corrade-vassal – Rev 1
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/*
* CVS identifier:
*
* $Id: ROIScaler.java,v 1.11 2001/09/20 12:42:20 grosbois Exp $
*
* Class: ROIScaler
*
* Description: This class takes care of the scaling of the
* samples
*
*
*
* 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.quantization.quantizer;
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.encoder;
using CSJ2K.j2k.image;
using CSJ2K.j2k.util;
using CSJ2K.j2k.roi;
using CSJ2K.j2k;
namespace CSJ2K.j2k.roi.encoder
{
/// <summary> This class deals with the ROI functionality.
///
/// <p>The ROI method is the Maxshift method. The ROIScaler works by scaling
/// the quantized wavelet coefficients that do not affect the ROI (i.e
/// background coefficients) so that these samples get a lower significance
/// than the ROI ones. By scaling the coefficients sufficiently, the ROI
/// coefficients can be recognized by their amplitude alone and no ROI mask
/// needs to be generated at the decoder side.
///
/// <p>The source module must be a quantizer and code-block's data is exchange
/// with thanks to CBlkWTData instances.
///
/// </summary>
/// <seealso cref="Quantizer">
/// </seealso>
/// <seealso cref="CBlkWTData">
///
/// </seealso>
public class ROIScaler:ImgDataAdapter, CBlkQuantDataSrcEnc
{
/// <summary> Returns the horizontal offset of the code-block partition. Allowable
/// values are 0 and 1, nothing else.
///
/// </summary>
virtual public int CbULX
{
get
{
return src.CbULX;
}
}
/// <summary> Returns the vertical offset of the code-block partition. Allowable
/// values are 0 and 1, nothing else.
///
/// </summary>
virtual public int CbULY
{
get
{
return src.CbULY;
}
}
/// <summary> This function returns the ROI mask generator.
///
/// </summary>
/// <returns> The roi mask generator
/// </returns>
virtual public ROIMaskGenerator ROIMaskGenerator
{
get
{
return mg;
}
}
/// <summary> This function returns the blockAligned flag
///
/// </summary>
/// <returns> Flag indicating whether the ROIs were block aligned
/// </returns>
virtual public bool BlockAligned
{
get
{
return blockAligned;
}
}
/// <summary> Returns the parameters that are used in this class and
/// implementing classes. It returns a 2D String array. Each of the
/// 1D arrays is for a different option, and they have 3
/// elements. The first element is the option name, the second one
/// is the synopsis, the third one is a long description of what
/// the parameter is and the fourth is its default value. The
/// synopsis or description may be 'null', in which case it is
/// assumed that there is no synopsis or description of the option,
/// respectively. Null may be returned if no options are supported.
///
/// </summary>
/// <returns> the options name, their synopsis and their explanation,
/// or null if no options are supported.
///
/// </returns>
public static System.String[][] ParameterInfo
{
get
{
return pinfo;
}
}
/// <summary>The prefix for ROI Scaler options: 'R' </summary>
public const char OPT_PREFIX = 'R';
/// <summary>The list of parameters that are accepted for ROI coding. Options
/// for ROI Scaler start with 'R'.
