root / branches / Mobile_Compatible_Hito_1 / libFMap / src / es / prodevelop / gvsig / mobile / fmap / util / graph2d / Graph2DUtilities.java @ 21606
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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) 2006 Prodevelop 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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* http://www.gvsig.gva.es
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*
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* or
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*
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* Prodevelop Integraci?n de Tecnolog?as SL
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* Conde Salvatierra de ?lava , 34-10
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* 46004 Valencia
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* Spain
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*
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* +34 963 510 612
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* +34 963 510 968
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* gis@prodevelop.es
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* http://www.prodevelop.es
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*
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* or
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*
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* Instituto de Rob?tica
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* Apartado de correos 2085
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* 46071 Valencia
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* (Spain)
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*
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* +34 963 543 577
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* jjordan@robotica.uv.es
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* http://robotica.uv.es
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*
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*/
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package es.prodevelop.gvsig.mobile.fmap.util.graph2d; |
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import java.awt.Color; |
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import java.awt.Graphics2D; |
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import java.awt.Point; |
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import java.awt.Shape; |
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import java.awt.Toolkit; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.GeneralPath; |
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import java.awt.geom.PathIterator; |
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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 org.apache.log4j.Logger; |
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import com.vividsolutions.jts.algorithm.CGAlgorithms; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import com.vividsolutions.jts.geom.CoordinateList; |
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import es.prodevelop.geodetic.utils.conversion.GeoUtils; |
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import es.prodevelop.gvsig.mobile.fmap.core.FDot; |
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import es.prodevelop.gvsig.mobile.fmap.core.FMultiPoint2D; |
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import es.prodevelop.gvsig.mobile.fmap.core.FPoint2D; |
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import es.prodevelop.gvsig.mobile.fmap.core.FPolygon2D; |
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import es.prodevelop.gvsig.mobile.fmap.core.FPolyline2D; |
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import es.prodevelop.gvsig.mobile.fmap.driver.raster.ecw.EcwReader; |
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import es.prodevelop.gvsig.mobile.fmap.symbol.FSymbol; |
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import es.prodevelop.gvsig.mobile.fmap.util.Utils; |
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/**
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* Utility class for graphic purposes.
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*
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* @see java.awt.geom.GeneralPath
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* @see java.awt.geom.AffineTransform
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* @see java.awt.geom.PathIterator
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* @see es.prodevelop.gvsig.mobile.fmap.symbol.FSymbol
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*
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* @author jldominguez
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*
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*/
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public class Graph2DUtilities { |
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private static Logger logger = Logger.getLogger(Graph2DUtilities.class.getName()); |
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private static final boolean PAINT_HOLES_PROPERLY = false; |
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/**
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* Draws the general path on the graphics object with the given affine transformation
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* @param g the graphics object
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* @param gp the general path
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* @param at the affine transformation
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*/
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public static void drawGeneralPath(Graphics2D g, GeneralPath gp, AffineTransform at) { |
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ArrayList x = new ArrayList(); |
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ArrayList y = new ArrayList(); |
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float[] current = new float[6]; |
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PathIterator piter = gp.getPathIterator(at);
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while (!piter.isDone()) {
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piter.currentSegment(current); |
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x.add(new Integer((int) current[0])); |
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y.add(new Integer((int) current[1])); |
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} |
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int[] gx = integerArrayListToIntArray(x); |
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int[] gy = integerArrayListToIntArray(y); |
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g.drawPolyline(gx, gy, gx.length); |
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} |
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/**
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* Converts array list of Integer objects into array of int
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* @param l
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* @return array of int
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*/
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public static int[] integerArrayListToIntArray(ArrayList l) { |
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int size = l.size();
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int[] resp = new int[size]; |
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for (int i=0; i<size; i++) { |
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resp[i] = ((Integer) l.get(i)).intValue();
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} |
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return resp;
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} |
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/**
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* Tries to simplify an array of x and y coordinates.
