81 lines
2.4 KiB
Lua
81 lines
2.4 KiB
Lua
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local util = {}
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local function luma(hex_str, lum)
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-- Hex to RGB
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-- normalise
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local hex = "[abcdef0-9][abcdef0-9]"
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local pat = "^#(" .. hex .. ")(" .. hex .. ")(" .. hex .. ")$"
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hex_str = string.lower(hex_str)
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assert(string.find(hex_str, pat) ~= nil, "hex_to_rgb: invalid hex_str: " .. tostring(hex_str))
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local r, g, b = string.match(hex_str, pat)
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lum = lum or 0;
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local lumac = function(c)
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c = tonumber(c, 16)
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return math.floor(math.min(math.max(0, c + (c * lum / 100)), 255) + .5)
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end
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return string.format("#%02X%02X%02X", lumac(r), lumac(g), lumac(b))
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end
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function util.darken(hex, amount) return luma(hex, -math.abs(amount)) end
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function util.lighten(hex, amount) return luma(hex, math.abs(amount)) end
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function util.highlight(group, color)
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local style = color.style and "gui=" .. color.style or "gui=NONE"
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local fg = color.fg and "guifg=" .. color.fg or "guifg=NONE"
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local bg = color.bg and "guibg=" .. color.bg or "guibg=NONE"
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local sp = color.sp and "guisp=" .. color.sp or ""
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vim.cmd("highlight " .. group .. " " .. style .. " " .. fg .. " " .. bg .. " " .. sp)
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end
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function util.syntax(syntax) for group, colors in pairs(syntax) do util.highlight(group, colors) end end
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---@param colors ColorScheme
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function util.terminal(colors)
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vim.g.terminal_color_0 = colors.bg
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vim.g.terminal_color_1 = colors.red
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vim.g.terminal_color_2 = colors.green
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vim.g.terminal_color_3 = colors.orange
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vim.g.terminal_color_4 = colors.blue
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vim.g.terminal_color_5 = colors.magenta
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vim.g.terminal_color_6 = colors.cyan
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vim.g.terminal_color_7 = colors.dark5
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vim.g.terminal_color_8 = colors.dark2
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vim.g.terminal_color_9 = colors.red
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vim.g.terminal_color_10 = colors.green
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vim.g.terminal_color_11 = colors.orange
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vim.g.terminal_color_12 = colors.blue
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vim.g.terminal_color_13 = colors.magenta
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vim.g.terminal_color_14 = colors.cyan
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vim.g.terminal_color_15 = colors.fg
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end
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---@param theme Theme
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function util.load(theme)
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vim.cmd("hi clear")
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if vim.fn.exists("syntax_on") then vim.cmd("syntax reset") end
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vim.o.background = "dark"
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vim.o.termguicolors = true
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vim.g.colors_name = "tokyonight"
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-- load base theme
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util.syntax(theme.base)
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-- load syntax for plugins and terminal async
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local async
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async = vim.loop.new_async(vim.schedule_wrap(function()
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util.terminal(theme.colors)
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util.syntax(theme.plugins)
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async:close()
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end))
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async:send()
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end
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return util
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