org.w3c.css.properties.svg.Mask Maven / Gradle / Ivy
//
// $Id: Mask.java,v 1.4 2010-01-05 13:49:59 ylafon Exp $
// From Sijtsche de Jong ([email protected])
//
// (c) COPYRIGHT 1995-2000 World Wide Web Consortium (MIT, INRIA, Keio University)
// Please first read the full copyright statement at
// http://www.w3.org/Consortium/Legal/copyright-software-19980720
package org.w3c.css.properties.svg;
import org.w3c.css.parser.CssStyle;
import org.w3c.css.properties.css.CssProperty;
import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssIdent;
import org.w3c.css.values.CssURL;
import org.w3c.css.values.CssValue;
/**
*
* Value: <uri> || none || inherit
* Initial:none
* Applies to:all elements
* Inherited:no
* Percentages:no
* Media::visual
*/
public class Mask extends CssProperty {
CssValue mask;
ApplContext ac;
CssIdent none = new CssIdent("none");
/**
* Create a new Mask
*/
public Mask() {
//nothing to do
}
/**
* Create a new Mask
*
* @param expression The expression for this property
* @exception InvalidParamException Values are incorrect
*/
public Mask(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
this.ac = ac;
setByUser(); // tell this property is set by the user
CssValue val = expression.getValue();
if (val instanceof CssURL) {
mask = val;
expression.next();
}
else if (val instanceof CssIdent) {
if (val.equals(inherit)) {
mask = inherit;
expression.next();
} else if (val.equals(none)) {
mask = none;
expression.next();
}
}
else {
throw new InvalidParamException("value", val.toString(), getPropertyName(), ac);
}
}
public Mask(ApplContext ac, CssExpression expression)
throws InvalidParamException {
this(ac, expression, false);
}
/**
* Add this property to the CssStyle.
*
* @param style The CssStyle
*/
public void addToStyle(ApplContext ac, CssStyle style) {
if (((SVGBasicStyle) style).mask != null)
style.addRedefinitionWarning(ac, this);
((SVGBasicStyle) style).mask = this;
}
/**
* Get this property in the style.
*
* @param style The style where the property is
* @param resolve if true, resolve the style to find this property
*/
public CssProperty getPropertyInStyle(CssStyle style, boolean resolve) {
if (resolve) {
return ((SVGBasicStyle) style).getMask();
} else {
return ((SVGBasicStyle) style).mask;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof Mask &&
mask.equals( ((Mask) property).mask));
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "mask";
}
/**
* Returns the value of this property
*/
public Object get() {
return mask;
}
/**
* Returns true if this property is "softly" inherited
*/
public boolean isSoftlyInherited() {
return mask.equals(inherit);
}
/**
* Returns a string representation of the object
*/
public String toString() {
return mask.toString();
}
/**
* Is the value of this property a default value
* It is used by all macro for the function print
*/
public boolean isDefault() {
return (mask == none);
}
}