pieutils.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   PieUtils.java

package org.gudy.azureus2.ui.swt.components.graphics;

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;

public class PieUtils
{

	public 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[7]);
		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)
	{
		org.eclipse.swt.graphics.Color background = gc.getBackground();
		gc.setForeground(Colors.blue);
		int angle = (percent * 360) / 100;
		if (angle < 4)
			angle = 0;
		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);
	}
}