17#ifndef QGSLAYOUTITEMPOLYLINE_H
18#define QGSLAYOUTITEMPOLYLINE_H
22#include <QGraphicsPathItem>
65 int type()
const override;
66 QIcon
icon()
const override;
68 QPainterPath shape()
const override;
95 void setStartMarker( MarkerMode mode );
109 void setEndMarker( MarkerMode mode );
115 void setArrowHeadWidth(
double width );
128 void setStartSvgMarkerPath(
const QString &path );
142 void setEndSvgMarkerPath(
const QString &path );
163 void setArrowHeadStrokeColor(
const QColor &color );
177 void setArrowHeadFillColor(
const QColor &color );
184 void setArrowHeadStrokeWidth(
double width );
197 bool _addNode(
int indexPoint, QPointF newPoint,
double radius )
override;
212 std::unique_ptr<QgsLineSymbol> mPolylineStyleSymbol;
215 MarkerMode mStartMarker = NoMarker;
217 MarkerMode mEndMarker = NoMarker;
220 double mArrowHeadWidth = 4.0;
223 double mStartArrowHeadHeight = 0.0;
226 double mEndArrowHeadHeight = 0.0;
229 QString mStartMarkerFile;
232 QString mEndMarkerFile;
235 double mArrowHeadStrokeWidth = 1.0;
237 QColor mArrowHeadStrokeColor = Qt::black;
238 QColor mArrowHeadFillColor = Qt::black;
241 void createDefaultPolylineStyleSymbol();
247 void refreshSymbol();
249 void drawStartMarker( QPainter *painter );
250 void drawEndMarker( QPainter *painter );
252 void drawArrow( QPainter *painter, QPointF center,
double angle );
254 void updateMarkerSvgSizes();
265 static void drawArrowHead( QPainter *p,
double x,
double y,
double angle,
double arrowHeadWidth );
266 void drawSvgMarker( QPainter *p, QPointF point,
double angle,
const QString &markerPath,
double height )
const;
268 double computeMarkerMargin()
const;
270 friend class TestQgsLayoutPolyline;
QgsCompositionConverter class converts a QGIS 2.x composition to a QGIS 3.x layout.
Layout item for node based polyline shapes.
double arrowHeadStrokeWidth() const
Returns the pen width in millimeters for the stroke of the arrow head.
QString startSvgMarkerPath() const
Returns the path the an SVG marker drawn at the start of the line.
QString endSvgMarkerPath() const
Returns the path the an SVG marker drawn at the end of the line.
QColor arrowHeadFillColor() const
Returns the color used to fill the arrow head.
MarkerMode endMarker() const
Returns the end marker mode, which controls what marker is drawn at the end of the line.
MarkerMode
Vertex marker mode.
@ ArrowHead
Show arrow marker.
@ SvgMarker
Show SVG marker.
@ NoMarker
Don't show marker.
~QgsLayoutItemPolyline() override
QColor arrowHeadStrokeColor() const
Returns the color used to draw the stroke around the the arrow head.
MarkerMode startMarker() const
Returns the start marker mode, which controls what marker is drawn at the start of the line.
double arrowHeadWidth() const
Returns the width of line arrow heads in mm.
Contains settings and helpers relating to a render of a QgsLayoutItem.
virtual bool accept(QgsStyleEntityVisitorInterface *visitor) const
Accepts the specified style entity visitor, causing it to visit all style entities associated with th...
virtual QIcon icon() const
Returns the item's icon.
int type() const override
Returns a unique graphics item type identifier.
virtual QString displayName() const
Gets item display name.
An abstract layout item that provides generic methods for node based shapes such as polygon or polyli...
virtual void updateBoundingRect()
Called when the bounding rect of the item should recalculated.
virtual bool _removeNode(int nodeIndex)=0
Method called in removeNode.
virtual void _writeXmlStyle(QDomDocument &doc, QDomElement &elmt, const QgsReadWriteContext &context) const =0
Method called in writeXml.
bool readPropertiesFromElement(const QDomElement &element, const QDomDocument &document, const QgsReadWriteContext &context) override
Sets item state from a DOM element.
bool writePropertiesToElement(QDomElement &element, QDomDocument &document, const QgsReadWriteContext &context) const override
Stores item state within an XML DOM element.
virtual void _readXmlStyle(const QDomElement &elmt, const QgsReadWriteContext &context)=0
Method called in readXml.
virtual void _draw(QgsLayoutItemRenderContext &context, const QStyleOptionGraphicsItem *itemStyle=nullptr)=0
Method called in paint.
virtual bool _addNode(int nodeIndex, QPointF newNode, double radius)=0
Method called in addNode.
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
A line symbol type, for rendering LineString and MultiLineString geometries.
The class is used as a container of context for various read/write operations on other objects.
An interface for classes which can visit style entity (e.g.