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examples/polardemo/PlotBox.cpp

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+/*****************************************************************************
+ * Qwt Polar Examples - Copyright (C) 2008   Uwe Rathmann
+ * This file may be used under the terms of the 3-clause BSD License
+ *****************************************************************************/
+
+#include "PlotBox.h"
+#include "Plot.h"
+#include "SettingsEditor.h"
+
+#include <QwtPolarPanner>
+#include <QwtPolarMagnifier>
+#include <QwtPolarRenderer>
+
+#include <QPrinter>
+#include <QPrintDialog>
+#include <QHBoxLayout>
+
+PlotBox::PlotBox( QWidget* parent )
+    : QWidget( parent )
+{
+    m_plot = new Plot();
+
+    m_panner = new QwtPolarPanner( m_plot->canvas() );
+    m_panner->setEnabled( false );
+
+    m_zoomer = new QwtPolarMagnifier( m_plot->canvas() );
+    m_zoomer->setEnabled( false );
+
+    SettingsEditor* settingsEditor = new SettingsEditor();
+    settingsEditor->showSettings( m_plot->settings() );
+    connect( settingsEditor, SIGNAL(edited(const PlotSettings&)),
+        m_plot, SLOT(applySettings(const PlotSettings&)) );
+
+    QHBoxLayout* layout = new QHBoxLayout( this );
+    layout->addWidget( settingsEditor, 0 );
+    layout->addWidget( m_plot, 10 );
+}
+
+void PlotBox::printDocument()
+{
+    QPrinter printer( QPrinter::HighResolution );
+
+    QString docName = m_plot->title().text();
+    if ( !docName.isEmpty() )
+    {
+        docName.replace ( "\n", " -- " );
+        printer.setDocName ( docName );
+    }
+
+    printer.setCreator( "polar plot demo example" );
+#if QT_VERSION >= 0x050300
+    printer.setPageOrientation( QPageLayout::Landscape );
+#else
+    printer.setOrientation( QPrinter::Landscape );
+#endif
+
+    QPrintDialog dialog( &printer );
+    if ( dialog.exec() )
+    {
+        QwtPolarRenderer renderer;
+        renderer.renderTo( m_plot, printer );
+    }
+}
+
+void PlotBox::exportDocument()
+{
+    QString fileName = "polarplot.pdf";
+
+    QwtPolarRenderer renderer;
+    renderer.exportTo( m_plot, "polarplot.pdf" );
+}
+
+void PlotBox::enableZoomMode( bool on )
+{
+    m_panner->setEnabled( on );
+    m_zoomer->setEnabled( on );
+}
+
+#include "moc_PlotBox.cpp"