void QgsEllipseSymbolLayerV2::renderPoint( QPointF point, QgsSymbolV2RenderContext& context )
{
bool ok;
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_WIDTH ) )
{
context.setOriginalValueVariable( mOutlineWidth );
double width = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_WIDTH, context, mOutlineWidth ).toDouble();
width = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), width, mOutlineWidthUnit, mOutlineWidthMapUnitScale );
mPen.setWidthF( width );
}
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_STYLE ) )
{
context.setOriginalValueVariable( QgsSymbolLayerV2Utils::encodePenStyle( mOutlineStyle ) );
QString styleString = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_STYLE, context, QVariant(), &ok ).toString();
if ( ok )
{
Qt::PenStyle style = QgsSymbolLayerV2Utils::decodePenStyle( styleString );
mPen.setStyle( style );
}
}
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_JOIN_STYLE ) )
{
context.setOriginalValueVariable( QgsSymbolLayerV2Utils::encodePenJoinStyle( mPenJoinStyle ) );
QString style = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_JOIN_STYLE, context, QVariant(), &ok ).toString();
if ( ok )
{
mPen.setJoinStyle( QgsSymbolLayerV2Utils::decodePenJoinStyle( style ) );
}
}
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_FILL_COLOR ) )
{
context.setOriginalValueVariable( QgsSymbolLayerV2Utils::encodeColor( mColor ) );
QString colorString = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_FILL_COLOR, context, QVariant(), &ok ).toString();
if ( ok )
mBrush.setColor( QgsSymbolLayerV2Utils::decodeColor( colorString ) );
}
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_COLOR ) )
{
context.setOriginalValueVariable( QgsSymbolLayerV2Utils::encodeColor( mOutlineColor ) );
QString colorString = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_COLOR, context, QVariant(), &ok ).toString();
if ( ok )
mPen.setColor( QgsSymbolLayerV2Utils::decodeColor( colorString ) );
}
double scaledWidth = mSymbolWidth;
double scaledHeight = mSymbolHeight;
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_WIDTH ) || hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_HEIGHT ) || hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_SYMBOL_NAME ) )
{
QString symbolName = mSymbolName;
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_SYMBOL_NAME ) )
{
context.setOriginalValueVariable( mSymbolName );
symbolName = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_SYMBOL_NAME, context, mSymbolName ).toString();
}
preparePath( symbolName, context, &scaledWidth, &scaledHeight, context.feature() );
}
//offset and rotation
bool hasDataDefinedRotation = false;
QPointF offset;
double angle = 0;
calculateOffsetAndRotation( context, scaledWidth, scaledHeight, hasDataDefinedRotation, offset, angle );
QPainter* p = context.renderContext().painter();
if ( !p )
{
return;
}
QMatrix transform;
transform.translate( point.x() + offset.x(), point.y() + offset.y() );
if ( !qgsDoubleNear( angle, 0.0 ) )
{
transform.rotate( angle );
}
p->setPen( mPen );
p->setBrush( mBrush );
p->drawPath( transform.map( mPainterPath ) );
}
QRectF QgsEllipseSymbolLayer::bounds( QPointF point, QgsSymbolRenderContext &context )
{
QSizeF size = calculateSize( context );
bool hasDataDefinedRotation = false;
QPointF offset;
double angle = 0;
calculateOffsetAndRotation( context, size.width(), size.height(), hasDataDefinedRotation, offset, angle );
QMatrix transform;
// move to the desired position
transform.translate( point.x() + offset.x(), point.y() + offset.y() );
if ( !qgsDoubleNear( angle, 0.0 ) )
transform.rotate( angle );
double penWidth = 0.0;
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyStrokeWidth ) )
{
context.setOriginalValueVariable( mStrokeWidth );
QVariant exprVal = mDataDefinedProperties.value( QgsSymbolLayer::PropertyStrokeWidth, context.renderContext().expressionContext() );
if ( exprVal.isValid() )
{
bool ok;
double strokeWidth = exprVal.toDouble( &ok );
if ( ok )
{
penWidth = context.renderContext().convertToPainterUnits( strokeWidth, mStrokeWidthUnit, mStrokeWidthMapUnitScale );
}
}
}
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyStrokeStyle ) )
{
context.setOriginalValueVariable( QgsSymbolLayerUtils::encodePenStyle( mStrokeStyle ) );
QVariant exprVal = mDataDefinedProperties.value( QgsSymbolLayer::PropertyStrokeStyle, context.renderContext().expressionContext() );
if ( exprVal.isValid() && exprVal.toString() == QLatin1String( "no" ) )
{
penWidth = 0.0;
}
}
//antialiasing, add 1 pixel
penWidth += 1;
QRectF symbolBounds = transform.mapRect( QRectF( -size.width() / 2.0,
-size.height() / 2.0,
