using System;
using System.IO;
using System.util;
using iTextSharp.text;
using iTextSharp.text.rtf;
using iTextSharp.text.rtf.document;
/*
* $Id: RtfFont.cs,v 1.10 2007/05/26 20:44:50 psoares33 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/
*/
namespace iTextSharp.text.rtf.style {
/**
* 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.
* BaseFont fontname handling contributed by Craig Fleming. Various fixes
* Renaud Michel, Werner Daehn.
*
* Version: $Id: RtfFont.cs,v 1.10 2007/05/26 20:44:50 psoares33 Exp $
* @author Mark Hall (mhall@edu.uni-klu.ac.at)
* @author Craig Fleming (rythos@rhana.dhs.org)
* @author Renaud Michel (r.michel@immedia.be)
* @author Werner Daehn (Werner.Daehn@BusinessObjects.com)
* @author Lidong Liu (tmslld@gmail.com)
*/
public class RtfFont : Font, IRtfExtendedElement {
/**
* Constant for the font family to use ("froman")
*/
private static byte[] FONT_FAMILY = DocWriter.GetISOBytes("\\froman");
/**
* Constant for the charset
*/
private static byte[] FONT_CHARSET = DocWriter.GetISOBytes("\\fcharset");
/**
* Constant for the font size
*/
public static byte[] FONT_SIZE = DocWriter.GetISOBytes("\\fs");
/**
* Constant for the bold flag
*/
private static byte[] FONT_BOLD = DocWriter.GetISOBytes("\\b");
/**
* Constant for the italic flag
*/
private static byte[] FONT_ITALIC = DocWriter.GetISOBytes("\\i");
/**
* Constant for the underline flag
*/
private static byte[] FONT_UNDERLINE = DocWriter.GetISOBytes("\\ul");
/**
* Constant for the strikethrough flag
*/
private static byte[] FONT_STRIKETHROUGH = DocWriter.GetISOBytes("\\strike");
/**
* Constant for the double strikethrough flag
*/
private static byte[] FONT_DOUBLE_STRIKETHROUGH = DocWriter.GetISOBytes("\\striked");
/**
* Constant for the shadow flag
*/
private static byte[] FONT_SHADOW = DocWriter.GetISOBytes("\\shad");
/**
* Constant for the outline flag
*/
private static byte[] FONT_OUTLINE = DocWriter.GetISOBytes("\\outl");
/**
* Constant for the embossed flag
*/
private static byte[] FONT_EMBOSSED = DocWriter.GetISOBytes("\\embo");
/**
* Constant for the engraved flag
*/
private static byte[] FONT_ENGRAVED = DocWriter.GetISOBytes("\\impr");
/**
* Constant for hidden text flag
*/
private static byte[] FONT_HIDDEN = DocWriter.GetISOBytes("\\v");
/**
* Constant for a plain font
*/
public const int STYLE_NONE = 0;
/**
* Constant for a bold font
*/
public const int STYLE_BOLD = 1;
/**
* Constant for an italic font
*/
public const int STYLE_ITALIC = 2;
/**
* Constant for an underlined font
*/
public const int STYLE_UNDERLINE = 4;
/**
* Constant for a strikethrough font
*/
public const int STYLE_STRIKETHROUGH = 8;
/**
* Constant for a double strikethrough font
*/
public const int STYLE_DOUBLE_STRIKETHROUGH = 16;
/**
* Constant for a shadowed font
*/
public const int STYLE_SHADOW = 32;
/**
* Constant for an outlined font
*/
public const int STYLE_OUTLINE = 64;
/**
* Constant for an embossed font
*/
public const int STYLE_EMBOSSED = 128;
/**
* Constant for an engraved font
*/
public const int STYLE_ENGRAVED = 256;
/**
* Constant for a font that hides the actual text.
*/
public const int STYLE_HIDDEN = 512;
/**
* 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 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.
*/
protected 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) : base(Font.UNDEFINED, Font.UNDEFINED, Font.UNDEFINED, null) {
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) : base(Font.UNDEFINED, size, Font.UNDEFINED, null) {
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) : base(Font.UNDEFINED, size, style, null) {
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) : base(Font.UNDEFINED, size, style, color) {
this.fontName = fontName;
}
/**
* Constructs a RtfFont with the given font name, font size, font style, colour
* and charset. This can be used when generating non latin-1 text.
