C++ (Cpp) QgsMarkerSymbolLayerV2::setAngle示例

示例#1

文件： qgsmarkersymbollayerv2.cpp 项目： maggi/QGIS

QgsSymbolLayerV2* QgsSimpleMarkerSymbolLayerV2::createFromSld( QDomElement &element )
{
  QgsDebugMsg( "Entered." );

  QDomElement graphicElem = element.firstChildElement( "Graphic" );
  if ( graphicElem.isNull() )
    return NULL;

  QString name = "square";
  QColor color, borderColor;
  double borderWidth, size;

  if ( !QgsSymbolLayerV2Utils::wellKnownMarkerFromSld( graphicElem, name, color, borderColor, borderWidth, size ) )
    return NULL;

  double angle = 0.0;
  QString angleFunc;
  if ( QgsSymbolLayerV2Utils::rotationFromSldElement( graphicElem, angleFunc ) )
  {
    bool ok;
    double d = angleFunc.toDouble( &ok );
    if ( ok )
      angle = d;
  }

  QPointF offset;
  QgsSymbolLayerV2Utils::displacementFromSldElement( graphicElem, offset );

  QgsMarkerSymbolLayerV2 *m = new QgsSimpleMarkerSymbolLayerV2( name, color, borderColor, size );
  m->setAngle( angle );
  m->setOffset( offset );
  return m;
}

示例#2

文件： qgssymbolv2.cpp 项目： mmubangizi/qgis

void QgsMarkerSymbolV2::setAngle( double angle )
{
  for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
  {
    QgsMarkerSymbolLayerV2* layer = ( QgsMarkerSymbolLayerV2* ) * it;
    layer->setAngle( angle );
  }
}

示例#3

文件： qgssymbolv2.cpp 项目： dengchangtao/Quantum-GIS

void QgsMarkerSymbolV2::setAngle( double ang )
{
  double origAngle = angle();
  double angleDiff = ang - origAngle;
  for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
  {
    QgsMarkerSymbolLayerV2* layer = ( QgsMarkerSymbolLayerV2* ) * it;
    layer->setAngle( layer->angle() + angleDiff );
  }
}

示例#4

文件： qgsmarkersymbollayerv2.cpp 项目： maggi/QGIS

QgsSymbolLayerV2* QgsFontMarkerSymbolLayerV2::createFromSld( QDomElement &element )
{
  QgsDebugMsg( "Entered." );

  QDomElement graphicElem = element.firstChildElement( "Graphic" );
  if ( graphicElem.isNull() )
    return NULL;

  QString name, format;
  QColor color;
  double size;
  int chr;

  if ( !QgsSymbolLayerV2Utils::externalMarkerFromSld( graphicElem, name, format, chr, color, size ) )
    return NULL;

  if ( !name.startsWith( "ttf://" ) || format != "ttf" )
    return NULL;

  QString fontFamily = name.mid( 6 );

  double angle = 0.0;
  QString angleFunc;
  if ( QgsSymbolLayerV2Utils::rotationFromSldElement( graphicElem, angleFunc ) )
  {
    bool ok;
    double d = angleFunc.toDouble( &ok );
    if ( ok )
      angle = d;
  }

  QPointF offset;
  QgsSymbolLayerV2Utils::displacementFromSldElement( graphicElem, offset );

  QgsMarkerSymbolLayerV2 *m = new QgsFontMarkerSymbolLayerV2( fontFamily, chr, size, color );
  m->setAngle( angle );
  m->setOffset( offset );
  return m;
}