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Visualizer.java
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import java.awt.*;
import java.util.*;
// Main class for algorithms implementation and visualization.
public class Visualizer {
public static final int minAxis = 5, maxAxis = 100, delay = 50;
public Visualizer() {
StdDraw.setCanvasSize(800, 600);
StdDraw.setScale(0, minAxis + maxAxis);
StdDraw.setPenColor(StdDraw.RED);
StdDraw.textLeft(1, maxAxis + 2, "Please select an algorithm from MenuBar!");
}
// Initializes the window for a new algorithm
public void Init(String txt) {
StdDraw.clear();
StdDraw.setPenColor(StdDraw.RED);
StdDraw.textLeft(2, maxAxis + 2, txt);
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.setPenRadius(0.005);
}
// Colors a point p, with color c
public void Visit(Point p, Color c) {
StdDraw.setPenColor(c);
StdDraw.setPenRadius(0.015);
StdDraw.point(p.x(), p.y());
StdDraw.setPenRadius(0.005);
StdDraw.setPenColor(StdDraw.BLACK);
}
// Displays a "Done" message on the right after the visualization is finished
public void Done() {
StdDraw.setPenColor(StdDraw.RED);
StdDraw.textRight(maxAxis + 2, maxAxis + 2, "DONE!");
StdDraw.setPenColor(StdDraw.BLACK);
}
}