//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
FOutput.SliceCount = 1;
IStatus.SliceCount = 1;
if ((FEnabled[0]) && (FStreamIn[0].Length > 16)) {
var bmp = Bitmap.FromStream(FStreamIn[0]);
var reader = new ZXing.BarcodeReader { TryHarder = FTryHard[0] };
var results = reader.DecodeMultiple((Bitmap)bmp);
if (results != null) {
for (int i = 0; i < results.Length; i++) {
var result = results[i];
FOutput.SliceCount = results.Length;
FPoints.SliceCount = results.Length;
IStatus.SliceCount = results.Length;
FOutput[i] = ((ZXing.Result)(result)).Text;
FPoints[i].ResizeAndDismiss(0);
//FLogger.Log(LogType.Debug,results.Length.ToString());
for (int j = 0; j < result.ResultPoints.Length; j++) {
var v = new Vector2D((2 * result.ResultPoints[j].X / bmp.Width) - 1, (-2 * result.ResultPoints[j].Y / bmp.Height) + 1);
FPoints[i].Add(v);
}
IStatus[i] = 1;
}
} else {
FOutput[0] = "";
FPoints[0].SliceCount = 0;
FPoints[0].ResizeAndDismiss(0);
IStatus[0] = 0;
}
}
}
//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
FOutput.SliceCount = 1;
IStatus.SliceCount = 1;
if ((FEnabled[0]) && (FStreamIn[0].Length > 16))
{
var bmp = Bitmap.FromStream(FStreamIn[0]);
var reader = new ZXing.BarcodeReader {
TryHarder = FTryHard[0]
};
var results = reader.DecodeMultiple((Bitmap)bmp);
if (results != null)
{
for (int i = 0; i < results.Length; i++)
{
var result = results[i];
FOutput.SliceCount = results.Length;
FPoints.SliceCount = results.Length;
IStatus.SliceCount = results.Length;
FOutput[i] = ((ZXing.Result)(result)).Text;
FPoints[i].ResizeAndDismiss(0);
//FLogger.Log(LogType.Debug,results.Length.ToString());
for (int j = 0; j < result.ResultPoints.Length; j++)
{
var v = new Vector2D((2 * result.ResultPoints[j].X / bmp.Width) - 1, (-2 * result.ResultPoints[j].Y / bmp.Height) + 1);
FPoints[i].Add(v);
}
IStatus[i] = 1;
}
}
else
{
FOutput[0] = "";
FPoints[0].SliceCount = 0;
FPoints[0].ResizeAndDismiss(0);
IStatus[0] = 0;
}
}
}
private DecodeResult CallDecode(BitmapLuminanceSource imageAsLuminance, long singleStart)
{
var tempResults = new List <Result>();
if (_config.TryMultipleBarcodeTypes)
{
tempResults = barcodeReader.DecodeMultiple(imageAsLuminance)?.ToList() ?? new List <Result>();
}
else
{
var result = barcodeReader.Decode(imageAsLuminance);
tempResults.Add(result);
}
var mappedResult = new DecodeResult();
if (tempResults.Count > 0)
{
mappedResult = new DecodeResult(tempResults[0]);
}
// search for the correct one (that works) if multiple results
foreach (var item in tempResults)
{
if (item == null)
{
continue;
}
var encodedData = StandardOutputTransformer.RetrieveNameAndPages(item.Text);
if (!string.IsNullOrWhiteSpace(encodedData.Item1) && encodedData.Item2 != 0 && encodedData.Item3 != 0)
{
mappedResult = new DecodeResult(item);
break;
}
}
return(mappedResult);
}
private int Decode(Bitmap inputBitmap, bool tryMultipleBarcodes, IList <BarcodeFormat> possibleFormats, int x, int y, float fXMultiplier, float fYMultiplier, out Rectangle rectFound)
{
rectFound = new Rectangle();
lastResults.Clear();
IList <Result> results = null;
var previousFormats = barcodeReader.Options.PossibleFormats;
if (possibleFormats != null)
{
barcodeReader.Options.PossibleFormats = possibleFormats;
}
if (tryMultipleBarcodes)
{
results = barcodeReader.DecodeMultiple(inputBitmap);
}
else
{
var result = barcodeReader.Decode(inputBitmap);
if (result != null)
{
if (results == null)
{
results = new List <Result>();
}
results.Add(result);
}
}
barcodeReader.Options.PossibleFormats = previousFormats;
if (results == null)
{
return(0);
}
return(results.Count);
}
private List<string> QRDecodeMulti(Bitmap qrImage, bool showMask = true )
{
using (qrImage)
{
#if DEBUG
qrImage.Save("screensnap.png");
#endif
//var br = new BarcodeReader( null,
// bitmap => new BitmapLuminanceSource(bitmap),