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* @param xs
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* @param ys
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*/
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public static void simplifyArrayList(ArrayList xs, ArrayList ys) { |
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/*
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Integer x = (Integer)xs.get(xs.size()-1);
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Integer y = (Integer)ys.get(xs.size()-1);
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for (int i=xs.size()-2; i> 0; i--){
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Integer x1 = (Integer)xs.get(i);
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Integer y1 = (Integer)ys.get(i);
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//int diff = Math.abs(x1.intValue()-x.intValue())+Math.abs(y1.intValue()-y.intValue());
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//if (diff>1){
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if(x1.equals(x) && y1.equals(y)){
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xs.remove(i);
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ys.remove(i);
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} else {
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x=x1;
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y=y1;
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}
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}*/
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} |
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/*
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public static void drawGeneralPath(Graphics2D g, GeneralPath gp) {
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ArrayList x = new ArrayList();
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ArrayList y = new ArrayList();
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float[] current = new float[6];
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PathIterator piter = gp.getPathIterator(null);
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while (!piter.isDone()) {
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piter.currentSegment(current);
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x.add(new Integer((int) current[0]));
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y.add(new Integer((int) current[1]));
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}
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int[] gx = integerArrayListToIntArray(x);
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int[] gy = integerArrayListToIntArray(y);
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g.drawPolyline(gx, gy, gx.length);
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}
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*/
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/**
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* Computes the affine transform needed to go from one rectangle to another
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*
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* @param srcRegion source rectangle
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* @param dstRegion destination rectangle
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* @return the affine transform
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*/
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public static AffineTransform createAffineTransform( |
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Rectangle2D srcRegion, Rectangle2D dstRegion) { |
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double[][] matrix = new double[3][3]; |
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double scale = dstRegion.getWidth() / srcRegion.getWidth();
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double translate = dstRegion.getMinX() - srcRegion.getMinX() * scale;
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matrix[0][0] = scale; |
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matrix[0][2] = translate; |
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scale = - dstRegion.getHeight() / srcRegion.getHeight(); |
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translate = dstRegion.getMinY() - srcRegion.getMaxY() * scale; |
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matrix[1][1] = scale; |
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matrix[1][2] = translate; |
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matrix[2][2] = 1; |
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return new AffineTransform( |
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matrix[0][0], |
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matrix[1][0], |
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matrix[0][1], |
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matrix[1][1], |
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matrix[0][2], |
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matrix[1][2] |
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); |
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} |
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/**
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* Draws a shape on the graphics object with the given affine transform
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* @param g2d
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* @param shp
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* @param symbol
