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by Yaroslav
02:49
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QrCodeImageForPdf::convertImageTo8bit()   A

↳ Parent: QrCodeImageForPdf

Complexity

Conditions 1
Paths 1

Size

Total Lines 5
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 3
c 1
b 0
f 0
nc 1
nop 1
dl 0
loc 5
ccs 4
cts 4
cp 1
crap 1
rs 10
1 
<?php
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namespace ThinkQR\Image;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Intervention\Image\ImageManagerStatic;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use ThinkQR\QRCode;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class QrCodeImageForPdf

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected string $tmpFileName = '';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(string $content, array $options = [])

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->tmpFileName = $this->generateTemporalFileName('png');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        ( new QRCode($content, $options) )->writePngFile($this->tmpFileName);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        static::convertImageTo8bit($this->tmpFileName);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public static function make(...$arguments): static

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return new static(...$arguments);

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

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        introduced 
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$arguments is expanded, but the parameter $content of ThinkQR\Image\QrCodeImageForPdf::__construct() does not expect variable arguments.
                                                                                                                                       (
                                     Ignorable by Annotation
                                )
                                

                                    
 If this is a false-positive, you can also ignore this issue in your code via the ignore-type   annotation

                                    

                                        

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        return new static(/** @scrutinizer ignore-type */ ...$arguments);

                                        

                                                                            

                                

                                                                                                                                                                                

                    
                                                    

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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function filePath(): string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->tmpFileName;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Create temporal file name.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string|null $ext

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @throws \Exception

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected function generateTemporalFileName(?string $ext = null): string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $name = tempnam(sys_get_temp_dir(), 'gen_pdf_image_qr');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if ($ext) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $name = "{$name}.{$ext}";

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (!$name) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new \Exception('Temporal file name can\'t be created.');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $name;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * FPDF support only 8 bit colors - so we need convert image before insert

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string $path

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public static function convertImageTo8bit(string $path): void

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $img = ImageManagerStatic::make($path);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $img->limitColors(255, '#ffffff');

            


            
                                                                        
                            
            
                                    
            
            

                
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        $img->save($path);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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