/**
* {@inheritdoc}
*/
public function resize(ImageInterface $image, ResizeConfigurationInterface $config, ResizeOptionsInterface $options)
{
if (!empty($GLOBALS['TL_HOOKS']['executeResize']) && is_array($GLOBALS['TL_HOOKS']['executeResize']) || !empty($GLOBALS['TL_HOOKS']['getImage']) && is_array($GLOBALS['TL_HOOKS']['getImage'])) {
@trigger_error('Using the executeResize and getImage hooks has been deprecated and will no longer work in Contao 5.0. Replace the contao.image.resizer service instead.', E_USER_DEPRECATED);
$this->legacyImage = null;
$legacyPath = $image->getPath();
if (0 === strpos($legacyPath, TL_ROOT . '/') || 0 === strpos($legacyPath, TL_ROOT . '\\')) {
$legacyPath = substr($legacyPath, strlen(TL_ROOT) + 1);
$this->legacyImage = new LegacyImage(new File($legacyPath));
$this->legacyImage->setTargetWidth($config->getWidth());
$this->legacyImage->setTargetHeight($config->getHeight());
$this->legacyImage->setResizeMode($config->getMode());
$this->legacyImage->setZoomLevel($config->getZoomLevel());
if ($options->getTargetPath() && (0 === strpos($options->getTargetPath(), TL_ROOT . '/') || 0 === strpos($options->getTargetPath(), TL_ROOT . '\\'))) {
$this->legacyImage->setTargetPath(substr($options->getTargetPath(), strlen(TL_ROOT) + 1));
}
$importantPart = $image->getImportantPart();
$this->legacyImage->setImportantPart(['x' => $importantPart->getPosition()->getX(), 'y' => $importantPart->getPosition()->getY(), 'width' => $importantPart->getSize()->getWidth(), 'height' => $importantPart->getSize()->getHeight()]);
}
}
if (isset($GLOBALS['TL_HOOKS']['executeResize']) && is_array($GLOBALS['TL_HOOKS']['executeResize']) && $this->legacyImage) {
foreach ($GLOBALS['TL_HOOKS']['executeResize'] as $callback) {
$return = System::importStatic($callback[0])->{$callback[1]}($this->legacyImage);
if (is_string($return)) {
return $this->createImage($image, TL_ROOT . '/' . $return);
}
}
}
return parent::resize($image, $config, $options);
}
/**
* {@inheritdoc}
*/
public function calculate(ResizeConfigurationInterface $config, ImageDimensionsInterface $dimensions, ImportantPartInterface $importantPart = null)
{
$zoom = max(0, min(1, (int) $config->getZoomLevel() / 100));
$importantPart = $this->importantPartAsArray($dimensions, $importantPart);
// If both dimensions are present, use the mode specific calculations
if ($config->getWidth() && $config->getHeight()) {
$widthHeight = [$config->getWidth(), $config->getHeight()];
switch ($config->getMode()) {
case ResizeConfigurationInterface::MODE_CROP:
return $this->calculateCrop($widthHeight, $dimensions, $importantPart, $zoom);
case ResizeConfigurationInterface::MODE_PROPORTIONAL:
return $this->calculateProportional($widthHeight, $dimensions, $importantPart, $zoom);
case ResizeConfigurationInterface::MODE_BOX:
return $this->calculateBox($widthHeight, $dimensions, $importantPart, $zoom);
}
throw new \InvalidArgumentException(sprintf('Unsupported resize mode "%s"', $config->getMode()));
}
// If no dimensions are specified, use the zoomed important part
if (!$config->getWidth() && !$config->getHeight()) {
$zoomedImportantPart = $this->zoomImportantPart($importantPart, $zoom, $dimensions->getSize());
return $this->buildCoordinates([$dimensions->getSize()->getWidth(), $dimensions->getSize()->getHeight()], [$zoomedImportantPart['x'], $zoomedImportantPart['y']], [$zoomedImportantPart['width'], $zoomedImportantPart['height']], $dimensions);
}
// If only one dimension is specified, use the single dimension calculation
return $this->calculateSingleDimension([$config->getWidth(), $config->getHeight()], $dimensions, $this->zoomImportantPart($importantPart, $zoom, $dimensions->getSize()));
}