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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Karla ImageMagick wrapper library |
| 5 | * |
| 6 | * PHP Version 8.0< |
| 7 | * |
| 8 | * @category Utility |
| 9 | * @author Johannes Skov Frandsen <jsf@greenoak.dk> |
| 10 | * @license http://www.opensource.org/licenses/mit-license.php MIT |
| 11 | * @link https://github.com/localgod/karla Karla |
| 12 | * @since 2013-05-26 |
| 13 | */ |
| 14 | |
| 15 | declare(strict_types=1); |
| 16 | |
| 17 | namespace Karla\Action; |
| 18 | |
| 19 | use Karla\Query; |
| 20 | use Karla\Action; |
| 21 | |
| 22 | /** |
| 23 | * Class for handeling density action |
| 24 | * |
| 25 | * @category Utility |
| 26 | * @author Johannes Skov Frandsen <jsf@greenoak.dk> |
| 27 | * @license http://www.opensource.org/licenses/mit-license.php MIT |
| 28 | * @link https://github.com/localgod/karla Karla |
| 29 | */ |
| 30 | class Density implements Action |
| 31 | { |
| 32 | /** |
| 33 | * Width |
| 34 | * |
| 35 | * @var integer |
| 36 | */ |
| 37 | private int $width; |
| 38 | |
| 39 | /** |
| 40 | * Height |
| 41 | * |
| 42 | * @var integer |
| 43 | */ |
| 44 | private int $height; |
| 45 | |
| 46 | /** |
| 47 | * Is it an output argument |
| 48 | * |
| 49 | * @var boolean |
| 50 | */ |
| 51 | private bool $output; |
| 52 | |
| 53 | /** |
| 54 | * Set the density of the output image. |
| 55 | * |
| 56 | * @param integer $width |
| 57 | * The width of the image |
| 58 | * @param integer $height |
| 59 | * The height of the image |
| 60 | * @param boolean $output |
| 61 | * If output is true density is set for the resulting image |
| 62 | * If output is false density is used for reading the input image |
| 63 | * |
| 64 | * @throws \InvalidArgumentException |
| 65 | */ |
| 66 | public function __construct(int $width, int $height, bool $output) |
| 67 | { |
| 68 | $this->width = $width; |
| 69 | $this->height = $height; |
| 70 | $this->output = $output; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * (non-PHPdoc) |
| 75 | * |
| 76 | * @param Query $query |
| 77 | * The query to add the action to |
| 78 | * @return Query |
| 79 | * @see Action::perform() |
| 80 | * @throws \BadMethodCallException if density has already been called |
| 81 | */ |
| 82 | public function perform(Query $query): Query |
| 83 | { |
| 84 | $query->notWith('density', Query::ARGUMENT_TYPE_INPUT); |
| 85 | $query->notWith('density', Query::ARGUMENT_TYPE_OUTPUT); |
| 86 | |
| 87 | if ($this->output) { |
| 88 | $query->setOutputOption(" -density " . $this->width . "x" . $this->height); |
| 89 | } else { |
| 90 | $query->setInputOption(" -density " . $this->width . "x" . $this->height); |
| 91 | } |
| 92 | return $query; |
| 93 | } |
| 94 | } |