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<?php |
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declare(strict_types=1); |
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namespace Minepic\Image; |
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use Minepic\Image\Exceptions\ImageCreateFromPngFailedException; |
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use Minepic\Image\Exceptions\ImageTrueColorCreationFailedException; |
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/** |
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* Class ImageSection. |
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*/ |
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abstract class ImageSection |
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{ |
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public const TOP = 'TOP'; |
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public const BOTTOM = 'BOTTOM'; |
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public const FRONT = 'FRONT'; |
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public const BACK = 'BACK'; |
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public const RIGHT = 'RIGHT'; |
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public const LEFT = 'LEFT'; |
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/** |
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* Skin Path. |
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* |
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* @var string |
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*/ |
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protected string $skinPath = ''; |
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/** |
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* Resource with the image. |
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* |
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* @var resource |
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*/ |
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protected $imgResource; |
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/** |
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* Avatar constructor. |
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* |
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* @param string $skinPath |
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*/ |
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public function __construct(string $skinPath) |
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{ |
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$this->skinPath = $skinPath; |
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} |
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/** |
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* From resource to string. |
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*/ |
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public function __toString(): string |
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{ |
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\ob_start(); |
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\imagepng($this->imgResource); |
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$imgToString = (string) \ob_get_clean(); |
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return $imgToString; |
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} |
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/** |
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* Destructor. |
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*/ |
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public function __destruct() |
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{ |
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if ($this->imgResource) { |
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\imagedestroy($this->imgResource); |
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} |
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} |
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/** |
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* Get generated resource image. |
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* |
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* @return resource |
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*/ |
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public function getResource() |
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{ |
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return $this->imgResource; |
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} |
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/** |
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* Creates imagecreatefrompng resource, it fails throws an Exception. |
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* |
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* @param string $path |
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* |
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* @throws ImageCreateFromPngFailedException |
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* |
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* @return resource |
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*/ |
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protected function createImageFromPng(string $path) |
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{ |
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$resource = \imagecreatefrompng($path); |
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if ($resource === false) { |
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throw new ImageCreateFromPngFailedException("Cannot create png image from file {$path}"); |
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} |
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return $resource; |
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} |
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/** |
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* Create imagecreatetruecolor square empty image. |
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* |
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* @param $size |
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* |
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* @throws ImageTrueColorCreationFailedException |
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* |
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* @return resource |
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*/ |
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protected function createTrueColorSquare($size) |
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{ |
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$square = \imagecreatetruecolor($size, $size); |
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if ($square === false) { |
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throw new ImageTrueColorCreationFailedException('imagecreatetruecolor failed'); |
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} |
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return $square; |
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} |
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/** |
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* @param $image |
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* |
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* @throws \Exception |
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* |
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* @return int |
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*/ |
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protected function colorAllocateAlpha($image): int |
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{ |
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$colorIdentifier = \imagecolorallocatealpha($image, 255, 255, 255, 127); |
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if (!$colorIdentifier) { |
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throw new \Exception(); |
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} |
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return $colorIdentifier; |
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} |
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} |
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mattiabasone /
minepic
