svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.labeling.app / org.gvsig.labeling.app.mainplugin / src / main / java / org / gvsig / labeling / placements / MultiShapePlacement.java @ 43510
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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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 3
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.labeling.placements; |
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import java.util.ArrayList; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass; |
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import org.gvsig.fmap.mapcontext.rendering.legend.styling.IPlacementConstraints; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.legend.styling.LabelLocationMetrics; |
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import org.gvsig.tools.task.Cancellable; |
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public class MultiShapePlacement implements ILabelPlacement { |
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private final ILabelPlacement pointPlacement; |
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private final ILabelPlacement linePlacement; |
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private final ILabelPlacement polygonPlacement; |
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/**
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* Creates a new instance of MultiShapePlacement initializing the respective
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* placements to those passed as parameters. Null values are allowed for
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* the parameters and will cause that no label will be placed when the
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* geometry belongs to such null values.
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*
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* @param pointPlacement, the placement for points
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* @param linePlacement, the placement for lines
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* @param polygonPlacement, the placement for polygons
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*/
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public MultiShapePlacement(
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ILabelPlacement pointPlacement, |
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ILabelPlacement linePlacement, |
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ILabelPlacement polygonPlacement) { |
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this.pointPlacement = pointPlacement;
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this.linePlacement = linePlacement;
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this.polygonPlacement = polygonPlacement;
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} |
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@Override
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public ArrayList<LabelLocationMetrics> guess( |
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ILabelClass lc, |
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Geometry geom, |
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IPlacementConstraints placementConstraints, |
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double cartographicSymbolSize,
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Cancellable cancel, ViewPort vp) { |
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MultiShapePlacementConstraints pc = |
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(MultiShapePlacementConstraints) placementConstraints; |
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GeometryType gt = geom.getGeometryType(); |
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if (gt.getType() == TYPES.POINT || gt.getType() == TYPES.MULTIPOINT) {
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if (pointPlacement != null) { |
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return pointPlacement.guess(lc, geom, pc.getPointConstraints(), cartographicSymbolSize, cancel,vp);
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} |
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} else {
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if (gt.isTypeOf(TYPES.CURVE) || gt.getType() == TYPES.MULTICURVE) {
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if (linePlacement != null) { |
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return linePlacement.guess(lc, geom, pc.getLineConstraints(), cartographicSymbolSize, cancel,vp);
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} |
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} else {
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if (gt.isTypeOf(TYPES.SURFACE) || gt.getType() == TYPES.MULTISURFACE) {
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if (polygonPlacement != null) { |
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return polygonPlacement.guess(lc, geom, pc.getPolygonConstraints(), cartographicSymbolSize, cancel,vp);
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} |
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} |
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} |
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} |
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return CannotPlaceLabel.NO_PLACES;
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} |
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@Override
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public boolean isSuitableFor( |
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IPlacementConstraints placementConstraints, |
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int shapeType) {
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// TODO shoud I also ask to each placement if it is suitable
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// for these constraints????
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return (shapeType == TYPES.GEOMETRY || shapeType == TYPES.AGGREGATE);
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} |
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} |