Подготовка карты для отображения в окне с координатами

#ifndef CUSTOMWIDGET_H
#define CUSTOMWIDGET_H


#include <QWidget>


class CustomWidget : public QWidget
{
  Q_OBJECT
  
  public:
  CustomWidget(QWidget *parent = NULL);
  
  protected:
  void paintEvent(QPaintEvent *event);
};


#endif // CUSTOMWIDGET_H

#include <QImage>
#include <QPainter>


#include "mapapi.h"
#include "qdmcmp.h"


#include "customwidget.h"


CustomWidget::CustomWidget(QWidget *parent) : QWidget(parent)
{
  QDMapView();
}


void CustomWidget::paintEvent(QPaintEvent *event)
{
  QImage paintimage(this->width(), this->height(), QImage::Format_RGB32);
  paintimage.fill(Qt::blue);


  HMAP mapHandle = mapOpenData("/tmp/Noginsk/Noginsk.sit");


  int paintWidth = 200;
  int paintHeight = 200;


  RECT rectDraw;
  rectDraw.left = 1000;
  rectDraw.top = 1000;
  rectDraw.right = rectDraw.left + paintWidth;
  rectDraw.bottom = rectDraw.top + paintHeight;


  XIMAGEDESC xImageDesc;
  xImageDesc.Point = (char *)paintimage.bits();
  xImageDesc.Width = paintimage.width();
  xImageDesc.Height = paintimage.height();
  xImageDesc.Depth = 32;
  xImageDesc.CellSize = xImageDesc.Depth / 8;
  xImageDesc.RowSize = xImageDesc.Width * xImageDesc.CellSize;


  mapPaintToXImage(mapHandle, &xImageDesc, 300, 300, &rectDraw);


  QPainter painter(this);
  painter.drawImage(0, 0, paintimage);


  mapCloseData(mapHandle)
}

#include <QApplication>


#include "customwidget.h"


int main(int argc, char *argv[])
{
  QApplication a(argc, argv);


  QWidget * customWidget = new CustomWidget();
  customWidget->resize(800, 600);
  customWidget->show();


  return a.exec();
}