const QPoint *, int );
00094 
00095     virtual void drawPolygon(
00096         const QPointF *, int , QPaintEngine::PolygonDrawMode );
00097 
00098     virtual void drawPolygon(
00099         const QPoint *, int , QPaintEngine::PolygonDrawMode );
00100 
00101     virtual void drawPixmap(const QRectF &,
00102         const QPixmap &, const QRectF &);
00103 
00104     virtual void drawTextItem(const QPointF &, const QTextItem &);
00105 
00106     virtual void drawTiledPixmap(const QRectF &,
00107         const QPixmap &, const QPointF &s);
00108 
00109     virtual void drawImage(const QRectF &,
00110         const QImage &, const QRectF &, Qt::ImageConversionFlags );
00111 
00112     virtual void updateState( const QPaintEngineState &state );
00113 
00114 protected:
00116     virtual QSize sizeMetrics() const = 0;
00117 
00118 private:
00119     class PaintEngine;
00120     PaintEngine *d_engine;
00121 
00122     class PrivateData;
00123     PrivateData *d_data;
00124 };
00125 
00126 #endif