added ag::drawLine()

git-svn-id: svn://anubis/anaglym/trunk@183 99a6e188-d820-4881-8870-2d33a10e2619

tests/bowling.lua

@@ -52,7 +52,9 @@ function key_down_event(key)
     end
 end
 
---function update_overlay_event(width, height)
---    local tw, th = ag.getTextSize("Hi there", 18)
---    ag.drawText("Hi there", 1, 1, 1, 18, width - tw - 4, height - th - 4)
---end
+function update_overlay_event(width, height)
+    local tw, th = ag.getTextSize("Hi there", 18)
+    ag.drawText("Hi there", 1, 1, 1, 18, width - tw - 4, height - th - 4)
+    ag.drawLine(1, 0, 0.3, 10, 10, 40, 60)
+    ag.drawLine(1, 0.7, 1, 50, 10, 100, 60, 5)
+end