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Getting an rgb color from highlight group

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1

In putting together and addon for blender to integrate neovim.

Where I'm at with it, github colo imported to blender text editor from nvim_gtk

One component is grabbing the current colorscheme of a running vim and importing it into blender's text editor theme

So far I have some re code that looks at the return of hi and follows links if need be till I get a guifg or guibg

# vim is a pynvim.api.nvim.Nvim object
vim_color = vim.command_output(f"highlight g")

which for g = "pythonBuiltin" returns

pythonBuiltin xxx links to GruvboxOrange

and so on

GruvboxOrange xxx ctermfg=208 guifg=#fe8019

in which case I can get the rgb colour for blender from the hex. Other colour codes not so easy. And the code is getting unwieldly.

Could you point me to a more direct way, possibly a plugin, to get the rgb value of a highlight?

neovim colorscheme color neovim-python-client

share|improve this question

asked 8 hours ago

batFINGERbatFINGER

10833 bronze badges

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1

In putting together and addon for blender to integrate neovim.

Where I'm at with it, github colo imported to blender text editor from nvim_gtk

One component is grabbing the current colorscheme of a running vim and importing it into blender's text editor theme

So far I have some re code that looks at the return of hi and follows links if need be till I get a guifg or guibg

# vim is a pynvim.api.nvim.Nvim object
vim_color = vim.command_output(f"highlight g")

which for g = "pythonBuiltin" returns

pythonBuiltin xxx links to GruvboxOrange

and so on

GruvboxOrange xxx ctermfg=208 guifg=#fe8019

in which case I can get the rgb colour for blender from the hex. Other colour codes not so easy. And the code is getting unwieldly.

Could you point me to a more direct way, possibly a plugin, to get the rgb value of a highlight?

neovim colorscheme color neovim-python-client

share|improve this question

asked 8 hours ago

batFINGERbatFINGER

10833 bronze badges

New contributor

batFINGER is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

In putting together and addon for blender to integrate neovim.

Where I'm at with it, github colo imported to blender text editor from nvim_gtk

One component is grabbing the current colorscheme of a running vim and importing it into blender's text editor theme

So far I have some re code that looks at the return of hi and follows links if need be till I get a guifg or guibg

# vim is a pynvim.api.nvim.Nvim object
vim_color = vim.command_output(f"highlight g")

which for g = "pythonBuiltin" returns

pythonBuiltin xxx links to GruvboxOrange

and so on

GruvboxOrange xxx ctermfg=208 guifg=#fe8019

in which case I can get the rgb colour for blender from the hex. Other colour codes not so easy. And the code is getting unwieldly.

Could you point me to a more direct way, possibly a plugin, to get the rgb value of a highlight?

neovim colorscheme color neovim-python-client

share|improve this question

asked 8 hours ago

batFINGERbatFINGER

10833 bronze badges

New contributor

batFINGER is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

# vim is a pynvim.api.nvim.Nvim object
vim_color = vim.command_output(f"highlight g")

pythonBuiltin xxx links to GruvboxOrange

GruvboxOrange xxx ctermfg=208 guifg=#fe8019

share|improve this question

asked 8 hours ago

batFINGERbatFINGER

10833 bronze badges

New contributor

batFINGER is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 8 hours ago

batFINGERbatFINGER

10833 bronze badges

New contributor

batFINGER is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 8 hours ago

batFINGERbatFINGER

10833 bronze badges

New contributor

batFINGER is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 8 hours ago

batFINGERbatFINGER

10833 bronze badges

2 Answers
2

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oldest

votes

1

Consider using the synIDattr() function, which can take special attributes such as fg# and bg# to return RGB for attributes, when a GUI is running.

"fg#" like "fg", but for the GUI and the GUI
 is running the name in "#RRGGBB" form
"bg#" like "fg#" for "bg"
"sp#" like "fg#" for "sp"

The first argument to this function is a numeric synID, if you have a file styled with syntax elements you can look up the id from a specific position in the file.

If you want to find all syntax groups, then perhaps you could iterate them starting from 1 and looking up the name with synIDattr(..., 'name') to build a full map from name to RGB attributes.

share|improve this answer

answered 2 hours ago

filbrandenfilbranden

1,53722 silver badges1414 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  You bloody beauty. I had begun recreating the wheel. So easy to find when you know where to look,... the answers pop strait from the docs :echo synIDattr(synIDtrans(synID(line("."), col("."), 1)), "fg#") Thankyou that works like a treat!!!
  