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*/
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public static void drawShape(Graphics2D g2d, Shape shp, FSymbol symbol) { |
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if (shp instanceof FDot) { |
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drawDot(g2d, (FDot) shp); |
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return;
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} |
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if (shp instanceof FPolygon2D) { |
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drawPolygon(g2d, (FPolygon2D) shp, symbol); |
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return;
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} |
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if (shp instanceof FPolyline2D) { |
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drawPolyLine(g2d, (FPolyline2D) shp); |
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return;
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} |
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if (shp instanceof FPoint2D) { |
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drawPoint(g2d, (FPoint2D) shp); |
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return;
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} |
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if (shp instanceof FMultiPoint2D) { |
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drawMultiPoint(g2d, (FMultiPoint2D) shp); |
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return;
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} |
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logger.error("Did not draw shape of class: " + shp.getClass().getName());
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} |
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/**
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* Draws a multipoint on the graphics object
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* @param g2d
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* @param mp
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*/
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public static void drawMultiPoint(Graphics2D g2d, FMultiPoint2D mp) { |
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int count = mp.getNumPoints();
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for (int i=0; i<count; i++) { |
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drawPoint(g2d, mp.getPoint(i)); |
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} |
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} |
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private static void drawShapeBorder(Graphics2D g2d, Shape shp) { |
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if (shp instanceof FDot) { |
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drawDot(g2d, (FDot) shp); |
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return;
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} |
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if (shp instanceof FPolygon2D) { |
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drawPolygonBorder(g2d, (FPolygon2D) shp); |
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return;
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} |
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if (shp instanceof FPolyline2D) { |
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drawPolyLine(g2d, (FPolyline2D) shp); |
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return;
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} |
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if (shp instanceof FPoint2D) { |
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drawPoint(g2d, (FPoint2D) shp); |
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return;
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} |
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logger.error("Did not draw shape of class: " + shp.getClass().getName());
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} |
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private static void drawShapeFill(Graphics2D g2d, Shape shp) { |
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drawPolygonFill(g2d, (FPolygon2D) shp); |
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} |
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/**
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* Draws a point on the graphics object
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* @param g2d
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* @param point2D
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*/
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public static void drawPoint(Graphics2D g2d, FPoint2D point2D) { |
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int x = Math.round((float) point2D.getX()) - 1; |
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int y = Math.round((float) point2D.getY()) - 1; |
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g2d.drawRect(x, y, 3, 3); |
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} |
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/**
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* Draws a dot on the graphics object
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* @param g2d
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* @param dot
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*/
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public static void drawDot(Graphics2D g2d, FDot dot) { |
