corrade-vassal – Rev 1
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/*
* CVS Identifier:
*
* $Id: DataBlkFloat.java,v 1.7 2001/10/09 12:52:01 grosbois Exp $
*
* Interface: DataBlkFloat
*
* Description: A float implementation of DataBlk
*
*
*
* 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;
namespace CSJ2K.j2k.image
{
/// <summary> This is an implementation of the <tt>DataBlk</tt> interface for 32 bit
/// floating point data (float).
///
/// <p>The methods in this class are declared final, so that they can be
/// inlined by inlining compilers.</p>
///
/// </summary>
/// <seealso cref="DataBlk">
///
/// </seealso>
public class DataBlkFloat:DataBlk
{
/// <summary> Returns the identifier of this data type, <tt>TYPE_FLOAT</tt>, as
/// defined in <tt>DataBlk</tt>.
///
/// </summary>
/// <returns> The type of data stored. Always <tt>DataBlk.TYPE_FLOAT</tt>
///
/// </returns>
/// <seealso cref="DataBlk.TYPE_FLOAT">
///
/// </seealso>
override public int DataType
{
get
{
return TYPE_FLOAT;
}
}
//UPGRADE_NOTE: Respective javadoc comments were merged. It should be changed in order to comply with .NET documentation conventions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1199'"
/// <summary> Returns the array containing the data, or null if there is no data
/// array. The returned array is a float array.
///
/// </summary>
/// <returns> The array of data (a float[]) or null if there is no data.
///
/// </returns>
/// <summary> Sets the data array to the specified one. The provided array must be a
/// float array, otherwise a ClassCastException is thrown. The size of the
/// array is not checked for consistency with the block's dimensions.
///
/// </summary>
/// <param name="arr">The data array to use. Must be a float array.
///
/// </param>
override public System.Object Data
{
get
{
return data;
}
set
{
data = (float[]) value;
}
}
//UPGRADE_NOTE: Respective javadoc comments were merged. It should be changed in order to comply with .NET documentation conventions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1199'"
/// <summary> Returns the array containing the data, or null if there is no data
/// array.
///
/// </summary>
/// <returns> The array of data or null if there is no data.
///
/// </returns>
/// <summary> Sets the data array to the specified one. The size of the array is not
/// checked for consistency with the block's dimensions.
///
/// </summary>
/// <param name="arr">The data array to use.
///
/// </param>
virtual public float[] DataFloat
{
get
{
return data;
}
set
{
data = value;
}
}
/// <summary>The array where the data is stored </summary>
private float[] data;
/// <summary> Creates a DataBlkFloat with 0 dimensions and no data array
/// (i.e. data is null).
///
/// </summary>
public DataBlkFloat()
{
}
/// <summary> Creates a DataBlkFloat with the specified dimensions and position. The
/// data array is initialized to an array of size w*h.
///
/// </summary>
/// <param name="ulx">The horizontal coordinate of the upper-left corner of the
/// block
///
/// </param>
/// <param name="uly">The vertical coordinate of the upper-left corner of the
/// block
///
/// </param>
/// <param name="w">The width of the block (in pixels)
///
/// </param>
/// <param name="h">The height of the block (in pixels)
///
/// </param>
public DataBlkFloat(int ulx, int uly, int w, int h)
{
this.ulx = ulx;
this.uly = uly;
this.w = w;
this.h = h;
offset = 0;
scanw = w;
data = new float[w * h];
}
/// <summary> Copy constructor. Creates a DataBlkFloat which is the copy of the
/// DataBlkFloat given as paramter.
///
/// </summary>
/// <param name="DataBlkFloat">the object to be copied.
///
/// </param>
public DataBlkFloat(DataBlkFloat src)
{
this.ulx = src.ulx;
this.uly = src.uly;
this.w = src.w;
this.h = src.h;
this.offset = 0;
this.scanw = this.w;
this.data = new float[this.w * this.h];
for (int i = 0; i < this.h; i++)
Array.Copy(src.data, i * src.scanw, this.data, i * this.scanw, this.w);
}
/// <summary> Returns a string of informations about the DataBlkInt.
///
/// </summary>
public override System.String ToString()
{
System.String str = base.ToString();
if (data != null)
{
str += (",data=" + data.Length + " bytes");
}
return str;
}
}
}
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