flash on 2010-5-12

by omochieater 12 May 2010

Embed

/**
 * Copyright omochieater ( http://wonderfl.net/user/omochieater )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/zsgW
 */

package {
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Graphics;
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.geom.Point;

    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            addChild(mBG);
            addChild(mCanvas);
            mCanvas.bitmapData.copyPixels(mImage, mImage.rect, mPoint);
        }

        private function createShape():Shape {
            var shape:Shape = new Shape();
            var g:Graphics = shape.graphics;
            g.beginFill(0x00AAAA, 0.5);
            g.drawCircle(80, 80, 80);
            g.beginFill(0x55EEFF, 1.0);
            g.drawCircle(80, 80, 40);
            g.endFill();
            return shape;
        }

        private function createBitmapData(shape:Shape):BitmapData {
            var bmd:BitmapData = new BitmapData(shape.width, shape.height, true, 0x0);
            bmd.draw(shape);
            return bmd;
        }

        private var mPoint:Point = new Point();
        private var mImage:BitmapData = createBitmapData(createShape());
        private var mCanvas:Bitmap = new Bitmap(new BitmapData(stage.stageWidth, stage.stageHeight, true, 0x0));
        private var mBG:CheckedBitmap = new CheckedBitmap(stage.stageWidth, stage.stageHeight, 10, 0xAAAAAA, 0x666666);
    }
}

import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.geom.Rectangle;

internal class CheckedBitmap extends Bitmap {
    public function CheckedBitmap(stageWidth:uint, stageHeight:uint, split:Number, color1:uint, color2:uint) {
        super(new BitmapData(stageWidth, stageHeight, false, 0x0));
        drawChecked(split, color1, color2);
    }

    private function drawChecked(split:uint, color1:uint, color2:uint):void {
        var i:uint, _i:Number;
        var j:uint, _j:Number;
        fillRect(0, 0, width, height, color1);
        for (j = 0, _j = height/split; j < _j; ++j) {
            for (i = 0, _i = width/split; i < _i; ++i) {
                if ((i & 0x01) == 1) {
                    if ((j & 0x01) == 0) fillRect(i*_i, j*_j, _i, _j, color2);
                }
                else {
                    if ((j & 0x01) == 1) fillRect(i*_i, j*_j, _i, _j, color2);
                }
            }
        }
    }

    private function fillRect(x:Number, y:Number, width:Number, height:Number, color:uint):void {
        mRectangle.x = x;
        mRectangle.y = y;
        mRectangle.width = width;
        mRectangle.height = height;
        bitmapData.fillRect(mRectangle, color);
    }

    private static const mRectangle:Rectangle = new Rectangle();
}