svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / objects / DwgPolyline2D.java @ 23458
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/* jdwglib. Java Library for reading Dwg files.
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*
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* Author: Jose Morell Rama (jose.morell@gmail.com).
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* Port from the Pythoncad Dwg library by Art Haas.
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*
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* Copyright (C) 2005 Jose Morell, IVER TI S.A. 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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* Jose Morell (jose.morell@gmail.com)
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*
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* or
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*
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* IVER TI S.A.
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* C/Salamanca, 50
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* 46005 Valencia
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* Spain
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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.jdwglib.dwg.objects; |
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import java.awt.Shape; |
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import java.awt.geom.GeneralPath; |
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import java.awt.geom.Point2D; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.log4j.Logger; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryFactory; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.primitive.Curve2D; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import com.iver.cit.jdwglib.dwg.DwgFile; |
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import com.iver.cit.jdwglib.dwg.DwgHandleReference; |
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import com.iver.cit.jdwglib.dwg.DwgObject; |
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import com.iver.cit.jdwglib.dwg.IDwg2FMap; |
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import com.iver.cit.jdwglib.dwg.IDwg3DTestable; |
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import com.iver.cit.jdwglib.dwg.IDwgBlockMember; |
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import com.iver.cit.jdwglib.dwg.IDwgExtrusionable; |
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import com.iver.cit.jdwglib.dwg.IDwgPolyline; |
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import com.iver.cit.jdwglib.dwg.IDwgVertex; |
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import com.iver.cit.jdwglib.util.AcadExtrusionCalculator; |
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import com.iver.cit.jdwglib.util.FMapUtil; |
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import com.iver.cit.jdwglib.util.GisModelCurveCalculator; |
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/**
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* The DwgPolyline2D class represents a DWG Polyline2D
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*
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* @author jmorell
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*/
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public class DwgPolyline2D extends DwgObject |
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implements IDwgPolyline, IDwgExtrusionable, IDwg3DTestable, IDwg2FMap, IDwgBlockMember{
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private static Logger logger = Logger.getLogger(DwgPolyline2D.class.getName()); |
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private int flags; |
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private int curveType; |
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private double initWidth; |
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private double endWidth; |
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private double thickness; |
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private double elevation; |
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private double[] extrusion; |
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private DwgHandleReference firstVertexHandle = null; |
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private DwgHandleReference lastVertexHandle = null; |
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private DwgHandleReference seqendHandle = null; |
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private List vertices; |
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private double[] bulges; |
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private ArrayList vertexHandles; |
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public DwgPolyline2D(int index) { |
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super(index);
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vertices = new ArrayList(); |
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vertexHandles = new ArrayList(); |
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} |
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/**
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* @return Returns the firstVertexHandle.
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*/
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public DwgHandleReference getFirstVertexHandle() {
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return firstVertexHandle;
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} |
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/**
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* @param firstVertexHandle The firstVertexHandle to set.
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*/
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public void setFirstVertexHandle(DwgHandleReference firstVertexHandle) { |
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this.firstVertexHandle = firstVertexHandle;
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} |
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/**
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* @return Returns the flags.
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*/
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public int getFlags() { |
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return flags;
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} |
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/**
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* @param flags The flags to set.
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*/
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public void setFlags(int flags) { |
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this.flags = flags;
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} |
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/**
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* @return Returns the lastVertexHandle.
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*/
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public DwgHandleReference getLastVertexHandle() {
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return lastVertexHandle;
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} |
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/**
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* @param lastVertexHandle The lastVertexHandle to set.
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*/
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public void setLastVertexHandle(DwgHandleReference lastVertexHandle) { |
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this.lastVertexHandle = lastVertexHandle;
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} |
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/**
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* @return Returns the pts.
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*/
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public List getPts() { |
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return vertices;
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} |
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/**
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* @param pts The pts to set.
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*/
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public void setPts(List pts) { |
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this.vertices = pts;
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} |
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/**
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* @return Returns the bulges.
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*/
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public double[] getBulges() { |
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return bulges;
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} |
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/**
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* @param bulges The bulges to set.
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*/
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public void setBulges(double[] bulges) { |
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this.bulges = bulges;
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} |
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/**
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* @return Returns the initWidth.
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*/
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public double getInitWidth() { |
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return initWidth;
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} |
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/**
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* @param initWidth The initWidth to set.
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*/
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public void setInitWidth(double initWidth) { |
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this.initWidth = initWidth;
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} |
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/**
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* @return Returns the seqendHandle.
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*/
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public DwgHandleReference getSeqendHandle() {
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return seqendHandle;
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} |
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/**
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* @param seqendHandle The seqendHandle to set.
