amanteaux

import java.util.Queue;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

public class TimeoutTaskThreadPoolExecutor {

	private final Queue<Task> awaitingTasks;

mnadeem

import java.util.Collection;
import java.util.Iterator;
import java.util.concurrent.LinkedTransferQueue;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.RejectedExecutionHandler;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TransferQueue;

public final class ScalingThreadPoolExecutor extends ThreadPoolExecutor {

vielhuber

convert -density 150 input.pdf -brightness-contrast 5x25 -sharpen 0x1 output.pdf

convert -density 300 input.pdf -colorspace gray -normalize -level 50%,51% -sharpen 0x1 output.pdf

convert -density 300 input.pdf -colorspace gray -normalize -level 25%,26% -sharpen 0x1 output.pdf

convert -density 300 input.pdf -colorspace gray -normalize -modulate 150 -sharpen 0x1 output.pdf

convert -density 300 input.pdf -contrast -contrast -contrast -contrast -sharpen 0x1 output.pdf