std::unique_ptr<QgsMarkerSymbolLayer> backgroundToMarkerLayer( const QgsTextBackgroundSettings &settings )
{
std::unique_ptr<QgsMarkerSymbolLayer> layer;
switch ( settings.type() )
{
case QgsTextBackgroundSettings::ShapeSVG:
{
QgsSvgMarkerSymbolLayer *svg = new QgsSvgMarkerSymbolLayer( settings.svgFile() );
svg->setStrokeWidth( settings.strokeWidth() );
svg->setStrokeWidthUnit( settings.strokeWidthUnit() );
layer.reset( svg );
break;
}
case QgsTextBackgroundSettings::ShapeCircle:
case QgsTextBackgroundSettings::ShapeEllipse:
case QgsTextBackgroundSettings::ShapeRectangle:
case QgsTextBackgroundSettings::ShapeSquare:
{
QgsSimpleMarkerSymbolLayer *marker = new QgsSimpleMarkerSymbolLayer();
// default value
QgsSimpleMarkerSymbolLayerBase::Shape shape = QgsSimpleMarkerSymbolLayerBase::Diamond;
switch ( settings.type() )
{
case QgsTextBackgroundSettings::ShapeCircle:
case QgsTextBackgroundSettings::ShapeEllipse:
shape = QgsSimpleMarkerSymbolLayerBase::Circle;
break;
case QgsTextBackgroundSettings::ShapeRectangle:
case QgsTextBackgroundSettings::ShapeSquare:
shape = QgsSimpleMarkerSymbolLayerBase::Square;
break;
case QgsTextBackgroundSettings::ShapeSVG:
break;
}
marker->setShape( shape );
marker->setStrokeWidth( settings.strokeWidth() );
marker->setStrokeWidthUnit( settings.strokeWidthUnit() );
layer.reset( marker );
}
}
layer->setEnabled( true );
// a marker does not have a size x and y, just a size (and it should be at least one)
QSizeF size = settings.size();
layer->setSize( std::max( 1., std::max( size.width(), size.height() ) ) );
layer->setSizeUnit( settings.sizeUnit() );
// fill and stroke
QColor fillColor = settings.fillColor();
QColor strokeColor = settings.strokeColor();
if ( settings.opacity() < 1 )
{
int alpha = std::round( settings.opacity() * 255 );
fillColor.setAlpha( alpha );
strokeColor.setAlpha( alpha );
}
layer->setFillColor( fillColor );
layer->setStrokeColor( strokeColor );
// rotation
if ( settings.rotationType() == QgsTextBackgroundSettings::RotationFixed )
{
layer->setAngle( settings.rotation() );
}
// offset
layer->setOffset( settings.offset() );
layer->setOffsetUnit( settings.offsetUnit() );
return layer;
}
QgsGrassEditRenderer::QgsGrassEditRenderer()
: QgsFeatureRenderer( QStringLiteral( "grassEdit" ) )
{
QHash<int, QColor> colors;
//colors.insert( QgsGrassVectorMap::TopoUndefined, QColor( 125, 125, 125 ) );
colors.insert( QgsGrassVectorMap::TopoLine, QColor( Qt::black ) );
colors.insert( QgsGrassVectorMap::TopoBoundaryError, QColor( Qt::red ) );
colors.insert( QgsGrassVectorMap::TopoBoundaryErrorLeft, QColor( 255, 125, 0 ) );
colors.insert( QgsGrassVectorMap::TopoBoundaryErrorRight, QColor( 255, 125, 0 ) );
colors.insert( QgsGrassVectorMap::TopoBoundaryOk, QColor( Qt::green ) );
QHash<int, QString> labels;
//labels.insert( QgsGrassVectorMap::TopoUndefined, "Unknown type" );
labels.insert( QgsGrassVectorMap::TopoLine, QStringLiteral( "Line" ) );
