10618011310

Committed 29 Aug 2024 03:10PM UTC coverage: 61.03% (-0.7%) from 61.736%

Build # 10618011310

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push

github

Committed by

alerque

Commit Message

chore(release): 0.15.5

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88.71

/core/font.lua

--- font
-- @module SILE.font
local icu = require("justenoughicu")

local lastshaper

SILE.registerCommand("font", function (options, content)
   if SU.ast.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.languageSupport.loadLanguage(options.language)
      SILE.settings:set("document.language", 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.ast.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.types.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	--- font
2	-- @module SILE.font
3	local icu = require("justenoughicu")	85✔
4
5	local lastshaper
6
7	SILE.registerCommand("font", function (options, content)	170✔
8	if SU.ast.hasContent(content) then	804✔
9	SILE.settings:pushState()	28✔
10	end
11	if options.filename then	402✔
12	SILE.settings:set("font.filename", options.filename)	×
13	end
14	if options.family then	402✔
15	SILE.settings:set("font.family", options.family)	370✔
16	SILE.settings:set("font.filename", "")	370✔
17	end
18	if options.size then	402✔
19	local size = SU.cast("measurement", options.size)	394✔
20	if not size then	394✔
21	SU.error("Couldn't parse font size " .. options.size)	×
22	end
23	SILE.settings:set("font.size", size:absolute())	788✔
24	end
25	if options.weight then	402✔
26	SILE.settings:set("font.weight", 0 + options.weight)	357✔
27	end
28	if options.style then	402✔
29	SILE.settings:set("font.style", options.style)	356✔
30	end
31	if options.variant then	402✔
32	SILE.settings:set("font.variant", options.variant)	354✔
33	end
34	if options.features then	402✔
35	SILE.settings:set("font.features", options.features)	354✔
36	end
37	if options.variations then	402✔
38	SILE.settings:set("font.variations", options.variations)	354✔
39	end
40	if options.direction then	402✔
41	SILE.settings:set("font.direction", options.direction)	354✔
42	end
43	if options.language then	402✔
44	if options.language ~= "und" and icu and icu.canonicalize_language then	358✔
45	local newlang = icu.canonicalize_language(options.language)	358✔
46	-- if newlang ~= options.language then
47	-- SU.warn("Language '"..options.language.."' not canonical, '"..newlang.."' will be used instead.")
48	-- end
49	options.language = newlang	358✔
50	end
51	SILE.languageSupport.loadLanguage(options.language)	358✔
52	SILE.settings:set("document.language", options.language)	358✔
53	end
54	if options.script then	402✔
55	SILE.settings:set("font.script", options.script)	710✔
56	elseif SILE.settings:get("document.language") then	94✔
57	local lang = SILE.languageSupport.languages[SILE.settings:get("document.language")]	94✔
58	if lang and lang.defaultScript then	47✔
59	SILE.settings:set("font.script", lang.defaultScript)	1✔
60	end
61	end
62	if options.hyphenchar then	402✔
63	-- must be in the form of, for example, "-" or "U+2010" or "0x2010" (Unicode hex codepoint)
64	SILE.settings:set("font.hyphenchar", SU.utf8charfromcodepoint(options.hyphenchar))	710✔
65	end
66
67	-- We must actually load the font here, because by the time we're inside
68	-- SILE.shaper.shapeToken, it's too late to respond appropriately to things
69	-- that the post-load hook might want to do.
70	SILE.font.cache(SILE.font.loadDefaults({}), SILE.shaper.getFace)	804✔
71
72	if SU.ast.hasContent(content) then	804✔
73	SILE.process(content)	28✔
74	SILE.settings:popState()	28✔
75	if SILE.shaper._name == "harfbuzzWithColor" and lastshaper then	28✔
76	SU.debug("color-fonts", "Switching from color fonts shaper back to previous shaper")	×
77	SILE.typesetter:leaveHmode(true)	×
78	lastshaper, SILE.shaper = nil, lastshaper	×
79	end
80	end
81	end, "Set current font family, size, weight, style, variant, script, direction and language", nil, true)	487✔
82
83	SILE.settings:declare({ parameter = "font.family", type = "string or nil", default = "Gentium Plus" })	85✔
84	SILE.settings:declare({ parameter = "font.size", type = "number or integer", default = 10 })	85✔
85	SILE.settings:declare({ parameter = "font.weight", type = "integer", default = 400 })	85✔
