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/*
* $Id: RtfFont.java,v 1.11 2004/12/25 10:18:11 hallm Exp $
* $Name: $
*
* Copyright 2001, 2002, 2003, 2004 by Mark Hall
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.rtf.style;
import com.lowagie.text.rtf.RtfExtendedElement;
import com.lowagie.text.rtf.document.RtfDocument;
import com.lowagie.text.Font;
import java.awt.Color;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/**
* The RtfFont class stores one font for an rtf document. It extends Font,
* so can be set as a font, to allow adding of fonts with arbitrary names.
*
* Version: $Id: RtfFont.java,v 1.11 2004/12/25 10:18:11 hallm Exp $
* @author Mark Hall ([email protected])
*/
public class RtfFont extends Font implements RtfExtendedElement {
/**
* Constant for the font family to use ("froman")
*/
private static final byte[] FONT_FAMILY = "\\froman".getBytes();
/**
* Constant for the charset
*/
private static final byte[] FONT_CHARSET = "\\fcharset".getBytes();
/**
* Constant for the font size
*/
public static final byte[] FONT_SIZE = "\\fs".getBytes();
/**
* Constant for the bold flag
*/
private static final byte[] FONT_BOLD = "\\b".getBytes();
/**
* Constant for the italic flag
*/
private static final byte[] FONT_ITALIC = "\\i".getBytes();
/**
* Constant for the underline flag
*/
private static final byte[] FONT_UNDERLINE = "\\ul".getBytes();
/**
* Constant for the strikethrough flag
*/
private static final byte[] FONT_STRIKETHROUGH = "\\strike".getBytes();
/**
* Constant for the subscript flag
*/
private static final byte[] FONT_SUBSCRIPT = "\\sub".getBytes();
/**
* Constant for the superscript flag
*/
private static final byte[] FONT_SUPERSCRIPT = "\\super".getBytes();
/**
* Constant for the end of sub / superscript flag
*/
private static final byte[] FONT_END_SUPER_SUBSCRIPT = "\\nosupersub".getBytes();
/**
* Constant for a plain font
*/
public static final int STYLE_NONE = 0;
/**
* Constant for an italic font
*/
public static final int STYLE_ITALIC = 1;
/**
* Constant for a bold font
*/
public static final int STYLE_BOLD = 2;
/**
* Constant for an underlined font
*/
public static final int STYLE_UNDERLINE = 4;
/**
* Constant for a strikethrough font
*/
public static final int STYLE_STRIKETHROUGH = 8;
/**
* The font name. Defaults to "Times New Roman"
*/
private String fontName = "Times New Roman";
/**
* The font size. Defaults to 10
*/
private int fontSize = 10;
/**
* The font style. Defaults to STYLE_NONE
*/
private int fontStyle = STYLE_NONE;
/**
* The number of this font
*/
private int fontNumber = 0;
/**
* The super / subscript of this font
*/
private float fontSuperSubscript = 0;
/**
* The colour of this font
*/
private RtfColor color = null;
/**
* The character set to use for this font
*/
private int charset = 0;
/**
* The RtfDocument this RtfFont belongs to;
*/
private RtfDocument document = null;
/**
* Constructs a RtfFont with the given font name and all other properties
* at their default values.
*
* @param fontName The font name to use
*/
public RtfFont(String fontName) {
super(Font.UNDEFINED, Font.DEFAULTSIZE, Font.NORMAL, new Color(0, 0, 0));
this.fontName = fontName;
}
/**
* Constructs a RtfFont with the given font name and font size and all other
* properties at their default values.
*
* @param fontName The font name to use
* @param size The font size to use
*/
public RtfFont(String fontName, float size) {
super(Font.UNDEFINED, size, Font.NORMAL, new Color(0, 0, 0));
this.fontName = fontName;
}
/**
* Constructs a RtfFont with the given font name, font size and font style and the
* default color.
*
* @param fontName The font name to use
* @param size The font size to use
* @param style The font style to use
*/
public RtfFont(String fontName, float size, int style) {
super(Font.UNDEFINED, size, style, new Color(0, 0, 0));
this.fontName = fontName;
}
/**
* Constructs a RtfFont with the given font name, font size, font style and
* color.