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*/
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public void setSeqendHandle(DwgHandleReference seqendHandle) { |
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this.seqendHandle = seqendHandle;
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} |
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/**
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* @return Returns the thickness.
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*/
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public double getThickness() { |
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return thickness;
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} |
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/**
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* @param thickness The thickness to set.
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*/
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public void setThickness(double thickness) { |
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this.thickness = thickness;
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} |
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/**
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* @return Returns the curveType.
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*/
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public int getCurveType() { |
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return curveType;
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} |
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/**
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* @param curveType The curveType to set.
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*/
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public void setCurveType(int curveType) { |
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this.curveType = curveType;
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} |
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/**
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* @return Returns the elevation.
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*/
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public double getElevation() { |
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return elevation;
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} |
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/**
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* @param elevation The elevation to set.
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*/
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public void setElevation(double elevation) { |
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this.elevation = elevation;
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} |
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/**
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* @return Returns the endWidth.
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*/
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public double getEndWidth() { |
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return endWidth;
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} |
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/**
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* @param endWidth The endWidth to set.
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*/
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public void setEndWidth(double endWidth) { |
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this.endWidth = endWidth;
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} |
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/**
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* @return Returns the extrusion.
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*/
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public double[] getExtrusion() { |
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return extrusion;
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} |
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/**
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* @param extrusion The extrusion to set.
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*/
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public void setExtrusion(double[] extrusion) { |
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this.extrusion = extrusion;
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} |
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/**
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* @param Handles The vertexHandles to set.
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*/
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public void setVertexHandles(ArrayList handles){ |
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this.vertexHandles = handles;
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} |
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/**
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* @return Returns the vertexHandles.
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*/
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public ArrayList getVertexHandles(){ |
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return this.vertexHandles; |
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} |
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/**
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* @param Handle The vertexHandles to add.
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*/
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public void addVertexHandle(DwgHandleReference handle){ |
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this.vertexHandles.add(handle);
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} |
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public void calculateGisModel(DwgFile dwgFile){ |
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int flags = getFlags();
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// En este metodo se mantiene el mecanismo anterior
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// al refactoring de los handles references.
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// TODO: Pensar si deberiamos coger el handle completo.
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// Tal vez deberiamos tomar el handle completo y evaluar
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// a donde apuntan (pueden haber 2 handles con codigo y offset
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// distintos y que, sin embargo apunten al mismo objeto).
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ArrayList pts = new ArrayList(); |
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ArrayList bulges = new ArrayList(); |
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double[] pt = new double[3]; |
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double bulge = 0d; |
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if(dwgFile.getDwgVersion().equalsIgnoreCase("Autocad R2004, R2005, R2006")){ |
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ArrayList vertexHandles = getVertexHandles();
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DwgObject seqend = null;
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for (int i=0; i<vertexHandles.size(); i++){ |
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DwgHandleReference vertice = (DwgHandleReference)vertexHandles.get(i); |
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DwgObject objVertex = dwgFile.getDwgObjectFromHandle(vertice.getOffset()); |
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if (objVertex != null){ |
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if (objVertex instanceof DwgVertex2D) { |
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pts.add(((DwgVertex2D)objVertex).getPoint()); |
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bulge = ((DwgVertex2D)objVertex).getBulge(); |
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bulges.add(new Double(bulge)); |
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} else {
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logger.warn("Encontrado un "+objVertex.getClass().getName()+" " + |
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"con indice "+i+" en la lista de vertices de Polyline2D"); |
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} |
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} else {
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logger.warn("No se ha encontrado el vertice "+i+" de "+vertexHandles.size() |
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+" de la Polyline2D "+this.getIndex()); |
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if (i==0){ |
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seqend = dwgFile.getDwgObjectFromHandle(seqendHandle.getOffset()); |
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} |
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} |
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} |
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if(seqend != null){ |
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if (seqend instanceof DwgVertex2D) { |
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pts.add(((DwgVertex2D)seqend).getPoint()); |
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bulge = ((DwgVertex2D)seqend).getBulge(); |
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bulges.add(new Double(bulge)); |
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} else {
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logger.warn("Encontrado un "+seqend.getClass().getName()+" en seqend de Polyline2D "+ |
