Changed std::list to QList in addRing functions

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@6946 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

src/app/qgsmaptooladdfeature.cpp

@@ -225,7 +225,7 @@ void QgsMapToolAddFeature::canvasReleaseEvent(QMouseEvent * e)
 		  memcpy(&wkb[1+sizeof(int)],&length, sizeof(int));
 		  int position=1+2*sizeof(int);
 		  double x,y;
-		  for(std::list<QgsPoint>::iterator it=mCaptureList.begin();it!=mCaptureList.end();++it)
+		  for(QList<QgsPoint>::iterator it=mCaptureList.begin();it!=mCaptureList.end();++it)
 		    {
 		      QgsPoint savePoint = *it;
 		      x = savePoint.x();
@@ -260,7 +260,7 @@ void QgsMapToolAddFeature::canvasReleaseEvent(QMouseEvent * e)
 		  memcpy(&wkb[position], &length, sizeof(int));
 		  position += sizeof(int);
 		  double x,y;
-		  for(std::list<QgsPoint>::iterator it=mCaptureList.begin();it!=mCaptureList.end();++it)
+		  for(QList<QgsPoint>::iterator it=mCaptureList.begin();it!=mCaptureList.end();++it)
 		    {
 		      QgsPoint savePoint = *it;
 		      x = savePoint.x();
@@ -289,7 +289,7 @@ void QgsMapToolAddFeature::canvasReleaseEvent(QMouseEvent * e)
 		  memcpy(&wkb[1+2*sizeof(int)],&length, sizeof(int));
 		  int position=1+3*sizeof(int);
 		  double x,y;
-		  std::list<QgsPoint>::iterator it;
+		  QList<QgsPoint>::iterator it;
 		  for(it=mCaptureList.begin();it!=mCaptureList.end();++it)
 		    {
 		      QgsPoint savePoint = *it;
@@ -338,7 +338,7 @@ void QgsMapToolAddFeature::canvasReleaseEvent(QMouseEvent * e)
 		  memcpy(&wkb[position], &length, sizeof(int));
 		  position += sizeof(int);
 		  double x,y;
-		  std::list<QgsPoint>::iterator it;
+		  QList<QgsPoint>::iterator it;
 		  for(it=mCaptureList.begin();it!=mCaptureList.end();++it)//add the captured points to the polygon
 		    {
 		      QgsPoint savePoint = *it;

src/app/qgsmaptoolcapture.h

@@ -24,7 +24,7 @@
 class QgsRubberBand;
 
 #include <QPoint>
-#include <list>
+#include <QList>
 
 class QgsMapToolCapture : public QgsMapTool
 {
@@ -77,7 +77,7 @@ class QgsMapToolCapture : public QgsMapTool
     QgsRubberBand* mRubberBand;
 
     /** List to store the points of digitised lines and polygons */
-    std::list<QgsPoint> mCaptureList;
+    QList<QgsPoint> mCaptureList;
 
     /**Adds a point to the rubber band (in map coordinates) and to the capture list (in layer coordinates)
      @return 0 in case of success, 1 if current layer is not a vector layer, 2 if coordinate transformation failed*/

src/core/qgsgeometry.cpp

@@ -2249,18 +2249,22 @@ double QgsGeometry::closestSegmentWithContext(const QgsPoint& point,
   return sqrDist;
 }                 
 
-int QgsGeometry::addRing(const std::list<QgsPoint>& ring)
+int QgsGeometry::addRing(const QList<QgsPoint>& ring)
 {
   //bail out if this geometry is not polygon/multipolygon
   if(vectorType() != QGis::Polygon)
     {
       return 1;
     }
 
+  //test for invalid geometries
+  if(ring.size() < 4)
+    {
+      return 3;
+    }
+
   //ring must be closed
-  std::list<QgsPoint>::const_iterator it1 = ring.begin();
-  std::list<QgsPoint>::const_reverse_iterator it2 = ring.rbegin();
-  if(*it1 != *it2)
+  if(ring.first() != ring.last())
     {
       return 2;
     }
@@ -2302,7 +2306,7 @@ int QgsGeometry::addRing(const std::list<QgsPoint>& ring)
 
   //create new ring
   GEOS_GEOM::DefaultCoordinateSequence* newSequence=new GEOS_GEOM::DefaultCoordinateSequence();
-  for(std::list<QgsPoint>::const_iterator it = ring.begin(); it != ring.end(); ++it)
+  for(QList<QgsPoint>::const_iterator it = ring.begin(); it != ring.end(); ++it)
     {
       newSequence->add(GEOS_GEOM::Coordinate(it->x(),it->y()));
     }

src/core/qgsgeometry.h

@@ -237,7 +237,7 @@ class CORE_EXPORT QgsGeometry {
     /**Adds a new ring to this geometry. This makes only sense for polygon and multipolygons.
      @return 0 success (ring added), 1 problem with geometry type, 2 ring not closed, 3 ring is not valid geometry, \
     4 ring not disjoint with existing rings, 5 no polygon found which contained the ring*/
-    int addRing(const std::list<QgsPoint>& ring);
+    int addRing(const QList<QgsPoint>& ring);
 
     /**Returns the bounding box of this feature*/
     QgsRect boundingBox();

src/core/qgsvectorlayer.cpp

@@ -1371,7 +1371,7 @@ bool QgsVectorLayer::deleteSelectedFeatures()
   return true;
 }
 
-int QgsVectorLayer::addRing(const std::list<QgsPoint>& ring)
+int QgsVectorLayer::addRing(const QList<QgsPoint>& ring)
 {
   int addRingReturnCode = 0;
 
@@ -1381,7 +1381,7 @@ int QgsVectorLayer::addRing(const std::list<QgsPoint>& ring)
   double yMin = std::numeric_limits<double>::max();
   double yMax = -std::numeric_limits<double>::max();
 
-  for(std::list<QgsPoint>::const_iterator it = ring.begin(); it != ring.end(); ++it)
+  for(QList<QgsPoint>::const_iterator it = ring.constBegin(); it != ring.constEnd(); ++it)
     {
       if(it->x() < xMin)
 	{

src/core/qgsvectorlayer.h

@@ -234,7 +234,7 @@ class CORE_EXPORT QgsVectorLayer : public QgsMapLayer
   /**Adds a ring to polygon/multipolygon features
    @return 0 in case of success, 1 problem with feature type, 2 ring not closed, 3 ring not valid, 4 ring crosses \
 existing rings, 5 no feature found where ring can be inserted*/
-  int addRing(const std::list<QgsPoint>& ring);
+  int addRing(const QList<QgsPoint>& ring);
 
   /** Set labels on */
   void setLabelOn( bool on );