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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| /*************************************************************************** | ||
| qgsmaptoolcircle3tangents.h - map tool for adding circle | ||
| from 3 tangents | ||
| --------------------- | ||
| 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 "qgsmaptoolcircle3tangents.h" | ||
| #include "qgsgeometryrubberband.h" | ||
| #include "qgslinestring.h" | ||
| #include "qgsmapcanvas.h" | ||
| #include "qgspoint.h" | ||
| #include <QMouseEvent> | ||
|
|
||
| QgsMapToolCircle3Tangents::QgsMapToolCircle3Tangents( QgsMapToolCapture *parentTool, | ||
| QgsMapCanvas *canvas, CaptureMode mode ) | ||
| : QgsMapToolAddCircle( parentTool, canvas, mode ) | ||
| { | ||
| } | ||
|
|
||
| QgsMapToolCircle3Tangents::~QgsMapToolCircle3Tangents() | ||
| { | ||
| } | ||
|
|
||
| void QgsMapToolCircle3Tangents::cadCanvasReleaseEvent( QgsMapMouseEvent *e ) | ||
| { | ||
|
|
||
| QList<QgsPointXY> segment = e->snapSegment( QgsMapMouseEvent::SnapProjectConfig ); | ||
|
|
||
| if ( e->button() == Qt::LeftButton ) | ||
| { | ||
| if ( ( mPoints.size() <= 2 * 2 ) ) | ||
| { | ||
| mPoints.append( QgsPoint( segment.at( 0 ) ) ); | ||
| mPoints.append( QgsPoint( segment.at( 1 ) ) ); | ||
|
|
||
|
|
||
| } | ||
|
|
||
| if ( !mPoints.isEmpty() ) | ||
| { | ||
| if ( !mTempRubberBand ) | ||
| { | ||
| mTempRubberBand = createGeometryRubberBand( ( mode() == CapturePolygon ) ? QgsWkbTypes::PolygonGeometry : QgsWkbTypes::LineGeometry, true ); | ||
| mTempRubberBand->show(); | ||
| } | ||
| } | ||
| } | ||
| else if ( e->button() == Qt::RightButton ) | ||
| { | ||
| if ( !segment.empty() && ( mPoints.size() == 6 ) ) | ||
| { | ||
| mCircle = QgsCircle().from3Tangents( mPoints.at( 0 ), mPoints.at( 1 ), mPoints.at( 2 ), mPoints.at( 3 ), mPoints.at( 4 ), mPoints.at( 5 ) ); | ||
| } | ||
| deactivate(); | ||
| if ( mParentTool ) | ||
| { | ||
| mParentTool->canvasReleaseEvent( e ); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| /*************************************************************************** | ||
| qgsmaptoolcircle3tangents.h - map tool for adding circle | ||
| from 3 tangents | ||
| --------------------- | ||
| 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 3 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
|
|
||
| #ifndef QGSMAPTOOLCIRCLE3TANGENTS_H | ||
| #define QGSMAPTOOLCIRCLE3TANGENTS_H | ||
|
|
||
| #include "qgsmaptooladdcircle.h" | ||
|
|
||
| class QgsMapToolCircle3Tangents: public QgsMapToolAddCircle | ||
| { | ||
| Q_OBJECT | ||
|
|
||
| public: | ||
| QgsMapToolCircle3Tangents( QgsMapToolCapture *parentTool, QgsMapCanvas *canvas, CaptureMode mode = CaptureLine ); | ||
| ~QgsMapToolCircle3Tangents(); | ||
|
|
||
| void cadCanvasReleaseEvent( QgsMapMouseEvent *e ) override; | ||
| }; | ||
|
|
||
| #endif // QGSMAPTOOLCIRCLE3TANGENTS_H |
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