private async Task <string> ReadImageAsync(byte[] data)
{
try
{
var bitmap = new BitmapImage();
using (var stream = new InMemoryRandomAccessStream())
{
await stream.WriteAsync(data.AsBuffer());
stream.Seek(0);
await bitmap.SetSourceAsync(stream);
}
var source = new RGBLuminanceSource(data, bitmap.PixelWidth, bitmap.PixelHeight);
var reader = new ZXing.QrCode.QRCodeReader();
var binarizer = new HybridBinarizer(source);
var bitmapx = new BinaryBitmap(binarizer);
var result = reader.decode(bitmapx);
return(result.Text);
}
catch (Exception ex)
{
return(string.Empty);
}
}
public static string parse(Binarizer bin)
{
var bitmap = new BinaryBitmap(bin);
var reader = new ZXing.QrCode.QRCodeReader();
var result = reader.decode(bitmap);
if (result == null)
{
return(null);
}
return(result.Text);
}
/// <summary>
/// 读取二维码内容
/// </summary>
/// <param name="bitmap"></param>
/// <returns></returns>
public String ReadQrCode(Bitmap bitmap)
{
try
{
ZXing.BitmapLuminanceSource bitmapLuminanceSource = new BitmapLuminanceSource(bitmap);
BinaryBitmap image = new BinaryBitmap(new ZXing.Common.HybridBinarizer(bitmapLuminanceSource));
ZXing.QrCode.QRCodeReader qRCodeReader = new ZXing.QrCode.QRCodeReader();
Result res = qRCodeReader.decode(image);
return(res.Text);
}
catch
{
return(string.Empty);
}
}
public static List <QRCode> ExtractFrom(Image image)
{
List <QRCode> output = new List <QRCode>();
Bitmap bitmap = new Bitmap(image);
ZXing.QrCode.QRCodeReader qr = new ZXing.QrCode.QRCodeReader();
ZXing.LuminanceSource source = new ZXing.BitmapLuminanceSource(bitmap);
ZXing.Common.HybridBinarizer hybrid = new ZXing.Common.HybridBinarizer(source);
ZXing.BinaryBitmap binBitmap = new ZXing.BinaryBitmap(hybrid);
ZXing.Result[] multiresults = new ZXing.Multi.QrCode.QRCodeMultiReader().decodeMultiple(binBitmap);
if (multiresults != null && multiresults.Length > 0)
{
foreach (ZXing.Result result in multiresults)
{
QRCode qrCode = new QRCode(result.Text);
qrCode.Points = new PointF[result.ResultPoints.Length];
for (int i = 0; i < result.ResultPoints.Length; i++)
{
qrCode.Points[i] = new PointF(result.ResultPoints[i].X, result.ResultPoints[i].Y);
}
output.Add(qrCode);
}
}
ZXing.Result singleresult = qr.decode(binBitmap);
if (singleresult != null)
{
QRCode qrCode = new QRCode(singleresult.Text);
qrCode.Points = new PointF[4];
qrCode.Points[0] = new PointF(singleresult.ResultPoints[0].X, singleresult.ResultPoints[0].Y);
qrCode.Points[1] = new PointF(singleresult.ResultPoints[1].X, singleresult.ResultPoints[1].Y);
qrCode.Points[2] = new PointF(singleresult.ResultPoints[2].X, singleresult.ResultPoints[2].Y);
if (singleresult.ResultPoints.Length > 2)
{
qrCode.Points[3] = new PointF(singleresult.ResultPoints[3].X, singleresult.ResultPoints[3].Y);
}
output.Add(qrCode);
}
return(output);
}
private string ReadImageAsync(byte[] data)
{
try
{
var originalImage = BitmapFactory.DecodeByteArray(data, 0, data.Length);
var source = new RGBLuminanceSource(data, originalImage.Width, originalImage.Height);
var reader = new ZXing.QrCode.QRCodeReader();
var binarizer = new HybridBinarizer(source);
var bitmapx = new BinaryBitmap(binarizer);
var result = reader.decode(bitmapx);
return(result.Text);
}
catch (Exception ex)
{
return(string.Empty);
}
}
public static string QRDecoder(System.IO.Stream qrCodeFileStream)
{
var sKManagedStream = new SkiaSharp.SKManagedStream(qrCodeFileStream, true);
var sKBitmap = SkiaSharp.SKBitmap.Decode(sKManagedStream);
sKManagedStream.Dispose();
if (sKBitmap.IsEmpty)
{
sKBitmap.Dispose();