*
* @param fontName The font name to use
* @param size the font size to use
* @param style The font style to use
* @param color The font color to use
*/
public RtfFont(String fontName, float size, int style, Color color) {
super(Font.UNDEFINED, size, style, color);
this.fontName = fontName;
}
/**
* Special constructor for the default font
*
* @param doc The RtfDocument this font appears in
* @param fontNumber The id of this font
*/
protected RtfFont(RtfDocument doc, int fontNumber) {
this.document = doc;
this.fontNumber = fontNumber;
color = new RtfColor(doc, 0, 0, 0);
}
/**
* Constructs a RtfFont from a com.lowagie.text.Font
*
* @param doc The RtfDocument this font appears in
* @param font The Font to use as a base
* @param superSubScript a value for sub- or superscript
*/
public RtfFont(RtfDocument doc, Font font, float superSubScript) {
this.document = doc;
if(font instanceof RtfFont) {
this.fontName = ((RtfFont) font).getFontName();
} else {
switch (Font.getFamilyIndex(font.getFamilyname())) {
case Font.COURIER:
this.fontName = "Courier";
break;
case Font.HELVETICA:
this.fontName = "Arial";
break;
case Font.SYMBOL:
this.fontName = "Symbol";
this.charset = 2;
break;
case Font.TIMES_ROMAN:
this.fontName = "Times New Roman";
break;
case Font.ZAPFDINGBATS:
this.fontName = "Windings";
break;
default:
this.fontName = font.getFamilyname();
}
}
if(font.getFamilyname().equalsIgnoreCase("unknown")) {
color = new RtfColor(doc, 0, 0, 0);
return;
}
this.fontSize = (int)font.size();
if(font.isBold()) {
this.fontStyle = this.fontStyle | STYLE_BOLD;
}
if(font.isItalic()) {
this.fontStyle = this.fontStyle | STYLE_ITALIC;
}
if(font.isUnderlined()) {
this.fontStyle = this.fontStyle | STYLE_UNDERLINE;
}
if(font.isStrikethru()) {
this.fontStyle = this.fontStyle | STYLE_STRIKETHROUGH;
}
if(document != null) {
this.fontNumber = document.getDocumentHeader().getFontNumber(this);
}
color = new RtfColor(doc, font.color());
}
/**
* Writes the font definition
*
* @return A byte array with the font definition
*/
public byte[] writeDefinition() {
ByteArrayOutputStream result = new ByteArrayOutputStream();
try {
result.write(FONT_FAMILY);
result.write(FONT_CHARSET);
result.write(intToByteArray(charset));
result.write(DELIMITER);
result.write(document.filterSpecialChar(fontName, true, false).getBytes());
} catch(IOException ioe) {
ioe.printStackTrace();
}
return result.toByteArray();
}
/**
* Writes the font beginning
*
* @return A byte array with the font start data
*/
public byte[] writeBegin() {
ByteArrayOutputStream result = new ByteArrayOutputStream();
try {
result.write(RtfFontList.FONT_NUMBER);
result.write(intToByteArray(fontNumber));
result.write(FONT_SIZE);
result.write(intToByteArray(fontSize * 2));
if((fontStyle & STYLE_BOLD) == STYLE_BOLD) {
result.write(FONT_BOLD);
}
if((fontStyle & STYLE_ITALIC) == STYLE_ITALIC) {
result.write(FONT_ITALIC);
}
if((fontStyle & STYLE_UNDERLINE) == STYLE_UNDERLINE) {
result.write(FONT_UNDERLINE);
}
if((fontStyle & STYLE_STRIKETHROUGH) == STYLE_STRIKETHROUGH) {
result.write(FONT_STRIKETHROUGH);
}
if(fontSuperSubscript < 0) {
result.write(FONT_SUBSCRIPT);
} else if(fontSuperSubscript > 0) {
result.write(FONT_SUPERSCRIPT);
}
result.write(color.writeBegin());
} catch(IOException ioe) {
ioe.printStackTrace();
}
return result.toByteArray();
}
/**
* Write the font end
*
* @return A byte array with the end of font data
*/
public byte[] writeEnd() {
ByteArrayOutputStream result = new ByteArrayOutputStream();
try {
if((fontStyle & STYLE_BOLD) == STYLE_BOLD) {
result.write(FONT_BOLD);
result.write(intToByteArray(0));
}
if((fontStyle & STYLE_ITALIC) == STYLE_ITALIC) {
result.write(FONT_ITALIC);
result.write(intToByteArray(0));
}
if((fontStyle & STYLE_UNDERLINE) == STYLE_UNDERLINE) {
result.write(FONT_UNDERLINE);