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int x = Math.round((float) dot.getX()); |
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int y = Math.round((float) dot.getY()); |
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//TODO: Improve me please
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g2d.drawLine(x, y, x, y); |
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} |
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/**
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* Draws a polygon on the graphics object with the given symbol
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* @param g2d
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* @param polygon2D
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* @param symbol
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*/
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public static void drawPolygon(Graphics2D g2d, FPolygon2D polygon2D, FSymbol symbol) { |
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PathIterator piter = polygon2D.getPathIterator(null); |
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if (symbol.isFilled() ) {
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if (PAINT_HOLES_PROPERLY) {
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paintFilledWithHoles(g2d, piter, symbol); |
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} else {
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fillMultiPolygonIterator(g2d, piter, symbol); |
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} |
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} else {
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drawMultiPolygonIterator(g2d, piter); |
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} |
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} |
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private static void drawPolygonBorder(Graphics2D g2d, FPolygon2D polygon2D) { |
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PathIterator piter = polygon2D.getPathIterator(null); |
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drawMultiPolygonIterator(g2d, piter); |
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} |
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private static void drawPolygonFill(Graphics2D g2d, FPolygon2D polygon2D) { |
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PathIterator piter = polygon2D.getPathIterator(null); |
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fillMultiPolygonIteratorFill(g2d, piter); |
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} |
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/**
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* Draws a polyline on the graphics object
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*
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* @param g2d
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* @param polyline2D
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*/
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public static void drawPolyLine(Graphics2D g2d, FPolyline2D polyline2D) { |
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PathIterator piter = polyline2D.getPathIterator(null); |
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drawMultiLineIterator(g2d, piter); |
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} |
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private static void drawMultiPolygonIterator( |
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Graphics2D g,
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PathIterator piter
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) {
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ArrayList x = new ArrayList(); |
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ArrayList y = new ArrayList(); |
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Point last_pt = null; |
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float[] current = new float[6]; |
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while (!piter.isDone()) {
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if (piter.currentSegment(current) == PathIterator.SEG_MOVETO) { |
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if (x.size() > 0) { |
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int[] gx = integerArrayListToIntArray(x); |
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int[] gy = integerArrayListToIntArray(y); |
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g.drawPolygon(gx, gy, gx.length); |
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} |
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x = new ArrayList(); |
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y = new ArrayList(); |
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last_pt = null;
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} |
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if ((last_pt == null) |
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|| (last_pt.x != ((int) current[0])) |
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|| (last_pt.y != ((int) current[1]))) { |
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last_pt = new Point((int) current[0], (int) current[1]); |
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x.add(new Integer(last_pt.x)); |
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y.add(new Integer(last_pt.y)); |
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} |
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piter.next(); |
