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/*
* 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 );
}
}
