root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / styling / IPlacementConstraints.java @ 11192
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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: IPlacementConstraints.java 11192 2007-04-13 11:59:30Z jaume $
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* $Log$
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* Revision 1.7 2007-04-13 11:59:30 jaume
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* *** empty log message ***
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*
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* Revision 1.6 2007/04/12 16:01:11 jaume
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* *** empty log message ***
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*
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* Revision 1.5 2007/04/12 14:28:43 jaume
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* basic labeling support for lines
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*
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* Revision 1.4 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 1.3 2007/04/02 16:34:56 jaume
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* Styled labeling (start commiting)
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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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*
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*/
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package com.iver.cit.gvsig.fmap.rendering.styling; |
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import java.awt.Graphics2D; |
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import java.awt.geom.AffineTransform; |
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import org.cresques.px.gml.MultiPolygon; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.symbols.ITextSymbol; |
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import com.iver.utiles.IPersistance; |
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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 interface IPlacementConstraints extends IPersistance { |
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// constants regarding label duplication
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public static final int REMOVE_DUPLICATE_LABELS = 2; |
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public static final int ONE_LABEL_PER_FEATURE = 3; |
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public static final int ONE_LABEL_PER_FEATURE_PART = 4; |
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// constants regarding point settings
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public static final int OFFSET_HORIZONTALY_AROUND_THE_POINT = 5; |
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public static final int ON_TOP_OF_THE_POINT = 6; |
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public static final int AT_SPECIFIED_ANGLE = 7; |
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public static final int AT_ANGLE_SPECIFIED_BY_A_FIELD = 8; |
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// constants regarding polygon settings (also apply for lines)
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public static final int HORIZONTAL = 9; |
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public static final int PARALLEL = 10; |
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// constants regarding line settings
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public static final int FOLLOWING_LINE = 11; |
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public static final int PERPENDICULAR = 12; |
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// constants regarding the location along the line
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public static final int AT_THE_END_OF_THE_LINE = 13; |
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public static final int AT_THE_MIDDLE_OF_THE_LINE = 14; |
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public static final int AT_THE_BEGINING_OF_THE_LINE = 15; |
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public abstract void setPlacementMode(int mode); |
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// regarding label position along the line
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public abstract boolean isBellowTheLine(); |
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public abstract void setBellowTheLine(boolean b); |
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public abstract boolean isAboveTheLine(); |
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public abstract void setAboveTheLine(boolean b); |
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public abstract void setLocationAlongTheLine(int location); |
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// regarding the orientation system
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public abstract boolean isPageOriented(); |
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public abstract void setPageOriented(boolean b); |
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// regarding the label duplication
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public abstract void setDuplicateLabelsMode(int mode); |
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public abstract int getDuplicateLabelsMode(); |
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/**
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* Calculates the position where the next label will be placed. Or null
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* if the label does not have to be placed.
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*
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* @param geom, the geometry surface
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* @param label, the label to be placed
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* @param MultiPolygon exclusionZone
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* @return FShape[], the FShapes where the label will be placed
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*/
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public abstract FShape[] getLocationsFor(IGeometry geom, FShape labelShape, |
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MultiPolygon exclusionZone); |
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public abstract void placeLabel(Graphics2D g, IGeometry geom, |
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LabelClass lc, MultiPolygon exclusionZone, AffineTransform transform);
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public abstract boolean isParallel(); |
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public abstract boolean isFollowingLine(); |
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public abstract boolean isPerpendicular(); |
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public abstract boolean isHorizontal(); |
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} |