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/*******************************************************************************
* Copyright (c) 2004, 2008 John Krasnay and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* John Krasnay - initial API and implementation
*******************************************************************************/
package org.eclipse.vex.core.internal.css;
import org.eclipse.vex.core.internal.dom.Element;
import org.w3c.css.sac.LexicalUnit;
/**
* Represents a CSS property.
*/
public interface IProperty {
public static enum Axis {
HORIZONTAL, VERTICAL
};
/**
* Returns the name of the property.
*/
public String getName();
/**
* Calculates the value of a property given a LexicalUnit.
*
* @param lu
* LexicalUnit to interpret.
* @param parentStyles
* Styles of the parent element. These are used when the property inherits a value.
* @param styles
* Styles currently in effect. Often, the calculated value depends on previously calculated styles such
* as font size and color.
* @param element
* The current element for which this property is calculated. May be null.
*/
public Object calculate(LexicalUnit lu, Styles parentStyles, Styles styles, Element element);
}
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