如何使用不同的扫描模式读取二维码

using System.Linq;
using IronQr;
using IronQr.Enum;
using IronSoftware.Drawing;
using System.IO;

 // Load the image
var bmp = AnyBitmap.FromFile("damaged-qr.png");

// Create scan input using Only Basic Scan mode
var input = new QrImageInput(bmp, QrScanMode.OnlyBasicScan);

// Get the result
var result = new QrReader().Read(input).FirstOrDefault();

// Save the output to a text file
File.WriteAllText("basic-scan-output.txt", result.Value);

Imports System.Linq
Imports IronQr
Imports IronQr.Enum
Imports IronSoftware.Drawing
Imports System.IO

' Load the image
Dim bmp = AnyBitmap.FromFile("damaged-qr.png")

' Create scan input using Only Basic Scan mode
Dim input = New QrImageInput(bmp, QrScanMode.OnlyBasicScan)

' Get the result
Dim result = (New QrReader()).Read(input).FirstOrDefault()

' Save the output to a text file
File.WriteAllText("basic-scan-output.txt", result.Value)

using System;
using IronQr;
using IronQr.Enum;
using IronSoftware.Drawing;

// Load the image file
var bmp = AnyBitmap.FromFile("cup.png");

// Create scan input using Auto Scan mode
var input = new QrImageInput(bmp, QrScanMode.Auto);

// Scan and read all QR codes
var results = new QrReader().Read(input);

// Initialize a counter to track the number of QR codes
int count = 1;

// Loop through each discovered QR code
foreach (var result in results)
{
    Console.WriteLine($"QR {count}: {result.Value}");
    count++;
}

Imports System
Imports IronQr
Imports IronQr.Enum
Imports IronSoftware.Drawing

' Load the image file
Dim bmp = AnyBitmap.FromFile("cup.png")

' Create scan input using Auto Scan mode
Dim input = New QrImageInput(bmp, QrScanMode.Auto)

' Scan and read all QR codes
Dim results = New QrReader().Read(input)

' Initialize a counter to track the number of QR codes
Dim count As Integer = 1

' Loop through each discovered QR code
For Each result In results
    Console.WriteLine($"QR {count}: {result.Value}")
    count += 1
Next

using System;
using System.Linq;
using IronQr;
using IronQr.Enum;
using IronSoftware.Drawing;

// Load the image
var bmp = AnyBitmap.FromFile("cup.png");

// Create scan input using Detection Model mode
var input = new QrImageInput(bmp, QrScanMode.OnlyDetectionModel);

// Read QR code
var result = new QrReader().Read(input).FirstOrDefault();

// Print position data
if (result != null)
{
    if (result.Points != null)
    {
        foreach (var point in result.Points)
        {
            Console.WriteLine($"Point: X={point.X}, Y={point.Y}");
        }
    }
}

Imports System
Imports System.Linq
Imports IronQr
Imports IronQr.Enum
Imports IronSoftware.Drawing

' Load the image
Dim bmp = AnyBitmap.FromFile("cup.png")

' Create scan input using Detection Model mode
Dim input = New QrImageInput(bmp, QrScanMode.OnlyDetectionModel)

' Read QR code
Dim result = (New QrReader()).Read(input).FirstOrDefault()

' Print position data
If result IsNot Nothing Then
    If result.Points IsNot Nothing Then
        For Each point In result.Points
            Console.WriteLine($"Point: X={point.X}, Y={point.Y}")
        Next
    End If
End If