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signs_lib
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Add & test force_unicode_font

This commit is contained in:
syimyuzya 2021-12-06 11:44:18 +08:00
parent 850bfa74a7
commit 36e58a6622
1 changed files with 35 additions and 4 deletions
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39
api.lua
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@ -496,7 +496,7 @@ local function char_tex_wide(font_name, ch)
end
end
local function make_line_texture(line, lineno, pos, line_width, line_height, cwidth_tab, font_size, colorbgw, cwidth_tab_wide)
local function make_line_texture(line, lineno, pos, line_width, line_height, cwidth_tab, font_size, colorbgw, cwidth_tab_wide, force_unicode_font)
local width = 0
local maxw = 0
local font_name = "signs_lib_font_"..font_size.."px"
@ -536,6 +536,31 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
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)
local wide_skip = 0
if force_unicode_font then
if wide_c then
wide_skip = #wide_c + 3
wide_type = "u"
elseif c:byte() < 0x80 or c:byte() >= 0xa0 then
wide_type = "u"
local uchar = AnsiToUtf8(c)
local code
if #uchar == 1 then
code = uchar:byte()
else
code = uchar:byte() % (2 ^ (7 - #uchar))
local j
for j = 1, #uchar do
code = code * (2 ^ 6) + uchar:byte(j) - 0x80
end
end
wide_c = string.format("%04x", code)
end
elseif wide_c then
wide_skip = #wide_c + 3
end
if c == "#" and c2 ~= "#" then
local cc = tonumber(c2, 16)
if cc then
@ -543,9 +568,11 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
cur_color = cc
end
elseif wide_c then
local w = font_size
local w
if wide_type == "x" then
w = cwidth_tab_wide[wide_c]
elseif wide_type == "u" and #wide_c <= 4 then
w = font_size
end
if w then
width = width + w + 1
@ -564,6 +591,9 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
local y = math.floor(code / 256)
tex = string.format(
"signs_lib_unifont.png\\^[sheet\\:256x256\\:%d,%d", x, y)
if font_size == 32 then
tex = tex .. "\\^[resize\\:32x32"
end
end
table.insert(chars, {
off = ch_offs,
@ -573,7 +603,7 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
end
ch_offs = ch_offs + w
end
i = i + #wide_c + 3
i = i + wide_skip
else
local w = cwidth_tab[c]
if w then
@ -682,7 +712,8 @@ function signs_lib.make_sign_texture(lines, pos)
local lineno = 0
for i = 1, #lines do
if lineno >= def.number_of_lines then break end
local linetex, ln = make_line_texture(lines[i], lineno, pos, line_width, line_height, char_width, font_size, colorbgw, char_width_wide)
-- TODO force_unicode_font on during dev
local linetex, ln = make_line_texture(lines[i], lineno, pos, line_width, line_height, char_width, font_size, colorbgw, char_width_wide, true)
table.insert(texture, linetex)
lineno = ln + 1
end