svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / GraphicLayer.java @ 12043
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/*
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* Created on 19-sep-2005
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*
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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 2
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.layers; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import javax.print.attribute.PrintRequestAttributeSet; |
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import org.cresques.cts.ICoordTrans; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.core.v02.FGraphicUtilities; |
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import com.iver.cit.gvsig.fmap.rendering.FGraphic; |
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import com.iver.utiles.swing.threads.Cancellable; |
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import com.vividsolutions.jts.index.ItemVisitor; |
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import com.vividsolutions.jts.index.SpatialIndex; |
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import com.vividsolutions.jts.index.quadtree.Quadtree; |
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public class GraphicLayer extends FLyrDefault { |
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private ArrayList graphics = new ArrayList(); |
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private ArrayList symbols = new ArrayList(); |
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private Rectangle2D fullExtent; |
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private SpatialIndex spatialIndex = new Quadtree(); |
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private FBitSet selection = new FBitSet(); |
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public GraphicLayer() {
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super();
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()
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*/
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public Rectangle2D getFullExtent() { |
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return fullExtent;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage, java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.cit.gvsig.fmap.operations.Cancellable, double)
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*/
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale) throws ReadDriverException { |
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if (isVisible() && isWithinScale(scale)){
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drawGraphics(image, g, viewPort, cancel); |
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} |
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} |
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/**
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* Generic visitor pattern. It may be used for queryByRect, byPoint,
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* by polygon, etc.
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* @param visitor
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* @param cancel
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*/
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public void process(ItemVisitor visitor, Cancellable cancel) |
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{ |
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int numReg;
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for (numReg = 0; numReg < graphics.size(); numReg++) { |
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if(cancel != null){ |
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if (cancel.isCanceled()) {
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break;
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} |
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} |
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FGraphic theGraphic = (FGraphic) graphics.get(numReg); |
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visitor.visitItem(theGraphic); |
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} |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.cit.gvsig.fmap.operations.Cancellable, double)
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*/
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintRequestAttributeSet properties) throws ReadDriverException { |
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if (isVisible() && isWithinScale(scale)){
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drawGraphics(null, g, viewPort, cancel);
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} |
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} |
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private void drawGraphics(BufferedImage image, Graphics2D g, |
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ViewPort viewPort, Cancellable cancel) |
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{ |
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int numReg;
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Rectangle2D elExtent = viewPort.getAdjustedExtent();
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if (elExtent == null) return; |
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//int anchoMapa;
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//int altoMapa;
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//double anchoReal;
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//double altoReal;
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//double escala;
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ISymbol theSymbol = null;
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ICoordTrans ct = getCoordTrans(); |
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for (numReg = 0; numReg < graphics.size(); numReg++) { |
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if (cancel.isCanceled()) {
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break;
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} |
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FGraphic theGraphic = (FGraphic) graphics.get(numReg); |
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IGeometry geom = theGraphic.getGeom(); |
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// Modificaci?n para Jorge, para que le reproyecte los gr?ficos.
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if (ct != null) { |
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geom = geom.cloneGeometry(); |
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geom.reProject(ct); |
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} |
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if (geom.fastIntersects(elExtent.getMinX(),
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elExtent.getMinY(), elExtent.getWidth(), elExtent.getHeight())) |
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{ |
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theSymbol = (ISymbol) symbols.get(theGraphic.getIdSymbol()); |
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if (theSymbol == null) |
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continue;
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if (selection.get(numReg)) // Si est? seleccinado |
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{ |
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FGraphicUtilities.DrawHandlers(g, viewPort.getAffineTransform(), geom.getHandlers(IGeometry.SELECTHANDLER), theSymbol); |
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} |
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else
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{ |
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theGraphic.draw(g, viewPort, theSymbol); |
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} |
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} |
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} |
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} |
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public int addSymbol(ISymbol newSymbol) |
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{ |
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if (symbols.add(newSymbol))
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return symbols.size()-1; |
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return -1; |
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} |
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/**
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* Add a graphic to the graphic layer.
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* @param g
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*/
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public void addGraphic(FGraphic g) |
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{ |
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if (graphics.add(g))
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{ |
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// spatialIndex.insert(g.getGeom().getBounds2D())
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if (fullExtent == null) { |
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fullExtent = g.getGeom().getBounds2D(); |
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} else {
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fullExtent.add(g.getGeom().getBounds2D()); |
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} |
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// return graphics.size()-1;
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} |
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// return -1;
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} |
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public void insertGraphic(int position, FGraphic g) { |
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graphics.add(position, g); |
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if (fullExtent == null) { |
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fullExtent = g.getGeom().getBounds2D(); |
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} else {
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fullExtent.add(g.getGeom().getBounds2D()); |
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} |
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} |
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/**
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*
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*/
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public void clearAllGraphics() |
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{ |
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graphics.clear(); |
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fullExtent = null;
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} |
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/**
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*
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*/
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public void clearSymbolsGraphics() |
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{ |
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symbols.clear(); |
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} |
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public FBitSet getSelection() {
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return selection;
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} |
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public void setSelection(FBitSet selection) { |
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this.selection = selection;
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} |
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public FBitSet queryByRect(Rectangle2D r) { |
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FBitSet newSel = new FBitSet();
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for (int numReg = 0; numReg < graphics.size(); numReg++) { |
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FGraphic theGraphic = (FGraphic) graphics.get(numReg); |
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IGeometry geom = theGraphic.getGeom(); |
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if (geom.intersects(r))
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{ |
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newSel.set(numReg); |
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} |
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} |
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return newSel;
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} |
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public void removeGraphic(FGraphic graphic) { |
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graphics.remove(graphic); |
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reCalculateFullExtent(); |
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} |
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public FGraphic getGraphic(int idGraphic) { |
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return (FGraphic) graphics.get(idGraphic);
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} |
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public FGraphic getGraphicByObjectTag(Object objectTag) { |
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for (int i = 0; i < graphics.size(); i++) { |
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FGraphic theGraphic = (FGraphic) graphics.get(i); |
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if (theGraphic.getObjectTag() == objectTag)
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return theGraphic;
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} |
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return null; |
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} |
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public int getNumGraphics() { |
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return graphics.size();
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} |
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private void reCalculateFullExtent(){ |
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if (graphics.size() > 0) { |
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FGraphic g = (FGraphic) graphics.get(0);
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fullExtent = g.getGeom().getBounds2D(); |
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for (int i = 1; i < graphics.size(); i++) { |
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g = (FGraphic) graphics.get(i); |
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Rectangle2D rAux = g.getGeom().getBounds2D();
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fullExtent.add(rAux); |
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} |
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} |
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} |
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public void inserGraphics(int index, Collection c) { |
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graphics.addAll(index, c); |
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} |
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} |