  – batFINGER
  1 hour ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'm glad this helped! I happened to be in fact looking at something similar earlier this week (debugging syntax, so looking at how to see highlight group for a position) so I stared at these docs for a while. Good luck with your blender integration!
  
  – filbranden
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Cheers, This nvim_inspect_cell at first glance looked good.. Very new to vimscript, if you are a dab hand, could you please add the bare bones vimscript to buffer a syntax_test.py file, (and with a given dictionary of group.name : row, col) which outputs to a name : color value dictionary? What I think will take me 5mins.....
  
  – batFINGER
  36 mins ago
  

  
  
  
  

add a comment | 

1

I don't know about any plugins for this but it should be easy to code up lookup tables for the other codes.

The decimal numbers, like 208 in your example, are 256-color palette codes. It's easy to find translations to/from hex code. Like the top of the google search for 256 color to hex.

The spelled-out colors (e.g. DarkSeaGreen4) are system dependent. You didn't mention what system you're using, I don't think. But for *nix that same translation page includes spelled colors, too.. For windows start with :h win32-colors and go from there.

share|improve this answer

edited 3 hours ago

answered 3 hours ago

B LayerB Layer

6,88711 gold badge66 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  On Ubuntu. Thanks. I was afraid it would come down to LUTs. ... so I'm going to be slow about accepting that fate lol. Find using matplotlib.colors methods covers most named colors eg these but will need to delve into what, for example LUT 4 represents . Was hoping there may be some sneaky way to get a rgb from a "live" hightlight.
  
  – batFINGER
  2 hours ago
  
  

  
  
  
  

add a comment | 

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1

Consider using the synIDattr() function, which can take special attributes such as fg# and bg# to return RGB for attributes, when a GUI is running.

"fg#" like "fg", but for the GUI and the GUI
 is running the name in "#RRGGBB" form
"bg#" like "fg#" for "bg"
"sp#" like "fg#" for "sp"

The first argument to this function is a numeric synID, if you have a file styled with syntax elements you can look up the id from a specific position in the file.

If you want to find all syntax groups, then perhaps you could iterate them starting from 1 and looking up the name with synIDattr(..., 'name') to build a full map from name to RGB attributes.

share|improve this answer

answered 2 hours ago

filbrandenfilbranden

1,53722 silver badges1414 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  You bloody beauty. I had begun recreating the wheel. So easy to find when you know where to look,... the answers pop strait from the docs :echo synIDattr(synIDtrans(synID(line("."), col("."), 1)), "fg#") Thankyou that works like a treat!!!
  
  – batFINGER
  1 hour ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'm glad this helped! I happened to be in fact looking at something similar earlier this week (debugging syntax, so looking at how to see highlight group for a position) so I stared at these docs for a while. Good luck with your blender integration!
  
  – filbranden
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Cheers, This nvim_inspect_cell at first glance looked good.. Very new to vimscript, if you are a dab hand, could you please add the bare bones vimscript to buffer a syntax_test.py file, (and with a given dictionary of group.name : row, col) which outputs to a name : color value dictionary? What I think will take me 5mins.....
  
  – batFINGER
  36 mins ago
  

  
  
  
  

add a comment | 

1

Consider using the synIDattr() function, which can take special attributes such as fg# and bg# to return RGB for attributes, when a GUI is running.

"fg#" like "fg", but for the GUI and the GUI
 is running the name in "#RRGGBB" form
"bg#" like "fg#" for "bg"
"sp#" like "fg#" for "sp"

The first argument to this function is a numeric synID, if you have a file styled with syntax elements you can look up the id from a specific position in the file.

If you want to find all syntax groups, then perhaps you could iterate them starting from 1 and looking up the name with synIDattr(..., 'name') to build a full map from name to RGB attributes.

share|improve this answer

answered 2 hours ago

filbrandenfilbranden

1,53722 silver badges1414 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  You bloody beauty. I had begun recreating the wheel. So easy to find when you know where to look,... the answers pop strait from the docs :echo synIDattr(synIDtrans(synID(line("."), col("."), 1)), "fg#") Thankyou that works like a treat!!!
  
  – batFINGER
  1 hour ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'm glad this helped! I happened to be in fact looking at something similar earlier this week (debugging syntax, so looking at how to see highlight group for a position) so I stared at these docs for a while. Good luck with your blender integration!
  
