Re: wx_4.0.0a1 : demo->PDFViewer

I then think the problem is the following change ( 
https://mupdf.com/news.html ) : 

MuPDF 1.10-rc1 (2016-11-09)  : Alpha channel is now optional in pixmaps. 

Am Dienstag, 25. April 2017 14:05:30 UTC+2 schrieb David Hughes:
>
>
> The version of wx/lib/pdfviewer/viewer.py in wxPython-4.0.0a1 was tested 
> using PyMuPDF 1.92 and Python 3.4 on both Windows 10 and OS X in July 2016. 
> The Windows machine has since been rebuilt with the March 2017 release of 
> Windows 10 and has Python 3.6. I have just installed the pre-built Windows 
> version of PyMuPDF 1.10.0.0 there from 
> https://github.com/JorjMcKie/PyMuPDF-optional-material which has the 
> associated comment "Defaulting alpha=True b/o backward compatibility" and 
> the pdf viewer works fine with it. On the line you refer to, in the call to 
> wx.Bitmap.FromBufferRGBA(pix.width, pix.height, pix.samples) the len of 
> pix.samples is width * height * 4.
>
> Maybe your version of PyMuPDF is not compatible with the MuPDF you have 
> built. The dialogue going on at https://github.com/rk700/PyMuPDF/issues/90 
> might be relevant.
>
> Regards
> David Hughes
>
>
>

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