102 lines
2.7 KiB
PHP
Executable File
102 lines
2.7 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php
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set_error_handler(
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static function ($errno, $errstr, $errfile, $errline) {
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$msg = "Error {$errno}: {$errstr}\n";
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if ($errfile) {
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$msg .= "File: {$errfile}\n";
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if ($errline) {
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$msg .= "Line: {$errline}\n";
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}
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}
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fwrite(STDERR, $msg);
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exit(1);
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},
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-1
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);
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$imageWidth = 8;
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$imageHeight = 16;
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$image = imagecreatetruecolor($imageWidth, $imageHeight);
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$formats = [
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'gd2',
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'gif',
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'jpeg',
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'png',
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'wbmp',
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'webp',
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'wbmp',
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'xbm',
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'xpm',
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'gd',
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];
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if (PHP_VERSION_ID >= 70200) {
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$formats = array_merge($formats, [
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'bmp',
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]);
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}
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$tempFile = null;
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$image2 = null;
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try {
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foreach ($formats as $format) {
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$loadFuntion = "imagecreatefrom{$format}";
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if (!function_exists($loadFuntion)) {
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throw new Exception("{$loadFuntion}() function is missing");
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}
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if ($format === 'xpm') {
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continue;
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}
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$saveFuntion = "image{$format}";
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if (!function_exists($saveFuntion)) {
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throw new Exception("{$saveFuntion}() function is missing");
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}
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$tempFile = tempnam(sys_get_temp_dir(), 'dpei');
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ob_start();
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if ($saveFuntion($image, $tempFile) === false) {
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throw new Exception("{$saveFuntion}() failed");
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}
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$contents = ob_get_contents();
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ob_end_clean();
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if (!is_file($tempFile)) {
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throw new Exception("{$saveFuntion}() didn't create a file");
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}
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if (filesize($tempFile) < 1) {
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if ($format !== 'xbm' || PHP_VERSION_ID >= 50600 || $contents === '') {
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throw new Exception("{$saveFuntion}() created an empty file");
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}
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file_put_contents($tempFile, $contents);
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}
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$image2 = $loadFuntion($tempFile);
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unlink($tempFile);
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$tempFile = null;
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if (!(is_resource($image2) || is_object($image2)) || imagesx($image2) !== $imageWidth || imagesy($image2) !== $imageHeight) {
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throw new Exception("{$loadFuntion}() failed");
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}
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imagedestroy($image2);
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}
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if (!function_exists('imagefttext')) {
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throw new Exception('imagefttext() function is missing');
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}
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if (!function_exists('imageantialias')) {
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throw new Exception('imageantialias() function is missing');
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}
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$rc = 0;
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} catch (Exception $x) {
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$rc = 1;
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fwrite(STDERR, $x->getMessage());
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} catch (Throwable $x) {
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$rc = 1;
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fwrite(STDERR, $x->getMessage());
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} finally {
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imagedestroy($image);
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if (is_resource($image2)) {
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imagedestroy($image2);
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}
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if ($tempFile !== null) {
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unlink($tempFile);
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}
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}
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exit($rc);
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