From 4f5a1ec8807344966a898bb78ee520f169b7ce46 Mon Sep 17 00:00:00 2001
From: sbosse <sbosse@uni-bremen.de>
Date: Mon, 21 Jul 2025 23:01:14 +0200
Subject: [PATCH] Mon 21 Jul 22:43:21 CEST 2025

---
 .../core/examples/smoketest/compositetest.js  | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 js/x11/core/examples/smoketest/compositetest.js

diff --git a/js/x11/core/examples/smoketest/compositetest.js b/js/x11/core/examples/smoketest/compositetest.js
new file mode 100644
index 0000000..76f75ef
--- /dev/null
+++ b/js/x11/core/examples/smoketest/compositetest.js
@@ -0,0 +1,38 @@
+var x11 = require('../../lib');
+
+x11.createClient(function(err, display) {
+    var X = display.client;
+    var root = display.screen[0].root;
+    X.require('composite', function(err, Composite) {
+      X.require('damage', function(err, Damage) {
+        var wid = parseInt(process.argv[2]);
+        //Composite.GetOverlayWindow(wid, function(err, overlayid) {
+        //  console.log("OVERLAY:", err, overlayid);
+        //});
+        //Composite.RedirectWindow(wid, Composite.Redirect.Automatic);
+        var pixmap = X.AllocID();
+        Composite.NameWindowPixmap(wid, pixmap);
+        var damage = X.AllocID();
+        Damage.Create(damage, wid, Damage.ReportLevel.NonEmpty);
+
+
+        var newwin = X.AllocID();
+        X.CreateWindow(newwin, display.screen[0].root, 200, 200, 200, 200, 0, 0, 0, 0, { eventMask: x11.eventMask.Exposure})
+        var gc = X.AllocID();
+        X.CreateGC(gc, newwin);
+        X.MapWindow(newwin);
+
+        X.on('event', function(ev) {
+          console.log(ev);
+          if (ev.type == 13)
+             return;
+          Damage.Subtract(damage, 0, 0);
+          // srcDrawable, dstDrawable, gc, srcX, srcY, dstX, dstY, width, height
+          X.CopyArea(wid, newwin, gc, 0, 0, 0, 0, 200, 200);
+          //X.CopyArea(pixmap, newwin, gc, 0, 0, 0, 0, 200, 200);
+        });
+      });
+    });
+    X.on('error', function(err) { console.log(err); });
+
+});