add package ocaml-cairo

1 files changed, 26 insertions, 0 deletions

diff --git a/src/ocaml-cairo-test.ml b/src/ocaml-cairo-test.ml
new file mode 100644
index 0000000..f58315d
--- /dev/null
+++ b/src/ocaml-cairo-test.ml
@@ -0,0 +1,26 @@
+let on_expose_event widget _ =
+  let open Cairo in
+  let drawable = widget#misc#window in
+  let cr = Cairo_lablgtk.create drawable in
+  let i = ref 1 in
+  while !i <= 10 do
+    let i' = float !i in
+    set_source_rgba cr 0. 0. 1. (i'*.0.1);
+    rectangle cr (50.*.i') 20. 40. 40.;
+    fill cr;
+    incr i
+  done;
+  false
+
+let () =
+  let window = GWindow.window
+      ~title:"transparency"
+      ~position:`CENTER () in
+  ignore(window#event#connect#after#expose
+	   (on_expose_event window));
+  ignore(window#connect#destroy GMain.quit);
+  window#misc#set_app_paintable true;
+  window#set_default_size ~width:590 ~height:80;
+  window#show ();
+  GMain.main ()
+