org.w3c.css.properties.svg.Stroke Maven / Gradle / Ivy
//
// $Id: Stroke.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 java.util.Vector;
import org.w3c.css.parser.CssStyle;
import org.w3c.css.properties.css.CssProperty;
import org.w3c.css.properties.css1.CssColor;
import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssFunction;
import org.w3c.css.values.CssIdent;
import org.w3c.css.values.CssNumber;
import org.w3c.css.values.CssOperator;
import org.w3c.css.values.CssURL;
import org.w3c.css.values.CssValue;
/**
*
* Value: <paint> | inherit
* Initial:none
* Applies to:all elements
* Inherited:no
* Percentages:no
* Media::visual
*/
public class Stroke extends CssProperty implements CssOperator {
CssValue stroke;
ApplContext ac;
Vector values = new Vector();
CssIdent currentColor = new CssIdent("currentColor");
CssIdent none = new CssIdent("none");
/**
* Create a new Stroke
*/
public Stroke() {
//nothing to do
}
/**
* Create a new Stroke
*
* @param expression The expression for this property
* @exception InvalidParamException Values are incorrect
*/
public Stroke(ApplContext ac, CssExpression expression,
boolean check) throws InvalidParamException {
this.ac = ac;
setByUser(); // tell this property is set by the user
CssValue val = expression.getValue();
boolean correct = true;
String errorval = "";
char op = expression.getOperator();
if (val.equals(inherit)) {
stroke = inherit;
expression.next();
} else if (val.equals(currentColor)) {
stroke = currentColor;
expression.next();
} else if (val.equals(none)) {
stroke = none;
expression.next();
} else {
try {
CssColor color = new CssColor(ac, expression);
values.addElement(val);
//expression.next();
op = expression.getOperator();
val = expression.getValue();
if (val instanceof CssFunction) { // icc-color([,]*)]
CssValue function = val;
if (!((CssFunction) val).getName().equals("icc-color")) {
correct = false;
errorval = val.toString();
} else {
CssExpression params = ((CssFunction) val).getParameters();
op = params.getOperator();
val = params.getValue();
if (!(val instanceof CssIdent)) {
correct = false;
errorval = val.toString();
}
params.next();
op = params.getOperator();
val = params.getValue();
if (!params.end()) { // there are more parameters left
int counter = 0;
while ((op == COMMA || op == SPACE)
&& (counter < (params.getCount() - 1) && correct == true)) {
if ((!(val instanceof CssNumber)) || (((CssNumber) val).getValue() < 0)) {
correct = false;
errorval = val.toString();
}
params.next();
counter++;
val = params.getValue();
op = params.getOperator();
}
}
if (correct) {
params.starts();
values.addElement(function);
}
else {
correct = false;
errorval = val.toString();
}
}
}
} catch (InvalidParamException e) {
correct = false;
errorval = val.toString();
}
if (val instanceof CssURL) {
values.addElement(val);
correct = true;
errorval = null;
expression.next();
op = expression.getOperator();
val = expression.getValue();
if (val.equals(none) || val.equals(currentColor)) {
values.addElement(val);
expression.next();
} else {
//-------------
try {
CssColor color = new CssColor(ac, expression);
values.addElement(val);
//expression.next();
op = expression.getOperator();
val = expression.getValue();
if (val instanceof CssFunction) { // icc-color([,]*)]
CssValue function = val;
if (!((CssFunction) val).getName().equals("icc-color")) {
correct = false;
errorval = val.toString();
} else {
CssExpression params = ((CssFunction) val).getParameters();
op = params.getOperator();
val = params.getValue();
if (!(val instanceof CssIdent)) {
correct = false;
errorval = val.toString();
}
params.next();
op = params.getOperator();
val = params.getValue();
if (!params.end()) { // there are more parameters left
int counter = 0;
while ((op == COMMA || op == SPACE)
&& (counter < (params.getCount() - 1) && correct == true)) {
if ((!(val instanceof CssNumber)) || (((CssNumber) val).getValue() < 0)) {
correct = false;
errorval = val.toString();
}
params.next();
counter++;
val = params.getValue();
op = params.getOperator();
}
}
if (correct) {
params.starts();
values.addElement(function);
}
else {
correct = false;
errorval = val.toString();
}
}
}
} catch (InvalidParamException e) {
correct = false;
errorval = val.toString();
}
//-----------------
}
} else {
correct = false;
errorval = val.toString();
}
}
expression.next();
if (!correct) {
throw new InvalidParamException("value", errorval, getPropertyName(), ac);
}
}
public Stroke(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 (((SVGTinyStyle) style).stroke != null)
style.addRedefinitionWarning(ac, this);
((SVGTinyStyle) style).stroke = 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 ((SVGTinyStyle) style).getStroke();
} else {
return ((SVGTinyStyle) style).stroke;
}
}
/**
* Compares two properties for equality.
*
* @param value The other property.
*/
public boolean equals(CssProperty property) {
return (property instanceof Stroke &&
stroke.equals( ((Stroke) property).stroke));
}
/**
* Returns the name of this property
*/
public String getPropertyName() {
return "stroke";
}
/**
* Returns the value of this property
*/
public Object get() {
if (stroke != null)
return stroke;
else
return values;
}
/**
* Returns true if this property is "softly" inherited
*/
public boolean isSoftlyInherited() {
return stroke.equals(inherit);
}
/**
* Returns a string representation of the object
*/
public String toString() {
if (stroke != null) {
return stroke.toString();
} else {
String ret = "";
for (int i = 0; i < values.size(); i++) {
ret += " " + values.elementAt(i).toString();
}
return ret;
}
}
/**
* Is the value of this property a default value
* It is used by all macro for the function print
*/
public boolean isDefault() {
return stroke == none;
}
}