diff options
Diffstat (limited to 'util/termcolours.lua')
| -rw-r--r-- | util/termcolours.lua | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/util/termcolours.lua b/util/termcolours.lua index a1c01aa5..53633b45 100644 --- a/util/termcolours.lua +++ b/util/termcolours.lua @@ -5,6 +5,8 @@ -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- +-- +-- luacheck: ignore 213/i local t_concat, t_insert = table.concat, table.insert; @@ -12,6 +14,10 @@ local char, format = string.char, string.format; local tonumber = tonumber; local ipairs = ipairs; local io_write = io.write; +local m_floor = math.floor; +local type = type; +local setmetatable = setmetatable; +local pairs = pairs; local windows; if os.getenv("WINDIR") then @@ -53,6 +59,44 @@ local function getstring(style, text) end end +local function gray(n) + return m_floor(n*3/32)+0xe8; +end +local function color(r,g,b) + if r == g and g == b then + return gray(r); + end + r = m_floor(r*3/128); + g = m_floor(g*3/128); + b = m_floor(b*3/128); + return 0x10 + ( r * 36 ) + ( g * 6 ) + ( b ); +end +local function hex2rgb(hex) + local r = tonumber(hex:sub(1,2),16); + local g = tonumber(hex:sub(3,4),16); + local b = tonumber(hex:sub(5,6),16); + return r,g,b; +end + +setmetatable(stylemap, { __index = function(_, style) + if type(style) == "string" and style:find("%x%x%x%x%x%x") == 1 then + local g = style:sub(7) == " background" and "48;5;" or "38;5;"; + return g .. color(hex2rgb(style)); + end +end } ); + +local csscolors = { + red = "ff0000"; fuchsia = "ff00ff"; green = "008000"; white = "ffffff"; + lime = "00ff00"; yellow = "ffff00"; purple = "800080"; blue = "0000ff"; + aqua = "00ffff"; olive = "808000"; black = "000000"; navy = "000080"; + teal = "008080"; silver = "c0c0c0"; maroon = "800000"; gray = "808080"; +} +for colorname, rgb in pairs(csscolors) do + stylemap[colorname] = stylemap[colorname] or stylemap[rgb]; + colorname, rgb = colorname .. " background", rgb .. " background" + stylemap[colorname] = stylemap[colorname] or stylemap[rgb]; +end + local function getstyle(...) local styles, result = { ... }, {}; for i, style in ipairs(styles) do @@ -82,7 +126,7 @@ if windows then end end if not orig_color then - function setstyle(style) end + function setstyle() end end end |