private void btn_File_Click(object sender, System.EventArgs e)
{
string sRes="";
OpenFileDialog ofn=new OpenFileDialog();
if(ofn.ShowDialog()==DialogResult.OK){
try {
Reader barcodeReader=
new com.google.zxing.MultiFormatReader();
System.Drawing.Bitmap srcbitmap =
new System.Drawing.Bitmap(ofn.FileName.ToString()); // Make a copy of the image in the Bitmap variable
//make a grey bitmap of it
bmp_util util=new bmp_util();
srcbitmap = util.ConvertToGrayscale(srcbitmap);
RGBLuminanceSource source =
new RGBLuminanceSource(srcbitmap, srcbitmap.Width, srcbitmap.Height);
com.google.zxing.BinaryBitmap bitmap=
new com.google.zxing.BinaryBitmap(new HybridBinarizer(source));
com.google.zxing.Result result = barcodeReader.decode(bitmap);
System.Console.WriteLine(result.Text);
sRes=result.Text;
}
catch (com.google.zxing.ReaderException zex) {
sRes=zex.Message;
System.Console.WriteLine(zex.Message);
}
catch (Exception ex) {
sRes=ex.Message;
System.Console.WriteLine(ex.Message);
}
tb.Text=sRes;
}
}
private void btn_File_Click(object sender, System.EventArgs e)
{
string sRes = "";
OpenFileDialog ofn = new OpenFileDialog();
if (ofn.ShowDialog() == DialogResult.OK)
{
try {
Reader barcodeReader =
new com.google.zxing.MultiFormatReader();
System.Drawing.Bitmap srcbitmap =
new System.Drawing.Bitmap(ofn.FileName.ToString()); // Make a copy of the image in the Bitmap variable
//make a grey bitmap of it
bmp_util util = new bmp_util();
srcbitmap = util.ConvertToGrayscale(srcbitmap);
RGBLuminanceSource source =
new RGBLuminanceSource(srcbitmap, srcbitmap.Width, srcbitmap.Height);
com.google.zxing.BinaryBitmap bitmap =
new com.google.zxing.BinaryBitmap(new HybridBinarizer(source));
com.google.zxing.Result result = barcodeReader.decode(bitmap);
System.Console.WriteLine(result.Text);
sRes = result.Text;
}
catch (com.google.zxing.ReaderException zex) {
sRes = zex.Message;
System.Console.WriteLine(zex.Message);
}
catch (Exception ex) {
sRes = ex.Message;
System.Console.WriteLine(ex.Message);
}
tb.Text = sRes;
}
}
public static String Decode(Image Image)
{
try
{
var hints = new Hashtable();
hints.Add(DecodeHintType.TRY_HARDER, true);
ArrayList fmts = new ArrayList();
fmts.Add(BarcodeFormat.QR_CODE);
hints.Add(DecodeHintType.POSSIBLE_FORMATS, fmts);
var Bitmap = new Bitmap(Image);
LuminanceSource source = new RGBLuminanceSource(Bitmap, Bitmap.Width, Bitmap.Height);
var bitmap = new BinaryBitmap(new GlobalHistogramBinarizer(source));
Reader reader = new MultiFormatReader();
Result result = reader.decode(bitmap, hints);
String DecodedString = result.Text;
Console.WriteLine(DecodedString);
return DecodedString;
}
catch (ReaderException ex)
{
return "";
}
catch (InvalidOperationException ex)
{
return "";
}
}
public QrScanner (QrScannerActivity activity)
: base (activity)
{
this.activity = activity;
this.reader = new MultiFormatReader {
Hints = new Hashtable {
{ DecodeHintType.POSSIBLE_FORMATS, new ArrayList { BarcodeFormat.QR_CODE } }
}
};
this.surface_holder = Holder;
this.surface_holder.AddCallback (this);
this.surface_holder.SetType (SurfaceType.PushBuffers);
}
public void StopWorker()
{
// starting timer
if (WorkerTimer != null)
{
WorkerTimer.Invalidate();
try { WorkerTimer.Dispose(); } catch { }
WorkerTimer = null;
try { NSRunLoop.Current.Dispose(); } catch { }
}
//Just in case
_multiFormatReader = null;
hints = null;
}
//解码操作
private void button3_Click(object sender, EventArgs e)
{
MultiFormatReader mutiReader = new com.google.zxing.MultiFormatReader();
Bitmap img = (Bitmap)Bitmap.FromFile(opFilePath);
if (img == null)
{
return;
}
LuminanceSource ls = new RGBLuminanceSource(img, img.Width, img.Height);
BinaryBitmap bb = new BinaryBitmap(new com.google.zxing.common.HybridBinarizer(ls));
Hashtable hints = new Hashtable();
hints.Add(EncodeHintType.CHARACTER_SET, "UTF-8");
Result r = mutiReader.decode(bb, hints);
txtMsg.Text = r.Text;
}
public string ReadBarcode(Bitmap BarcodeImage)
{
RGBLuminanceSource BarcodeSource = new RGBLuminanceSource(BarcodeImage, BarcodeImage.Width, BarcodeImage.Height);
