void QgsComposerArrow::setArrowHeadWidth( double width )
{
mArrowHeadWidth = width;
setStartMarker( mStartMarkerFile );
setEndMarker( mEndMarkerFile );
adaptItemSceneRect();
}
void QgsComposerArrow::setArrowHeadOutlineWidth( const double width )
{
mArrowHeadOutlineWidth = width;
mPen.setWidthF( mArrowHeadOutlineWidth );
adaptItemSceneRect();
}
void QgsComposerArrow::setOutlineWidth( double width )
{
if ( mLineSymbol )
{
mLineSymbol->setWidth( width );
}
mArrowHeadOutlineWidth = width;
mPen.setWidthF( mArrowHeadOutlineWidth );
adaptItemSceneRect();
}
QgsComposerArrow::QgsComposerArrow( QPointF startPoint, QPointF stopPoint, QgsComposition* c )
: QgsComposerItem( c )
, mStartPoint( startPoint )
, mStopPoint( stopPoint )
, mMarkerMode( DefaultMarker )
, mArrowHeadOutlineWidth( 1.0 )
, mArrowHeadOutlineColor( Qt::black )
, mArrowHeadFillColor( Qt::black )
, mBoundsBehaviour( 24 )
, mLineSymbol( nullptr )
{
mStartXIdx = mStopPoint.x() < mStartPoint.x();
mStartYIdx = mStopPoint.y() < mStartPoint.y();
init();
adaptItemSceneRect();
}
void QgsComposerArrow::setEndMarker( const QString& svgPath )
{
QSvgRenderer r;
mEndMarkerFile = svgPath;
if ( svgPath.isEmpty() || !r.load( svgPath ) )
{
mStopArrowHeadHeight = 0;
}
else
{
//calculate mArrowHeadHeight from svg file and mArrowHeadWidth
QRect viewBox = r.viewBox();
mStopArrowHeadHeight = mArrowHeadWidth / viewBox.width() * viewBox.height();
}
adaptItemSceneRect();
}
bool QgsComposerArrow::readXml( const QDomElement& itemElem, const QDomDocument& doc )
{
mArrowHeadWidth = itemElem.attribute( QStringLiteral( "arrowHeadWidth" ), QStringLiteral( "2.0" ) ).toDouble();
mArrowHeadFillColor = QgsSymbolLayerUtils::decodeColor( itemElem.attribute( QStringLiteral( "arrowHeadFillColor" ), QStringLiteral( "0,0,0,255" ) ) );
mArrowHeadOutlineColor = QgsSymbolLayerUtils::decodeColor( itemElem.attribute( QStringLiteral( "arrowHeadOutlineColor" ), QStringLiteral( "0,0,0,255" ) ) );
mArrowHeadOutlineWidth = itemElem.attribute( QStringLiteral( "outlineWidth" ), QStringLiteral( "1.0" ) ).toDouble();
setStartMarker( itemElem.attribute( QStringLiteral( "startMarkerFile" ), QLatin1String( "" ) ) );
setEndMarker( itemElem.attribute( QStringLiteral( "endMarkerFile" ), QLatin1String( "" ) ) );
mMarkerMode = QgsComposerArrow::MarkerMode( itemElem.attribute( QStringLiteral( "markerMode" ), QStringLiteral( "0" ) ).toInt() );
//if bounds behaviour version is not set, default to 2.2 behaviour
mBoundsBehaviour = itemElem.attribute( QStringLiteral( "boundsBehaviourVersion" ), QStringLiteral( "22" ) ).toInt();
//arrow style
QDomElement styleElem = itemElem.firstChildElement( QStringLiteral( "lineStyle" ) );
if ( !styleElem.isNull() )
{
QDomElement lineStyleElem = styleElem.firstChildElement( QStringLiteral( "symbol" ) );
if ( !lineStyleElem.isNull() )
{
delete mLineSymbol;
mLineSymbol = QgsSymbolLayerUtils::loadSymbol<QgsLineSymbol>( lineStyleElem );
}
}
else
{
//old project file, read arrow width and color
