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310 lines
11 KiB
Java
310 lines
11 KiB
Java
/* TextAttribute.java --
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Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.font;
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import java.io.InvalidObjectException;
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import java.text.AttributedCharacterIterator;
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/**
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* Attributes (and associated values) that can be used to define an
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* {@link java.text.AttributedString}.
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*/
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public final class TextAttribute extends AttributedCharacterIterator.Attribute
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{
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private static final long serialVersionUID = 7744112784117861702L;
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/** A key for the background paint attribute. */
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public static final TextAttribute BACKGROUND =
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new TextAttribute("background");
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/** A key for the BIDI_EMBEDDING attribute. */
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public static final TextAttribute BIDI_EMBEDDING =
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new TextAttribute("bidi_embedding");
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/** A key for the CHAR_REPLACEMENT attribute. */
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public static final TextAttribute CHAR_REPLACEMENT =
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new TextAttribute("char_replacement");
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/** A key for the FAMILY attribute. */
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public static final TextAttribute FAMILY = new TextAttribute("family");
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/** A key for the font attribute. */
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public static final TextAttribute FONT = new TextAttribute("font");
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/** A key for the foreground paint attribute. */
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public static final TextAttribute FOREGROUND =
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new TextAttribute("foreground");
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/** A key for the INPUT_METHOD_HIGHLIGHT attribute. */
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public static final TextAttribute INPUT_METHOD_HIGHLIGHT =
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new TextAttribute("input method highlight");
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/** A key for the INPUT_METHOD_UNDERLINE attribute. */
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public static final TextAttribute INPUT_METHOD_UNDERLINE =
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new TextAttribute("input method underline");
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/** A key for the text justification attribute. */
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public static final TextAttribute JUSTIFICATION =
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new TextAttribute("justification");
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/**
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* A value that can be used with the {@link #JUSTIFICATION} attribute to
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* indicate full justification of the text.
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*/
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public static final Float JUSTIFICATION_FULL = new Float(1.0);
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/**
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* A value that can be used with the {@link #JUSTIFICATION} attribute to
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* indicate no justification of the text.
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*/
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public static final Float JUSTIFICATION_NONE = new Float(0.0);
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/** A key for the NUMERIC_SHAPING attribute. */
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public static final TextAttribute NUMERIC_SHAPING =
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new TextAttribute("numeric_shaping");
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/** A key for the POSTURE attribute. */
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public static final TextAttribute POSTURE = new TextAttribute("posture");
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/** A value that can be used with the {@link #POSTURE} attribute. */
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public static final Float POSTURE_OBLIQUE = new Float(0.2);
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/** A value that can be used with the {@link #POSTURE} attribute. */
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public static final Float POSTURE_REGULAR = new Float(0.0);
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/** A key for the RUN_DIRECTION attribute. */
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public static final TextAttribute RUN_DIRECTION =
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new TextAttribute("run_direction");
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/** A value that can be used with the {@link #RUN_DIRECTION} attribute. */
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public static final Boolean RUN_DIRECTION_LTR = Boolean.FALSE;
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/** A value that can be used with the {@link #RUN_DIRECTION} attribute. */
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public static final Boolean RUN_DIRECTION_RTL = Boolean.TRUE;
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/** A key for the text size attribute. */
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public static final TextAttribute SIZE = new TextAttribute("size");
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/** A key for the STRIKETHROUGH attribute. */
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public static final TextAttribute STRIKETHROUGH =
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new TextAttribute("strikethrough");
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/** A value that can be used with the {@link #STRIKETHROUGH} attribute. */
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public static final Boolean STRIKETHROUGH_ON = Boolean.TRUE;
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/** A key for the SUPERSCRIPT attribute. */
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public static final TextAttribute SUPERSCRIPT =
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new TextAttribute("superscript");
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/** A value that can be used with the {@link #SUPERSCRIPT} attribute. */
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public static final Integer SUPERSCRIPT_SUB = new Integer(-1);
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/** A value that can be used with the {@link #SUPERSCRIPT} attribute. */
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public static final Integer SUPERSCRIPT_SUPER = new Integer(1);
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/** A key for the SWAP_COLORS attribute. */
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public static final TextAttribute SWAP_COLORS =
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new TextAttribute("swap_colors");
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/** A value that can be used with the {@link #SWAP_COLORS} attribute. */
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public static final Boolean SWAP_COLORS_ON = Boolean.TRUE;
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/** A key for the TRANFORM attribute. */
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public static final TextAttribute TRANSFORM = new TextAttribute("transform");
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/** A key for the UNDERLINE attribute. */
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public static final TextAttribute UNDERLINE = new TextAttribute("underline");
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/** A value that can be used with the {@link #UNDERLINE} attribute. */
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public static final Integer UNDERLINE_LOW_DASHED = new Integer(5);
