Application: gvSIG desktop

/* jdwglib. Java Library for reading Dwg files.

 * 

 * Author: Jose Morell Rama (jose.morell@gmail.com).

 * Port from the Pythoncad Dwg library by Art Haas.

 *

 * Copyright (C) 2005 Jose Morell, IVER TI S.A. and Generalitat Valenciana

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 * Jose Morell (jose.morell@gmail.com)

 * 

 * or

 *

 * IVER TI S.A.

 *  C/Salamanca, 50

 *  46005 Valencia

 *  Spain

 *  +34 963163400

 *  dac@iver.es

 */

package com.iver.cit.jdwglib.dwg.objects;

import java.util.Vector;

import com.iver.cit.jdwglib.dwg.DwgObject;

import com.iver.cit.jdwglib.dwg.DwgUtil;

/**

 * The DwgBlockControl class represents a DWG Block control

 * 

 * @author jmorell

 */

public class DwgBlockControl extends DwgObject {

        private int nullHandle;

        private Vector code2Handles;

        private int modelSpaceHandle;

        private int paperSpaceHandle;

        /**

         * Read a Block control 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 readDwgBlockControlV15(int[] data, int offset) throws Exception {

                //System.out.println("readDwgBlockControl() executed ...");

                int bitPos = offset;

                Vector v = DwgUtil.getBitLong(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                int numReactors = ((Integer)v.get(1)).intValue();

                setNumReactors(numReactors);

                v = DwgUtil.getBitShort(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                int enum = ((Integer)v.get(1)).intValue();

                v = DwgUtil.getHandle(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                int[] handle = new int[v.size()-1];

            for (int i=1;i<v.size();i++) {

                    handle[i-1] = ((Integer)v.get(i)).intValue();

            }

                Vector handleVect = new Vector();

            for (int i=0;i<handle.length;i++) {

                    handleVect.add(new Integer(handle[i]));

            }

            nullHandle = DwgUtil.handleBinToHandleInt(handleVect);

                v = DwgUtil.getHandle(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                handle = new int[v.size()-1];

            for (int i=1;i<v.size();i++) {

                    handle[i-1] = ((Integer)v.get(i)).intValue();

            }

                if (enum>0) {

                        Vector handles = new Vector();

                        for (int i=0;i<enum;i++) {

                                v = DwgUtil.getHandle(data, bitPos);

                                bitPos = ((Integer)v.get(0)).intValue();

                                handle = new int[v.size()-1];

                            for (int j=1;j<v.size();j++) {

                                    handle[j-1] = ((Integer)v.get(j)).intValue();

                            }

                                handles.add(handle);

                        }

                        code2Handles = handles;

                }

                v = DwgUtil.getHandle(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                handle = new int[v.size()-1];

            for (int j=1;j<v.size();j++) {

                    handle[j-1] = ((Integer)v.get(j)).intValue();

            }

            handleVect = new Vector();

            for (int i=0;i<handle.length;i++) {

                    handleVect.add(new Integer(handle[i]));

            }

            modelSpaceHandle = DwgUtil.handleBinToHandleInt(handleVect);

                v = DwgUtil.getHandle(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                handle = new int[v.size()-1];

            for (int j=1;j<v.size();j++) {

                    handle[j-1] = ((Integer)v.get(j)).intValue();

            }

            handleVect = new Vector();

            for (int i=0;i<handle.length;i++) {

                    handleVect.add(new Integer(handle[i]));

            }

            paperSpaceHandle = DwgUtil.handleBinToHandleInt(handleVect);

        }

}