1 files changed, 82 insertions, 0 deletions
diff --git a/karbon/commands/vbooleancmd.h b/karbon/commands/vbooleancmd.h
new file mode 100644
index 00000000..4320f0d2
--- /dev/null
+++ b/karbon/commands/vbooleancmd.h
@@ -0,0 +1,82 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001, The Karbon Developers
+   Copyright (C) 2002, The Karbon Developers
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#ifndef __VBOOLEANCMD_H__
+#define __VBOOLEANCMD_H__
+
+
+#include <qvaluelist.h>
+
+#include "vcommand.h"
+
+class VSubpath;
+class VSegment;
+class VSelection;
+
+
+class VBooleanCmd : public VCommand
+{
+public:
+	enum VBooleanType
+	{
+		intersect,
+		shape_union,
+		shape_xor,
+		substract
+	};
+
+	VBooleanCmd( VDocument* doc, VBooleanType type = intersect );
+	virtual ~VBooleanCmd();
+
+	virtual void execute();
+	virtual void unexecute();
+
+
+	// We can only visit object pairs.
+	virtual bool visit( VObject& /*object*/ )
+	{
+		return false;
+	}
+
+	// A pair visit() function.
+	bool visit( VObject& object1, VObject& object2 );
+
+
+	virtual void visitVSubpath( VSubpath& path );
+
+protected:
+	typedef QValueList<double> VParamList;
+
+	void recursiveSubdivision(
+		const VSegment& segment1, double t0_1, double t1_1,
+		const VSegment& segment2, double t0_2, double t1_2,
+		VParamList& params1, VParamList& params2 );
+
+
+	VSelection* m_selection;
+
+	VBooleanType m_type;
+
+	VSubpath* m_path1;
+	VSubpath* m_path2;
+};
+
+#endif
+