private System.Drawing.Imaging.ImageFormat getGDIPlusImageFormat(MES.Core.Parameter.ImageOutputFormat imageFormat)
{
switch (imageFormat)
{
case MES.Core.Parameter.ImageOutputFormat.BMP:
{
return(System.Drawing.Imaging.ImageFormat.Bmp);
//break;
}
case MES.Core.Parameter.ImageOutputFormat.JPEG:
{
return(System.Drawing.Imaging.ImageFormat.Jpeg);
//break;
}
case MES.Core.Parameter.ImageOutputFormat.PNG:
{
return(System.Drawing.Imaging.ImageFormat.Png);
//break;
}
case MES.Core.Parameter.ImageOutputFormat.GIF:
{
return(System.Drawing.Imaging.ImageFormat.Gif);
//break;
}
default:
{
return(System.Drawing.Imaging.ImageFormat.Bmp);
//break;
}
}
}
public DataPair Compute(DataPair Pair)
{
DataPair returnValue = new DataPair()
{
Identifier = Pair.Identifier,
Items = new List <DataItem>()
};
if (Pair.Items != null)
{
foreach (DataItem item in Pair.Items)
{
returnValue.Items.Add(new DataItem()
{
DataBytes = item.DataBytes,
DataParameters = new List <DataParameter>(item.DataParameters.ToArray()),
DeviceID = item.DeviceID,
LocationID = item.LocationID
});
}
}
Bitmap bitmap = null;
ArrayList codesRead = null;
using (MemoryStream stream = new MemoryStream(returnValue.Items[0].DataBytes))
{
bitmap = Bitmap.FromStream(stream) as Bitmap;
}
this.getBarCode(bitmap, out bitmap, out codesRead);
byte[] buffer = null;
using (MemoryStream stream = new MemoryStream())
{
MES.Core.Parameter.ImageOutputFormat imageOutputFormat = (MES.Core.Parameter.ImageOutputFormat)(Enum.Parse(typeof(MES.Core.Parameter.ImageOutputFormat), Pair.Items[0].GetParameterValue("ImageOutputFormat")));
System.Drawing.Imaging.ImageFormat imageFormat = this.getGDIPlusImageFormat(imageOutputFormat);
bitmap.Save(stream, imageFormat);
buffer = stream.GetBuffer();
}
returnValue.Items[0].DataBytes = buffer;
returnValue.Items[0].Size = buffer.Length;
returnValue.Items[0].CreationTime = DateTime.Now;
returnValue.Items[0].Description = "Barcodes_Computed";
if ((codesRead != null) && (codesRead.Count > 0))
{
string barcodes = "";
for (int i = 0; i < codesRead.Count; i++)
{
if (codesRead[i] != null)
{
barcodes += codesRead[i].ToString();
}
if (i != (codesRead.Count - 1))
{
barcodes += ",";
}
}
returnValue.Items[0].DataParameters.Add(new DataParameter()
{
Name = "BarCodes",
Value = barcodes
});
}
returnValue.Items[0].DataParameters.AddRange(new DataParameter[]
{
new DataParameter()
{
Name = "BarCodeScanningTimes", Value = ModuleConfiguration.Default_BarCodeScanningTimes.ToString()
},
new DataParameter()
{
Name = "ImageRotationDegree", Value = ModuleConfiguration.Default_ImageRotationDegree.ToString()
},
new DataParameter()
{
Name = "FailureRetryTimes", Value = ModuleConfiguration.Default_FailureRetryTimes.ToString()
}
});
return(returnValue);
}