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this.getIndex()+" cuando debería ser un DwgVertex2D"); |
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} |
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} |
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} else {
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DwgHandleReference firstHandle = getFirstVertexHandle(); |
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DwgHandleReference lastHandle = getLastVertexHandle(); |
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DwgObject first = dwgFile.getDwgObjectFromHandle(firstHandle.getOffset()); |
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DwgObject last = dwgFile.getDwgObjectFromHandle(lastHandle.getOffset()); |
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if(first == null || last == null){ |
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logger.warn("Polyline2D con vertices inicial o final a null");
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return;
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} |
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if(!(first instanceof DwgVertex2D)){ |
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logger.warn("El primer vertice de Polyline2D es "+
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first.getClass().getName()); |
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return;
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} |
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if(!(last instanceof DwgVertex2D)){ |
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logger.warn("El primer vertice de Polyline2D es "+
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first.getClass().getName()); |
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return;
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} |
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int firstObjIdx = dwgFile.getIndexOf(first);
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int lastObjIdx = dwgFile.getIndexOf(last);
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if(firstObjIdx == -1 || lastObjIdx == -1){ |
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logger.warn("Calculate GIS Model: Problemas en la LinkedList: 1�="+firstObjIdx+",Ultimo="+lastObjIdx); |
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return;
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} |
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// pt = ((DwgVertex2D)first).getPoint();
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// pts.add(new Point2D.Double(pt[0], pt[1]));
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// bulge = ((DwgVertex2D)first).getBulge();
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// bulges.add(new Double(bulge));
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for(int i = firstObjIdx; i <= lastObjIdx; i++){ |
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DwgObject obj = dwgFile.getDwgObject(i); |
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if(obj instanceof DwgVertex2D){ |
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DwgVertex2D vertex = (DwgVertex2D) obj; |
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pt = vertex.getPoint(); |
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pts.add(new Point2D.Double(pt[0], pt[1])); |
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bulge = vertex.getBulge(); |
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bulges.add(new Double(bulge)); |
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}else{
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logger.warn("Encontrado "+obj.getClass().getName()+" en la lista de vertices de Polyline2D"); |
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} |
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}//for
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} |
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if (pts.size()>0) { |
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List newPts = new ArrayList(); |
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if ((flags & 0x1)==0x1) { |
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for (int j=0;j<pts.size();j++) { |
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newPts.add(pts.get(j)); |
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} |
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newPts.add(pts.get(0));
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bulges.add(new Double(0)); |
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} else {
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for (int j=0;j<pts.size();j++) { |
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newPts.add(pts.get(j)); |
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} |
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} |
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double[] bs = new double[bulges.size()]; |
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for (int j=0;j<bulges.size();j++) { |
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bs[j] = ((Double)bulges.get(j)).doubleValue();
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} |
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setBulges(bs); |
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List points = GisModelCurveCalculator.
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calculateGisModelBulge(newPts, bs); |
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setPts(points); |
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} else {
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logger.warn("Encontrada polilínea sin puntos ...");
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// TODO: No se debe mandar nunca una polil�nea sin puntos, si esto
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// ocurre es porque existe un error que hay que corregir ...
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} |
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} |
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//TODO Este metodo es antiguo y MUY INEFICIENTE
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//No obstante lo dejo porque hace referencia a SeqEnd y a un posible bug
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public void calculateGisModel(List dwgObjects) { |
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int flags = getFlags();
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// En estas dos lineas de abajo y en el resto del metodo
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// se mantiene el mecanismo anterior al refactoring.
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// TODO: Pensar si deberiamos coger el handle completo.
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// Tal vez deberiamos tomar el handle completo y evaluar
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// a donde apuntan (pueden haber 2 handles con codigo y offset
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// distintos y que, sin embargo apunten al mismo objeto).
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int firstHandle = getFirstVertexHandle().getOffset();
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int lastHandle = getLastVertexHandle().getOffset();
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ArrayList pts = new ArrayList(); |
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ArrayList bulges = new ArrayList(); |
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double[] pt = new double[3]; |
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//TODO Esto cambiarlo. Es lento y poco elegante
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for (int j=0;j<dwgObjects.size();j++) { |
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DwgObject firstVertex = (DwgObject)dwgObjects.get(j); |
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if (firstVertex instanceof DwgVertex2D) { |
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int vertexHandle = firstVertex.getHandle().getOffset();
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if (vertexHandle==firstHandle) {
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int k=0; |
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while (true) { |
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DwgObject vertex = (DwgObject)dwgObjects.get(j+k); |
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int vHandle = vertex.getHandle().getOffset();
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if (vertex instanceof DwgVertex2D) { |
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pt = ((DwgVertex2D)vertex).getPoint(); |
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pts.add(new Point2D.Double(pt[0], pt[1])); |
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double bulge = ((DwgVertex2D)vertex).getBulge();
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bulges.add(new Double(bulge)); |
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k++; |
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if (vHandle==lastHandle && vertex instanceof DwgVertex2D) { |
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break;
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} |
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} else if (vertex instanceof DwgSeqend) { |
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// 051116, jmorell: Polil�neas_ACAD2000.dwg tiene un DwgSeqend en mitad de
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//una secuencia de v�rtices. Precauci�n con esto puesto que es posible que esta
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// condici�n fuera requerida en la carga de otros DWGs.