BinaryBitmap BarcodeImageBin = new BinaryBitmap(new GlobalHistogramBinarizer(BarcodeSource));
MultiFormatReader BarcodeReader = new MultiFormatReader();
try
{
Result BarcodeDecodeResult;
BarcodeDecodeResult = BarcodeReader.decode(BarcodeImageBin);
if (BarcodeDecodeResult.Text != null)
return BarcodeDecodeResult.Text;
else
return "NoBarcode";
}
catch (Exception e)
{
return "Fail";
}
}
private void BarCodeDetectTimer_Tick(object sender, EventArgs e)
{
try
{
Bitmap img = (Bitmap)pictureBox1.Image;
Reader reader = new MultiFormatReader();
RGBLuminanceSource source1 = new RGBLuminanceSource(img, img.Width, img.Height);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source1));
Result result = reader.decode(bitmap);
textBox1.Text = result.Text;
dekodirano = textBox1.Text;
BarCodeDetectTimer.Stop();
}
catch (Exception)
{
statusStrip1.Text = "Greska pri dekodiranju";
}
}
private void button1_Click(object sender, EventArgs e)
{
if (this.openFileDialog1.ShowDialog() != DialogResult.OK)
{
return;
}
Image img = Image.FromFile(this.openFileDialog1.FileName);
Bitmap bmap;
try
{
bmap = new Bitmap(img);
}
catch (System.IO.IOException ioe)
{
MessageBox.Show(ioe.ToString());
return;
}
if (bmap == null)
{
MessageBox.Show("Could not decode image");
return;
}
LuminanceSource source = new RGBLuminanceSource(bmap, bmap.Width, bmap.Height);
com.google.zxing.BinaryBitmap bitmap = new com.google.zxing.BinaryBitmap(new COMMON.HybridBinarizer(source));
Result result;
try
{
result = new MultiFormatReader().decode(bitmap);
}
catch(ReaderException re)
{
MessageBox.Show(re.ToString());
return;
}
MessageBox.Show(result.Text);
}
private void Worker()
{
//iphone 4 : 960 x 640
//iphone 3 : 320 x 480
if (DeviceHardware.Version == DeviceHardware.HardwareVersion.iPhone4) {
//picFrame = new RectangleF (0, 146 * 2, 320 * 2, 157 * 2);
picFrame = new RectangleF(300, 300, 320 * 2, 157 * 2);
}
if (hints == null) {
var list = new ArrayList ();
list.Add (com.google.zxing.BarcodeFormat.EAN_8);
list.Add (com.google.zxing.BarcodeFormat.EAN_13);
hints = new Hashtable ();
hints.Add (com.google.zxing.DecodeHintType.POSSIBLE_FORMATS, list);
hints.Add (
com.google.zxing.DecodeHintType.NEED_RESULT_POINT_CALLBACK,
new ResultCallBack (this)
);
}
if (_multiFormatOneDReader == null) {
_multiFormatOneDReader = new com.google.zxing.oned.MultiFormatOneDReader (hints);
}
// Capturing screen image
using (var screenImage = CGImage.ScreenImage.WithImageInRect(new RectangleF(0,0,640,960)))
{
UIImage image = UIImage.FromImage(screenImage);
var srcbitmap = new System.Drawing.Bitmap (image);
LuminanceSource source = null;
BinaryBitmap bitmap = null;
try {
source = new RGBLuminanceSource(srcbitmap, (int)image.Size.Width, (int)image.Size.Height);
bitmap = new BinaryBitmap (new HybridBinarizer (source));
Reader barcodeReader = new MultiFormatReader();
Result bresult = null;
try
{
bresult = barcodeReader.decode(bitmap);}
catch(Exception ex){
//Console.Write(ex.ToString());
}
if(bresult != null)
{
var a = bresult.BarcodeFormat.Name;
BeepOrVibrate ();
_parentViewController.BarCodeScanned (bresult);
}
// QRCodeReader barcodeReader = new QRCodeReader ();
// source = new RGBLuminanceSource (
// srcbitmap,
// (int)screenImage.Width,
// (int)screenImage.Height
// );
// bitmap = new BinaryBitmap (new HybridBinarizer (source));
// Result result = null;
// try {
// result = barcodeReader.decode (bitmap);
// } catch (Exception ex) {
// Console.Write ("Result error: " + ex.ToString ());
// }
// if (result == null) {
// Console.Write ("result is null.");
// } else {
// Console.Write (result.BarcodeFormat);
// }
com.google.zxing.common.BitArray row = new com.google.zxing.common.BitArray (screenImage.Width);
int middle = screenImage.Height >> 1;
int rowStep = System.Math.Max (1, screenImage.Height >> (4));
for (int x = 0; x < 9; x++) {
// Scanning from the middle out. Determine which row we're looking at next:
int rowStepsAboveOrBelow = (x + 1) >> 1;
bool isAbove = (x & 0x01) == 0; // i.e. is x even?
