/* * $Id: Font.java,v 1.94 2005/10/05 14:16:04 blowagie Exp $ * $Name: $ * * Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie. * * 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; import java.awt.Color; import com.lowagie.text.pdf.BaseFont; import com.lowagie.text.markup.MarkupTags; /** * Contains all the specifications of a font: fontfamily, size, style and color. *

* Example:

* *
 * 
 * Paragraph p = new Paragraph("This is a paragraph", new
 * Font(Font.HELVETICA, 18, Font.BOLDITALIC, new Color(0, 0, 255)) );
 * 
 * 
* *
*/ public class Font implements Comparable { // static membervariables for the different families /** a possible value of a font family. */ public static final int COURIER = 0; /** a possible value of a font family. */ public static final int HELVETICA = 1; /** a possible value of a font family. */ public static final int TIMES_ROMAN = 2; /** a possible value of a font family. */ public static final int SYMBOL = 3; /** a possible value of a font family. */ public static final int ZAPFDINGBATS = 4; // static membervariables for the different styles /** this is a possible style. */ public static final int NORMAL = 0; /** this is a possible style. */ public static final int BOLD = 1; /** this is a possible style. */ public static final int ITALIC = 2; /** this is a possible style. */ public static final int UNDERLINE = 4; /** this is a possible style. */ public static final int STRIKETHRU = 8; /** this is a possible style. */ public static final int BOLDITALIC = BOLD | ITALIC; // static membervariables /** the value of an undefined attribute. */ public static final int UNDEFINED = -1; /** the value of the default size. */ public static final int DEFAULTSIZE = 12; // membervariables /** the value of the fontfamily. */ private int family = UNDEFINED; /** the value of the fontsize. */ private float size = UNDEFINED; /** the value of the style. */ private int style = UNDEFINED; /** the value of the color. */ private Color color = null; /** the external font */ private BaseFont baseFont = null; // constructors /** * Copy constructor of a Font * * @param other * the font that has to be copied */ public Font(Font other) { this.color = other.color; this.family = other.family; this.size = other.size; this.style = other.style; this.baseFont = other.baseFont; } /** * Constructs a Font. * * @param family * the family to which this font belongs * @param size * the size of this font * @param style * the style of this font * @param color * the Color of this font. */ public Font(int family, float size, int style, Color color) { this.family = family; this.size = size; this.style = style; this.color = color; } /** * Constructs a Font. * * @param bf * the external font * @param size * the size of this font * @param style * the style of this font * @param color * the Color of this font. */ public Font(BaseFont bf, float size, int style, Color color) { this.baseFont = bf; this.size = size; this.style = style; this.color = color; } /** * Constructs a Font. * * @param bf * the external font * @param size * the size of this font * @param style * the style of this font */ public Font(BaseFont bf, float size, int style) { this(bf, size, style, null); } /** * Constructs a Font. * * @param bf * the external font * @param size * the size of this font */ public Font(BaseFont bf, float size) { this(bf, size, UNDEFINED, null); } /** * Constructs a Font. * * @param bf * the external font */ public Font(BaseFont bf) { this(bf, UNDEFINED, UNDEFINED, null); } /** * Constructs a Font. * * @param family * the family to which this font belongs * @param size * the size of this font * @param style * the style of this font */ public Font(int family, float size, int style) { this(family, size, style, null); } /** * Constructs a Font. * * @param family * the family to which this font belongs * @param size * the size of this font */ public Font(int family, float size) { this(family, size, UNDEFINED, null); } /** * Constructs a Font. * * @param family * the family to which this font belongs */ public Font(int family) { this(family, UNDEFINED, UNDEFINED, null); } /** * Constructs a Font. */ public Font() { this(UNDEFINED, UNDEFINED, UNDEFINED, null); } // implementation of the Comparable interface /** * Compares this Font with another * * @param object * the other Font * @return a value */ public int compareTo(Object object) { if (object == null) { return -1; } Font font; try { font = (Font) object; if (baseFont != null && !baseFont.equals(font.getBaseFont())) { return -2; } if (this.family != font.family()) { return 1; } if (this.size != font.size()) { return 2; } if (this.style != font.style()) { return 3; } if (this.color == null) { if (font.color == null) { return 0; } return 4; } if (font.color == null) { return 4; } if (this.color.equals(font.color())) { return 0; } return 4; } catch (ClassCastException cce) { return -3; } } // methods /** * Sets the family using a String ("Courier", "Helvetica", * "Times New Roman", "Symbol" or "ZapfDingbats"). * * @param family * A String representing a certain font-family. */ public void setFamily(String family) { this.family = getFamilyIndex(family); } /** * Translates a String -value of a certain family into the * index that is used for this family in this class. * * @param family * A String representing a certain font-family * @return the corresponding index */ public static int getFamilyIndex(String family) { if (family.equalsIgnoreCase(FontFactory.COURIER)) { return COURIER; } if (family.equalsIgnoreCase(FontFactory.HELVETICA)) { return HELVETICA; } if (family.equalsIgnoreCase(FontFactory.TIMES_ROMAN)) { return TIMES_ROMAN; } if (family.equalsIgnoreCase(FontFactory.SYMBOL)) { return SYMBOL; } if (family.equalsIgnoreCase(FontFactory.ZAPFDINGBATS)) { return ZAPFDINGBATS; } return UNDEFINED; } /** * Gets the familyname as a String. * * @return the familyname */ public String getFamilyname() { String tmp = "unknown"; switch (family()) { case Font.COURIER: return FontFactory.COURIER; case Font.HELVETICA: return FontFactory.HELVETICA; case Font.TIMES_ROMAN: return FontFactory.TIMES_ROMAN; case Font.SYMBOL: return FontFactory.SYMBOL; case Font.ZAPFDINGBATS: return FontFactory.ZAPFDINGBATS; default: if (baseFont != null) { String[][] names = baseFont.getFamilyFontName(); for (int i = 0; i < names.length; i++) { if ("0".equals(names[i][2])) { return names[i][3]; } if ("1033".equals(names[i][2])) { tmp = names[i][3]; } if ("".equals(names[i][2])) { tmp = names[i][3]; } } } } return tmp; } /** * Sets the size. * * @param size * The new size of the font. */ public void setSize(float size) { this.size = size; } /** * Sets the style using a String containing one of more of * the following values: normal, bold, italic, underline, strike. * * @param style * A String representing a certain style. */ public void setStyle(String style) { if (this.style == UNDEFINED) this.style = NORMAL; this.style |= getStyleValue(style); } /** * Sets the style. * * @param style * the style. */ public void setStyle(int style) { if (this.style == UNDEFINED) this.style = NORMAL; this.style |= style; } /** * Translates a String -value of a certain style into the * index value is used for this style in this class. * * @param style * A String * @return the corresponding value */ public static int getStyleValue(String style) { int s = 0; if (style.indexOf(MarkupTags.CSS_VALUE_NORMAL) != -1) { s |= NORMAL; } if (style.indexOf(MarkupTags.CSS_VALUE_BOLD) != -1) { s |= BOLD; } if (style.indexOf(MarkupTags.CSS_VALUE_ITALIC) != -1) { s |= ITALIC; } if (style.indexOf(MarkupTags.CSS_VALUE_OBLIQUE) != -1) { s |= ITALIC; } if (style.indexOf(MarkupTags.CSS_VALUE_UNDERLINE) != -1) { s |= UNDERLINE; } if (style.indexOf(MarkupTags.CSS_VALUE_LINETHROUGH) != -1) { s |= STRIKETHRU; } return s; } /** * Sets the color. * * @param color * the new color of the font */ public void setColor(Color color) { this.color = color; } /** * Sets the color. * * @param red * the red-value of the new color * @param green * the green-value of the new color * @param blue * the blue-value of the new color */ public void setColor(int red, int green, int blue) { this.color = new Color(red, green, blue); } /** * Gets the leading that can be used with this font. * * @param linespacing * a certain linespacing * @return the height of a line */ public float leading(float linespacing) { if (size == UNDEFINED) { return linespacing * DEFAULTSIZE; } return linespacing * size; } /** * Checks if the properties of this font are undefined or null. *

