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<?php |
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namespace Spatie\MediaLibrary\ResponsiveImages; |
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use Spatie\MediaLibrary\Helpers\File; |
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use Spatie\MediaLibrary\Models\Media; |
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use Spatie\MediaLibrary\Helpers\ImageFactory; |
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use Spatie\MediaLibrary\Conversion\Conversion; |
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use Spatie\MediaLibrary\Filesystem\Filesystem; |
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use Spatie\MediaLibrary\Helpers\TemporaryDirectory; |
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use Spatie\MediaLibrary\Events\ResponsiveImagesGenerated; |
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use Spatie\MediaLibrary\ResponsiveImages\Exceptions\InvalidTinyJpg; |
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use Spatie\MediaLibrary\ResponsiveImages\WidthCalculator\WidthCalculator; |
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use Spatie\TemporaryDirectory\TemporaryDirectory as BaseTemporaryDirectory; |
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use Spatie\MediaLibrary\ResponsiveImages\TinyPlaceholderGenerator\TinyPlaceholderGenerator; |
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class ResponsiveImageGenerator |
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{ |
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/** \Spatie\MediaLibrary\Filesystem\Filesystem */ |
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protected $filesystem; |
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/** \Spatie\MediaLibrary\ResponsiveImages\WidthCalculator\WidthCalculator */ |
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protected $widthCalculator; |
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/** \Spatie\MediaLibrary\ResponsiveImages\TinyPlaceHolderGenerator\TinyPlaceHolderGenerator */ |
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protected $tinyPlaceholderGenerator; |
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public function __construct( |
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Filesystem $filesystem, |
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WidthCalculator $widthCalculator, |
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TinyPlaceholderGenerator $tinyPlaceholderGenerator |
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) { |
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$this->filesystem = $filesystem; |
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$this->widthCalculator = $widthCalculator; |
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$this->tinyPlaceholderGenerator = $tinyPlaceholderGenerator; |
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} |
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public function generateResponsiveImages(Media $media) |
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{ |
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$temporaryDirectory = TemporaryDirectory::create(); |
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$baseImage = app(Filesystem::class)->copyFromMediaLibrary( |
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$media, |
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$temporaryDirectory->path(str_random(16).'.'.$media->extension) |
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); |
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$media = $this->cleanResponsiveImages($media); |
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foreach ($this->widthCalculator->calculateWidthsFromFile($baseImage) as $width) { |
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$this->generateResponsiveImage($media, $baseImage, 'medialibrary_original', $width, $temporaryDirectory); |
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} |
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event(new ResponsiveImagesGenerated($media)); |
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$this->generateTinyJpg($media, $baseImage, 'medialibrary_original', $temporaryDirectory); |
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$temporaryDirectory->delete(); |
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} |
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public function generateResponsiveImagesForConversion(Media $media, Conversion $conversion, string $baseImage) |
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{ |
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$temporaryDirectory = TemporaryDirectory::create(); |
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$media = $this->cleanResponsiveImages($media, $conversion->getName()); |
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foreach ($this->widthCalculator->calculateWidthsFromFile($baseImage) as $width) { |
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$this->generateResponsiveImage($media, $baseImage, $conversion->getName(), $width, $temporaryDirectory); |
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} |
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$this->generateTinyJpg($media, $baseImage, $conversion->getName(), $temporaryDirectory); |
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$temporaryDirectory->delete(); |
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} |
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public function generateResponsiveImage( |
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Media $media, |
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string $baseImage, |
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string $conversionName, |
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int $targetWidth, |
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BaseTemporaryDirectory $temporaryDirectory |
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) { |
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$responsiveImagePath = $this->appendToFileName($media->file_name, "___{$conversionName}_{$targetWidth}"); |
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$tempDestination = $temporaryDirectory->path($responsiveImagePath); |
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ImageFactory::load($baseImage) |
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->optimize() |
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->width($targetWidth) |
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->save($tempDestination); |
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$responsiveImageHeight = ImageFactory::load($tempDestination)->getHeight(); |
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$finalImageFileName = $this->appendToFileName($responsiveImagePath, "_{$responsiveImageHeight}"); |
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$finalResponsiveImagePath = $temporaryDirectory->path($finalImageFileName); |
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rename($tempDestination, $finalResponsiveImagePath); |
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$this->filesystem->copyToMediaLibrary($finalResponsiveImagePath, $media, 'responsiveImages'); |
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ResponsiveImage::register($media, $finalImageFileName, $conversionName); |
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} |
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public function generateTinyJpg(Media $media, string $originalImagePath, string $conversionName, BaseTemporaryDirectory $temporaryDirectory) |
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{ |
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$tempDestination = $temporaryDirectory->path('tiny.jpg'); |
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$this->tinyPlaceholderGenerator->generateTinyPlaceholder($originalImagePath, $tempDestination); |
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$this->guardAgainstInvalidTinyPlaceHolder($tempDestination); |
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$tinyImageDataBase64 = base64_encode(file_get_contents($tempDestination)); |
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$tinyImageBase64 = 'data:image/jpeg;base64,'.$tinyImageDataBase64; |
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$originalImage = ImageFactory::load($originalImagePath); |
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$originalImageWidth = $originalImage->getWidth(); |
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$originalImageHeight = $originalImage->getHeight(); |
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$svg = view('medialibrary::placeholderSvg', compact( |
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'originalImageWidth', |
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'originalImageHeight', |
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'tinyImageBase64' |
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)); |
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$base64Svg = 'data:image/svg+xml;base64,'.base64_encode($svg); |
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ResponsiveImage::registerTinySvg($media, $base64Svg, $conversionName); |
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} |
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protected function appendToFileName(string $filePath, string $suffix): string |
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{ |
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$baseName = pathinfo($filePath, PATHINFO_FILENAME); |
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$extension = pathinfo($filePath, PATHINFO_EXTENSION); |
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return $baseName.$suffix.'.'.$extension; |
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} |
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protected function guardAgainstInvalidTinyPlaceHolder(string $tinyPlaceholderPath) |
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{ |
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if (! file_exists($tinyPlaceholderPath)) { |
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throw InvalidTinyJpg::doesNotExist($tinyPlaceholderPath); |
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} |
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$mimeType = File::getMimetype($tinyPlaceholderPath); |
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if ($mimeType !== 'image/jpeg') { |
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throw InvalidTinyJpg::hasWrongMimeType($tinyPlaceholderPath); |
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} |
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} |
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protected function cleanResponsiveImages(Media $media, string $conversionName = 'medialibrary_original') : Media |
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{ |
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$responsiveImages = $media->responsive_images; |
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$responsiveImages[$conversionName]['urls'] = []; |
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$media->responsive_images = $responsiveImages; |
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$this->filesystem->removeResponsiveImages($media, $conversionName); |
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return $media; |
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} |
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} |
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spatie /
laravel-medialibrary
Loading history...
This function has been deprecated. The supplier of the file has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the function will be removed from the class and what other function to use instead.