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} |
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ArrayList x1 = new ArrayList(),y1=new ArrayList(); |
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simplifyArrayList(x,y); |
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int[] gx = integerArrayListToIntArray(x); |
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int[] gy = integerArrayListToIntArray(y); |
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g.drawPolygon(gx, gy, gx.length); |
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} |
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private static void fillMultiPolygonIterator( |
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Graphics2D g,
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PathIterator piter,
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FSymbol sym |
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) {
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ArrayList x = new ArrayList(); |
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ArrayList y = new ArrayList(); |
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Point last_pt = null; |
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float[] current = new float[6]; |
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while (!piter.isDone()) {
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if (piter.currentSegment(current) == PathIterator.SEG_MOVETO) { |
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if (x.size() > 0) { |
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int[] gx = integerArrayListToIntArray(x); |
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int[] gy = integerArrayListToIntArray(y); |
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g.setColor(sym.getFillColor()); |
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g.fillPolygon(gx, gy, gx.length); |
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g.setColor(sym.getBorderColor()); |
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g.drawPolyline(gx, gy, gx.length); |
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} |
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x = new ArrayList(); |
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y = new ArrayList(); |
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last_pt = null;
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} |
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if ((last_pt == null) |
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|| (last_pt.x != ((int) current[0])) |
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|| (last_pt.y != ((int) current[1]))) { |
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last_pt = new Point((int) current[0], (int) current[1]); |
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x.add(new Integer(last_pt.x)); |
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y.add(new Integer(last_pt.y)); |
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} |
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piter.next(); |
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} |
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int[] gx = integerArrayListToIntArray(x); |
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int[] gy = integerArrayListToIntArray(y); |
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g.setColor(sym.getFillColor()); |
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g.fillPolygon(gx, gy, gx.length); |
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g.setColor(sym.getBorderColor()); |
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g.drawPolyline(gx, gy, gx.length); |
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} |
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private static void fillMultiPolygonIteratorFill( |
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Graphics2D g,
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PathIterator piter
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) {
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ArrayList x = new ArrayList(); |
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ArrayList y = new ArrayList(); |
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Point last_pt = null; |
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float[] current = new float[6]; |
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while (!piter.isDone()) {
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if (piter.currentSegment(current) == PathIterator.SEG_MOVETO) { |
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if (x.size() > 0) { |
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int[] gx = integerArrayListToIntArray(x); |
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int[] gy = integerArrayListToIntArray(y); |
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//g.setColor(sym.getFillColor());
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g.fillPolygon(gx, gy, gx.length); |
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/*g.setColor(sym.getBorderColor());
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g.drawPolyline(gx, gy, gx.length);*/
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} |
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x = new ArrayList(); |
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y = new ArrayList(); |
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last_pt = null;
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} |
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|
| 508 |
