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diff --git a/kig/objects/intersection_types.h b/kig/objects/intersection_types.h
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+// Copyright (C)  2003  Dominique Devriese <devriese@kde.org>
+
+// 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.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+// 02110-1301, USA.
+
+#ifndef KIG_OBJECTS_INTERSECTION_TYPES_H
+#define KIG_OBJECTS_INTERSECTION_TYPES_H
+
+#include "object_type.h"
+
+/**
+ * conic line intersection.  This also serves as circle-line
+ * intersection, in which case it uses the easier way to calc
+ * ...  There is no separate CircleLineIntersectionPoint, since the
+ * difference between both types is quite small ( same number of
+ * intersections with a line, for example.. ), and since with
+ * transformations, Circles might dynamically change types to
+ * Conics..
+ */
+class ConicLineIntersectionType
+  : public ArgsParserObjectType
+{
+  ConicLineIntersectionType();
+  ~ConicLineIntersectionType();
+public:
+  static const ConicLineIntersectionType* instance();
+  ObjectImp* calc( const Args& parents, const KigDocument& ) const;
+  const ObjectImpType* resultId() const;
+};
+
+/**
+ * conic line 'other' intersection.  In case we already know one of the
+ * two intersections
+ */
+class ConicLineOtherIntersectionType
+  : public ArgsParserObjectType
+{
+  ConicLineOtherIntersectionType();
+  ~ConicLineOtherIntersectionType();
+public:
+  static const ConicLineOtherIntersectionType* instance();
+  ObjectImp* calc( const Args& parents, const KigDocument& ) const;
+  const ObjectImpType* resultId() const;
+};
+
+class LineLineIntersectionType
+  : public ArgsParserObjectType
+{
+  LineLineIntersectionType();
+  ~LineLineIntersectionType();
+public:
+  static const LineLineIntersectionType* instance();
+  ObjectImp* calc( const Args& parents, const KigDocument& ) const;
+  const ObjectImpType* resultId() const;
+};
+
+class LineCubicIntersectionType
+  : public ArgsParserObjectType
+{
+  LineCubicIntersectionType();
+  ~LineCubicIntersectionType();
+public:
+  static const LineCubicIntersectionType* instance();
+  ObjectImp* calc( const Args& parents, const KigDocument& ) const;
+  const ObjectImpType* resultId() const;
+};
+
+class CircleCircleIntersectionType
+  : public ArgsParserObjectType
+{
+  CircleCircleIntersectionType();
+  ~CircleCircleIntersectionType();
+public:
+  static const CircleCircleIntersectionType* instance();
+  ObjectImp* calc( const Args& parents, const KigDocument& ) const;
+  const ObjectImpType* resultId() const;
+};
+
+/**
+ * arc line intersection.
+ */
+class ArcLineIntersectionType
+  : public ArgsParserObjectType
+{
+  ArcLineIntersectionType();
+  ~ArcLineIntersectionType();
+public:
+  static const ArcLineIntersectionType* instance();
+  ObjectImp* calc( const Args& parents, const KigDocument& ) const;
+  const ObjectImpType* resultId() const;
+};
+
+#endif