6915746301

Committed 18 Nov 2023 07:02PM UTC coverage: 56.433% (-12.3%) from 68.751%

Build # 6915746301

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push

github

Committed by

web-flow

Commit Message

Merge 8b3fdc301 into f64e235fa

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80.77

/core/font.lua

local icu = require("justenoughicu")

local lastshaper

SILE.registerCommand("font", function (options, content)
  if SU.hasContent(content) then SILE.settings:pushState() end
  if options.filename then SILE.settings:set("font.filename", options.filename) end
  if options.family then
    SILE.settings:set("font.family", options.family)
    SILE.settings:set("font.filename", "")
  end
  if options.size then
    local size = SU.cast("measurement", options.size)
    if not size then SU.error("Couldn't parse font size "..options.size) end
    SILE.settings:set("font.size", size:absolute())
  end
  if options.weight then SILE.settings:set("font.weight", 0+options.weight) end
  if options.style then SILE.settings:set("font.style", options.style) end
  if options.variant then SILE.settings:set("font.variant", options.variant) end
  if options.features then SILE.settings:set("font.features", options.features) end
  if options.variations then SILE.settings:set("font.variations", options.variations) end
  if options.direction then SILE.settings:set("font.direction", options.direction) end
  if options.language then
    if options.language ~= "und" and icu and icu.canonicalize_language then
      local newlang = icu.canonicalize_language(options.language)
      -- if newlang ~= options.language then
        -- SU.warn("Language '"..options.language.."' not canonical, '"..newlang.."' will be used instead.")
      -- end
      options.language = newlang
    end
    SILE.settings:set("document.language", options.language)
    fluent:set_locale(options.language)
    SILE.languageSupport.loadLanguage(options.language)
  end
  if options.script then SILE.settings:set("font.script", options.script)
  elseif SILE.settings:get("document.language") then
    local lang = SILE.languageSupport.languages[SILE.settings:get("document.language")]
    if lang and lang.defaultScript then
      SILE.settings:set("font.script", lang.defaultScript)
    end
  end
  if options.hyphenchar then
    -- must be in the form of, for example, "-" or "U+2010" or "0x2010" (Unicode hex codepoint)
    SILE.settings:set("font.hyphenchar", SU.utf8charfromcodepoint(options.hyphenchar))
  end

  -- We must *actually* load the font here, because by the time we're inside
  -- SILE.shaper.shapeToken, it's too late to respond appropriately to things
  -- that the post-load hook might want to do.
  SILE.font.cache(SILE.font.loadDefaults({}), SILE.shaper.getFace)

  if SU.hasContent(content) then
    SILE.process(content)
    SILE.settings:popState()
    if SILE.shaper._name == "harfbuzzWithColor" and lastshaper then
      SU.debug("color-fonts", "Switching from color fonts shaper back to previous shaper")
      SILE.typesetter:leaveHmode(true)
      lastshaper, SILE.shaper = nil, lastshaper
    end
  end
end, "Set current font family, size, weight, style, variant, script, direction and language", nil, true)

SILE.settings:declare({ parameter = "font.family", type = "string or nil", default = "Gentium Plus" })
SILE.settings:declare({ parameter = "font.size", type = "number or integer", default = 10 })
SILE.settings:declare({ parameter = "font.weight", type = "integer", default = 400 })
SILE.settings:declare({ parameter = "font.variant", type = "string", default = "normal" })
SILE.settings:declare({ parameter = "font.script", type = "string", default = "" })
SILE.settings:declare({ parameter = "font.style", type = "string", default = "" })
SILE.settings:declare({ parameter = "font.direction", type = "string", default = "" })
SILE.settings:declare({ parameter = "font.filename", type = "string or nil", default = "" })
SILE.settings:declare({ parameter = "font.features", type = "string", default = "" })
SILE.settings:declare({ parameter = "font.variations", type = "string", default = "" })
SILE.settings:declare({ parameter = "font.hyphenchar", type = "string", default = "-" })

SILE.fontCache = {}

local _key = function (options)
  return table.concat({
      options.family,
      ("%g"):format(SILE.measurement(options.size):tonumber()),
      ("%d"):format(options.weight or 0),
      options.style,
      options.variant,
      options.features,
      options.variations,
      options.direction,
      options.filename,
    }, ";")
end

