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 / MarkerPlacementOnPoint.java @ 43510
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1 | 43510 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40911 | jldominguez | *
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4 | 43510 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40911 | jldominguez | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 43510 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40911 | jldominguez | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 43510 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40911 | jldominguez | *
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21 | 43510 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40911 | jldominguez | */
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24 | package org.gvsig.labeling.placements; |
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25 | |||
26 | import java.awt.geom.Point2D; |
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27 | import java.awt.geom.Rectangle2D; |
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28 | import java.util.ArrayList; |
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29 | |||
30 | import org.gvsig.fmap.geom.Geometry; |
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31 | import org.gvsig.fmap.geom.Geometry.TYPES; |
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32 | 43510 | jjdelcerro | import org.gvsig.fmap.geom.GeometryLocator; |
33 | import org.gvsig.fmap.geom.GeometryManager; |
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34 | 40911 | jldominguez | import org.gvsig.fmap.geom.primitive.Point; |
35 | import org.gvsig.fmap.mapcontext.ViewPort; |
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36 | import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass; |
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37 | import org.gvsig.fmap.mapcontext.rendering.legend.styling.IPlacementConstraints; |
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38 | import org.gvsig.symbology.fmap.mapcontext.rendering.legend.styling.LabelLocationMetrics; |
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39 | import org.gvsig.tools.task.Cancellable; |
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40 | import org.slf4j.Logger; |
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41 | import org.slf4j.LoggerFactory; |
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42 | |||
43 | |||
44 | public class MarkerPlacementOnPoint implements ILabelPlacement{ |
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45 | |||
46 | private Logger logger = LoggerFactory.getLogger(MarkerPlacementOnPoint.class); |
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47 | |||
48 | public ArrayList<LabelLocationMetrics> guess( |
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49 | ILabelClass lc, |
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50 | Geometry shp, |
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51 | IPlacementConstraints placementConstraints, |
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52 | double cartographicSymbolSize, Cancellable cancel) {
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53 | |||
54 | 43510 | jjdelcerro | if (cancel.isCanceled()) {
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55 | return CannotPlaceLabel.NO_PLACES;
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56 | } |
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57 | 40911 | jldominguez | |
58 | ArrayList<LabelLocationMetrics> guessed = new ArrayList<LabelLocationMetrics>(); |
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59 | |||
60 | Point cen = null; |
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61 | try {
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62 | cen = shp.centroid(); |
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63 | } catch (Exception ex) { |
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64 | logger.error("While getting centroid", ex);
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65 | } |
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66 | Point2D p = new Point2D.Double(cen.getX(), cen.getY()); |
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67 | Rectangle2D bounds = lc.getBounds();
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68 | //FIXME: Con este posicionamiento, es identico al MarkerCenteredAtPoint
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69 | //pero es as? como lo hacen otros programas
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70 | //(tal vez, hubo una confusi?n por el nombre de la constante ON_TOP_OF_THE_POINT).
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71 | //Entonces sobrar?a el posicionamiento MarkerCenteredAtPoint debiendose utilizar siempre ?ste.
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72 | p.setLocation(p.getX() - (bounds.getWidth()*0.5), p.getY() - (bounds.getHeight()*0.5));// - 2); |
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73 | guessed.add(new LabelLocationMetrics(
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74 | p, 0, true)); |
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75 | return guessed;
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76 | } |
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77 | |||
78 | |||
79 | 43510 | jjdelcerro | @Override
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80 | 40911 | jldominguez | public ArrayList<LabelLocationMetrics> guess( |
81 | ILabelClass lc, |
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82 | Geometry geom, |
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83 | IPlacementConstraints placementConstraints, |
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84 | double cartographicSymbolSize, Cancellable cancel, ViewPort vp) {
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85 | |||
86 | if (cancel.isCanceled()) return CannotPlaceLabel.NO_PLACES; |
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87 | |||
88 | Geometry shp = geom.cloneGeometry(); |
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89 | shp.transform(vp.getAffineTransform()); |
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90 | |||
91 | ArrayList<LabelLocationMetrics> guessed =
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92 | new ArrayList<LabelLocationMetrics>(); |
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93 | |||
94 | Point cen = null; |
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95 | try {
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96 | cen = shp.centroid(); |
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97 | } catch (Exception ex) { |
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98 | logger.error("While getting centroid", ex);
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99 | } |
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100 | Point2D p = new Point2D.Double(cen.getX(), cen.getY()); |
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101 | Rectangle2D bounds = lc.getBounds();
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102 | //FIXME: Con este posicionamiento, es identico al MarkerCenteredAtPoint
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103 | //pero es as? como lo hacen otros programas
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104 | //(tal vez, hubo una confusi?n por el nombre de la constante ON_TOP_OF_THE_POINT).
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105 | //Entonces sobrar?a el posicionamiento MarkerCenteredAtPoint debiendose utilizar siempre ?ste.
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106 | p.setLocation(p.getX() - (bounds.getWidth()*0.5), p.getY() - bounds.getHeight()*0.5);// - 2); |
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107 | guessed.add(new LabelLocationMetrics(
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108 | p, 0, true)); |
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109 | return guessed;
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110 | } |
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111 | |||
112 | 43510 | jjdelcerro | @Override
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113 | 40911 | jldominguez | public boolean isSuitableFor( |
114 | IPlacementConstraints placementConstraints, |
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115 | int shapeType) {
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116 | 43510 | jjdelcerro | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
117 | if( geomManager.isSubtype(TYPES.POINT, shapeType) ) {
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118 | return placementConstraints != null && placementConstraints.isOnTopOfThePoint(); |
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119 | 40911 | jldominguez | } else{
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120 | return false; |
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121 | } |
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122 | |||
123 | } |
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124 | |||
125 | |||
126 | |||
127 | } |