public function destroyImages(ImageStrategy $strategy)
{
$fs = $strategy->getFilesystem();
$dir = (string) $strategy->getEntityId();
if ($fs->has($dir)) {
$fs->deleteDir($dir);
}
}
private function createEmptyImages(ImageStrategy $strategy) : ImageCollection
{
$collection = new ImageCollection();
array_map(function (int $size) use($collection, $strategy) {
$dir = $this->touchDir($strategy->getFilesystem(), $strategy->getEntityId(), $collection->getUID(), $size);
$file = sprintf('%s.png', GenerateRandomString::gen(self::GENERATE_FILENAME_LENGTH));
$strategy->getFilesystem()->write("{$dir}/{$file}", '');
$collection->attachImage((string) $size, new ImageCollectionItem("{$dir}/{$file}", sprintf("%s/%s/%s/%s", $strategy->getPublicPath(), $strategy->getEntityId(), $size, $file)));
}, $strategy->getSizes());
return $collection;
}
public function generateImagesFromSource(ImageStrategy $strategy, ImageLayer $source) : ImageCollection
{
$collection = new ImageCollection();
array_map(function (int $size) use($source, $collection, $strategy) {
$ratio = array_filter(explode(':', $strategy->getRatio()), function ($input) {
return is_numeric($input);
});
if (count($ratio) !== 2) {
throw new InvalidRatioException(sprintf('Invalid ratio `%s`', $strategy->getRatio()));
}
$width = $size;
$height = $size / (int) $ratio[0] * (int) $ratio[1];
$image = clone $source;
$image->resize($width, $height);
$dir = $this->touchDir($strategy->getFilesystem(), $strategy->getEntityId(), $collection->getUID(), $size);
$file = sprintf('%s.png', GenerateRandomString::gen(self::GENERATE_FILENAME_LENGTH));
$strategy->getFilesystem()->write("{$dir}/{$file}", $image->encode('png'));
$collection->attachImage((string) $size, new Image("{$dir}/{$file}", sprintf("%s/%s/%s/%s/%s", $strategy->getPublicPath(), $strategy->getEntityId(), $collection->getUID(), $size, $file)));
}, $strategy->getSizes());
return $collection;
}
