294 lines
6.9 KiB
PHP
294 lines
6.9 KiB
PHP
<?php
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namespace App\Models;
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use Carbon\Carbon;
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use Illuminate\Support\Facades\Log;
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use Illuminate\Support\Traits\ForwardsCalls;
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use Imagick;
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use App\Casts\PostgresBytea;
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use App\Jobs\CatalogMove;
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class Photo extends Abstracted\Catalog
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{
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use ForwardsCalls;
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public const config = 'photo';
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protected $casts = [
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'created'=>'datetime:Y-m-d H:i:s',
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'thumbnail'=>PostgresBytea::class,
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];
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protected static $includeSubSecTime = TRUE;
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// Imagick Object
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private ?Imagick $_o;
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protected array $init = [
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'creation_date',
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'gps',
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'heightwidth',
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'signature',
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'software',
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'subsectime',
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];
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// How should the image be rotated, based on the value of orientation
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private array $_rotate = [
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3 => 180,
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6 => 90,
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8 => -90,
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];
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/**
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* Calculate the GPS coordinates
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*/
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public static function latlon(array $coordinate,string $hemisphere): ?float
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{
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if ((! $coordinate) || (! $hemisphere))
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return NULL;
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for ($i=0; $i<3; $i++) {
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$part = explode('/', $coordinate[$i]);
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if (count($part) == 1)
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$coordinate[$i] = $part[0];
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elseif (count($part) == 2)
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$coordinate[$i] = floatval($part[0])/floatval($part[1]);
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else
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$coordinate[$i] = 0;
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}
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list($degrees,$minutes,$seconds) = $coordinate;
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$sign = ($hemisphere === 'W' || $hemisphere === 'S') ? -1 : 1;
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return round($sign*($degrees+$minutes/60+$seconds/3600),($degrees>100 ? 3 : 4));
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}
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/**
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* Forward calls to Imagick
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*
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* @param $method
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* @param $parameters
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* @return mixed|null
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*/
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public function __call($method,$parameters) {
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if (str_starts_with($method,'Imagick_')) {
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$method = preg_replace('/^Imagick_/','',$method);
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return $this->o ? $this->forwardCallTo($this->_o,$method,$parameters) : NULL;
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} else
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return parent::__call($method,$parameters);
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}
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public function __get($key): mixed
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{
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if ($key === 'o') {
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if (isset($this->_o))
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return $this->_o;
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if ((! file_exists($this->file_name(FALSE))) || (! is_readable($this->file_name(FALSE))))
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return $this->_o = NULL;
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if (! isset($this->_o))
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return $this->_o = new Imagick($this->file_name(FALSE));
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}
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return parent::__get($key);
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}
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/* ATTRIBUTES */
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public function getFileSignatureAttribute(string $val=NULL): string
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{
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return $val ?: $this->getObjectOriginal('file_signature');
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}
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public function getHeightAttribute(string $val=NULL): ?int
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{
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return $val ?: $this->getObjectOriginal('height');
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}
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public function getOrientationAttribute(int $val=NULL): ?int
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{
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return $val ?: $this->getObjectOriginal('orientation');
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}
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public function getSignatureAttribute(string $val=NULL): ?string
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{
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return $val ?: $this->getObjectOriginal('signature');
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}
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public function getWidthAttribute(string $val=NULL): ?int
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{
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return $val ?: $this->getObjectOriginal('width');
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}
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/* METHODS */
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public function custom_init(): void
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{
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$this->orientation = $this->getObjectOriginal('orientation');
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try {
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if ($this->isReadable() && $this->o->thumbnailimage(150,150,true)) {
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$this->o->setImageFormat('jpg');
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$this->thumbnail = $this->o->getImageBlob();
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}
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} catch (\Exception $e) {
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Log::info(sprintf('Unable to create thumbnail for %s (%s)',$this->id,$e->getMessage()));
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}
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if ($this->thumbnail === FALSE)
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$this->thumbnail = NULL;
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}
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public function getObjectOriginal(string $property): mixed