if ((last_pt == null) |
| 509 |
|| (last_pt.x != ((int) current[0])) |
| 510 |
|| (last_pt.y != ((int) current[1]))) { |
| 511 |
|
| 512 |
last_pt = new Point((int) current[0], (int) current[1]); |
| 513 |
x.add(new Integer(last_pt.x)); |
| 514 |
y.add(new Integer(last_pt.y)); |
| 515 |
} |
| 516 |
|
| 517 |
piter.next(); |
| 518 |
} |
| 519 |
ArrayList x1 = new ArrayList(),y1=new ArrayList(); |
| 520 |
simplifyArrayList(x,y); |
| 521 |
int[] gx = integerArrayListToIntArray(x); |
| 522 |
int[] gy = integerArrayListToIntArray(y); |
| 523 |
//g.setColor(sym.getFillColor());
|
| 524 |
g.fillPolygon(gx, gy, gx.length); |
| 525 |
/*g.setColor(sym.getBorderColor());
|
| 526 |
g.drawPolyline(gx, gy, gx.length);*/
|
| 527 |
} |
| 528 |
|
| 529 |
private static void drawMultiLineIterator( |
| 530 |
Graphics2D g,
|
| 531 |
PathIterator piter
|
| 532 |
) {
|
| 533 |
|
| 534 |
ArrayList x = new ArrayList(); |
| 535 |
ArrayList y = new ArrayList(); |
| 536 |
|
| 537 |
Point last_pt = null; |
| 538 |
|
| 539 |
float[] current = new float[6]; |
| 540 |
|
| 541 |
while (!piter.isDone()) {
|
| 542 |
|
| 543 |
if (piter.currentSegment(current) == PathIterator.SEG_MOVETO) { |
| 544 |
if (x.size() > 0) { |
| 545 |
int[] gx = integerArrayListToIntArray(x); |
| 546 |
int[] gy = integerArrayListToIntArray(y); |
| 547 |
g.drawPolyline(gx, gy, gx.length); |
| 548 |
} |
| 549 |
x = new ArrayList(); |
| 550 |
y = new ArrayList(); |
| 551 |
last_pt = null;
|
| 552 |
} |
| 553 |
|
| 554 |
if ((last_pt == null) |
| 555 |
|| (last_pt.x != ((int) current[0])) |
| 556 |
|| (last_pt.y != ((int) current[1]))) { |
| 557 |
|
| 558 |
last_pt = new Point((int) current[0], (int) current[1]); |
| 559 |
x.add(new Integer(last_pt.x)); |
| 560 |
y.add(new Integer(last_pt.y)); |
| 561 |
} |
| 562 |
|
| 563 |
piter.next(); |
| 564 |
} |
| 565 |
|
| 566 |
int[] gx = integerArrayListToIntArray(x); |
| 567 |
int[] gy = integerArrayListToIntArray(y); |
| 568 |
g.drawPolyline(gx, gy, gx.length); |
| 569 |
} |
| 570 |
|
| 571 |
|
| 572 |
|
| 573 |
private static PathIterator getPathIterator(Shape shp) { |
| 574 |
|
| 575 |
if (shp instanceof FPolyline2D) { |
| 576 |
return ((FPolyline2D) shp).getPathIterator(null); |
| 577 |
} |
| 578 |
|
| 579 |
if (shp instanceof FPolygon2D) { |
| 580 |
return ((FPolygon2D) shp).getPathIterator(null); |
| 581 |
} |
| 582 |
|
| 583 |
if (shp instanceof FPoint2D) { |
| 584 |
return ((FPoint2D) shp).getPathIterator(null); |
| 585 |
} |
| 586 |
|
| 587 |
logger.error("Did not get a path iterator: null");
|
| 588 |
return null; // new PointIterator(new Point(0, 0), AffineTransform.getTranslateInstance(0, 0)); |
| 589 |
|
| 590 |
} |
| 591 |
|
| 592 |
private static void printCoordList(CoordinateList list) { |
| 593 |
for (int i=0; i<list.size(); i++) { |
| 594 |
logger.debug("coordenadas [" + i + "]: " + ((Coordinate) list.get(i)).x + ", " + ((Coordinate) list.get(i)).y + ", "); |
| 595 |
} |
| 596 |
} |
| 597 |
|
| 598 |
/**
|
| 599 |
* Gets the area of the path iterator
|
| 600 |
* @param piter the path iterator
|
| 601 |
* @return the area of the path iterator
|
| 602 |
*/
|
| 603 |
public static double getPathIteratorArea(PathIterator piter) { |
| 604 |
|
| 605 |
if (piter == null) { |
| 606 |
return 0; |
| 607 |
} |
| 608 |
|
| 609 |
double resp = 0; |
| 610 |
|
| 611 |
double[] theData = new double[6]; |
| 612 |
Coordinate c1 = null;
|
| 613 |
Coordinate firstc = null;
|
| 614 |
CoordinateList coordList = null;
|
| 615 |
|
| 616 |
while (!piter.isDone()) {
|
| 617 |
|
| 618 |
int type = piter.currentSegment(theData);
|
| 619 |
|
| 620 |
if (type == PathIterator.SEG_MOVETO) { |
| 621 |
if (coordList != null) { |
| 622 |
coordList.add(firstc, true);
|
| 623 |
// printCoordList(coordList);
|
| 624 |
resp = resp + CGAlgorithms.signedArea(coordList.toCoordinateArray()); |
| 625 |
} |
| 626 |
firstc = new Coordinate(theData[0], theData[1]); |
| 627 |
coordList = new CoordinateList();
|
| 628 |
} |
| 629 |
c1 = new Coordinate(theData[0], theData[1]); |
| 630 |
coordList.add(c1, true);
|
| 631 |
piter.next(); |
| 632 |
} |
| 633 |
|
| 634 |
if (coordList != null) { |
| 635 |
coordList.add(firstc, true);
|
| 636 |
// printCoordList(coordList);
|
| 637 |
// resp = resp + Math.abs(CGAlgorithms.signedArea(coordList.toCoordinateArray()));
|
| 638 |
resp = resp + CGAlgorithms.signedArea(coordList.toCoordinateArray()); |
| 639 |
} |
| 640 |
return Math.abs(resp); |
| 641 |
} |
| 642 |
|
| 643 |
/**
|
| 644 |
* Gets the area of a given spherical path iterator
|
| 645 |
*
|
| 646 |
* @param piter
|
| 647 |
* @return the area
|
| 648 |
*/
|
| 649 |
public static double getSphericalPathIteratorArea(PathIterator piter) { |
| 650 |
|
| 651 |
if (piter == null) { |
| 652 |
return 0; |
| 653 |
} |
| 654 |
|
| 655 |
double resp = 0; |
| 656 |
|
| 657 |
double[] theData = new double[6]; |
| 658 |
Coordinate c1 = null;
|
| 659 |
Coordinate firstc = null;
|
| 660 |
CoordinateList coordList = null;
|
| 661 |
|
| 662 |
while (!piter.isDone()) {
|
| 663 |
|
| 664 |
int type = piter.currentSegment(theData);
|
| 665 |
|
| 666 |
if (type == PathIterator.SEG_MOVETO) { |
| 667 |
if (coordList != null) { |
| 668 |
coordList.add(firstc, true);
|
| 669 |
// printCoordList(coordList);
|
| 670 |
resp = resp + GeoUtils.sphericalAreaFromCoordinatesArray(coordList.toCoordinateArray()); |
| 671 |
} |
| 672 |
firstc = new Coordinate(theData[0], theData[1]); |
| 673 |
coordList = new CoordinateList();
|
| 674 |
} |
| 675 |
c1 = new Coordinate(theData[0], theData[1]); |
| 676 |
coordList.add(c1, true);
|
| 677 |
piter.next(); |
| 678 |
} |
| 679 |
|
| 680 |
if (coordList != null) { |
| 681 |
