1 files changed, 39 insertions, 0 deletions
diff --git a/libs/canvas/test/gtk_many.cc b/libs/canvas/test/gtk_many.cc
new file mode 100644
index 0000000000..e75ce05ac0
--- /dev/null
+++ b/libs/canvas/test/gtk_many.cc
@@ -0,0 +1,39 @@
+#include <iostream>
+#include <gtkmm.h>
+#include "canvas/canvas.h"
+#include "canvas/rectangle.h"
+
+using namespace std;
+using namespace ArdourCanvas;
+
+int main (int argc, char* argv[])
+{
+	Gtk::Main kit (argc, argv);
+
+	Gtk::Window window;
+	window.set_title ("Hello world");
+	window.set_size_request (512, 512);
+	GtkCanvas canvas;
+	canvas.set_size_request (2048, 2048);
+
+	int const N = 10000;
+	double Ns = sqrt (N);
+	int max_x = 1024;
+	int max_y = 1024;
+	
+	for (int x = 0; x < Ns; ++x) {
+		for (int y = 0; y < Ns; ++y) {
+			Rectangle* r = new Rectangle (canvas.root ());
+			r->set (Rect (x * max_x / Ns, y * max_y / Ns, (x + 1) * max_x / Ns, (y + 1) * max_y / Ns));
+		}
+	}
+	
+	Gtk::ScrolledWindow scroller;
+	scroller.add (canvas);
+	window.add (scroller);
+	canvas.show ();
+	window.show_all ();
+	
+	Gtk::Main::run (window);
+	return 0;
+}