/// </summary>
//UPGRADE_NOTE: Final was removed from the declaration of 'pinfo'. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"
private static readonly System.String[][] pinfo = new System.String[][]{new System.String[]{"Rroi", "[<component idx>] R <left> <top> <width> <height>" + " or [<component idx>] C <centre column> <centre row> " + "<radius> or [<component idx>] A <filename>", "Specifies ROIs shape and location. The shape can be either " + "rectangular 'R', or circular 'C' or arbitrary 'A'. " + "Each new occurrence of an 'R', a 'C' or an 'A' is a new ROI. " + "For circular and rectangular ROIs, all values are " + "given as their pixel values relative to the canvas origin. " + "Arbitrary shapes must be included in a PGM file where non 0 " + "values correspond to ROI coefficients. The PGM file must have " + "the size as the image. " + "The component idx specifies which components " + "contain the ROI. The component index is specified as described " + "by points 3 and 4 in the general comment on tile-component idx. " + "If this option is used, the codestream is layer progressive by " + "default unless it is overridden by the 'Aptype' option.", null}, new System.String[]{"Ralign", "[on|off]", "By specifying this argument, the ROI mask will be " + "limited to covering only entire code-blocks. The ROI coding can " + "then be performed without any actual scaling of the coefficients " + "but by instead scaling the distortion estimates.", "off"}, new System.String[]{"Rstart_level", "<level>", "This argument forces the lowest <level> resolution levels to " + "belong to the ROI. By doing this, it is possible to avoid only " + "getting information for the ROI at an early stage of " + "transmission.<level> = 0 means the lowest resolution level " + "belongs to the ROI, 1 means the two lowest etc. (-1 deactivates" + " the option)", "-1"}, new System.String[]{"Rno_rect", "[on|off]", "This argument makes sure that the ROI mask generation is not done " + "using the fast ROI mask generation for rectangular ROIs " + "regardless of whether the specified ROIs are rectangular or not", "off"}};
/// <summary>The maximum number of magnitude bit-planes in any subband. One value
/// for each tile-component
/// </summary>
private int[][] maxMagBits;
/// <summary>Flag indicating the presence of ROIs </summary>
private bool roi;
/// <summary>Flag indicating if block aligned ROIs are used </summary>
private bool blockAligned;
/// <summary>Number of resolution levels to include in ROI mask </summary>
private int useStartLevel;
/// <summary>The class generating the ROI mask </summary>
private ROIMaskGenerator mg;
/// <summary>The ROI mask </summary>
private DataBlkInt roiMask;
/// <summary>The source of quantized wavelet transform coefficients </summary>
private Quantizer src;
/// <summary> Constructor of the ROI scaler, takes a Quantizer as source of data to
/// scale.
///
/// </summary>
/// <param name="src">The quantizer that is the source of data.
///
/// </param>
/// <param name="mg">The mask generator that will be used for all components
///
/// </param>
/// <param name="roi">Flag indicating whether there are rois specified.
///
/// </param>
/// <param name="sLev">The resolution levels that belong entirely to ROI
///
/// </param>
/// <param name="uba">Flag indicating whether block aligning is used.
///
/// </param>
/// <param name="encSpec">The encoder specifications for addition of roi specs
///
/// </param>
public ROIScaler(Quantizer src, ROIMaskGenerator mg, bool roi, int sLev, bool uba, EncoderSpecs encSpec):base(src)
{
this.src = src;
this.roi = roi;
this.useStartLevel = sLev;
if (roi)
{
// If there is no ROI, no need to do this
this.mg = mg;
roiMask = new DataBlkInt();
calcMaxMagBits(encSpec);
blockAligned = uba;
}
}
/// <summary> Since ROI scaling is always a reversible operation, it calls
/// isReversible() method of it source (the quantizer module).
///
/// </summary>
/// <param name="t">The tile to test for reversibility
///
/// </param>
/// <param name="c">The component to test for reversibility
///
/// </param>
/// <returns> True if the quantized data is reversible, false if not.
///
/// </returns>
public virtual bool isReversible(int t, int c)
{
return src.isReversible(t, c);
}
/// <summary> Returns a reference to the subband tree structure representing the
/// subband decomposition for the specified tile-component.
///
/// </summary>
/// <param name="t">The index of the tile.
///
/// </param>
/// <param name="c">The index of the component.
///
/// </param>
/// <returns> The subband tree structure, see SubbandAn.
///
/// </returns>
/// <seealso cref="SubbandAn">
///
/// </seealso>
/// <seealso cref="Subband">
///
/// </seealso>
public virtual SubbandAn getAnSubbandTree(int t, int c)
{
return src.getAnSubbandTree(t, c);
}
/// <summary> Creates a ROIScaler object. The Quantizer is the source of data to
/// scale.
