Data commit

Task/Pinstripe-Display/ActionScript/pinstripe-display.as

@@ -0,0 +1,52 @@
+package  {
+
+    import flash.display.Bitmap;
+    import flash.display.BitmapData;
+    import flash.display.Sprite;
+    import flash.events.Event;
+
+    public class Pinstripe extends Sprite {
+
+        public function Pinstripe():void {
+            if (stage) init();
+            else addEventListener(Event.ADDED_TO_STAGE, init);
+        }
+
+        private function init(e:Event = null):void {
+
+            var data:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0xFFFFFFFF);
+            data.lock();
+
+            var w:uint = data.width, h:uint = data.height / 4;
+            var x:uint, y:uint = 0, i:uint, px:uint, colour:uint, maxy:uint = h;
+
+            for ( i = 1; i <= 4; i++ ) {
+
+                for ( ; y < maxy; y++ ) {
+                    colour = 0xFF000000;
+                    px = 1;
+
+                    for ( x = 0; x < w; x++ ) {
+
+                        if ( px == i ) {
+                            colour = (colour == 0xFF000000) ? 0xFFFFFFFF : 0xFF000000;
+                            px = 1;
+                        }
+                        else px++;
+
+                        data.setPixel32(x, y, colour);
+
+                    }
+                }
+
+                maxy += h;
+
+            }
+
+            data.unlock();
+            addChild(new Bitmap(data));
+        }
+
+    }
+
+}