Transfer images from .NET to Flash

Hello.

I’ve been trying to transfer bitmap images between server<->client.

From Client to Server I was successful, following this website:

http://blog.bsoares.com.br/tag/fluorinefx

But from the Server to the Client, I always get a “Type Coercion failed: cannot convert (…) to flash.utils.ByteArray.”

The code in the server-side:

        private Byte[] BitmapToBytes(Bitmap bitmap)

        {

            try

            {

                Byte[] byteArray;

                using (MemoryStream ms = new MemoryStream())

                {

                    bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);

                    byteArray = ms.ToArray();

                }

                return byteArray;

            }

            catch (Exception ex)

            {

                return new Byte[1];

            }

        }

And in client side I receive the exact same byte[] (I checked the length and some values and they matched), but I cannot cast it into a ByteArray object.

I tried several options, simply making a cast, or using the result already as a ByteArray but it always throws that exception.

Also I tried converting the object to ByteArray using:

bytes.writeObject( result.Image );

But then, I get another bytearray and the Loader does not recognize it as an image.

Can anyone help me?? I can’t find information on the internet about passing an image from .NET server to flash client!!

I’m using AMF3 in FlourineFX…

PS – Please moderators disregard my previous post, as this email account was not registered yet, so the post was waiting for approval…

You can try this:

        public static function toBitmapData( width : Number, height : Number, ba : ByteArray ) : BitmapData

        {

            if(ba == null) return null;

            var bd : BitmapData = new BitmapData( width, height, true);

            try

            {

                  ba.position = 0;

                  var u:uint;

                  for( var i:uint=0; i<bd.width ; i++ )

                    for( var j:uint=0; j<bd.height; j++ )

                      bd.setPixel32( i, j, ba.readUnsignedInt() );

            } catch (err:Error)     {

                        trace("toBitmapData: " + err.message);

                  }

            return bd;

        }

You need to know the width and height of the image, and you recreate the image from the bytes like so:

      var data:BitmapData = toBitmapData(width, height, imageData);

      return new Bitmap(data);

Hello.

I’ve been trying to transfer bitmap images between server<->client.

From Client to Server I was successful, following this website:

http://blog.bsoares.com.br/tag/fluorinefx

But from the Server to the Client, I always get a “Type Coercion failed: cannot convert (…) to flash.utils.ByteArray.”

The code in the server-side:

        private Byte[] BitmapToBytes(Bitmap bitmap)

        {

            try

            {

                Byte[] byteArray;

                using (MemoryStream ms = new MemoryStream())

                {

                    bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);

                    byteArray = ms.ToArray();

                }

                return byteArray;

            }

            catch (Exception ex)

            {

                return new Byte[1];

            }

        }

And in client side I receive the exact same byte[] (I checked the length and some values and they matched), but I cannot cast it into a ByteArray object.

I tried several options, simply making a cast, or using the result already as a ByteArray but it always throws that exception.

Also I tried converting the object to ByteArray using:

bytes.writeObject( result.Image );

But then, I get another bytearray and the Loader does not recognize it as an image.

Can anyone help me?? I can’t find information on the internet about passing an image from .NET server to flash client!!

I’m using AMF3 in FlourineFX…

PS – Please moderators disregard my previous post, as this email account was not registered yet, so the post was waiting for approval…