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https://github.com/qgis/QGIS.git
synced 2025-11-04 00:04:25 -05:00
7fff92ac1d
adding a removePoint method, which can also take a negative index to start removing vertices from the end. actual fix for #7628 was to not remove the last node, but the one before that.
107 lines
3.8 KiB
Plaintext
107 lines
3.8 KiB
Plaintext
class QgsRubberBand: QgsMapCanvasItem
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{
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%TypeHeaderCode
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#include <qgsrubberband.h>
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%End
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public:
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/** Icons
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* Added in 1.9 */
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enum IconType
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{
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ICON_NONE,
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ICON_CROSS,
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ICON_X,
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ICON_BOX,
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ICON_CIRCLE
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};
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QgsRubberBand( QgsMapCanvas* mapCanvas /TransferThis/, QGis::GeometryType geometryType = QGis::Line );
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QgsRubberBand( QgsMapCanvas* mapCanvas /TransferThis/, bool isPolygon );
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~QgsRubberBand();
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/** Set the color for the rubberband */
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void setColor( const QColor & color );
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/** Set the width of the line. Outline width for polygon. */
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void setWidth( int width );
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/** Set the icon type to highlight point geometries.
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* Added in 1.9 */
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void setIcon( IconType icon );
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/** Set the size of the point icons
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* Added in 1.9 */
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void setIconSize ( int iconSize );
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void reset( QGis::GeometryType geometryType = QGis::Line );
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void reset( bool isPolygon );
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//! Add point to rubberband and update canvas
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//! If adding more points consider using update=false for better performance
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//! geometryIndex is the index of the feature part (in case of multipart geometries)
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void addPoint( const QgsPoint & p, bool update = true, int geometryIndex = 0 );
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/**Remove a vertex from the rubberband and (optionally) update canvas.
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@param index The index of the vertex/point to remove, negative indexes start at end
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@param doUpdate Should the map canvas be updated immediately?
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@param geometryIndex The index of the feature part (in case of multipart geometries)
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*/
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void removePoint( int index = 0, bool doUpdate = true, int geometryIndex = 0 );
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//!Removes the last point. Most useful in connection with undo operations
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void removeLastPoint( int geometryIndex = 0 );
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void movePoint( const QgsPoint & p, int geometryIndex = 0 );
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/**Moves the rubber band point specified by index. Note that if the rubber band is
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not used to track the last mouse position, the first point of the rubber band has two vertices*/
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void movePoint( int index, const QgsPoint& p, int geometryIndex = 0 );
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/**Sets this rubber band to the geometry of an existing feature.
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This is useful for feature highlighting.
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In contrast to addGeometry, this method does also change the geometry type of the rubberband.
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@param geom the geometry object
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@param layer the layer containing the feature, used for coord transformation to map
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crs. In case of 0 pointer, the coordinates are not going to be transformed.
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*/
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void setToGeometry( QgsGeometry* geom, QgsVectorLayer* layer );
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/**Sets this rubber band to a map canvas rectangle
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@param rect rectangle in canvas coordinates
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@note added in version 1.7*/
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void setToCanvasRectangle( const QRect& rect );
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/**Add the geometry of an existing feature to a rubberband
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This is useful for multi feature highlighting.
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@param geom the geometry object
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@param layer the layer containing the feature, used for coord transformation to map
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crs. In case of 0 pointer, the coordinates are not going to be transformed.
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@note added in 1.5
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*/
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void addGeometry( QgsGeometry* geom, QgsVectorLayer* layer );
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/**Adds translation to original coordinates (all in map coordinates)*/
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void setTranslationOffset( double dx, double dy );
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/**Returns number of geometries
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* added in 1.5 */
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int size() const;
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/**Returns count of vertices in all lists of mPoint*/
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int numberOfVertices() const;
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/**Return vertex*/
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const QgsPoint *getPoint( int i, int j = 0 ) const;
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/**Returns the rubberband as a Geometry.
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* added in 1.6 */
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QgsGeometry* asGeometry();
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protected:
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virtual void paint( QPainter* p );
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//! recalculates needed rectangle
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void updateRect();
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};
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