size.width(),
size.height() ) );
//extend bounds by pen width / 2.0
symbolBounds.adjust( -penWidth / 2.0, -penWidth / 2.0,
penWidth / 2.0, penWidth / 2.0 );
return symbolBounds;
}
QRectF QgsEllipseSymbolLayerV2::bounds( QPointF point, QgsSymbolV2RenderContext& context )
{
QSizeF size = calculateSize( context );
bool hasDataDefinedRotation = false;
QPointF offset;
double angle = 0;
calculateOffsetAndRotation( context, size.width(), size.height(), hasDataDefinedRotation, offset, angle );
double pixelSize = 1.0 / context.renderContext().rasterScaleFactor();
QMatrix transform;
// move to the desired position
transform.translate( point.x() + offset.x(), point.y() + offset.y() );
if ( !qgsDoubleNear( angle, 0.0 ) )
transform.rotate( angle );
double penWidth = 0.0;
bool ok = true;
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_WIDTH ) )
{
context.setOriginalValueVariable( mOutlineWidth );
double outlineWidth = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_WIDTH, context, QVariant(), &ok ).toDouble();
if ( ok )
{
penWidth = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), outlineWidth, mOutlineWidthUnit, mOutlineWidthMapUnitScale );
}
}
if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_STYLE ) )
{
context.setOriginalValueVariable( QgsSymbolLayerV2Utils::encodePenStyle( mOutlineStyle ) );
QString outlineStyle = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_STYLE, context, QVariant(), &ok ).toString();
if ( ok && outlineStyle == "no" )
{
penWidth = 0.0;
}
}
//antialiasing
penWidth += pixelSize;
QRectF symbolBounds = transform.mapRect( QRectF( -size.width() / 2.0,
-size.height() / 2.0,
size.width(),
size.height() ) );
//extend bounds by pen width / 2.0
symbolBounds.adjust( -penWidth / 2.0, -penWidth / 2.0,
penWidth / 2.0, penWidth / 2.0 );
return symbolBounds;
}
void QgsEllipseSymbolLayer::renderPoint( QPointF point, QgsSymbolRenderContext &context )
{
double scaledWidth = mSymbolWidth;
double scaledHeight = mSymbolHeight;
if ( mDataDefinedProperties.hasActiveProperties() )
{
bool ok;
context.setOriginalValueVariable( mStrokeWidth );
QVariant exprVal = mDataDefinedProperties.value( QgsSymbolLayer::PropertyStrokeWidth, context.renderContext().expressionContext() );
if ( exprVal.isValid() )
{
double width = exprVal.toDouble( &ok );
if ( ok )
{
width = context.renderContext().convertToPainterUnits( width, mStrokeWidthUnit, mStrokeWidthMapUnitScale );
mPen.setWidthF( width );
}
}
context.setOriginalValueVariable( QgsSymbolLayerUtils::encodePenStyle( mStrokeStyle ) );
exprVal = mDataDefinedProperties.value( QgsSymbolLayer::PropertyStrokeStyle, context.renderContext().expressionContext() );
if ( exprVal.isValid() )
{
mPen.setStyle( QgsSymbolLayerUtils::decodePenStyle( exprVal.toString() ) );
}
context.setOriginalValueVariable( QgsSymbolLayerUtils::encodePenJoinStyle( mPenJoinStyle ) );
exprVal = mDataDefinedProperties.value( QgsSymbolLayer::PropertyJoinStyle, context.renderContext().expressionContext() );
if ( exprVal.isValid() )
{
mPen.setJoinStyle( QgsSymbolLayerUtils::decodePenJoinStyle( exprVal.toString() ) );
}
context.setOriginalValueVariable( QgsSymbolLayerUtils::encodeColor( mColor ) );
mBrush.setColor( mDataDefinedProperties.valueAsColor( QgsSymbolLayer::PropertyFillColor, context.renderContext().expressionContext(), mColor ) );
context.setOriginalValueVariable( QgsSymbolLayerUtils::encodeColor( mStrokeColor ) );
mPen.setColor( mDataDefinedProperties.valueAsColor( QgsSymbolLayer::PropertyStrokeColor, context.renderContext().expressionContext(), mStrokeColor ) );
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyWidth ) || mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyHeight ) || mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyName ) )
{
QString symbolName = mSymbolName;
context.setOriginalValueVariable( mSymbolName );
exprVal = mDataDefinedProperties.value( QgsSymbolLayer::PropertyName, context.renderContext().expressionContext() );
if ( exprVal.isValid() )
{
symbolName = exprVal.toString();
}
preparePath( symbolName, context, &scaledWidth, &scaledHeight, context.feature() );
}
}
//offset and rotation
bool hasDataDefinedRotation = false;
QPointF offset;
double angle = 0;
calculateOffsetAndRotation( context, scaledWidth, scaledHeight, hasDataDefinedRotation, offset, angle );
QPainter *p = context.renderContext().painter();
if ( !p )
{
return;
}
QMatrix transform;
transform.translate( point.x() + offset.x(), point.y() + offset.y() );
if ( !qgsDoubleNear( angle, 0.0 ) )
{
transform.rotate( angle );
}
p->setPen( mPen );
p->setBrush( mBrush );
p->drawPath( transform.map( mPainterPath ) );
}
