Revision 10054 trunk/libraries/libDwg/src/com/iver/cit/jdwglib/dwg/DwgUtil.java

View differences:

DwgUtil.java
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	 *
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the extended data of a DWG object
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	 */
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	public static ArrayList readExtendedData(int[] data, int offset) throws Exception {
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	public static ArrayList readExtendedData(int[] data, int offset) throws RuntimeException {
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		int bitPos = offset;
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		ArrayList extData = new ArrayList();
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		while (true) {
......
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @param defVal Default double value
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the double value
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	 */
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	public static ArrayList getDefaultDouble(int[] data, int offset, double defVal) throws Exception {
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	public static ArrayList getDefaultDouble(int[] data, int offset, double defVal) throws RuntimeException {
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    	int flags = ((Integer)getBits(data, 2, offset)).intValue();
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    	int read = 2;
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    	double val;
......
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	 *
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the double value
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	 */
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	public static ArrayList getBitDouble(int[] data, int offset) throws Exception {
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	public static ArrayList getBitDouble(int[] data, int offset) throws RuntimeException {
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		ArrayList v = new ArrayList();
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		int type = ((Integer)getBits(data, 2, offset)).intValue();
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		int read = 2;
......
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	 *
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the double value
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	 */
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	public static ArrayList getRawDouble(int[] data, int offset) throws Exception {
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	public static ArrayList getRawDouble(int[] data, int offset) throws RuntimeException {
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    	byte[] bytes = (byte[])getBits(data, 64, offset);
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		ByteBuffer bb = ByteBuffer.wrap(bytes);
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		bb.order(ByteOrder.LITTLE_ENDIAN);
......
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	 *
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the short value
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	 */
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	public static ArrayList getBitShort(int[] data, int offset) throws Exception {
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	public static ArrayList getBitShort(int[] data, int offset) throws RuntimeException {
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		ArrayList v = new ArrayList();
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		int type = ((Integer)getBits(data, 2, offset)).intValue();
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		int read = 2;
......
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	 *
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the short value
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	 */
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	public static ArrayList getRawShort(int[] data, int offset) throws Exception {
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	public static ArrayList getRawShort(int[] data, int offset) throws RuntimeException {
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		byte[] bytes = (byte[])getBits(data, 16, offset);
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		ByteBuffer bb = ByteBuffer.wrap(bytes);
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		bb.order(ByteOrder.LITTLE_ENDIAN);
......
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	 *
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the long value
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	 */
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	public static ArrayList getBitLong(int[] data, int offset) throws Exception {
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	public static ArrayList getBitLong(int[] data, int offset) throws RuntimeException {
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    	int type = ((Integer)getBits(data, 2, offset)).intValue();
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    	int read = 2;
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    	int val = 0;
......
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	 *
397 397 
	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the long value
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	 * @throws Exception
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	 * @throws RuntimeException
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	 */
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	public static ArrayList getRawLong(int[] data, int offset) throws Exception {
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	public static ArrayList getRawLong(int[] data, int offset) throws RuntimeException {
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		ArrayList v = new ArrayList();
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	    // _val = struct.unpack('<l', _long)[0]
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		byte[] bytes = (byte[])getBits(data, 32, offset);
......
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	 *
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the char value
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	 */
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	public static ArrayList getRawChar(int[] data, int offset) throws Exception {
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	public static ArrayList getRawChar(int[] data, int offset) throws RuntimeException {
427 427 
		int charr = ((Integer)getBits(data, 8, offset)).intValue();
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    	ArrayList v = new ArrayList();
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    	v.add(new Integer(offset+8));
......
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	 *
436 436 
	 * @param data Array of unsigned bytes obtained from the DWG binary file
437 437 
	 * @param offset The current bit offset where the value begins
438 
	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
439 439 
	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the char value
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	 */
443 
	public static ArrayList getModularChar(int[] data, int offset) throws Exception {
443 
	public static ArrayList getModularChar(int[] data, int offset) throws RuntimeException {
444 444 
		int val=0;
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		ArrayList bytes = new ArrayList();
446 446 
		boolean read = true;
......
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	 *
474 474 
	 * @param data Array of unsigned bytes obtained from the DWG binary file
475 475 
	 * @param offset The current bit offset where the value begins
476 
	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
476 
	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the String
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	 */
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	public static ArrayList getTextString(int[] data, int offset) throws Exception {
481 
	public static ArrayList getTextString(int[] data, int offset) throws RuntimeException {
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		int bitPos = offset;
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		ArrayList bitShort = DwgUtil.getBitShort(data, bitPos);
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	    int newBitPos = ((Integer)bitShort.get(0)).intValue();
......
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	 *
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
507 507 
	 * @param offset The current bit offset where the value begins
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	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return ArrayList This ArrayList has two parts. First is an int value that represents
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	 * 		   the new offset, and second is the int value (handle of a DWG object)
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	 */
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	public static ArrayList getHandle(int[] data, int offset) throws Exception {
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	public static ArrayList getHandle(int[] data, int offset) throws RuntimeException {
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		ArrayList v = new ArrayList();
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		int code = ((Integer)DwgUtil.getBits(data, 4, offset)).intValue();
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	    int counter = ((Integer)DwgUtil.getBits(data, 4, (offset + 4))).intValue();
......
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	 * @param data Array of unsigned bytes obtained from the DWG binary file
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	 * @param count Bit counter
583 583 
	 * @param offset The current bit offset where the value begins
584 
	 * @throws Exception If an unexpected bit value is found in the DWG file. Occurs
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	 * @throws RuntimeException If an unexpected bit value is found in the DWG file. Occurs
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	 * 		   when we are looking for LwPolylines.
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	 * @return This method returns an array of bytes or an int value
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	 */
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	public static Object getBits(int[] data, int count, int offset) throws Exception {
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	public static Object getBits(int[] data, int count, int offset) throws RuntimeException {
589 589 
		int idx = offset/8;
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		int bitidx = offset%8;
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		/**

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