Support for DocumentAtom
git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353715 13f79535-47bb-0310-9956-ffa450edef68
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Nick Burch
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src/scratchpad/src/org/apache/poi/hslf/record/DocumentAtom.java
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src/scratchpad/src/org/apache/poi/hslf/record/DocumentAtom.java
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/* ====================================================================
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Copyright 2002-2004 Apache Software Foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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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.hslf.record;
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import org.apache.poi.util.LittleEndian;
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import java.io.IOException;
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import java.io.OutputStream;
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/**
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* A Document Atom (type 1001). Holds misc information on the PowerPoint
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* document, lots of them size and scale related.
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*
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* @author Nick Burch
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*/
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public class DocumentAtom extends RecordAtom
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{
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private byte[] _header;
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private static long _type = 1001l;
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private long slideSizeX; // PointAtom, assume 1st 4 bytes = X
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private long slideSizeY; // PointAtom, assume 2nd 4 bytes = Y
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private long notesSizeX; // PointAtom, assume 1st 4 bytes = X
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private long notesSizeY; // PointAtom, assume 2nd 4 bytes = Y
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private long serverZoomFrom; // RatioAtom, assume 1st 4 bytes = from
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private long serverZoomTo; // RatioAtom, assume 2nd 4 bytes = to
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private long notesMasterPersist; // ref to NotesMaster, 0 if none
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private long handoutMasterPersist; // ref to HandoutMaster, 0 if none
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private int firstSlideNum;
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private int slideSizeType; // see DocumentAtom.SlideSize
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private byte saveWithFonts;
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private byte omitTitlePlace;
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private byte rightToLeft;
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private byte showComments;
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private byte[] reserved;
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public long getSlideSizeX() { return slideSizeX; }
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public long getSlideSizeY() { return slideSizeY; }
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public long getNotesSizeX() { return notesSizeX; }
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public long getNotesSizeY() { return notesSizeY; }
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public void setSlideSizeX(long x) { slideSizeX = x; }
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public void setSlideSizeY(long y) { slideSizeY = y; }
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public void setNotesSizeX(long x) { notesSizeX = x; }
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public void setNotesSizeY(long y) { notesSizeY = y; }
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public long getServerZoomFrom() { return serverZoomFrom; }
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public long getServerZoomTo() { return serverZoomTo; }
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public void setServerZoomFrom(long zoom) { serverZoomFrom = zoom; }
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public void setServerZoomTo(long zoom) { serverZoomTo = zoom; }
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/** Returns a reference to the NotesMaster, or 0 if none */
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public long getNotesMasterPersist() { return notesMasterPersist; }
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/** Returns a reference to the HandoutMaster, or 0 if none */
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public long getHandoutMasterPersist() { return handoutMasterPersist; }
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public int getFirstSlideNum() { return firstSlideNum; }
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/** The Size of the Document's slides, @see DocumentAtom.SlideSize for values */
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public int getSlideSizeType() { return slideSizeType; }
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/** Was the document saved with True Type fonts embeded? */
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public boolean getSaveWithFonts() {
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if(saveWithFonts == 0) { return false; } else { return true; } }
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/** Have the placeholders on the title slide been omitted? */
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public boolean getOmitTitlePlace() {
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if(omitTitlePlace == 0) { return false; } else { return true; } }
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/** Is this a Bi-Directional PPT Doc? */
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public boolean getRightToLeft() {
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if(rightToLeft == 0) { return false; } else { return true; } }
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/** Are comment shapes visible? */
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public boolean getShowComments() {
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if(showComments == 0) { return false; } else { return true; } }
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/* *************** record code follows ********************** */
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/**
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* For the Document Atom
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*/
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protected DocumentAtom(byte[] source, int start, int len) {
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// Sanity Checking
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if(len < 48) { len = 48; }
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// Get the header
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_header = new byte[8];
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System.arraycopy(source,start,_header,0,8);
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// Get the sizes and zoom ratios
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slideSizeX = LittleEndian.getInt(source,start+0+8);
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slideSizeY = LittleEndian.getInt(source,start+4+8);
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notesSizeX = LittleEndian.getInt(source,start+8+8);
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notesSizeY = LittleEndian.getInt(source,start+12+8);
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serverZoomFrom = LittleEndian.getInt(source,start+16+8);
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serverZoomTo = LittleEndian.getInt(source,start+20+8);
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// Get the master persists
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notesMasterPersist = LittleEndian.getInt(source,start+24+8);
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handoutMasterPersist = LittleEndian.getInt(source,start+28+8);
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// Get the ID of the first slide
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firstSlideNum = (int)LittleEndian.getShort(source,start+32+8);
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// Get the slide size type
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slideSizeType = (int)LittleEndian.getShort(source,start+34+8);
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// Get the booleans as bytes
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saveWithFonts = source[start+36+8];
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omitTitlePlace = source[start+37+8];
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rightToLeft = source[start+38+8];
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showComments = source[start+39+8];
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// If there's any other bits of data, keep them about
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reserved = new byte[len-40-8];
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System.arraycopy(source,start+48,reserved,0,reserved.length);
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}
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/**
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* We are of type 1001
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*/
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public long getRecordType() { return _type; }
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/**
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* Write the contents of the record back, so it can be written
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* to disk
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*/
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public void writeOut(OutputStream out) throws IOException {
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// Header
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out.write(_header);
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// The sizes and zoom ratios
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writeLittleEndian((int)slideSizeX,out);
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writeLittleEndian((int)slideSizeY,out);
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writeLittleEndian((int)notesSizeX,out);
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writeLittleEndian((int)notesSizeY,out);
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writeLittleEndian((int)serverZoomFrom,out);
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writeLittleEndian((int)serverZoomTo,out);
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// The master persists
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writeLittleEndian((int)notesMasterPersist,out);
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writeLittleEndian((int)handoutMasterPersist,out);
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// The ID of the first slide
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writeLittleEndian((short)firstSlideNum,out);
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// The slide size type
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writeLittleEndian((short)slideSizeType,out);
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// The booleans as bytes
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out.write(saveWithFonts);
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out.write(omitTitlePlace);
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out.write(rightToLeft);
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out.write(showComments);
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// Reserved data
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out.write(reserved);
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}
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/**
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* Holds the different Slide Size values
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*/
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public static final class SlideSize {
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public static final int ON_SCREEN = 0;
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public static final int LETTER_SIZED_PAPER = 1;
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public static final int A4_SIZED_PAPER = 2;
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public static final int ON_35MM = 3;
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public static final int OVERHEAD = 4;
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public static final int BANNER = 5;
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public static final int CUSTOM = 6;
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}
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}
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@ -133,6 +133,11 @@ public abstract class Record
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toReturn = new DummyPositionSensitiveRecordWithChildren(b,start,len);
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break;
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// DocumentAtom
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case 1001:
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toReturn = new DocumentAtom(b,start,len);
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break;
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// "Slide"
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case 1006:
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toReturn = new Slide(b,start,len);
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