// luminance => new GlobalHistogramBinarizer(luminance));
var br = new BarcodeReader();
setDecodeOptions(br);
try
{
var results = br.DecodeMultiple(qrImage);
if (results != null)
{
var textList = new List<string>();
foreach (var result in results)
{
if ( showMask ) ShowQRCodeMask( result, qrImage );
textList.Add(result.Text);
}
//SystemSounds.Asterisk.Play();
SystemSounds.Beep.Play();
return (textList);
}
else
{
#if DEBUG
MessageBox.Show(this, "Failed to find Code!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
#endif
SystemSounds.Exclamation.Play();
return (new List<string>());
}
}
catch
{
SystemSounds.Exclamation.Play();
return (new List<string>());
}
}
}
public void Evaluate(int SpreadMax)
{
if (FTextureIn.IsChanged)
{
for (int i = 0; i < FOutput.SliceCount; i++)
{
FOutput[i].SliceCount = 0;
FFormat[i].SliceCount = 0;
FStatus[i].SliceCount = 0;
}
FOutput.SliceCount = 1;
FFormat.SliceCount = 1;
FStatus.SliceCount = 1;
}
if (this.FTextureIn.IsConnected)
{
RenderRequest?.Invoke(this, FHost);
if (AssignedContext == null)
{
FStatus.SliceCount = 0; return;
}
//Do NOT cache this, assignment done by the host
var context = AssignedContext;
FOutput.SliceCount = SpreadMax;
FFormat.SliceCount = SpreadMax;
FStatus.SliceCount = SpreadMax;
for (int i = 0; i < SpreadMax; i++)
{
if (FTextureIn[i].Contains(context) && FRead[i])
{
FOutput[i].SliceCount = 0;
FFormat[i].SliceCount = 0;
FStatus[i].SliceCount = 0;
var reader = new ZXing.BarcodeReader();
try
{
MemoryStream memoryStream = new MemoryStream();
Texture2D.ToStream(context.CurrentDeviceContext, FTextureIn[i][context].Resource, SlimDX.Direct3D11.ImageFileFormat.Bmp, memoryStream);
Bitmap bmp = new Bitmap(memoryStream);
var results = reader.DecodeMultiple(bmp);
if (results != null)
{
var count = results.Length;
FOutput[i].SliceCount = count;
FFormat[i].SliceCount = count;
FStatus[i].SliceCount = count;
for (int j = 0; j < count; j++)
{
var result = results[j];
FOutput[i][j] = result.Text;
FFormat[i][j] = result.BarcodeFormat.ToString();
FStatus[i][j] = "Success";
}
}
else
{
FOutput[i].SliceCount = 1;
FFormat[i].SliceCount = 1;
FStatus[i].SliceCount = 1;
FOutput[i][0] = "";
FFormat[i][0] = "";
FStatus[i][0] = "No Barcode Found";
}
}
catch (Exception ex)
{
FLogger.Log(ex);
FOutput[i].SliceCount = 1;
FFormat[i].SliceCount = 1;
FStatus[i].SliceCount = 1;
FOutput[i][0] = "";
FFormat[i][0] = "";
FStatus[i][0] = ex.Message;
}
}
}
}
else
{
FOutput.SliceCount = 1;
FFormat.SliceCount = 1;
FStatus.SliceCount = 1;
}
}
/// <summary>
/// Performs the analysis on the image
/// </summary>
public void Analyze(bool thorough = true)
{
if (this.m_disposed)
{
throw new ObjectDisposedException("ImageProcessor");
}
if (this.IsScannable)
{
return;
}
LuminanceSource source = new BitmapLuminanceSource(this.m_bitmap);
var binarizer = new HybridBinarizer(source);
var binBitmap = new BinaryBitmap(binarizer);
// Try to extract the form data
var barReader = new ZXing.BarcodeReader();
barReader.AutoRotate = true;
barReader.Options.TryHarder = thorough;
barReader.Options.PossibleFormats = new List <BarcodeFormat>()
{
BarcodeFormat.CODE_128
};
this.m_barcodeResults = barReader.DecodeMultiple(source);
// Look for barcode markers if possible
if (this.m_barcodeResults != null)
{
this.m_markerCodes = this.m_barcodeResults.Where(o => o.Text.StartsWith("OMR:")).ToArray();
}
this.IsScannable = true;
// Get the template data
var markerCode = this.m_markerCodes == null ? null : this.m_markerCodes.FirstOrDefault(o => o.Text.StartsWith("OMR:TL") || o.Text.StartsWith("OMR:ID"));
// Get the guiding points by circles
GrayscaleY grayFilter = new GrayscaleY();
Threshold thresholdFilter = new Threshold(127);
Invert invertFilter = new Invert();
using (Bitmap searchImage = invertFilter.Apply(thresholdFilter.Apply(grayFilter.Apply(this.m_bitmap))))
{
// Blobs
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 30;
