/*
* Created on 19 nov. 2004
* Created by Olivier Chalouhi
*
* Copyright (C) 2004, 2005, 2006 Aelitis SAS, All rights Reserved
*
* This program 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.
*
* This program is distributed in the hope that it will be useful,
* but 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 ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* AELITIS, SAS au capital de 46,603.30 euros,
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*/
package org.gudy.azureus2.ui.swt.components.graphics;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
/**
* @author Olivier Chalouhi
*
*/
public class PieUtils {
private static Image computePie(Display display,int width,int height,int percent) {
Image image = new Image(display,width,height);
GC gcImage = new GC(image);
gcImage.setForeground(Colors.blue);
int angle = (percent * 360) / 100;
gcImage.setBackground(Colors.blues[Colors.BLUES_MIDDARK]);
gcImage.fillArc(0,0,width,height,90-angle,angle);
gcImage.drawOval(0 , 0 , width-1, height-1);
gcImage.dispose();
return image;
}
public static void drawPie(GC gc,int x, int y,int width,int height,int percent) {
Color background = gc.getBackground();
gc.setForeground(Colors.blue);
int angle = (percent * 360) / 100;
if(angle<4)
angle = 0; // workaround fillArc rendering bug
gc.setBackground(Colors.white);
gc.fillArc(x,y,width,height,0,360);
gc.setBackground(background);
gc.fillArc(x,y,width,height,90,angle*-1);
gc.drawOval(x , y , width-1, height-1);
}
}