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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /*************************************************************************** | ||
| qgsmaptoolrectangle3points.cpp - map tool for adding rectangle | ||
| from 3 points | ||
| --------------------- | ||
| begin : September 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 3 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
| #include "qgsmaptoolrectangle3points.h" | ||
| #include "qgsgeometryrubberband.h" | ||
| #include "qgsgeometryutils.h" | ||
| #include "qgslinestring.h" | ||
| #include "qgsmapcanvas.h" | ||
| #include "qgspoint.h" | ||
| #include <QMouseEvent> | ||
| #include <memory> | ||
|
|
||
| QgsMapToolRectangle3Points::QgsMapToolRectangle3Points( QgsMapToolCapture *parentTool, | ||
| QgsMapCanvas *canvas, CaptureMode mode ) | ||
| : QgsMapToolAddRectangle( parentTool, canvas, mode ) | ||
| { | ||
| } | ||
|
|
||
| QgsMapToolRectangle3Points::~QgsMapToolRectangle3Points() | ||
| { | ||
| } | ||
|
|
||
| void QgsMapToolRectangle3Points::cadCanvasReleaseEvent( QgsMapMouseEvent *e ) | ||
| { | ||
| QgsPoint mapPoint( e->mapPoint() ); | ||
|
|
||
| if ( e->button() == Qt::LeftButton ) | ||
| { | ||
| if ( mPoints.size() < 2 ) | ||
| mPoints.append( mapPoint ); | ||
|
|
||
| if ( !mPoints.isEmpty() ) | ||
| { | ||
| if ( !mTempRubberBand ) | ||
| { | ||
| mTempRubberBand = createGeometryRubberBand( ( mode() == CapturePolygon ) ? QgsWkbTypes::PolygonGeometry : QgsWkbTypes::LineGeometry, true ); | ||
| mTempRubberBand->show(); | ||
| } | ||
| } | ||
| } | ||
| else if ( e->button() == Qt::RightButton ) | ||
| { | ||
| deactivate( true ); | ||
| if ( mParentTool ) | ||
| { | ||
| mParentTool->canvasReleaseEvent( e ); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| void QgsMapToolRectangle3Points::cadCanvasMoveEvent( QgsMapMouseEvent *e ) | ||
| { | ||
| QgsPoint mapPoint( e->mapPoint() ); | ||
|
|
||
| if ( mTempRubberBand ) | ||
| { | ||
| switch ( mPoints.size() ) | ||
| { | ||
| case 1: | ||
| { | ||
| QgsLineString *line = new QgsLineString(); | ||
| line->addVertex( mPoints.at( 0 ) ); | ||
| line->addVertex( mapPoint ); | ||
| mTempRubberBand->setGeometry( line ); | ||
| setAzimuth( mPoints.at( 0 ).azimuth( mapPoint ) ); | ||
| setDistance1( mPoints.at( 0 ).distance( mapPoint ) ); | ||
| } | ||
| break; | ||
| case 2: | ||
| { | ||
|
|
||
| setDistance2( mPoints.at( 1 ).distance( mapPoint ) ); | ||
| double side = QgsGeometryUtils::leftOfLine( mapPoint.x(), mapPoint.y(), | ||
| mPoints.at( 0 ).x(), mPoints.at( 0 ).y(), | ||
| mPoints.at( 1 ).x(), mPoints.at( 1 ).y() ); | ||
|
|
||
| setSide( side < 0 ? -1 : 1 ); | ||
|
|
||
| double xMin = mPoints.at( 0 ).x(); | ||
| double xMax = mPoints.at( 0 ).x() + distance2( ); | ||
|
|
||
| double yMin = mPoints.at( 0 ).y(); | ||
| double yMax = mPoints.at( 0 ).y() + distance1(); | ||
|
|
||
| mRectangle = QgsRectangle( xMin, yMin, | ||
| xMax, yMax ); | ||
|
|
||
|
|
||
| mTempRubberBand->setGeometry( QgsMapToolAddRectangle::rectangleToPolygon( true ) ); | ||
| } | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| } |
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