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qgsmaptoolrectangleextent.cpp
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qgsmaptoolrectangleextent.cpp
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/***************************************************************************
qgsmaptoolrectangleextent.cpp - map tool for adding rectangle
from extent
---------------------
begin : July 2017
copyright : (C) 2017 by Loïc Bartoletti
email : lbartoletti at tuxfamily dot org
***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "qgsmaptoolrectangleextent.h"
#include "qgsgeometryrubberband.h"
#include "qgsgeometryutils.h"
#include "qgsmapcanvas.h"
#include "qgslinestring.h"
#include "qgspoint.h"
#include <QMouseEvent>
#include <memory>
QgsMapToolRectangleExtent::QgsMapToolRectangleExtent( QgsMapToolCapture *parentTool,
QgsMapCanvas *canvas, CaptureMode mode )
: QgsMapToolAddRectangle( parentTool, canvas, mode )
{
}
void QgsMapToolRectangleExtent::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
{
QgsPoint point = mapPoint( *e );
if ( e->button() == Qt::LeftButton )
{
mPoints.append( point );
if ( !mPoints.isEmpty() && !mTempRubberBand )
{
mTempRubberBand = createGeometryRubberBand( mLayerType, true );
mTempRubberBand->show();
}
}
else if ( e->button() == Qt::RightButton )
{
mPoints.append( point );
deactivate();
if ( mParentTool )
{
mParentTool->canvasReleaseEvent( e );
}
}
}
void QgsMapToolRectangleExtent::cadCanvasMoveEvent( QgsMapMouseEvent *e )
{
QgsPoint point = mapPoint( *e );
if ( mTempRubberBand )
{
switch ( mPoints.size() )
{
case 1:
{
if ( qgsDoubleNear( mCanvas->rotation(), 0.0 ) )
{
mRectangle = QgsBox3d( mPoints.at( 0 ), point );
mTempRubberBand->setGeometry( QgsMapToolAddRectangle::rectangleToPolygon( ) );
}
else
{
double dist = mPoints.at( 0 ).distance( point );
double angle = mPoints.at( 0 ).azimuth( point );
mRectangle = QgsBox3d( mPoints.at( 0 ), mPoints.at( 0 ).project( dist, angle ) );
mTempRubberBand->setGeometry( QgsMapToolAddRectangle::rectangleToPolygon() );
}
}
break;
default:
break;
}
}
}