throw new Exception("未识别的图片文件");
}
var w = sKBitmap.Width;
var h = sKBitmap.Height;
int ps = w * h;
byte[] bytes = new byte[ps * 3];
int byteIndex = 0;
for (var x = 0; x < w; x++)
{
for (var y = 0; y < h; y++)
{
var color = sKBitmap.GetPixel(x, y);
bytes[byteIndex + 0] = color.Red;
bytes[byteIndex + 1] = color.Green;
bytes[byteIndex + 2] = color.Blue;
byteIndex += 3;
}
}
sKBitmap.Dispose();
var qRCodeReader = new ZXing.QrCode.QRCodeReader();
var rGBLuminanceSource = new ZXing.RGBLuminanceSource(bytes, w, h);
var hybridBinarizer = new ZXing.Common.HybridBinarizer(rGBLuminanceSource);
var binaryBitmap = new ZXing.BinaryBitmap(hybridBinarizer);
var hints = new Dictionary <ZXing.DecodeHintType, object>();
hints.Add(ZXing.DecodeHintType.CHARACTER_SET, "utf-8");
var result = qRCodeReader.decode(binaryBitmap, hints);
return(result != null ? result.Text : "");
}
public void CheckBarCode()
{
try {
using(var bbImage = new System.Drawing.Bitmap (codeImage)){
Reader barReader = new ZXing.QrCode.QRCodeReader();
//Reader barReader = new MultiFormatReader ();
LuminanceSource source = new RGBLuminanceSource (bbImage, (int)codeImage.Size.Width, (int)codeImage.Size.Height);
BinaryBitmap bb = new BinaryBitmap (new HybridBinarizer (source));
Result res = barReader.decode (bb);
InvokeOnMainThread (() => {
codeImage.Dispose();
if (res != null) {
//result has the string from the image
//AppDelegate.main.decryptVC.txtScanResult.Text = res.Text;
AppDelegate.main.decryptVC.ProcessScannedCode(res.Text);
} else {
//no valid code found;
}
numRuns++;
barChecking = false;
});
}
} catch (Exception e) {
barChecking = false;
Console.WriteLine (e);
}
}
private async void ScanQRCodeItem_Click(object sender, EventArgs e)
{
foreach (Screen screen in Screen.AllScreens)
{
using (var fullImage = new System.Drawing.Bitmap(screen.Bounds.Width,
screen.Bounds.Height))
{
using (var g = System.Drawing.Graphics.FromImage(fullImage))
{
g.CopyFromScreen(screen.Bounds.X,
screen.Bounds.Y,
0, 0,
fullImage.Size,
System.Drawing.CopyPixelOperation.SourceCopy);
}
int maxTry = 10;
for (int i = 0; i < maxTry; i++)
{
int marginLeft = (int)((double)fullImage.Width * i / 2.5 / maxTry);
int marginTop = (int)((double)fullImage.Height * i / 2.5 / maxTry);
var cropRect = new System.Drawing.Rectangle(marginLeft, marginTop, fullImage.Width - marginLeft * 2, fullImage.Height - marginTop * 2);
var target = new System.Drawing.Bitmap(screen.Bounds.Width, screen.Bounds.Height);
double imageScale = (double)screen.Bounds.Width / (double)cropRect.Width;
using (var g = System.Drawing.Graphics.FromImage(target))
{
g.DrawImage(fullImage, new System.Drawing.Rectangle(0, 0, target.Width, target.Height),
cropRect,
System.Drawing.GraphicsUnit.Pixel);
}
var source = new ZXing.BitmapLuminanceSource(target);
var bitmap = new ZXing.BinaryBitmap(new ZXing.Common.HybridBinarizer(source));
var reader = new ZXing.QrCode.QRCodeReader();
var result = reader.decode(bitmap);
if (result != null)
{
var splash = new QRCodeSplashForm();
if (result.Text.StartsWith("vmess://", StringComparison.OrdinalIgnoreCase))
{
var success = await controller.AddServerBySSURL(result.Text);
if (success)
{
splash.FormClosed += splash_FormClosed;
}
}
else if (result.Text.StartsWith("http://", StringComparison.OrdinalIgnoreCase) || result.Text.StartsWith("https://", StringComparison.OrdinalIgnoreCase))
{
_urlToOpen = result.Text;
splash.FormClosed += openURLFromQRCode;
}
else
{
_urlToOpen = result.Text;
splash.FormClosed += copyFromQRCode;
}
double minX = Int32.MaxValue, minY = Int32.MaxValue, maxX = 0, maxY = 0;
