BarCodeReader.SetBarCodeImage

SetBarCodeImage(Bitmap)

Sets bitmap image for recognition. Must be called before ReadBarCodes() method.

public void SetBarCodeImage(Bitmap value)

Parameter	Type	Description
value	Bitmap	The bitmap image for recognition.

Examples

This sample shows how to detect Code39 and Code128 barcodes.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    reader.SetBarCodeImage(bmp);
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader()
        reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
        reader.SetBarCodeImage(bmp)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

See Also

• class BarCodeReader
• namespace Aspose.BarCode.BarCodeRecognition
• assembly Aspose.BarCode

---

SetBarCodeImage(Bitmap, Rectangle[])

Sets bitmap image and areas for recognition. Must be called before ReadBarCodes() method.

public void SetBarCodeImage(Bitmap value, Rectangle[] areas)

Parameter	Type	Description
value	Bitmap	The bitmap image for recognition.
areas	Rectangle[]	areas list for recognition

Examples

This sample shows how to detect Code39 and Code128 barcodes.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    reader.SetBarCodeImage(bmp, new Rectangle[] { new Rectangle(0, 0, bmp.Width, bmp.Height) });
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader()
        reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
        reader.SetBarCodeImage(bmp, New Rectangle() {New Rectangle(0, 0, bmp.Width, bmp.Height)})
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

See Also

• class BarCodeReader
• namespace Aspose.BarCode.BarCodeRecognition
• assembly Aspose.BarCode

---

SetBarCodeImage(Bitmap, Rectangle)

Sets bitmap image and area for recognition. Must be called before ReadBarCodes() method.

public void SetBarCodeImage(Bitmap value, Rectangle area)

Parameter	Type	Description
value	Bitmap	The bitmap image for recognition.
area	Rectangle	area for recognition

Examples

This sample shows how to detect Code39 and Code128 barcodes.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    reader.SetBarCodeImage(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height));
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader()
        reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
        reader.SetBarCodeImage(bmp, New Rectangle(0, 0, bmp.Width, bmp.Height))
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

See Also

• class BarCodeReader
• namespace Aspose.BarCode.BarCodeRecognition
• assembly Aspose.BarCode

---

SetBarCodeImage(string)

Sets image file for recognition. Must be called before ReadBarCodes() method.

public void SetBarCodeImage(string filename)

Parameter	Type	Description
filename	String	The image file for recogniton.

Examples

This sample shows how to detect Code39 and Code128 barcodes.

[C#]
using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    reader.SetBarCodeImage(@"c:\test.png");
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using reader As New BarCodeReader()
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
    reader.SetBarCodeImage("c:\test.png")
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

See Also

• class BarCodeReader
• namespace Aspose.BarCode.BarCodeRecognition
• assembly Aspose.BarCode

---

SetBarCodeImage(Stream)

Sets image stream for recognition. Must be called before ReadBarCodes() method.

public void SetBarCodeImage(Stream stream)

Parameter	Type	Description
stream	Stream	The image stream for recogniton.

Examples

This sample shows how to detect Code39 and Code128 barcodes.

[C#]
using (FileStream fstr = new FileStream(@"c:\test.png", FileMode.Open))
using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    reader.SetBarCodeImage(fstr);
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using fstr = New FileStream("c:\test.png", FileMode.Open)
    Using reader As New BarCodeReader()
        reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
        reader.SetBarCodeImage(fstr)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

See Also

• class BarCodeReader
• namespace Aspose.BarCode.BarCodeRecognition
• assembly Aspose.BarCode