/**
* 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 method resets the 'subbTrees' array, and recalculates the values of the 'reversible'
* array. It also resets the decomposed component buffers.
*/
public void nextTile() {
int i;
// Change tile
super.nextTile();
// Reset the decomposed component buffers
if (decomposedComps != null) {
for (i = decomposedComps.length - 1; i >= 0; i--) {
decomposedComps[i] = null;
currentSubband[i] = null;
}
}
}
/**
* Changes the current tile, given the new coordinates.
*
* <p>This method resets the 'subbTrees' array, and recalculates the values of the 'reversible'
* array. It also resets the decomposed component buffers.
*
* @param x The horizontal coordinate of the tile.
* @param y The vertical coordinate of the new tile.
*/
public void setTile(int x, int y) {
int i;
// Change tile
super.setTile(x, y);
// Reset the decomposed component buffers.
if (decomposedComps != null) {
for (i = decomposedComps.length - 1; i >= 0; i--) {
decomposedComps[i] = null;
currentSubband[i] = null;
}
}
}
