root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / styling / LinePlacementConstraints.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: LinePlacementConstraints.java 11138 2007-04-11 16:01:08Z jaume $
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* $Log$
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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 1.1.2.1 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.Point; |
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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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/**
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*
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*/
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public class LinePlacementConstraints extends AbstractPlacementConstraints { |
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public FShape[] getLocationsFor(IGeometry geom, FShape labelShape, MultiPolygon exclusionZone) { |
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return new FShape[] { (FShape) geom.getInternalShape() }; |
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} |
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public void placeLabel(IGeometry geom, LabelClass labelShape, MultiPolygon exclusionZone, AffineTransform at) { |
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Point startingPoint;
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if (isFollowingLine()) {
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throw new Error("following line option not yet implemented"); |
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// 1. create text path
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// 2. convert text symbol to SmartTextSymbol if need
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} else {
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if (isAtTheBeginingOfLine()) {
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} else if (isAtTheEndOfLine()) { |
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} else {
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} |
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} |
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/*
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* Now we have the starting point for the text, we will apply the
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* offset to place the text either over, under or above the line
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*/
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if (exclusionZone == null) { |
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// no check for overlapping is needed
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if (isBellowTheLine()) {
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// Offset to be on bellow of the line.
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} else if (isAboveTheLine()) { |
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// Offset to be above the line (inverse offset to under the line)
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} else {
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// No offset.
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} |
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/*
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* Now, we'll need to see who is defining the orientation
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* either the line or the page.
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*/
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if (isPageOriented()) {
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} else {
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// The line defines the orientation.
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} |
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if (isParallel()) {
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// get the line theta and apply it
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} else if (isPerpendicular()) { |
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// get the line theta with 90 degrees
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} |
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} else {
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throw new Error("overlapping detection option not yet implemented"); |
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} |
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} |
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} |