shapeutil.java

一个可视化编辑器的基础结构

package org.goshawk.workflow.GUI.Utils;

import java.awt.Rectangle;
import java.awt.geom.Ellipse2D;

public class ShapeUtil 
{
	public static Rectangle createRectangle(int x,int y,int width,int height)
	{
		if(width<0)
		{
			x = x+width;
			width = -width;
		}
		if(height<0)
		{
			y = y+height;
			height = -height;
		}
		return new Rectangle(x,y,width,height);
	}
	
	public static Ellipse2D.Double  createEllipse(int x,int y,int width,int height)
	{
		if(width<0)
		{
			x = x+width;
			width = -width;
		}
		if(height<0)
		{
			y = y+height;
			height = -height;
		}
		return new Ellipse2D.Double((double) x, (double) y, (double) width, (double) height) ;
	}
}