QgsSingleSymbolRenderer::QgsSingleSymbolRenderer( QGis::GeometryType type )
{
mGeometryType = type;
//initial setting based on random color
QgsSymbol* sy = new QgsSymbol( mGeometryType );
//random fill colors for points and polygons and pen colors for lines
int red = 1 + ( int )( 255.0 * rand() / ( RAND_MAX + 1.0 ) );
int green = 1 + ( int )( 255.0 * rand() / ( RAND_MAX + 1.0 ) );
int blue = 1 + ( int )( 255.0 * rand() / ( RAND_MAX + 1.0 ) );
if ( type == QGis::Line )
{
sy->setColor( QColor( red, green, blue ) );
}
else
{
sy->setFillColor( QColor( red, green, blue ) );
sy->setFillStyle( Qt::SolidPattern );
sy->setColor( QColor( 0, 0, 0 ) );
}
mSymbol = sy;
updateSymbolAttributes();
}
QgsSymbol* QgsSymbologyV2Conversion::symbolV2toV1( QgsSymbolV2* s )
{
if ( s == NULL || s->symbolLayerCount() == 0 )
return NULL;
// we will use only the first symbol layer
QgsSymbolLayerV2* sl = s->symbolLayer( 0 );
switch ( sl->type() )
{
case QgsSymbolV2::Marker:
{
QgsMarkerSymbolLayerV2* msl = static_cast<QgsMarkerSymbolLayerV2*>( sl );
QgsSymbol* sOld = new QgsSymbol( QGis::Point );
sOld->setFillColor( sl->color() );
sOld->setFillStyle( Qt::SolidPattern );
sOld->setPointSize( msl->size() );
if ( sl->layerType() == "SimpleMarker" )
{
QgsSimpleMarkerSymbolLayerV2* smsl = static_cast<QgsSimpleMarkerSymbolLayerV2*>( sl );
sOld->setColor( smsl->borderColor() );
sOld->setNamedPointSymbol( "hard:" + smsl->name() );
}
else if ( sl->layerType() == "SvgMarker" )
{
QgsSvgMarkerSymbolLayerV2* smsl = static_cast<QgsSvgMarkerSymbolLayerV2*>( sl );
sOld->setNamedPointSymbol( "svg:" + smsl->path() );
}
return sOld;
}
break;
case QgsSymbolV2::Line:
{
QgsLineSymbolLayerV2* lsl = static_cast<QgsLineSymbolLayerV2*>( sl );
QgsSymbol* sOld = new QgsSymbol( QGis::Line );
sOld->setColor( sl->color() );
sOld->setLineWidth( lsl->width() );
if ( sl->layerType() == "SimpleLine" )
{
// add specific settings
QgsSimpleLineSymbolLayerV2* slsl = static_cast<QgsSimpleLineSymbolLayerV2*>( sl );
sOld->setLineStyle( slsl->penStyle() );
}
return sOld;
}
case QgsSymbolV2::Fill:
{
QgsSymbol* sOld = new QgsSymbol( QGis::Polygon );
sOld->setFillColor( sl->color() );
if ( sl->layerType() == "SimpleFill" )
{
// add specifc settings
QgsSimpleFillSymbolLayerV2* sfsl = static_cast<QgsSimpleFillSymbolLayerV2*>( sl );
sOld->setColor( sfsl->borderColor() );
sOld->setLineWidth( sfsl->borderWidth() );
sOld->setLineStyle( sfsl->borderStyle() );
sOld->setFillStyle( sfsl->brushStyle() );
}
return sOld;
}
}
return NULL; // should never get here
}