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/*
* $Id$
* ============================================================================
* 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.properties;
import org.apache.fop.datatypes.Numeric;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.PropertyList;
/**
* Class for handling numeric properties
*/
public class NumberProperty extends Property implements Numeric {
/**
* Inner class for making NumberProperty objects
*/
public static class Maker extends PropertyMaker {
/**
* Constructor for NumberProperty.Maker
* @param propName the name of the property
*/
public Maker(int propId) {
super(propId);
}
/**
* @see PropertyMaker#convertProperty
*/
public Property convertProperty(Property p,
PropertyList propertyList, FObj fo) {
if (p instanceof NumberProperty) {
return p;
}
Number val = p.getNumber();
if (val != null) {
return new NumberProperty(val);
}
return convertPropertyDatatype(p, propertyList, fo);
}
}
private Number number;
/**
* Constructor for Number input
* @param num Number object value for property
*/
public NumberProperty(Number num) {
this.number = num;
}
/**
* Constructor for double input
* @param num double numeric value for property
*/
public NumberProperty(double num) {
this.number = new Double(num);
}
/**
* Constructor for integer input
* @param num integer numeric value for property
*/
public NumberProperty(int num) {
this.number = new Integer(num);
}
/**
* Plain number always has a dimension of 0.
* @return a dimension of 0.
* @see Numeric#getDimension()
*/
public int getDimension() {
return 0;
}
/**
* Return the value of this Numeric.
* @return The value as a double.
* @see Numeric#getNumericValue()
*/
public double getNumericValue() {
return number.doubleValue();
}
/**
* Return true because all numbers are absolute.
* @return true.
* @see Numeric#isAbsolute()
*/
public boolean isAbsolute() {
return true;
}
/**
* @return this.number cast as a Number
*/
public Number getNumber() {
return this.number;
}
/**
* @return this.number cast as an Object
*/
public Object getObject() {
return this.number;
}
/**
* Convert NumberProperty to Numeric object
* @return Numeric object corresponding to this
*/
public Numeric getNumeric() {
return this;
}
/**
* Convert NumberProperty to a ColorType. Not sure why this is needed.
* @return ColorType that corresponds to black
*/
public ColorTypeProperty getColorType() {
// Convert numeric value to color ???
// Convert to hexadecimal and then try to make it into a color?
return new ColorTypeProperty((float)0.0, (float)0.0, (float)0.0);
}
}
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