mirror of
https://github.com/GoldenCheetah/GoldenCheetah.git
synced 2026-02-14 16:39:57 +00:00
84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
#include <qfiledialog.h>
|
|
#include <qwt_plot_svgitem.h>
|
|
#include <qwt_plot_grid.h>
|
|
#include <qwt_plot_layout.h>
|
|
#include <qwt_plot_canvas.h>
|
|
#include <qwt_plot_panner.h>
|
|
#include <qwt_plot_magnifier.h>
|
|
#include "plot.h"
|
|
|
|
Plot::Plot(QWidget *parent):
|
|
QwtPlot(parent),
|
|
d_mapItem(NULL),
|
|
d_mapRect(0.0, 0.0, 100.0, 100.0) // something
|
|
{
|
|
#if 1
|
|
/*
|
|
d_mapRect is only a reference for zooming, but
|
|
the ranges are nothing useful for the user. So we
|
|
hide the axes.
|
|
*/
|
|
plotLayout()->setCanvasMargin(0);
|
|
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
|
|
enableAxis(axis, false);
|
|
#else
|
|
QwtPlotGrid *grid = new QwtPlotGrid();
|
|
grid->attach(this);
|
|
#endif
|
|
|
|
/*
|
|
Navigation:
|
|
|
|
Left Mouse Button: Panning
|
|
Mouse Wheel: Zooming In/Out
|
|
Right Mouse Button: Reset to initial
|
|
*/
|
|
|
|
(void)new QwtPlotPanner(canvas());
|
|
(void)new QwtPlotMagnifier(canvas());
|
|
|
|
#if QT_VERSION >= 0x040000
|
|
using namespace Qt;
|
|
#endif
|
|
canvas()->setFocusPolicy(WheelFocus);
|
|
rescale();
|
|
}
|
|
|
|
void Plot::loadSVG()
|
|
{
|
|
QString dir;
|
|
#if 0
|
|
dir = "/dw/svg";
|
|
#endif
|
|
#if QT_VERSION >= 0x040000
|
|
const QString fileName = QFileDialog::getOpenFileName( NULL,
|
|
"Load a Scaleable Vector Graphic (SVG) Map",
|
|
dir, "SVG Files (*.svg)");
|
|
#else
|
|
const QString fileName = QFileDialog::getOpenFileName(
|
|
dir, "SVG Files (*.svg)", NULL, NULL,
|
|
"Load a Scaleable Vector Graphic (SVG) Map" );
|
|
#endif
|
|
if ( !fileName.isEmpty() )
|
|
{
|
|
if ( d_mapItem == NULL )
|
|
{
|
|
d_mapItem = new QwtPlotSvgItem();
|
|
d_mapItem->attach(this);
|
|
}
|
|
|
|
d_mapItem->loadFile(d_mapRect, fileName);
|
|
rescale();
|
|
|
|
replot();
|
|
}
|
|
}
|
|
|
|
void Plot::rescale()
|
|
{
|
|
setAxisScale(QwtPlot::xBottom,
|
|
d_mapRect.left(), d_mapRect.right());
|
|
setAxisScale(QwtPlot::yLeft,
|
|
d_mapRect.top(), d_mapRect.bottom());
|
|
}
|