delete mLineSymbol;
QgsStringMap properties;
properties.insert( QStringLiteral( "width" ), itemElem.attribute( QStringLiteral( "outlineWidth" ), QStringLiteral( "1.0" ) ) );
if ( mBoundsBehaviour == 22 )
{
//if arrow was created in versions prior to 2.4, use the old rendering style
properties.insert( QStringLiteral( "capstyle" ), QStringLiteral( "flat" ) );
}
else
{
properties.insert( QStringLiteral( "capstyle" ), QStringLiteral( "square" ) );
}
int red = 0;
int blue = 0;
int green = 0;
int alpha = 255;
QDomNodeList arrowColorList = itemElem.elementsByTagName( QStringLiteral( "ArrowColor" ) );
if ( !arrowColorList.isEmpty() )
{
QDomElement arrowColorElem = arrowColorList.at( 0 ).toElement();
red = arrowColorElem.attribute( QStringLiteral( "red" ), QStringLiteral( "0" ) ).toInt();
green = arrowColorElem.attribute( QStringLiteral( "green" ), QStringLiteral( "0" ) ).toInt();
blue = arrowColorElem.attribute( QStringLiteral( "blue" ), QStringLiteral( "0" ) ).toInt();
alpha = arrowColorElem.attribute( QStringLiteral( "alpha" ), QStringLiteral( "255" ) ).toInt();
mArrowHeadFillColor = QColor( red, green, blue, alpha );
mArrowHeadOutlineColor = QColor( red, green, blue, alpha );
}
properties.insert( QStringLiteral( "color" ), QStringLiteral( "%1,%2,%3,%4" ).arg( red ).arg( green ).arg( blue ).arg( alpha ) );
mLineSymbol = QgsLineSymbol::createSimple( properties );
}
mPen.setColor( mArrowHeadOutlineColor );
mPen.setWidthF( mArrowHeadOutlineWidth );
mBrush.setColor( mArrowHeadFillColor );
//restore general composer item properties
//needs to be before start point / stop point because setSceneRect()
QDomNodeList composerItemList = itemElem.elementsByTagName( QStringLiteral( "ComposerItem" ) );
if ( !composerItemList.isEmpty() )
{
QDomElement composerItemElem = composerItemList.at( 0 ).toElement();
_readXml( composerItemElem, doc );
}
//start point
QDomNodeList startPointList = itemElem.elementsByTagName( QStringLiteral( "StartPoint" ) );
if ( !startPointList.isEmpty() )
{
QDomElement startPointElem = startPointList.at( 0 ).toElement();
mStartPoint.setX( startPointElem.attribute( QStringLiteral( "x" ), QStringLiteral( "0.0" ) ).toDouble() );
mStartPoint.setY( startPointElem.attribute( QStringLiteral( "y" ), QStringLiteral( "0.0" ) ).toDouble() );
}
//stop point
QDomNodeList stopPointList = itemElem.elementsByTagName( QStringLiteral( "StopPoint" ) );
if ( !stopPointList.isEmpty() )
{
QDomElement stopPointElem = stopPointList.at( 0 ).toElement();
mStopPoint.setX( stopPointElem.attribute( QStringLiteral( "x" ), QStringLiteral( "0.0" ) ).toDouble() );
mStopPoint.setY( stopPointElem.attribute( QStringLiteral( "y" ), QStringLiteral( "0.0" ) ).toDouble() );
}
mStartXIdx = mStopPoint.x() < mStartPoint.x();
mStartYIdx = mStopPoint.y() < mStartPoint.y();
adaptItemSceneRect();
emit itemChanged();
return true;
}
void QgsComposerArrow::setMarkerMode( MarkerMode mode )
{
mMarkerMode = mode;
adaptItemSceneRect();
}
