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RTF generation library derived from iText-2.1.7. All PDF features and RTF parsing are removed. Code is modernized for Java 8.
/*
* $Id: Font.java 3678 2009-02-07 14:46:01Z blowagie $
*
* 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:
* https://github.com/osobolev/rtf-gen
*/
package com.lowagie.text;
import com.lowagie.text.html.Markup;
import java.awt.Color;
import java.util.Objects;
/**
* 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 {
// 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;
/**
* the value of the fontsize.
*/
private float size;
/**
* the value of the style.
*/
private int style;
/**
* the value of the color.
*/
private Color color;
// constructors
/**
* Copy constructor of a Font
*
* @param other the font that has to be copied
*/
public Font(Font other) {
this.family = other.family;
this.size = other.size;
this.style = other.style;
this.color = other.color;
}
/**
* 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 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);
}
/**
* Compares this Font with another
*
* @param that the other Font
* @return a value
*/
public boolean same(Font that) {
if (this == that)
return true;
return this.family == that.family &&
this.size == that.size &&
this.style == that.style &&
Objects.equals(this.color, that.color);
}
// FAMILY
/**
* Gets the family of this font.
*
* @return the value of the family
*/
public int getFamily() {
return family;
}
/**
* Gets the familyname as a String.
*
* @return the familyname
*/
public String getFamilyname() {
switch (getFamily()) {
case COURIER:
return FontFactory.COURIER;
case HELVETICA:
return FontFactory.HELVETICA;
case TIMES_ROMAN:
return FontFactory.TIMES_ROMAN;
case SYMBOL:
return FontFactory.SYMBOL;
case ZAPFDINGBATS:
return FontFactory.ZAPFDINGBATS;
}
return "unknown";
}
/**
* 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;
}
// SIZE
/**
* Gets the size of this font.
*
* @return a size
*/
public float getSize() {
return size;
}
/**
* 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;
}
/**
* Gets the leading that can be used with this font.
*
* @param linespacing a certain linespacing
* @return the height of a line
*/
public float getCalculatedLeading(float linespacing) {
return linespacing * getCalculatedSize();
}
/**
* Sets the size.
*
* @param size The new size of the font.
*/
public void setSize(float size) {
this.size = size;
}
// STYLE
/**
* Gets the style of this font.
*
* @return a size
*/
public int getStyle() {
return style;
}
/**
* 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 (family == SYMBOL || family == ZAPFDINGBATS) {
return style;
} else {
return style & ~BOLDITALIC;
}
}
/**
* 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;
}
/**
* Sets the style.
*
* @param style the style.
*/
public void setStyle(int style) {
this.style = style;
}
/**
* 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);
}
/**
* 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.contains(Markup.CSS_VALUE_BOLD)) {
s |= BOLD;
}
if (style.contains(Markup.CSS_VALUE_ITALIC)) {
s |= ITALIC;
}
if (style.contains(Markup.CSS_VALUE_OBLIQUE)) {
s |= ITALIC;
}
if (style.contains(Markup.CSS_VALUE_UNDERLINE)) {
s |= UNDERLINE;
}
if (style.contains(Markup.CSS_VALUE_LINETHROUGH)) {
s |= STRIKETHRU;
}
return s;
}
// COLOR
/**
* Gets the color of this font.
*
* @return a color
*/
public Color getColor() {
return color;
}
/**
* 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);
}
// BASEFONT
// Helper methods
/**
* 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;
}
/**
* 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) {
if (font == null)
return this;
// size
float dSize = font.size;
if (dSize == UNDEFINED) {
dSize = this.size;
}
// style
int dStyle = UNDEFINED;
int style1 = this.style;
int style2 = font.getStyle();
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.getFamily() != UNDEFINED) {
return new Font(font.family, dSize, dStyle, dColor);
}
return new Font(this.family, dSize, dStyle, dColor);
}
}
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