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<?php |
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namespace ElePHPant\Favicon; |
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/** |
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* Class Cropper |
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* |
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* Please report bugs on https://github.com/wilderamorim/favicon/issues |
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* |
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* @package ElePHPant\Favicon |
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* @author Wilder Amorim <[email protected]> |
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* @copyright Copyright (c) 2020, Uebi. All rights reserved |
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* @license MIT License |
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*/ |
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class Cropper extends Tags |
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{ |
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/** @var */ |
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protected $imageName; |
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/** @var */ |
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protected $imageMime; |
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/** @var string[] */ |
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private static $allowedExt = ['image/png', 'image/jpeg']; |
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/** @var array */ |
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private $names = []; |
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/** |
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* @return string |
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* @throws \Exception |
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*/ |
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public function create() |
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{ |
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if (!file_exists($this->sourceImage)) { |
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return 'Image not found'; |
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} |
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$this->imageMime = mime_content_type($this->sourceImage); |
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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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if (!file_exists($this->saveInPath) || !is_dir($this->saveInPath)) { |
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if (!mkdir($this->saveInPath, 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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return $this->cropper(); |
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} |
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/** |
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* @return string |
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*/ |
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private function cropper(): string |
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{ |
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$iteration = 0; |
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foreach ($this->sizes as $size) { |
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//width / height |
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$resolutions = explode('x', $size); |
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$width = $resolutions[0]; |
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$height = $resolutions[1]; |
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//name |
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$this->imageName = "{$this->names()[$iteration++]}{$width}x{$height}"; |
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//create |
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$thumb = imagecreatetruecolor($width, $height); |
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$this->image($thumb, $width, $height); |
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} |
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return "{$this->saveInPath}/{$this->imageName}"; |
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} |
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/** |
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* @param $thumb |
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* @param int $width |
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* @param int $height |
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*/ |
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private function image($thumb, int $width, int $height) |
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{ |
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$source = ($this->imageMime == self::$allowedExt[1] ? imagecreatefromjpeg($this->sourceImage) : imagecreatefrompng($this->sourceImage)); |
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imagealphablending($thumb, false); |
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imagesavealpha($thumb, true); |
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$this->resample($thumb, $source, $width, $height); |
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imagepng($thumb, "{$this->saveInPath}/{$this->imageName}.png", $this->quality); |
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imagedestroy($thumb); |
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imagedestroy($source); |
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} |
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/** |
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* @param $thumb |
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* @param $source |
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* @param int $width |
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* @param int $height |
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* @return bool |
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*/ |
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private function resample($thumb, $source, int $width, int $height): bool |
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{ |
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list($src_w, $src_h) = getimagesize($this->sourceImage); |
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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 * $cmp_y))); |
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} elseif ($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 * $cmp_x))); |
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} |
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$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)$src_y; |
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return imagecopyresampled($thumb, $source, 0, 0, $src_x, $src_y, $width, $height, $src_w, $src_h); |
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} |
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/** |
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* @return array |
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*/ |
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private function names(): array |
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{ |
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foreach (self::APPLE_TOUCH_ICON_PRECOMPOSED as $item) { |
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$this->names[] = 'apple-touch-icon-'; |
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} |
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foreach (self::ICON as $item) { |
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$this->names[] = 'favicon-'; |
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} |
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$msApplication = $this->msApplication; |
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array_shift($msApplication); |
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foreach ($msApplication as $item) { |
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$this->names[] = 'mstile-'; |
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} |
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return $this->names; |
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} |
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} |
wilderamorim /
favicon
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