blobCounter.MinWidth = 30;
// Check for circles
blobCounter.ProcessImage(searchImage);
Blob[] blobs = blobCounter.GetObjectsInformation();
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
List <AForge.Point> controlPoints = new List <AForge.Point>();
int currentCheck = 45;
while (currentCheck-- > 20 && controlPoints.Count != 4)
{
controlPoints.Clear();
// Get the positions
foreach (var blob in blobs)
{
AForge.Point center = new AForge.Point();
float radius = 0;
if (shapeChecker.IsCircle(blobCounter.GetBlobsEdgePoints(blob), out center, out radius) &&
(radius * 2) >= currentCheck)
{
controlPoints.Add(center);
}
}
}
// Control points
this.IsScannable &= controlPoints.Count == 4;
if (!this.IsScannable)
{
return;
}
// Now set markers
this.m_topLeft = controlPoints[0]; //new AForge.Point(this.m_bitmap.Width + 10, this.m_bitmap.Height + 10);
this.m_topRight = controlPoints[1];
this.m_bottomLeft = controlPoints[2];
this.m_bottomRight = controlPoints[3];
// Find the right most bubble
float rightMost = controlPoints.Select(o => o.X).Max(),
leftMost = controlPoints.Select(o => o.X).Min();
// Organize those that are left/right
AForge.Point[] lefties = controlPoints.Where(o => o.X < leftMost + (rightMost - leftMost) / 2).ToArray(),
righties = controlPoints.Where(o => o.X > leftMost + (rightMost - leftMost) / 2).ToArray();
// HACK:
if (lefties[0].Y < lefties[1].Y)
{
this.m_topLeft = lefties[0];
this.m_bottomLeft = lefties[1];
}
else
{
this.m_topLeft = lefties[1];
this.m_bottomLeft = lefties[0];
}
// HACK:
if (righties[0].Y < righties[1].Y)
{
this.m_topRight = righties[0];
this.m_bottomRight = righties[1];
}
else
{
this.m_topRight = righties[1];
this.m_bottomRight = righties[0];
}
}
if (!this.IsScannable)
{
return;
}
// Get the template data
if (this.m_markerCodes != null && markerCode != null)
{
String[] templateData = markerCode.Text.Split(':');
if (templateData.Length > 2)
{
this.TemplateName = templateData[2];
if (templateData.Length > 3)
{
this.Parameters = templateData.Skip(3).ToArray();
}
}
}
}
private Result[] decodeMulti(Uri uri, string originalInput, IDictionary<DecodeHintType, object> hints)
{
Bitmap image;
try
{
image = (Bitmap)Bitmap.FromFile(uri.LocalPath);
}
catch (Exception)
{
throw new FileNotFoundException("Resource not found: " + uri);
}
using (image)
{
LuminanceSource source;
if (config.Crop == null)
{
source = new BitmapLuminanceSource(image);
}
else
{
int[] crop = config.Crop;
source = new BitmapLuminanceSource(image).crop(crop[0], crop[1], crop[2], crop[3]);
}
if (config.DumpBlackPoint)
{
var bitmap = new BinaryBitmap(new HybridBinarizer(source));
dumpBlackPoint(uri, image, bitmap, source);
}
var reader = new BarcodeReader {AutoRotate = config.AutoRotate};
foreach (var entry in hints)
reader.Options.Hints.Add(entry.Key, entry.Value);
Result[] results = reader.DecodeMultiple(source);
if (results != null && results.Length > 0)
{
if (config.Brief)
{
Console.Out.WriteLine(uri + ": Success");
}
else
{
foreach (var result in results)
{
ParsedResult parsedResult = ResultParser.parseResult(result);
var resultString = originalInput + " (format: " + result.BarcodeFormat + ", type: " + parsedResult.Type + "):" + Environment.NewLine;
for (int i = 0; i < result.ResultPoints.Length; i++)
{
ResultPoint rp = result.ResultPoints[i];
Console.Out.WriteLine(" Point " + i + ": (" + rp.X + ',' + rp.Y + ')');
}
resultString += "Raw result:" + Environment.NewLine + result.Text + Environment.NewLine;
resultString += "Parsed result:" + Environment.NewLine + parsedResult.DisplayResult + Environment.NewLine;
Console.Out.WriteLine(resultString);
ResultString = resultString;
}
}
return results;
}
else
{
var resultString = originalInput + ": No barcode found";
Console.Out.WriteLine(resultString);
ResultString = resultString;
}
return null;
}
}