result.write(intToByteArray(0));
}
if((fontStyle & STYLE_STRIKETHROUGH) == STYLE_STRIKETHROUGH) {
result.write(FONT_STRIKETHROUGH);
result.write(intToByteArray(0));
}
if(fontSuperSubscript != 0) {
result.write(FONT_END_SUPER_SUBSCRIPT);
}
} catch(IOException ioe) {
ioe.printStackTrace();
}
return result.toByteArray();
}
/**
* Unused
* @return an empty byte array
*/
public byte[] write() {
return new byte[0];
}
/**
* Tests for equality of RtfFonts. RtfFonts are equal if their fontName,
* fontSize, fontStyle and fontSuperSubscript are equal
*
* @param obj The RtfFont to compare with this RtfFont
* @return True if the RtfFonts are equal, false otherwise
*/
public boolean equals(Object obj) {
if(!(obj instanceof RtfFont)) {
return false;
}
RtfFont font = (RtfFont) obj;
boolean result = true;
result = result & this.fontName.equals(font.getFontName());
result = result & (this.fontSize == font.getFontSize());
result = result & (this.fontStyle == font.getFontStyle());
result = result & (this.fontSuperSubscript == font.getFontSuperSubscript());
return result;
}
/**
* Returns the hash code of this RtfFont. The hash code is the hash code of the
* string containing the font name + font size + "-" + the font style + "-" + the
* font super/supscript value.
*
* @return The hash code of this RtfFont
*/
public int hashCode() {
return (this.fontName + this.fontSize + "-" + this.fontStyle + "-" + this.fontSuperSubscript).hashCode();
}
/**
* Gets the font name of this RtfFont
*
* @return The font name
*/
public String getFontName() {
return this.fontName;
}
/**
* @see com.lowagie.text.Font#getFamilyname()
*/
public String getFamilyname() {
return this.fontName;
}
/**
* Gets the font size of this RtfFont
*
* @return The font size
*/
public int getFontSize() {
return fontSize;
}
/**
* Gets the font style of this RtfFont
*
* @return The font style
*/
public int getFontStyle() {
return fontStyle;
}
/**
* Gets the font number of this RtfFont
*
* @return The font number
*/
public int getFontNumber() {
return fontNumber;
}
/**
* Gets the font sub / superscript value
*
* @return The sub / superscript value
*/
public float getFontSuperSubscript() {
return fontSuperSubscript;
}
/**
* Sets the RtfDocument this RtfFont belongs to
*
* @param doc The RtfDocument to use
*/
public void setRtfDocument(RtfDocument doc) {
this.document = doc;
if(document != null) {
this.fontNumber = document.getDocumentHeader().getFontNumber(this);
}
this.color.setRtfDocument(this.document);
}
/**
* Unused
* @param inTable
*/
public void setInTable(boolean inTable) {
}
/**
* Unused
* @param inHeader
*/
public void setInHeader(boolean inHeader) {
}
/**
* Transforms an integer into its String representation and then returns the bytes
* of that string.
*
* @param i The integer to convert
* @return A byte array representing the integer
*/
private byte[] intToByteArray(int i) {
return Integer.toString(i).getBytes();
}
/**
* Replaces the attributes that are equal to null with
* the attributes of a given font.
*
* @param font The surrounding font
* @return A RtfFont
*/
public Font difference(Font font) {
String dFamilyname = font.getFamilyname();
if(dFamilyname == null || dFamilyname.trim().equals("") || dFamilyname.trim().equalsIgnoreCase("unknown")) {
dFamilyname = this.fontName;
}
float dSize = font.size();
if(dSize == Font.UNDEFINED) {
dSize = this.size();
}
int dStyle = Font.UNDEFINED;
if(this.style() != Font.UNDEFINED && font.style() != Font.UNDEFINED) {
dStyle = this.style() | font.style();
} else if(this.style() != Font.UNDEFINED) {
dStyle = this.style();
} else if(font.style() != Font.UNDEFINED) {
dStyle = font.style();
}
Color dColor = font.color();
if(dColor == null) {
dColor = this.color();
}
return new RtfFont(dFamilyname, dSize, dStyle, dColor);
}
}
