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<?php |
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namespace CoffeeCode\Cropper; |
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/** |
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* Class CoffeeCode Cropper |
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* |
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* @author Robson V. Leite <https://github.com/robsonvleite> |
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* @package CoffeeCode\Cropper |
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*/ |
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class Cropper |
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{ |
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/** @var string */ |
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private $cachePath; |
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/** @var array */ |
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private $cacheSize; |
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/** @var string */ |
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private $imagePath; |
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/** @var string */ |
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private $imageName; |
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/** @var string */ |
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private $imageMime; |
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/** @var string */ |
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private $imageInfo; |
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/** |
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* Allow jpg and png to thumb and cache generate |
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* |
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* @var array allowed media types |
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*/ |
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private static $allowedExt = ['image/jpeg', "image/png", "image/webp"]; |
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/** |
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* Cropper constructor. |
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* |
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* @param string $cachePath |
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* @param int $jpgQuality |
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* @param int $pngCompressor |
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* @throws \Exception |
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*/ |
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public function __construct(string $cachePath, int $jpgQuality = 75, int $pngCompressor = 5) |
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{ |
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$this->cachePath = $cachePath; |
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$this->cacheSize = [$jpgQuality, $pngCompressor]; |
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if (!file_exists($this->cachePath) || !is_dir($this->cachePath)) { |
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if (!mkdir($this->cachePath, 0755)) { |
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throw new \Exception("Could not create cache folder"); |
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} |
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} |
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} |
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/** |
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* Make an thumb image |
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* |
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* @param string $imagePath |
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* @param int $width |
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* @param int|null $height |
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* @return null|string |
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*/ |
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public function make(string $imagePath, int $width, int $height = null): ?string |
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{ |
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if (!file_exists($imagePath)) { |
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return "Image not found"; |
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} |
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$this->imagePath = $imagePath; |
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$this->imageMime = mime_content_type($this->imagePath); |
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$this->imageInfo = pathinfo($this->imagePath); |
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if (!in_array($this->imageMime, self::$allowedExt)) { |
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return "Not a valid JPG or PNG image"; |
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} |
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$this->imageName = $this->name($this->imagePath, $width, $height); |
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if (file_exists("{$this->cachePath}/{$this->imageName}") && is_file("{$this->cachePath}/{$this->imageName}")) { |
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return "{$this->cachePath}/{$this->imageName}"; |
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} |
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return $this->imageCache($width, $height); |
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} |
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/** |
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* @param string $name |
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* @return string |
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*/ |
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protected function name(string $name, int $width = null, int $height = null): string |
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{ |
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$filterName = filter_var(mb_strtolower(pathinfo($name)["filename"]), FILTER_SANITIZE_STRIPPED); |
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$formats = 'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜüÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûýýþÿRr"!@#$%&*()_-+={[}]/?;:.,\\\'<>°ºª'; |
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$replace = 'aaaaaaaceeeeiiiidnoooooouuuuuybsaaaaaaaceeeeiiiidnoooooouuuyybyRr '; |
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$trimName = trim(strtr(utf8_decode($filterName), utf8_decode($formats), $replace)); |
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$name = str_replace(["-----", "----", "---", "--"], "-", str_replace(" ", "-", $trimName)); |
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$hash = $this->hash($this->imagePath); |
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$ext = ($this->imageMime == "image/jpeg" ? ".jpg" : ".png"); |
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$widthName = ($width ? "-{$width}" : ""); |
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$heightName = ($height ? "x{$height}" : ""); |
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return "{$name}{$widthName}{$heightName}-{$hash}{$ext}"; |
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} |
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/** |
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* @param string $path |
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* @return string |
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*/ |
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protected function hash(string $path): string |
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{ |
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return hash("crc32", $path); |
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} |
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/** |
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* Clear cache |
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* |
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* @param string|null $imagePath |
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* @example $t->flush("images/image.jpg"); clear image name and variations size |
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* @example $t->flush(); clear all image cache folder |
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*/ |
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public function flush(string $imagePath = null): void |
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{ |
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foreach (scandir($this->cachePath) as $file) { |
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$file = "{$this->cachePath}/{$file}"; |
