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<?php |
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namespace League\Glide\Manipulators; |
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use Intervention\Image\Image; |
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/** |
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* @property string $fm |
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* @property string $q |
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*/ |
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class Encode extends BaseManipulator |
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{ |
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/** |
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* Perform output image manipulation. |
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* @param Image $image The source image. |
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* @return Image The manipulated image. |
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*/ |
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public function run(Image $image) |
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{ |
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$format = $this->getFormat($image); |
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$quality = $this->getQuality(); |
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if (in_array($format, ['jpg', 'pjpg'], true)) { |
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$image = $image->getDriver() |
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->newImage($image->width(), $image->height(), '#fff') |
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->insert($image, 'top-left', 0, 0); |
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} |
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if ($format === 'pjpg') { |
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$image->interlace(); |
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$format = 'jpg'; |
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} |
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return $image->encode($format, $quality); |
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} |
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/** |
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* Resolve format. |
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* @param Image $image The source image. |
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* @return string The resolved format. |
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*/ |
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public function getFormat(Image $image) |
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{ |
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$allowed = [ |
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'gif' => 'image/gif', |
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'jpg' => 'image/jpeg', |
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'pjpg' => 'image/jpeg', |
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'png' => 'image/png', |
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'webp' => 'image/webp', |
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]; |
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if (array_key_exists($this->fm, $allowed)) { |
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return $this->fm; |
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} |
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if ($format = array_search($image->mime(), $allowed, true)) { |
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return $format; |
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} |
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return 'jpg'; |
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} |
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/** |
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* Resolve quality. |
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* @return string The resolved quality. |
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*/ |
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public function getQuality() |
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{ |
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$default = 90; |
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if (!is_numeric($this->q)) { |
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return $default; |
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} |
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if ($this->q < 0 or $this->q > 100) { |
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return $default; |
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} |
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return (int) $this->q; |
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} |
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} |
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