///
/// <p>The ROI Scaler creates a ROIMaskGenerator depending on what ROI
/// information is in the ParameterList. If only rectangular ROI are used,
/// the fast mask generator for rectangular ROI can be used.</p>
///
/// </summary>
/// <param name="src">The source of data to scale
///
/// </param>
/// <param name="pl">The parameter list (or options).
///
/// </param>
/// <param name="encSpec">The encoder specifications for addition of roi specs
///
/// </param>
/// <exception cref="IllegalArgumentException">If an error occurs while parsing
/// the options in 'pl'
///
/// </exception>
public static ROIScaler createInstance(Quantizer src, ParameterList pl, EncoderSpecs encSpec)
{
System.Collections.ArrayList roiVector = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
ROIMaskGenerator maskGen = null;
// Check parameters
pl.checkList(OPT_PREFIX, CSJ2K.j2k.util.ParameterList.toNameArray(pinfo));
// Get parameters and check if there are and ROIs specified
System.String roiopt = pl.getParameter("Rroi");
if (roiopt == null)
{
// No ROIs specified! Create ROIScaler with no mask generator
return new ROIScaler(src, null, false, - 1, false, encSpec);
}
// Check if the lowest resolution levels should belong to the ROI
int sLev = pl.getIntParameter("Rstart_level");
// Check if the ROIs are block-aligned
bool useBlockAligned = pl.getBooleanParameter("Ralign");
// Check if generic mask generation is specified
bool onlyRect = !pl.getBooleanParameter("Rno_rect");
// Parse the ROIs
parseROIs(roiopt, src.NumComps, roiVector);
ROI[] roiArray = new ROI[roiVector.Count];
roiVector.CopyTo(roiArray);
// If onlyRect has been forced, check if there are any non-rectangular
// ROIs specified. Currently, only the presence of circular ROIs will
// make this false
if (onlyRect)
{
for (int i = roiArray.Length - 1; i >= 0; i--)
if (!roiArray[i].rect)
{
onlyRect = false;
break;
}
}
if (onlyRect)
{
// It's possible to use the fast ROI mask generation when only
// rectangular ROIs are specified.
maskGen = new RectROIMaskGenerator(roiArray, src.NumComps);
}
else
{
// It's necessary to use the generic mask generation
maskGen = new ArbROIMaskGenerator(roiArray, src.NumComps, src);
}
return new ROIScaler(src, maskGen, true, sLev, useBlockAligned, encSpec);
}
/// <summary> This function parses the values given for the ROIs with the argument
/// -Rroi. Currently only circular and rectangular ROIs are supported.
///
/// <p>A rectangular ROI is indicated by a 'R' followed the coordinates for
/// the upper left corner of the ROI and then its width and height.</p>
///
/// <p>A circular ROI is indicated by a 'C' followed by the coordinates of
/// the circle center and then the radius.</p>
///
/// <p>Before the R and C values, the component that are affected by the
/// ROI are indicated.</p>
///
/// </summary>
/// <param name="roiopt">The info on the ROIs
///
/// </param>
/// <param name="nc">number of components
///
/// </param>
/// <param name="roiVector">The vcector containing the ROI parsed from the cmd line
///
/// </param>
/// <returns> The ROIs specified in roiopt
///
/// </returns>
protected internal static System.Collections.ArrayList parseROIs(System.String roiopt, int nc, System.Collections.ArrayList roiVector)
{
//ROI[] ROIs;
ROI roi;
SupportClass.Tokenizer stok;
//char tok;
int nrOfROIs = 0;
//char c;
int ulx, uly, w, h, x, y, rad; // comp removed
bool[] roiInComp = null;
stok = new SupportClass.Tokenizer(roiopt);
System.String word;
while (stok.HasMoreTokens())
{
word = stok.NextToken();
switch (word[0])
{
case 'c': // Components specification
roiInComp = ModuleSpec.parseIdx(word, nc);
break;
case 'R': // Rectangular ROI to be read
nrOfROIs++;
try
{
word = stok.NextToken();
ulx = (System.Int32.Parse(word));
word = stok.NextToken();
uly = (System.Int32.Parse(word));
word = stok.NextToken();
w = (System.Int32.Parse(word));
word = stok.NextToken();
h = (System.Int32.Parse(word));
}
catch (System.FormatException)
{
throw new System.ArgumentException("Bad parameter for " + "'-Rroi R' option : " + word);
}
catch (System.ArgumentOutOfRangeException)
{
throw new System.ArgumentException("Wrong number of " + "parameters for " + "h'-Rroi R' option.");
}
// If the ROI is component-specific, check which comps.