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//break;
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k++; |
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} |
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}//while
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}//if first handle
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}//if
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}//for
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if (pts.size()>0) { |
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List newPts = new ArrayList(); |
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if ((flags & 0x1)==0x1) { |
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for (int j=0;j<pts.size();j++) { |
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newPts.add(pts.get(j)); |
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} |
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newPts.add(pts.get(0));
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bulges.add(new Double(0)); |
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} else {
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for (int j=0;j<pts.size();j++) { |
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newPts.add(pts.get(j)); |
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} |
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} |
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double[] bs = new double[bulges.size()]; |
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for (int j=0;j<bulges.size();j++) { |
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bs[j] = ((Double)bulges.get(j)).doubleValue();
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} |
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setBulges(bs); |
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List points = GisModelCurveCalculator.
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calculateGisModelBulge(newPts, bs); |
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setPts(points); |
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} else {
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// System.out.println("Encontrada polil�nea sin puntos ...");
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// TODO: No se debe mandar nunca una polil�nea sin puntos, si esto
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// ocurre es porque existe un error que hay que corregir ...
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} |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.jdwglib.dwg.IDwgExtrusionable#applyExtrussion()
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*/
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public void applyExtrussion() { |
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if(getPts() == null) |
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return;
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List vertices = getPts();
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double[] polyline2DExt = getExtrusion(); |
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double elev = getElevation();
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double[][] polylinePoints3D = new double[vertices.size()][3]; |
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for (int j = 0;j < vertices.size(); j++) { |
| 472 |
polylinePoints3D[j][0] = ((double[])vertices.get(j))[0]; |
| 473 |
polylinePoints3D[j][1] = ((double[])vertices.get(j))[1]; |
| 474 |
polylinePoints3D[j][2] = elev;
|
| 475 |
polylinePoints3D[j] = AcadExtrusionCalculator.extrude2(polylinePoints3D[j], polyline2DExt); |
| 476 |
} |
| 477 |
setElevation(elev); |
| 478 |
for (int j=0;j<vertices.size();j++) { |
| 479 |
vertices.add(new double[]{((double[])polylinePoints3D[j])[0], ((double[])polylinePoints3D[j])[1]}); |
| 480 |
} |
| 481 |
setPts(vertices); |
| 482 |
} |
| 483 |
/* (non-Javadoc)
|
| 484 |
* @see com.iver.cit.jdwglib.dwg.IDwg3DTestable#has3DData()
|
| 485 |
*/
|
| 486 |
public boolean has3DData() { |
| 487 |
return (getElevation() != 0.0); |
| 488 |
} |
| 489 |
/* (non-Javadoc)
|
| 490 |
* @see com.iver.cit.jdwglib.dwg.IDwg3DTestable#getZ()
|
| 491 |
*/
|
| 492 |
public double getZ() { |
| 493 |
return getElevation();
|
| 494 |
} |
