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import java.awt.*;
import java.util.Random;
public class Mondrian {
private int canvasWidth;
private int canvasHeight;
private static final int MIN_REGION_SIZE = 10;
private Random rand;
public void paintBasicMondrian(Color[][] pixels) {
rand = new Random();
int width = pixels[0].length;
int height = pixels.length;
this.canvasWidth = width;
this.canvasHeight = height;
divideCanvas(pixels, 0, width, 0, height);
}
public void paintComplexMondrian(Color[][] pixels) {
}
private void divideCanvas(Color[][] pixels, int x1, int x2, int y1, int y2) {
if (x2 - x1 >= MIN_REGION_SIZE * 3 && y2 - y1 >= MIN_REGION_SIZE * 3) {
//int hSplit = (x2 - x1) / 2 + x1;
//int vSplit = (y2 - y1) / 2 + y1;
int hSplit = rand.nextInt(x1+1, x2-10);
int vSplit = rand.nextInt(y1+1, y2-10);
//if (x2 - x1 >= canvasWidth / 4) {
//int rangeX = (x2 - x1 - MIN_REGION_SIZE * 2) / MIN_REGION_SIZE;
// hSplit = rand.nextInt(rangeX) * MIN_REGION_SIZE + x1 + MIN_REGION_SIZE;
// hSplit = Math.min(hSplit, x2 - MIN_REGION_SIZE); // Ensure hSplit is within canvas bounds
// hSplit = Math.max(hSplit, x1 + MIN_REGION_SIZE); // Ensure hSplit is at least MIN_REGION_SIZE away from the canvas edge
//}
//if (y2 - y1 >= canvasHeight / 4) {
// int rangeY = (y2 - y1 - MIN_REGION_SIZE * 2) / MIN_REGION_SIZE;
// vSplit = rand.nextInt(rangeY) * MIN_REGION_SIZE + y1 + MIN_REGION_SIZE;
// vSplit = Math.min(vSplit, y2 - MIN_REGION_SIZE); // Ensure vSplit is within canvas bounds
// vSplit = Math.max(vSplit, y1 + MIN_REGION_SIZE); // Ensure vSplit is at least MIN_REGION_SIZE away from the canvas edge
//}
//// Additional constraints for the horizontal splitting points to prevent rectangles wider than canvasWidth/4
//if (x2 - x1 >= canvasWidth / 4) {
// hSplit = Math.min(hSplit, x1 + (x2 - x1) / 2); // Ensure hSplit is not farther than halfway across the canvas
//}
fill(pixels, x1, x2, y1, y2);
if (x2 - x1 >= canvasWidth / 4 && y2 - y1 >= canvasHeight / 4) {
divideCanvas(pixels, x1, hSplit, y1, vSplit);
divideCanvas(pixels, hSplit, x2, y1, vSplit);
divideCanvas(pixels, x1, hSplit, vSplit, y2);
divideCanvas(pixels, hSplit, x2, vSplit, y2);
} else if (x2 - x1 >= canvasWidth / 4) {
divideCanvas(pixels, x1, hSplit, y1, y2);
divideCanvas(pixels, hSplit, x2, y1, y2);
} else if (y2 - y1 >= canvasHeight / 4) {
divideCanvas(pixels, x1, x2, y1, vSplit);
divideCanvas(pixels, x1, x2, vSplit, y2);
}
} else {
fill(pixels, x1, x2, y1, y2);
}
}
private void fill(Color[][] pixels, int x1, int x2, int y1, int y2) {
Color region = getRandomColor();
for (int i = y1; i < y2; i++) {
pixels[i][x1] = Color.BLACK;
pixels[i][x2 - 1] = Color.BLACK;
}
for (int j = x1; j < x2; j++) {
pixels[y1][j] = Color.BLACK;
pixels[y2 - 1][j] = Color.BLACK;
}
for (int i = y1 + 1; i < y2 - 1; i++) {
for (int j = x1 + 1; j < x2 - 1; j++) {
pixels[i][j] = region;
}
}
}
private Color getRandomColor() {
Color[] colors = {Color.RED, Color.YELLOW, Color.CYAN, Color.WHITE};
return colors[rand.nextInt(4)];
}
}
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