/**
* Processes the resize and executes it if not already cached.
*
* @param ImageInterface $image
* @param ResizeConfigurationInterface $config
* @param ResizeOptionsInterface $options
*
* @return ImageInterface
*/
private function processResize(ImageInterface $image, ResizeConfigurationInterface $config, ResizeOptionsInterface $options)
{
$coordinates = $this->calculator->calculate($config, $image->getDimensions(), $image->getImportantPart());
// Skip resizing if it would have no effect
if ($coordinates->isEqualTo($image->getDimensions()->getSize()) && !$image->getDimensions()->isRelative()) {
return $this->createImage($image, $image->getPath());
}
$cachePath = $this->cacheDir . '/' . $this->createCachePath($image->getPath(), $coordinates);
if ($this->filesystem->exists($cachePath) && !$options->getBypassCache()) {
return $this->createImage($image, $cachePath);
}
return $this->executeResize($image, $coordinates, $cachePath, $options);
}
/**
* {@inheritdoc}
*/
public function getImportantPartFromLegacyMode(ImageInterface $image, $mode)
{
if (1 !== substr_count($mode, '_')) {
throw new \InvalidArgumentException(sprintf('"%s" is not a legacy resize mode', $mode));
}
$importantPart = [0, 0, $image->getDimensions()->getSize()->getWidth(), $image->getDimensions()->getSize()->getHeight()];
list($modeX, $modeY) = explode('_', $mode);
if ('left' === $modeX) {
$importantPart[2] = 1;
} elseif ('right' === $modeX) {
$importantPart[0] = $importantPart[2] - 1;
$importantPart[2] = 1;
}
if ('top' === $modeY) {
$importantPart[3] = 1;
} elseif ('bottom' === $modeY) {
$importantPart[1] = $importantPart[3] - 1;
$importantPart[3] = 1;
}
return new ImportantPart(new Point($importantPart[0], $importantPart[1]), new Box($importantPart[2], $importantPart[3]));
}
