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 @ 43511
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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.util.ArrayList; |
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| 27 | |||
| 28 | import org.gvsig.fmap.geom.Geometry; |
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| 29 | import org.gvsig.fmap.geom.Geometry.TYPES; |
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| 30 | import org.gvsig.fmap.geom.type.GeometryType; |
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| 31 | import org.gvsig.fmap.mapcontext.ViewPort; |
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| 32 | import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass; |
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| 33 | import org.gvsig.fmap.mapcontext.rendering.legend.styling.IPlacementConstraints; |
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| 34 | import org.gvsig.symbology.fmap.mapcontext.rendering.legend.styling.LabelLocationMetrics; |
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| 35 | import org.gvsig.tools.task.Cancellable; |
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| 36 | |||
| 37 | public class MultiShapePlacement implements ILabelPlacement { |
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| 38 | 43510 | jjdelcerro | private final ILabelPlacement pointPlacement; |
| 39 | private final ILabelPlacement linePlacement; |
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| 40 | private final ILabelPlacement polygonPlacement; |
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| 41 | 40911 | jldominguez | |
| 42 | |||
| 43 | /**
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| 44 | * Creates a new instance of MultiShapePlacement initializing the respective
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| 45 | * placements to those passed as parameters. Null values are allowed for
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| 46 | * the parameters and will cause that no label will be placed when the
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| 47 | * geometry belongs to such null values.
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| 48 | *
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| 49 | * @param pointPlacement, the placement for points
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| 50 | * @param linePlacement, the placement for lines
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| 51 | * @param polygonPlacement, the placement for polygons
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| 52 | */
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| 53 | public MultiShapePlacement(
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| 54 | ILabelPlacement pointPlacement, |
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| 55 | ILabelPlacement linePlacement, |
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| 56 | ILabelPlacement polygonPlacement) {
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| 57 | this.pointPlacement = pointPlacement;
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| 58 | this.linePlacement = linePlacement;
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| 59 | this.polygonPlacement = polygonPlacement;
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| 60 | } |
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| 61 | |||
| 62 | |||
| 63 | 43510 | jjdelcerro | @Override
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| 64 | 40911 | jldominguez | public ArrayList<LabelLocationMetrics> guess( |
| 65 | ILabelClass lc, |
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| 66 | Geometry geom, |
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| 67 | IPlacementConstraints placementConstraints, |
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| 68 | double cartographicSymbolSize,
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| 69 | Cancellable cancel, ViewPort vp) {
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| 70 | |||
| 71 | MultiShapePlacementConstraints pc = |
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| 72 | (MultiShapePlacementConstraints) placementConstraints; |
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| 73 | |||
| 74 | GeometryType gt = geom.getGeometryType(); |
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| 75 | 43511 | jjdelcerro | if( gt.isTypeOf(TYPES.POINT) || gt.isTypeOf(TYPES.MULTIPOINT) ) {
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| 76 | if( pointPlacement != null ) { |
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| 77 | return pointPlacement.guess(lc, geom, pc.getPointConstraints(), cartographicSymbolSize, cancel, vp);
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| 78 | } |
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| 79 | } else if( gt.isTypeOf(TYPES.CURVE) || gt.isTypeOf(TYPES.MULTICURVE) ) { |
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| 80 | if( linePlacement != null ) { |
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| 81 | return linePlacement.guess(lc, geom, pc.getLineConstraints(), cartographicSymbolSize, cancel, vp);
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| 82 | } |
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| 83 | |||
| 84 | } else if( gt.isTypeOf(TYPES.SURFACE) || gt.isTypeOf(TYPES.MULTISURFACE) ) { |
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| 85 | if( polygonPlacement != null ) { |
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| 86 | return polygonPlacement.guess(lc, geom, pc.getPolygonConstraints(), cartographicSymbolSize, cancel, vp);
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| 87 | } |
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| 88 | |||
| 89 | } |
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| 90 | return CannotPlaceLabel.NO_PLACES;
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| 91 | 40911 | jldominguez | } |
| 92 | |||
| 93 | 43510 | jjdelcerro | @Override
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| 94 | 40911 | jldominguez | public boolean isSuitableFor( |
| 95 | IPlacementConstraints placementConstraints, |
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| 96 | int shapeType) {
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| 97 | // TODO shoud I also ask to each placement if it is suitable
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| 98 | // for these constraints????
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| 99 | return (shapeType == TYPES.GEOMETRY || shapeType == TYPES.AGGREGATE);
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| 100 | } |
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| 101 | |||
| 102 | |||
| 103 | |||
| 104 | |||
| 105 | } |