/// <summary> Goes to the next tile, in standard scan-line order (by rows then by
/// columns). An NoNextElementException is thrown if the current tile is
/// the last one (i.e. there is no next tile).
///
/// <p>This default implementation just advances to the next tile in the
/// source and re-initializes properly component transformation
/// variables.</p>
///
/// </summary>
public override void nextTile()
{
src.nextTile();
tIdx = TileIdx; // index of the current tile
// initializations
System.String str = (System.String)cts.getTileDef(tIdx);
if (str.Equals("none"))
{
transfType = NONE;
}
else if (str.Equals("rct"))
{
transfType = FORW_RCT;
initForwRCT();
}
else if (str.Equals("ict"))
{
transfType = FORW_ICT;
initForwICT();
}
else
{
throw new System.ArgumentException("Component transformation" + " not recognized");
}
}
/// <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).
///
/// <P>This default implementation just advances to the next tile
/// in the source and re-initializes properly component
/// transformation variables.
///
///
/// </summary>
public override void nextTile()
{
src.nextTile();
tIdx = TileIdx; // index of the current tile
// initializations
if (((System.Int32)cts.getTileDef(tIdx)) == NONE)
{
transfType = NONE;
}
else
{
int nc = src.NumComps > 3?3:src.NumComps;
int rev = 0;
for (int c = 0; c < nc; c++)
{
rev += (wfs.isReversible(tIdx, c)?1:0);
}
if (rev == 3)
{
// All WT are reversible
transfType = INV_RCT;
}
else if (rev == 0)
{
// All WT irreversible
transfType = INV_ICT;
}
else
{
// Error
throw new System.ArgumentException("Wavelet transformation and " + "component transformation" + " not coherent in tile" + tIdx);
}
}
}