if (roiInComp != null)
for (int i = 0; i < nc; i++)
{
if (roiInComp[i])
{
roi = new ROI(i, ulx, uly, w, h);
roiVector.Add(roi);
}
}
else
{
// Otherwise add ROI for all components
for (int i = 0; i < nc; i++)
{
roi = new ROI(i, ulx, uly, w, h);
roiVector.Add(roi);
}
}
break;
case 'C': // Circular ROI to be read
nrOfROIs++;
try
{
word = stok.NextToken();
x = (System.Int32.Parse(word));
word = stok.NextToken();
y = (System.Int32.Parse(word));
word = stok.NextToken();
rad = (System.Int32.Parse(word));
}
catch (System.FormatException)
{
throw new System.ArgumentException("Bad parameter for " + "'-Rroi C' option : " + word);
}
catch (System.ArgumentOutOfRangeException)
{
throw new System.ArgumentException("Wrong number of " + "parameters for " + "'-Rroi C' option.");
}
// If the ROI is component-specific, check which comps.
if (roiInComp != null)
for (int i = 0; i < nc; i++)
{
if (roiInComp[i])
{
roi = new ROI(i, x, y, rad);
roiVector.Add(roi);
}
}
else
{
// Otherwise add ROI for all components
for (int i = 0; i < nc; i++)
{
roi = new ROI(i, x, y, rad);
roiVector.Add(roi);
}
}
break;
case 'A': // ROI wth arbitrary shape
nrOfROIs++;
System.String filename;
ImgReaderPGM maskPGM = null;
try
{
filename = stok.NextToken();
}
catch (System.ArgumentOutOfRangeException)
{
throw new System.ArgumentException("Wrong number of " + "parameters for " + "'-Rroi A' option.");
}
try
{
maskPGM = new ImgReaderPGM(filename);
}
catch (System.IO.IOException)
{
throw new System.ApplicationException("Cannot read PGM file with ROI");
}
// If the ROI is component-specific, check which comps.
if (roiInComp != null)
for (int i = 0; i < nc; i++)
{
if (roiInComp[i])
{
roi = new ROI(i, maskPGM);
roiVector.Add(roi);
}
}
else
{
// Otherwise add ROI for all components
for (int i = 0; i < nc; i++)
{
roi = new ROI(i, maskPGM);
roiVector.Add(roi);
}
}
break;
default:
throw new System.ApplicationException("Bad parameters for ROI nr " + roiVector.Count);
}
}
return roiVector;
}
/// <summary> This function gets a datablk from the entropy coder. The sample sin the
/// block, which consists of the quantized coefficients from the quantizer,
/// are scaled by the values given for any ROIs specified.
///
/// <p>The function calls on a ROIMaskGenerator to get the mask for scaling
/// the coefficients in the current block.</p>
///
/// <p>The data returned by this method is a copy of the orignal
/// data. Therfore it can be modified "in place" without any problems after
/// being returned. The 'offset' of the returned data is 0, and the 'scanw'
/// is the same as the code-block width. See the 'CBlkWTData' class.</p>
///
/// </summary>
/// <param name="c">The component for which to return the next code-block.
