update

screentex/Sources/lnx/MyTrait.hx

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+package lnx;
+
+import leenkx.renderpath.RenderPathCreator;
+
+class MyTrait extends iron.Trait {
+	public function new() {
+		super();
+
+		notifyOnRender2D(function(g:kha.graphics2.Graphics) {
+			if (RenderPathCreator.finalTarget == null) return;
+
+			// Access final composited image that is afterwards drawn to the screen
+			var image = RenderPathCreator.finalTarget.image;
+
+			g.color = 0xff000000;
+			g.fillRect(0, 0, image.width / 5, image.height / 5);
+
+			g.color = 0xffffffff;
+			if (kha.Image.renderTargetsInvertedY()) {
+				g.drawScaledImage(image, 0, image.height / 5, image.width / 5, -image.height / 5);
+			}
+			else {
+				g.drawScaledImage(image, 0, 0, image.width / 5, image.height / 5);
+			}
+		});
+	}
+}