From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/ext/tk/sample/tcltklib/lines4.rb | 54 +++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 jni/ruby/ext/tk/sample/tcltklib/lines4.rb

(limited to 'jni/ruby/ext/tk/sample/tcltklib/lines4.rb')

diff --git a/jni/ruby/ext/tk/sample/tcltklib/lines4.rb b/jni/ruby/ext/tk/sample/tcltklib/lines4.rb
new file mode 100644
index 0000000..7a1175b
--- /dev/null
+++ b/jni/ruby/ext/tk/sample/tcltklib/lines4.rb
@@ -0,0 +1,54 @@
+#! /usr/local/bin/ruby
+
+require "tk"
+
+def drawlines()
+  print Time.now, "\n"
+
+  for j in 0 .. 99
+    print "*"
+    $stdout.flush
+    if (j & 1) != 0
+      col = "blue"
+    else
+      col = "red"
+    end
+    for i in 0 .. 99
+#      TkCore::INTERP.__invoke($a.path, "create", "line", i.to_s, '0', '0', (500 - i).to_s, "-fill", col)
+    end
+  end
+
+  print Time.now, "\n"
+
+  for j in 0 .. 99
+    print "*"
+    $stdout.flush
+    if (j & 1) != 0
+      col = "blue"
+    else
+      col = "red"
+    end
+    for i in 0 .. 99
+      TkCore::INTERP.__invoke($a.path, "create", "line", i.to_s, '0', '0', (500 - i).to_s, "-fill", col)
+    end
+  end
+
+  print Time.now, "\n"
+#  Tk.root.destroy
+end
+
+$a = TkCanvas.new{
+  height(500)
+  width(500)
+}
+
+$b = TkButton.new{
+  text("draw")
+  command(proc{drawlines()})
+}
+
+TkPack.configure($a, $b, {"side"=>"left"})
+
+Tk.mainloop
+
+# eof
-- 
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