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/*
* $Id: Character.java,v 1.22 2003/03/06 11:36:30 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.fo.flow;
// FOP
import org.apache.fop.fo.CharIterator;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.OneCharIterator;
import org.apache.fop.fo.FOTreeVisitor;
import org.apache.fop.fo.properties.CommonAural;
import org.apache.fop.fo.properties.CommonBorderAndPadding;
import org.apache.fop.fo.properties.CommonBackground;
import org.apache.fop.fo.properties.CommonHyphenation;
import org.apache.fop.fo.properties.CommonMarginInline;
import org.apache.fop.fo.properties.CommonRelativePosition;
import org.apache.fop.apps.FOPException;
import org.apache.fop.area.inline.InlineArea;
/**
* This class represents the flow object 'fo:character'. Its use is defined by
* the spec: "The fo:character flow object represents a character that is mapped to
* a glyph for presentation. It is an atomic unit to the formatter.
* When the result tree is interpreted as a tree of formatting objects,
* a character in the result tree is treated as if it were an empty
* element of type fo:character with a character attribute
* equal to the Unicode representation of the character.
* The semantics of an "auto" value for character properties, which is
* typically their initial value, are based on the Unicode codepoint.
* Overrides may be specified in an implementation-specific manner." (6.6.3)
*
*/
public class Character extends FObj {
/** constant indicating that the character is OK */
public static final int OK = 0;
/** constant indicating that the character does not fit */
public static final int DOESNOT_FIT = 1;
private char characterValue;
/**
* @param parent FONode that is the parent of this object
*/
public Character(FONode parent) {
super(parent);
}
public InlineArea getInlineArea() {
String str = this.properties.get("character").getString();
if (str.length() == 1) {
org.apache.fop.area.inline.Character ch =
new org.apache.fop.area.inline.Character(
str.charAt(0));
return ch;
}
return null;
}
private void setup() throws FOPException {
// Common Aural Properties
CommonAural mAurProps = propMgr.getAuralProps();
// Common Border, Padding, and Background Properties
CommonBorderAndPadding bap = propMgr.getBorderAndPadding();
CommonBackground bProps = propMgr.getBackgroundProps();
// Common Font Properties
//this.fontState = propMgr.getFontState(area.getFontInfo());
// Common Hyphenation Properties
CommonHyphenation mHyphProps = propMgr.getHyphenationProps();
// Common Margin Properties-Inline
CommonMarginInline mProps = propMgr.getMarginInlineProps();
// Common Relative Position Properties
CommonRelativePosition mRelProps =
propMgr.getRelativePositionProps();
// this.properties.get("alignment-adjust");
// this.properties.get("treat-as-word-space");
// this.properties.get("alignment-baseline");
// this.properties.get("baseline-shift");
// this.properties.get("character");
// this.properties.get("color");
// this.properties.get("dominant-baseline");
// this.properties.get("text-depth");
// this.properties.get("text-altitude");
// this.properties.get("glyph-orientation-horizontal");
// this.properties.get("glyph-orientation-vertical");
setupID();
// this.properties.get("keep-with-next");
// this.properties.get("keep-with-previous");
// this.properties.get("letter-spacing");
// this.properties.get("line-height");
// this.properties.get("line-height-shift-adjustment");
// this.properties.get("score-spaces");
// this.properties.get("suppress-at-line-break");
// this.properties.get("text-decoration");
// this.properties.get("text-shadow");
// this.properties.get("text-transform");
// this.properties.get("word-spacing");
}
/**
* @see org.apache.fop.fo.FObj#charIterator
*/
public CharIterator charIterator() {
return new OneCharIterator(characterValue);
// But what it the character is ignored due to white space handling?
}
/**
* This is a hook for an FOTreeVisitor subclass to be able to access
* this object.
* @param fotv the FOTreeVisitor subclass that can access this object.
* @see org.apache.fop.fo.FOTreeVisitor
*/
public void acceptVisitor(FOTreeVisitor fotv) {
fotv.serveVisitor(this);
}
}
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