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<?php |
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declare(strict_types=1); |
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namespace Jonasdamher\Simplifyimage\Utils; |
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use Jonasdamher\Simplifyimage\Core\ResponseHandler; |
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/** |
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* Image shape crop. |
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* |
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* default, |
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* circle, square, |
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* verticalRectangle, horizontalRentangle. |
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*/ |
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class Shape |
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{ |
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private array $AllowsShapesTypes = ['horizontalRentangle', 'verticalRectangle', 'circle', 'square', 'default']; |
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private string $type = 'default'; |
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public function get(): string |
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{ |
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return $this->type; |
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} |
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/** |
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* Has options default, horizontalRentangle, verticalRectangle, |
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* circle, square. |
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* @param string $type |
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*/ |
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public function set(string $type) |
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{ |
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try { |
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if (!in_array($type, $this->AllowsShapesTypes, true)) { |
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throw new \Exception("Don't exist shape (" . $type . ')'); |
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} |
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} catch (\Exception $e) { |
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$type = 'default'; |
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ResponseHandler::fail($e->getMessage()); |
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} finally { |
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$this->type = $type; |
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} |
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} |
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private function minBetweenDimensions(array $dimensions): int |
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{ |
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return min($dimensions['x'], $dimensions['y']); |
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} |
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private function square(array $dimensions): array |
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{ |
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$min = $this->minBetweenDimensions($dimensions); |
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$dimensions['x'] = $min; |
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$dimensions['y'] = $min; |
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return $dimensions; |
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} |
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private function horizontalRentangle(array $dimensions, array $position): array |
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{ |
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$heightRedimension = ceil(($dimensions['x'] / 161) * 100); |
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$position['x'] += ($dimensions['x'] - $heightRedimension) / 2; |
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$dimensions['y'] = $heightRedimension; |
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return $dimensions; |
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} |
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private function verticalRectangle(array $dimensions, array $position): array |
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{ |
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$widthRedimension = ceil(($dimensions['y'] / 161) * 100); |
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$position['y'] += ($dimensions['y'] - $widthRedimension) / 2; |
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$dimensions['x'] = $widthRedimension; |
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return $dimensions; |
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} |
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private function circle($image, array $dimensions, array $position) |
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{ |
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try { |
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$newDimensions = $this->square($dimensions); |
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$min = $this->minBetweenDimensions($dimensions); |
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$croppedImage = imagecrop($image, [ |
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'x' => $position['x'], |
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'y' => $position['y'], |
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'width' => $newDimensions['x'], |
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'height' => $newDimensions['y'] |
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]); |
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// Create mask circle |
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$circleMask = imagecreatetruecolor($min, $min); |
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if (!is_resource($croppedImage) || !is_resource($circleMask)) { |
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throw new \Exception('Could not apply circular shape.'); |
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} |
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imagealphablending($circleMask, false); |
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// Create colors |
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$magentaColor = imagecolorallocatealpha($circleMask, 255, 0, 255, 0); |
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$transparent = imagecolorallocatealpha($circleMask, 255, 255, 255, 127); |
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// Add color mask |
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imagefill($circleMask, 0, 0, $magentaColor); |
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// Draw circle border line circleMask |
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imagearc( |
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$circleMask, |
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$min / 2, |
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$min / 2, |
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$min, |
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$min, |
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0, |
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360, |
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$transparent |
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); |
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// Fill circle |
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imagefilltoborder( |
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$circleMask, |
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$min / 2, |
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$min / 2, |
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$transparent, |
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$transparent |
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); |
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// Mask circle final |
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// Add alpha channel to image |
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imagealphablending($croppedImage, true); |
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// Add mask to image |
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imagecopyresampled( |
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$croppedImage, |
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$circleMask, |
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0, |
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0, |
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0, |
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0, |
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$min, |
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$min, |
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$min, |
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$min |
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); |
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// remove mask color to image |
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imagecolortransparent($croppedImage, $magentaColor); |
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imagedestroy($image); |
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} catch (\Exception $e) { |
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$croppedImage = $image; |
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ResponseHandler::fail($e->getMessage()); |
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} finally { |
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return $croppedImage; |
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} |
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} |
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public function modify($image, array $position, array $dimensions) |
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{ |
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$shapeType = $this->get(); |
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$shape = false; |
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switch ($shapeType) { |
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case 'horizontalRentangle': |
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case 'verticalRectangle': |
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$shape = $this->$shapeType($dimensions, $position); |
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break; |
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case 'square': |
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$shape = $this->$shapeType($dimensions); |
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break; |
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case 'circle': |
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$shape = $this->$shapeType($image, $dimensions, $position); |
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break; |
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} |
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return $shape; |
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} |
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} |
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jonasdamher /
simplifyimage