* If so, the standard should be used. * * @return a boolean */ public boolean isStandardFont() { return (family == UNDEFINED && size == UNDEFINED && style == UNDEFINED && color == null && baseFont == null); } /** * Replaces the attributes that are equal to null with the * attributes of a given font. * * @param font * the font of a bigger element class * @return a Font */ public Font difference(Font font) { // size float dSize = font.size; if (dSize == UNDEFINED) { dSize = this.size; } // style int dStyle = UNDEFINED; int style1 = this.style; int style2 = font.style(); if (style1 != UNDEFINED || style2 != UNDEFINED) { if (style1 == UNDEFINED) style1 = 0; if (style2 == UNDEFINED) style2 = 0; dStyle = style1 | style2; } // color Color dColor = font.color; if (dColor == null) { dColor = this.color; } // family if (font.baseFont != null) { return new Font(font.baseFont, dSize, dStyle, dColor); } if (font.family() != UNDEFINED) { return new Font(font.family, dSize, dStyle, dColor); } if (this.baseFont != null) { if (dStyle == style1) { return new Font(this.baseFont, dSize, dStyle, dColor); } else { return FontFactory.getFont(this.getFamilyname(), dSize, dStyle, dColor); } } return new Font(this.family, dSize, dStyle, dColor); } // methods to retrieve the membervariables /** * Gets the family of this font. * * @return the value of the family */ public int family() { return family; } /** * Gets the size of this font. * * @return a size */ public float size() { return size; } /** * Gets the style of this font. * * @return a size */ public int style() { return style; } /** * checks if this font is Bold. * * @return a boolean */ public boolean isBold() { if (style == UNDEFINED) { return false; } return (style & BOLD) == BOLD; } /** * checks if this font is Bold. * * @return a boolean */ public boolean isItalic() { if (style == UNDEFINED) { return false; } return (style & ITALIC) == ITALIC; } /** * checks if this font is underlined. * * @return a boolean */ public boolean isUnderlined() { if (style == UNDEFINED) { return false; } return (style & UNDERLINE) == UNDERLINE; } /** * checks if the style of this font is STRIKETHRU. * * @return a boolean */ public boolean isStrikethru() { if (style == UNDEFINED) { return false; } return (style & STRIKETHRU) == STRIKETHRU; } /** * Gets the color of this font. * * @return a color */ public Color color() { return color; } /** * Gets the BaseFont inside this object. * * @return the BaseFont */ public BaseFont getBaseFont() { return baseFont; } /** * Gets the BaseFont this class represents. For the built-in * fonts a BaseFont is calculated. * * @param specialEncoding * true to use the special encoding for Symbol and * ZapfDingbats, false to always use Cp1252 * * @return the BaseFont this class represents */ public BaseFont getCalculatedBaseFont(boolean specialEncoding) { if (baseFont != null) return baseFont; int style = this.style; if (style == UNDEFINED) { style = NORMAL; } String fontName = BaseFont.HELVETICA; String encoding = BaseFont.WINANSI; BaseFont cfont = null; switch (family) { case COURIER: switch (style & BOLDITALIC) { case BOLD: fontName = BaseFont.COURIER_BOLD; break; case ITALIC: fontName = BaseFont.COURIER_OBLIQUE; break; case BOLDITALIC: fontName = BaseFont.COURIER_BOLDOBLIQUE; break; default: //case NORMAL: fontName = BaseFont.COURIER; break; } break; case TIMES_ROMAN: switch (style & BOLDITALIC) { case BOLD: fontName = BaseFont.TIMES_BOLD; break; case ITALIC: fontName = BaseFont.TIMES_ITALIC; break; case BOLDITALIC: fontName = BaseFont.TIMES_BOLDITALIC; break; default: case NORMAL: fontName = BaseFont.TIMES_ROMAN; break; } break; case SYMBOL: fontName = BaseFont.SYMBOL; if (specialEncoding) encoding = BaseFont.SYMBOL; break; case ZAPFDINGBATS: fontName = BaseFont.ZAPFDINGBATS; if (specialEncoding) encoding = BaseFont.ZAPFDINGBATS; break; default: case Font.HELVETICA: switch (style & BOLDITALIC) { case BOLD: fontName = BaseFont.HELVETICA_BOLD; break; case ITALIC: fontName = BaseFont.HELVETICA_OBLIQUE; break; case BOLDITALIC: fontName = BaseFont.HELVETICA_BOLDOBLIQUE; break; default: case NORMAL: fontName = BaseFont.HELVETICA; break; } break; } try { cfont = BaseFont.createFont(fontName, encoding, false); } catch (Exception ee) { throw new ExceptionConverter(ee); } return cfont; } /** * Gets the style that can be used with the calculated BaseFont * . * * @return the style that can be used with the calculated BaseFont * */ public int getCalculatedStyle() { int style = this.style; if (style == UNDEFINED) { style = NORMAL; } if (baseFont != null) return style; if (family == SYMBOL || family == ZAPFDINGBATS) return style; else return style & (~BOLDITALIC); } /** * Gets the size that can be used with the calculated BaseFont * . * * @return the size that can be used with the calculated BaseFont * */ public float getCalculatedSize() { float s = this.size; if (s == UNDEFINED) { s = DEFAULTSIZE; } return s; } }