//Interesting method
//public static string decodeQRImage(string path)
//{
// Bitmap bMap = BitmapFactory.DecodeFile(path);
// string decoded = null;
// int[] intArray = new int[bMap.Width * bMap.Height];
// Java.IO.InputStream ist = getResources().openRawResource(R.drawable.balloons);
// byte[] data = new byte[ist.Available()];
// bMap.GetPixels(intArray, 0, bMap.Width, 0, 0, bMap.Width, bMap.Height);
// LuminanceSource source = new RGBLuminanceSource(data, bMap.Width, bMap.Height);
// BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
// Reader reader = new QRCodeReader();
// ZXing.Result result = reader.decode(bitmap);
// decoded = result.Text;
// return decoded;
//}
// Something I am trying to get image scanning
private void ReadBarcode()
{
try
{
var imageBytes = GetImage("file:///android_asset/QR_Code_Test.jpg");
var width = GetWidth("file:///android_asset/QR_Code_Test.jpg");
var height = GetHeight("file:///android_asset/QR_Code_Test.jpg");
LuminanceSource source = new ZXing.RGBLuminanceSource(imageBytes, (int)width, (int)height);
HybridBinarizer hb = new HybridBinarizer(source);
var a = hb.createBinarizer(source);
BinaryBitmap bBitmap = new BinaryBitmap(a);
BarcodeReader reader = new BarcodeReader();
reader.Options.TryHarder = true;
MultiFormatReader reader1 = new MultiFormatReader();
try
{
var r = reader1.decodeWithState(bBitmap);
var result = reader.Decode(source);
var result2 = reader.DecodeMultiple(source);
if (result != null)
{
return;
}
return;
}
catch (Java.Lang.Exception ex)
{
//HandleError("ReadBarcode Error: ", ex.Message);
}
}
catch (Java.Lang.Exception ex)
{
//HandleError("ReadBarcode Error: ", ex.Message);
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Somewhere in your app, call the initialization code:
MobileBarcodeScanner.Initialize(Application);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
//Create a new instance of our Scanner
scanner = new MobileBarcodeScanner();
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.myButton);
button.Click += delegate
{
_imageView = FindViewById <ImageView>(Resource.Id.imageView1);
//BitmapFactory.Options options = new BitmapFactory.Options
//{
// InJustDecodeBounds = false
//};
//// The result will be null because InJustDecodeBounds == true.
//Bitmap bitmapToDisplay = await BitmapFactory.DecodeResourceAsync(Resources, Resource.Drawable.download1);
//_imageView.SetImageBitmap(bitmapToDisplay);
_imageView.SetImageBitmap(
decodeSampledBitmapFromResource(Resources, Resource.Drawable.qrcode, 375, 375));
};
Button buttonScan = FindViewById <Button>(Resource.Id.buttonScan);
//buttonScan.Click += async delegate {
//var scanner = new ZXing.Mobile.MobileBarcodeScanner();
//var result = await scanner.Scan();
//if (result != null)
// Console.WriteLine("Scanned Barcode: " + result.Text);
//};
buttonScan.Click += delegate
{
//var fullName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Images", "download.png");
String path = System.Environment.CurrentDirectory;
BitmapFactory.Options options = new BitmapFactory.Options
{
InPreferredConfig = Bitmap.Config.Argb8888
};
//BitmapFactory.Options options = new BitmapFactory.Options
//{
// InJustDecodeBounds = true
//};
// The result will be null because InJustDecodeBounds == true.
//Bitmap bitmap = await BitmapFactory.DecodeResourceAsync(Resources, Resource.Drawable.download1, options);
Bitmap bitmap = decodeSampledBitmapFromResource(Resources, Resource.Drawable.qrcode, 375, 375);
// var imageHeight = options.OutHeight;
//var imageWidth = options.OutWidth;
var imageHeight = (int)bitmap.GetBitmapInfo().Height;
var imageWidth = (int)bitmap.GetBitmapInfo().Width;
//using (var stream = new MemoryStream())
//{
// bitmap.Compress(Bitmap.CompressFormat.Png, 0, stream);
// bitmapData = stream.ToArray();
//}
int size = (int)bitmap.RowBytes * (int)bitmap.GetBitmapInfo().Height;
Java.Nio.ByteBuffer byteBuffer = Java.Nio.ByteBuffer.Allocate(size);
bitmap.CopyPixelsToBuffer(byteBuffer);
byte[] byteArray = new byte[byteBuffer.Remaining()];
var imageBytes = byteBuffer.Get(byteArray);
LuminanceSource source = new ZXing.RGBLuminanceSource(byteArray, (int)imageWidth, (int)imageHeight);
var barcodeReader = new BarcodeReader();
barcodeReader.Options.TryHarder = true;
//barcodeReader.Options.ReturnCodabarStartEnd = true;
//barcodeReader.Options.PureBarcode = true;
//barcodeReader.Options.PossibleFormats = new List<BarcodeFormat>();
//barcodeReader.Options.PossibleFormats.Add(BarcodeFormat.QR_CODE);
ZXing.Result result = barcodeReader.Decode(source);
var result2 = barcodeReader.DecodeMultiple(source);
ZXing.Result result3 = barcodeReader.Decode(byteArray, (int)imageWidth, (int)imageHeight, RGBLuminanceSource.BitmapFormat.RGB24);
ZXing.Result result4 = barcodeReader.Decode(source);
HybridBinarizer hb = new HybridBinarizer(source);
var a = hb.createBinarizer(source);
BinaryBitmap bBitmap = new BinaryBitmap(a);
MultiFormatReader reader1 = new MultiFormatReader();
var r = reader1.decodeWithState(bBitmap);
int[] intarray = new int[((int)imageHeight * (int)imageWidth)];
bitmap.GetPixels(intarray, 0, (int)bitmap.GetBitmapInfo().Width, 0, 0, (int)imageWidth, (int)imageHeight);
LuminanceSource source5 = new RGBLuminanceSource(byteArray, (int)imageWidth, (int)imageHeight);
BinaryBitmap bitmap3 = new BinaryBitmap(new HybridBinarizer(source));
ZXing.Reader reader = new DataMatrixReader();
//....doing the actually reading
ZXing.Result result10 = reader.decode(bitmap3);
//InputStream is = this.Resources.OpenRawResource(Resource.Id.imageView1);
//Bitmap originalBitmap = BitmapFactory.decodeStream(is);
//UIImage
//var barcodeBitmap = (Bitmap)Bitmap.FromFile(@"C:\Users\jeremy\Desktop\qrimage.bmp");
};
Button buttonScan2 = FindViewById <Button>(Resource.Id.buttonScan2);
buttonScan2.Click += async delegate
{
//Tell our scanner to activiyt use the default overlay
scanner.UseCustomOverlay = false;
//We can customize the top and bottom text of the default overlay
scanner.TopText = "Hold the camera up to the barcode\nAbout 6 inches away";
scanner.BottomText = "Wait for the barcode to automatically scan!";
//Start scanning
var result = await scanner.Scan();
// Handler for the result returned by the scanner.
HandleScanResult(result);
};
}
