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<?php |
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/** Created by Gorlum 08.01.2024 19:21 */ |
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/** @noinspection PhpUnnecessaryCurlyVarSyntaxInspection */ |
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namespace Tools; |
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use Exception; |
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use ImageFile; |
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define('INSIDE', true); |
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require_once __DIR__ . '/../../classes/debug.php'; |
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require_once __DIR__ . '/Sprite.php'; |
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class Spritify { |
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/** |
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* @param string $dirIn Input directory |
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* @param string $dirOut Output directory |
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* @param string $outName Name to use as CSS/PNG files |
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* @param string $cssPrefix Prefix to CSS qualifier. Default '#' |
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* @param string $cssSuffix Suffix to CSS qualifier. Default '' |
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* @param int $scaleToPx Pixel size to scale largest side of sprite to for scale(). Default 0 - no scaling |
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* @param string $relativeUrl Url relative to root where PNG sprite will reside - '/design/images/' by default |
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* |
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* @return void |
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* @throws Exception |
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*/ |
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public static function go($dirIn, $dirOut, $outName, $cssPrefix = '#', $cssSuffix = '', $scaleToPx = 0, $relativeUrl = '/design/images/') { |
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print "Processing folder/filter `$dirIn` to `$outName`\n"; |
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// $images = self::propagateImagesScanDir($dirIn); |
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$images = self::propagateImagesGlob($dirIn); |
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if (empty($images)) { |
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print "No images found to process\n\n"; |
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return; |
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} |
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$sprite = Sprite::createGridSquare($images, Sprite::LAYOUT_SQUARE); |
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$finalImage = $sprite->generate($scaleToPx); |
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// Checking if output directory exists and creating one - if not |
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if (!is_dir($dirOut) && !mkdir($dirOut, 0777, true)) { |
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throw new Exception("Can't create output directory {$dirOut}\n"); |
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} |
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// Saving PNG |
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$finalImage->savePng($dirOut . $outName . '.png'); |
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file_put_contents( |
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$dirOut . $outName . '.css', |
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sprintf($sprite->generateCss($scaleToPx), $cssPrefix, $cssSuffix, $outName, $relativeUrl) |
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); |
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print "Folder/filter processed\n\n"; |
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} |
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/** |
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* Propagates array with image files from glob pattern (as in OS - with * and ?) |
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* |
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* @param string $dirIn |
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* |
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* @return ImageFile[]|false |
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*/ |
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protected static function propagateImagesGlob($dirIn) { |
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if (($fullPathList = glob($dirIn, GLOB_BRACE)) === false) { |
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print "Can't find directory `$dirIn`\n"; |
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return false; |
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} |
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/** @var ImageFile[] $images */ |
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$images = []; |
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foreach ($fullPathList as $fullPath) { |
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$fullPath = str_replace('\\', '/', realpath($fullPath)); |
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$images = self::tryReadFile($fullPath, $images); |
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} |
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return $images; |
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} |
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/** |
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* Propagates array with image files from folder |
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* |
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* @param string $dirIn |
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* |
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* @return ImageFile[]|false |
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*/ |
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protected static function propagateImagesScanDir($dirIn) { |
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$dirRealPath = str_replace('\\', '/', realpath($dirIn ?: './')); |
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if (!file_exists($dirRealPath) || !is_dir($dirRealPath)) { |
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print "Can't find directory `$dirIn`\n"; |
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return false; |
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} |
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/** @var ImageFile[] $images */ |
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$images = []; |
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foreach (scandir($dirRealPath) as $fileNameOnly) { |
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if (in_array($fileNameOnly, ['.', '..',]) || is_dir($fullPath = "$dirRealPath/$fileNameOnly")) { |
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continue; |
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} |
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$images = self::tryReadFile($fullPath, $images); |
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} |
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return $images; |
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} |
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/** |
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* @param $fullPath |
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* @param ImageFile[] $images |
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* |
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* @return ImageFile[] |
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*/ |
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protected static function tryReadFile($fullPath, $images) { |
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if ($image = ImageFile::read($fullPath)) { |
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$images[] = $image; |
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print "`$fullPath` read OK\n"; |
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} else { |
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print "ERROR: Can't read file `$fullPath`\n"; |
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} |
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return $images; |
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} |
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} |
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supernova-ws /
SuperNova
