Frames around images

trekk · 03-11-2017, 11:21 AM

KOreader shows a thin frame around every image in an ebook. Is there a way to avoid this?

Ken Maltby · 03-11-2017, 01:23 PM

There has been some recent changes to how images get displayed, including that you can long-press on an image and it will be displayed full screen. I can barely see what you are talking about. I guess you would need to use a different image rendering engine, to have it display without any image frame, at all.

Luck;
Ken

trekk · 03-12-2017, 07:33 AM

I attached two images, maybe this makes it clearer. As you can see, there is a frame around every graphical element. If you have a book with a lot of graphical elements, for instance at the beginning of a chapter or little elements between paragraphs, it quickly becomes an annoyance.

See the comparison between CoolReader (CR.jpg) and KOReader (KR.jpg). Neither CoolReader nor Kobo's reading software are showing these frames.

Ken Maltby · 03-12-2017, 09:36 AM

I would guess that Coolreader and the Kobo reading softwares are using different implementations of probably different image rendering .lib(s). Can you look inside the ebook file and see the extension of the image files effected?

Alan_S · 03-12-2017, 01:01 PM

It looks to me like it signals that these images are clickable. Maybe because now you can see images full screen.

Anyway, I'd ask on github to be sure.

trekk · 03-12-2017, 05:47 PM

Quote:

Originally Posted by Ken Maltby

Can you look inside the ebook file and see the extension of the image files effected?

In this book jpg and jpeg files.

trekk · 03-12-2017, 05:52 PM

Quote:

Originally Posted by Alan_S

It looks to me like it signals that these images are clickable. Maybe because now you can see images full screen.

Thanks, Alan! I just tried, the images are all clickable. I hope, there is a way to change the color of the frame to white.

03-11-2017, 11:21 AM	#1
trekk Terraner Posts: 522 Karma: 4207769 Join Date: Aug 2011 Device: Kobo Libra, Aura One, Kindle Oasis 1 & 2 ...	Frames around images KOreader shows a thin frame around every image in an ebook. Is there a way to avoid this?

03-12-2017, 07:33 AM	#3
trekk Terraner Posts: 522 Karma: 4207769 Join Date: Aug 2011 Device: Kobo Libra, Aura One, Kindle Oasis 1 & 2 ...	I attached two images, maybe this makes it clearer. As you can see, there is a frame around every graphical element. If you have a book with a lot of graphical elements, for instance at the beginning of a chapter or little elements between paragraphs, it quickly becomes an annoyance. See the comparison between CoolReader (CR.jpg) and KOReader (KR.jpg). Neither CoolReader nor Kobo's reading software are showing these frames. Attached Thumbnails

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03-11-2017, 01:23 PM	#2
Ken Maltby Wizard Posts: 4,465 Karma: 6900052 Join Date: Dec 2009 Location: The Heart of Texas Device: Boox Note2, AuraHD, PDA,	There has been some recent changes to how images get displayed, including that you can long-press on an image and it will be displayed full screen. I can barely see what you are talking about. I guess you would need to use a different image rendering engine, to have it display without any image frame, at all. Luck; Ken

03-12-2017, 09:36 AM	#4
Ken Maltby Wizard Posts: 4,465 Karma: 6900052 Join Date: Dec 2009 Location: The Heart of Texas Device: Boox Note2, AuraHD, PDA,	I would guess that Coolreader and the Kobo reading softwares are using different implementations of probably different image rendering .lib(s). Can you look inside the ebook file and see the extension of the image files effected?

03-12-2017, 01:01 PM	#5
Alan_S Evangelist Posts: 440 Karma: 1084584 Join Date: Aug 2007 Location: Sisak, Croatia Device: Kobo Aura H2O, Kobo Aura ONE	It looks to me like it signals that these images are clickable. Maybe because now you can see images full screen. Anyway, I'd ask on github to be sure.

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