C++ (Cpp) mapToPixel 예제들

예제 #1

파일: qgsmapsettings.cpp 프로젝트: bjaraujo/QGIS

QPolygonF QgsMapSettings::visiblePolygon() const
{
  QPolygonF poly;

  const QSize& sz = outputSize();
  const QgsMapToPixel& m2p = mapToPixel();

  poly << m2p.toMapCoordinatesF( 0,          0 ).toQPointF();
  poly << m2p.toMapCoordinatesF( sz.width(), 0 ).toQPointF();
  poly << m2p.toMapCoordinatesF( sz.width(), sz.height() ).toQPointF();
  poly << m2p.toMapCoordinatesF( 0,          sz.height() ).toQPointF();

  return poly;
}

예제 #2

파일: qgsmapsettings.cpp 프로젝트: manisandro/QGIS

QPolygonF QgsMapSettings::visiblePolygon() const
{
  QPolygonF poly;

  const QSize &sz = outputSize();
  const QgsMapToPixel &m2p = mapToPixel();

  poly << m2p.toMapCoordinates( 0.0,                             0.0 ).toQPointF();
  poly << m2p.toMapCoordinates( static_cast<double>( sz.width() ), 0.0 ).toQPointF();
  poly << m2p.toMapCoordinates( static_cast<double>( sz.width() ), static_cast<double>( sz.height() ) ).toQPointF();
  poly << m2p.toMapCoordinates( 0.0,                             static_cast<double>( sz.height() ) ).toQPointF();

  return poly;
}