summaryrefslogtreecommitdiff
path: root/info/context-notes-zh-cn/src/t-zhfonts.lua
blob: c40219febfbf54dbfdcfa63c1ac974096850b71a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
zhfonts = {}

local function init_fonts_table ()
    local f = {}
    f.serif, f.sans, f.mono = {}, {}, {}
    for k in pairs (f) do
	f[k] = {regular = {},bold = {}, italic = {}, bolditalic = {}}
    end
    return f
end

local cjkfonts, latinfonts = init_fonts_table (), init_fonts_table ()

cjkfonts.serif.regular    = {name = 'adobesongstd',  rscale = '1.0'}
cjkfonts.serif.bold       = {name = 'adobeheitistd',   rscale = '1.0'}
cjkfonts.serif.italic     = {name = 'adobesongstd',  rscale = '1.0'}
cjkfonts.serif.bolditalic = {name = 'adobeheitistd',   rscale = '1.0'}
cjkfonts.sans.regular     = {name = 'adobeheitistd',  rscale = '1.0'}
cjkfonts.sans.bold        = {name = 'adobeheitistd',   rscale = '1.0'}
cjkfonts.sans.italic      = {name = 'adobeheitistd',  rscale = '1.0'}
cjkfonts.sans.bolditalic  = {name = 'adobeheitistd',   rscale = '1.0'}
cjkfonts.mono.regular     = {name = 'adobesongstd', rscale = '1.0'}
cjkfonts.mono.bold        = {name = 'adobesongstd',   rscale = '1.0'}
cjkfonts.mono.italic      = {name = 'adobesongstd', rscale = '1.0'}
cjkfonts.mono.bolditalic  = {name = 'adobesongstd',   rscale = '1.0'}

latinfonts.serif.regular    = {name = 'texgyrepagellaregular'}
latinfonts.serif.bold       = {name = 'texgyrepagellabold'}
latinfonts.serif.italic     = {name = 'texgyrepagellaitalic'}
latinfonts.serif.bolditalic = {name = 'texgyrepagellabolditalic'}
latinfonts.sans.regular     = {name = 'texgyreherosregular'}
latinfonts.sans.bold        = {name = 'texgyreherosbold'}
latinfonts.sans.italic      = {name = 'texgyreherositalic'}
latinfonts.sans.bolditalic  = {name = 'texgyreherosbolditalic'}
latinfonts.mono.regular     = {name = 'lmmono10regular'}
latinfonts.mono.bold        = {name = 'lmmonolt10bold'}
latinfonts.mono.italic      = {name = 'lmmono10italic'}
latinfonts.mono.bolditalic  = {name = 'lmmonolt10boldoblique'}

local mathfonts = {roman = {}}
mathfonts.roman.name = 'xitsmathregular'
mathfonts.roman.feature = 'math\mathsizesuffix'
mathfonts.roman.goodies = 'xits-math'

local function strsplit(str, sep)
    local start_pos = 1
    local split_pos = 1
    local result = {}
    local stop_pos = nil
    while true do
        stop_pos = string.find (str, sep, start_pos)
        if not stop_pos then
            result[split_pos] = string.sub (str, start_pos, string.len(str))
            break
        end
        result[split_pos] = string.sub (str, start_pos, stop_pos - 1)
        start_pos = stop_pos + string.len(sep)
        split_pos = split_pos + 1
    end
    return result
end

local function strtrim (str)
    return string.gsub (str, "^%s*(.-)%s*$", "%1")
end

local function str_split_and_trim (str, sep)
    local strlist = strsplit (str, sep)
    local result  = {}
    for i, v in ipairs (strlist) do
	result[i] = strtrim (v)
    end
    return result
end

local function gen_cjk_typescript (ft)
    local fb = '\\definefontfallback'
    local fb_area = '[0x00400-0x2FA1F]'
    local s1 = nil

    context ('\\starttypescript[serif][zhfonts]')
    context ('\\setups[font:fallbacks:serif]')
    s = ft.serif.regular
    context (fb..'[zhSerif][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.serif.bold
    context (fb..'[zhSerifBold][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.serif.italic
    context (fb..'[zhSerifItalic][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.serif.bolditalic
    context (fb..'[zhSerifBoldItalic][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    context ('\\stoptypescript')

