public getTilingOrigin ( Coord co ) : Coord | ||
co | Coord | If not null this object is used to return the information. If /// null a new one is created and returned. /// /// |
return | Coord |
/// <summary> Initializes members of this class. This constructor takes a /// HeaderDecoder object. This object must be initialized by the /// constructor of the implementing class from the header of the bit /// stream. /// /// </summary> /// <param name="hd">The decoded header of the bit stream from where to initialize /// the values. /// /// </param> /// <param name="decSpec">The decoder specifications /// /// </param> protected internal BitstreamReaderAgent(HeaderDecoder hd, DecoderSpecs decSpec) { Coord co; //int i, j, max; this.decSpec = decSpec; this.hd = hd; // Number of components nc = hd.NumComps; offX = new int[nc]; offY = new int[nc]; culx = new int[nc]; culy = new int[nc]; // Image size and origin imgW = hd.ImgWidth; imgH = hd.ImgHeight; ax = hd.ImgULX; ay = hd.ImgULY; // Tiles co = hd.getTilingOrigin(null); px = co.x; py = co.y; ntW = hd.NomTileWidth; ntH = hd.NomTileHeight; ntX = (ax + imgW - px + ntW - 1) / ntW; ntY = (ay + imgH - py + ntH - 1) / ntH; nt = ntX * ntY; }