zoomedit: Einige Rauminformationen werden jetzt angezeigt & Name kann ge?ndert werden.

1 files changed, 6 insertions, 0 deletions

diff --git a/geometry.h b/geometry.h
index 2978ef4..c32b3ea 100644
--- a/geometry.h
+++ b/geometry.h
@@ -43,9 +43,15 @@ void addVertex(VERTEX_LIST *list, VERTEX *v);
 void insertVertex(VERTEX_LIST *list, VERTEX *v, unsigned int n);
 void deleteVertex(VERTEX_LIST *list, unsigned int n);
 
+double vertexDistanceSquare(const VERTEX *v1, const VERTEX *v2);
+double vertexDistance(const VERTEX *v1, const VERTEX *v2);
 
 int vertexInRect(const VERTEX *v, const RECTANGLE *rect);
 gboolean vertexInPolygon(const VERTEX *v, const POLYGON *p);
+
+double polygonPerimeter(const POLYGON *p);
+double polygonArea(const POLYGON *p);
+
 int lineIntersection(const LINE *la, const LINE *lb, VERTEX *v);
 int lineRectIntersection(const LINE *l, const RECTANGLE *rect, int edge, VERTEX *v);
 int lineRectIntersections(const LINE *line, const RECTANGLE *rect, int edge, VERTEX *v1, VERTEX *v2);