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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\ImageResourceCreationFailedException; |
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abstract class ImageSection |
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{ |
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protected \GdImage $skinResource; |
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protected int $skinWidth; |
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protected int $skinHeight; |
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/** |
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* Resource with the image. |
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*/ |
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protected \GdImage $imgResource; |
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/** |
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* @throws ImageCreateFromPngFailedException |
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*/ |
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public function __construct(protected string $skinPath = '') |
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{ |
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$this->skinResource = $this->createImageFromPng($this->skinPath); |
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$this->skinWidth = (int) imagesx($this->skinResource); |
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$this->skinHeight = (int) imagesy($this->skinResource); |
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} |
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public function __destruct() |
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{ |
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if ($this->imgResource instanceof \GdImage) { |
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imagedestroy($this->imgResource); |
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} |
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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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public function is64x64(): bool |
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{ |
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return $this->skinWidth === 64 && $this->skinHeight === 64; |
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} |
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/** |
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* Get generated resource image. |
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*/ |
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public function getResource(): \GdImage |
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{ |
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return $this->imgResource; |
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} |
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/** |
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* @throws ImageCreateFromPngFailedException |
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*/ |
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protected function createImageFromPng(string $path): \GdImage |
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{ |
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$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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* @throws ImageResourceCreationFailedException |
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*/ |
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protected function emptyBaseImage(int $width, int $height): \GdImage |
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{ |
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$tmpImageResource = imagecreatetruecolor($width, $height); |
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if ($tmpImageResource === false) { |
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throw new ImageResourceCreationFailedException('imagecreatetruecolor() failed'); |
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} |
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imagealphablending($tmpImageResource, false); |
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imagesavealpha($tmpImageResource, true); |
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$transparent = (int) imagecolorallocatealpha($tmpImageResource, 255, 255, 255, 127); |
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imagefilledrectangle($tmpImageResource, 0, 0, $width, $height, $transparent); |
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return $tmpImageResource; |
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} |
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} |
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mattiabasone /
minepic
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