foreach (ZXing.ResultPoint point in result.ResultPoints)
{
minX = Math.Min(minX, point.X);
minY = Math.Min(minY, point.Y);
maxX = Math.Max(maxX, point.X);
maxY = Math.Max(maxY, point.Y);
}
minX /= imageScale;
minY /= imageScale;
maxX /= imageScale;
maxY /= imageScale;
double margin = (maxX - minX) * 0.20f;
minX += -margin + marginLeft;
maxX += margin + marginLeft;
minY += -margin + marginTop;
maxY += margin + marginTop;
splash.Location = new System.Drawing.Point(screen.Bounds.X, screen.Bounds.Y);
splash.TargetRect = new System.Drawing.Rectangle((int)minX + screen.Bounds.X, (int)minY + screen.Bounds.Y, (int)maxX - (int)minX, (int)maxY - (int)minY);
splash.Size = new System.Drawing.Size(fullImage.Width, fullImage.Height);
splash.Show();
return;
}
}
}
}
MessageBox.Show(I18N.GetString("No QRCode found. Try to zoom in or move it to the center of the screen."));
}
public void splitTiff(GdPictureImaging _gdPictureImaging, string file)
{
lock (lockThis)
{
string diretoriodeEnvio = ConfigurationManager.AppSettings["pastaSAIDA"];
string diretorioMerge = ConfigurationManager.AppSettings["pastaMERGE"];
string diretorioerro = ConfigurationManager.AppSettings["pastaERRO"];
string diretoriobackup = ConfigurationManager.AppSettings["pastaBACKUP"];
string pastazuada = ConfigurationManager.AppSettings["pastazuada"];
string pastaJoin = ConfigurationManager.AppSettings["pastaJoin"];
String identificacaoArquivo = Guid.NewGuid().ToString();
string merge = diretorioMerge + @"\" + identificacaoArquivo;
string pastajoinArq = pastaJoin + @"\" + identificacaoArquivo;
if (!Directory.Exists(merge))
{
Directory.CreateDirectory(merge);
}
if (!Directory.Exists(pastajoinArq))
{
Directory.CreateDirectory(pastajoinArq);
}
int TiffImageID = _gdPictureImaging.TiffCreateMultiPageFromFile(file);
int ImageCount = _gdPictureImaging.TiffGetPageCount(TiffImageID);
string DocmentName = "";
int ContadorPaginas = 0;
String CodUnimed = "", NumBeneficiario, CodPrestador, DataAtendimento, NumNotaGuia;
List <string> lista = new List <string>();
try
{
for (int i = 1; i <= ImageCount; i++)
{
var tif = _gdPictureImaging.TiffSelectPage(TiffImageID, i);
if (tif == 0)
{
List <String> barcode = new List <string>();
ContadorPaginas++;
if (_gdPictureImaging.BarcodeQRReaderDoScan(TiffImageID) == GdPicture.GdPictureStatus.OK)
{
var str = pastajoinArq + @"\" + Guid.NewGuid() + ".tif";
_gdPictureImaging.SaveAsTIFF(TiffImageID, str, TiffCompression.TiffCompressionCCITT4);
// load a bitmap
var readers = new ZXing.QrCode.QRCodeReader();
var barcodeBitmsap = (Bitmap)Bitmap.FromFile(str);
LuminanceSource sources = new BitmapLuminanceSource(barcodeBitmsap);
BinaryBitmap binBitmap = new BinaryBitmap(new GlobalHistogramBinarizer(sources));
var resulst = readers.decode(binBitmap);
barcodeBitmsap.Dispose();
if (resulst != null)
{
barcode.Add(resulst.Text);
}
if (barcode.Count == 0)
{
var result = _gdPictureImaging.BarcodeQRReaderGetBarcodeCount();
for (int bar = 1; bar <= result; bar++)
{
barcode.Add(_gdPictureImaging.BarcodeQRReaderGetBarcodeValue(bar));
}
}
if (barcode.Count > 0)
{
foreach (var item in barcode)
{
if (item.Length == 54)
{
if (DocmentName == "")
{
CodUnimed = item.Substring(0, 4);
NumBeneficiario = item.Substring(4, 13);
CodPrestador = item.Substring(17, 9).TrimStart('0');
DataAtendimento = item.Substring(26, 8);
NumNotaGuia = item.Substring(34, 20).TrimStart('0');
DocmentName = "Producao Medica_" + CodUnimed + "_" + NumBeneficiario + "_" + CodPrestador + "_" + DataAtendimento + "_" + NumNotaGuia + "_GuiasAtendimento.tif";