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if ($imagePath && strpos($file, $this->hash($imagePath))) { |
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$this->imageDestroy($file); |
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} elseif (!$imagePath) { |
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$this->imageDestroy($file); |
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} |
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} |
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} |
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/** |
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* @param int $width |
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* @param int|null $height |
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* @return null|string |
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*/ |
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private function imageCache(int $width, int $height = null): ?string |
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{ |
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list($src_w, $src_h) = getimagesize($this->imagePath); |
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$height = ($height ?? ($width * $src_h) / $src_w); |
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$src_x = 0; |
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$src_y = 0; |
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$cmp_x = $src_w / $width; |
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$cmp_y = $src_h / $height; |
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if ($cmp_x > $cmp_y) { |
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$src_w = round($src_w / $cmp_x * $cmp_y); |
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$src_x = round(($src_w - ($src_w / $cmp_x * $cmp_y))); //2 |
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} elseif ($cmp_y > $cmp_x) { |
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$src_h = round($src_h / $cmp_y * $cmp_x); |
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$src_y = round(($src_h - ($src_h / $cmp_y * $cmp_x))); //2 |
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} |
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$src_x = (int)$src_x; |
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$src_h = (int)$src_h; |
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$src_y = (int)$src_y; |
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$src_y = (int)$src_y; |
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if ($this->imageMime == "image/jpeg") { |
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return $this->fromJpg($width, $height, $src_x, $src_y, $src_w, $src_h); |
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} |
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if ($this->imageMime == "image/png") { |
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return $this->fromPng($width, $height, $src_x, $src_y, $src_w, $src_h); |
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} |
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if ($this->imageMime == "image/webp") { |
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return $this->fromWebp($width, $height, $src_x, $src_y, $src_w, $src_h); |
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} |
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return null; |
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} |
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/** |
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* @param string $imagePatch |
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*/ |
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private function imageDestroy(string $imagePatch): void |
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{ |
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if (file_exists($imagePatch) && is_file($imagePatch)) { |
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unlink($imagePatch); |
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} |
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} |
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/** |
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* @param int $width |
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* @param int $height |
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* @param int $src_x |
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* @param int $src_y |
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* @param int $src_w |
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* @param int $src_h |
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* @return string |
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*/ |
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private function fromJpg(int $width, int $height, int $src_x, int $src_y, int $src_w, int $src_h): string |
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{ |
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$thumb = imagecreatetruecolor($width, $height); |
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$source = imagecreatefromjpeg($this->imagePath); |
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imagecopyresized($thumb, $source, 0, 0, $src_x, $src_y, $width, $height, $src_w, $src_h); |
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imagejpeg($thumb, "{$this->cachePath}/{$this->imageName}", $this->cacheSize[0]); |
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imagedestroy($thumb); |
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imagedestroy($source); |
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return "{$this->cachePath}/{$this->imageName}"; |
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} |
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/** |
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* @param int $width |
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* @param int $height |
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* @param int $src_x |
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* @param int $src_y |
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* @param int $src_w |
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* @param int $src_h |
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* @return string |
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*/ |
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private function fromPng(int $width, int $height, int $src_x, int $src_y, int $src_w, int $src_h): string |
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{ |
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$thumb = imagecreatetruecolor($width, $height); |
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$source = imagecreatefrompng($this->imagePath); |
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imagealphablending($thumb, false); |
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imagesavealpha($thumb, true); |
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imagecopyresized($thumb, $source, 0, 0, $src_x, $src_y, $width, $height, $src_w, $src_h); |
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imagepng($thumb, "{$this->cachePath}/{$this->imageName}", $this->cacheSize[1]); |
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imagedestroy($thumb); |
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imagedestroy($source); |
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return "{$this->cachePath}/{$this->imageName}"; |
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} |
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private function fromWebp(int $width, int $height, int $src_x, int $src_y, int $src_w, int $src_h): string |
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{ |
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$thumb = imagecreatetruecolor($width, $height); |
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$source = imagecreatefromwebp($this->imagePath); |
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imagealphablending($thumb, false); |
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imagesavealpha($thumb, true); |
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imagecopyresized($thumb, $source, 0, 0, $src_x, $src_y, $width, $height, $src_w, $src_h); |
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imagewebp($thumb, "{$this->cachePath}/{$this->imageName}", $this->cacheSize[1]); |
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imagedestroy($thumb); |
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imagedestroy($source); |
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return "{$this->cachePath}/{$this->imageName}"; |
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} |
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} |
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robsonvleite /
cropper
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