int rowNumber = middle + rowStep * (isAbove ? rowStepsAboveOrBelow : - rowStepsAboveOrBelow);
if (rowNumber < 0 || rowNumber >= screenImage.Height) {
// Oops, if we run off the top or bottom, stop
break;
}
// Estimate black point for this row and load it:
try {
row = bitmap.getBlackRow (rowNumber, row);
var resultb = _multiFormatOneDReader.decodeRow (rowNumber, row, hints);
if (resultb.Text != null) {
BeepOrVibrate ();
_parentViewController.BarCodeScanned (resultb);
break;
} else {
continue;
}
} catch (ReaderException re) {
continue;
}
}
// var result = _barcodeReader.decodeWithState(bitmap);
//
// if(result.Text!=null)
// {
// _multiFormatOneDReader = null;
// BeepOrVibrate();
// _parentViewController.BarCodeScanned(result);
// }
} catch (Exception ex) {
Console.WriteLine (ex.Message);
} finally {
if (bitmap != null)
bitmap = null;
if (source != null)
source = null;
if (srcbitmap != null)
srcbitmap = null;
}
}
}
public void StopWorker()
{
// starting timer
if (WorkerTimer != null)
{
WorkerTimer.Invalidate();
try { WorkerTimer.Dispose(); } catch { }
WorkerTimer = null;
try { NSRunLoop.Current.Dispose(); } catch { }
}
//Just in case
_multiFormatReader = null;
hints = null;
}
public ZxingScanner (ZxingViewController parent)
{
this.parent = parent;
this.reader = new MultiFormatReader {
Hints = new Hashtable {
{ DecodeHintType.POSSIBLE_FORMATS, new ArrayList {
BarcodeFormat.UPC_A, BarcodeFormat.UPC_E , BarcodeFormat.CODE_128,
BarcodeFormat.CODE_39, BarcodeFormat.EAN_13, BarcodeFormat.EAN_8,
BarcodeFormat.QR_CODE
} }
, { DecodeHintType.TRY_HARDER, true }
}
};
}
public ZxingSurfaceView (ZxingActivity activity, ZxingScanningOptions options)
: base (activity)
{
this.activity = activity;
screenResolution = new Size(this.activity.WindowManager.DefaultDisplay.Width, this.activity.WindowManager.DefaultDisplay.Height);
this.options = options;
this.reader = new MultiFormatReader {
Hints = new Hashtable {
//Formats to use
{ DecodeHintType.POSSIBLE_FORMATS, this.options.GetFormats() }
}
};
this.surface_holder = Holder;
this.surface_holder.AddCallback (this);
this.surface_holder.SetType (SurfaceType.PushBuffers);
this.tokenSource = new System.Threading.CancellationTokenSource();
}
public QrScanner (QrScannerViewController parent)
{
this.parent = parent;
this.reader = new MultiFormatReader {
Hints = new Hashtable {
{ DecodeHintType.POSSIBLE_FORMATS, new ArrayList { BarcodeFormat.QR_CODE } }
}
};
}
private void Initialize()
{
ScanOnAutoFocus = true; // scanOnAutoFocus;
// Gets the Dispatcher for the current application so we can invoke the UI-Thread to get
// preview-image and fire our timer events
uiDispatcher = Application.Current.RootVisual.Dispatcher;
InitializeCamera();
_reader = new MultiFormatReader();
var hints = new System.Collections.Hashtable();
hints.Add(DecodeHintType.POSSIBLE_FORMATS, this.Options.GetFormats());
_reader.Hints = hints;
}
private void Worker()
{
if (hints == null)
{
hints = new Hashtable();
hints.Add(com.google.zxing.DecodeHintType.POSSIBLE_FORMATS, this.Options.GetFormats());
hints.Add(com.google.zxing.DecodeHintType.NEED_RESULT_POINT_CALLBACK, new ResultCallBack(this));
}
if (_multiFormatReader == null)
{
//_multiFormatReader = new com.google.zxing.oned.MultiFormatOneDReader(hints);
_multiFormatReader = new com.google.zxing.MultiFormatReader();
_multiFormatReader.Hints = hints;
//_multiFormatReader = new MultiFormatReader {
// Hints = new Hashtable {
// { DecodeHintType.POSSIBLE_FORMATS, new ArrayList {
// BarcodeFormat.UPC_A, BarcodeFormat.UPC_E , BarcodeFormat.CODE_128,
