defaulticons.java

一个用于排队系统仿真的开源软件,有非常形象的图象仿真过程!

/**    
  * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

  * 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, or
  * (at your option) any later version.

  * 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.

  * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
package jmt.gui.common.animation;

import java.awt.*;
import java.awt.image.BufferedImage;

/**
 * Created by IntelliJ IDEA.
 * User: OrsotronIII
 * Date: 17-feb-2005
 * Time: 16.25.59
 * This class provides constants for rendering of queue net elements.
 */
public abstract class DefaultIcons {

    public static Image getJobIcon(Rectangle bounds){
        BufferedImage bi=new BufferedImage(bounds.width, bounds.height, BufferedImage.TYPE_4BYTE_ABGR);
        Graphics g = bi.getGraphics();
        g.setColor(new Color(0,0,0,50));
        g.fillOval(0,0, bounds.width, bounds.height);
        for(int i=0, monoChannel=120; i<5; i++, monoChannel=(int)((1-Math.exp(-i))*120+135)){
            g.setColor(new Color(monoChannel,monoChannel,monoChannel,255));
            g.fillOval(i,i,bounds.width-i*3, bounds.height-i*3);
        }
        return bi;
    }

    public static Image getStationIcon(String type, Rectangle bounds){
        BufferedImage bi= new BufferedImage(bounds.width, bounds.height, BufferedImage.TYPE_4BYTE_ABGR);
        Graphics g= bi.getGraphics();
        int qLength = bounds.width*3/5, height = bounds.height, width=bounds.width;
        for(int i=0, monoChannel=0; i<5; i++, monoChannel=(int)((1-Math.exp(-i))*50)){
            g.setColor(new Color(230-monoChannel,230-monoChannel,230-monoChannel,255));
            g.drawPolyline(new int[]{i,i,qLength-i}, new int[]{height-i,i,i}, 3);
            g.fillArc(width-height+i,i,height-2*i,height-2*i,45,180);
            g.setColor(new Color(130+monoChannel,130+monoChannel,130+monoChannel,255));
            g.drawPolyline(new int[]{i,qLength-i,qLength-i}, new int[]{height-i,height-i,i}, 3);
            g.fillArc(width-height+i,i,height-2*i,height-2*i,225,180);
        }
        g.fillRect(5,5,qLength-9,height-9);
        g.fillOval(width-height+5, 5, height-10, height-10);
        return bi;
    }

    public static Image getEdgeIcon(Rectangle bounds, Point[] anglePoints){
        /*creates background image.*/
            BufferedImage bgImage = new BufferedImage(bounds.width,  bounds.height, BufferedImage.TYPE_4BYTE_ABGR);
            Graphics bgGr = bgImage.getGraphics();
            bgGr.setColor(new Color(0,0,0,0));
            bgGr.fillRect(0, 0, bounds.width, bounds.height);
            for(int i=0; i<anglePoints.length-1; i++){
                //Must convert absolute coords to local coords
                int x0 = anglePoints[i].x-bounds.x,
                y0 = anglePoints[i].y-bounds.y,
                x1 = anglePoints[i+1].x-bounds.x,
                y1 = anglePoints[i+1].y-bounds.y;
                bgGr.setColor(Color.BLACK);
                bgGr.drawLine(x0,y0,x1,y1);
                bgGr.setColor(new Color(0,0,0,50));
                bgGr.fillRect(Math.min(x0,x1)-1, Math.min(y0,y1)-1, Math.abs(x1-x0)+2, Math.abs(y1-y0)+2);
            }
        return bgImage;
    }

    public static Image getBGTileIcon(Rectangle bounds){
        BufferedImage bi= new BufferedImage(bounds.width, bounds.height, BufferedImage.TYPE_4BYTE_ABGR);
        Graphics g= bi.getGraphics();
        g.setColor(Color.WHITE);
        g.fillRect(0,0,bounds.width, bounds.height);
        g.setColor(Color.GRAY);
        g.fillRect(0,0,2,2);
        return bi;
    }
}