| 495 |
/* (non-Javadoc)
|
| 496 |
* @see com.iver.cit.jdwglib.dwg.IDwg2FMap#toFMapGeometry(boolean)
|
| 497 |
*/
|
| 498 |
public Geometry toFMapGeometry(boolean is3DFile) { |
| 499 |
GeometryFactory gFactory = GeometryManager.getInstance().getGeometryFactory(); |
| 500 |
List vertices = getPts();
|
| 501 |
double elev = getElevation();
|
| 502 |
|
| 503 |
if (vertices != null){ |
| 504 |
GeneralPathX gp = new GeneralPathX();
|
| 505 |
for (int i = 0; i < vertices.size(); i++) { |
| 506 |
Object vertice = vertices.get(i);
|
| 507 |
if(i==0){ |
| 508 |
if(vertice instanceof double[]){ |
| 509 |
gp.moveTo(new Double(((double[])vertice)[0]).floatValue(),new Double(((double[])vertice)[1]).floatValue()); |
| 510 |
} else if (vertice instanceof Point2D){ |
| 511 |
gp.moveTo(new Double(((Point2D)vertice).getX()).floatValue(), |
| 512 |
new Double(((Point2D)vertice).getY()).floatValue()); |
| 513 |
} |
| 514 |
} else {
|
| 515 |
|
| 516 |
if(vertice instanceof double[]){ |
| 517 |
gp.lineTo(new Double(((double[])vertice)[0]).floatValue(),new Double(((double[])vertice)[1]).floatValue()); |
| 518 |
} else if (vertice instanceof Point2D){ |
| 519 |
gp.lineTo(new Double(((Point2D)vertice).getX()).floatValue(), |
| 520 |
new Double(((Point2D)vertice).getY()).floatValue()); |
| 521 |
} |
| 522 |
} |
| 523 |
} |
| 524 |
if (is3DFile) {
|
| 525 |
return gFactory.createPolyline3D(gp,new double[] {elev}); |
| 526 |
} else {
|
| 527 |
return gFactory.createPolyline2D(gp);
|
| 528 |
} |
| 529 |
} else {
|
| 530 |
return null; |
| 531 |
} |
| 532 |
} |
| 533 |
/* (non-Javadoc)
|
| 534 |
* @see com.iver.cit.jdwglib.dwg.IDwg2FMap#toFMapString(boolean)
|
| 535 |
*/
|
| 536 |
public String toFMapString(boolean is3DFile) { |
| 537 |
if(is3DFile)
|
| 538 |
return "FPolyline3D"; |
| 539 |
else
|
| 540 |
return "FPolyline2D"; |
| 541 |
} |
| 542 |
|
| 543 |
public String toString(){ |
| 544 |
return "Polyline2D"; |
| 545 |
} |
| 546 |
public void transform2Block(double[] bPoint, Point2D insPoint, |
| 547 |
double[] scale, double rot, |
| 548 |
List dwgObjectsWithoutBlocks,
|
| 549 |
Map handleObjWithoutBlocks, DwgFile callBack) {
|
| 550 |
|
| 551 |
DwgPolyline2D transformedEntity = null;
|
| 552 |
List vertices = this.getPts(); |
| 553 |
|
| 554 |
if (vertices != null) { |
| 555 |
List transformedVertices = new ArrayList(); |
| 556 |
for (int i=0;i < vertices.size();i++) { |
| 557 |
double[] pointAux = null; |
| 558 |
pointAux = new double[]{((double[]) vertices.get(i))[0] - bPoint[0], |
| 559 |
((double[]) vertices.get(i))[1] - bPoint[1]}; |
| 560 |
|
| 561 |
double laX = insPoint.getX() + ((pointAux[0] * scale[0])*Math.cos(rot) + (pointAux[1]*scale[1])*(-1)*Math.sin(rot)); |
| 562 |
double laY = insPoint.getY() + ((pointAux[0]*scale[0])*Math.sin(rot) + (pointAux[1]*scale[1])*Math.cos(rot)); |
| 563 |
transformedVertices.add(new double[]{laX, laY}); |
| 564 |
}//for
|
| 565 |
transformedEntity = (DwgPolyline2D)this.clone();
|
| 566 |
transformedEntity.setPts(transformedVertices); |
| 567 |
transformedEntity.setElevation((this.getElevation() * scale[2])); |
| 568 |
dwgObjectsWithoutBlocks.add(transformedEntity); |
| 569 |
handleObjWithoutBlocks.put(new Integer(transformedEntity.getHandle().getOffset()), transformedEntity); |
| 570 |
} |
| 571 |
} |
| 572 |
/* (non-Javadoc)
|
| 573 |
* @see java.lang.Object#clone()
|
| 574 |
*/
|
| 575 |
public Object clone(){ |
| 576 |
DwgPolyline2D obj = new DwgPolyline2D(index);
|
| 577 |
this.fill(obj);
|
| 578 |
return obj;
|
| 579 |
} |
| 580 |
|
| 581 |
protected void fill(DwgObject obj){ |
| 582 |
super.fill(obj);
|
| 583 |
DwgPolyline2D myObj = (DwgPolyline2D)obj; |
| 584 |
|
| 585 |
myObj.setBulges(bulges); |
| 586 |
myObj.setCurveType(curveType); |
| 587 |
myObj.setElevation(elevation); |
| 588 |
myObj.setEndWidth(endWidth); |
| 589 |
myObj.setExtrusion(extrusion); |
| 590 |
myObj.setFirstVertexHandle(firstVertexHandle); |
| 591 |
myObj.setFlags(flags); |
| 592 |
myObj.setInitWidth(initWidth); |
| 593 |
myObj.setLastVertexHandle(lastVertexHandle); |
| 594 |
myObj.setPts(vertices); |
| 595 |
myObj.setSeqendHandle(seqendHandle); |
| 596 |
myObj.setThickness(thickness); |
| 597 |
|
| 598 |
} |
| 599 |
public void addVertex(IDwgVertex vertex) { |
| 600 |
vertices.add(vertex.getPoint()); |
| 601 |
} |
| 602 |
} |