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refactor(util): move blend to util

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Folke Lemaitre 2024-12-03 10:19:04 +01:00
parent 446f50208f
commit 089ff668d2
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GPG key ID: 41F8B1FBACAE2040
2 changed files with 16 additions and 16 deletions
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19
lua/snacks/profiler/ui.lua
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@ -220,19 +220,6 @@ function M.highlight(buf, opts)
end
end
---@param fg string foreground color
---@param bg string background color
---@param alpha number number between 0 and 1. 0 results in bg, 1 results in fg
function M.blend(fg, bg, alpha)
local bg_rgb = { tonumber(bg:sub(2, 3), 16), tonumber(bg:sub(4, 5), 16), tonumber(bg:sub(6, 7), 16) }
local fg_rgb = { tonumber(fg:sub(2, 3), 16), tonumber(fg:sub(4, 5), 16), tonumber(fg:sub(6, 7), 16) }
local blend = function(i)
local ret = (alpha * fg_rgb[i] + ((1 - alpha) * bg_rgb[i]))
return math.floor(math.min(math.max(0, ret), 255) + 0.5)
end
return string.format("#%02x%02x%02x", blend(1), blend(2), blend(3))
end
function M.colors()
---@type snacks.util.hl
local hl_groups = {
@ -246,11 +233,11 @@ function M.colors()
local red = Snacks.util.color("DiagnosticError") or fallbacks.Error
for _, s in ipairs({ "Info", "Warn", "Error" }) do
local color = Snacks.util.color("Diagnostic" .. s) or fallbacks[s]
hl_groups["Icon" .. s] = { fg = color, bg = M.blend(color, bg, 0.3) }
hl_groups["Badge" .. s] = { fg = color, bg = M.blend(color, bg, 0.1) }
hl_groups["Icon" .. s] = { fg = color, bg = Snacks.util.blend(color, bg, 0.3) }
hl_groups["Badge" .. s] = { fg = color, bg = Snacks.util.blend(color, bg, 0.1) }
end
for i = 1, M.shades do
hl_groups[("Hot%02d"):format(i)] = { bg = M.blend(red, bg, i / (M.shades + 1)) }
hl_groups[("Hot%02d"):format(i)] = { bg = Snacks.util.blend(red, bg, i / (M.shades + 1)) }
end
Snacks.util.set_hl(hl_groups, { prefix = "SnacksProfiler", managed = false })
vim.api.nvim_create_autocmd("ColorScheme", {

13
lua/snacks/util.lua
View file

@ -97,4 +97,17 @@ function M.file_decode(str)
end)
end
---@param fg string foreground color
---@param bg string background color
---@param alpha number number between 0 and 1. 0 results in bg, 1 results in fg
function M.blend(fg, bg, alpha)
local bg_rgb = { tonumber(bg:sub(2, 3), 16), tonumber(bg:sub(4, 5), 16), tonumber(bg:sub(6, 7), 16) }
local fg_rgb = { tonumber(fg:sub(2, 3), 16), tonumber(fg:sub(4, 5), 16), tonumber(fg:sub(6, 7), 16) }
local blend = function(i)
local ret = (alpha * fg_rgb[i] + ((1 - alpha) * bg_rgb[i]))
return math.floor(math.min(math.max(0, ret), 255) + 0.5)
end
return string.format("#%02x%02x%02x", blend(1), blend(2), blend(3))
end
return M