/[classpath]/classpath/java/awt/Dimension.java
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revision 1.3 by mark, Sun Jan 13 15:45:15 2002 UTC revision 1.4 by tromey, Wed Jan 16 23:10:00 2002 UTC
# Line 1  Line 1 
1  /* Dimension.java -- Class for width and height  /* Copyright (C) 1999, 2000, 2002  Free Software Foundation
    Copyright (C) 1999 Free Software Foundation, Inc.  
2    
3  This file is part of GNU Classpath.  This file is part of GNU Classpath.
4    
# Line 27  executable file might be covered by the Line 26  executable file might be covered by the
26    
27  package java.awt;  package java.awt;
28    
29  /**  /* Written using "Java Class Libraries", 2nd edition, plus online
30    * This class holds a width and height value pair.   * API docs for JDK 1.2 beta from http://www.javasoft.com.
31    *   * Status:  Believed complete and correct, except that neither toString
32    * @author Aaron M. Renn (arenn@urbanophile.com)   * has not been compared with JDK output.
   */  
 public class Dimension implements java.io.Serializable  
 {  
   
 /*  
  * Instance Variables  
  */  
   
 /**  
   * This width of this object.  
   */  
 public int width;  
   
 /**  
   * The height of this object.  
   */  
 public int height;  
   
 /*************************************************************************/  
   
 /*  
  * Constructors  
  */  
   
 /**  
   * Initializes a new instance of <code>Dimension</code> with a width  
   * and height of zero.  
   */  
 public  
 Dimension()  
 {  
 }  
   
 /*************************************************************************/  
   
 /**  
   * Initializes a new instance of <code>Dimension</code> to have a width  
   * and height identical to that of the specified dimension object.  
   *  
   * @param dim The <code>Dimension</code> to take the width and height from.  
   */  
 public  
 Dimension(Dimension dim)  
 {  
   width = dim.width;  
   height = dim.height;  
   
   // Your a dim.width, Beavis!  
 }  
   
 /*************************************************************************/  
   
 /**  
   * Initializes a new instance of <code>Dimension</code> with the  
   * specified width and height.  
   *  
   * @param width The width of this object.  
   * @param height The height of this object.  
   */  
 public  
 Dimension(int width, int height)  
 {  
   this.width = width;  
   this.height = height;  
 }  
   
 /*************************************************************************/  
   
 /*  
  * Instance Methods  
33   */   */
34    
35  /**  /**
36    * Returns the size of this object.  Not very useful.    * This class holds a width and height value pair.
   *  
   * @return This object.  
   */  
 public Dimension  
 getSize()  
 {  
   return(this);  
 }  
   
 /*************************************************************************/  
   
 /**  
   * Sets the width and height of this object to match that of the  
   * specified object.  
   *  
   * @param dim The <code>Dimension</code> object to get the new width and  
   * height from.  
   */  
 public void  
 setSize(Dimension dim)  
 {  
   synchronized(this)  
     {  
       this.width = dim.width;  
       this.height = dim.height;  
     }  
 }  
   
 /*************************************************************************/  
   
 /**  
   * Sets the width and height of this object to the specified values.  
   *  
   * @param width The new width value.  
   * @param height The new height value.  
   */  
 public void  
 setSize(int width, int height)  
 {  
   synchronized(this)  
     {  
       this.width = width;  
       this.height = height;  
     }  
 }  
   
 /*************************************************************************/  
   
 /**  
   * Tests this object for equality against the specified object.  This will  
   * be true if and only if the specified object:  
   * <p>  
   * <ul>  
   * <li>Is not <code>null</code>.  
   * <li>Is an instance of <code>Dimension</code>.  
   * <li>Has width and height values identical to this object.  
   * </ul>  
   *  
   * @param obj The object to test against.  
   *  
   * @return <code>true</code> if the specified object is equal to this  
   * object, <code>false</code> otherwise.  
   */  
 public boolean  
 equals(Object obj)  
 {  
   if (obj == null)  
     return(false);  
   
   if (!(obj instanceof Dimension))  
     return(false);  
   
   Dimension dim = (Dimension)obj;  
   
   if ((dim.width != width) || (dim.height != height))  
     return(false);  
   
   return(true);  
 }  
   
 /*************************************************************************/  
   
 /**  
   * Returns a string representation of this object.  
37    *    *
38    * @return A string representation of this object.    * @author Per Bothner <bothner@cygnus.com>
39      * @author Aaron M. Renn (arenn@urbanophile.com)
40      * @date Fenruary 8, 1999.
41    */    */
42  public String  public class Dimension extends java.awt.geom.Dimension2D
43  toString()    implements java.io.Serializable
44  {  {
45    return(getClass().getName() + "(width=" + width + ", height=" + height +    /**
46           ")");     * This width of this object.
47       */
48      public int width;
49    
50      /**
51       * The height of this object.
52       */
53      public int height;
54    
55      /**
56       * Initializes a new instance of <code>Dimension</code> with a width
57       * and height of zero.
58       */
59      public Dimension () { }
60    
61      /**
62       * Initializes a new instance of <code>Dimension</code> to have a width
63       * and height identical to that of the specified dimension object.
64       *
65       * @param dim The <code>Dimension</code> to take the width and height from.
66       */
67      public Dimension (Dimension dim)
68      {
69        this.width = dim.width;
70        this.height = dim.height;
71      }
72    
73      /**
74       * Initializes a new instance of <code>Dimension</code> with the
75       * specified width and height.
76       *
77       * @param width The width of this object.
78       * @param height The height of this object.
79       */
80      public Dimension (int width, int height)
81      {
82        this.width = width;
83        this.height = height;
84      }
85    
86      /**
87       * Tests this object for equality against the specified object.  This will
88       * be true if and only if the specified object:
89       * <p>
90       * <ul>
91       * <li>Is not <code>null</code>.
92       * <li>Is an instance of <code>Dimension</code>.
93       * <li>Has width and height values identical to this object.
94       * </ul>
95       *
96       * @param obj The object to test against.
97       *
98       * @return <code>true</code> if the specified object is equal to this
99       * object, <code>false</code> otherwise.
100       */
101      public boolean equals (Object obj)
102      {
103        if (! (obj instanceof Dimension))
104          return false;
105        Dimension dim = (Dimension) obj;
106        return height == dim.height && width == dim.width;
107      }
108    
109      /**
110       * Returns the size of this object.  Not very useful.
111       *
112       * @return This object.
113       */
114      public Dimension getSize () { return new Dimension(this); }
115    
116      /**
117       * Sets the width and height of this object to match that of the
118       * specified object.
119       *
120       * @param dim The <code>Dimension</code> object to get the new width and
121       * height from.
122       */
123      public void setSize (Dimension dim)
124      {
125        this.width = dim.width;
126        this.height = dim.height;
127      }
128    
129      /**
130       * Sets the width and height of this object to the specified values.
131       *
132       * @param width The new width value.
133       * @param height The new height value.
134       */
135      public void setSize (int width, int height)
136      {
137        this.width = width;
138        this.height = height;
139      }
140    
141      /**
142       * Returns a string representation of this object.
143       *
144       * @return A string representation of this object.
145       */
146      public String toString ()
147      {
148        return "Dimension[w:"+width+",h:"+height+']';
149      }
150    
151      /* Note:  There is no Dimension.hashCode. */
152    
153      public double getWidth() { return width; }
154      public double getHeight() { return height; }
155    
156      public void setSize (double width, double height)
157      {
158        this.width = (int) width;
159        this.height = (int) height;
160      }
161  }  }
   
 } // class Dimension  
   

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