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#31 |
Evangelist
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Karma: 356531
Join Date: Jul 2016
Location: 'burta, Canada
Device: Kobo Glo HD
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Yeah, they're screenshots and because I use kepubify rather than Calibre these days, I don't have the option to send greyscale covers.
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#32 | |
Zealot
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Karma: 67444
Join Date: Dec 2018
Device: Kobo Clara HD
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Quote:
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#33 |
Resident Curmudgeon
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Karma: 134254544
Join Date: Nov 2006
Location: Roslindale, Massachusetts
Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3
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Other then the missing demo slides, is there any reason to install 4.33.19611 vs the previous 4.33 firmware?
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#34 | |
the rook, bossing Never.
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Karma: 89531599
Join Date: Jun 2017
Location: Ireland
Device: All 4 Kinds: epub eink, Kindle, android eink, NxtPaper11
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Quote:
The 4.33.19611 seems to work OK on the Sage. The 4.33.19608 is fine on the Elipsa and in fact it has no 4.33.19611 version. I've not checked out my granddaughter's Nia which is on 4.32.x and never got the 4.33.19608 version It's curious which four models so far got 4.33.19611: Libra2, Sage, Clara HD and Nia. Yet not the original Libra, nor Forma nor Elipsa. See https://pgaskin.net/KoboStuff/kobofirmware.html |
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#35 |
Grand Sorcerer
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Karma: 227000000
Join Date: Jan 2014
Location: Estonia
Device: Kobo Sage & Libra 2
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Eh. I'm still on 4.32. Just haven't felt like upgrading and no burning need to do so either.
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#36 | |
Bookish
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Karma: 1803094
Join Date: Jun 2011
Device: PC, t1, t2, t3, aura 2 v1, clara HD, Libra 2, Libra Color, Nxtpaper 11
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Quote:
Code:
menu_item : main : Screenshot : nickel_setting : toggle : screenshots |
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#37 |
BLAM!
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Karma: 26047188
Join Date: Jun 2010
Location: Paris, France
Device: Kindle 2i, 3g, 4, 5w, PW, PW2, PW5; Kobo H2O, Forma, Elipsa, Sage, C2E
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Both the fb and its QImage (or whatever Qt thingy the QPA uses, cba to check) backing store are @ 32bpp (e.g., RGBA).
So whether you screenshot via Nickel (Qt) or fbgrab (fb), you'll get color (unless you use a sane setup with proper cover thumbnail dithering ;p). This is not true for KOReader, where we swap to grayscale (so does Plato, on *almost* every device. IIRC, the exception is the Clara, because kernel issues). |
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#38 | |
Evangelist
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Karma: 356531
Join Date: Jul 2016
Location: 'burta, Canada
Device: Kobo Glo HD
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Quote:
Basically, the Kobo outputs graphics in color, but of course the eink display is greyscale. It's the same as taking a color cable TV signal and putting it on a black-and-white TV. The TV can read the color signal, but it'll still look black-and-white. |
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#39 | |
Evangelist
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Karma: 356531
Join Date: Jul 2016
Location: 'burta, Canada
Device: Kobo Glo HD
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Quote:
Last edited by rtiangha; 06-11-2022 at 01:34 PM. |
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#40 | |
Zealot
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Karma: 67444
Join Date: Dec 2018
Device: Kobo Clara HD
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Quote:
![]() The first run did take a few minutes, but all successive runs were near instantaneous for 3300+ books. Also, it only works on JPEG covers as far as my experiences go. @geek1011, any idea if it works for PNG covers? |
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#41 | |
Bibliophagist
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Karma: 153006036
Join Date: Jul 2010
Location: Vancouver
Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos
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Quote:
If the slideshow folder has been deleted, to regenerate the slideshow folder will require a factory reset. If you have the slideshow folder in a backup, you can copy it to the Kobo ereader but since exiting demo mode is equivalent to a sign out, not something many would want to do everyday. |
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#42 | |
Resident Curmudgeon
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 75,652
Karma: 134254544
Join Date: Nov 2006
Location: Roslindale, Massachusetts
Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3
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Quote:
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#43 | |
the rook, bossing Never.
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 12,233
Karma: 89531599
Join Date: Jun 2017
Location: Ireland
Device: All 4 Kinds: epub eink, Kindle, android eink, NxtPaper11
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Quote:
So back to 4.32.x on the Sages tomorrow. It's intermittent and only affects writing in or exports of Advanced Notebooks. Everything else is fine! |
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#44 |
the rook, bossing Never.
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 12,233
Karma: 89531599
Join Date: Jun 2017
Location: Ireland
Device: All 4 Kinds: epub eink, Kindle, android eink, NxtPaper11
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#45 |
Bookish
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Karma: 1803094
Join Date: Jun 2011
Device: PC, t1, t2, t3, aura 2 v1, clara HD, Libra 2, Libra Color, Nxtpaper 11
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Well, does not work for me on Libra 2, even with explicitly sending the cover pages in color via the following KoboTouch driver configuration:
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Tags |
firmware, firmware release |
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