///
/// </param>
/// <param name="cblk">If non-null this object will be used to return the new
/// code-block. If null a new one will be allocated and returned. If the
/// "data" array of the object is non-null it will be reused, if possible,
/// to return the data.
///
/// </param>
/// <returns> The next code-block in the current tile for component 'n', or
/// null if all code-blocks for the current tile have been returned.
///
/// </returns>
/// <seealso cref="CBlkWTData">
///
/// </seealso>
public virtual CBlkWTData getNextCodeBlock(int c, CBlkWTData cblk)
{
return getNextInternCodeBlock(c, cblk);
}
/// <summary> This function gets a datablk from the entropy coder. The sample sin the
/// block, which consists of the quantized coefficients from the quantizer,
/// are scaled by the values given for any ROIs specified.
///
/// <p>The function calls on a ROIMaskGenerator to get the mask for scaling
/// the coefficients in the current block.</p>
///
/// </summary>
/// <param name="c">The component for which to return the next code-block.
///
/// </param>
/// <param name="cblk">If non-null this object will be used to return the new
/// code-block. If null a new one will be allocated and returned. If the
/// "data" array of the object is non-null it will be reused, if possible,
/// to return the data.
///
/// </param>
/// <returns> The next code-block in the current tile for component 'n', or
/// null if all code-blocks for the current tile have been returned.
///
/// </returns>
/// <seealso cref="CBlkWTData">
///
/// </seealso>
public virtual CBlkWTData getNextInternCodeBlock(int c, CBlkWTData cblk)
{
int mi, i, j, k, wrap;
int ulx, uly, w, h;
DataBlkInt mask = roiMask; // local copy of mask
int[] maskData; // local copy of mask data
int[] data; // local copy of quantized data
int tmp;
int bitMask = 0x7FFFFFFF;
SubbandAn root, sb;
int maxBits = 0; // local copy
bool roiInTile;
bool sbInMask;
int nROIcoeff = 0;
// Get codeblock's data from quantizer
cblk = src.getNextCodeBlock(c, cblk);
// If there is no ROI in the image, or if we already got all
// code-blocks
if (!roi || cblk == null)
{
return cblk;
}
data = (int[]) cblk.Data;
sb = cblk.sb;
ulx = cblk.ulx;
uly = cblk.uly;
w = cblk.w;
h = cblk.h;
sbInMask = (sb.resLvl <= useStartLevel);
// Check that there is an array for the mask and set it to zero
maskData = mask.DataInt; // local copy of mask data
if (maskData == null || w * h > maskData.Length)
{
maskData = new int[w * h];
mask.DataInt = maskData;
}
else
{
for (i = w * h - 1; i >= 0; i--)
maskData[i] = 0;
}
mask.ulx = ulx;
mask.uly = uly;
mask.w = w;
mask.h = h;
// Get ROI mask from generator
root = src.getAnSubbandTree(tIdx, c);
maxBits = maxMagBits[tIdx][c];
roiInTile = mg.getROIMask(mask, root, maxBits, c);
// If there is no ROI in this tile, return the code-block untouched
if (!roiInTile && (!sbInMask))
{
cblk.nROIbp = 0;
return cblk;
}
// Update field containing the number of ROI magnitude bit-planes
cblk.nROIbp = cblk.magbits;
// If the entire subband belongs to the ROI mask, The code-block is
// set to belong entirely to the ROI with the highest scaling value
if (sbInMask)
{
// Scale the wmse so that instead of scaling the coefficients, the
// wmse is scaled.
