Viewing file:  GlideConversion.php (5.73 KB) -rw-r--r--
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<?php
namespace Spatie\Image;
use Exception;
use FilesystemIterator;
use League\Glide\Server;
use League\Glide\ServerFactory;
use Spatie\Image\Exceptions\CouldNotConvert;
use Spatie\Image\Exceptions\InvalidTemporaryDirectory;
final class GlideConversion
{
/** @var string */
private $inputImage;
/** @var string */
private $imageDriver = 'gd';
/** @var string */
private $conversionResult;
/** @var string */
private $temporaryDirectory;
public static function create(string $inputImage): self
{
return new self($inputImage);
}
public function setTemporaryDirectory(string $temporaryDirectory)
{
if (! is_dir($temporaryDirectory)) {
try {
mkdir($temporaryDirectory);
} catch (Exception $exception) {
throw InvalidTemporaryDirectory::temporaryDirectoryNotCreatable($temporaryDirectory);
}
}
if (! is_writable($temporaryDirectory)) {
throw InvalidTemporaryDirectory::temporaryDirectoryNotWritable($temporaryDirectory);
}
$this->temporaryDirectory = $temporaryDirectory;
return $this;
}
public function getTemporaryDirectory(): string
{
return $this->temporaryDirectory;
}
public function __construct(string $inputImage)
{
$this->temporaryDirectory = sys_get_temp_dir();
$this->inputImage = $inputImage;
}
public function useImageDriver(string $imageDriver): self
{
$this->imageDriver = $imageDriver;
return $this;
}
public function performManipulations(Manipulations $manipulations)
{
foreach ($manipulations->getManipulationSequence() as $manipulationGroup) {
$inputFile = $this->conversionResult ?? $this->inputImage;
$watermarkPath = $this->extractWatermarkPath($manipulationGroup);
$glideServer = $this->createGlideServer($inputFile, $watermarkPath);
$glideServer->setGroupCacheInFolders(false);
$manipulatedImage = $this->temporaryDirectory.DIRECTORY_SEPARATOR.$glideServer->makeImage(
pathinfo($inputFile, PATHINFO_BASENAME),
$this->prepareManipulations($manipulationGroup)
);
if ($this->conversionResult) {
unlink($this->conversionResult);
}
$this->conversionResult = $manipulatedImage;
}
return $this;
}
/**
* Removes the watermark path from the manipulationGroup and returns it. This way it can be injected into the Glide
* server as the `watermarks` path.
*
* @param $manipulationGroup
*
* @return null|string
*/
private function extractWatermarkPath(&$manipulationGroup)
{
if (array_key_exists('watermark', $manipulationGroup)) {
$watermarkPath = dirname($manipulationGroup['watermark']);
$manipulationGroup['watermark'] = basename($manipulationGroup['watermark']);
return $watermarkPath;
}
}
private function createGlideServer($inputFile, string $watermarkPath = null): Server
{
$config = [
'source' => dirname($inputFile),
'cache' => $this->temporaryDirectory,
'driver' => $this->imageDriver,
];
if ($watermarkPath) {
$config['watermarks'] = $watermarkPath;
}
return ServerFactory::create($config);
}
public function save(string $outputFile)
{
if ($this->conversionResult == '') {
copy($this->inputImage, $outputFile);
return;
}
$conversionResultDirectory = pathinfo($this->conversionResult, PATHINFO_DIRNAME);
copy($this->conversionResult, $outputFile);
unlink($this->conversionResult);
if ($this->directoryIsEmpty($conversionResultDirectory) && $conversionResultDirectory !== sys_get_temp_dir()) {
rmdir($conversionResultDirectory);
}
}
private function prepareManipulations(array $manipulationGroup): array
{
$glideManipulations = [];
foreach ($manipulationGroup as $name => $argument) {
if ($name !== 'optimize') {
$glideManipulations[$this->convertToGlideParameter($name)] = $argument;
}
}
return $glideManipulations;
}
private function convertToGlideParameter(string $manipulationName): string
{
$conversions = [
'width' => 'w',
'height' => 'h',
'blur' => 'blur',
'pixelate' => 'pixel',
'crop' => 'fit',
'manualCrop' => 'crop',
'orientation' => 'or',
'flip' => 'flip',
'fit' => 'fit',
'devicePixelRatio' => 'dpr',
'brightness' => 'bri',
'contrast' => 'con',
'gamma' => 'gam',
'sharpen' => 'sharp',
'filter' => 'filt',
'background' => 'bg',
'border' => 'border',
'quality' => 'q',
'format' => 'fm',
'watermark' => 'mark',
'watermarkWidth' => 'markw',
'watermarkHeight' => 'markh',
'watermarkFit' => 'markfit',
'watermarkPaddingX' => 'markx',
'watermarkPaddingY' => 'marky',
'watermarkPosition' => 'markpos',
'watermarkOpacity' => 'markalpha',
];
if (! isset($conversions[$manipulationName])) {
throw CouldNotConvert::unknownManipulation($manipulationName);
}
return $conversions[$manipulationName];
}
private function directoryIsEmpty(string $directory): bool
{
$iterator = new FilesystemIterator($directory);
return ! $iterator->valid();
}
}
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