forked from leftypol/leftypol
33 lines
887 B
PHP
33 lines
887 B
PHP
<?php
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namespace Vichan\Service\Media;
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class MagickImageFormatReader implements ImageFormatReader {
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private string $prefix;
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public static function createImageMagickReader(): MagickImageFormatReader {
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return new self('');
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}
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public static function createGraphicsMagickReader(): MagickImageFormatReader {
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return new self('gm ');
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}
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private function __construct(string $prefix) {
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$this->prefix = $prefix;
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}
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public function getSizes(string $file_path): array {
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$arg = escapeshellarg("$file_path[0]");
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$ret_exec = shell_exec_error("{$this->prefix}identify -format \"%w %h\" $arg");
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if (!\is_string($ret_exec)) {
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throw new \RuntimeException("Error while executing identify");
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}
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$ret_match = \preg_match('/^(\d+) (\d+)$/', $ret_exec, $m);
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if (!$ret_match) {
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throw new \RuntimeException("Could not parse identify output");
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}
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return [ $m[1], $m[2] ];
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}
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}
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