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1
vote
0answers
7 views

Modifying displayed pixels [migrated]

Is it possible to easily modify individual pixels displayed on a screen according to a function? For example, suppose a pixel on the screen had values in (Red,Green,Blue) = (25,50,100) and I want to ...
0
votes
1answer
49 views

Location of colorscheme-files in Kate

In Kate one can export file Fortran.katehlcolor which store the information about color in syntax-highlighting. The syntax-highlighting files itself are located in ~/.kde/share/apps/katepart/syntax ...
3
votes
1answer
77 views

Customizing less colors

When using less in OS X, how can I customize the colors with with things are displayed? When I run less within an ansi-term in Emacs the colors don't come out nicely. $ less --version less 418 ...
1
vote
1answer
76 views

convert display to monochrome

My Asus netbook has Debian Wheezy. I came across a weird idea. How would it look if my display screen is monochrome. Is it possible to configure X11 to make the display monochrome?
1
vote
0answers
50 views

Invert *only brightness* for monitor

When using notebook in darkness it is more convenient to have the screen mostly black, compared to the default mostly white. The issue of inverting colors was discussed here frequently. One have a ...
5
votes
2answers
4k views

How to convert a color pdf to black-white?

I'd like to transform a pdf with some coloured text and images in another pdf with only black&white, in order to reduce its dimensions. Moreover, I would like to keep the text as text, without ...
7
votes
1answer
525 views

Can I color-calibrate a Dell U2413 wide-gamut monitor under Linux?

If I get a Dell U2413 wide-gamut monitor to use with Fedora for photography, will I be able to use it properly? I've got a ColorHug, and I see that there's a U2410 ccmx profile; will that get me in a ...
18
votes
5answers
6k views

vim - better colors so comments aren't dark blue?

Mostly I edit ruby files, although shell script file comments are also # Currently my comments show as dark blue on black which is really hard to read. See screenshot. How can I change their color? ...
0
votes
0answers
223 views

What is the difference between RGB and YCbCr?

In my Linux Mint ATI Catalyst setup I have set YCbCr as default for Color Pixel Format? What is the difference? I subjectively think that RGB (Full RGB) is better for my eyes. YCbCr seems to be ...
2
votes
1answer
2k views

gnome-terminal overrides Vim color setting

I'm in gnome-terminal on Linux Mint 13. (Mate) Whatever color scheme I set for the terminal overrides the color scheme i have set for Vim. How can i stop that from happening? I have read this: ...
1
vote
0answers
1k views

Changing color depth in linux mint

How can I alter color depth settings in Linux Mint 13 maya? I tried to find the xorg.conf in /etc/X11/ But I could not find the file.
1
vote
1answer
330 views

How to set default printer settings without driver

I am not at all an expert Linux user, but I do network and applications support for an office technology company. One of our clients is a pharmacy which prints prescription labels through software ...
4
votes
1answer
608 views

How can I generate CMYK images via the command line under Linux?

I have an application I have developed which is generating RGB PNG images with text on them via imageMagic, like so: convert -size 1000x1000 -density 300 xc:white -pointsize 24 \ -fill "rgb(0,0,0)" ...