Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 203 insertions, 0 deletions

diff --git a/karbon/core/vpath.h b/karbon/core/vpath.h
new file mode 100644
index 00000000..3287a75e
--- /dev/null
+++ b/karbon/core/vpath.h
@@ -0,0 +1,203 @@
+/* This file is part of the KDE project
+   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 __VPATH_H__
+#define __VPATH_H__
+
+
+#include <KoPoint.h>
+
+#include "vobject.h"
+#include <koffice_export.h>
+
+class QDomElement;
+class QWMatrix;
+class VSubpathIteratorList;
+class VSegment;
+class VVisitor;
+
+
+/**
+ * VSubpath provides a sophisticated list of VSegment. Noted: it also may contain
+ * segments which are marked "deleted". If you are not interested in those undo/redo
+ * housholding data, please always use a VSubpathIterator to access segments.
+ */
+
+class KARBONBASE_EXPORT VSubpath : public VObject
+{
+	friend class VSubpathIterator;
+
+public:
+	VSubpath( VObject* parent );
+	VSubpath( const VSubpath& list );
+	VSubpath( const VSegment& segment );
+	virtual ~VSubpath();
+
+	const KoPoint& currentPoint() const;
+
+	bool moveTo( const KoPoint& p );
+	bool lineTo( const KoPoint& p );
+	bool curveTo(
+		const KoPoint& p1, const KoPoint& p2, const KoPoint& p3 );
+	bool curve1To(
+		const KoPoint& p2, const KoPoint& p3 );
+	bool curve2To(
+		const KoPoint& p1, const KoPoint& p3 );
+	bool arcTo(
+		const KoPoint& p1, const KoPoint& p2, const double r );
+
+	bool isClosed() const
+	{
+		return m_isClosed;
+	}
+
+	void close();
+
+
+	/**
+	 * Returns true if point p is located inside the path.
+	 * The winding number test is used.
+	 */
+	bool pointIsInside( const KoPoint& p ) const;
+
+	/**
+	 * Returns true if the segment intersects this path.
+	 */
+	bool intersects( const VSegment& segment ) const;
+
+
+	/**
+	 * Returns false if segmentlist is oriented clockwise.
+	 */
+	bool counterClockwise() const;
+
+	/**
+	 * Reverts the winding orientation.
+	 */
+	void revert();
+
+
+	/**
+	 * Returns true if the current path is "emtpy". That means that it has
+	 * zero or just one ( == "begin") segment.
+	 */
+	bool isEmpty() const
+	{
+		return count() <= 1;
+	}
+
+
+	virtual const KoRect& boundingBox() const;
+
+
+	virtual void save( QDomElement& /*element*/) const
+		{ }	// VSubpaths cant be saved.
+
+	// TODO: remove this backward compatibility function after koffice 1.3.x
+	virtual void load( const QDomElement& element );
+
+	void saveSvgPath( QString & ) const;
+
+
+	virtual VSubpath* clone() const;
+
+	virtual void accept( VVisitor& visitor );
+
+
+	// General list stuff.
+	VSubpath& operator=( const VSubpath& list );
+
+	bool insert( const VSegment* segment );
+	bool insert( uint i, const VSegment* segment );
+	void prepend( const VSegment* segment );
+	void append( const VSegment* segment );
+	void clear();
+
+	uint count() const
+	{
+		return m_number;
+	}
+
+	VSegment* current() const
+	{
+		return m_current;
+	}
+
+	VSegment* getFirst() const
+	{
+		return m_first;
+	}
+
+	VSegment* getLast() const
+	{
+		return m_last;
+	}
+
+	VSegment* first();
+	VSegment* last();
+	VSegment* prev();
+	VSegment* next();
+
+private:
+	VSegment* locate( uint index );
+
+	VSegment* m_first;
+	VSegment* m_last;
+	VSegment* m_current;
+
+	int m_currentIndex;
+	uint m_number : 31;
+
+	bool m_isClosed : 1;
+
+	VSubpathIteratorList* m_iteratorList;
+};
+
+
+/**
+ * VSubpathIterator provides an iterator class for highlevel path access.
+ * Use VSubpathIterator whenever you want to access segments but are not interested
+ * in undo/redo operations with (deleted) segments.
+ */
+
+class KARBONBASE_EXPORT VSubpathIterator
+{
+	friend class VSubpathIteratorList;
+
+public:
+	VSubpathIterator( const VSubpath& list );
+	VSubpathIterator( const VSubpathIterator& itr );
+	~VSubpathIterator();
+
+	VSubpathIterator& operator=( const VSubpathIterator& itr );
+
+	VSegment* current() const;
+	VSegment* operator()();
+	VSegment* operator++();
+	VSegment* operator+=( uint i );
+	VSegment* operator--();
+	VSegment* operator-=( uint i );
+
+private:
+	VSubpath* m_list;
+	VSegment* m_current;
+};
+
+#endif
+