}
else
{
if (lista.Count > 0)
{
///join dos arquivos
_gdPictureImaging.TiffMergeFiles(lista.ToArray(), merge + @"\" + DocmentName, TiffCompression.TiffCompressionCCITT4);
while (true)
{
if (!IsFileLocked(merge + @"\" + DocmentName))
{
break;
}
}
if (!File.Exists(diretoriodeEnvio + @"\" + DocmentName))
{
File.Move(merge + @"\" + DocmentName, diretoriodeEnvio + @"\" + DocmentName);
}
lista = new List <string>();
CodUnimed = item.Substring(0, 4);
NumBeneficiario = item.Substring(4, 13);
CodPrestador = item.Substring(17, 9).TrimStart('0');
DataAtendimento = item.Substring(26, 8);
NumNotaGuia = item.Substring(34, 20).TrimStart('0');
DocmentName = "Producao Medica_" + CodUnimed + "_" + NumBeneficiario + "_" + CodPrestador + "_" + DataAtendimento + "_" + NumNotaGuia + "_GuiasAtendimento.tif";// "Producao Medica_" + CodUnimed + "_" + NumBeneficiario + "_" + CodPrestador + "_" + DataAtendimento + "_" + NumNotaGuia + "_GuiasAtendimento.tif";
}
}
}
}
var intDestDocID = _gdPictureImaging.CreateClonedGdPictureImageI(TiffImageID);
var guid = Guid.NewGuid();
var nome = merge + @"\" + guid + ".tif";
_gdPictureImaging.SaveAsTIFF(intDestDocID, nome, TiffCompression.TiffCompressionCCITT4);
lista.Add(nome);
}
else
{
var intDestDocID = _gdPictureImaging.CreateClonedGdPictureImageI(TiffImageID);
var guid = Guid.NewGuid();
var nome = merge + @"\" + guid + ".tif";
_gdPictureImaging.SaveAsTIFF(intDestDocID, nome, TiffCompression.TiffCompressionCCITT4);
lista.Add(nome);
}
}
if (ContadorPaginas == 1 && (barcode.Where(_s => _s.Length > 54).Count() > 0 || barcode.Where(_s => _s.Length > 54).Count() < 0))
{
var intDestDocID = _gdPictureImaging.CreateClonedGdPictureImageI(TiffImageID);
var guid = Guid.NewGuid();
var nome = pastazuada + @"\" + guid + ".tif";
_gdPictureImaging.SaveAsTIFF(intDestDocID, nome, TiffCompression.TiffCompressionCCITT4);
lista.Add(nome);
}
if (ContadorPaginas == ImageCount)
{
if (DocmentName == "")
{
_gdPictureImaging.ReleaseGdPictureImage(TiffImageID);
while (true)
{
if (!IsFileLocked(file))
{
break;
}
}
if (!File.Exists(pastazuada + @"\" + Path.GetFileName(file)))
{
File.Move(file, pastazuada + @"\" + Path.GetFileName(file));
}
}
else
{
var d = _gdPictureImaging.TiffMergeFiles(lista.ToArray(), diretorioMerge + @"\" + DocmentName, TiffCompression.TiffCompressionCCITT4);
while (true)
{
if (!IsFileLocked(diretorioMerge + @"\" + DocmentName))
{
//if (File.Exists(diretoriodeEnvio + @"\" + DocmentName))
//{
// File.Delete(diretoriodeEnvio + @"\" + DocmentName);
//}
if (!File.Exists(diretoriodeEnvio + @"\" + DocmentName))
{
File.Move(diretorioMerge + @"\" + DocmentName, diretoriodeEnvio + @"\" + DocmentName);
}
else
{
int contador = 0;
var nomeArq = diretorioMerge + @"\" + DocmentName.Replace(".tif", "") + "(" + contador + ")" + ".tif";
while (File.Exists(nomeArq))
{
contador++;
nomeArq = diretorioMerge + @"\" + DocmentName.Replace(".tif", "") + "(" + contador + ")" + ".tif";
}
File.Move(diretorioMerge + @"\" + DocmentName, diretoriodeEnvio + @"\" + nomeArq);
}
break;
}
}
}
lista = new List <string>();
}
}
}
}
catch (Exception ex)
{
using (FileStream fs = File.Create("c:\\errrrrrrr.txt"))
{
Byte[] info = new UTF8Encoding(true).GetBytes(ex.Message);
// Add some information to the file.
fs.Write(info, 0, info.Length);
}
throw new Exception(ex.Message);
}
finally
{
_gdPictureImaging.ReleaseGdPictureImage(TiffImageID);
while (true)
{
if (!IsFileLocked(file))
{
File.Delete(file);
break;
}
}
deleteMerge(merge);
deleteMerge(pastajoinArq);
}
}
}