coordList.add(firstc, true);
|
| 682 |
// printCoordList(coordList);
|
| 683 |
// resp = resp + Math.abs(CGAlgorithms.signedArea(coordList.toCoordinateArray()));
|
| 684 |
resp = resp + GeoUtils.sphericalAreaFromCoordinatesArray(coordList.toCoordinateArray()); |
| 685 |
} |
| 686 |
return Math.abs(resp); |
| 687 |
} |
| 688 |
|
| 689 |
|
| 690 |
private static void paintFilledWithHoles(Graphics2D g, PathIterator piter, FSymbol sym) { |
| 691 |
|
| 692 |
ArrayList _split = split(piter);
|
| 693 |
int[] indices = getShellIndicesAndHoleCount(_split); |
| 694 |
Object[] shellXYAndHolesList = groupParts(_split, indices); |
| 695 |
int nofshells = shellXYAndHolesList.length / 3; |
| 696 |
|
| 697 |
int[] shellx, shelly; |
| 698 |
ArrayList holesXY;
|
| 699 |
|
| 700 |
for (int i=0; i<nofshells; i++) { |
| 701 |
|
| 702 |
shellx = (int[]) shellXYAndHolesList[3 * i]; |
| 703 |
shelly = (int[]) shellXYAndHolesList[3 * i + 1]; |
| 704 |
holesXY = (ArrayList) shellXYAndHolesList[3 * i + 2]; |
| 705 |
|
| 706 |
if (holesXY == null) { |
| 707 |
|
| 708 |
g.setColor(sym.getFillColor()); |
| 709 |
g.fillPolygon(shellx, shelly, shellx.length); |
| 710 |
|
| 711 |
g.setColor(sym.getBorderColor()); |
| 712 |
g.drawPolyline(shellx, shelly, shellx.length); |
| 713 |
|
| 714 |
} else {
|
| 715 |
|
| 716 |
// --- not properly: shell: fill + border, holes: border
|
| 717 |
g.setColor(sym.getFillColor()); |
| 718 |
g.fillPolygon(shellx, shelly, shellx.length); |
| 719 |
|
| 720 |
g.setColor(sym.getBorderColor()); |
| 721 |
g.drawPolyline(shellx, shelly, shellx.length); |
| 722 |
|
| 723 |
int[] hx, hy; |
| 724 |
int nh = holesXY.size() / 2; |
| 725 |
for (int h=0; h<nh; h++) { |
| 726 |
hx = (int[]) holesXY.get(2 * h); |
| 727 |
hy = (int[]) holesXY.get(2 * h + 1); |
| 728 |
g.drawPolyline(hx, hy, hx.length); |
| 729 |
} |
| 730 |
|
| 731 |
// ------- TODO ----------
|
| 732 |
/*
|
| 733 |
Object[] img_coords = getPaintedPolygonWithHoles(shellx, shelly, holesXY, sym);
|
| 734 |
Image img = (Image) img_coords[0];
|
| 735 |
int x = ((Integer) img_coords[1]).intValue();
|
| 736 |
int y = ((Integer) img_coords[2]).intValue();
|
| 737 |
g.drawImage(img, x, y, null);
|
| 738 |
*/
|
| 739 |
} |
| 740 |
|
| 741 |
} |
| 742 |
} |
| 743 |
|
| 744 |
private static Object[] getPaintedPolygonWithHoles( |
| 745 |
int[] shellx, |
| 746 |
int[] shelly, |
| 747 |
ArrayList holesXYlist,
|
| 748 |
// int[] holex,
|
| 749 |
// int[] holey
|
| 750 |
FSymbol sym |
| 751 |
) {
|
| 752 |
|
| 753 |
int minx = shellx[0]; |
| 754 |
int maxx = shellx[0]; |
| 755 |
int miny = shelly[0]; |
| 756 |
int maxy = shelly[0]; |
| 757 |
|
| 758 |
int nofp = shellx.length;
|
| 759 |
int auxx, auxy;
|
| 760 |
|
| 761 |
for (int i=0; i<nofp; i++) { |
| 762 |
auxx = shellx[i]; |
| 763 |
auxy = shelly[i]; |
| 764 |
if (auxx > maxx) maxx = auxx;
|
| 765 |
if (auxx < minx) minx = auxx;
|
| 766 |
if (auxy > maxy) maxy = auxy;
|
| 767 |
if (auxy < miny) miny = auxy;
|
| 768 |
} |
| 769 |
|
| 770 |
int w = maxx - minx + 1; |
| 771 |
int h = maxy - miny + 1; |
| 772 |
|
| 773 |
BufferedImage resp_img = Utils.createBufferedImage(w, h);
|
| 774 |
Graphics2D g = (Graphics2D) resp_img.getGraphics(); |
| 775 |
|
| 776 |
g.setColor(Color.BLACK);
|
| 777 |
g.fillRect(0, 0, w, h); |
| 778 |
|
| 779 |
g.translate(-minx, -miny); |
| 780 |
|
| 781 |
g.setColor(Color.WHITE);
|
| 782 |
g.fillPolygon(shellx, shelly, nofp); |
| 783 |
|
| 784 |
g.setColor(Color.BLACK);
|
| 785 |
int nofholes = holesXYlist.size() / 2; |
| 786 |
|
| 787 |
int[] holex, holey; |
| 788 |
for (int i=0; i<nofholes; i++) { |
| 789 |
holex = (int[]) holesXYlist.get(2 * i); |
| 790 |
holey = (int[]) holesXYlist.get(2 * i + 1); |
| 791 |
g.fillPolygon(holex, holey, holex.length); |
| 792 |
} |
| 793 |
|
| 794 |
int[] pixels = new int[w*h]; |
| 795 |
pixels = resp_img.getRGB(0, 0, w, h, null, 0, w); |
| 796 |
|
| 797 |
byte[] alpha = getRedBand(pixels); |
| 798 |
|
| 799 |
g.setColor(sym.getFillColor()); |
| 800 |
g.fillPolygon(shellx, shelly, nofp); |
| 801 |
|
| 802 |
pixels = resp_img.getRGB(0, 0, w, h, null, 0, w); |
| 803 |
|
| 804 |
|
| 805 |
pixels = setAlphaBand(pixels, alpha); |
| 806 |
byte[] png = EcwReader.paintArray(pixels, w, h, 0, true); |
| 807 |
|
| 808 |
Object[] resp = new Object[3]; |
| 809 |
resp[0] = Toolkit.getDefaultToolkit().createImage(png); |
| 810 |
resp[1] = new Integer(minx); |
| 811 |
resp[2] = new Integer(miny); |
| 812 |
return resp;
|
| 813 |
} |
| 814 |
|
| 815 |
private static int[] setAlphaBand(int[] _p, byte[] _a) { |
| 816 |
int size = _p.length;
|
| 817 |
int[] resp = new int[size]; |
| 818 |
for (int i=0; i<size; i++) { |
| 819 |
resp[i] = (_p[i] & 0x00ffffff) + (_a[i] << 24); |
| 820 |
} |
| 821 |
return resp;
|
| 822 |
} |
| 823 |
|
| 824 |
private static byte[] getRedBand(int[] _p) { |
| 825 |
|
| 826 |
int size = _p.length;
|
| 827 |
byte[] resp = new byte[size]; |
| 828 |
|
| 829 |
for (int i=0; i<size; i++) { |
| 830 |
resp[i] = (byte) ((_p[i] >> 16) & 0xff); |
| 831 |
} |
| 832 |
return resp;
|
| 833 |
} |
| 834 |
|
| 835 |
private static String getFourBands(int p) { |
| 836 |
|
| 837 |
return
|
| 838 |
"" + ((p & 0xff000000) >> 24) + |
| 839 |
", " + ((p & 0x00ff0000) >> 16) + |
| 840 |
", " + ((p & 0x0000ff00) >> 8) + |
| 841 |
", " + (p & 0x000000ff); |
| 842 |
|
| 843 |
} |
| 844 |
|
| 845 |
private static boolean isShell(int[] verticesx, int[] verticesy) { |
| 846 |
|
| 847 |
int size = verticesx.length;
|
| 848 |
if (size < 3) return true; |
| 849 |
|
| 850 |
Coordinate[] cc = new Coordinate[size]; |
| 851 |
|
| 852 |
for (int i=0; i<size; i++) { |
| 853 |
cc[i] = new Coordinate(verticesx[i], verticesy[i]);