// BarcodeFormat.CODE_39, BarcodeFormat.EAN_13, BarcodeFormat.EAN_8
// } }
// }
// };
}
using (var ap = new NSAutoreleasePool())
{
// Capturing screen image
using (var screenImage = CGImage.ScreenImage.WithImageInRect(picFrame)) //.WithImageInRect(picFrame))
{
using (var _theScreenImage = UIImage.FromImage(screenImage))
using (var srcbitmap = new Bitmap(_theScreenImage))
{
LuminanceSource source = null;
BinaryBitmap bitmap = null;
try
{
//Console.WriteLine(screenImage.Width.ToString() + " x " + screenImage.Height.ToString());
//var cropY = (int)((screenImage.Height * 0.4) / 2);
source = new RGBLuminanceSource(srcbitmap, screenImage.Width, screenImage.Height); //.crop(0, cropY, 0, screenImage.Height - cropY - cropY);
//Console.WriteLine(source.Width + " x " + source.Height);
bitmap = new BinaryBitmap(new HybridBinarizer(source));
try
{
var result = _multiFormatReader.decodeWithState(bitmap); //
//var result = _multiFormatReader.decodeWithState (bitmap);
//srcbitmap.Dispose();
if (result.Text != null)
{
//BeepOrVibrate();
_parentViewController.BarCodeScanned(result);
}
}
catch (ReaderException)
{
}
/*
* com.google.zxing.common.BitArray row = new com.google.zxing.common.BitArray(screenImage.Width);
*
* int middle = screenImage.Height >> 1;
* int rowStep = System.Math.Max(1, screenImage.Height >> (4));
*
* for (int x = 0; x < 9; x++)
* {
*
* // Scanning from the middle out. Determine which row we're looking at next:
* int rowStepsAboveOrBelow = (x + 1) >> 1;
* bool isAbove = (x & 0x01) == 0; // i.e. is x even?
* int rowNumber = middle + rowStep * (isAbove?rowStepsAboveOrBelow:- rowStepsAboveOrBelow);
* if (rowNumber < 0 || rowNumber >= screenImage.Height)
* {
* // Oops, if we run off the top or bottom, stop
* break;
* }
*
* // Estimate black point for this row and load it:
* try
* {
* row = bitmap.getBlackRow(rowNumber, row);
*
*
* var resultb = _multiFormatReader.decodeRow(rowNumber, row, hints);
* if(resultb.Text!=null)
* {
* Console.WriteLine("SCANNED");
* BeepOrVibrate();
* _parentViewController.BarCodeScanned(resultb);
*
*
* break;
* }
* else {
* continue;
* }
*
* }
* catch (ReaderException re)
* {
* continue;
* }
*
* }
*/
// var result = _barcodeReader.decodeWithState(bitmap);
//
// if(result.Text!=null)
// {
// _multiFormatOneDReader = null;
// BeepOrVibrate();
// _parentViewController.BarCodeScanned(result);
// }
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
finally {
if (bitmap != null)
{
bitmap = null;
}
if (source != null)
{
source = null;
}
// if(srcbitmap!=null)
// srcbitmap = null;
//if (_theScreenImage != null)
// _theScreenImage = null;
}
}
}
}
GC.Collect();
//Console.WriteLine("Done.");
}
private void Worker()
{
if(hints==null)
{
hints = new Hashtable();
hints.Add(com.google.zxing.DecodeHintType.POSSIBLE_FORMATS, this.Options.GetFormats());
hints.Add(com.google.zxing.DecodeHintType.NEED_RESULT_POINT_CALLBACK, new ResultCallBack(this));
}
if(_multiFormatReader == null)
{
//_multiFormatReader = new com.google.zxing.oned.MultiFormatOneDReader(hints);
_multiFormatReader = new com.google.zxing.MultiFormatReader();
_multiFormatReader.Hints = hints;
//_multiFormatReader = new MultiFormatReader {
// Hints = new Hashtable {
// { DecodeHintType.POSSIBLE_FORMATS, new ArrayList {
// BarcodeFormat.UPC_A, BarcodeFormat.UPC_E , BarcodeFormat.CODE_128,
// BarcodeFormat.CODE_39, BarcodeFormat.EAN_13, BarcodeFormat.EAN_8
// } }
// }
// };
}
using (var ap = new NSAutoreleasePool())
{
// Capturing screen image
