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Compress original Image of PDF file

This commit is contained in:
Philipp Lang 2021-09-17 12:22:19 +00:00
parent c76eccde13
commit ffa83f8e9a
8 changed files with 299 additions and 14 deletions
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11
classes/ImageResizer.php
View File

@ -36,7 +36,7 @@ class ImageResizer
private function dimensions(): Collection
{
[$width, $height] = getimagesize($this->file->root());
[$width, $height] = $this->file->compressor()->originalSize();
return collect(compact('width', 'height'));
}
@ -56,19 +56,18 @@ class ImageResizer
$ratios = collect();
$ratios->push($this->dimensions());
$ratios = $ratios->merge($this->sizes());
[$origWidth, $origHeight] = getimagesize($this->file->root());
foreach (collect(Setting::get('breakpoints'))->push($this->dimensions()->get('width'))->unique() as $size) {
foreach ($ratios as $ratio) {
$width = $size;
$height = $size * $ratio->get('height') / $ratio->get('width');
if ($height > $origHeight) {
$width = $width * $origHeight / $height;
$height = $origHeight;
if ($height > $this->dimensions()->get('height')) {
$width = $width * $this->dimensions()->get('height') / $height;
$height = $this->dimensions()->get('height');
}
if (ceil($width) > $origWidth || ceil($height) > $origHeight) {
if (ceil($width) > $this->dimensions()->get('width') || ceil($height) > $this->dimensions()->get('height')) {
continue;
}

8
compressors/Compressor.php
View File

@ -2,15 +2,23 @@
namespace Aweos\Resizer\Compressors;
use Aweos\Resizer\Lib\MediaPath;
use Storage;
abstract class Compressor
{
protected $media;
abstract function make(string $path): array;
abstract protected function getExtension();
public function __construct(MediaPath $media)
{
$this->media = $media;
}
public function tmpPath(): string
{
return "/tmp/".str_slug(microtime());

1
compressors/Factory.php
View File

@ -12,6 +12,7 @@ class Factory
public array $types = [
'image/jpeg' => JpgCompressor::class,
'image/png' => PngCompressor::class,
'application/pdf' => PdfCompressor::class,
];
public function fromMedia(string $mediaPath): Compressor

14
compressors/JpgCompressor.php
View File

@ -26,6 +26,11 @@ class JpgCompressor extends Compressor {
];
}
public function originalSize(): array
{
return getimagesize($this->media->root());
}
public function shouldGenerateVersions(): bool
{
return true;
@ -42,14 +47,7 @@ class JpgCompressor extends Compressor {
list($destWidth, $destHeight) = getimagesize(Storage::path($temp));
$versionFilename = $destination.
'/'.
pathinfo($source, PATHINFO_FILENAME).
'-'.
$destWidth.
'x'.
$destHeight.
'.jpg';
$versionFilename = $destination.'/'.$this->versionFilename($source, $destWidth, $destHeight);
$this->moveTo($temp, $versionFilename);
}

62
compressors/PdfCompressor.php Normal file
View File

@ -0,0 +1,62 @@
<?php
namespace Aweos\Resizer\Compressors;
use Illuminate\Support\Collection;
use Intervention\Image\ImageManager;
use Storage;
class PdfCompressor extends Compressor {
protected function getExtension(): string
{
return 'jpg';
}
public function make(string $path): array
{
$output = $this->tmpPath();
$mimetype = mime_content_type($path);
system('imagemin '.escapeshellarg($path).' --plugin=jpegtran --plugin=mozjpeg --plugin.mozjpeg.quality=70 > '.escapeshellarg($output));
system("mv ".escapeshellarg($output)." ".escapeshellarg($path));
return [
$path => [$path],
];
}
private function extractImage(string $pdf): string
{
$file = $this->tmpPath().'.jpg';
exec('convert -density 150 '.escapeshellarg($pdf.'[0]').' -quality 90 '.escapeshellarg($file), $output, $r);
return $file;
}
public function originalSize(): array
{
return getimagesize($this->extractImage($this->media->root()));
}
public function shouldGenerateVersions(): bool
{
return true;
}
public function resize(string $source, string $destination, Collection $size): void
{
$temp = $this->extractImage($source);
$r = app(ImageManager::class)->make($temp)
->fit($size->get('width'), $size->get('height'), fn ($constraint) => $constraint->upsize())
->save($temp);
list($destWidth, $destHeight) = getimagesize($temp);
$versionFilename = $destination.'/'.$this->versionFilename($source, $destWidth, $destHeight);
Storage::put($versionFilename, file_get_contents($temp));
}
}

5
compressors/PngCompressor.php
View File

@ -26,6 +26,11 @@ class PngCompressor extends Compressor {
];
}
public function originalSize(): array
{
return getimagesize($this->media->root());
}
public function shouldGenerateVersions(): bool
{
return true;

14
tests/ResizerTest.php
View File

@ -224,4 +224,18 @@ class ResizerTest extends TestCase
$this->assertFileCount(2, 'pages');
}
public function testGeneratePdfImages(): void
{
Setting::set('folders', [['folder' => '/pages']]);
Setting::set('sizes', []);
Setting::set('breakpoints', []);
$media = MediaLibrary::instance();
$media->put('/pages/test.pdf', file_get_contents(__DIR__.'/stub/dummy.pdf'));
Event::fire('media.file.upload', [null, '/pages/test.pdf', null]);
$this->assertHasFile('pages/test-1275x1650.jpg');
$this->assertFileCount(1, 'pages');
}
}

198
tests/stub/dummy.pdf Normal file
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@ -0,0 +1,198 @@
%PDF-1.3
%âãÏÓ
1 0 obj
<<
/Type /Catalog
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>>
endobj
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<<
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endobj
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<<
/Type /Pages
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/Kids [ 4 0 R 6 0 R ]
>>
endobj
4 0 obj
<<
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>>
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/F1 0027 Tf
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( A Simple PDF File ) Tj
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69.2500 688.6080 Td
( This is a small demonstration .pdf file - ) Tj
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69.2500 664.7040 Td
( just for use in the Virtual Mechanics tutorials. More text. And more ) Tj
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( text. And more text. And more text. And more text. ) Tj
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( And more text. And more text. And more text. And more text. And more ) Tj
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( text. And more text. Boring, zzzzz. And more text. And more text. And ) Tj
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( more text. And more text. And more text. And more text. And more text. ) Tj
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( text. And more text. And more text. Even more. Continued on page 2 ...) Tj
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( text. Oh, how boring typing this stuff. But not as boring as watching ) Tj
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( paint dry. And more text. And more text. And more text. And more text. ) Tj
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ET
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