Read only support for paragraph styling, and the stylings of the text within it
git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353755 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch
parent
165eef331f
commit
eb130ea42a
@ -82,7 +82,7 @@ public class RecordTypes {
|
||||
public static final Type OutlineTextRefAtom = new Type(3998,null);
|
||||
public static final Type TextHeaderAtom = new Type(3999,TextHeaderAtom.class);
|
||||
public static final Type TextCharsAtom = new Type(4000,TextCharsAtom.class);
|
||||
public static final Type StyleTextPropAtom = new Type(4001,null);
|
||||
public static final Type StyleTextPropAtom = new Type(4001,StyleTextPropAtom.class);
|
||||
public static final Type BaseTextPropAtom = new Type(4002,null);
|
||||
public static final Type TxMasterStyleAtom = new Type(4003,null);
|
||||
public static final Type TxCFStyleAtom = new Type(4004,null);
|
||||
|
||||
@ -0,0 +1,212 @@
|
||||
|
||||
/* ====================================================================
|
||||
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.IOException;
|
||||
import java.io.OutputStream;
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.util.Vector;
|
||||
|
||||
/**
|
||||
* A StyleTextPropAtom (type 4001). Holds character properties (font type,
|
||||
* font size, colour, bold, italic etc) and paragraph properties
|
||||
* (alignment, line spacing etc) for a block of text
|
||||
*
|
||||
* @author Nick Burch
|
||||
*/
|
||||
|
||||
public class StyleTextPropAtom extends RecordAtom
|
||||
{
|
||||
private byte[] _header;
|
||||
private static long _type = 4001l;
|
||||
private byte[] reserved;
|
||||
|
||||
private short paraStyleLen;
|
||||
private int paraStyle1;
|
||||
private int paraStyle2;
|
||||
|
||||
private CharacterStyle[] charStyles;
|
||||
|
||||
|
||||
/** Get the number of characters covered by these text styles */
|
||||
public int getParagraphStyleCharactersCoveredLength() {
|
||||
return paraStyleLen;
|
||||
}
|
||||
|
||||
/** Get the individual character stylings for this paragraph */
|
||||
public CharacterStyle[] getCharacterStyles() {
|
||||
return charStyles;
|
||||
}
|
||||
|
||||
|
||||
/* *************** record code follows ********************** */
|
||||
|
||||
/**
|
||||
* For the Text Style Properties (StyleTextProp) Atom
|
||||
*/
|
||||
protected StyleTextPropAtom(byte[] source, int start, int len) {
|
||||
// Sanity Checking - we're always at least 8+10 bytes long
|
||||
if(len < 18) {
|
||||
len = 18;
|
||||
if(source.length - start < 18) {
|
||||
throw new RuntimeException("Not enough data to form a StyleTextPropAtom (min size 18 bytes long) - found " + (source.length - start));
|
||||
}
|
||||
}
|
||||
|
||||
// Get the header
|
||||
_header = new byte[8];
|
||||
System.arraycopy(source,start,_header,0,8);
|
||||
|
||||
// Grab the paragraph style stuff
|
||||
paraStyleLen = (short)LittleEndian.getShort(source,start+8+0);
|
||||
paraStyle1 = (int)LittleEndian.getInt(source,start+8+2);
|
||||
paraStyle2 = (int)LittleEndian.getInt(source,start+8+6);
|
||||
|
||||
// While we have the data, grab the character styles
|
||||
Vector cp = new Vector();
|
||||
int cpos = 0;
|
||||
while(cpos <= len-8-10-8) { // Min size is 8, then 8+10 in
|
||||
CharacterStyle cs;
|
||||
|
||||
short clen = LittleEndian.getShort(source,start+8+10+cpos);
|
||||
cpos += 2;
|
||||
int s1 = (int)LittleEndian.getInt(source,start+8+10+cpos);
|
||||
