C# 바코드 스캐너: .NET 애플리케이션에서 바코드 및 QR 코드 읽기

using IronBarCode;
using System;

// Read barcodes from the image file - supports PNG, JPG, BMP, GIF, and more
BarcodeResults results = BarcodeReader.Read("GetStarted.png");

// Check if any barcodes were detected
if (results != null && results.Count > 0)
{
    // Process each barcode found in the image
    foreach (BarcodeResult result in results)
    {
        // Extract the text value from the barcode
        Console.WriteLine("Barcode detected! Value: " + result.Text);

        // Additional properties available:
        // result.BarcodeType - The format (Code128, QR, etc.)
        // result.BinaryValue - Raw binary data if applicable
        // result.Confidence - Detection confidence score
    }
}
else
{
    Console.WriteLine("No barcodes detected in the image.");
}

Imports IronBarCode
Imports System

' Read barcodes from the image file - supports PNG, JPG, BMP, GIF, and more
Dim results As BarcodeResults = BarcodeReader.Read("GetStarted.png")

' Check if any barcodes were detected
If results IsNot Nothing AndAlso results.Count > 0 Then
    ' Process each barcode found in the image
    For Each result As BarcodeResult In results
        ' Extract the text value from the barcode
        Console.WriteLine("Barcode detected! Value: " & result.Text)

        ' Additional properties available:
        ' result.BarcodeType - The format (Code128, QR, etc.)
        ' result.BinaryValue - Raw binary data if applicable
        ' result.Confidence - Detection confidence score
    Next
Else
    Console.WriteLine("No barcodes detected in the image.")
End If

using IronBarCode;

// Configure advanced reading options for difficult barcodes
BarcodeReaderOptions options = new BarcodeReaderOptions
{
    // Speed settings: Faster, Balanced, Detailed, ExtremeDetail
    // ExtremeDetail performs deep analysis for challenging images
    Speed = ReadingSpeed.ExtremeDetail,

    // Specify expected formats to improve performance
    // Use bitwise OR (|) to combine multiple formats
    ExpectBarcodeTypes = BarcodeEncoding.QRCode | BarcodeEncoding.Code128,

    // Maximum number of barcodes to find (0 = unlimited)
    MaxParallelThreads = 4,

    // Crop region for faster processing of specific areas
    CropArea = null // Or specify a Rectangle
};

// Apply options when reading
BarcodeResults results = BarcodeReader.Read("TryHarderQR.png", options);

// Process detected barcodes
foreach (var barcode in results)
{
    Console.WriteLine($"Format: {barcode.BarcodeType}, Value: {barcode.Text}");
}

Imports IronBarCode

' Configure advanced reading options for difficult barcodes
Private options As New BarcodeReaderOptions With {
	.Speed = ReadingSpeed.ExtremeDetail,
	.ExpectBarcodeTypes = BarcodeEncoding.QRCode Or BarcodeEncoding.Code128,
	.MaxParallelThreads = 4,
	.CropArea = Nothing
}

' Apply options when reading
Private results As BarcodeResults = BarcodeReader.Read("TryHarderQR.png", options)

' Process detected barcodes
For Each barcode In results
	Console.WriteLine($"Format: {barcode.BarcodeType}, Value: {barcode.Text}")
Next barcode

using IronBarCode;

BarcodeReaderOptions options = new BarcodeReaderOptions
{
    // Apply image processing filters to enhance readability
    ImageFilters = new ImageFilterCollection
    {
        new AdaptiveThresholdFilter(9, 0.01f), // Handles varying lighting
        new ContrastFilter(2.0f),               // Increases contrast
        new SharpenFilter()                     // Reduces blur
    },

    // Automatically rotate to find barcodes at any angle
    AutoRotate = true,

    // Use multiple CPU cores for faster processing
    Multithreaded = true
};

BarcodeResults results = BarcodeReader.Read("TryHarderQR.png", options);

foreach (var result in results)
{
    Console.WriteLine($"Detected {result.BarcodeType}: {result.Text}");
    Console.WriteLine($"Confidence: {result.Confidence}%");
    Console.WriteLine($"Position: X={result.X}, Y={result.Y}");
}

Imports IronBarCode

Private options As New BarcodeReaderOptions With {
	.ImageFilters = New ImageFilterCollection From {
		New AdaptiveThresholdFilter(9, 0.01F),
		New ContrastFilter(2.0F),
		New SharpenFilter()
	},
	.AutoRotate = True,
	.Multithreaded = True
}

Private results As BarcodeResults = BarcodeReader.Read("TryHarderQR.png", options)

For Each result In results
	Console.WriteLine($"Detected {result.BarcodeType}: {result.Text}")
	Console.WriteLine($"Confidence: {result.Confidence}%")
	Console.WriteLine($"Position: X={result.X}, Y={result.Y}")
Next result