package net.sf.latexdraw.parsers.svg;
import java.text.ParseException;
import net.sf.latexdraw.parsers.svg.parsers.SVGLengthParser;
import org.w3c.dom.Node;
/**
* Defines the SVG tag <code>line</code>.<br>
*<br>
* This file is part of LaTeXDraw.<br>
* Copyright (c) 2005-2014 Arnaud BLOUIN<br>
*<br>
* LaTeXDraw is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.<br>
*<br>
* LaTeXDraw is distributed without any warranty; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.<br>
*<br>
* 10/11/07<br>
* @author Arnaud BLOUIN
* @version 3.0
* @since 0.1
*/
public class SVGLineElement extends SVGElement {
/**
* {@link SVGElement#SVGElement(Node, SVGElement)}
*/
public SVGLineElement(final Node n, final SVGElement p) throws MalformedSVGDocument {
super(n, p);
}
/**
* Creates an SVGLine.
* @param owner The owner document.
* @param x1 The X-coordinate of the first point of the line.
* @param x2 The X-coordinate of the second point of the line.
* @param y1 The Y-coordinate of the first point of the line.
* @param y2 The Y-coordinate of the second point of the line.
* @throws MalformedSVGDocument If the given coordinates are not valid.
* @since 0.1
*/
public SVGLineElement(final double x1, final double y1, final double x2, final double y2, final SVGDocument owner) throws MalformedSVGDocument {
this(owner);
setAttribute(SVGAttributes.SVG_X1, String.valueOf(x1));
setAttribute(SVGAttributes.SVG_X2, String.valueOf(x2));
setAttribute(SVGAttributes.SVG_Y1, String.valueOf(y1));
setAttribute(SVGAttributes.SVG_Y2, String.valueOf(y2));
if(!checkAttributes())
throw new MalformedSVGDocument();
}
/**
* Creates an SVG line (0,0 ; 0,0)
* @param doc The owner document.
* @since 0.1
*/
public SVGLineElement(final SVGDocument doc) {
super(doc);
setNodeName(SVGElements.SVG_LINE);
setAttribute(SVGAttributes.SVG_X1, "0");//$NON-NLS-1$
setAttribute(SVGAttributes.SVG_X2, "0");//$NON-NLS-1$
setAttribute(SVGAttributes.SVG_Y1, "0");//$NON-NLS-1$
setAttribute(SVGAttributes.SVG_Y2, "0");//$NON-NLS-1$
}
/**
* @return The x-axis coordinate of the start of the line (0 if there it does not exist or it is not a length).
* @since 0.1
*/
public double getX1() {
final String v = getAttribute(getUsablePrefix()+SVGAttributes.SVG_X1);
double x1;
try { x1 = v==null ? 0 : new SVGLengthParser(v).parseCoordinate().getValue(); }
catch(final ParseException e) { x1 = 0; }
return x1;
}
/**
* @return The y-axis coordinate of the start of the line (0 if there it does not exist or it is not a length).
* @since 0.1
*/
public double getY1() {
final String v = getAttribute(getUsablePrefix()+SVGAttributes.SVG_Y1);
double y1;
try { y1 = v==null ? 0 : new SVGLengthParser(v).parseCoordinate().getValue(); }
catch(final ParseException e) { y1 = 0; }
return y1;
}
/**
* @return The x-axis coordinate of the end of the line (0 if there it does not exist or it is not a length).
* @since 0.1
*/
public double getX2() {
final String v = getAttribute(getUsablePrefix()+SVGAttributes.SVG_X2);
double x2;
try { x2 = v==null ? 0 : new SVGLengthParser(v).parseCoordinate().getValue(); }
catch(final ParseException e) { x2 = 0; }
return x2;
}
/**
* @return The y-axis coordinate of the end of the line (0 if there it does not exist or it is not a length).
* @since 0.1
*/
public double getY2() {
final String v = getAttribute(getUsablePrefix()+SVGAttributes.SVG_Y2);
double y2;
try { y2 = v==null ? 0 : new SVGLengthParser(v).parseCoordinate().getValue(); }
catch(final ParseException e) { y2 = 0; }
return y2;
}
/**
* Sets the first X-coordinate of the line.
* @param x1 The first X-coordinate of the line.
* @since 2.0.0
*/
public void setX1(final double x1) {
setAttribute(getUsablePrefix()+SVGAttributes.SVG_X1, String.valueOf(x1));
}
/**
* Sets the second X-coordinate of the line.
* @param x2 The second X-coordinate of the line.
* @since 2.0.0
*/
public void setX2(final double x2) {
setAttribute(getUsablePrefix()+SVGAttributes.SVG_X2, String.valueOf(x2));
}
/**
* Sets the first Y-coordinate of the line.
* @param y1 The first Y-coordinate of the line.
* @since 2.0.0
*/
public void setY1(final double y1) {
setAttribute(getUsablePrefix()+SVGAttributes.SVG_Y1, String.valueOf(y1));
}
/**
* Sets the second Y-coordinate of the line.
* @param y2 The second Y-coordinate of the line.
* @since 2.0.0
*/
public void setY2(final double y2) {
setAttribute(getUsablePrefix()+SVGAttributes.SVG_Y2, String.valueOf(y2));
}
@Override
public boolean checkAttributes() {
return true;
}
@Override
public boolean enableRendering() {
return true;
}
}