--- /dev/null
+/* ====================================================================
+ 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
+ }
+
+}
--- /dev/null
+
+/* ====================================================================
+ 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 org.apache.poi.util.StringUtil;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+
+/**
+ * This atom corresponds exactly to a Windows Logical Font (LOGFONT) structure.
+ * It keeps all the information needed to define the attributes of a font,
+ * such as height, width, etc. For more information, consult the
+ * Windows API Programmer's reference.
+ *
+ * @author Yegor Kozlov
+ */
+
+public class FontEntityAtom extends RecordAtom {
+ /**
+ * record header
+ */
+ private byte[] _header;
+
+ /**
+ * record data
+ */
+ private byte[] _recdata;
+
+ /**
+ * Build an instance of <code>FontEntityAtom</code> from on-disk data
+ */
+ protected FontEntityAtom(byte[] source, int start, int len) {
+ // Get the header
+ _header = new byte[8];
+ System.arraycopy(source,start,_header,0,8);
+
+ // Grab the record data
+ _recdata = new byte[len-8];
+ System.arraycopy(source,start+8,_recdata,0,len-8);
+ }
+
+ /**
+ * Create a new instance of <code>FontEntityAtom</code>
+ */
+ protected FontEntityAtom() {
+ _recdata = new byte[68];
+
+ _header = new byte[8];
+ LittleEndian.putShort(_header, 2, (short)getRecordType());
+ LittleEndian.putInt(_header, 4, _recdata.length);
+ }
+
+ public long getRecordType() {
+ return RecordTypes.FontEntityAtom.typeID;
+ }
+
+ /**
+ * A null-terminated string that specifies the typeface name of the font.
+ * The length of this string must not exceed 32 characters
+ * including the null terminator.
+ * @return font name
+ */
+ public String getFontName(){
+ String name = null;
+ try {
+ int i = 0;
+ while(i < 64){
+ //loop until find null-terminated end of the font name
+ if(_recdata[i] == 0 && _recdata[i + 1] == 0) {
+ name = new String(_recdata, 0, i, "UTF-16LE");
+ break;
+ }
+ i += 2;
+ }
+ } catch (UnsupportedEncodingException e){
+ throw new RuntimeException(e.getMessage(), e);
+ }
+ return name;
+ }
+
+ /**
+ * Set the name of the font.
+ * The length of this string must not exceed 32 characters
+ * including the null terminator.
+ * Will be converted to null-terminated if not already
+ * @param name of the font
+ */
+ public void setFontName(String name){
+ // Add a null termination if required
+ if(! name.endsWith("\000")) {
+ name = name + "\000";
+ }
+
+ // Ensure it's not now too long
+ if(name.length() > 32) {
+ throw new RuntimeException("The length of the font name, including null termination, must not exceed 32 characters");
+ }
+
+ // Everything's happy, so save the name
+ try {
+ byte[] bytes = name.getBytes("UTF-16LE");
+ System.arraycopy(bytes, 0, _recdata, 0, bytes.length);
+ } catch (UnsupportedEncodingException e){
+ throw new RuntimeException(e.getMessage(), e);
+ }
+ }
+
+ protected void setFontIndex(int idx){
+ LittleEndian.putShort(_header, 0, (short)idx);
+ }
+
+ protected int getFontIndex(){
+ return LittleEndian.getShort(_header, 0);
+ }
+
+ /**
+ * Write the contents of the record back, so it can be written to disk
+ */
+ public void writeOut(OutputStream out) throws IOException {
+ out.write(_header);
+ out.write(_recdata);
+ }
+}
public static final Type NamedShowSlides = new Type(1042,null);
public static final Type SheetProperties = new Type(1044,null);
public static final Type List = new Type(2000,null);
- public static final Type FontCollection = new Type(2005,null);
+ public static final Type FontCollection = new Type(2005,FontCollection.class);
public static final Type BookmarkCollection = new Type(2019,null);
public static final Type SoundCollAtom = new Type(2021,null);
public static final Type Sound = new Type(2022,null);
public static final Type TxSIStyleAtom = new Type(4009,null);
public static final Type TextSpecInfoAtom = new Type(4010,null);
public static final Type DefaultRulerAtom = new Type(4011,null);
- public static final Type FontEntityAtom = new Type(4023,null);
+ public static final Type FontEntityAtom = new Type(4023,FontEntityAtom.class);
public static final Type FontEmbeddedData = new Type(4024,null);
public static final Type CString = new Type(4026,null);
public static final Type MetaFile = new Type(4033,null);
projects / poi.git / commitdiff