Retrieving the Color of a Region of Pixels : BitmapData : Graphics Flash / Flex / ActionScript examples


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Retrieving the Color of a Region of Pixels


 

package{
  import flash.display.*;
  import flash.geom.*;
  import flash.utils.ByteArray;

  public class Main extends Sprite{
    public function Main(){
        var blueSquare:BitmapData = new BitmapData(2020, false, 0xFF0000FF);
        var greenSquare:BitmapData = new BitmapData(3030, false, 0xFF00FF00);
        
        var rectRegion:Rectangle = new Rectangle(551010);
        
        var greenPixels:ByteArray = greenSquare.getPixels(rectRegion);
        
        greenPixels.position = 0;
        
        blueSquare.setPixels(rectRegion, greenPixels);
        
        var blueBmp:Bitmap = new Bitmap(blueSquare);
        var greenBmp:Bitmap = new Bitmap(greenSquare);
        addChild(blueBmp);
        addChild(greenBmp);
        greenBmp.x = 40;

    }
  }
}

        



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