Qwt User's Guide: qwt_plot_svgitem.h Source File

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# qwt_plot_svgitem.h

    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_PLOT_SVGITEM_H
    00011 #define QWT_PLOT_SVGITEM_H
    00012
    00013 #include <qglobal.h>
    00014
    00015 #include <qstring.h>
    00016 #include "qwt_double_rect.h"
    00017 #include "qwt_plot_item.h"
    00018
    00019 #if QT_VERSION >= 0x040100
    00020 class QSvgRenderer;
    00021 class QByteArray;
    00022 #endif
    00023
    00031 class QWT_EXPORT QwtPlotSvgItem: public QwtPlotItem
    00032 {
    00033 public:
    00034     explicit QwtPlotSvgItem(const QString& title = QString::null );
    00035     explicit QwtPlotSvgItem(const QwtText& title );
    00036     virtual ~QwtPlotSvgItem();
    00037
    00038     bool loadFile(const QwtDoubleRect&, const QString &fileName);
    00039     bool loadData(const QwtDoubleRect&, const QByteArray &);
    00040
    00041     virtual QwtDoubleRect boundingRect() const;
    00042
    00043     virtual void draw(QPainter *p,
    00044         const QwtScaleMap &xMap, const QwtScaleMap &yMap,
    00045         const QRect &rect) const;
    00046
    00047     virtual int rtti() const;
    00048
    00049 protected:
    00050 #if QT_VERSION >= 0x040100
    00051     const QSvgRenderer &renderer() const;
    00052     QSvgRenderer &renderer();
    00053 #endif
    00054
    00055     void render(QPainter *painter,
    00056         const QwtDoubleRect &viewBox, const QRect &rect) const;
    00057     QwtDoubleRect viewBox(const QwtDoubleRect &area) const;
    00058
    00059 private:
    00060     void init();
    00061
    00062     class PrivateData;
    00063     PrivateData *d_data;
    00064 };
    00065
    00066 #endif