Source Code : Static methods for some common painting functions

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Static methods for some common painting functions

     
/*
* @(#)PaintUtils.java  1.0  2008-03-01
*
* Copyright (c) 2008 Jeremy Wood
* E-mail: mickleness@gmail.com
* All rights reserved.
*
* The copyright of this software is owned by Jeremy Wood.
* You may not use, copy or modify this software, except in
* accordance with the license agreement you entered into with
* Jeremy Wood. For details see accompanying license terms.
*/


import java.awt.*;

import javax.swing.*;

/** Some static methods for some common painting functions.
 *
 * @version 1.0
 * @author Jeremy Wood
 **/
public class PaintUtils {

  /** Four shades of white, each with increasing opacity. */
  public final static Color[] whites = new Color[] {
      new Color(255,255,255,50),
      new Color(255,255,255,100),
      new Color(255,255,255,150)
  };
  
  /** Four shades of black, each with increasing opacity. */
  public final static Color[] blacks = new Color[] {
      new Color(0,0,0,50),
      new Color(0,0,0,100),
      new Color(0,0,0,150)
  };
  
  /** @return the color used to indicate when a component has
   * focus.  By default this uses the color (64,113,167), but you can
   * override this by calling:
   * <BR><code>UIManager.put("focusRing",customColor);</code>
   */
  public static Color getFocusRingColor() {
    Object obj = UIManager.getColor("focusRing");
    if(obj instanceof Color)
      return (Color)obj;
    return new Color(64,113,167);
  }
  
  /** Paints 3 different strokes around a shape to indicate focus.
   * The widest stroke is the most transparent, so this achieves a nice
   * "glow" effect.
   * <P>The catch is that you have to render this underneath the shape,
   * and the shape should be filled completely.
   * 
   * @param g the graphics to paint to
   * @param shape the shape to outline
   * @param biggestStroke the widest stroke to use.
   */
  public static void paintFocus(Graphics2D g,Shape shape,int biggestStroke) {
    Color focusColor = getFocusRingColor();
    Color[] focusArray = new Color[] {
      new Color(focusColor.getRed(), focusColor.getGreen(), focusColor.getBlue(),255),
      new Color(focusColor.getRed(), focusColor.getGreen(), focusColor.getBlue(),170),
      new Color(focusColor.getRed(), focusColor.getGreen(), focusColor.getBlue(),110) 
    };
    g.setStroke(new BasicStroke(biggestStroke));
    g.setColor(focusArray[2]);
    g.draw(shape);
    g.setStroke(new BasicStroke(biggestStroke-1));
    g.setColor(focusArray[1]);
    g.draw(shape);
    g.setStroke(new BasicStroke(biggestStroke-2));
    g.setColor(focusArray[0]);
    g.draw(shape);
    g.setStroke(new BasicStroke(1));
  }
  
  /** Uses translucent shades of white and black to draw highlights
   * and shadows around a rectangle, and then frames the rectangle
   * with a shade of gray (120).
   * <P>This should be called to add a finishing touch on top of
   * existing graphics.
   * @param g the graphics to paint to.
   * @param r the rectangle to paint.
   */
  public static void drawBevel(Graphics g,Rectangle r) {
    drawColors(blacks,g, r.x, r.y+r.height, r.x+r.width, r.y+r.height, SwingConstants.SOUTH);
    drawColors(blacks,g, r.x+r.width, r.y, r.x+r.width, r.y+r.height, SwingConstants.EAST);

    drawColors(whites,g, r.x, r.y, r.x+r.width, r.y, SwingConstants.NORTH);
    drawColors(whites,g, r.x, r.y, r.x, r.y+r.height, SwingConstants.WEST);
    
    g.setColor(new Color(120, 120, 120));
    g.drawRect(r.x, r.y, r.width, r.height);
  }
  
  private static void drawColors(Color[] colors,Graphics g,int x1,int y1,int x2,int y2,int direction) {
    for(int a = 0; a<colors.length; a++) {
      g.setColor(colors[colors.length-a-1]);
      if(direction==SwingConstants.SOUTH) {
        g.drawLine(x1, y1-a, x2, y2-a);
      } else if(direction==SwingConstants.NORTH) {
        g.drawLine(x1, y1+a, x2, y2+a);
      } else if(direction==SwingConstants.EAST) {
        g.drawLine(x1-a, y1, x2-a, y2);
      } else if(direction==SwingConstants.WEST) {
        g.drawLine(x1+a, y1, x2+a, y2);
      }
    }
  }
}

   
    
    
    
    
  

Thank with us