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{
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switch ($property) {
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case 'creation_date':
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if ($this->Imagick_getImageProperty('exif:DateTimeOriginal') === '0000:00:00 00:00:00'
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&& $this->Imagick_getImageProperty('exif:DateTime') === '0000:00:00 00:00:00')
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return NULL;
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$result = Carbon::create($x=
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($this->Imagick_getImageProperty('exif:DateTimeOriginal') && ($this->Imagick_getImageProperty('exif:DateTimeOriginal') !== '0000:00:00 00:00:00'))
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? $this->Imagick_getImageProperty('exif:DateTimeOriginal').$this->Imagick_getImageProperty('exif:OffsetTimeOriginal')
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: $this->Imagick_getImageProperty('exif:DateTime').$this->Imagick_getImageProperty('exif:OffsetTime'));
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return $result ?: NULL;
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case 'file_signature':
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return md5_file($this->file_name(FALSE));
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case 'gps_lat':
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return self::latlon(preg_split('/,\s?/',$this->Imagick_getImageProperty('exif:GPSLatitude')),$this->Imagick_getImageProperty('exif:GPSLatitudeRef'));
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case 'gps_lon':
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return self::latlon(preg_split('/,\s?/',$this->Imagick_getImageProperty('exif:GPSLongitude')),$this->Imagick_getImageProperty('exif:GPSLongitudeRef'));
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case 'height':
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return $this->Imagick_getImageHeight();
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case 'identifier':
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return NULL;
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case 'make':
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return $this->Imagick_getImageProperty('exif:Make');
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case 'model':
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return $this->Imagick_getImageProperty('exif:Model');
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case 'orientation':
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return $this->Imagick_getImageOrientation();
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case 'signature':
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return $this->Imagick_getImageSignature();
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case 'software':
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return $this->Imagick_getImageProperty('exif:Software');
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case 'subsectime':
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$this->subsectime = (int)$this->Imagick_getImageProperty('exif:SubSecTimeOriginal');
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// In case of an error.
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if ($this->subsectime > 32767)
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$this->subsectime = 32767;
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if ($this->subsectime === FALSE)
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$this->subsectime = 0;
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return $this->subsectime;
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case 'width':
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return $this->Imagick_getImageWidth();
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default:
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throw new \Exception('To implement: '.$property);
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}
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}
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/**
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* Return the image, rotated
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*/
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public function image(): ?string
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{
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if (! $this->o)
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return NULL;
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$imo = clone($this->o);
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return $imo ? $this->rotate($imo) : NULL;
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}
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/**
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* Display the orientation of a photo
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*/
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public function orientation(): string
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{
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switch ($this->orientation) {
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case 1: return 'None!';
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case 3: return 'Upside Down';
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case 6: return 'Rotate Right';
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case 8: return 'Rotate Left';
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default: return 'unknown?';
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}
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}
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/**
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* Rotate the image
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*/
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private function rotate(\Imagick $imo,string $format='jpg'): string
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{
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if (array_key_exists($this->orientation,$this->_rotate))
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$imo->rotateImage(new \ImagickPixel('none'),$this->_rotate[$this->orientation]);
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$imo->setImageFormat($format);
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if (array_key_exists('exif',$imo->getImageProfiles()))
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$imo->removeImageProfile('exif');
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return $imo->getImageBlob();
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}
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/**
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* Return the image's thumbnail
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*/
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public function thumbnail($rotate=TRUE): ?string
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{
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if (! $this->thumbnail) {
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if ($this->isReadable() && $this->o->thumbnailimage(150,150,true)) {
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$this->o->setImageFormat('jpg');
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return $this->o->getImageBlob();
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} else {
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return NULL;
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}
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}
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if ((! $rotate) || (! array_key_exists($this->orientation,$this->_rotate)) || (! extension_loaded('imagick')))
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return $this->thumbnail;
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$imo = new \Imagick();
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$imo->readImageBlob($this->thumbnail);
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$imo->setImageFormat('jpg');
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return $this->rotate($imo);
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}
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/**
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* Return the extension of the image
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*/
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public function type(bool $mime=FALSE): string
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{
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return strtolower($mime ? mime_content_type($this->file_name(FALSE)) : pathinfo($this->filename,PATHINFO_EXTENSION));
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}
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} |