gistfile1.txt

<?php
namespace My\Package\Media\Adjustments;

use TYPO3\Flow\Annotations as Flow;
use Imagine\Image\ImageInterface;
use Imagine\Image\Point;
use TYPO3\Media\Domain\Model\Adjustment\CropImageAdjustment;
use TYPO3\Media\Domain\Model\Adjustment\ImageAdjustmentInterface;
use TYPO3\Media\Domain\Model\Adjustment\ResizeImageAdjustment;
use TYPO3\Media\Domain\Model\ImageVariant;

class HexagonImageAdjustment implements ImageAdjustmentInterface {

	/**
	 * @Flow\Inject(lazy=FALSE)
	 * @var \Imagine\Image\ImagineInterface
	 */
	protected $imagineService;

	/**
	 * @var integer
	 */
	protected $maximumHeight = 0;

	/**
	 * Applies this adjustment to the given Imagine Image object
	 *
	 * @param ImageInterface $image
	 * @return ImageInterface
	 */
	public function applyToImage(ImageInterface $image) {
		$resizeImageAdjustment = new ResizeImageAdjustment();
		$resizeImageAdjustment->setMaximumHeight($this->maximumHeight);
		$resizeImageAdjustment->setMinimumHeight($this->maximumHeight);
		$resizeImageAdjustment->setMinimumHeight($this->maximumHeight);
		$image = $resizeImageAdjustment->applyToImage($image);

		$cropImageAdjustment = new CropImageAdjustment();
		$cropImageAdjustment->setHeight($this->maximumHeight);
		$cropImageAdjustment->setWidth(intval($this->maximumHeight * 0.866025));
		$cropImageAdjustment->setX(intval(($image->getSize()->getWidth() - ($this->maximumHeight * 0.866025)) / 2));

		$image = $cropImageAdjustment->applyToImage($image);

		$width = $image->getSize()->getWidth() - 1;
		$height = $image->getSize()->getHeight() - 1;

		$coordinates = [
			new Point($width / 2, 1),
			new Point($width, $height * .25),
			new Point($width, $height * .75),
			new Point($width / 2, $height),
			new Point(0, $height * .75),
			new Point(0, $height * .25),
			new Point($width / 2, 1)
		];

		$mask = $this->imagineService->create(
			$image->getSize(),
			$image->palette()->color('fff')
		);

		$mask->draw()->polygon($coordinates, $image->palette()->color('000', 100), TRUE, 0);
		$image->applyMask($mask);

		return $image;
	}

	/**
	 * Sets the image variant this adjustment belongs to
	 *
	 * @param ImageVariant $imageVariant
	 * @return void
	 */
	public function setImageVariant(ImageVariant $imageVariant) {
	}

	/**
	 * Check if this Adjustment can or should be applied to its ImageVariant.
	 *
	 * @param ImageInterface $image
	 * @return boolean
	 */
	public function canBeApplied(ImageInterface $image) {
		return TRUE;
	}

	/**
	 * @param integer $maximumHeight
	 */
	public function setMaximumHeight($maximumHeight) {
		$this->maximumHeight = $maximumHeight;
	}

}