labels.insert( QgsGrassVectorMap::TopoBoundaryError, QStringLiteral( "Boundary (topological error on both sides)" ) );
labels.insert( QgsGrassVectorMap::TopoBoundaryErrorLeft, QStringLiteral( "Boundary (topological error on the left side)" ) );
labels.insert( QgsGrassVectorMap::TopoBoundaryErrorRight, QStringLiteral( "Boundary (topological error on the right side)" ) );
labels.insert( QgsGrassVectorMap::TopoBoundaryOk, QStringLiteral( "Boundary (correct)" ) );
QgsCategoryList categoryList;
// first/last vertex marker to distinguish vertices from nodes
QgsMarkerLineSymbolLayer *firstVertexMarkerLine = new QgsMarkerLineSymbolLayer( false );
QgsSimpleMarkerSymbolLayer *markerSymbolLayer = new QgsSimpleMarkerSymbolLayer( QgsSimpleMarkerSymbolLayerBase::Cross2, 2 );
markerSymbolLayer->setColor( QColor( 255, 0, 0 ) );
markerSymbolLayer->setStrokeColor( QColor( 255, 0, 0 ) );
markerSymbolLayer->setStrokeWidth( 0.5 );
QgsSymbolLayerList markerLayers;
markerLayers << markerSymbolLayer;
QgsMarkerSymbol *markerSymbol = new QgsMarkerSymbol( markerLayers );
firstVertexMarkerLine->setSubSymbol( markerSymbol );
firstVertexMarkerLine->setPlacement( QgsTemplatedLineSymbolLayerBase::FirstVertex );
QgsMarkerLineSymbolLayer *lastVertexMarkerLine = static_cast<QgsMarkerLineSymbolLayer *>( firstVertexMarkerLine->clone() );
lastVertexMarkerLine->setPlacement( QgsTemplatedLineSymbolLayerBase::LastVertex );
Q_FOREACH ( int value, colors.keys() )
{
QgsSymbol *symbol = QgsSymbol::defaultSymbol( QgsWkbTypes::LineGeometry );
symbol->setColor( colors.value( value ) );
symbol->appendSymbolLayer( firstVertexMarkerLine->clone() );
symbol->appendSymbolLayer( lastVertexMarkerLine->clone() );
categoryList << QgsRendererCategory( QVariant( value ), symbol, labels.value( value ) );
}
delete firstVertexMarkerLine;
delete lastVertexMarkerLine;
mLineRenderer = new QgsCategorizedSymbolRenderer( QStringLiteral( "topo_symbol" ), categoryList );
colors.clear();
labels.clear();
colors.insert( QgsGrassVectorMap::TopoPoint, QColor( 0, 255, 255 ) );
colors.insert( QgsGrassVectorMap::TopoCentroidIn, QColor( 0, 255, 0 ) );
colors.insert( QgsGrassVectorMap::TopoCentroidOut, QColor( 255, 0, 0 ) );
colors.insert( QgsGrassVectorMap::TopoCentroidDupl, QColor( 255, 0, 255 ) );
labels.insert( QgsGrassVectorMap::TopoPoint, QStringLiteral( "Point" ) );
labels.insert( QgsGrassVectorMap::TopoCentroidIn, QStringLiteral( "Centroid in area" ) );
labels.insert( QgsGrassVectorMap::TopoCentroidOut, QStringLiteral( "Centroid outside area" ) );
labels.insert( QgsGrassVectorMap::TopoCentroidDupl, QStringLiteral( "Duplicate centroid" ) );
categoryList.clear();
Q_FOREACH ( int value, colors.keys() )
{
QgsSymbol *symbol = QgsSymbol::defaultSymbol( QgsWkbTypes::PointGeometry );
symbol->setColor( colors.value( value ) );
categoryList << QgsRendererCategory( QVariant( value ), symbol, labels.value( value ) );
}
mMarkerRenderer = new QgsCategorizedSymbolRenderer( QStringLiteral( "topo_symbol" ), categoryList );
}