|
| 854 |
} |
| 855 |
|
| 856 |
boolean r = CGAlgorithms.isCCW(cc);
|
| 857 |
return r;
|
| 858 |
} |
| 859 |
|
| 860 |
private static ArrayList split(PathIterator pit) { |
| 861 |
|
| 862 |
ArrayList resp = new ArrayList(); |
| 863 |
|
| 864 |
ArrayList x = new ArrayList(); |
| 865 |
ArrayList y = new ArrayList(); |
| 866 |
|
| 867 |
Point last_pt = null; |
| 868 |
|
| 869 |
float[] current = new float[6]; |
| 870 |
|
| 871 |
while (!pit.isDone()) {
|
| 872 |
|
| 873 |
if (pit.currentSegment(current) == PathIterator.SEG_MOVETO) { |
| 874 |
if (x.size() > 0) { |
| 875 |
int[] gx = integerArrayListToIntArray(x); |
| 876 |
int[] gy = integerArrayListToIntArray(y); |
| 877 |
resp.add(gx); resp.add(gy); |
| 878 |
} |
| 879 |
x = new ArrayList(); |
| 880 |
y = new ArrayList(); |
| 881 |
last_pt = null;
|
| 882 |
} |
| 883 |
|
| 884 |
if ((last_pt == null) |
| 885 |
|| (last_pt.x != ((int) current[0])) |
| 886 |
|| (last_pt.y != ((int) current[1]))) { |
| 887 |
|
| 888 |
last_pt = new Point((int) current[0], (int) current[1]); |
| 889 |
x.add(new Integer(last_pt.x)); |
| 890 |
y.add(new Integer(last_pt.y)); |
| 891 |
} |
| 892 |
|
| 893 |
pit.next(); |
| 894 |
} |
| 895 |
|
| 896 |
int[] gx = integerArrayListToIntArray(x); |
| 897 |
int[] gy = integerArrayListToIntArray(y); |
| 898 |
resp.add(gx); resp.add(gy); |
| 899 |
|
| 900 |
return resp;
|
| 901 |
} |
| 902 |
|
| 903 |
private static int[] getShellIndicesAndHoleCount(ArrayList parts) { |
| 904 |
|
| 905 |
ArrayList resp = new ArrayList(); |
| 906 |
int size = parts.size() / 2; |
| 907 |
int[] cx, cy; |
| 908 |
|
| 909 |
if (size == 1) { |
| 910 |
|
| 911 |
// one item, we understand its a shell
|
| 912 |
resp.add(new Integer(0)); |
| 913 |
|
| 914 |
} else {
|
| 915 |
// ---------- more than one item
|
| 916 |
for (int i=0; i<size; i++) { |
| 917 |
cx = (int[]) parts.get(2 * i); |
| 918 |
cy = (int[]) parts.get(2 * i + 1); |
| 919 |
if (isShell(cx, cy)) resp.add(new Integer(i)); |
| 920 |
} |
| 921 |
// ---------- more than one item
|
| 922 |
} |
| 923 |
|
| 924 |
|
| 925 |
resp.add(new Integer(size)); |
| 926 |
int resp_size = resp.size() - 1; |
| 927 |
|
| 928 |
int[] indices = new int[2 * resp_size]; |
| 929 |
for (int i=0; i<resp_size; i++) { |
| 930 |
int this_index = ((Integer) resp.get(i)).intValue(); |
| 931 |
int next_index = ((Integer) resp.get(i + 1)).intValue(); |
| 932 |
indices[2 * i] = this_index;
|
| 933 |
indices[2 * i + 1] = next_index - this_index - 1; |
| 934 |
} |
| 935 |
|
| 936 |
return indices;
|
| 937 |
} |
| 938 |
|
| 939 |
private static Object[] groupParts(ArrayList parts, int[] indices) { |
| 940 |
|
| 941 |
int nofp = indices.length / 2; |
| 942 |
Object[] resp = new Object[3 * nofp]; |
| 943 |
|
| 944 |
int shell_ind = 0; |
| 945 |
int nofholes = 0; |
| 946 |
|
| 947 |
for (int i=0; i<nofp; i++) { |
| 948 |
|
| 949 |
shell_ind = indices[2 * i];
|
| 950 |
nofholes = indices[2 * i + 1]; |
| 951 |
|
| 952 |
resp[3 * i] = parts.get(2 * i); |
| 953 |
resp[3 * i + 1] = parts.get(2 * i + 1); |
| 954 |
|
| 955 |
if (nofholes == 0) { |
| 956 |
resp[3 * i + 2] = null; |
| 957 |
} else {
|
| 958 |
ArrayList holesxy = new ArrayList(); |
| 959 |
for (int h=0; h<(2 * nofholes); h++) |
| 960 |
holesxy.add(parts.get(2 * shell_ind + 2 + h)); |
| 961 |
resp[3 * i + 2] = holesxy; |
| 962 |
} |
| 963 |
} |
| 964 |
return resp;
|
| 965 |
} |
| 966 |
|
| 967 |
private static void printIntArrayToLogger(int[] arr, String name) { |
| 968 |
|
| 969 |
logger.debug("--- ARRAY: <" + name + "> --- START ---"); |
| 970 |
for (int i=0; i<arr.length; i++) { |
| 971 |
logger.debug("-- ITEM [ " + i + " ] = " + arr[i]); |
| 972 |
} |
| 973 |
logger.debug("--- ARRAY: <" + name + "> --- END ---"); |
| 974 |
|
| 975 |
} |
| 976 |
|
| 977 |
/**
|
| 978 |
* Draws the path iterator on the graphics object with the given affine transformation
|
| 979 |
* @param g the graphics object
|
| 980 |
* @param piter the path iterator
|
| 981 |
* @param at the affine transformation (can be null)
|
| 982 |
*/
|
| 983 |
public static void drawPathIterator(Graphics2D g, PathIterator piter, AffineTransform at) { |
| 984 |
ArrayList x = new ArrayList(); |
| 985 |
ArrayList y = new ArrayList(); |
| 986 |
float[] current = new float[6]; |
| 987 |
|
| 988 |
while (!piter.isDone()) {
|
| 989 |
piter.currentSegment(current); |
| 990 |
x.add(new Integer((int) current[0])); |
| 991 |
y.add(new Integer((int) current[1])); |
| 992 |
piter.next(); |
| 993 |
} |
| 994 |
|
| 995 |
int[] gx = integerArrayListToIntArray(x); |
| 996 |
int[] gy = integerArrayListToIntArray(y); |
| 997 |
|
| 998 |
g.drawPolyline(gx, gy, gx.length); |
| 999 |
} |
| 1000 |
|
| 1001 |
public static void drawPathIteratorLastVertices( |
| 1002 |
Graphics2D g,
|
| 1003 |
PathIterator piter,
|
| 1004 |
AffineTransform at,
|
| 1005 |
int currentLength,
|
| 1006 |
int max_vertices) {
|
| 1007 |
|
| 1008 |
ArrayList x = new ArrayList(); |
| 1009 |
ArrayList y = new ArrayList(); |
| 1010 |
float[] current = new float[6]; |
| 1011 |
|
| 1012 |
int count = 0; |
| 1013 |
while (!piter.isDone()) {
|
| 1014 |
|
| 1015 |
if ((currentLength - count) < max_vertices) {
|
| 1016 |
piter.currentSegment(current); |
| 1017 |
x.add(new Integer((int) current[0])); |
| 1018 |
y.add(new Integer((int) current[1])); |
| 1019 |
} |
| 1020 |
|
| 1021 |
count++; |
| 1022 |
piter.next(); |
| 1023 |
} |
| 1024 |
|
| 1025 |
int[] gx = integerArrayListToIntArray(x); |
| 1026 |
int[] gy = integerArrayListToIntArray(y); |
| 1027 |
|
| 1028 |
g.drawPolyline(gx, gy, gx.length); |
| 1029 |
|
| 1030 |
|
| 1031 |
// TODO Auto-generated method stub
|
| 1032 |
|
| 1033 |
} |
| 1034 |
} |