local font = {

  loadDefaults = function (options)
    if not options.family then options.family = SILE.settings:get("font.family") end
    if not options.size then options.size = SILE.settings:get("font.size") end
    if not options.weight then options.weight = SILE.settings:get("font.weight") end
    if not options.style then options.style = SILE.settings:get("font.style") end
    if not options.variant then options.variant = SILE.settings:get("font.variant") end
    if SILE.settings:get("font.filename") ~= "" then
      options.filename = SILE.settings:get("font.filename")
      options.family = ""
    end
    if not options.language then options.language = SILE.settings:get("document.language") end
    if not options.script then options.script = SILE.settings:get("font.script") end
    if not options.direction then
      options.direction = SILE.settings:get("font.direction")
      if not options.direction or options.direction == "" then
        options.direction = SILE.typesetter and SILE.typesetter.frame and SILE.typesetter.frame:writingDirection() or "LTR"
      end
    end
    if not options.features then options.features = SILE.settings:get("font.features") end
    if not options.variations then options.variations = SILE.settings:get("font.variations") end
    if not options.hyphenchar then options.hyphenchar = SILE.settings:get("font.hyphenchar") end
    return options
  end,

  cache = function (options, callback)
    local key = _key(options)
    if not SILE.fontCache[key] then
      SU.debug("fonts", "Looking for", key)
      local face = callback(options)
      SILE.fontCache[key] = face
    end
    local cached = SILE.fontCache[key]
    SILE.font.postLoadHook(cached)
    return cached
  end,

  finish = function ()
    for key, font in pairs(SILE.fontCache) do
      if font.tempfilename ~= font.filename then
        SU.debug("fonts", "Removing temporary file of", key, ":", font.tempfilename)
        os.remove(font.tempfilename)
      end
    end
  end,

  postLoadHook = function(face)
    local ot = require("core.opentype-parser")
    local font = ot.parseFont(face)
    if font.cpal then
      SILE.require("packages.color-fonts")
      if SILE.shaper._name ~= "harfbuzzWithColor" then
        SU.debug("color-fonts", "Switching to color font Shaper")
        SILE.typesetter:leaveHmode(true)
        lastshaper, SILE.shaper = SILE.shaper, SILE.shapers.harfbuzzWithColor()
      end
    end
  end,

