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Sync branded QR logo with platform-php updates.

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Anton Afanasyeu
2026-08-07 22:16:21 +02:00
parent be5f11c5ed
commit 117313a824
3 changed files with 32 additions and 8 deletions
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2
DEPLOY.md
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@@ -23,7 +23,7 @@ rsync -av backend/url-shortener/ alpine-be:/var/www/localhost/htdocs/apps/s/
cd /var/www/.../androidcast_project/android_cast
php81 examples/crash_reporter/backend/scripts/ensure_url_shortener_prod_config.php
apk add libqrencode-tools # QR PNG (/api/v1/qr/…)
apk add libqrencode-tools php83-gd # QR PNG (/api/v1/qr/…) + logo overlay
rc-service php-fpm81 restart
```

BIN
assets/ac_qr_logo.png
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Side by Side Swipe Overlay

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Width:  |  Height:  |  Size: 3.7 KiB

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Width:  |  Height:  |  Size: 8.2 KiB

38
src/QrBrandedRenderer.php
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@@ -3,8 +3,8 @@ declare(strict_types=1);
/** Branded QR PNG: high error correction + centered app logo with white border. */
final class QrBrandedRenderer {
private const LOGO_FRACTION = 0.22;
private const BORDER_FRACTION = 0.045;
private const LOGO_FRACTION = 0.24;
private const BORDER_FRACTION = 0.05;
private function __construct() {
}
@@ -22,12 +22,36 @@ final class QrBrandedRenderer {
return $branded ?? $raw;
}
public static function dataUri(string $text, int $size = 256): ?string {
$png = self::renderPng($text, $size);
if ($png === null) {
return null;
}
return 'data:image/png;base64,' . base64_encode($png);
}
/** @return list<string> */
private static function logoCandidates(): array {
return [
dirname(__DIR__) . '/assets/ac_qr_logo.png',
__DIR__ . '/../assets/ac_qr_logo.png',
];
$paths = [];
$env = getenv('AC_QR_LOGO_PATH');
if (is_string($env) && $env !== '') {
$paths[] = $env;
}
$paths[] = dirname(__DIR__) . '/assets/ac_qr_logo.png';
$paths[] = __DIR__ . '/../assets/ac_qr_logo.png';
$paths[] = dirname(__DIR__, 2) . '/ac-platform-php/assets/ac_qr_logo.png';
$paths[] = dirname(__DIR__, 2) . '/ac-platform-php/public/assets/ac_qr_logo.png';
return $paths;
}
/** @return \GdImage|false */
private static function loadLogoImage(string $path) {
$bytes = @file_get_contents($path);
if (!is_string($bytes) || $bytes === '') {
return false;
}
$img = @imagecreatefromstring($bytes);
return $img !== false ? $img : false;
}
private static function logoPath(): ?string {
@@ -71,7 +95,7 @@ final class QrBrandedRenderer {
if ($qr === false) {
return null;
}
$logo = @imagecreatefrompng($logoPath);
$logo = self::loadLogoImage($logoPath);
if ($logo === false) {
imagedestroy($qr);
return null;