This abstract class represents the forward wavelet transform functional block. The functional block may actually be comprised of several classes linked together, but a subclass of this abstract class is the one that is returned as the functional block that performs the forward wavelet transform.

This class assumes that data is transferred in code-blocks, as defined by the 'CBlkWTDataSrc' interface. The internal calculation of the wavelet transform may be done differently but a buffering class should convert to that type of transfer.

Inheritance: CSJ2K.j2k.image.ImgDataAdapter, ForwWT, CBlkWTDataSrc
ForwardWT Class Documentation
Exemple #1
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        /// <summary> Initializes the header writer with the references to the coding chain.
        /// 
        /// </summary>
        /// <param name="origsrc">The original image data (before any component mixing,
        /// tiling, etc.)
        /// 
        /// </param>
        /// <param name="isorigsig">An array specifying for each component if it was
        /// originally signed or not.
        /// 
        /// </param>
        /// <param name="dwt">The discrete wavelet transform module.
        /// 
        /// </param>
        /// <param name="tiler">The tiler module.
        /// 
        /// </param>
        /// <param name="encSpec">The encoder specifications
        /// 
        /// </param>
        /// <param name="roiSc">The ROI scaler module.
        /// 
        /// </param>
        /// <param name="ralloc">The post compression rate allocator.
        /// 
        /// </param>
        /// <param name="pl">ParameterList instance.
        /// 
        /// </param>
        public HeaderEncoder(ImgData origsrc, bool[] isorigsig, ForwardWT dwt, Tiler tiler, EncoderSpecs encSpec, ROIScaler roiSc, PostCompRateAllocator ralloc, ParameterList pl)
        {
            pl.checkList(OPT_PREFIX, CSJ2K.j2k.util.ParameterList.toNameArray(pinfo));
            if (origsrc.NumComps != isorigsig.Length)
            {
                throw new System.ArgumentException();
            }
            this.origSrc = origsrc;
            this.isOrigSig = isorigsig;
            this.dwt = dwt;
            this.tiler = tiler;
            this.encSpec = encSpec;
            this.roiSc = roiSc;
            this.ralloc = ralloc;

            baos = new System.IO.MemoryStream();
            //UPGRADE_TODO: Class 'java.io.DataOutputStream' was converted to 'System.IO.BinaryWriter' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaioDataOutputStream'"
            hbuf = new CSJ2K.Util.EndianBinaryWriter(baos, true);
            nComp = origsrc.NumComps;
            enJJ2KMarkSeg = pl.getBooleanParameter("Hjj2000_COM");
            otherCOMMarkSeg = pl.getParameter("HCOM");
        }