  – filbranden
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Cheers, This nvim_inspect_cell at first glance looked good.. Very new to vimscript, if you are a dab hand, could you please add the bare bones vimscript to buffer a syntax_test.py file, (and with a given dictionary of group.name : row, col) which outputs to a name : color value dictionary? What I think will take me 5mins.....
  
  – batFINGER
  36 mins ago
  

  
  
  
  

add a comment | 

Consider using the synIDattr() function, which can take special attributes such as fg# and bg# to return RGB for attributes, when a GUI is running.

"fg#" like "fg", but for the GUI and the GUI
 is running the name in "#RRGGBB" form
"bg#" like "fg#" for "bg"
"sp#" like "fg#" for "sp"

The first argument to this function is a numeric synID, if you have a file styled with syntax elements you can look up the id from a specific position in the file.

If you want to find all syntax groups, then perhaps you could iterate them starting from 1 and looking up the name with synIDattr(..., 'name') to build a full map from name to RGB attributes.

share|improve this answer

answered 2 hours ago

filbrandenfilbranden

1,53722 silver badges1414 bronze badges

"fg#" like "fg", but for the GUI and the GUI
 is running the name in "#RRGGBB" form
"bg#" like "fg#" for "bg"
"sp#" like "fg#" for "sp"

share|improve this answer

answered 2 hours ago

filbrandenfilbranden

1,53722 silver badges1414 bronze badges

answered 2 hours ago

filbrandenfilbranden

1,53722 silver badges1414 bronze badges

answered 2 hours ago

filbrandenfilbranden

1,53722 silver badges1414 bronze badges

1

I don't know about any plugins for this but it should be easy to code up lookup tables for the other codes.

The decimal numbers, like 208 in your example, are 256-color palette codes. It's easy to find translations to/from hex code. Like the top of the google search for 256 color to hex.

The spelled-out colors (e.g. DarkSeaGreen4) are system dependent. You didn't mention what system you're using, I don't think. But for *nix that same translation page includes spelled colors, too.. For windows start with :h win32-colors and go from there.

share|improve this answer

edited 3 hours ago

answered 3 hours ago

B LayerB Layer

6,88711 gold badge66 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  On Ubuntu. Thanks. I was afraid it would come down to LUTs. ... so I'm going to be slow about accepting that fate lol. Find using matplotlib.colors methods covers most named colors eg these but will need to delve into what, for example LUT 4 represents . Was hoping there may be some sneaky way to get a rgb from a "live" hightlight.
  
  – batFINGER
  2 hours ago
  
  

  
  
  
  

add a comment | 

1

I don't know about any plugins for this but it should be easy to code up lookup tables for the other codes.

The decimal numbers, like 208 in your example, are 256-color palette codes. It's easy to find translations to/from hex code. Like the top of the google search for 256 color to hex.

The spelled-out colors (e.g. DarkSeaGreen4) are system dependent. You didn't mention what system you're using, I don't think. But for *nix that same translation page includes spelled colors, too.. For windows start with :h win32-colors and go from there.

share|improve this answer

edited 3 hours ago

answered 3 hours ago

B LayerB Layer

6,88711 gold badge66 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  On Ubuntu. Thanks. I was afraid it would come down to LUTs. ... so I'm going to be slow about accepting that fate lol. Find using matplotlib.colors methods covers most named colors eg these but will need to delve into what, for example LUT 4 represents . Was hoping there may be some sneaky way to get a rgb from a "live" hightlight.
  
  – batFINGER
  2 hours ago
  
  

  
  
  
  

add a comment | 

I don't know about any plugins for this but it should be easy to code up lookup tables for the other codes.

The decimal numbers, like 208 in your example, are 256-color palette codes. It's easy to find translations to/from hex code. Like the top of the google search for 256 color to hex.

The spelled-out colors (e.g. DarkSeaGreen4) are system dependent. You didn't mention what system you're using, I don't think. But for *nix that same translation page includes spelled colors, too.. For windows start with :h win32-colors and go from there.

share|improve this answer

edited 3 hours ago

answered 3 hours ago

B LayerB Layer

6,88711 gold badge66 silver badges2424 bronze badges

share|improve this answer

edited 3 hours ago

answered 3 hours ago

B LayerB Layer

6,88711 gold badge66 silver badges2424 bronze badges

answered 3 hours ago

B LayerB Layer

6,88711 gold badge66 silver badges2424 bronze badges

answered 3 hours ago

B LayerB Layer

6,88711 gold badge66 silver badges2424 bronze badges