diff options
| -rw-r--r-- | util/termcolours.lua | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/util/termcolours.lua b/util/termcolours.lua index 279ff601..5d06fd35 100644 --- a/util/termcolours.lua +++ b/util/termcolours.lua @@ -14,6 +14,7 @@ local char, format = string.char, string.format; local tonumber = tonumber; local ipairs = ipairs; local io_write = io.write; +local m_floor = math.floor; local windows; if os.getenv("WINDIR") then @@ -55,6 +56,30 @@ 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) + local g = style:sub(7) == " background" and "48;5;" or "38;5;"; + return g .. color(hex2rgb(style)); +end } ); + local function getstyle(...) local styles, result = { ... }, {}; for i, style in ipairs(styles) do |