| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==================================================================== */ |
| |
| package org.apache.poi.hslf.record; |
| |
| import org.apache.poi.util.LittleEndian; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * A Document Atom (type 1001). Holds misc information on the PowerPoint |
| * document, lots of them size and scale related. |
| * |
| * @author Nick Burch |
| */ |
| |
| public final class DocumentAtom extends RecordAtom |
| { |
| private byte[] _header; |
| private static long _type = 1001l; |
| |
| private long slideSizeX; // PointAtom, assume 1st 4 bytes = X |
| private long slideSizeY; // PointAtom, assume 2nd 4 bytes = Y |
| private long notesSizeX; // PointAtom, assume 1st 4 bytes = X |
| private long notesSizeY; // PointAtom, assume 2nd 4 bytes = Y |
| private long serverZoomFrom; // RatioAtom, assume 1st 4 bytes = from |
| private long serverZoomTo; // RatioAtom, assume 2nd 4 bytes = to |
| |
| private long notesMasterPersist; // ref to NotesMaster, 0 if none |
| private long handoutMasterPersist; // ref to HandoutMaster, 0 if none |
| |
| private int firstSlideNum; |
| private int slideSizeType; // see DocumentAtom.SlideSize |
| |
| private byte saveWithFonts; |
| private byte omitTitlePlace; |
| private byte rightToLeft; |
| private byte showComments; |
| |
| private byte[] reserved; |
| |
| |
| public long getSlideSizeX() { return slideSizeX; } |
| public long getSlideSizeY() { return slideSizeY; } |
| public long getNotesSizeX() { return notesSizeX; } |
| public long getNotesSizeY() { return notesSizeY; } |
| public void setSlideSizeX(long x) { slideSizeX = x; } |
| public void setSlideSizeY(long y) { slideSizeY = y; } |
| public void setNotesSizeX(long x) { notesSizeX = x; } |
| public void setNotesSizeY(long y) { notesSizeY = y; } |
| |
| public long getServerZoomFrom() { return serverZoomFrom; } |
| public long getServerZoomTo() { return serverZoomTo; } |
| public void setServerZoomFrom(long zoom) { serverZoomFrom = zoom; } |
| public void setServerZoomTo(long zoom) { serverZoomTo = zoom; } |
| |
| /** Returns a reference to the NotesMaster, or 0 if none */ |
| public long getNotesMasterPersist() { return notesMasterPersist; } |
| /** Returns a reference to the HandoutMaster, or 0 if none */ |
| public long getHandoutMasterPersist() { return handoutMasterPersist; } |
| |
| public int getFirstSlideNum() { return firstSlideNum; } |
| |
| /** The Size of the Document's slides, @see DocumentAtom.SlideSize for values */ |
| public int getSlideSizeType() { return slideSizeType; } |
| |
| /** Was the document saved with True Type fonts embeded? */ |
| public boolean getSaveWithFonts() { |
| return saveWithFonts != 0; |
| } |
| |
| /** Have the placeholders on the title slide been omitted? */ |
| public boolean getOmitTitlePlace() { |
| return omitTitlePlace != 0; |
| } |
| |
| /** Is this a Bi-Directional PPT Doc? */ |
| public boolean getRightToLeft() { |
| return rightToLeft != 0; |
| } |
| |
| /** Are comment shapes visible? */ |
| public boolean getShowComments() { |
| return showComments != 0; |
| } |
| |
| |
| /* *************** record code follows ********************** */ |
| |
| /** |
| * For the Document Atom |
| */ |
| protected DocumentAtom(byte[] source, int start, int len) { |
| // Sanity Checking |
| if(len < 48) { len = 48; } |
| |
| // Get the header |
| _header = new byte[8]; |
| System.arraycopy(source,start,_header,0,8); |
| |
| // Get the sizes and zoom ratios |
| slideSizeX = LittleEndian.getInt(source,start+0+8); |
| slideSizeY = LittleEndian.getInt(source,start+4+8); |
| notesSizeX = LittleEndian.getInt(source,start+8+8); |
| notesSizeY = LittleEndian.getInt(source,start+12+8); |
| serverZoomFrom = LittleEndian.getInt(source,start+16+8); |
| serverZoomTo = LittleEndian.getInt(source,start+20+8); |
| |
| // Get the master persists |
| notesMasterPersist = LittleEndian.getInt(source,start+24+8); |
| handoutMasterPersist = LittleEndian.getInt(source,start+28+8); |
| |
| // Get the ID of the first slide |
| firstSlideNum = LittleEndian.getShort(source,start+32+8); |
| |
| // Get the slide size type |
| slideSizeType = LittleEndian.getShort(source,start+34+8); |
| |
| // Get the booleans as bytes |
| saveWithFonts = source[start+36+8]; |
| omitTitlePlace = source[start+37+8]; |
| rightToLeft = source[start+38+8]; |
| showComments = source[start+39+8]; |
| |
| // If there's any other bits of data, keep them about |
| reserved = new byte[len-40-8]; |
| System.arraycopy(source,start+48,reserved,0,reserved.length); |
| } |
| |
| /** |
| * We are of type 1001 |
| */ |
| public long getRecordType() { return _type; } |
| |
| /** |
| * Write the contents of the record back, so it can be written |
| * to disk |
| */ |
| public void writeOut(OutputStream out) throws IOException { |
| // Header |
| out.write(_header); |
| |
| // The sizes and zoom ratios |
| writeLittleEndian((int)slideSizeX,out); |
| writeLittleEndian((int)slideSizeY,out); |
| writeLittleEndian((int)notesSizeX,out); |
| writeLittleEndian((int)notesSizeY,out); |
| writeLittleEndian((int)serverZoomFrom,out); |
| writeLittleEndian((int)serverZoomTo,out); |
| |
| // The master persists |
| writeLittleEndian((int)notesMasterPersist,out); |
| writeLittleEndian((int)handoutMasterPersist,out); |
| |
| // The ID of the first slide |
| writeLittleEndian((short)firstSlideNum,out); |
| |
| // The slide size type |
| writeLittleEndian((short)slideSizeType,out); |
| |
| // The booleans as bytes |
| out.write(saveWithFonts); |
| out.write(omitTitlePlace); |
| out.write(rightToLeft); |
| out.write(showComments); |
| |
| // Reserved data |
| out.write(reserved); |
| } |
| |
| /** |
| * Holds the different Slide Size values |
| */ |
| public static final class SlideSize { |
| public static final int ON_SCREEN = 0; |
| public static final int LETTER_SIZED_PAPER = 1; |
| public static final int A4_SIZED_PAPER = 2; |
| public static final int ON_35MM = 3; |
| public static final int OVERHEAD = 4; |
| public static final int BANNER = 5; |
| public static final int CUSTOM = 6; |
| } |
| } |