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root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / styling / AbstractPlacementConstraints.java @ 11138

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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) 2005 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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/* CVS MESSAGES:
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*
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* $Id: AbstractPlacementConstraints.java 11138 2007-04-11 16:01:08Z jaume $
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* $Log$
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* Revision 1.3  2007-04-11 16:01:08  jaume
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* maybe a label placer refactor
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*
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* Revision 1.2  2007/03/09 08:33:43  jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.2  2007/02/15 16:23:44  jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1  2007/02/09 07:47:05  jaume
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* Isymbol moved
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*
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* Revision 1.1.2.3  2007/02/02 16:21:24  jaume
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* start commiting labeling stuff
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*
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* Revision 1.1.2.2  2007/02/01 11:42:47  jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1  2007/01/30 18:10:45  jaume
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* start commiting labeling stuff
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*
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* Revision 1.1.2.1  2007/01/26 13:49:03  jaume
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* *** empty log message ***
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*
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*
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*/
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package com.iver.cit.gvsig.fmap.rendering.styling;
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import com.iver.cit.gvsig.fmap.core.FShape;
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/**
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 * @author  jaume dominguez faus - jaume.dominguez@iver.es
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 */
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public abstract class AbstractPlacementConstraints implements Cloneable, IPlacementConstraints {
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        private int shapeType;
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        private int duplicateLabelsMode = ONE_LABEL_PER_FEATURE_PART; // default duplicate treatment
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        private int placementMode;
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        public void setDuplicateLabelsMode(int mode) {
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                if (mode != REMOVE_DUPLICATE_LABELS &&
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                        mode != ONE_LABEL_PER_FEATURE &&
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                        mode != ONE_LABEL_PER_FEATURE_PART)
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                        throw new IllegalArgumentException(
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                                        "Only REMOVE_DUPLICATE_LABELS, " +
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                                        "ONE_LABEL_PER_FEATURE " +
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                                        "or ONE_LABEL_PER_FEATURE_PARTS allowed");
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                this.duplicateLabelsMode = mode;
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        }
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        public void setPlacementMode(int mode) {
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                switch (shapeType) {
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                case FShape.POINT:
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                        if (mode != OFFSET_HORIZONTALY_AROUND_THE_POINT &&
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                                mode != ON_TOP_OF_THE_POINT &&
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                                mode != AT_SPECIFIED_ANGLE &&
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                                mode != AT_ANGLE_SPECIFIED_BY_A_FIELD)
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                                throw new IllegalArgumentException(
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                                                "Only OFFSET_HORIZONTALY_AROUND_THE_POINT, " +
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                                                "ON_TOP_OF_THE_POINT, " +
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                                                "AT_SPECIFIED_ANGLE " +
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                                                "or AT_ANGLE_SPECIFIED_BY_A_FIELD allowed for points");
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                        break;
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                case FShape.POLYGON:
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                        if (mode != HORIZONTAL &&
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                                mode != PARALLEL )
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                                        throw new IllegalArgumentException(
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                                                        "Only HORIZONTAL, " +
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                                                        "or PARALEL allowed for polygons");
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                        break;
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                case FShape.LINE:
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                        if (mode != HORIZONTAL &&
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                                mode != PARALLEL &&
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                                mode != FOLLOWING_LINE &&
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                                mode != PERPENDICULAR)
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                                throw new IllegalArgumentException(
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                                                "Only HORIZONTAL, " +
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                                                "or PARALEL allowed for lines");
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                        break;
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                }
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                this.placementMode = mode;
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        }
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        public boolean isHorizontal() {
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                return placementMode % 100 == HORIZONTAL;
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        }
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        public boolean isPerpendicular() {
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                return placementMode % 100 == PERPENDICULAR;
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        }
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        public boolean isFollowingLine() {
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                return placementMode % 100 == FOLLOWING_LINE;
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        }
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        public boolean isParallel() {
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                return placementMode % 100 == PARALLEL;
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        }
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        public int getDuplicateLabelsMode() {
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                return duplicateLabelsMode;
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        }
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        /**
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         * Tells if the place mode selected is to put the label over the <b>POINT</b>
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         * @return boolean
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         */
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        public boolean isOnTopOfThePoint() {
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                return placementMode == ON_TOP_OF_THE_POINT;
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        }
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        public boolean isAtTheBeginingOfLine() {
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                return placementMode / 10000 == 1;
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        }
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        public boolean isAtTheEndOfLine() {
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                return placementMode / 10000 == 2;
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        }
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        public boolean isBellowTheLine() {
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                return placementMode / 1000 == 12;
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        }
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        public boolean isAboveTheLine() {
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                return placementMode / 100 == 10;
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        }
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        public boolean isPageOriented() {
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                return placementMode / 100000 == 1;
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        }
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        public boolean isLineOriented() {
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                return placementMode / 100000 == 2;
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        }
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}