Qt:Документация 4.3.2/qtopiacore-svgalib-svgalibpaintdevice-cpp

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[править] svgalibpaintdevice.cpp Example File
qtopiacore/svgalib/svgalibpaintdevice.cpp

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 #include "svgalibpaintdevice.h"
 #include "svgalibpaintengine.h"
 
 #include <QApplication>
 #include <QDesktopWidget>
 
 SvgalibPaintDevice::SvgalibPaintDevice(QWidget *w)
     : QCustomRasterPaintDevice(w)
 {
     pengine = new SvgalibPaintEngine;
 }
 
 SvgalibPaintDevice::~SvgalibPaintDevice()
 {
     delete pengine;
 }
 
 int SvgalibPaintDevice::metric(PaintDeviceMetric m) const
 {
     if (m == PdmWidth)
         return QApplication::desktop()->screenGeometry().width();
     else if (m == PdmHeight)
         return QApplication::desktop()->screenGeometry().height();
     return QCustomRasterPaintDevice::metric(m);
 }

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Qt 4.3.2