*
* @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
* @param charset The charset of the font content
*/
public RtfFont(String fontName, float size, int style, Color color, int charset) : this(fontName, size, style, color){
this.charset = charset;
}
/**
* Special constructor for the default font
*
* @param doc The RtfDocument this font appears in
* @param fontNumber The id of this font
*/
protected internal 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
*/
public RtfFont(RtfDocument doc, Font font) {
this.document = doc;
if (font != null) {
if (font is RtfFont) {
this.fontName = ((RtfFont) font).GetFontName();
this.charset = ((RtfFont) font).GetCharset();
} else {
SetToDefaultFamily(font.Familyname);
}
if (font.BaseFont != null) {
String[][] fontNames = font.BaseFont.FullFontName;
for (int i = 0; i < fontNames.Length; i++) {
if (fontNames[i][2].Equals("0")) {
this.fontName = fontNames[i][3];
break;
} else if (fontNames[i][2].Equals("1033") || fontNames[i][2].Equals("")) {
this.fontName = fontNames[i][3];
}
}
}
Size = font.Size;
SetStyle(font.Style);
Color = font.Color;
}
if (Util.EqualsIgnoreCase(this.fontName, "unknown")) {
return;
}
if (document != null) {
SetRtfDocument(document);
}
}
/**
* Writes the font definition
*
* @return A byte array with the font definition
*/
public virtual byte[] WriteDefinition() {
MemoryStream result = new MemoryStream();
try {
WriteDefinition(result);
} catch(IOException) {
}
return result.ToArray();
}
/**
* Writes the font definition
*/
public virtual void WriteDefinition(Stream result) {
byte[] t;
result.Write(FONT_FAMILY, 0, FONT_FAMILY.Length);
result.Write(FONT_CHARSET, 0, FONT_CHARSET.Length);
result.Write(t = IntToByteArray(charset), 0, t.Length);
result.Write(RtfElement.DELIMITER, 0, RtfElement.DELIMITER.Length);
document.FilterSpecialChar(result, fontName, true, false);
}
/**
* Writes the font beginning
*
* @return A byte array with the font start data
*/
public virtual byte[] WriteBegin() {
MemoryStream result = new MemoryStream();
byte[] t;
try {
if(this.fontNumber != Font.UNDEFINED) {
result.Write(RtfFontList.FONT_NUMBER, 0, RtfFontList.FONT_NUMBER.Length);
result.Write(t = IntToByteArray(fontNumber), 0, t.Length);
}
if(this.fontSize != Font.UNDEFINED) {
result.Write(FONT_SIZE, 0, FONT_SIZE.Length);
result.Write(t = IntToByteArray(fontSize * 2), 0, t.Length);
}
if (this.fontStyle != UNDEFINED) {
if ((fontStyle & STYLE_BOLD) == STYLE_BOLD) {
result.Write(FONT_BOLD, 0, FONT_BOLD.Length);
}
if ((fontStyle & STYLE_ITALIC) == STYLE_ITALIC) {
result.Write(FONT_ITALIC, 0, FONT_ITALIC.Length);
}
if ((fontStyle & STYLE_UNDERLINE) == STYLE_UNDERLINE) {
result.Write(FONT_UNDERLINE, 0, FONT_UNDERLINE.Length);
}
if ((fontStyle & STYLE_STRIKETHROUGH) == STYLE_STRIKETHROUGH) {
result.Write(FONT_STRIKETHROUGH, 0, FONT_STRIKETHROUGH.Length);
}
if ((fontStyle & STYLE_HIDDEN) == STYLE_HIDDEN) {
result.Write(FONT_HIDDEN, 0, FONT_HIDDEN.Length);
}
if ((fontStyle & STYLE_DOUBLE_STRIKETHROUGH) == STYLE_DOUBLE_STRIKETHROUGH) {
result.Write(FONT_DOUBLE_STRIKETHROUGH, 0, FONT_DOUBLE_STRIKETHROUGH.Length);
result.Write(t = IntToByteArray(1), 0, t.Length);
}
if ((fontStyle & STYLE_SHADOW) == STYLE_SHADOW) {
result.Write(FONT_SHADOW, 0, FONT_SHADOW.Length);
}
if ((fontStyle & STYLE_OUTLINE) == STYLE_OUTLINE) {
result.Write(FONT_OUTLINE, 0, FONT_OUTLINE.Length);
}
if ((fontStyle & STYLE_EMBOSSED) == STYLE_EMBOSSED) {
result.Write(FONT_EMBOSSED, 0, FONT_EMBOSSED.Length);
}
if ((fontStyle & STYLE_ENGRAVED) == STYLE_ENGRAVED) {
result.Write(FONT_ENGRAVED, 0, FONT_ENGRAVED.Length);
}
}
if(color != null) {
result.Write(t = color.WriteBegin(), 0, t.Length);
}
} catch (IOException) {
}
return result.ToArray();
}
/**
* Write the font end
*
* @return A byte array with the end of font data
*/
public virtual byte[] WriteEnd() {
MemoryStream result = new MemoryStream();
byte[] t;
try {
if (this.fontStyle != UNDEFINED) {
if ((fontStyle & STYLE_BOLD) == STYLE_BOLD) {
result.Write(FONT_BOLD, 0, FONT_BOLD.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_ITALIC) == STYLE_ITALIC) {
result.Write(FONT_ITALIC, 0, FONT_ITALIC.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_UNDERLINE) == STYLE_UNDERLINE) {
result.Write(FONT_UNDERLINE, 0, FONT_UNDERLINE.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_STRIKETHROUGH) == STYLE_STRIKETHROUGH) {
result.Write(FONT_STRIKETHROUGH, 0, FONT_STRIKETHROUGH.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_HIDDEN) == STYLE_HIDDEN) {
result.Write(FONT_HIDDEN, 0, FONT_HIDDEN.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_DOUBLE_STRIKETHROUGH) == STYLE_DOUBLE_STRIKETHROUGH) {
result.Write(FONT_DOUBLE_STRIKETHROUGH, 0, FONT_DOUBLE_STRIKETHROUGH.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_SHADOW) == STYLE_SHADOW) {