  _key = _key
}

return font

1	local icu = require("justenoughicu")	34✔
2
3	local lastshaper
4
5	SILE.registerCommand("font", function (options, content)	68✔
6	if SU.hasContent(content) then SILE.settings:pushState() end	32✔
7	if options.filename then SILE.settings:set("font.filename", options.filename) end	16✔
8	if options.family then	16✔
9	SILE.settings:set("font.family", options.family)	7✔
10	SILE.settings:set("font.filename", "")	7✔
11	end
12	if options.size then	16✔
13	local size = SU.cast("measurement", options.size)	5✔
14	if not size then SU.error("Couldn't parse font size "..options.size) end	5✔
15	SILE.settings:set("font.size", size:absolute())	10✔
16	end
17	if options.weight then SILE.settings:set("font.weight", 0+options.weight) end	16✔
18	if options.style then SILE.settings:set("font.style", options.style) end	16✔
19	if options.variant then SILE.settings:set("font.variant", options.variant) end	16✔
20	if options.features then SILE.settings:set("font.features", options.features) end	16✔
21	if options.variations then SILE.settings:set("font.variations", options.variations) end	16✔
22	if options.direction then SILE.settings:set("font.direction", options.direction) end	16✔
23	if options.language then	16✔
24	if options.language ~= "und" and icu and icu.canonicalize_language then	×
25	local newlang = icu.canonicalize_language(options.language)	×
26	-- if newlang ~= options.language then
27	-- SU.warn("Language '"..options.language.."' not canonical, '"..newlang.."' will be used instead.")
28	-- end
29	options.language = newlang	×
30	end
31	SILE.settings:set("document.language", options.language)	×
32	fluent:set_locale(options.language)	×
33	SILE.languageSupport.loadLanguage(options.language)	×
34	end
35	if options.script then SILE.settings:set("font.script", options.script)	16✔
36	elseif SILE.settings:get("document.language") then	32✔
37	local lang = SILE.languageSupport.languages[SILE.settings:get("document.language")]	32✔
38	if lang and lang.defaultScript then	16✔
39	SILE.settings:set("font.script", lang.defaultScript)	×
40	end
41	end
42	if options.hyphenchar then	16✔
43	-- must be in the form of, for example, "-" or "U+2010" or "0x2010" (Unicode hex codepoint)
44	SILE.settings:set("font.hyphenchar", SU.utf8charfromcodepoint(options.hyphenchar))	×
45	end
46
47	-- We must actually load the font here, because by the time we're inside
48	-- SILE.shaper.shapeToken, it's too late to respond appropriately to things
49	-- that the post-load hook might want to do.
50	SILE.font.cache(SILE.font.loadDefaults({}), SILE.shaper.getFace)	32✔
51
52	if SU.hasContent(content) then	32✔
53	SILE.process(content)	12✔
54	SILE.settings:popState()	12✔
55	if SILE.shaper._name == "harfbuzzWithColor" and lastshaper then	12✔
56	SU.debug("color-fonts", "Switching from color fonts shaper back to previous shaper")	×
57	SILE.typesetter:leaveHmode(true)	×
58	lastshaper, SILE.shaper = nil, lastshaper	×
59	end
60	end
61	end, "Set current font family, size, weight, style, variant, script, direction and language", nil, true)	50✔
62
63	SILE.settings:declare({ parameter = "font.family", type = "string or nil", default = "Gentium Plus" })	34✔
64	SILE.settings:declare({ parameter = "font.size", type = "number or integer", default = 10 })	34✔
65	SILE.settings:declare({ parameter = "font.weight", type = "integer", default = 400 })	34✔
66	SILE.settings:declare({ parameter = "font.variant", type = "string", default = "normal" })	34✔
67	SILE.settings:declare({ parameter = "font.script", type = "string", default = "" })	34✔
68	SILE.settings:declare({ parameter = "font.style", type = "string", default = "" })	34✔
69	SILE.settings:declare({ parameter = "font.direction", type = "string", default = "" })	34✔
70	SILE.settings:declare({ parameter = "font.filename", type = "string or nil", default = "" })	34✔
71	SILE.settings:declare({ parameter = "font.features", type = "string", default = "" })	34✔
72	SILE.settings:declare({ parameter = "font.variations", type = "string", default = "" })	34✔
73	SILE.settings:declare({ parameter = "font.hyphenchar", type = "string", default = "-" })	34✔
74
75	SILE.fontCache = {}	34✔
76
77	local _key = function (options)
78	return table.concat({	7,955✔
79	options.family,	7,955✔
80	("%g"):format(SILE.measurement(options.size):tonumber()),	23,865✔
81	("%d"):format(options.weight or 0),	7,955✔
82	options.style,	7,955✔
83	options.variant,	7,955✔
84	options.features,	7,955✔
85	options.variations,	7,955✔
86	options.direction,	7,955✔
87	options.filename,	7,955✔
88	}, ";")	7,955✔
89	end
90
91	local font = {	34✔
92
93	loadDefaults = function (options)
94	if not options.family then options.family = SILE.settings:get("font.family") end	2,530✔
95	if not options.size then options.size = SILE.settings:get("font.size") end	2,530✔
96	if not options.weight then options.weight = SILE.settings:get("font.weight") end	2,548✔
97	if not options.style then options.style = SILE.settings:get("font.style") end	2,548✔
98	if not options.variant then options.variant = SILE.settings:get("font.variant") end	3,770✔
99	if SILE.settings:get("font.filename") ~= "" then	3,770✔
100	options.filename = SILE.settings:get("font.filename")	×
101	options.family = ""	×
102	end
103	if not options.language then options.language = SILE.settings:get("document.language") end	3,752✔
104	if not options.script then options.script = SILE.settings:get("font.script") end	3,770✔
105	if not options.direction then	1,885✔
106	options.direction = SILE.settings:get("font.direction")	3,770✔
107	if not options.direction or options.direction == "" then	1,885✔
108	options.direction = SILE.typesetter and SILE.typesetter.frame and SILE.typesetter.frame:writingDirection() or "LTR"	3,748✔
109	end
110	end
111	if not options.features then options.features = SILE.settings:get("font.features") end	3,770✔
112	if not options.variations then options.variations = SILE.settings:get("font.variations") end	3,770✔
113	if not options.hyphenchar then options.hyphenchar = SILE.settings:get("font.hyphenchar") end	3,770✔
114	return options	1,885✔
115	end,
116
117	cache = function (options, callback)
118	local key = _key(options)	1,583✔
119	if not SILE.fontCache[key] then	1,583✔
120	SU.debug("fonts", "Looking for", key)	44✔
121	local face = callback(options)	44✔
122	SILE.fontCache[key] = face	44✔
123	end
124	local cached = SILE.fontCache[key]	1,583✔
125	SILE.font.postLoadHook(cached)	1,583✔
126	return cached	1,583✔
127	end,
128
129	finish = function ()
130	for key, font in pairs(SILE.fontCache) do	62✔
131	if font.tempfilename ~= font.filename then	44✔
132	SU.debug("fonts", "Removing temporary file of", key, ":", font.tempfilename)	×
133	os.remove(font.tempfilename)	×
134	end
135	end
136	end,
137
138	postLoadHook = function(face)
139	local ot = require("core.opentype-parser")	1,583✔
140	local font = ot.parseFont(face)	1,583✔
141	if font.cpal then	1,583✔
142	SILE.require("packages.color-fonts")	×
143	if SILE.shaper._name ~= "harfbuzzWithColor" then	×
144	SU.debug("color-fonts", "Switching to color font Shaper")	×
145	SILE.typesetter:leaveHmode(true)	×
146	lastshaper, SILE.shaper = SILE.shaper, SILE.shapers.harfbuzzWithColor()	×
147	end
148	end
149	end,
150
151	_key = _key	34✔
152	}
153
154	return font	34✔

sile-typesetter / sile / 6915746301

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