/**
* The given $value is valid if it is an \TYPO3\Media\Domain\Model\ImageInterface of the configured resolution
* Note: a value of NULL or empty string ('') is considered valid
*
* @param \TYPO3\Media\Domain\Model\ImageInterface $image The image that should be validated
* @return void
* @api
*/
protected function isValid($image)
{
$this->validateOptions();
if (!$image instanceof \TYPO3\Media\Domain\Model\ImageInterface) {
$this->addError('The given value was not an Image instance.', 1327943859);
return;
}
if (isset($this->options['minimumWidth']) && $image->getWidth() < $this->options['minimumWidth']) {
$this->addError('The actual image width of %1$d is lower than the allowed minimum width of %2$d.', 1319801362, array($image->getWidth(), $this->options['minimumWidth']));
} elseif (isset($this->options['maximumWidth']) && $image->getWidth() > $this->options['maximumWidth']) {
$this->addError('The actual image width of %1$d is higher than the allowed maximum width of %2$d.', 1319801859, array($image->getWidth(), $this->options['maximumWidth']));
}
if (isset($this->options['minimumHeight']) && $image->getHeight() < $this->options['minimumHeight']) {
$this->addError('The actual image height of %1$d is lower than the allowed minimum height of %2$d.', 1319801925, array($image->getHeight(), $this->options['minimumHeight']));
} elseif (isset($this->options['maximumHeight']) && $image->getHeight() > $this->options['maximumHeight']) {
$this->addError('The actual image height of %1$d is higher than the allowed maximum height of %2$d.', 1319801929, array($image->getHeight(), $this->options['maximumHeight']));
}
if (isset($this->options['minimumResolution']) || isset($this->options['maximumResolution'])) {
$resolution = $image->getWidth() * $image->getHeight();
if (isset($this->options['minimumResolution']) && $resolution < $this->options['minimumResolution']) {
$this->addError('The given image size of %1$d x %2$d is too low for the required minimum resolution of %3$d.', 1319813336, array($image->getHeight(), $image->getHeight(), $this->options['minimumResolution']));
} elseif (isset($this->options['maximumResolution']) && $resolution > $this->options['maximumResolution']) {
$this->addError('The given image size of %1$d x %2$d is too high for the required maximum resolution of %3$d.', 1319813355, array($image->getHeight(), $image->getHeight(), $this->options['maximumResolution']));
}
}
}
/**
* Calculates the dimensions of the thumbnail to be generated and returns the thumbnail image if the new dimensions
* differ from the specified image dimensions, otherwise the original image is returned.
*
* @param ImageInterface $image
* @param integer $maximumWidth
* @param integer $maximumHeight
* @param boolean $allowCropping
* @param boolean $allowUpScaling
* @return ImageInterface
*/
protected function getImageThumbnailImage(ImageInterface $image, $maximumWidth = NULL, $maximumHeight = NULL, $allowCropping = NULL, $allowUpScaling = NULL)
{
$ratioMode = $allowCropping ? ImageInterface::RATIOMODE_OUTBOUND : ImageInterface::RATIOMODE_INSET;
if ($allowUpScaling === FALSE) {
$maximumWidth = $maximumWidth > $image->getWidth() ? $image->getWidth() : $maximumWidth;
$maximumHeight = $maximumHeight > $image->getHeight() ? $image->getHeight() : $maximumHeight;
}
if ($maximumWidth === $image->getWidth() && $maximumHeight === $image->getHeight()) {
return $image;
}
return $this->thumbnailService->getThumbnail($image, $maximumWidth, $maximumHeight, $ratioMode, $allowUpScaling);
}
/**
* Refits the crop proportions to be the maximum size within the image boundaries.
*
* @param ImageInterface $image
* @return void
*/
public function refit(ImageInterface $image)
{
$this->x = 0;
$this->y = 0;
$ratio = $this->getWidth() / $image->getWidth();
$this->setWidth($image->getWidth());
$this->setHeight($this->getHeight() / $ratio);
if ($this->getHeight() > $image->getHeight()) {
$ratio = $this->getHeight() / $image->getHeight();
$this->setWidth($this->getWidth() / $ratio);
$this->setHeight($image->getHeight());
}
}
