Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

image-processing/src/main/java/com/baeldung/imageprocessing/openimaj/OpenIMAJRectExample.java

@@ -0,0 +1,28 @@
+package com.baeldung.imageprocessing.openimaj;
+
+import org.openimaj.image.DisplayUtilities;
+import org.openimaj.image.ImageUtilities;
+import org.openimaj.image.MBFImage;
+import org.openimaj.math.geometry.point.Point2d;
+import org.openimaj.math.geometry.point.Point2dImpl;
+import org.openimaj.math.geometry.shape.Polygon;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+public class OpenIMAJRectExample {
+    public static void main(String[] args) throws IOException {
+        MBFImage image = ImageUtilities.readMBF(OpenIMAJRectExample.class.getClassLoader().getResource("lena.jpg"));
+        drawRectangle(image);
+        DisplayUtilities.display(image);
+    }
+
+    private static void drawRectangle(MBFImage image) {
+        Point2d tl = new Point2dImpl(10, 10);
+        Point2d bl = new Point2dImpl(10, image.getHeight() - 10);
+        Point2d br = new Point2dImpl(image.getWidth() - 10, image.getHeight() - 10);
+        Point2d tr = new Point2dImpl(image.getWidth() - 10, 10);
+        Polygon polygon = new Polygon(Arrays.asList(tl, bl, br, tr));
+        image.drawPolygon(polygon, 4, new Float[] { 0f, 0f, 255.0f });
+    }
+}