示例#1
0
void QwtPolarRenderer::renderTitle( QPainter *painter, const QRectF &rect ) const
{
    QwtTextLabel *title = d_data->plot->titleLabel();

    painter->setFont( title->font() );

    const QColor color = title->palette().color(
        QPalette::Active, QPalette::Text );

    painter->setPen( color );
    title->text().draw( painter, rect );
}
示例#2
0
void SetWPDlg::on_knob_sliderMoved(double value) {
#if 0
    QwtKnob *p = ui->knob;
    QwtTextLabel *l = ui->TextLabel;
    if(p != NULL && l != NULL) {
        QwtText txt;
        txt = QString::number(value);
        l->setText(txt);
        p->setValue(value);
    } else {
        QMessageBox::warning(this, "fsadsa", "fdsfsda", QMessageBox::Yes);
    }
#endif
}
/*! 
   Reset color and fonts of a plot
   \sa apply()
*/
void QwtPlotPrintFilter::reset(QwtPlot *plot) const
{
    if ( d_data->cache == 0 )
        return;

    const bool doAutoReplot = plot->autoReplot();
    plot->setAutoReplot(false);

    const PrivateData::Cache &cache = *d_data->cache;

    if ( plot->titleLabel() )
    {
        QwtTextLabel* title = plot->titleLabel();
        if ( title->text().testPaintAttribute(QwtText::PaintUsingTextFont) )
        {
            QwtText text = title->text();
            text.setColor(cache.titleColor);
            title->setText(text);
        }
        else
        {
            QPalette palette = title->palette();
            palette.setColor(
                QPalette::Active, Palette::Text, cache.titleColor);
            title->setPalette(palette);
        }

        if ( title->text().testPaintAttribute(QwtText::PaintUsingTextFont) )
        {
            QwtText text = title->text();
            text.setFont(cache.titleFont);
            title->setText(text);
        }
        else
        {
            title->setFont(cache.titleFont);
        }
    }

    if ( plot->legend() )
    {
#if QT_VERSION < 0x040000
        QValueList<QWidget *> list = plot->legend()->legendItems();
        for ( QValueListIterator<QWidget *> it = list.begin();
            it != list.end(); ++it )
#else
        QList<QWidget *> list = plot->legend()->legendItems();
        for ( QList<QWidget*>::iterator it = list.begin();
            it != list.end(); ++it )
#endif
        {
            QWidget *w = *it;

            if ( cache.legendFonts.contains(w) )
                w->setFont(cache.legendFonts[w]);

            if ( w->inherits("QwtLegendItem") )
            {
                QwtLegendItem *label = (QwtLegendItem *)w;
                const QwtPlotItem *plotItem = 
                    (const QwtPlotItem*)plot->legend()->find(label);

                QwtSymbol symbol = label->symbol();
                if ( cache.curveSymbolPenColors.contains(plotItem) )
                {
                    QPen pen = symbol.pen();
                    pen.setColor(cache.curveSymbolPenColors[plotItem]);
                    symbol.setPen(pen);
                }

                if ( cache.curveSymbolBrushColors.contains(plotItem) )
                {
                    QBrush brush = symbol.brush();
                    brush.setColor(cache.curveSymbolBrushColors[plotItem]);
                    symbol.setBrush(brush);
                }
                label->setSymbol(symbol);

                if ( cache.curveColors.contains(plotItem) )
                {
                    QPen pen = label->curvePen();
                    pen.setColor(cache.curveColors[plotItem]);
                    label->setCurvePen(pen);
                }
            }
        }
    }
    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        QwtScaleWidget *scaleWidget = plot->axisWidget(axis);
        if ( scaleWidget )
        {
            QPalette palette = scaleWidget->palette();
            palette.setColor(QPalette::Active, Palette::Foreground,
                             cache.scaleColor[axis]);
            scaleWidget->setPalette(palette);

            scaleWidget->setFont(cache.scaleFont[axis]);
            scaleWidget->setTitle(cache.scaleTitle[axis]);

            int startDist, endDist;
            scaleWidget->getBorderDistHint(startDist, endDist);
            scaleWidget->setBorderDist(startDist, endDist);
        }
    }

    if ( hasBackgroundColor(plot) )
    {
        QPalette p = plot->palette();
        p.setColor(QPalette::Active, Palette::Background, cache.widgetBackground);
        plot->setPalette(p);
    }

    if ( hasBackgroundColor(plot->canvas()) )
    {
        plot->setCanvasBackground(cache.canvasBackground);
    }
   
    const QwtPlotItemList& itmList = plot->itemList();
    for ( QwtPlotItemIterator it = itmList.begin();
        it != itmList.end(); ++it )
    {
        reset(*it);
    }

    delete d_data->cache;
    d_data->cache = 0;

    plot->setAutoReplot(doAutoReplot);
}