svn-gvsig-desktop / trunk / extSymbology / src / org / gvsig / symbology / fmap / labeling / placements / MarkerPlacementOnPoint.java @ 18755
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1 | 18755 | jdominguez | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package org.gvsig.symbology.fmap.labeling.placements; |
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42 | |||
43 | import java.awt.geom.Point2D; |
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44 | import java.awt.geom.Rectangle2D; |
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45 | import java.util.ArrayList; |
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46 | |||
47 | import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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48 | import com.iver.cit.gvsig.fmap.core.FShape; |
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49 | import com.iver.cit.gvsig.fmap.rendering.styling.labeling.IPlacementConstraints; |
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50 | import com.iver.cit.gvsig.fmap.rendering.styling.labeling.LabelClass; |
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51 | import com.iver.cit.gvsig.fmap.rendering.styling.labeling.LabelLocationMetrics; |
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52 | import com.iver.utiles.swing.threads.Cancellable; |
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53 | |||
54 | public class MarkerPlacementOnPoint implements ILabelPlacement{ |
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55 | |||
56 | public ArrayList<LabelLocationMetrics> guess(LabelClass lc, FShape shp, |
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57 | IPlacementConstraints placementConstraints, double cartographicSymbolSize, Cancellable cancel) {
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58 | |||
59 | if (cancel.isCanceled()) return CannotPlaceLabel.NO_PLACES; |
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60 | |||
61 | ArrayList<LabelLocationMetrics> guessed = new ArrayList<LabelLocationMetrics>(); |
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62 | FPoint2D fp = (FPoint2D) shp; |
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63 | Point2D p = new Point2D.Double(fp.getX(), fp.getY()); |
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64 | Rectangle2D bounds = lc.getBounds();
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65 | p.setLocation(p.getX() - (bounds.getWidth()*0.5), p.getY() - bounds.getHeight() - 2); |
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66 | guessed.add(new LabelLocationMetrics(
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67 | p, 0, true)); |
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68 | return guessed;
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69 | } |
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70 | |||
71 | public boolean isSuitableFor(IPlacementConstraints placementConstraints, |
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72 | int shapeType) {
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73 | if (shapeType == FShape.POINT) {
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74 | return placementConstraints.isOnTopOfThePoint();
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75 | } |
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76 | return false; |
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77 | } |
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78 | |||
79 | } |