package net.sf.latexdraw.generators.svg;
import java.text.ParseException;
import net.sf.latexdraw.badaboom.BadaboomCollector;
import net.sf.latexdraw.glib.models.ShapeFactory;
import net.sf.latexdraw.glib.models.interfaces.shape.IPoint;
import net.sf.latexdraw.glib.models.interfaces.shape.IPolygon;
import net.sf.latexdraw.glib.views.pst.PSTricksConstants;
import net.sf.latexdraw.parsers.svg.SVGAttributes;
import net.sf.latexdraw.parsers.svg.SVGDocument;
import net.sf.latexdraw.parsers.svg.SVGElement;
import net.sf.latexdraw.parsers.svg.SVGGElement;
import net.sf.latexdraw.parsers.svg.SVGPathElement;
import net.sf.latexdraw.parsers.svg.SVGPolygonElement;
import net.sf.latexdraw.util.LNamespace;
/**
* Defines a SVG generator for a polygon.<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>
* 11/11/07<br>
* @author Arnaud BLOUIN
* @version 3.0
*/
class LPolygonSVGGenerator extends LModifiablePointsGenerator<IPolygon> {
/**
* Creates a generator for IPolygon.
* @param polygon The source polygon used to generate the SVG element.
*/
protected LPolygonSVGGenerator(final IPolygon polygon) {
super(polygon);
}
/**
* Creates a latexdraw shape from the given SVG element.
* @param elt The source SVG element.
* @throws IllegalArgumentException If the given SVG element is not valid.
* @since 3.0
*/
protected LPolygonSVGGenerator(final SVGPathElement elt) {
super(ShapeFactory.createPolygon());
if(elt==null)
throw new IllegalArgumentException();
initModifiablePointsShape(elt);
}
/**
* Creates a polygon from an SVG polygon element.
* @param elt The source element.
* @since 2.0.0
*/
protected LPolygonSVGGenerator(final SVGPolygonElement elt) {
this(ShapeFactory.createPolygon());
setSVGModifiablePointsParameters(elt);
applyTransformations(elt);
}
/**
* Creates a polygon from a latexdraw-SVG element.
* @param elt The source element.
* @since 2.0.0
*/
protected LPolygonSVGGenerator(final SVGGElement elt, final boolean withTransformation) {
this(ShapeFactory.createPolygon());
final SVGElement elt2 = getLaTeXDrawElement(elt, null);
if(elt==null || !(elt2 instanceof SVGPolygonElement))
throw new IllegalArgumentException();
final SVGPolygonElement main = (SVGPolygonElement)elt2;
setSVGLatexdrawParameters(elt);
setSVGModifiablePointsParameters(main);
setSVGShadowParameters(getLaTeXDrawElement(elt, LNamespace.XML_TYPE_SHADOW));
setSVGDbleBordersParameters(getLaTeXDrawElement(elt, LNamespace.XML_TYPE_DBLE_BORDERS));
if(withTransformation)
applyTransformations(elt);
}
@Override
public SVGElement toSVG(final SVGDocument doc) {
if(doc==null)
throw new IllegalArgumentException();
final SVGElement root = new SVGGElement(doc);
SVGPolygonElement elt;
final StringBuilder pointsBuilder = new StringBuilder();
root.setAttribute(LNamespace.LATEXDRAW_NAMESPACE+':'+LNamespace.XML_TYPE, LNamespace.XML_TYPE_POLYGON);
root.setAttribute(SVGAttributes.SVG_ID, getSVGID());
for(final IPoint pt : shape.getPoints())
pointsBuilder.append(pt.getX()).append(',').append(pt.getY()).append(' ');
final String points = pointsBuilder.toString();
if(shape.hasShadow()) {
final SVGPolygonElement shad = new SVGPolygonElement(doc);
try { shad.setPoints(points); }catch(final ParseException ex) { BadaboomCollector.INSTANCE.add(ex); }
setSVGShadowAttributes(shad, true);
root.appendChild(shad);
}
if(shape.hasShadow() && !shape.getLineStyle().getLatexToken().equals(PSTricksConstants.LINE_NONE_STYLE)) {
// The background of the borders must be filled is there is a shadow.
elt = new SVGPolygonElement(doc);
try { elt.setPoints(points); }catch(final ParseException ex) { BadaboomCollector.INSTANCE.add(ex); }
setSVGBorderBackground(elt, root);
}
elt = new SVGPolygonElement(doc);
try { elt.setPoints(points); }catch(final ParseException ex) { BadaboomCollector.INSTANCE.add(ex); }
root.appendChild(elt);
setSVGAttributes(doc, elt, true);
elt.setAttribute(LNamespace.LATEXDRAW_NAMESPACE +':'+ LNamespace.XML_ROTATION, String.valueOf(shape.getRotationAngle()));
if(shape.hasDbleBord()) {
final SVGPolygonElement dblBord = new SVGPolygonElement(doc);
try { dblBord.setPoints(points); }catch(final ParseException ex) { BadaboomCollector.INSTANCE.add(ex); }
setSVGDoubleBordersAttributes(dblBord);
root.appendChild(dblBord);
}
return root;
}
}