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chore: update util function

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This commit is contained in:
mvllow 2022-01-29 16:12:03 -06:00
commit 9fabaff219
1 changed files with 3 additions and 3 deletions
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lua/rose-pine/util.lua
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@ -16,17 +16,17 @@ end
---@param fg string foreground color ---@param fg string foreground color
---@param bg string background color ---@param bg string background color
---@param alpha number number between 0 and 1. 0 results in bg, 1 results in fg ---@param alpha number number between 0 (background) and 1 (foreground)
function util.blend(fg, bg, alpha) function util.blend(fg, bg, alpha)
bg = get_color(bg) bg = get_color(bg)
fg = get_color(fg) fg = get_color(fg)
local blendChannel = function(i) local function blend_channel(i)
local ret = (alpha * fg[i] + ((1 - alpha) * bg[i])) local ret = (alpha * fg[i] + ((1 - alpha) * bg[i]))
return math.floor(math.min(math.max(0, ret), 255) + 0.5) return math.floor(math.min(math.max(0, ret), 255) + 0.5)
end end
return string.format('#%02X%02X%02X', blendChannel(1), blendChannel(2), blendChannel(3)) return string.format('#%02X%02X%02X', blend_channel(1), blend_channel(2), blend_channel(3))
end end
return util return util