qrcode.chapril.org-libreqr/themes/resize.php

<?php // This file is part of LibreQR, which is distributed under the GNU AGPLv3+ license

/*
	A small script that can be used to generate LibreQR's icons
*/

if (php_sapi_name() == "cli") {
	if (isset($argv[1])) {
		$done = array();
		$line = "";
		$theme = $argv[1];

		for ($pow = 0; $pow <= 3; $pow++) {
			for ($mult = 1; $mult <= 4; $mult++) {
				$size = $mult * 2**(4+$pow);
				if (!in_array($size, $done)) {
					shell_exec("convert themes/" . $theme . "/icons/source.png -scale " . $size . "x" . $size . " themes/" . $theme . "/icons/" . $size . ".png");
					shell_exec("pngquant -f themes/" . $theme . "/icons/" . $size . ".png --output themes/" . $theme . "/icons/" . $size . ".png");
					$done[] = $size;
				}
			}
		}

		foreach ($done as $done) {
			$line = $line . ", " . $done;
		}

		echo substr($line, 2) . "\n";

	} else {
		echo "Usage: php themes/resize.php <theme name>\n";
	}

} else {
	echo "Available only via CLI for security reasons. Use 'php themes/resize.php <theme name>'";
}