qgsgeometryrubberband.h

Go to the documentation of this file.

/***************************************************************************
                         qgsgeometryrubberband.h
                         -----------------------
    begin                : December 2014
    copyright            : (C) 2014 by Marco Hugentobler
    email                : marco at sourcepole dot ch
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSGEOMETRYRUBBERBAND_H
#define QGSGEOMETRYRUBBERBAND_H
 
#include "qgis_gui.h"
#include "qgscircularstring.h"
#include "qgscompoundcurve.h"
#include "qgscurvepolygon.h"
#include "qgslinestring.h"
#include "qgsmapcanvasitem.h"
#include "qgspoint.h"
#include "qgswkbtypes.h"
 
#include <QBrush>
#include <QPen>
 
#ifdef SIP_RUN
//%ModuleHeaderCode
// For ConvertToSubClassCode.
#include <qgsgeometryrubberband.h>
//%End
#endif
 
class QgsAbstractGeometry;
class QgsPoint;
struct QgsVertexId;

class GUI_EXPORT QgsGeometryRubberBand : public QgsMapCanvasItem
{
#ifdef SIP_RUN
    SIP_CONVERT_TO_SUBCLASS_CODE
    if ( dynamic_cast<QgsGeometryRubberBand *>( sipCpp ) )
      sipType = sipType_QgsGeometryRubberBand;
    else
      sipType = nullptr;
  SIP_END
#endif
 
  public:
    enum IconType
    {

      ICON_NONE,

      ICON_CROSS,

      ICON_X,

      ICON_BOX,

      ICON_CIRCLE,

      ICON_FULL_BOX
    };

    QgsGeometryRubberBand( QgsMapCanvas *mapCanvas, Qgis::GeometryType geomType = Qgis::GeometryType::Line );
    ~QgsGeometryRubberBand() override;

    virtual void setGeometry( QgsAbstractGeometry *geom SIP_TRANSFER );
    const QgsAbstractGeometry *geometry() { return mGeometry.get(); }
    void moveVertex( QgsVertexId id, const QgsPoint &newPos );
    void setFillColor( const QColor &c );
    void setStrokeColor( const QColor &c );
    void setStrokeWidth( int width );
    void setLineStyle( Qt::PenStyle penStyle );
    void setBrushStyle( Qt::BrushStyle brushStyle );
    void setIconType( IconType iconType ) { mIconType = iconType; }
    void setVertexDrawingEnabled( bool isVerticesDrawn );
    void updatePosition() override;
 
  protected:
    using QgsMapCanvasItem::paint;
    void paint( QPainter *painter ) override;

    Qgis::GeometryType geometryType() const;

    void setGeometryType( Qgis::GeometryType geometryType );
 
  private:
    std::unique_ptr<QgsAbstractGeometry> mGeometry = nullptr;
    QBrush mBrush;
    QPen mPen;
    int mIconSize = 5;
    IconType mIconType = ICON_BOX;
    Qgis::GeometryType mGeometryType;
    bool mDrawVertices = true;
 
    void drawVertex( QPainter *p, double x, double y );
    QgsRectangle rubberBandRectangle() const;
};
 
 
#endif // QGSGEOMETRYRUBBERBAND_H