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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package com.iver.cit.gvsig.fmap.core;
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import org.cresques.cts.ICoordTrans;
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import java.awt.Shape;
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import java.awt.geom.AffineTransform;
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import java.io.Serializable;
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/**
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 * <p>The interface <code>FShape</code> extends <code>Shape</code> adding shape types, and allowing
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 *  to work with it as a geometry.</p>
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 */
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public interface FShape extends Shape, Serializable {
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        /**
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         * Unknown or not defined type. 
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         */
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        public final static int NULL = 0;
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        /**
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         * A geometric element that has zero dimensions and a location determinable by an ordered set
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         *  of coordinates
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         */
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        public final static int POINT = 1;
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        /**
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         * A straight or curved geometric element that is generated by a moving point and that has extension
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         *  only along the path of the point.
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         */
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        public final static int LINE = 2;
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        /**
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         * A closed plane figure bounded by straight lines.
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         */
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        public final static int POLYGON = 4;
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        /**
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         * Words, symbols and form of a written or printed work.
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         */
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        public final static int TEXT = 8;
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        /**
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         * A set that can contain points, lines and polygons. This is usual in <i>CAD</i> layers <i>(dxf, dgn, dwg)</i>.
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         */
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        public final static int MULTI = 16;
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        /**
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         * A set of points.
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         */
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        public final static int MULTIPOINT = 32;
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        /**
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         * A closed plane curve every point of which is equidistant from a fixed point within the curve.
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         */
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        public final static int CIRCLE = 64;
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        /**
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         * A continuous portion (as of a circle or ellipse) of a curved line.
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         */
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        public final static int ARC = 128;
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        /**
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         *  A closed plane curve generated by a point moving in such a way that the sums of its distances
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         *   from two fixed points is a constant : a plane section of a right circular cone that is a closed
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         *   curve.
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         */
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        public final static int ELLIPSE=256;
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        /**
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         * Indicates third coordinate. And can be combined with other geometries via the bits enabled.
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         */
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        public final static int Z=512;
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        /**
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         * Gets the geometry type of this shape.
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         *
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         * @return int the geometry type of this shape.
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         */
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        public int getShapeType();
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        /**
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         * Creates and returns a shape equal and independent of this one.
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         *
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         * @return the new shape.
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         */
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        public FShape cloneFShape();
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        /**
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         * Re-projects this shape using transformation coordinates. 
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         *
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         * @param ct the transformation coordinates
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         */
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        public void reProject(ICoordTrans ct);
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        /**
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         * Returns the handlers they utilized to stretch the geometries.
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         *
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         * @return Handlers the handlers used to stretch the geometries
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         */
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        public Handler[] getStretchingHandlers();
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        /**
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         * Returns the handlers used to select the geometries.
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         *
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         * @return Handlers the handlers used to select the geometries
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         */
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        public Handler[] getSelectHandlers();
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        /**
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         * Executes a 2D transformation on this shape, using six parameters.
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         * 
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         * @param at object that allows execute the affine transformation
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         * 
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         * @see AffineTransform
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         */
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        public void transform(AffineTransform at);
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}