Aspose.BarCode for .NET 6.9.0 Release Notes

 using (BarCodeBuilder builder =

new

BarCodeBuilder(

"TEXT"

, Symbology.Code128))

{

builder.FilledBars =

false

;

builder.Save(fileName);

}

Result:

 string codetext =

"12345"

;

using (BarCodeBuilder builder =

new

BarCodeBuilder(codetext, Symbology.MicroPdf417))

builder.Save(codetext +

".png"

);

Result:

 Added new API:



Property Aspose.BarCodeRecognition.BarCodeReader.ManualHints



Class Aspose.BarCodeRecognition.ManualHint


Field/Enum Aspose.BarCodeRecognition.ManualHint.None





Field/Enum Aspose.BarCodeRecognition.ManualHint.InvertImage




Field/Enum Aspose.BarCodeRecognition.ManualHint.IncorrectBarcodes





Field/Enum Aspose.BarCodeRecognition.ManualHint.ComplexBackground




Allows you to configure options of recognition accuracy and speed manually. You need to change the property "RecognitionMode" to "RecognitionMode.ManualHints". Default value is None.





ManualHint.None - There are no heavy recognition algorithms. The fastest recognition algorithms are used there, however if image is noisy recognition will fail. Used by default.


ManualHint.InvertImage - Use when image is white on black background. Typically BarCode images are white on black background





ManualHint.IncorrectBarcodes - Addition algorithms are included to recognize incorrectly generated or damaged barcodes (skipped bars, stop symbol, etc).





ManualHint.ComplexBackground - Analyzes barcode background. Useful with complex or colored backgrounds.

reader.RecognitionMode = RecognitionMode.ManualHints;

reader.ManualHints = ManualHint.InvertImage\| ManualHint.IncorrectBarcodes;

Property Aspose.BarCodeRecognition.BarCodeReader.RecognitionMode


Class Aspose.BarCodeRecognition.RecognitionMode




Field/Enum Aspose.BarCodeRecognition.RecognitionMode.MaxPerformance


Field/Enum Aspose.BarCodeRecognition.RecognitionMode.MaxQuality




Field/Enum Aspose.BarCodeRecognition.RecognitionMode.MaxBarCodes


Field/Enum Aspose.BarCodeRecognition.RecognitionMode.ManualHints



BarCodeReader.RecognitionMode allows to quickly set up and tune the processing speed and quality in a way which is the most appropriate for you needs. Default value is MaxPerformance.


RecognitionMode.MaxPerformance - finds all the possible good and average quality barcodes. Uses only the fastest algorithms. Enabled by default.



RecognitionMode.MaxQuality - finds all the possible barcodes with good or bad quality. Doesn't return potential barcodes. Uses different fast and slow algorithms.


RecognitionMode.MaxBarCodes - extends MaxQuality. Finds even potential barcodes. Uses extra algorithms which may recognize incorrect barcodes, barcodes on complex background, noisy or damaged barcodes and etc. You may observe extra spurious barcodes.



RecognitionMode.ManualHints - user configures hints optionally. Allows you to adjust the balance between speed and quality manually.

using (BarCodeReader reader =

new

BarCodeReader(

"differentBarcodes.png"

))

{

reader.RecognitionMode = RecognitionMode.MaxQuality;

while

(reader.Read()){

        Console.WriteLine(

"codetext: "

\+ reader.GetCodeText() +

"; type: "

\+ reader.GetReadType());

    }

}

Field/Enum Aspose.BarCodeRecognition.BarCodeReadType.MicroQR




Added support for Micro QR recognition.

BarCodeReader reader =

new

BarCodeReader(fileName, BarCodeReadType.MicroQR);

reader.Read();

string res = reader.GetCodeText();

reader.Close();

Method Aspose.BarCodeRecognition.BarCodeReader.GetDetectEncoding



Method Aspose.BarCodeRecognition.BarCodeReader.SetDetectEncoding(System.Boolean)



In case the flag is enabled the barcode engine returns Unicode text while tries to detect the encoding of the barcode. The barcode may be encoded using one of the following encodings:


UTF8




BOM_UTF8




BOM_UTF16BE



BOM_UTF16LE


The flag is enabled by default. In case the flag is disabled the engine returns plain text without encoding detection.



The flag works for QR/Micro QR at the moment.


MemoryStream ms =

new

MemoryStream();

using (BarCodeBuilder bb =

new

BarCodeBuilder())

{

bb.CodeText =

"?????"

;

bb.SymbologyType = Symbology.QR;

bb.CodeTextEncoding = Encoding.UTF8;

bb.Save(ms, BarCodeImageFormat.Png);

}

using (BarCodeReader reader =

new

BarCodeReader(ms, BarCodeReadType.QR))

{

reader.SetDetectEncoding(

true

);

if

(reader.Read())

Console.WriteLine(reader.GetCodeText()));

// "?????"

}

MemoryStream ms =

new

MemoryStream();

using (BarCodeBuilder bb =

new

BarCodeBuilder())

{

bb.CodeText =

"?????"

;

bb.SymbologyType = Symbology.QR;

bb.CodeTextEncoding = Encoding.UTF8;

bb.Save(ms, BarCodeImageFormat.Png);

}

using (BarCodeReader reader =

new

BarCodeReader(ms, BarCodeReadType.QR))

{

reader.SetDetectEncoding(

false

);

if

(reader.Read())

Console.WriteLine(reader.GetCodeText(Encoding.UTF8));

// "?????"

}