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Fixes compilation of bindings, added wrapper for QgsSnapper.
git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@7893 c8812cc2-4d05-0410-92ff-de0c093fc19c
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wonder committed Jan 9, 2008
1 parent b8b154c commit d6c1a740530937369487817ac678412ac57b1b58
Showing with 79 additions and 3 deletions.
  1. +1 −0 python/core/core.sip
  2. +1 −1 python/core/qgsgeometry.sip
  3. +74 −0 python/core/qgssnapper.sip
  4. +3 −2 python/core/qgsvectorlayer.sip
@@ -42,6 +42,7 @@
%Include qgsrenderer.sip
%Include qgsscalecalculator.sip
%Include qgssinglesymbolrenderer.sip
%Include qgssnapper.sip
%Include qgsspatialindex.sip
%Include qgsspatialrefsys.sip
%Include qgssymbol.sip
@@ -301,7 +301,7 @@ class QgsGeometry
/**
Returns the squared cartesian distance between the given point
to the given vertex index*/
double sqrDistToVertexAt(QgsPoint& point /In, int atVertex);
double sqrDistToVertexAt(QgsPoint& point /In/, int atVertex);


/**
@@ -0,0 +1,74 @@

/**Describes the result of a snapping operation*/
struct QgsSnappingResult
{
%TypeHeaderCode
#include <qgssnapper.h>
%End

/**The coordinates of the snapping result*/
QgsPoint snappedVertex;
/**The vertex index of snappedVertex
or -1 if no such vertex number (e.g. snap to segment)*/
int snappedVertexNr;
/**The layer coordinates of the vertex before snappedVertex*/
QgsPoint beforeVertex;
/**The index of the vertex before snappedVertex
or -1 if no such vertex*/
int beforeVertexNr;
/**The layer coordinates of the vertex after snappedVertex*/
QgsPoint afterVertex;
/**The index of the vertex after snappedVertex
or -1 if no such vertex*/
int afterVertexNr;
/**Index of the snapped geometry*/
int snappedAtGeometry;
/**Layer where the snap occured*/
const QgsVectorLayer* layer;
};



/**A class that allows advanced snapping operations on a set of vector layers*/
class QgsSnapper
{
%TypeHeaderCode
#include <qgssnapper.h>
%End

public:
/**Snap to vertex, to segment or both*/
enum SNAP_TO
{
SNAP_TO_VERTEX,
SNAP_TO_SEGMENT,
//snap to vertex and also to segment if no vertex is within the search tolerance
SNAP_TO_VERTEX_AND_SEGMENT
};

enum SNAP_MODE
{
/**Only one snapping result is retured*/
ONE_RESULT,
/**Several snapping results which have the same position are returned. This is usefull for topological
editing*/
SEVERAL_RESULTS_SAME_POSITION,
/**All results within the given layer tolerances are returned*/
ALL_RESULTS_WITHIN_GIVEN_TOLERANCES
};

QgsSnapper(QgsMapRender* mapRender);
~QgsSnapper();
/**Does the snapping operation
@param startPoint the start point for snapping (in pixel coordinates)
@param snappingResult the list where the results are inserted (everything in map coordinate system)
@return 0 in case of success*/
int snapPoint(const QPoint& startPoint, QList<QgsSnappingResult>& snappingResult);

//setters
void setLayersToSnap(const QList<QgsVectorLayer*>& layerList);
void setTolerances(const QList<double>& toleranceList);
// TODO wrap void setSnapToList(const QList<QgsSnapper::SNAP_TO>& snapToList);
void setSnapMode(QgsSnapper::SNAP_MODE snapMode);

};
@@ -245,8 +245,9 @@ existing rings, 5 no feature found where ring can be inserted*/
@param snap_to to segment / to vertex
@return 0 in case of success
*/
int snapWithContext(const QgsPoint& startPoint, double snappingTolerance, QMultiMap<double, QgsSnappingResult>& snappingResults, \
QgsSnapper::SNAP_TO snap_to);
// TODO: wrap QMultiMap
//int snapWithContext(const QgsPoint& startPoint, double snappingTolerance, QMultiMap<double, QgsSnappingResult>& snappingResults,
// QgsSnapper::SNAP_TO snap_to);

/**
Commits edited attributes. Depending on the feature id,

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