Add overlay object, modify core.sip to include it

git-svn-id: http://svn.osgeo.org/qgis/trunk@10506 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

python/core/core.sip

@@ -42,6 +42,7 @@
 %Include qgsmaptopixel.sip
 %Include qgsmarkercatalogue.sip
 %Include qgsmessageoutput.sip
+%Include qgsoverlayobject.sip
 %Include qgspoint.sip
 %Include qgsproject.sip
 %Include qgsprovidermetadata.sip
@@ -69,4 +70,5 @@
 %Include qgsvectordataprovider.sip
 %Include qgsvectorfilewriter.sip
 %Include qgsvectorlayer.sip
+%Include qgsvectoroverlay.sip
 

python/core/qgsoverlayobject.sip

@@ -0,0 +1,56 @@
+class CORE_EXPORT QgsOverlayObject: public pal::PalGeometry
+{
+%TypeHeaderCode
+#include "qgsoverlayobject.h"
+%End
+  public:
+    QgsOverlayObject( int width = 0, int height = 0, double rotation = 0, QgsGeometry* geometry = 0 );
+    virtual ~QgsOverlayObject();
+
+    //copy constructor and assignment operator necessary because of mGeometry
+    QgsOverlayObject( const QgsOverlayObject& other );
+    QgsOverlayObject& operator=( const QgsOverlayObject& other );
+
+
+    /**Returns the feature geometry in geos format. The calling function does _not_ take
+     ownership of the generated object*/
+    GEOSGeometry* getGeosGeometry();
+    /**Feature geometry is released when object is destructed so this function is empty*/
+    void releaseGeosGeometry( GEOSGeometry *the_geom ) {}
+
+    //getters
+    int width() const {return mWidth;}
+    int height() const {return mHeight;}
+    double rotation() const {return mRotation;}
+    QgsGeometry* geometry() {return mGeometry;}
+    const QgsGeometry* geometry() const {return mGeometry;}
+    QgsPoint position() const;
+    QList<QgsPoint> positions() const {return mPositions;}
+
+    //setters
+    void setHeight( int height ) {mHeight = height;}
+    void setWidth( int width ) {mWidth = width;}
+    void setRotation( double rotation ) {mRotation = rotation;}
+    /**Set geometry. This class takes ownership of the object*/
+    void setGeometry( QgsGeometry* g );
+    /**Adds a position in map coordinates*/
+    void addPosition( const QgsPoint& position );
+
+
+  private:
+
+    /**Width of the bounding box in pixels*/
+    int mWidth;
+    /**Height of the bounding box in pixels*/
+    int mHeight;
+    /**Position of the object in map coordinates. Note that it is possible that an object
+    has several positions, e.g. a multiobject or an object that is split into multiple parts
+    by the edge of the view extent*/
+    QList<QgsPoint> mPositions;
+    /**Rotation of the object*/
+    double mRotation;
+    /**Copy of the feature geometry. A copy is necessary because in QGIS geometries are deleted
+    after drawing*/
+    QgsGeometry* mGeometry;
+
+};