QT5 -- remove old qwt

qwt/examples/spectrogram/plot.cpp

@@ -1,158 +0,0 @@
-#include <qprinter.h>
-#include <qprintdialog.h>
-#include <qwt_color_map.h>
-#include <qwt_plot_spectrogram.h>
-#include <qwt_scale_widget.h>
-#include <qwt_scale_draw.h>
-#include <qwt_plot_zoomer.h>
-#include <qwt_plot_panner.h>
-#include <qwt_plot_layout.h>
-#include <qwt_plot_renderer.h>
-#include "plot.h"
-
-class MyZoomer: public QwtPlotZoomer
-{
-public:
-    MyZoomer(QwtPlotCanvas *canvas):
-        QwtPlotZoomer(canvas)
-    {
-        setTrackerMode(AlwaysOn);
-    }
-
-    virtual QwtText trackerTextF(const QPointF &pos) const
-    {
-        QColor bg(Qt::white);
-        bg.setAlpha(200);
-
-        QwtText text = QwtPlotZoomer::trackerTextF(pos);
-        text.setBackgroundBrush( QBrush( bg ));
-        return text;
-    }
-};
-
-class SpectrogramData: public QwtRasterData
-{
-public:
-    SpectrogramData()
-    {
-        setInterval( Qt::XAxis, QwtInterval( -1.5, 1.5 ) );
-        setInterval( Qt::YAxis, QwtInterval( -1.5, 1.5 ) );
-        setInterval( Qt::ZAxis, QwtInterval( 0.0, 10.0 ) );
-    }
-
-    virtual double value(double x, double y) const
-    {
-        const double c = 0.842;
-
-        const double v1 = x * x + (y-c) * (y+c);
-        const double v2 = x * (y+c) + x * (y+c);
-
-        return 1.0 / (v1 * v1 + v2 * v2);
-    }
-};
-
-class ColorMap: public QwtLinearColorMap
-{
-public:
-    ColorMap():
-        QwtLinearColorMap(Qt::darkCyan, Qt::red)
-    {
-        addColorStop(0.1, Qt::cyan);
-        addColorStop(0.6, Qt::green);
-        addColorStop(0.95, Qt::yellow);
-    }
-};
-
-Plot::Plot(QWidget *parent):
-    QwtPlot(parent)
-{
-    d_spectrogram = new QwtPlotSpectrogram();
-    d_spectrogram->setRenderThreadCount(0); // use system specific thread count
-
-    d_spectrogram->setColorMap(new ColorMap());
-
-    d_spectrogram->setData(new SpectrogramData());
-    d_spectrogram->attach(this);
-
-    QList<double> contourLevels;
-    for ( double level = 0.5; level < 10.0; level += 1.0 )
-        contourLevels += level;
-    d_spectrogram->setContourLevels(contourLevels);
-
-    const QwtInterval zInterval = d_spectrogram->data()->interval( Qt::ZAxis );
-    // A color bar on the right axis
-    QwtScaleWidget *rightAxis = axisWidget(QwtPlot::yRight);
-    rightAxis->setTitle("Intensity");
-    rightAxis->setColorBarEnabled(true);
-    rightAxis->setColorMap( zInterval, new ColorMap());
-
-    setAxisScale(QwtPlot::yRight, zInterval.minValue(), zInterval.maxValue() );
-    enableAxis(QwtPlot::yRight);
-
-    plotLayout()->setAlignCanvasToScales(true);
-    replot();
-
-    // LeftButton for the zooming
-    // MidButton for the panning
-    // RightButton: zoom out by 1
-    // Ctrl+RighButton: zoom out to full size
-
-    QwtPlotZoomer* zoomer = new MyZoomer(canvas());
-    zoomer->setMousePattern(QwtEventPattern::MouseSelect2,
-        Qt::RightButton, Qt::ControlModifier);
-    zoomer->setMousePattern(QwtEventPattern::MouseSelect3,
-        Qt::RightButton);
-
-    QwtPlotPanner *panner = new QwtPlotPanner(canvas());
-    panner->setAxisEnabled(QwtPlot::yRight, false);
-    panner->setMouseButton(Qt::MidButton);
-
-    // Avoid jumping when labels with more/less digits
-    // appear/disappear when scrolling vertically
-
-    const QFontMetrics fm(axisWidget(QwtPlot::yLeft)->font());
-    QwtScaleDraw *sd = axisScaleDraw(QwtPlot::yLeft);
-    sd->setMinimumExtent( fm.width("100.00") );
-
-    const QColor c(Qt::darkBlue);
-    zoomer->setRubberBandPen(c);
-    zoomer->setTrackerPen(c);
-}
-
-void Plot::showContour(bool on)
-{
-    d_spectrogram->setDisplayMode(QwtPlotSpectrogram::ContourMode, on);
-    replot();
-}
-
-void Plot::showSpectrogram(bool on)
-{
-    d_spectrogram->setDisplayMode(QwtPlotSpectrogram::ImageMode, on);
-    d_spectrogram->setDefaultContourPen(on ? QPen() : QPen(Qt::NoPen));
-    replot();
-}
-
-#ifndef QT_NO_PRINTER
-
-void Plot::printPlot()
-{
-#if 1
-    QPrinter printer;
-#else
-    QPrinter printer(QPrinter::HighResolution);
-#endif
-    printer.setOrientation(QPrinter::Landscape);
-    printer.setOutputFileName("spectrogram.pdf");
-    QPrintDialog dialog(&printer);
-    if ( dialog.exec() )
-    {
-        QwtPlotRenderer renderer;
-
-        renderer.setDiscardFlag(QwtPlotRenderer::DiscardBackground, false);
-        renderer.setLayoutFlag(QwtPlotRenderer::KeepFrames, true);
-
-        renderer.renderTo(this, printer);
-    }
-}
-
-#endif