Basic Program Structure for Fingerprint Integration.cpp

#include <iostream>
#include <string>

// Hypothetical fingerprint SDK headers (Replace with actual SDK headers)
#include "FingerprintSDK.h" // Example header file for the biometric SDK

// Initialize the fingerprint scanner
bool initializeScanner() {
    // Hypothetical SDK initialization function
    int result = FingerprintSDK_Initialize();
    if (result != FINGERPRINT_SUCCESS) {
        std::cerr << "Failed to initialize fingerprint scanner. Error code: " << result << std::endl;
        return false;
    }
    std::cout << "Fingerprint scanner initialized successfully." << std::endl;
    return true;
}

// Capture fingerprint from the scanner
bool captureFingerprint() {
    std::cout << "Place your finger on the scanner..." << std::endl;

    // Hypothetical SDK function to capture fingerprint image
    FingerprintImage fingerprint;
    int result = FingerprintSDK_Capture(&fingerprint);
    if (result != FINGERPRINT_SUCCESS) {
        std::cerr << "Failed to capture fingerprint. Error code: " << result << std::endl;
        return false;
    }

    std::cout << "Fingerprint captured successfully." << std::endl;
    return true;
}

// Enroll a new fingerprint
bool enrollFingerprint() {
    std::cout << "Enrolling new fingerprint..." << std::endl;

    // Hypothetical SDK function to enroll fingerprint into the system
    FingerprintTemplate fingerprintTemplate;
    int result = FingerprintSDK_Enroll(&fingerprintTemplate);
    if (result != FINGERPRINT_SUCCESS) {
        std::cerr << "Failed to enroll fingerprint. Error code: " << result << std::endl;
        return false;
    }

    // Save the fingerprint template to a database or file for future use
    // In a real scenario, you'd save the template in a secure database
    std::cout << "Fingerprint enrolled successfully." << std::endl;
    return true;
}

// Authenticate a fingerprint by matching it against enrolled fingerprints
bool authenticateFingerprint() {
    std::cout << "Authenticating fingerprint..." << std::endl;

    // Hypothetical SDK function to authenticate fingerprint
    bool isMatch = false;
    int result = FingerprintSDK_Authenticate(&isMatch);
    if (result != FINGERPRINT_SUCCESS || !isMatch) {
        std::cerr << "Fingerprint authentication failed." << std::endl;
        return false;
    }

    std::cout << "Fingerprint authenticated successfully!" << std::endl;
    return true;
}

int main() {
    if (!initializeScanner()) {
        return 1; // Exit if the scanner initialization fails
    }

    std::string choice;
    std::cout << "Choose an action: (1) Enroll Fingerprint, (2) Authenticate Fingerprint" << std::endl;
    std::cin >> choice;

    if (choice == "1") {
        if (!enrollFingerprint()) {
            return 1; // Exit if enrollment fails
        }
    } else if (choice == "2") {
        if (!authenticateFingerprint()) {
            return 1; // Exit if authentication fails
        }
    } else {
        std::cerr << "Invalid choice!" << std::endl;
        return 1;
    }

    // Close the fingerprint SDK
    FingerprintSDK_Terminate();
    return 0;
}