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/** A value that can be used with the {@link #UNDERLINE} attribute. */
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public static final Integer UNDERLINE_LOW_DOTTED = new Integer(3);
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/** A value that can be used with the {@link #UNDERLINE} attribute. */
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public static final Integer UNDERLINE_LOW_GRAY = new Integer(4);
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/** A value that can be used with the {@link #UNDERLINE} attribute. */
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public static final Integer UNDERLINE_LOW_ONE_PIXEL = new Integer(1);
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/** A value that can be used with the {@link #UNDERLINE} attribute. */
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public static final Integer UNDERLINE_LOW_TWO_PIXEL = new Integer(2);
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/** A value that can be used with the {@link #UNDERLINE} attribute. */
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public static final Integer UNDERLINE_ON = new Integer(0);
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/** A key for the WEIGHT attribute. */
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public static final TextAttribute WEIGHT = new TextAttribute("weight");
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_BOLD = new Float(2.0);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_DEMIBOLD = new Float(1.75);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_DEMILIGHT = new Float(0.875);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_EXTRA_LIGHT = new Float(0.5);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_EXTRABOLD = new Float(2.5);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_HEAVY = new Float(2.25);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_LIGHT = new Float(0.75);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_MEDIUM = new Float(1.5);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_REGULAR = new Float(1.0);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_SEMIBOLD = new Float(1.25);
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/** A value that can be used with the {@link #WEIGHT} attribute. */
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public static final Float WEIGHT_ULTRABOLD = new Float(2.75);
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/** A key for the WIDTH attribute. */
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public static final TextAttribute WIDTH = new TextAttribute("width");
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/** A value that can be used with the {@link #WIDTH} attribute. */
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public static final Float WIDTH_CONDENSED = new Float(0.75);
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/** A value that can be used with the {@link #WIDTH} attribute. */
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public static final Float WIDTH_EXTENDED = new Float(1.5);
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/** A value that can be used with the {@link #WIDTH} attribute. */
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public static final Float WIDTH_REGULAR = new Float(1.0);
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/** A value that can be used with the {@link #WIDTH} attribute. */
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public static final Float WIDTH_SEMI_CONDENSED = new Float(0.875);
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/** A value that can be used with the {@link #WIDTH} attribute. */
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public static final Float WIDTH_SEMI_EXTENDED = new Float(1.25);
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/**
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* Creates a new attribute.
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*
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* @param name the name.
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*/
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protected TextAttribute(String name)
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{
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super(name);
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}
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/**
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* After deserialization, this method ensures that only one instance of
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* each attribute is used.
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*
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* @return The (single) attribute instance.
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*
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* @throws InvalidObjectException if the attribute is not recognised.
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*/
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protected Object readResolve()
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throws InvalidObjectException
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{
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if (this.getName().equals("background"))
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return BACKGROUND;
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if (this.getName().equals("bidi_embedding"))
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return BIDI_EMBEDDING;
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if (this.getName().equals("char_replacement"))
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return CHAR_REPLACEMENT;
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if (this.getName().equals("family"))
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return FAMILY;
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if (this.getName().equals("font"))
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return FONT;
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if (this.getName().equals("foreground"))
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return FOREGROUND;
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if (this.getName().equals("input method highlight"))
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return INPUT_METHOD_HIGHLIGHT;
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if (this.getName().equals("input method underline"))
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return INPUT_METHOD_UNDERLINE;
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if (this.getName().equals("justification"))
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return JUSTIFICATION;
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if (this.getName().equals("numeric_shaping"))
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return NUMERIC_SHAPING;
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if (this.getName().equals("posture"))
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return POSTURE;
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if (this.getName().equals("run_direction"))
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return RUN_DIRECTION;
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if (this.getName().equals("size"))
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return SIZE;
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if (this.getName().equals("strikethrough"))
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return STRIKETHROUGH;
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if (this.getName().equals("superscript"))
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return SUPERSCRIPT;
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if (this.getName().equals("swap_colors"))
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return SWAP_COLORS;
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if (this.getName().equals("transform"))
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return TRANSFORM;
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if (this.getName().equals("underline"))
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return UNDERLINE;
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if (this.getName().equals("weight"))
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return WEIGHT;
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if (this.getName().equals("width"))
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return WIDTH;
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throw new InvalidObjectException("Can't resolve Attribute: " + getName());
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}
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}
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