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Solved Image orientation on upload - K 4.06 with Crypsis

WolfgangOWL
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7 years 4 months ago #1 by WolfgangOWL

Image orientation on upload - K 4.06 with Crypsis was created by WolfgangOWL

Hello folks,

I recently updated from K 4.05 with Blue Eagle template to 4.06 with Crypsis. I modified the upload.php to change the orientation of uploaded images with portrait orientation using the orientation tag of jpg files. This worked fine until before the update. The same modification applied after the update has no effect at all. Can anyone help me with this?

Thanks in advance,
Wolfgang

www.scrollsawprojects.net

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WolfgangOWL
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7 years 4 months ago #2 by WolfgangOWL

Replied by WolfgangOWL on topic Image orientation on upload - K 4.06 with Crypsis

I found out the reason. Crypsis uses the ajaxUpload function for file uploads. After applying the image rotation there it works fine.

www.scrollsawprojects.net

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810
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7 years 4 months ago #3 by 810

Replied by 810 on topic Image orientation on upload - K 4.06 with Crypsis

good, could you add the code, how to change it, maybe someone else can use it.

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WolfgangOWL
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7 years 4 months ago #4 by WolfgangOWL

Replied by WolfgangOWL on topic Image orientation on upload - K 4.06 with Crypsis

810 wrote: good, could you add the code, how to change it, maybe someone else can use it.

Shure I can.

This is the function which does the image rotation:

Code:

    function correctImageOrientation($filename)
    {
        $testForJpg = getimagesize($filename);
			
        if ($testForJpg[2] == 2)
        {
            if (function_exists('exif_read_data')) 
            {
                $deg  = 0;
                $exif = exif_read_data($filename);
												
                if ($exif && isset($exif['Orientation'])) 
                {
                    $orientation = $exif['Orientation'];

                    if ($orientation != 1)
                    {
                        $img = imagecreatefromjpeg($filename);

                        switch ($orientation) 
                        {
                            case 3:
                            case 4: $deg = 180;
                                    break;
                            case 5:
                            case 6: $deg = 270;
                                    break;
                            case 7:
                            case 8: $deg = 90;
                                    break;
                        }
                    }
                }
				
                if ($deg > 0) 
                {
                    $img = imagerotate($img, $deg, 0);        
                    imagejpeg($img, $filename, 95);
                } 
            }
        }
    }

This code must be placed in function ajaxUpload above of
}
catch (Exception $exception)
{
}

Code:

// get filename from stream
$meta_data = stream_get_meta_data($out);
$filename  = $meta_data["uri"];
$this->correctImageOrientation($filename);

And this must be placed in function upload above of
if (!KunenaFile::copy($file->tmp_name, $file->destination))
{
throw new RuntimeException(JText::_('COM_KUNENA_UPLOAD_ERROR_FILE_RIGHT_MEDIA_DIR'), 500);
}

Code:

$this->correctImageOrientation($file->tmp_name);

www.scrollsawprojects.net

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