mtcontrib/signs_lib
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Render &#u...; chars using Unifont

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This commit is contained in:
syimyuzya 2021-12-05 20:47:50 +08:00
parent 2ba26cc9cc
commit 850bfa74a7
1 changed files with 16 additions and 23 deletions
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39
api.lua
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@ -533,27 +533,7 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
local word_l = #word
local i = 1
while i <= word_l do
local wide_c
if "&#x" == word:sub(i, i + 2) then
local j = i + 3
local collected = ""
while j <= word_l do
local c = word:sub(j, j)
if c == ";" then
wide_c = collected
break
elseif c < "0" then
break
elseif "f" < c then
break
elseif ("9" < c) and (c < "a") then
break
else
collected = collected .. c
j = j + 1
end
end
end
local wide_type, wide_c = string.match(word:sub(i), "^&#([xu])(%x+);")
local c = word:sub(i, i)
local c2 = word:sub(i+1, i+1)
if c == "#" and c2 ~= "#" then
@ -563,7 +543,10 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
cur_color = cc
end
elseif wide_c then
local w = cwidth_tab_wide[wide_c]
local w = font_size
if wide_type == "x" then
w = cwidth_tab_wide[wide_c]
end
if w then
width = width + w + 1
if width >= (line_width - cwidth_tab[" "]) then
@ -572,9 +555,19 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
maxw = math_max(width, maxw)
end
if #chars < MAX_INPUT_CHARS then
local tex
if wide_type == "x" then
tex = char_tex_wide(font_name, wide_c)
else
local code = tonumber(wide_c, 16)
local x = code % 256
local y = math.floor(code / 256)
tex = string.format(
"signs_lib_unifont.png\\^[sheet\\:256x256\\:%d,%d", x, y)
end
table.insert(chars, {
off = ch_offs,
tex = char_tex_wide(font_name, wide_c),
tex = tex,
col = ("%X"):format(cur_color),
})
end