ms1inscription-v5/php/inc_fx_kc_qr.php

<?php

require_once __DIR__ . '/../libs/phpqrcode-master/qrlib.php';

/**
 * Logo MS1 au centre du QR (carré noir, texte blanc).
 */
function fxKcQrCreateLogoImage($intSize)
{
    $img = imagecreatetruecolor($intSize, $intSize);
    imagealphablending($img, true);
    imagesavealpha($img, true);

    $colBlack = imagecolorallocate($img, 0, 0, 0);
    $colWhite = imagecolorallocate($img, 255, 255, 255);
    imagefilledrectangle($img, 0, 0, $intSize, $intSize, $colBlack);

    $strFont = __DIR__ . '/../fonts/arial.ttf';
    if (!is_file($strFont)) {
        $strFont = 'C:/Windows/Fonts/arial.ttf';
    }

    if (is_file($strFont)) {
        $intLeftX = (int) round($intSize * 0.12);
        $intRightX = (int) round($intSize * 0.52);
        $intFontSmall = max(8, (int) round($intSize * 0.16));
        $intFontBig = max(12, (int) round($intSize * 0.42));

        imagettftext($img, $intFontSmall, 0, $intLeftX, (int) round($intSize * 0.30), $colWhite, $strFont, 'm');
        imagettftext($img, (int) round($intFontSmall * 0.55), 0, $intLeftX + (int) round($intSize * 0.04), (int) round($intSize * 0.46), $colWhite, $strFont, chr(183));
        imagettftext($img, $intFontSmall, 0, $intLeftX, (int) round($intSize * 0.62), $colWhite, $strFont, 's');
        imagettftext($img, $intFontBig, 0, $intRightX, (int) round($intSize * 0.68), $colWhite, $strFont, '1');
    } else {
        imagestring($img, 5, (int) round($intSize * 0.18), (int) round($intSize * 0.28), 'm.s', $colWhite);
        imagestring($img, 5, (int) round($intSize * 0.55), (int) round($intSize * 0.40), '1', $colWhite);
    }

    return $img;
}

/**
 * Superpose le logo au centre d'un PNG QR existant.
 */
function fxKcQrOverlayLogo($strQrPath, $fltLogoRatio = 0.22)
{
    $imgQr = imagecreatefrompng($strQrPath);
    if ($imgQr === false) {
        return false;
    }

    $intQrW = imagesx($imgQr);
    $intQrH = imagesy($imgQr);
    $intLogoSize = (int) max(24, round(min($intQrW, $intQrH) * $fltLogoRatio));
    $intPad = (int) max(2, round($intLogoSize * 0.08));

    $imgLogo = fxKcQrCreateLogoImage($intLogoSize);
    $imgBlock = imagecreatetruecolor($intLogoSize + ($intPad * 2), $intLogoSize + ($intPad * 2));
    $colWhite = imagecolorallocate($imgBlock, 255, 255, 255);
    imagefilledrectangle($imgBlock, 0, 0, $intLogoSize + ($intPad * 2), $intLogoSize + ($intPad * 2), $colWhite);
    imagecopy($imgBlock, $imgLogo, $intPad, $intPad, 0, 0, $intLogoSize, $intLogoSize);

    $intX = (int) floor(($intQrW - $intLogoSize - ($intPad * 2)) / 2);
    $intY = (int) floor(($intQrH - $intLogoSize - ($intPad * 2)) / 2);
    imagecopy($imgQr, $imgBlock, $intX, $intY, 0, 0, $intLogoSize + ($intPad * 2), $intLogoSize + ($intPad * 2));

    imagepng($imgQr, $strQrPath, 0);

    imagedestroy($imgQr);
    imagedestroy($imgLogo);
    imagedestroy($imgBlock);

    return true;
}

/**
 * Génère un QR key_chain prêt pour l'impression.
 */
function fxKcQrGeneratePng($intParam1, $strBaseUrl, $strOutputFile, $intModuleSize = 18, $blnWithLogo = true)
{
    $strUrl = rtrim($strBaseUrl, '/') . '/kc.php?param1=' . intval($intParam1);
    $strDir = dirname($strOutputFile);
    if (!is_dir($strDir)) {
        mkdir($strDir, 0755, true);
    }

    QRcode::png(
        $strUrl,
        $strOutputFile,
        QR_ECLEVEL_H,
        $intModuleSize,
        2
    );

    if ($blnWithLogo) {
        fxKcQrOverlayLogo($strOutputFile);
    }

    return [
        'param1' => intval($intParam1),
        'url' => $strUrl,
        'file' => $strOutputFile,
    ];
}

/**
 * Génère une série de QR codes key_chain.
 */
function fxKcQrGenerateBatch(array $options)
{
    $intStart = intval($options['start'] ?? 500);
    $intCount = max(1, intval($options['count'] ?? 100));
    $strBaseUrl = rtrim($options['base_url'] ?? 'https://ms1inscription.com', '/');
    $strOutputDir = rtrim($options['output_dir'] ?? (__DIR__ . '/../output/kc_qr'), DIRECTORY_SEPARATOR);
    $intModuleSize = max(6, intval($options['module_size'] ?? 18));
    $blnWithLogo = !empty($options['with_logo']);

    if (!is_dir($strOutputDir)) {
        mkdir($strOutputDir, 0755, true);
    }

    $tabGenerated = [];
    for ($i = 0; $i < $intCount; $i++) {
        $intParam1 = $intStart + $i;
        $strFile = $strOutputDir . DIRECTORY_SEPARATOR . 'qr_kc_' . $intParam1 . '.png';
        $tabGenerated[] = fxKcQrGeneratePng($intParam1, $strBaseUrl, $strFile, $intModuleSize, $blnWithLogo);
    }

    $strManifest = $strOutputDir . DIRECTORY_SEPARATOR . 'manifest.csv';
    $fh = fopen($strManifest, 'w');
    if ($fh !== false) {
        fputcsv($fh, ['param1', 'vehicule_no', 'url', 'filename']);
        foreach ($tabGenerated as $row) {
            $intVehicule = $row['param1'];
            if (defined('KEYCHAIN_HTTP_EDIT_SHIFT')) {
                $intVehicule = $row['param1'] - KEYCHAIN_HTTP_EDIT_SHIFT;
            }
            fputcsv($fh, [
                $row['param1'],
                $intVehicule,
                $row['url'],
                basename($row['file']),
            ]);
        }
        fclose($fh);
    }

    return [
        'output_dir' => $strOutputDir,
        'count' => count($tabGenerated),
        'start' => $intStart,
        'end' => $intStart + $intCount - 1,
        'manifest' => $strManifest,
        'files' => array_column($tabGenerated, 'file'),
    ];
}