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 / PolygonPlacementInside.java @ 43510
History | View | Annotate | Download (3.9 KB)
| 1 | 43510 | jjdelcerro | /**
|
|---|---|---|---|
| 2 | * gvSIG. Desktop Geographic Information System.
|
||
| 3 | 40911 | jldominguez | *
|
| 4 | 43510 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
|
| 5 | 40911 | jldominguez | *
|
| 6 | * This program is free software; you can redistribute it and/or
|
||
| 7 | * modify it under the terms of the GNU General Public License
|
||
| 8 | 43510 | jjdelcerro | * as published by the Free Software Foundation; either version 3
|
| 9 | 40911 | jldominguez | * of the License, or (at your option) any later version.
|
| 10 | *
|
||
| 11 | * This program is distributed in the hope that it will be useful,
|
||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
| 14 | * GNU General Public License for more details.
|
||
| 15 | *
|
||
| 16 | * You should have received a copy of the GNU General Public License
|
||
| 17 | * along with this program; if not, write to the Free Software
|
||
| 18 | 43510 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
| 19 | * MA 02110-1301, USA.
|
||
| 20 | 40911 | jldominguez | *
|
| 21 | 43510 | jjdelcerro | * For any additional information, do not hesitate to contact us
|
| 22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
|
||
| 23 | 40911 | jldominguez | */
|
| 24 | package org.gvsig.labeling.placements; |
||
| 25 | |||
| 26 | import java.awt.geom.Point2D; |
||
| 27 | import java.awt.geom.Rectangle2D; |
||
| 28 | import java.util.ArrayList; |
||
| 29 | |||
| 30 | import org.gvsig.fmap.geom.Geometry; |
||
| 31 | import org.gvsig.fmap.geom.Geometry.TYPES; |
||
| 32 | import org.gvsig.fmap.geom.GeometryLocator; |
||
| 33 | 43510 | jjdelcerro | import org.gvsig.fmap.geom.GeometryManager; |
| 34 | 40911 | jldominguez | import org.gvsig.fmap.geom.primitive.Point; |
| 35 | import org.gvsig.fmap.mapcontext.ViewPort; |
||
| 36 | import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass; |
||
| 37 | import org.gvsig.fmap.mapcontext.rendering.legend.styling.IPlacementConstraints; |
||
| 38 | import org.gvsig.symbology.fmap.mapcontext.rendering.legend.styling.LabelLocationMetrics; |
||
| 39 | import org.gvsig.tools.task.Cancellable; |
||
| 40 | import org.slf4j.Logger; |
||
| 41 | import org.slf4j.LoggerFactory; |
||
| 42 | |||
| 43 | public class PolygonPlacementInside extends MarkerPlacementOnPoint implements ILabelPlacement { |
||
| 44 | |||
| 45 | private static final Logger logger = |
||
| 46 | LoggerFactory.getLogger(PolygonPlacementInside.class); |
||
| 47 | |||
| 48 | 43510 | jjdelcerro | @Override
|
| 49 | 40911 | jldominguez | public ArrayList<LabelLocationMetrics> guess( |
| 50 | ILabelClass lc, Geometry geom, |
||
| 51 | IPlacementConstraints placementConstraints, |
||
| 52 | double cartographicSymbolSize, Cancellable cancel, ViewPort vp) {
|
||
| 53 | |||
| 54 | 43510 | jjdelcerro | if (cancel.isCanceled()) {
|
| 55 | return CannotPlaceLabel.NO_PLACES;
|
||
| 56 | } |
||
| 57 | 40911 | jldominguez | |
| 58 | Point int_po = null; |
||
| 59 | |||
| 60 | try {
|
||
| 61 | |||
| 62 | Geometry vp_env = vp.getAdjustedEnvelope().getGeometry(); |
||
| 63 | if (geom.intersects(vp_env)) {
|
||
| 64 | geom = geom.intersection(vp_env); |
||
| 65 | } |
||
| 66 | |||
| 67 | int_po = geom.getInteriorPoint(); |
||
| 68 | } catch (Exception e) { |
||
| 69 | logger.error("While getting interior point.", e);
|
||
| 70 | } |
||
| 71 | return super.guess(lc, |
||
| 72 | int_po, |
||
| 73 | placementConstraints, cartographicSymbolSize, cancel,vp); |
||
| 74 | } |
||
| 75 | |||
| 76 | 43510 | jjdelcerro | @Override
|
| 77 | 40911 | jldominguez | public ArrayList<LabelLocationMetrics> guess( |
| 78 | ILabelClass lc, Geometry geom, |
||
| 79 | IPlacementConstraints placementConstraints, |
||
| 80 | double cartographicSymbolSize, Cancellable cancel) {
|
||
| 81 | |||
| 82 | if (cancel.isCanceled()) return CannotPlaceLabel.NO_PLACES; |
||
| 83 | |||
| 84 | ArrayList<LabelLocationMetrics> guessed =
|
||
| 85 | new ArrayList<LabelLocationMetrics>(); |
||
| 86 | |||
| 87 | Point int_po = null; |
||
| 88 | try {
|
||
| 89 | int_po = geom.getInteriorPoint(); |
||
| 90 | } catch (Exception e) { |
||
| 91 | logger.error("While getting interior point.", e);
|
||
| 92 | } |
||
| 93 | Point2D p = new Point2D.Double(int_po.getX(), int_po.getY()); |
||
| 94 | Rectangle2D bounds = lc.getBounds();
|
||
| 95 | p.setLocation(p.getX() - (bounds.getWidth()*0.5), p.getY() - (bounds.getHeight()*0.5));// - 2); |
||
| 96 | guessed.add(new LabelLocationMetrics(p, 0, true)); |
||
| 97 | return guessed;
|
||
| 98 | } |
||
| 99 | |||
| 100 | 43510 | jjdelcerro | @Override
|
| 101 | 40911 | jldominguez | public boolean isSuitableFor(IPlacementConstraints placementConstraints, |
| 102 | int shapeType) {
|
||
| 103 | |||
| 104 | 43510 | jjdelcerro | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 105 | if( geomManager.isSubtype(TYPES.SURFACE, shapeType) ||
|
||
| 106 | geomManager.isSubtype(TYPES.MULTISURFACE, shapeType) ) {
|
||
| 107 | return placementConstraints != null && |
||
| 108 | (placementConstraints.isFitInsidePolygon() && !placementConstraints.isParallel()); |
||
| 109 | 40911 | jldominguez | } else {
|
| 110 | return false; |
||
| 111 | } |
||
| 112 | |||
| 113 | } |
||
| 114 | |||
| 115 | } |