86	SILE.settings:declare({ parameter = "font.variant", type = "string", default = "normal" })	85✔
87	SILE.settings:declare({ parameter = "font.script", type = "string", default = "" })	85✔
88	SILE.settings:declare({ parameter = "font.style", type = "string", default = "" })	85✔
89	SILE.settings:declare({ parameter = "font.direction", type = "string", default = "" })	85✔
90	SILE.settings:declare({ parameter = "font.filename", type = "string or nil", default = "" })	85✔
91	SILE.settings:declare({ parameter = "font.features", type = "string", default = "" })	85✔
92	SILE.settings:declare({ parameter = "font.variations", type = "string", default = "" })	85✔
93	SILE.settings:declare({ parameter = "font.hyphenchar", type = "string", default = "-" })	85✔
94
95	SILE.fontCache = {}	85✔
96
97	local _key = function (options)
98	return table.concat({	14,708✔
99	options.family,	14,708✔
100	("%g"):format(SILE.types.measurement(options.size):tonumber()),	44,124✔
101	("%d"):format(options.weight or 0),	14,708✔
102	options.style,	14,708✔
103	options.variant,	14,708✔
104	options.features,	14,708✔
105	options.variations,	14,708✔
106	options.direction,	14,708✔
107	options.filename,	14,708✔
108	}, ";")	14,708✔
109	end
110
111	local font = {	85✔
112
113	loadDefaults = function (options)
114	if not options.family then	4,019✔
115	options.family = SILE.settings:get("font.family")	4,452✔
116	end
117	if not options.size then	4,019✔
118	options.size = SILE.settings:get("font.size")	4,452✔
119	end
120	if not options.weight then	4,019✔
121	options.weight = SILE.settings:get("font.weight")	4,540✔
122	end
123	if not options.style then	4,019✔
124	options.style = SILE.settings:get("font.style")	4,540✔
125	end
126	if not options.variant then	4,019✔
127	options.variant = SILE.settings:get("font.variant")	8,038✔
128	end
129	if SILE.settings:get("font.filename") ~= "" then	8,038✔
130	options.filename = SILE.settings:get("font.filename")	×
131	options.family = ""	×
132	end
133	if not options.language then	4,019✔
134	options.language = SILE.settings:get("document.language")	7,950✔
135	end
136	if not options.script then	4,019✔
137	options.script = SILE.settings:get("font.script")	8,038✔
138	end
139	if not options.direction then	4,019✔
140	options.direction = SILE.settings:get("font.direction")	8,038✔
141	if not options.direction or options.direction == "" then	4,019✔
142	options.direction = SILE.typesetter and SILE.typesetter.frame and SILE.typesetter.frame:writingDirection()	3,655✔
143	or "LTR"	3,655✔
144	end
145	end
146	if not options.features then	4,019✔
147	options.features = SILE.settings:get("font.features")	8,038✔
148	end
149	if not options.variations then	4,019✔
150	options.variations = SILE.settings:get("font.variations")	8,038✔
151	end
152	if not options.hyphenchar then	4,019✔
153	options.hyphenchar = SILE.settings:get("font.hyphenchar")	8,038✔
154	end
155	return options	4,019✔
156	end,
157
158	cache = function (options, callback)
159	local key = _key(options)	2,809✔
160	if not SILE.fontCache[key] then	2,809✔
161	SU.debug("fonts", "Looking for", key)	100✔
162	local face = callback(options)	100✔
163	SILE.fontCache[key] = face	100✔
164	end
165	local cached = SILE.fontCache[key]	2,809✔
166	SILE.font.postLoadHook(cached)	2,809✔
167	return cached	2,809✔
168	end,
169
170	finish = function ()
171	for key, font in pairs(SILE.fontCache) do	144✔
172	if font.tempfilename ~= font.filename then	100✔
173	SU.debug("fonts", "Removing temporary file of", key, ":", font.tempfilename)	×
174	os.remove(font.tempfilename)	×
175	end
176	end
177	end,
178
179	postLoadHook = function (face)
180	local ot = require("core.opentype-parser")	2,809✔
181	local font = ot.parseFont(face)	2,809✔
182	if font.cpal then	2,809✔
183	SILE.require("packages.color-fonts")	×
184	if SILE.shaper._name ~= "harfbuzzWithColor" then	×
185	SU.debug("color-fonts", "Switching to color font Shaper")	×
186	SILE.typesetter:leaveHmode(true)	×
187	lastshaper, SILE.shaper = SILE.shaper, SILE.shapers.harfbuzzWithColor()	×
188	end
189	end
190	end,
191
192	_key = _key,	85✔
193	}
194
195	return font	85✔

sile-typesetter / sile / 10618011310

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