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
cblk.wmseScaling *= (float) (1 << (maxBits << 1));
cblk.nROIcoeff = w * h;
return cblk;
}
// In 'block aligned' mode, the code-block is set to belong entirely
// to the ROI with the highest scaling value if one coefficient, at
// least, belongs to the ROI
if (blockAligned)
{
wrap = cblk.scanw - w;
mi = h * w - 1;
i = cblk.offset + cblk.scanw * (h - 1) + w - 1;
int nroicoeff = 0;
for (j = h; j > 0; j--)
{
for (k = w - 1; k >= 0; k--, i--, mi--)
{
if (maskData[mi] != 0)
{
nroicoeff++;
}
}
i -= wrap;
}
if (nroicoeff != 0)
{
// Include the subband
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
cblk.wmseScaling *= (float) (1 << (maxBits << 1));
cblk.nROIcoeff = w * h;
}
return cblk;
}
// Scale background coefficients
bitMask = (((1 << cblk.magbits) - 1) << (31 - cblk.magbits));
wrap = cblk.scanw - w;
mi = h * w - 1;
i = cblk.offset + cblk.scanw * (h - 1) + w - 1;
for (j = h; j > 0; j--)
{
for (k = w; k > 0; k--, i--, mi--)
{
tmp = data[i];
if (maskData[mi] != 0)
{
// ROI coeff. We need to erase fractional bits to ensure
// that they do not conflict with BG coeffs. This is only
// strictly necessary for ROI coeffs. which non-fractional
// magnitude is zero, but much better BG quality can be
// achieved if done if reset to zero since coding zeros is
// much more efficient (the entropy coder knows nothing
// about ROI and cannot avoid coding the ROI fractional
// bits, otherwise this would not be necessary).
data[i] = (unchecked((int) 0x80000000) & tmp) | (tmp & bitMask);
nROIcoeff++;
}
else
{
// BG coeff. it is not necessary to erase fractional bits
data[i] = (unchecked((int) 0x80000000) & tmp) | ((tmp & 0x7FFFFFFF) >> maxBits);
}
}
i -= wrap;
}
// Modify the number of significant bit-planes in the code-block
cblk.magbits += maxBits;
// Store the number of ROI coefficients present in the code-block
cblk.nROIcoeff = nROIcoeff;
return cblk;
}
/// <summary> This function returns the flag indicating if any ROI functionality used
///
/// </summary>
/// <returns> Flag indicating whether there are ROIs in the image
/// </returns>
public virtual bool useRoi()
{
return roi;
}
/// <summary> Changes the current tile, given the new indexes. An
/// IllegalArgumentException is thrown if the indexes do not
/// correspond to a valid tile.
///
/// </summary>
/// <param name="x">The horizontal index of the tile.
///
/// </param>
/// <param name="y">The vertical index of the new tile.
///
/// </param>
public override void setTile(int x, int y)
{
base.setTile(x, y);
if (roi)
mg.tileChanged();
}
/// <summary> Advances to the next tile, in standard scan-line order (by rows then
/// columns). An NoNextElementException is thrown if the current tile is
/// the last one (i.e. there is no next tile).
///
/// </summary>
public override void nextTile()
{
base.nextTile();
if (roi)
mg.tileChanged();
}
/// <summary> Calculates the maximum amount of magnitude bits for each
/// tile-component, and stores it in the 'maxMagBits' array. This is called
/// by the constructor
///
/// </summary>
/// <param name="encSpec">The encoder specifications for addition of roi specs
///
/// </param>
private void calcMaxMagBits(EncoderSpecs encSpec)
{
int tmp;
MaxShiftSpec rois = encSpec.rois;
int nt = src.getNumTiles();
int nc = src.NumComps;
maxMagBits = new int[nt][];
for (int i = 0; i < nt; i++)
{
maxMagBits[i] = new int[nc];
}
src.setTile(0, 0);
for (int t = 0; t < nt; t++)
{
for (int c = nc - 1; c >= 0; c--)
{
tmp = src.getMaxMagBits(c);
maxMagBits[t][c] = tmp;
rois.setTileCompVal(t, c, (System.Object) tmp);
}
if (t < nt - 1)
src.nextTile();
}
// Reset to current initial tile position
src.setTile(0, 0);
}
}
}
Generated by GNU Enscript 1.6.5.90.