private static synchronized void decrementAndReleasePixels(ImageTile<?> tile) {
tile.decrementPixelDataReleaseCount();
if (tile.getPixelDataReleaseCount() == 0) tile.releasePixels();
}
@Override
public void run() {
try {
List<CorrelationTriple> multi_ccfs = new ArrayList<CorrelationTriple>();
while (!this.isCancelled && (count < this.numNeighbors)) {
multi_ccfs.clear();
StitchingTask<T> task = this.ccfQueue.take();
Debug.msg(
DebugType.VERBOSE,
"WP Task acquired: "
+ task.getTask()
+ " size: "
+ this.ccfQueue.size()
+ " count: "
+ count);
if (task.getTask() == TaskType.CCF_DONE) {
break;
} else if (task.getTask() == TaskType.CCF) {
int[] indices = task.getIndices();
ImageTile<T> tile = task.getTile();
ImageTile<T> neighbor = task.getNeighbor();
boolean north = false;
boolean west = false;
if (tile.isSameRowAs(neighbor)) west = true;
else north = true;
for (int index : indices) {
int x = index % tile.getWidth();
int y = index / tile.getWidth();
if (west) multi_ccfs.add(Stitching.peakCrossCorrelationLR(neighbor, tile, x, y));
else if (north) multi_ccfs.add(Stitching.peakCrossCorrelationUD(neighbor, tile, x, y));
}
CorrelationTriple corr = Collections.max(multi_ccfs);
if (north) {
tile.setNorthTranslation(corr);
Log.msg(
LogType.HELPFUL,
"N: "
+ tile.getFileName()
+ " -> "
+ neighbor.getFileName()
+ " x: "
+ tile.getNorthTranslation().getMatlabFormatStrX()
+ " y: "
+ tile.getNorthTranslation().getMatlabFormatStrY()
+ " ccf: "
+ tile.getNorthTranslation().getMatlatFormatStrCorr());
incProgressBar();
incCount();
decrementAndReleasePixels(tile);
decrementAndReleasePixels(neighbor);
} else if (west) {
tile.setWestTranslation(corr);
Log.msg(
LogType.HELPFUL,
"W: "
+ tile.getFileName()
+ " -> "
+ neighbor.getFileName()
+ " x: "
+ tile.getWestTranslation().getMatlabFormatStrX()
+ " y: "
+ tile.getWestTranslation().getMatlabFormatStrY()
+ " ccf: "
+ tile.getWestTranslation().getMatlatFormatStrCorr());
incProgressBar();
incCount();
decrementAndReleasePixels(tile);
decrementAndReleasePixels(neighbor);
}
} else if (task.getTask() == TaskType.CANCELLED) {
this.isCancelled = true;
}
}
Debug.msg(DebugType.HELPFUL, "CCF Done");
// Signal other workers that may be waiting to finish
this.ccfQueue.put(new StitchingTask<T>(null, null, TaskType.SENTINEL));
} catch (InterruptedException e) {
Log.msg(LogType.MANDATORY, "Interrupted CCF worker");
}
}
/**
* Checks if the tile exists in the grid
*
* @param tile the tile to check
* @return true if the tile exists, otherwise false
*/
public boolean hasTile(ImageTile<?> tile) {
return hasTile(tile.getRow(), tile.getCol());
}
