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      1 /*
      2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
      3  *             of Java bytecode.
      4  *
      5  * Copyright (c) 2002-2013 Eric Lafortune (eric (at) graphics.cornell.edu)
      6  *
      7  * This program is free software; you can redistribute it and/or modify it
      8  * under the terms of the GNU General Public License as published by the Free
      9  * Software Foundation; either version 2 of the License, or (at your option)
     10  * any later version.
     11  *
     12  * This program is distributed in the hope that it will be useful, but WITHOUT
     13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
     15  * more details.
     16  *
     17  * You should have received a copy of the GNU General Public License along
     18  * with this program; if not, write to the Free Software Foundation, Inc.,
     19  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
     20  */
     21 package proguard.gui.splash;
     22 
     23 import java.awt.*;
     24 
     25 /**
     26  * This Sprite represents an animated image.
     27  *
     28  * @author Eric Lafortune
     29  */
     30 public class ImageSprite implements Sprite
     31 {
     32     private final Image          image;
     33     private final VariableInt    x;
     34     private final VariableInt    y;
     35     private final VariableDouble scaleX;
     36     private final VariableDouble scaleY;
     37 
     38 
     39     /**
     40      * Creates a new ImageSprite.
     41      * @param image  the Image to be painted.
     42      * @param x      the variable x-coordinate of the upper-left corner of the image.
     43      * @param y      the variable y-coordinate of the upper-left corner of the image.
     44      * @param scaleX the variable x-scale of the image.
     45      * @param scaleY the variable y-scale of the image.
     46      */
     47     public ImageSprite(Image          image,
     48                        VariableInt    x,
     49                        VariableInt    y,
     50                        VariableDouble scaleX,
     51                        VariableDouble scaleY)
     52     {
     53         this.image  = image;
     54         this.x      = x;
     55         this.y      = y;
     56         this.scaleX = scaleX;
     57         this.scaleY = scaleY;
     58     }
     59 
     60 
     61     // Implementation for Sprite.
     62 
     63     public void paint(Graphics graphics, long time)
     64     {
     65         int xt = x.getInt(time);
     66         int yt = y.getInt(time);
     67 
     68         double scale_x = scaleX.getDouble(time);
     69         double scale_y = scaleY.getDouble(time);
     70 
     71         int width  = (int)(image.getWidth(null)  * scale_x);
     72         int height = (int)(image.getHeight(null) * scale_y);
     73 
     74         graphics.drawImage(image, xt, yt, width, height, null);
     75     }
     76 }
     77