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Diffstat (limited to 'src/main/java/com/lowagie/text/Font.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/Font.java | 806 |
1 files changed, 806 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/Font.java b/src/main/java/com/lowagie/text/Font.java new file mode 100644 index 0000000..412a833 --- /dev/null +++ b/src/main/java/com/lowagie/text/Font.java @@ -0,0 +1,806 @@ +/*
+ * $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.
+ * <P>
+ * Example: <BLOCKQUOTE>
+ *
+ * <PRE>
+ *
+ * Paragraph p = new Paragraph("This is a paragraph", <STRONG>new
+ * Font(Font.HELVETICA, 18, Font.BOLDITALIC, new Color(0, 0, 255)) </STRONG>);
+ *
+ * </PRE>
+ *
+ * </BLOCKQUOTE>
+ */
+
+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 <CODE>Color</CODE> 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 <CODE>Color</CODE> 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 <CODE>Font</CODE> with another
+ *
+ * @param object
+ * the other <CODE>Font</CODE>
+ * @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 <CODE>String</CODE> ("Courier", "Helvetica",
+ * "Times New Roman", "Symbol" or "ZapfDingbats").
+ *
+ * @param family
+ * A <CODE>String</CODE> representing a certain font-family.
+ */
+
+ public void setFamily(String family) {
+ this.family = getFamilyIndex(family);
+ }
+
+ /**
+ * Translates a <CODE>String</CODE> -value of a certain family into the
+ * index that is used for this family in this class.
+ *
+ * @param family
+ * A <CODE>String</CODE> 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 <CODE>String</CODE> containing one of more of
+ * the following values: normal, bold, italic, underline, strike.
+ *
+ * @param style
+ * A <CODE>String</CODE> 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 <CODE>String</CODE> -value of a certain style into the
+ * index value is used for this style in this class.
+ *
+ * @param style
+ * A <CODE>String</CODE>
+ * @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.
+ * <P>
+ * If so, the standard should be used.
+ *
+ * @return a <CODE>boolean</CODE>
+ */
+
+ public boolean isStandardFont() {
+ return (family == UNDEFINED && size == UNDEFINED && style == UNDEFINED
+ && color == null && baseFont == null);
+ }
+
+ /**
+ * Replaces the attributes that are equal to <VAR>null </VAR> with the
+ * attributes of a given font.
+ *
+ * @param font
+ * the font of a bigger element class
+ * @return a <CODE>Font</CODE>
+ */
+
+ 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 <CODE>boolean</CODE>
+ */
+
+ public boolean isBold() {
+ if (style == UNDEFINED) {
+ return false;
+ }
+ return (style & BOLD) == BOLD;
+ }
+
+ /**
+ * checks if this font is Bold.
+ *
+ * @return a <CODE>boolean</CODE>
+ */
+
+ public boolean isItalic() {
+ if (style == UNDEFINED) {
+ return false;
+ }
+ return (style & ITALIC) == ITALIC;
+ }
+
+ /**
+ * checks if this font is underlined.
+ *
+ * @return a <CODE>boolean</CODE>
+ */
+
+ public boolean isUnderlined() {
+ if (style == UNDEFINED) {
+ return false;
+ }
+ return (style & UNDERLINE) == UNDERLINE;
+ }
+
+ /**
+ * checks if the style of this font is STRIKETHRU.
+ *
+ * @return a <CODE>boolean</CODE>
+ */
+
+ 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 <CODE>BaseFont</CODE> inside this object.
+ *
+ * @return the <CODE>BaseFont</CODE>
+ */
+
+ public BaseFont getBaseFont() {
+ return baseFont;
+ }
+
+ /**
+ * Gets the <CODE>BaseFont</CODE> this class represents. For the built-in
+ * fonts a <CODE>BaseFont</CODE> is calculated.
+ *
+ * @param specialEncoding
+ * <CODE>true</CODE> to use the special encoding for Symbol and
+ * ZapfDingbats, <CODE>false</CODE> to always use <CODE>Cp1252
+ * </CODE>
+ * @return the <CODE>BaseFont</CODE> 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 <CODE>BaseFont
+ * </CODE>.
+ *
+ * @return the style that can be used with the calculated <CODE>BaseFont
+ * </CODE>
+ */
+ 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 <CODE>BaseFont
+ * </CODE>.
+ *
+ * @return the size that can be used with the calculated <CODE>BaseFont
+ * </CODE>
+ */
+ public float getCalculatedSize() {
+ float s = this.size;
+ if (s == UNDEFINED) {
+ s = DEFAULTSIZE;
+ }
+ return s;
+ }
+}
\ No newline at end of file |