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<?php |
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namespace Limsum\ColorBlock; |
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use Illuminate\Support\Facades\Response; |
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class ColorBlockPng extends AbstractColorBlockImage |
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{ |
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public function image(): \Illuminate\Http\Response |
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{ |
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if (!extension_loaded('gd')) { |
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throw new \Exception('FG extension not loaded.'); |
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} |
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$image = imagecreatetruecolor((int) $this->with, (int) $this->height); |
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$color = $this->hexColorAllocate($image, $this->color); |
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imagefilledrectangle($image, 0, 0, (int) $this->with, (int) $this->height, $color); |
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ob_start(); |
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$this->makeImage($image); |
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$imageData = ob_get_contents(); |
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ob_end_clean(); |
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imagedestroy($image); |
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return Response::make($imageData, 200, [ |
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'Content-Type' => $this->mimeType(), |
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]); |
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} |
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/** |
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* @param $image |
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* @param $hex |
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* |
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* @return bool|int |
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*/ |
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protected function hexColorAllocate($image, $hex): bool|int |
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{ |
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$hex = ltrim($hex, '#'); |
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$r = (int) hexdec(substr($hex, 0, 2)); |
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$g = (int) hexdec(substr($hex, 2, 2)); |
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$b = (int) hexdec(substr($hex, 4, 2)); |
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return imagecolorallocate($image, $r, $g, $b); |
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} |
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/** |
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* @param $image |
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*/ |
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protected function makeImage($image) |
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{ |
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imagepng($image); |
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} |
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/** |
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* @return string |
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*/ |
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protected function mimeType():string |
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{ |
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return 'image/png'; |
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} |
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} |
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yaroslawww /
laravel-lorem-image
