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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| /*************************************************************************** | ||
| snappingresult.cpp - SnappingResult | ||
| --------------------- | ||
| begin : 8.10.2016 | ||
| copyright : (C) 2016 by Matthias Kuhn | ||
| email : matthias@opengis.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. * | ||
| * * | ||
| ***************************************************************************/ | ||
| #include "snappingresult.h" | ||
|
|
||
| SnappingResult::SnappingResult() | ||
| : mType( Invalid ) | ||
| , mDist( 0 ) | ||
| , mPoint() | ||
| , mLayer( nullptr ) | ||
| , mFid( 0 ) | ||
| , mVertexIndex( 0 ) | ||
| {} | ||
|
|
||
| SnappingResult::SnappingResult( SnappingResult::Type t, QgsVectorLayer* vl, QgsFeatureId fid, double dist, const QgsPoint& pt, int vertexIndex, QgsPoint* edgePoints ) | ||
| : mType( t ) | ||
| , mDist( dist ) | ||
| , mPoint( pt ) | ||
| , mLayer( vl ) | ||
| , mFid( fid ) | ||
| , mVertexIndex( vertexIndex ) | ||
| { | ||
| if ( edgePoints ) | ||
| { | ||
| mEdgePoints[0] = edgePoints[0]; | ||
| mEdgePoints[1] = edgePoints[1]; | ||
| } | ||
| } | ||
|
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| SnappingResult::SnappingResult( const QgsPointLocator::Match& match ) | ||
| : mType( matchTypeToSnappingResultType( match.type() ) ) | ||
| , mDist( match.distance() ) | ||
| , mPoint( match.point() ) | ||
| , mLayer( match.layer() ) | ||
| , mFid( match.featureId() ) | ||
| , mVertexIndex( match.vertexIndex() ) | ||
| { | ||
| } | ||
|
|
||
| SnappingResult::Type SnappingResult::type() const | ||
| { | ||
| return mType; | ||
| } | ||
|
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||
| bool SnappingResult::isValid() const | ||
| { | ||
| return mType != Invalid; | ||
| } | ||
|
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| bool SnappingResult::hasVertex() const | ||
| { | ||
| return mType == Vertex; | ||
| } | ||
|
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||
| bool SnappingResult::hasEdge() const | ||
| { | ||
| return mType == Edge; | ||
| } | ||
|
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| bool SnappingResult::hasArea() const | ||
| { | ||
| return mType == Area; | ||
| } | ||
|
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| double SnappingResult::distance() const | ||
| { | ||
| return mDist; | ||
| } | ||
|
|
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| QgsPoint SnappingResult::point() const | ||
| { | ||
| return mPoint; | ||
| } | ||
|
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| int SnappingResult::vertexIndex() const | ||
| { | ||
| return mVertexIndex; | ||
| } | ||
|
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| QgsVectorLayer*SnappingResult::layer() const | ||
| { | ||
| return mLayer; | ||
| } | ||
|
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| QgsFeatureId SnappingResult::featureId() const | ||
| { | ||
| return mFid; | ||
| } | ||
|
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| void SnappingResult::edgePoints( QgsPoint& pt1, QgsPoint& pt2 ) const | ||
| { | ||
| pt1 = mEdgePoints[0]; | ||
| pt2 = mEdgePoints[1]; | ||
| } | ||
|
|
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| SnappingResult::Type SnappingResult::matchTypeToSnappingResultType( QgsPointLocator::Type type ) | ||
| { | ||
| return static_cast<Type>( type ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /*************************************************************************** | ||
| snappingresult.h - SnappingResult | ||
| --------------------- | ||
| begin : 8.10.2016 | ||
| copyright : (C) 2016 by Matthias Kuhn | ||
| email : matthias@opengis.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 SNAPPINGRESULT_H | ||
| #define SNAPPINGRESULT_H | ||
|
|
||
| #include <qgspoint.h> | ||
| #include <qgsvectorlayer.h> | ||
| #include <qgspointlocator.h> | ||
|
|
||
| class SnappingResult | ||
| { | ||
| Q_GADGET | ||
| Q_PROPERTY( QgsPoint point READ point ) | ||
| Q_PROPERTY( bool isValid READ isValid ) | ||
|
|
||
| public: | ||
| /** | ||
| * The type of a snap result or the filter type for a snap request. | ||
| */ | ||
| enum Type | ||
| { | ||
| Invalid = 0, //!< Invalid | ||
| Vertex = 1, //!< Snapped to a vertex. Can be a vertex of the geometry or an intersection. | ||
| Edge = 2, //!< Snapped to an edge | ||
| Area = 4, //!< Snapped to an area | ||
| All = Vertex | Edge | Area //!< Combination of vertex, edge and area | ||
| }; | ||
|
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| Q_DECLARE_FLAGS( Types, Type ) | ||
|
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| //! construct invalid match | ||
| SnappingResult(); | ||
|
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| SnappingResult( Type t, QgsVectorLayer* vl, QgsFeatureId fid, double dist, const QgsPoint& pt, int vertexIndex = 0, QgsPoint* edgePoints = nullptr ); | ||
|
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| SnappingResult( const QgsPointLocator::Match& match ); | ||
|
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| Type type() const; | ||
|
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| bool isValid() const; | ||
| bool hasVertex() const; | ||
| bool hasEdge() const; | ||
| bool hasArea() const; | ||
|
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| //! for vertex / edge match | ||
| //! units depending on what class returns it (geom.cache: layer units, map canvas snapper: dest crs units) | ||
| double distance() const; | ||
|
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| //! for vertex / edge match | ||
| //! coords depending on what class returns it (geom.cache: layer coords, map canvas snapper: dest coords) | ||
| QgsPoint point() const; | ||
|
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| void setPoint( const QgsPoint& pt ); | ||
|
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| //! for vertex / edge match (first vertex of the edge) | ||
| int vertexIndex() const; | ||
|
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| /** | ||
| * The vector layer where the snap occurred. | ||
| * Will be null if the snap happened on an intersection. | ||
| */ | ||
| QgsVectorLayer* layer() const; | ||
|
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| /** | ||
| * The id of the feature to which the snapped geometry belongs. | ||
| */ | ||
| QgsFeatureId featureId() const; | ||
|
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| //! Only for a valid edge match - obtain endpoints of the edge | ||
| void edgePoints( QgsPoint& pt1, QgsPoint& pt2 ) const; | ||
|
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| private: | ||
| Type matchTypeToSnappingResultType( QgsPointLocator::Type type ); | ||
|
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| Type mType; | ||
| double mDist; | ||
| QgsPoint mPoint; | ||
| QgsVectorLayer* mLayer; | ||
| QgsFeatureId mFid; | ||
| int mVertexIndex; // e.g. vertex index | ||
| QgsPoint mEdgePoints[2]; | ||
| }; | ||
|
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| #endif // SNAPPINGRESULT_H |
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