cpos += 4;
|
||||
if(s1 == 0) {
|
||||
short s3 = LittleEndian.getShort(source,start+8+10+cpos);
|
||||
cpos += 2;
|
||||
cs = new CharacterStyle(clen,s1,0,s3);
|
||||
} else {
|
||||
int s2 = (int)LittleEndian.getInt(source,start+8+10+cpos);
|
||||
cpos += 4;
|
||||
cs = new CharacterStyle(clen,s1,s2,(short)0);
|
||||
}
|
||||
cp.add(cs);
|
||||
}
|
||||
charStyles = new CharacterStyle[cp.size()];
|
||||
for(int i=0; i<charStyles.length; i++) {
|
||||
charStyles[i] = (CharacterStyle)cp.get(i);
|
||||
}
|
||||
|
||||
// Chuck anything that doesn't fit somewhere for safe keeping
|
||||
reserved = new byte[len-8-10-cpos];
|
||||
System.arraycopy(source,start+8+10+cpos,reserved,0,reserved.length);
|
||||
}
|
||||
|
||||
/**
|
||||
* We are of type 4001
|
||||
*/
|
||||
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 {
|
||||
// Grab the size of the character styles
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
for(int i=0; i<charStyles.length; i++) {
|
||||
charStyles[i].writeOut(baos);
|
||||
}
|
||||
|
||||
// Figure out the new size
|
||||
// Para->10 + Chars + Reserved
|
||||
int newSize = 10 + baos.size() + reserved.length;
|
||||
// Update the size (header bytes 5-8)
|
||||
LittleEndian.putInt(_header,4,newSize);
|
||||
|
||||
|
||||
// Write out the (new) header
|
||||
out.write(_header);
|
||||
|
||||
// Write out the paragraph bits
|
||||
writeLittleEndian(paraStyleLen,out);
|
||||
writeLittleEndian(paraStyle1,out);
|
||||
writeLittleEndian(paraStyle2,out);
|
||||
|
||||
// Write out the character bits
|
||||
out.write(baos.toByteArray());
|
||||
|
||||
// Write out any extra bits
|
||||
out.write(reserved);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Class to handle character styles
|
||||
*/
|
||||
public static class CharacterStyle {
|
||||
private short styleLen;
|
||||
private int style1;
|
||||
private int style2;
|
||||
private short style3;
|
||||
|
||||
/** Create a new Character Style from on-disk data */
|
||||
protected CharacterStyle(short len, int s1, int s2, short s3) {
|
||||
styleLen = len;
|
||||
style1 = s1;
|
||||
style2 = s2;
|
||||
style3 = s3;
|
||||
}
|
||||
|
||||
/** Create a new Character Style for text without one */
|
||||
protected CharacterStyle() {
|
||||
new CharacterStyle((short)0,0,0,(short)0);
|
||||
}
|
||||
|
||||
/** Write the character style out */
|
||||
protected void writeOut(OutputStream out) throws IOException {
|
||||
writeLittleEndian(styleLen,out);
|
||||
writeLittleEndian(style1,out);
|
||||
if(style1 == 0) {
|
||||
writeLittleEndian(style3,out);
|
||||
} else {
|
||||
writeLittleEndian(style2,out);
|
||||
}
|
||||
}
|
||||
|
||||
/** Return the number of characters covered by these properties */
|
||||
public int getCharactersCoveredLength() {
|
||||
return styleLen;
|
||||
}
|
||||
|
||||
/** Checks to see if the text is bold */
|
||||
public boolean isBold() {
|
||||
// style1 0x00010000
|
||||
if ((style1 & 65536) == 65536) { return true; }
|
||||
return false;
|
||||
}
|
||||
|
||||
/** Checks to see if the text is italic */
|
||||
public boolean isItalic() {
|
||||
// style1 0x00020000
|
||||
if ((style1 & 131072) == 131072) { return true; }
|
||||
return false;
|
||||
}
|
||||
|
||||
/** Checks to see if the text is underlined */
|
||||
public boolean isUnderlined() {
|
||||
// style1 0x00040000
|
||||
if ((style1 & 262144) == 262144) { return true; }
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user