93 lines
2.7 KiB
Java
93 lines
2.7 KiB
Java
/* ====================================================================
|
|
Copyright 2002-2004 Apache Software Foundation
|
|
|
|
Licensed 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.*;
|
|
import java.util.*;
|
|
|
|
/**
|
|
* <code>FontCollection</code> ia a container that holds information
|
|
* about all the fonts in the presentation.
|
|
*
|
|
* @author Yegor Kozlov
|
|
*/
|
|
|
|
public class FontCollection extends RecordContainer {
|
|
private List fonts;
|
|
private Record[] _children;
|
|
private byte[] _header;
|
|
|
|
protected FontCollection(byte[] source, int start, int len) {
|
|
// Grab the header
|
|
_header = new byte[8];
|
|
System.arraycopy(source,start,_header,0,8);
|
|
|
|
_children = Record.findChildRecords(source,start+8,len-8);
|
|
// Save font names into <code>List</code>
|
|
fonts = new ArrayList();
|
|
for (int i = 0; i < _children.length; i++){
|
|
FontEntityAtom atom = (FontEntityAtom)_children[i];
|
|
fonts.add(atom.getFontName());
|
|
}
|
|
|
|
}
|
|
|
|
public long getRecordType() {
|
|
return RecordTypes.FontCollection.typeID;
|
|
}
|
|
|
|
public Record[] getChildRecords() {
|
|
return _children;
|
|
}
|
|
|
|
/**
|
|
* Write the contents of the record back, so it can be written
|
|
* to disk
|
|
*/
|
|
public void writeOut(OutputStream out) throws IOException {
|
|
writeOut(_header[0],_header[1],getRecordType(),_children,out);
|
|
}
|
|
|
|
/**
|
|
* Add font with the specified name to the font collection.
|
|
* If the font is already present return its index.
|
|
* @param name of the font
|
|
* @return zero based index of the font in the collection
|
|
*/
|
|
public int addFont(String name) {
|
|
for (int i = 0; i < fonts.size(); i++) {
|
|
if(fonts.get(i).equals(name)){
|
|
//if the font is already present return its index
|
|
return i;
|
|
}
|
|
}
|
|
|
|
FontEntityAtom fnt = new FontEntityAtom();
|
|
fnt.setFontIndex(fonts.size() << 4);
|
|
fnt.setFontName(name);
|
|
fonts.add(name);
|
|
|
|
// append new child to the end
|
|
_children = appendChildRecord(fnt,_children);
|
|
|
|
return fonts.size()-1; //the added font is the last in the list
|
|
}
|
|
|
|
}
|