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• DwgLinearDimension.java

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org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgLinearDimension Maven / Gradle / Ivy

/*
 * JGrass - Free Open Source Java GIS http://www.jgrass.org 
 * (C) HydroloGIS - www.hydrologis.com 
 * 
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Library General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option) any
 * later version.
 * 
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Library General Public License
 * along with this library; if not, write to the Free Foundation, Inc., 59
 * Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects;

import java.awt.geom.Point2D;
import java.util.Vector;

import org.jgrasstools.gears.io.dxfdwg.libs.dwg.DwgObject;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.DwgUtil;

/**
 * The DwgLinearDimension class represents a DWG Linear dimension
 * 
 * @author jmorell
 */
public class DwgLinearDimension extends DwgObject {
	private double[] extrusion;
	private Point2D textMidpoint;
	private double elevation;
	private int flags;
	private String text;
	private double rotation;
	private double horizDir;
	private double[] insScale;
	private double insRotation;
	private int attachmentPoint;
	private int linespaceStyle;
	private double linespaceFactor;
	private double actualMeasurement;
	private Point2D pt12;
	private double[] pt10;
	private double[] pt13;
	private double[] pt14;
	private double extRotation;
	private double dimensionRotation;
	private int dimstyleHandle;
	private int anonBlockHandle;
	
	/**
	 * Read a Linear dimension in the DWG format Version 15
	 * 
	 * @param data Array of unsigned bytes obtained from the DWG binary file
	 * @param offset The current bit offset where the value begins
	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
	 * 		   when we are looking for LwPolylines.
	 */
	public void readDwgLinearDimensionV15(int[] data, int offset) throws Exception {
		int bitPos = offset;
		bitPos = readObjectHeaderV15(data, bitPos);
		Vector v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		double x = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		double y = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		double z = ((Double)v.get(1)).doubleValue();
		extrusion = new double[]{x, y, z};
		v = DwgUtil.getRawDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		x = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getRawDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		y = ((Double)v.get(1)).doubleValue();
		textMidpoint = new Point2D.Double(x, y);
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		double val = ((Double)v.get(1)).doubleValue();
		elevation = val;
		v = DwgUtil.getRawChar(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		int flags = ((Integer)v.get(1)).intValue();
		this.flags = flags;
		v = DwgUtil.getTextString(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		String text = (String)v.get(1);
		this.text = text;
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		val = ((Double)v.get(1)).doubleValue();
		rotation = val;
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		val = ((Double)v.get(1)).doubleValue();
		horizDir = val;
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		x = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		y = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		z = ((Double)v.get(1)).doubleValue();
		insScale = new double[]{x, y, z};
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		val = ((Double)v.get(1)).doubleValue();
		insRotation = val;
		v = DwgUtil.getBitShort(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		int ap = ((Integer)v.get(1)).intValue();
		attachmentPoint = ap;
		v = DwgUtil.getBitShort(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		int lss = ((Integer)v.get(1)).intValue();
		linespaceStyle = lss;
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		val = ((Double)v.get(1)).doubleValue();
		linespaceFactor = val;
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		val = ((Double)v.get(1)).doubleValue();
		actualMeasurement = val;
		v = DwgUtil.getRawDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		x = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getRawDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		val = ((Double)v.get(1)).doubleValue();
		pt12 = new Point2D.Double(x, y);
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		x = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		y = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		z = ((Double)v.get(1)).doubleValue();
		pt10 = new double[]{x, y, z};
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		x = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		y = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		z = ((Double)v.get(1)).doubleValue();
		pt13 = new double[]{x, y, z};
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		x = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		y = ((Double)v.get(1)).doubleValue();
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		z = ((Double)v.get(1)).doubleValue();
		pt14 = new double[]{x, y, z};
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		val = ((Double)v.get(1)).doubleValue();
		extRotation = val;
		v = DwgUtil.getBitDouble(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		val = ((Double)v.get(1)).doubleValue();
		dimensionRotation = val;
		bitPos = readObjectTailV15(data, bitPos);
		v = DwgUtil.getHandle(data, bitPos);
		bitPos = ((Integer)v.get(0)).intValue();
		int[] handle = new int[v.size()-1];
	    for (int i=1;i