/// <summary> Changes the current tile, given the new indexes. An
/// IllegalArgumentException is thrown if the indexes do not
/// correspond to a valid tile.
///
/// <P>This default implementation changes the tile in the source
/// and re-initializes properly component transformation variables..
///
/// </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)
{
src.setTile(x, y);
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);
}
}
}
/// <summary> Changes the current tile, given the new indexes. An
/// IllegalArgumentException is thrown if the indexes do not
/// correspond to a valid tile.
///
/// <P>This default implementation changes the tile in the source
/// and re-initializes properly component transformation variables..
///
/// </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)
{
src.setTile(x, y);
tIdx = TileIdx; // index of the current tile
// initializations
int cttype = 0;
if (((System.Int32)cts.getTileDef(tIdx)) == InvCompTransf.NONE)
{
cttype = InvCompTransf.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
cttype = InvCompTransf.INV_RCT;
}
else if (rev == 0)
{
// All WT irreversible
cttype = InvCompTransf.INV_ICT;
}
else
{
// Error
throw new System.ArgumentException("Wavelet transformation " + "and " + "component transformation" + " not coherent in tile" + tIdx);
}
}
switch (cttype)
{
case InvCompTransf.NONE:
rb = utrb;
break;
case InvCompTransf.INV_RCT:
rb = InvCompTransf.calcMixedBitDepths(utrb, InvCompTransf.INV_RCT, null);
break;
case InvCompTransf.INV_ICT:
rb = InvCompTransf.calcMixedBitDepths(utrb, InvCompTransf.INV_ICT, null);
break;
default:
throw new System.ArgumentException("Non JPEG 2000 part I " + "component" + " transformation for tile: " + tIdx);
}
}
