protected function isValid($image)
{
$this->validateOptions();
if (!$image instanceof 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']));
}
}
}
