org.eclipse.gmf.runtime.draw2d.ui.render.awt/src/org/eclipse/gmf/runtime/draw2d/ui/render/awt/internal/svg/metafile/PolyPolygon.java

/******************************************************************************
 * Copyright (c) 2003, 2006 IBM Corporation 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:
 *    IBM Corporation - initial API and implementation 
 ****************************************************************************/

package org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile;

import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.GeneralPath;

import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.DeviceContext;
import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.GdiBrush;
import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.GdiPen;


/**  
 * @author dhabib
 */
public class PolyPolygon extends AbstractPolyPoly 
{
	public PolyPolygon( boolean b16Bits )
	{
		super( b16Bits );
	}

	protected boolean renderPoly( 	Graphics2D 		g, 
								  	DeviceContext 	context, 
									int[] 			xPoints, 
									int[] 			yPoints, 
									int 			nPoints )
	{
		GdiBrush curBrush = context.getCurBrush();
		
		Shape s = getShape( xPoints, yPoints, nPoints );
		
		if( curBrush != null )
		{
			curBrush.fill( s, g, context );
		}

		GdiPen curPen = context.getCurPen();
		
		if( curPen != null )
		{
			curPen.apply( g, context );
			g.draw( s );
		}

		return true;
	}
	
	protected boolean renderPoly( 	GeneralPath 	p, 
									int[] 			xPoints, 
									int[] 			yPoints, 
									int 			nPoints )
	{
		if( nPoints > 0 )
		{	
			p.moveTo( xPoints[ 0 ], yPoints[ 0 ] );
			
			for( int index = 1; index < nPoints; index++ )
			{
				p.lineTo( xPoints[ index ], yPoints[ index ] );
			}
			
			p.closePath();
		}
		return true;
	}

	private Shape getShape( int[] xPoints, int [] yPoints, int nPoints )
	{
		GeneralPath p = new GeneralPath();
		
		if( nPoints > 0 )
		{	
			p.moveTo( xPoints[ 0 ], yPoints[ 0 ] );
			
			for( int index = 1; index < nPoints; index++ )
			{
				p.lineTo( xPoints[ index ], yPoints[ index ] );
			}
			
			p.closePath();
		}
		
		return p;
	}
}