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Posted to users@pdfbox.apache.org by Daves Open <op...@gmail.com> on 2023/06/09 17:11:07 UTC
Re: PDF rendering too dark
I'm sorry Tilman. Your response got caught in my spam folder and I just
saw it now. I'm using version 2.0.28.
Dave
On Thu, May 25, 2023 at 1:38 PM Tilman Hausherr <TH...@t-online.de>
wrote:
> The PDF looks familier. We're not using the same icc colorspace than
> Adobe, that is why. However it was recently changed, are you using 2.0.28 ?
>
> Tilman
>
> On 25.05.2023 19:03, Daves Open wrote:
> > I am using PDFBox to convert PDF pages to images. However, this one
> > particular PDF is rendering too dark. The PDF can be found here
> > https://www.sldttc.org/allpdf/21583473018.pdf.
> >
> > I'm seeing the same rendering when using the PDFDebugger tool. LibreDraw
> > shows the PDF as CMYK, but I'm not seeing colorspace information in
> > PDFDebugger.
> >
> > Can someone please explain why PDFBox is not rendering this PDF
> correctly?
> >
> > Thanks,
> >
> > Dave
> >
>
>
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Re: PDF rendering too dark
Posted by Tilman Hausherr <TH...@t-online.de>.
What you can do is to use the Adobe ICC profile, download it here:
https://www.adobe.com/support/downloads/iccprofiles/iccprofiles_win.html
PDDeviceCMYK.INSTANCE = new PDDeviceCMYK()
{
@Override
protected ICC_Profile getICCProfile() throws IOException
{
return ICC_Profile.getInstance("USWebCoatedSWOP.icc");
}
};
Tilman
On 09.06.2023 19:11, Daves Open wrote:
> I'm sorry Tilman. Your response got caught in my spam folder and I just
> saw it now. I'm using version 2.0.28.
>
> Dave
>
> On Thu, May 25, 2023 at 1:38 PM Tilman Hausherr <TH...@t-online.de>
> wrote:
>
>> The PDF looks familier. We're not using the same icc colorspace than
>> Adobe, that is why. However it was recently changed, are you using 2.0.28 ?
>>
>> Tilman
>>
>> On 25.05.2023 19:03, Daves Open wrote:
>>> I am using PDFBox to convert PDF pages to images. However, this one
>>> particular PDF is rendering too dark. The PDF can be found here
>>> https://www.sldttc.org/allpdf/21583473018.pdf.
>>>
>>> I'm seeing the same rendering when using the PDFDebugger tool. LibreDraw
>>> shows the PDF as CMYK, but I'm not seeing colorspace information in
>>> PDFDebugger.
>>>
>>> Can someone please explain why PDFBox is not rendering this PDF
>> correctly?
>>> Thanks,
>>>
>>> Dave
>>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@pdfbox.apache.org
>> For additional commands, e-mail: users-help@pdfbox.apache.org
>>
>>
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