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QT5 -- remove old qwt

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Mark Liversedge
2013-12-09 10:00:50 +00:00
parent 82baf90131
commit 03d3afdf53
323 changed files with 0 additions and 70969 deletions
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182
qwt/examples/sinusplot/sinusplot.cpp
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@@ -1,182 +0,0 @@
#include <qapplication.h>
#include <qlayout.h>
#include <qwt_plot.h>
#include <qwt_plot_marker.h>
#include <qwt_plot_curve.h>
#include <qwt_legend.h>
#include <qwt_series_data.h>
#include <qwt_plot_canvas.h>
#include <qwt_plot_panner.h>
#include <qwt_plot_magnifier.h>
#include <qwt_text.h>
#include <qwt_math.h>
#include <math.h>
//-----------------------------------------------------------------
// simple.cpp
//
// A simple example which shows how to use QwtPlot connected
// to a data class without any storage, calculating each values
// on the fly.
//-----------------------------------------------------------------
class FunctionData: public QwtSyntheticPointData
{
public:
FunctionData(double(*y)(double)):
QwtSyntheticPointData(100),
d_y(y)
{
}
virtual double y(double x) const
{
return d_y(x);
}
private:
double(*d_y)(double);
};
class Plot : public QwtPlot
{
public:
Plot( QWidget *parent = NULL);
protected:
virtual void resizeEvent( QResizeEvent * );
private:
void populate();
void updateGradient();
};
Plot::Plot(QWidget *parent):
QwtPlot( parent )
{
// panning with the left mouse button
(void) new QwtPlotPanner( canvas() );
// zoom in/out with the wheel
(void) new QwtPlotMagnifier( canvas() );
setAutoFillBackground( true );
setPalette( QPalette( QColor( 165, 193, 228 ) ) );
updateGradient();
setTitle("A Simple QwtPlot Demonstration");
insertLegend(new QwtLegend(), QwtPlot::RightLegend);
// axes
setAxisTitle(xBottom, "x -->" );
setAxisScale(xBottom, 0.0, 10.0);
setAxisTitle(yLeft, "y -->");
setAxisScale(yLeft, -1.0, 1.0);
// canvas
canvas()->setLineWidth( 1 );
canvas()->setFrameStyle( QFrame::Box | QFrame::Plain );
canvas()->setBorderRadius( 15 );
QPalette canvasPalette( Qt::white );
canvasPalette.setColor( QPalette::Foreground, QColor( 133, 190, 232 ) );
canvas()->setPalette( canvasPalette );
populate();
}
void Plot::populate()
{
// Insert new curves
QwtPlotCurve *cSin = new QwtPlotCurve("y = sin(x)");
cSin->setRenderHint(QwtPlotItem::RenderAntialiased);
cSin->setLegendAttribute(QwtPlotCurve::LegendShowLine, true);
cSin->setPen(QPen(Qt::red));
cSin->attach(this);
QwtPlotCurve *cCos = new QwtPlotCurve("y = cos(x)");
cCos->setRenderHint(QwtPlotItem::RenderAntialiased);
cCos->setLegendAttribute(QwtPlotCurve::LegendShowLine, true);
cCos->setPen(QPen(Qt::blue));
cCos->attach(this);
// Create sin and cos data
cSin->setData(new FunctionData(::sin));
cCos->setData(new FunctionData(::cos));
// Insert markers
// ...a horizontal line at y = 0...
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabel(QString::fromLatin1("y = 0"));
mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mY->setLineStyle(QwtPlotMarker::HLine);
mY->setYValue(0.0);
mY->attach(this);
// ...a vertical line at x = 2 * pi
QwtPlotMarker *mX = new QwtPlotMarker();
mX->setLabel(QString::fromLatin1("x = 2 pi"));
mX->setLabelAlignment(Qt::AlignLeft | Qt::AlignBottom);
mX->setLabelOrientation(Qt::Vertical);
mX->setLineStyle(QwtPlotMarker::VLine);
mX->setLinePen(QPen(Qt::black, 0, Qt::DashDotLine));
mX->setXValue(2.0 * M_PI);
mX->attach(this);
}
void Plot::updateGradient()
{
QPalette pal = palette();
const QColor buttonColor = pal.color( QPalette::Button );
#ifdef Q_WS_X11
// Qt 4.7.1: QGradient::StretchToDeviceMode is buggy on X11
QLinearGradient gradient( rect().topLeft(), rect().bottomLeft() );
gradient.setColorAt( 0.0, Qt::white );
gradient.setColorAt( 0.7, buttonColor );
gradient.setColorAt( 1.0, buttonColor );
#else
QLinearGradient gradient( 0, 0, 0, 1 );
gradient.setCoordinateMode( QGradient::StretchToDeviceMode );
gradient.setColorAt( 0.0, Qt::white );
gradient.setColorAt( 0.7, buttonColor );
gradient.setColorAt( 1.0, buttonColor );
#endif
pal.setBrush( QPalette::Window, gradient );
setPalette( pal );
}
void Plot::resizeEvent( QResizeEvent *event )
{
QwtPlot::resizeEvent( event );
#ifdef Q_WS_X11
updateGradient();
#endif
}
int main(int argc, char **argv)
{
QApplication a(argc, argv);
Plot *plot = new Plot();
// We put a dummy widget around to have
// so that Qt paints a widget background
// when resizing
QWidget window;
QHBoxLayout *layout = new QHBoxLayout( &window );
layout->setContentsMargins( 0, 0, 0, 0 );
layout->addWidget( plot );
window.resize(600,400);
window.show();
return a.exec();
}