360 PB360 logos look awful?

deferredreward · 01-11-2011, 07:39 AM

Why do logos look so terrible? I convert my images just like the forums here instruct, & if I put them in the Photo folder, they look fine, but when they are set to the power off or the boot screen, they look terrible - all washed out in grey (also the ones that should be landscape mode are oriented wrong).

fjtorres · 01-11-2011, 08:02 AM

The photo-viewer software dithers to get better grayscales, the logo display code doesn't.

deferredreward · 01-11-2011, 08:13 AM

Thank you. So I guess my best option will be to put a "return me" screen for off, & last page for on. :\

fjtorres · 01-11-2011, 10:38 AM

Not necessarily.
Not sure exactly what your issue is but others have reported satisfaction with the presentation of personal logos.
I only use the shut down logo myself, as I prefer to set startup to lastpage, but I've had no real issues with the images I tried. And all I did was use MSPaint to convert the jpg to a 4 bit bmp.
It might be more a matter of the material...?
Are you trying to use photos?

deferredreward · 01-11-2011, 01:13 PM

Sort of, using old (started with B&W mostly) images paintings of historical figures like George Washington etc.

wongdong · 01-12-2011, 02:32 AM

There is a better way. If you use a freeware picture viewer like irfanview or xnView, they can convert any image to a 4 color-grayscale using rastering. And these logos look pretty good on the PB360 (i used to have one).

kacir · 01-12-2011, 06:38 AM

Quote:

Originally Posted by wongdong

There is a better way. If you use a freeware picture viewer like irfanview or xnView,

Well, imagemagick is pretty powerful tool.
Have a look at my post here
https://www.mobileread.com/forums/sho...3&postcount=12
It can do very nice dithering
convert escher01.png -quantize GRAY +dither -colors 16 -rotate "-90>" escher01.bmp

If you want exactly four colors, you can use
convert escher01.png -quantize GRAY +dither -colors 4 -rotate "-90>" escher01.bmp
The above command works with 800x600 or 600x800 pixel bitmap, for explanation go to my post mentioned above. It is better to resize/crop each image manually using good interactive program, like Gimp, so you can see exactly where you are cutting or adding to picture.

01-11-2011, 07:39 AM	#1
deferredreward Enthusiast Posts: 28 Karma: 10 Join Date: Aug 2010 Location: Dallas Device: KPW, former: PocketBook 360	PB360 logos look awful? Why do logos look so terrible? I convert my images just like the forums here instruct, & if I put them in the Photo folder, they look fine, but when they are set to the power off or the boot screen, they look terrible - all washed out in grey (also the ones that should be landscape mode are oriented wrong).

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01-11-2011, 08:02 AM	#2
fjtorres Grand Sorcerer Posts: 11,732 Karma: 128354696 Join Date: May 2009 Location: 26 kly from Sgr A* Device: T100TA,PW2,PRS-T1,KT,FireHD 8.9,K2, PB360,BeBook One,Axim51v,TC1000	The photo-viewer software dithers to get better grayscales, the logo display code doesn't.

01-11-2011, 08:13 AM	#3
deferredreward Enthusiast Posts: 28 Karma: 10 Join Date: Aug 2010 Location: Dallas Device: KPW, former: PocketBook 360	Thank you. So I guess my best option will be to put a "return me" screen for off, & last page for on. :\

01-11-2011, 10:38 AM	#4
fjtorres Grand Sorcerer Posts: 11,732 Karma: 128354696 Join Date: May 2009 Location: 26 kly from Sgr A* Device: T100TA,PW2,PRS-T1,KT,FireHD 8.9,K2, PB360,BeBook One,Axim51v,TC1000	Not necessarily. Not sure exactly what your issue is but others have reported satisfaction with the presentation of personal logos. I only use the shut down logo myself, as I prefer to set startup to lastpage, but I've had no real issues with the images I tried. And all I did was use MSPaint to convert the jpg to a 4 bit bmp. It might be more a matter of the material...? Are you trying to use photos?

01-11-2011, 01:13 PM	#5
deferredreward Enthusiast Posts: 28 Karma: 10 Join Date: Aug 2010 Location: Dallas Device: KPW, former: PocketBook 360	Sort of, using old (started with B&W mostly) images paintings of historical figures like George Washington etc.

01-12-2011, 02:32 AM	#6
wongdong Connoisseur Posts: 87 Karma: 90 Join Date: Jun 2010 Location: Austria Device: Pocketbook 360, Pocketbook 903	There is a better way. If you use a freeware picture viewer like irfanview or xnView, they can convert any image to a 4 color-grayscale using rastering. And these logos look pretty good on the PB360 (i used to have one).

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