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Thumbnail Preview PNG

Posted: Tue Sep 18, 2018 7:24 am
by tigaaa71
Imageine a transparent PNG containing white Text / symbols.
I can set the background-color of the thunmbnail view, the preview-window and of the detail-view.
By setting a darker color in all views I can easily see the content of the PNG. However in thumbnail-view I just can see a white square, because the background of the image-area seems to be alwas white. I attached an example.
I apprechiate any help :-)

Merci d'avance

Re: Thumbnail Preview PNG

Posted: Tue Sep 18, 2018 9:05 am
by xnview
and by enabling 'use checkerboard as background'?

Re: Thumbnail Preview PNG

Posted: Tue Sep 25, 2018 7:13 am
by tigaaa71
As this option only exists for the picture-view it has only an effect on the preview-image but not on the thumbnails, see attachement.


Settings for picture-preview:

x1.png
Settings for thumbnails and another view of the problem:

x2.png

Re: Thumbnail Preview PNG

Posted: Tue Sep 25, 2018 7:45 am
by xnview
you need to rebuild the thumbnail

Re: Thumbnail Preview PNG

Posted: Wed Sep 26, 2018 9:05 am
by tigaaa71
I did as you said but nothing changed.Maybe you could try it yourself with a transparent PNG? The preview shows the chessboard background but the icons of transparent pngs still have a plain white background so you can't see anything on transparent pictures with white content.

Re: Thumbnail Preview PNG

Posted: Wed Sep 26, 2018 9:17 am
by xnview
yes sorry, the checkboard is only used for transparent SVG, not PNG 32bits

Re: Thumbnail Preview PNG

Posted: Wed Sep 26, 2018 1:25 pm
by tigaaa71
So is this a "ok, this is no good but it is as it is" or is it a "I will have a look at it"?

Re: Thumbnail Preview PNG

Posted: Wed Sep 26, 2018 1:28 pm
by tigaaa71
BTW I can't see SVG at all in XNVIEW, so I don't understand your previous answer...

Re: Thumbnail Preview PNG

Posted: Wed Sep 26, 2018 3:13 pm
by xnview
tigaaa71 wrote: Wed Sep 26, 2018 1:25 pm So is this a "ok, this is no good but it is as it is" or is it a "I will have a look at it"?
i'll have a look at this problem

Re: Thumbnail Preview PNG

Posted: Fri Sep 28, 2018 7:29 am
by tigaaa71
Thank you :-)