README

This package provides a wrapper for pdftoppm.

  \Ottosmops\Pdftothumb\Converter::create('/path/to/file.pdf')->convert();
  //creates a thumb of the first page: '/path/to/file.jpg'

We use this as an alternative to the excellent spatie/pdf-to-image package as we sometimes have large PDFs to convert and then it seems to be faster and more memory friendly to use pdftoppm.

Requirements

PHP >= 8.2
poppler-utils (provides pdftoppm)

The Package uses pdftoppm. Make sure that this is installed: which pdftoppm

For Installation see: poppler-utils

If the installed binary is not found ("The command "which pdftoppm" failed.") you can pass the full path to the _constructor (see below) or use putenv('PATH=$PATH:/usr/local/bin/:/usr/bin') (with the dir where pdftoppm lives) before you call the class Converter.

Installation

composer require ottosmops/pdftothumb

Usage

Converting PDF to jpg:

$exitCode = (new Converter($source, $target, $executable))->convert();

$target and $executable are optional.

Or like this:

$converter = Converter::create($source);
$converter->convert()

You can set some options:

Converter::create('/path/to/source.pdf')
                 ->target('/path/to/target.jpg')
                 ->executable('path/to/pdftoppm')
                 ->format('jpeg') // jpeg | png | tiff
                 ->scaleTo(150)
                 ->page(1) // or ->firstpage(1)->lastpage(1)
                 ->convert();

You can add options:

Converter::create('/path/to/source.pdf')
                ->addOption('-gray')
                ->convert();

Or you can replace all options and set them by hand:

Converter::create('/path/to/source.pdf')
                ->setOptions('-f 3 -l 3 -scale-to 200 -png')
                ->convert();

Default options are: -f 1 -l 1 -scale-to 150 -jpeg

Usage for spatie/medialibrary

Tell the medialibrary not to use the standard ImageGenerator.

config/media-library.php

/*
 * These generators will be used to create an image of a media file.
 */
'image_generators' => [
    Spatie\MediaLibrary\Conversions\ImageGenerators\Image::class,
    Spatie\MediaLibrary\Conversions\ImageGenerators\Webp::class,
    // Spatie\MediaLibrary\Conversions\ImageGenerators\Pdf::class,
    App\ImageGenerators\Pdf::class,
    Spatie\MediaLibrary\Conversions\ImageGenerators\Svg::class,
    Spatie\MediaLibrary\Conversions\ImageGenerators\Video::class,
],

Create a new ImageGenerator

app/ImageGenerators/Pdf.php

<?php

namespace App\ImageGenerators;

use Illuminate\Support\Collection;
use Ottosmops\Pdftothumb\Converter;
use Spatie\MediaLibrary\Conversions\Conversion;
use Spatie\MediaLibrary\Conversions\ImageGenerators\ImageGenerator;

class Pdf extends ImageGenerator
{
    /**
     * This function should return a path to an image representation of the given file.
     */
    public function convert(string $path, ?Conversion $conversion = null): string
    {
        $imageFile = pathinfo($path, PATHINFO_DIRNAME).'/'.pathinfo($path, PATHINFO_FILENAME).'.jpg';

        Converter::create($path)->target($imageFile)->convert();

        return $imageFile;
    }

    public function requirementsAreInstalled(): bool
    {
        return true;
    }

    public function supportedExtensions(): Collection
    {
        return collect(['pdf']);
    }

    public function supportedMimeTypes(): Collection
    {
        return collect(['application/pdf']);
    }
}

License

The MIT License (MIT). Please see License File for more information.

ottosmops / pdftothumb

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