using (var screenImage = CGImage.ScreenImage.WithImageInRect(picFrame)) //.WithImageInRect(picFrame))
{
using (var _theScreenImage = UIImage.FromImage(screenImage))
using (var srcbitmap = new Bitmap(_theScreenImage))
{
LuminanceSource source = null;
BinaryBitmap bitmap = null;
try
{
//Console.WriteLine(screenImage.Width.ToString() + " x " + screenImage.Height.ToString());
//var cropY = (int)((screenImage.Height * 0.4) / 2);
source = new RGBLuminanceSource(srcbitmap, screenImage.Width, screenImage.Height); //.crop(0, cropY, 0, screenImage.Height - cropY - cropY);
//Console.WriteLine(source.Width + " x " + source.Height);
bitmap = new BinaryBitmap(new HybridBinarizer(source));
try
{
var result = _multiFormatReader.decodeWithState(bitmap); //
//var result = _multiFormatReader.decodeWithState (bitmap);
//srcbitmap.Dispose();
if(result.Text!=null)
{
//BeepOrVibrate();
_parentViewController.BarCodeScanned(result);
}
}
catch (ReaderException)
{
}
/*
com.google.zxing.common.BitArray row = new com.google.zxing.common.BitArray(screenImage.Width);
int middle = screenImage.Height >> 1;
int rowStep = System.Math.Max(1, screenImage.Height >> (4));
for (int x = 0; x < 9; x++)
{
// Scanning from the middle out. Determine which row we're looking at next:
int rowStepsAboveOrBelow = (x + 1) >> 1;
bool isAbove = (x & 0x01) == 0; // i.e. is x even?
int rowNumber = middle + rowStep * (isAbove?rowStepsAboveOrBelow:- rowStepsAboveOrBelow);
if (rowNumber < 0 || rowNumber >= screenImage.Height)
{
// Oops, if we run off the top or bottom, stop
break;
}
// Estimate black point for this row and load it:
try
{
row = bitmap.getBlackRow(rowNumber, row);
var resultb = _multiFormatReader.decodeRow(rowNumber, row, hints);
if(resultb.Text!=null)
{
Console.WriteLine("SCANNED");
BeepOrVibrate();
_parentViewController.BarCodeScanned(resultb);
break;
}
else {
continue;
}
}
catch (ReaderException re)
{
continue;
}
}
*/
// var result = _barcodeReader.decodeWithState(bitmap);
//
// if(result.Text!=null)
// {
// _multiFormatOneDReader = null;
// BeepOrVibrate();
// _parentViewController.BarCodeScanned(result);
// }
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
finally {
if(bitmap!=null)
bitmap = null;
if(source!=null)
source = null;
// if(srcbitmap!=null)
// srcbitmap = null;
//if (_theScreenImage != null)
// _theScreenImage = null;
}
}
}
}
GC.Collect();
//Console.WriteLine("Done.");
}
private string DecodeImage(Image image)
{
//image = image.Substring("data:image/png;base64,".Length);
//var buffer = Convert.FromBase64String(image);
//// TODO: I am saving the image on the hard disk but
//// you could do whatever processing you want with it
//string documentName = DateTime.Now.ToString("yyyyMMddHHmmssfff")+".png";
//System.IO.File.WriteAllBytes(Server.MapPath("~/app_data/"+documentName), buffer);
//byte[] bytes = Convert.FromBase64String(image);
//Image _image;
//using (MemoryStream ms = new MemoryStream(bytes))
//{
// _image = Image.FromStream(ms);
//}
Result result = null;
try
{
Reader reader = new com.google.zxing.MultiFormatReader();
Bitmap image1 = new Bitmap(image);
LuminanceSource source = new RGBLuminanceSource(image1, image1.Width, image1.Height);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
result = reader.decode(bitmap);
//QRCodeDecoder decoder = new QRCodeDecoder();
////QRCodeDecoder.Canvas = new ConsoleCanvas();
//String decodedString = decoder.decode(new QRCodeBitmapImage(new Bitmap(_image)));
////txtDecodedData.Text = decodedString;
}
catch
{
return null;
}
return result.Text;
}