result.Write(FONT_SHADOW, 0, FONT_SHADOW.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_OUTLINE) == STYLE_OUTLINE) {
result.Write(FONT_OUTLINE, 0, FONT_OUTLINE.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_EMBOSSED) == STYLE_EMBOSSED) {
result.Write(FONT_EMBOSSED, 0, FONT_EMBOSSED.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
if ((fontStyle & STYLE_ENGRAVED) == STYLE_ENGRAVED) {
result.Write(FONT_ENGRAVED, 0, FONT_ENGRAVED.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
}
}
} catch (IOException) {
}
return result.ToArray();
}
/**
* Unused
* @return an empty byte array
*/
public virtual byte[] Write() {
return new byte[0];
}
/**
* unused
*/
public virtual void WriteContent(Stream outp) {
}
/**
* 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 <code>True</code> if the RtfFonts are equal, <code>false</code> otherwise
*/
public override bool Equals(Object obj) {
if (!(obj is RtfFont)) {
return false;
}
RtfFont font = (RtfFont) obj;
bool result = true;
result = result & this.fontName.Equals(font.GetFontName());
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 override int GetHashCode() {
return (this.fontName + this.fontSize + "-" + this.fontStyle).GetHashCode();
}
/**
* Gets the font name of this RtfFont
*
* @return The font name
*/
public String GetFontName() {
return this.fontName;
}
/**
* Sets the font name of this RtfFont.
*
* @param fontName The font name to use
*/
public virtual void SetFontName(String fontName) {
this.fontName = fontName;
if(document != null) {
this.fontNumber = document.GetDocumentHeader().GetFontNumber(this);
}
}
/**
* @see com.lowagie.text.Font#getFamilyname()
*/
public override String Familyname {
get {
return this.fontName;
}
}
/**
* @see com.lowagie.text.Font#setFamily(String)
*/
public override void SetFamily(String family){
base.SetFamily(family);
SetToDefaultFamily(family);
}
/**
* Sets the correct font name from the family name.
*
* @param familyname The family name to set the name to.
*/
private void SetToDefaultFamily(String familyname){
switch (Font.GetFamilyIndex(familyname)) {
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 = familyname;
break;
}
}
/**
* Gets the font size of this RtfFont
*
* @return The font size
*/
public int GetFontSize() {
return this.fontSize;
}
/**
* @see com.lowagie.text.Font#setSize(float)
*/
public override float Size {
set {
base.Size = value;
this.fontSize = (int)Size;
}
}
/**
* Gets the font style of this RtfFont
*
* @return The font style
*/
public int GetFontStyle() {
return this.fontStyle;
}
/**
* @see com.lowagie.text.Font#setStyle(int)
*/
public override void SetStyle(int style){
base.SetStyle(style);
this.fontStyle = Style;
}
/**
* @see com.lowagie.text.Font#setStyle(String)
*/
public override void SetStyle(String style) {
base.SetStyle(style);
fontStyle = Style;
}
/**
* Gets the charset used for constructing this RtfFont.
*
* @return The charset of this RtfFont.
*/
public int GetCharset() {
return charset;
}
/**
* Sets the charset used for constructing this RtfFont.
*
* @param charset The charset to use.
*/
public void SetCharset(int charset) {
this.charset = charset;
}
/**
* Gets the font number of this RtfFont
*
* @return The font number
*/
public int GetFontNumber() {
return fontNumber;
}
/**
* 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);
}
if (this.color != null) {
this.color.SetRtfDocument(this.document);
}
}
/**
* Unused
* @param inTable
*/
public void SetInTable(bool inTable) {
}
/**
* Unused
* @param inHeader
*/
public void SetInHeader(bool inHeader) {
}
/**
* @see com.lowagie.text.Font#setColor(Color)
*/
public override Color Color {
set {
base.Color = value;
if(value != null) {
this.color = new RtfColor(document, value);
} else {
this.color = null;
}
}
}
/**
* @see com.lowagie.text.Font#setColor(int, int, int)
*/
public override void SetColor(int red, int green, int blue) {
base.SetColor(red,green,blue);
this.color = new RtfColor(document, red, green, blue);
}
/**
* 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
*/
protected byte[] IntToByteArray(int i) {
return DocWriter.GetISOBytes(i.ToString());
}
/**
* Replaces the attributes that are equal to <VAR>null</VAR> with
* the attributes of a given font.
*
* @param font The surrounding font
* @return A RtfFont
*/
public override Font Difference(Font font) {
String dFamilyname = font.Familyname;
if (dFamilyname == null || dFamilyname.Trim().Equals("") || Util.EqualsIgnoreCase(dFamilyname.Trim(), "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;
}
int dCharset = this.charset;
if(font is RtfFont) {
dCharset = ((RtfFont)font).GetCharset();
}
return new RtfFont(dFamilyname, dSize, dStyle, dColor, dCharset);
}
}
}
Submit an article or tip