146 lines
4.5 KiB
Java
146 lines
4.5 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.record;
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import org.apache.poi.util.HexDump;
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import org.apache.poi.util.LittleEndianByteArrayOutputStream;
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import org.apache.poi.util.LittleEndianInput;
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import org.apache.poi.util.LittleEndianOutput;
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/**
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* MsoDrawingSelection (0x00ED)<p/>
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* Reference:
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* [MS-OGRAPH].pdf sec 2.4.69
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*
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* @author Josh Micich
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*/
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public final class DrawingSelectionRecord extends Record {
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public static final short sid = 0x00ED;
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/**
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* From [MS-ODRAW].pdf sec 2.2.1<br/>
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* TODO - make EscherRecordHeader {@link LittleEndianInput} aware and refactor with this
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*/
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private static final class OfficeArtRecordHeader {
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public static final int ENCODED_SIZE = 8;
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/**
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* lower 4 bits is 'version' usually 0x01 or 0x0F (for containers)<br/>
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* upper 12 bits is 'instance'
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*/
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private final int _verAndInstance;
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/** value should be between 0xF000 and 0xFFFF */
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private final int _type;
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private final int _length;
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public OfficeArtRecordHeader(LittleEndianInput in) {
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_verAndInstance = in.readUShort();
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_type = in.readUShort();
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_length = in.readInt();
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}
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public void serialize(LittleEndianOutput out) {
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out.writeShort(_verAndInstance);
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out.writeShort(_type);
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out.writeInt(_length);
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}
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public String debugFormatAsString() {
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StringBuffer sb = new StringBuffer(32);
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sb.append("ver+inst=").append(HexDump.shortToHex(_verAndInstance));
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sb.append(" type=").append(HexDump.shortToHex(_type));
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sb.append(" len=").append(HexDump.intToHex(_length));
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return sb.toString();
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}
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}
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// [MS-OGRAPH].pdf says that the data of this record is an OfficeArtFDGSL structure
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// as described in[MS-ODRAW].pdf sec 2.2.33
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private OfficeArtRecordHeader _header;
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private int _cpsp;
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/** a MSODGSLK enum value for the current selection mode */
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private int _dgslk;
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private int _spidFocus;
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/** selected shape IDs (e.g. from EscherSpRecord.ShapeId) */
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private int[] _shapeIds;
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public DrawingSelectionRecord(RecordInputStream in) {
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_header = new OfficeArtRecordHeader(in);
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_cpsp = in.readInt();
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_dgslk = in.readInt();
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_spidFocus = in.readInt();
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int nShapes = in.available() / 4;
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int[] shapeIds = new int[nShapes];
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for (int i = 0; i < nShapes; i++) {
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shapeIds[i] = in.readInt();
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}
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_shapeIds = shapeIds;
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}
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public short getSid() {
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return sid;
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}
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protected int getDataSize() {
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return OfficeArtRecordHeader.ENCODED_SIZE
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+ 12 // 3 int fields
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+ _shapeIds.length * 4;
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}
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public int serialize(int offset, byte[] data) {
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int dataSize = getDataSize();
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int recSize = 4 + dataSize;
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LittleEndianOutput out = new LittleEndianByteArrayOutputStream(data, offset, recSize);
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out.writeShort(sid);
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out.writeShort(dataSize);
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_header.serialize(out);
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out.writeInt(_cpsp);
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out.writeInt(_dgslk);
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out.writeInt(_spidFocus);
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for (int i = 0; i < _shapeIds.length; i++) {
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out.writeInt(_shapeIds[i]);
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}
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return recSize;
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}
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public Object clone() {
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// currently immutable
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return this;
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}
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public String toString() {
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StringBuffer sb = new StringBuffer();
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sb.append("[MSODRAWINGSELECTION]\n");
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sb.append(" .rh =(").append(_header.debugFormatAsString()).append(")\n");
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sb.append(" .cpsp =").append(HexDump.intToHex(_cpsp)).append('\n');
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sb.append(" .dgslk =").append(HexDump.intToHex(_dgslk)).append('\n');
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sb.append(" .spidFocus=").append(HexDump.intToHex(_spidFocus)).append('\n');
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sb.append(" .shapeIds =(");
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for (int i = 0; i < _shapeIds.length; i++) {
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if (i > 0) {
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sb.append(", ");
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}
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sb.append(HexDump.intToHex(_shapeIds[i]));
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}
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sb.append(")\n");
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sb.append("[/MSODRAWINGSELECTION]\n");
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return sb.toString();
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}
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}
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