    context ('\\starttypescript[sans][zhfonts]')
    context ('\\setups[font:fallbacks:sans]')
    s = ft.sans.regular
    context (fb..'[zhSans][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.sans.bold
    context (fb..'[zhSansBold][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.sans.italic
    context (fb..'[zhSansItalic][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.sans.bolditalic
    context (fb..'[zhSansBoldItalic][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    context ('\\stoptypescript')

    context ('\\starttypescript[mono][zhfonts]')
    context ('\\setups[font:fallbacks:mono]')
    s = ft.mono.regular
    context (fb..'[zhMono][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.mono.bold
    context (fb..'[zhMonoBold][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.mono.italic
    context (fb..'[zhMonoItalic][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    s = ft.mono.bolditalic
    context (fb..'[zhMonoBoldItalic][name:'..s.name..']'..fb_area..'[rscale='..s.rscale..']')
    context ('\\stoptypescript')
end

local function gen_latin_typescript (ft)
    local la = '\\definefontsynonym[latin'

    context ('\\starttypescript[serif][zhfonts]')
    context (la..'Serif][name:' .. ft.serif.regular.name .. ']')
    context (la..'SerifBold][name:' .. ft.serif.bold.name .. ']')
    context (la..'SerifItalic][name:' .. ft.serif.italic.name .. ']')
    context (la..'SerifBoldItalic][name:' .. ft.serif.bolditalic.name .. ']')
    context ('\\stoptypescript')

    context ('\\starttypescript[sans][zhfonts]')
    context (la..'Sans][name:' .. ft.sans.regular.name .. ']')
    context (la..'SansBold][name:' .. ft.sans.bold.name .. ']')
    context (la..'SansItalic][name:' .. ft.sans.italic.name .. ']')
    context (la..'SansBoldItalic][name:' .. ft.sans.bolditalic.name .. ']')
    context ('\\stoptypescript')

    context ('\\starttypescript[mono][zhfonts]')
    context (la..'Mono][name:' .. ft.mono.regular.name .. ']')
    context (la..'MonoBold][name:' .. ft.mono.bold.name .. ']')
    context (la..'MonoItalic][name:' .. ft.mono.italic.name .. ']')
    context (la..'MonoBoldItalic][name:' .. ft.mono.bolditalic.name .. ']')
    context ('\\stoptypescript')
end

local function gen_fallback_typescript ()
    context ('\\starttypescript[serif][zhfonts]')
    context ('\\setups[font:fallbacks:serif]')
    context ('\\definefontsynonym[zhSeriffallback][latinSerif][fallbacks=zhSerif]')
    context ('\\definefontsynonym[Serif][zhSeriffallback]')    
    context ('\\definefontsynonym[zhSerifBoldfallback][latinSerifBold][fallbacks=zhSerifBold]')
    context ('\\definefontsynonym[SerifBold][zhSerifBoldfallback]')   
    context ('\\definefontsynonym[zhSerifItalicfallback][latinSerifItalic][fallbacks=zhSerifItalic]')
    context ('\\definefontsynonym[SerifItalic][zhSerifItalicfallback]')
    context ('\\definefontsynonym[zhSerifBoldItalicfallback][latinSerifBoldItalic][fallbacks=zhSerifBoldItalic]')
    context ('\\definefontsynonym[SerifBoldItalic][zhSerifBoldItalicfallback]')
    context ('\\stoptypescript')

    context ('\\starttypescript[sans][zhfonts]')
    context ('\\setups[font:fallbacks:sans]')
    context ('\\definefontsynonym[zhSansfallback][latinSans][fallbacks=zhSans]')
    context ('\\definefontsynonym[Sans][zhSansfallback]')    
    context ('\\definefontsynonym[zhSansBoldfallback][latinSansBold][fallbacks=zhSansBold]')
    context ('\\definefontsynonym[SansBold][zhSansBoldfallback]')   
    context ('\\definefontsynonym[zhSansItalicfallback][latinSansItalic][fallbacks=zhSansItalic]')
    context ('\\definefontsynonym[SansItalic][zhSansItalicfallback]')
    context ('\\definefontsynonym[zhSansBoldItalicfallback][latinSansBoldItalic][fallbacks=zhSansBoldItalic]')
    context ('\\definefontsynonym[SansBoldItalic][zhSansBoldItalicfallback]')
    context ('\\stoptypescript')

