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Make colorspec.from_string case-insensitive

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This commit is contained in:
Lars Mueller 2023-05-28 10:59:51 +02:00
parent 520ecc641b
commit 50bd3d8a07
1 changed files with 3 additions and 3 deletions
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6
minetest/colorspec.lua
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@ -199,10 +199,10 @@ function colorspec.from_hsv(
end end
function colorspec.from_string(string) function colorspec.from_string(string)
local hex = "#([A-Fa-f%d]+)" string = string:lower() -- names and hex are case-insensitive
local number, alpha = named_colors[string], 0xFF local number, alpha = named_colors[string], 0xFF
if not number then if not number then
local name, alpha_text = string:match("^([a-z]+)" .. hex .. "$") local name, alpha_text = string:match("^([a-z]+)#(%x+)$")
if name then if name then
if alpha_text:len() > 2 then if alpha_text:len() > 2 then
return return
@ -220,7 +220,7 @@ function colorspec.from_string(string)
if number then if number then
return colorspec.from_number_rgba(number * 0x100 + alpha) return colorspec.from_number_rgba(number * 0x100 + alpha)
end end
local hex_text = string:match("^" .. hex .. "$") local hex_text = string:match("^#(%x+)$")
if not hex_text then if not hex_text then
return return
end end