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@erikvanberkum, I've merged your question from general support to the support thread of the FieldtypePDF module. You may also want to open an issue about this in the FieldtypePDF GitHub repository. Also, please make sure that you're running the latest version of the module ?

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  • 3 years later...

Hi @kalimati, not exactly sure, but I guess it will be related to the colorspace the PDF is in? 🤔 I am no expert on this area and don't know if PDF can have different colorspace, but the field has an option to set the colorspace to be used for the image generating (on Details tab), so you can experiment with it. 

image.png.e83b6423ae0caa73ad1aa464457e6f27.png

 

You can also check https://github.com/uiii/ProcessWire-FieldtypePDF/blob/9f07314883cd281e09851f149b8889c1a3e8daa0/FieldtypePDF/PDFConverter.php#L149 where is the code to generate the image, and you can find a way how to use ImageMagick to generate image for your PDF, we may reflect it in the code after.

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  On 10/3/2024 at 8:19 AM, Richard Jedlička said:

Hi @kalimati, not exactly sure, but I guess it will be related to the colorspace the PDF is in? 🤔 I am no expert on this area and don't know if PDF can have different colorspace, but the field has an option to set the colorspace to be used for the image generating (on Details tab), so you can experiment with it. 

image.png.e83b6423ae0caa73ad1aa464457e6f27.png

 

You can also check https://github.com/uiii/ProcessWire-FieldtypePDF/blob/9f07314883cd281e09851f149b8889c1a3e8daa0/FieldtypePDF/PDFConverter.php#L149 where is the code to generate the image, and you can find a way how to use ImageMagick to generate image for your PDF, we may reflect it in the code after.

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Thanks for your reply, Richard.
I don't see the ImageMagick settings (advanced) in my installation. I am using Processwire 3.0.229 and module version 1.1.5 on Ubuntu with PHP 8.1.
 

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