    context ('\\starttypescript[mono][zhfonts]')
    context ('\\setups[font:fallbacks:mono]')
    context ('\\definefontsynonym[zhMonofallback][latinMono][fallbacks=zhMono]')
    context ('\\definefontsynonym[Mono][zhMonofallback]')    
    context ('\\definefontsynonym[zhMonoBoldfallback][latinMonoBold][fallbacks=zhMonoBold]')
    context ('\\definefontsynonym[MonoBold][zhMonoBoldfallback]')   
    context ('\\definefontsynonym[zhMonoItalicfallback][latinMonoItalic][fallbacks=zhMonoItalic]')
    context ('\\definefontsynonym[MonoItalic][zhMonoItalicfallback]')
    context ('\\definefontsynonym[zhMonoBoldItalicfallback][latinMonoBoldItalic][fallbacks=zhMonoBoldItalic]')
    context ('\\definefontsynonym[MonoBoldItalic][zhMonoBoldItalicfallback]')
    context ('\\stoptypescript')
end

local function gen_math_typescript (ft)
    if mathfonts.roman.name then
	local s = ft.roman
	context ('\\starttypescript[math][zhfonts]')
	context ('\\setups[font:fallbacks:math]')
	context ('\\definefontsynonym[MathRoman][name:'..s.name..'][features='..s.feature..', goodies='..s.goodies..']')
	context ('\\stoptypescript')
    end
end

local function gen_typeface ()
    context ('\\starttypescript[zhfonts]')
    context ('\\definetypeface[zhfonts][rm][serif][zhfonts][default][features=zh]')
    context ('\\definetypeface[zhfonts][ss][sans][zhfonts][default][features=zh]')
    context ('\\definetypeface[zhfonts][tt][mono][zhfonts][default]')
    if mathfonts.roman.name then
	context ('\\definetypeface[zhfonts][mm][math][zhfonts]')
    end
    context ('\\stoptypescript')
end

function zhfonts.gen_typescript ()
    gen_cjk_typescript (cjkfonts)
    gen_latin_typescript (latinfonts)
    gen_fallback_typescript ()
    gen_math_typescript (mathfonts)
    gen_typeface ()
end

local function setup_cjkfonts (meta, fontlist)
    local f, g = nil, nil
    for i, v in ipairs (fontlist) do
	f = str_split_and_trim (v, '=')
	g = str_split_and_trim (f[2], '@')
	if g[1] ~= '' then cjkfonts[meta][f[1]].name = g[1] end
	if g[2] then cjkfonts[meta][f[1]].rscale = g[2] end
    end
end

local function setup_latinfonts (meta, fontlist)
    local f, g = nil, nil
    for i, v in ipairs (fontlist) do
	f = str_split_and_trim (v, '=')
	latinfonts[meta][f[1]].name = f[2]
    end   
end

local function setup_mathfonts (fontlist)
    local f, g = nil, nil
    for i, v in ipairs (fontlist) do
	f = str_split_and_trim (v, '=')
	if f[2] ~= '' then 
	    mathfonts[f[1]].name = f[2]
	else
	    mathfonts[f[1]].name = nil
	end
    end   
end


local fontfeatures = "mode=node,protrusion=myvector,liga=yes,"
local function setup_fontfeatures (s)
    fontfeatures = fontfeatures .. s
    print (fontfeatures)
end

function zhfonts.setup (metainfo, fontinfo)
    local m = str_split_and_trim (metainfo, ',')
    local f = str_split_and_trim (fontinfo, ',')
    if #m == 1 and m[1] == 'feature' then setup_fontfeatures (fontinfo) end
    if #m == 1 and cjkfonts[m[1]] then setup_cjkfonts (m[1], f)  end
    if #m == 1 and m[1] == 'math' then setup_mathfonts (f) end
    if #m == 2 then
	if m[1] == 'latin' and latinfonts[m[2]] then setup_latinfonts (m[2], f) end
	if m[2] == 'latin' and latinfonts[m[1]] then setup_latinfonts (m[1], f) end	
    end
end

function zhfonts.use (param)
    context ('\\setscript[hanzi]')
    zhspuncs.opt ()
    context ('\\definefontfeature[zh][default][' .. fontfeatures .. ']')
    context ('\\setupalign[hz,hanging]')
    local f = strtrim (param)
    if f ~= "none" then
        zhfonts.gen_typescript ()
        if f ~= "hack" then
	    context ('\\usetypescript[zhfonts]')
            context ('\\setupbodyfont[zhfonts, ' .. param .. ']') 
        end
    end
end