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-- mod-version:2 -- lite-xl 2.0
local common = require "core.common"
local DocView = require "core.docview"
local white = { common.color "#ffffff" }
local black = { common.color "#000000" }
local tmp = {}
local function draw_color_previews(self, idx, x, y, ptn, base, nibbles)
local text = self.doc.lines[idx]
local s, e = 0, 0
while true do
s, e = text:find(ptn, e + 1)
if not s then break end
local str = text:sub(s, e)
local r, g, b, a = str:match(ptn)
r, g, b = tonumber(r, base), tonumber(g, base), tonumber(b, base)
a = tonumber(a or "", base)
if a ~= nil then
if base ~= 16 then
a = a * 0xff
end
else
a = 0xff
end
-- #123 becomes #112233
if nibbles then
r = r * 16
g = g * 16
b = b * 16
end
local x1 = x + self:get_col_x_offset(idx, s)
local x2 = x + self:get_col_x_offset(idx, e + 1)
local oy = self:get_line_text_y_offset()
local text_color = math.max(r, g, b) < 128 and white or black
tmp[1], tmp[2], tmp[3], tmp[4] = r, g, b, a
local l1, _, l2, _ = self.doc:get_selection(true)
if not (self.doc:has_selection() and idx >= l1 and idx <= l2) then
renderer.draw_rect(x1, y, x2 - x1, self:get_line_height(), tmp)
renderer.draw_text(self:get_font(), str, x1, y + oy, text_color)
end
end
end
local draw_line_text = DocView.draw_line_text
function DocView:draw_line_text(idx, x, y)
draw_line_text(self, idx, x, y)
draw_color_previews(self, idx, x, y, "#(%x%x)(%x%x)(%x%x)(%x?%x?)%f[%W]", 16)
draw_color_previews(self, idx, x, y, "#(%x)(%x)(%x)%f[%W]", 16, true) -- support #fff css format
draw_color_previews(self, idx, x, y, "rgba?%((%d+)%D+(%d+)%D+(%d+)[%s,]-([%.%d]-)%s-%)", nil)
end
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