/*
 
* Copyright (c) 2016, Metron, Inc.
 
* All rights reserved.
 
*
 
* Redistribution and use in source and binary forms, with or without
 
* modification, are permitted provided that the following conditions are met:
 
*
     
* Redistributions of source code must retain the above copyright
 
*
       
notice, this list of conditions and the following disclaimer.
 
*
     
* Redistributions in binary form must reproduce the above copyright
 
*
       
notice, this list of conditions and the following disclaimer in the
 
*
       
documentation and/or other materials provided with the distribution.
 
*
     
* Neither the name of Metron, Inc. nor the
 
*
       
names of its contributors may be used to endorse or promote products
 
*
       
derived from this software without specific prior written permission.
 
*
 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 
* DISCLAIMED. IN NO EVENT SHALL METRON, INC. BE LIABLE FOR ANY
 
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
*/
package com.metsci.glimpse.context;

import java.awt.Dimension;

/**
 
* Simple storage class storing the position and bounds for a {@link GlimpseTarget}.
 
*
 
* @author ulman
 
*/

public class GlimpseBounds
{
    
public static final GlimpseBounds EMPTY_BOUNDS = new GlimpseBounds( 0, 0, 0, 0 );

    
private int x;
    
private int y;
    
private int width;
    
private int height;

    
public GlimpseBounds( Dimension d )
    
{
        
this( 0, 0, d.width, d.height );
    
}

    
public GlimpseBounds( int x, int y, int width, int height )
    
{
        
super( );
        
this.x = x;
        
this.y = y;
        
this.width = width;
        
this.height = height;
    
}

    
public int getX( )
    
{
        
return x;
    
}

    
public int getY( )
    
{
        
return y;
    
}

    
public int getWidth( )
    
{
        
return width;
    
}

    
public int getHeight( )
    
{
        
return height;
    
}

    
public boolean isValid( )
    
{
        
return width > 0 && height > 0;
    
}

    
/**
     
* @param X
     
* @param Y
     
* @return true if the given point falls inside the rectangle formed by the bounds
     
* @see java.awt.Rectangle#inside(int,int)
     
*/

    
public boolean contains( int X, int Y )
    
{
        
int w = this.width;
        
int h = this.height;
        
if ( ( w | h ) < 0 )
        
{
            
// At least one of the dimensions is negative...
            
return false;
        
}
        
// Note: if either dimension is zero, tests below must return false...
        
int x = this.x;
        
int y = this.y;
        
if ( X < x || Y < y )
        
{
            
return false;
        
}
        
w += x;
        
h += y;
        
//
    
overflow || intersect
        
return ( ( w < x || w > X ) && ( h < y || h > Y ) );
    
}

    
@Override
    
public int hashCode( )
    
{
        
final int prime = 31;
        
int result = 1;
        
result = prime * result + height;
        
result = prime * result + width;
        
result = prime * result + x;
        
result = prime * result + y;
        
return result;
    
}

    
@Override
    
public boolean equals( Object obj )
    
{
        
if ( this == obj ) return true;
        
if ( obj == null ) return false;
        
if ( getClass( ) != obj.getClass( ) ) return false;
        
GlimpseBounds other = ( GlimpseBounds ) obj;
        
if ( height != other.height ) return false;
        
if ( width != other.width ) return false;
        
if ( x != other.x ) return false;
        
if ( y != other.y ) return false;
        
return true;
    
}

    
@Override
    
public String toString( )
    
{
        
return String.format( "%d,%d,%d,%d", x, y, width, height );
    
}
}