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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce599e4f9f94b4eb00c1b5edb85bce5431ab3df2 (patch)
treed3bb9f5d25a2dc09ca81adecf39621d871534297 /kig/objects/polygon_imp.h
downloadtdeedu-ce599e4f9f94b4eb00c1b5edb85bce5431ab3df2.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+// Copyright (C) 2004 Pino Toscano <toscano.pino@tiscali.it>
+
+// 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_POLYGON_IMP_H
+#define KIG_OBJECTS_POLYGON_IMP_H
+
+#include "object_imp.h"
+#include "../misc/coordinate.h"
+#include <vector>
+
+/**
+ * An ObjectImp representing a polygon.
+ */
+class PolygonImp
+ : public ObjectImp
+{
+ uint mnpoints;
+ std::vector<Coordinate> mpoints;
+ Coordinate mcenterofmass;
+public:
+ typedef ObjectImp Parent;
+ /**
+ * Returns the ObjectImpType representing the PolygonImp type..
+ */
+ static const ObjectImpType* stype();
+ static const ObjectImpType* stype3();
+ static const ObjectImpType* stype4();
+
+ /**
+ * Constructs a polygon.
+ */
+ PolygonImp( const std::vector<Coordinate>& points );
+ PolygonImp( const uint nsides, const std::vector<Coordinate>& points,
+ const Coordinate& centerofmass );
+ ~PolygonImp();
+ PolygonImp* copy() const;
+
+ Coordinate attachPoint() const;
+ ObjectImp* transform( const Transformation& ) const;
+
+ void draw( KigPainter& p ) const;
+ bool contains( const Coordinate& p, int width, const KigWidget& ) const;
+ bool inRect( const Rect& r, int width, const KigWidget& ) const;
+ bool valid() const;
+ Rect surroundingRect() const;
+
+ const uint numberOfProperties() const;
+ const QCStringList properties() const;
+ const QCStringList propertiesInternalNames() const;
+ ObjectImp* property( uint which, const KigDocument& w ) const;
+ const char* iconForProperty( uint which ) const;
+ const ObjectImpType* impRequirementForProperty( uint which ) const;
+ bool isPropertyDefinedOnOrThroughThisImp( uint which ) const;
+
+ const ObjectImpType* type() const;
+ void visit( ObjectImpVisitor* vtor ) const;
+
+ /**
+ * Returns the vector with polygon points.
+ */
+ const std::vector<Coordinate> points() const;
+ /**
+ * Returns the center of mass of the polygon.
+ */
+ const Coordinate centerOfMass() const;
+ /**
+ * Returns the number of points of this polygon.
+ */
+ const uint npoints() const;
+
+ bool equals( const ObjectImp& rhs ) const;
+ bool isInPolygon( const Coordinate& p ) const;
+ int windingNumber() const;
+ bool isMonotoneSteering() const;
+ bool isConvex() const;
+};
+
+std::vector<Coordinate> computeConvexHull( const std::vector<Coordinate>& points );
+
+#endif