corrade-vassal – Rev 1
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/*
* CVS identifier:
*
* $Id: ROI.java,v 1.3 2001/01/03 15:08:15 qtxjoas Exp $
*
* Class: ROI
*
* Description: This class describes a single ROI
*
*
*
* COPYRIGHT:
*
* This software module was originally developed by Raphaël Grosbois and
* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
* Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
* Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
* Centre France S.A) in the course of development of the JPEG2000
* standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
* software module is an implementation of a part of the JPEG 2000
* Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
* Systems AB and Canon Research Centre France S.A (collectively JJ2000
* Partners) agree not to assert against ISO/IEC and users of the JPEG
* 2000 Standard (Users) any of their rights under the copyright, not
* including other intellectual property rights, for this software module
* with respect to the usage by ISO/IEC and Users of this software module
* or modifications thereof for use in hardware or software products
* claiming conformance to the JPEG 2000 Standard. Those intending to use
* this software module in hardware or software products are advised that
* their use may infringe existing patents. The original developers of
* this software module, JJ2000 Partners and ISO/IEC assume no liability
* for use of this software module or modifications thereof. No license
* or right to this software module is granted for non JPEG 2000 Standard
* conforming products. JJ2000 Partners have full right to use this
* software module for his/her own purpose, assign or donate this
* software module to any third party and to inhibit third parties from
* using this software module for non JPEG 2000 Standard conforming
* products. This copyright notice must be included in all copies or
* derivative works of this software module.
*
* Copyright (c) 1999/2000 JJ2000 Partners.
*/
using System;
using CSJ2K.j2k.codestream.writer;
using CSJ2K.j2k.wavelet.analysis;
using CSJ2K.j2k.quantization;
using CSJ2K.j2k.image.input;
using CSJ2K.j2k.wavelet;
using CSJ2K.j2k.image;
using CSJ2K.j2k.util;
using CSJ2K.j2k.roi;
namespace CSJ2K.j2k.roi.encoder
{
/// <summary> This class contains the shape of a single ROI. In the current
/// implementation only rectangles and circles are supported.
///
/// </summary>
/// <seealso cref="ROIMaskGenerator">
/// </seealso>
public class ROI
{
/// <summary>ImgReaderPGM object with the arbrtrary ROI </summary>
public ImgReaderPGM maskPGM = null;
/// <summary>Where or not the ROI shape is arbitrary </summary>
public bool arbShape;
/// <summary>Flag indicating whether the ROI is rectangular or not </summary>
public bool rect;
/// <summary>The components for which the ROI is relevant </summary>
public int comp;
/// <summary>x coordinate of upper left corner of rectangular ROI </summary>
public int ulx;
/// <summary>y coordinate of upper left corner of rectangular ROI </summary>
public int uly;
/// <summary>width of rectangular ROI </summary>
public int w;
/// <summary>height of rectangular ROI </summary>
public int h;
/// <summary>x coordinate of center of circular ROI </summary>
public int x;
/// <summary>y coordinate of center of circular ROI </summary>
public int y;
/// <summary>radius of circular ROI </summary>
public int r;
/// <summary> Constructor for ROI with arbitrary shape
///
/// </summary>
/// <param name="comp">The component the ROI belongs to
///
/// </param>
/// <param name="maskPGM">ImgReaderPGM containing the ROI
/// </param>
public ROI(int comp, ImgReaderPGM maskPGM)
{
arbShape = true;
rect = false;
this.comp = comp;
this.maskPGM = maskPGM;
}
/// <summary> Constructor for rectangular ROIs
///
/// </summary>
/// <param name="comp">The component the ROI belongs to
///
/// </param>
/// <param name="x">x-coordinate of upper left corner of ROI
///
/// </param>
/// <param name="y">y-coordinate of upper left corner of ROI
///
/// </param>
/// <param name="w">width of ROI
///
/// </param>
/// <param name="h">height of ROI
/// </param>
public ROI(int comp, int ulx, int uly, int w, int h)
{
arbShape = false;
this.comp = comp;
this.ulx = ulx;
this.uly = uly;
this.w = w;
this.h = h;
rect = true;
}
/// <summary> Constructor for circular ROIs
///
/// </summary>
/// <param name="comp">The component the ROI belongs to
///
/// </param>
/// <param name="x">x-coordinate of center of ROI
///
/// </param>
/// <param name="y">y-coordinate of center of ROI
///
/// </param>
/// <param name="w">radius of ROI
/// </param>
public ROI(int comp, int x, int y, int rad)
{
arbShape = false;
this.comp = comp;
this.x = x;
this.y = y;
this.r = rad;
}
/// <summary> This function prints all relevant data for the ROI</summary>
public override System.String ToString()
{
if (arbShape)
{
return "ROI with arbitrary shape, PGM file= " + maskPGM;
}
else if (rect)
return "Rectangular ROI, comp=" + comp + " ulx=" + ulx + " uly=" + uly + " w=" + w + " h=" + h;
else
return "Circular ROI, comp=" + comp + " x=" + x + " y=" + y + " radius=" + r;
}
}
}
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