1if not modules then modules = { } end modules ['page-run'] = {
2 version = 1.001,
3 comment = "companion to page-run.mkiv",
4 author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
5 copyright = "PRAGMA ADE / ConTeXt Development Team",
6 license = "see context related readme files"
7}
8
9local format, concat = string.format, table.concat
10local todimen = number.todimen
11local texdimen = tex.dimen
12
13local function asdimen(name,unit)
14 return todimen(texdimen[name],unit,"%0.4f")
15end
16
17local function checkedoptions(options)
18 if type(options) == "table" then
19 return options
20 elseif not options or options == "" then
21 options = "pt,cm"
22 end
23 options = utilities.parsers.settings_to_hash(options)
24 local n = 4
25 for k, v in table.sortedhash(options) do
26 local m = tonumber(k)
27 if m then
28 n = m
29 end
30 end
31 options.n = n
32 return options
33end
34
35function commands.showlayoutvariables(options)
36
37 options = checkedoptions(options)
38
39 local dimensions = { "pt", "bp", "cm", "mm", "dd", "cc", "pc", "nd", "nc", "sp", "in" }
40
41 local n = 0
42 for i=1,#dimensions do
43 if options[dimensions[i]] then
44 n = n + 1
45 end
46 end
47
48 if n == 0 then
49 options.pt = true
50 n = 1
51 end
52
53 local function showdimension(name)
54 context.NC()
55 context.tex(interfaces.interfacedcommand(name))
56 context.NC()
57 for i=1,#dimensions do
58 local d = dimensions[i]
59 if options[d] then
60 context("%s%s",asdimen(name,d),d)
61 context.NC()
62 end
63 end
64 context.NR()
65 end
66
67 local function showmacro(name)
68 context.NC()
69 context.tex(interfaces.interfacedcommand(name))
70 context.NC()
71 context.getvalue(name)
72 context.NC()
73 context.NR()
74 end
75
76 local function reportdimension(name)
77 local result = { }
78 for i=1,#dimensions do
79 local d = dimensions[i]
80 if options[d] then
81 result[#result+1] = format("%12s%s",asdimen(name,d),d)
82 end
83 end
84 commands.writestatus("layout",format("%-24s %s",interfaces.interfacedcommand(name),concat(result," ")))
85 end
86
87 if tex.count.textlevel == 0 then
88
89
90
91 reportdimension("paperheight")
92 reportdimension("paperwidth")
93 reportdimension("printpaperheight")
94 reportdimension("printpaperwidth")
95 reportdimension("topspace")
96 reportdimension("backspace")
97 reportdimension("makeupheight")
98 reportdimension("makeupwidth")
99 reportdimension("topheight")
100 reportdimension("topdistance")
101 reportdimension("headerheight")
102 reportdimension("headerdistance")
103 reportdimension("textheight")
104 reportdimension("footerdistance")
105 reportdimension("footerheight")
106 reportdimension("bottomdistance")
107 reportdimension("bottomheight")
108 reportdimension("leftedgewidth")
109 reportdimension("leftedgedistance")
110 reportdimension("leftmarginwidth")
111 reportdimension("leftmargindistance")
112 reportdimension("textwidth")
113 reportdimension("rightmargindistance")
114 reportdimension("rightmarginwidth")
115 reportdimension("rightedgedistance")
116 reportdimension("rightedgewidth")
117 reportdimension("bodyfontsize")
118 reportdimension("lineheight")
119
120 else
121
122 context.starttabulate { "|l|" .. string.rep("Tr|",n) }
123
124 showdimension("paperheight")
125 showdimension("paperwidth")
126 showdimension("printpaperheight")
127 showdimension("printpaperwidth")
128 showdimension("topspace")
129 showdimension("backspace")
130 showdimension("makeupheight")
131 showdimension("makeupwidth")
132 showdimension("topheight")
133 showdimension("topdistance")
134 showdimension("headerheight")
135 showdimension("headerdistance")
136 showdimension("textheight")
137 showdimension("footerdistance")
138 showdimension("footerheight")
139 showdimension("bottomdistance")
140 showdimension("bottomheight")
141 showdimension("leftedgewidth")
142 showdimension("leftedgedistance")
143 showdimension("leftmarginwidth")
144 showdimension("leftmargindistance")
145 showdimension("textwidth")
146 showdimension("rightmargindistance")
147 showdimension("rightmarginwidth")
148 showdimension("rightedgedistance")
149 showdimension("rightedgewidth")
150 context.NR()
151 showdimension("bodyfontsize")
152 showdimension("lineheight")
153 context.NR()
154 showmacro("strutheightfactor")
155 showmacro("strutdepthfactor")
156 showmacro("topskipfactor")
157 showmacro("maxdepthfactor")
158
159 context.stoptabulate()
160
161 end
162
163end
164
165function commands.showlayout(options)
166
167 options = checkedoptions(options)
168
169 if tex.count.textlevel == 0 then
170
171 commands.showlayoutvariables(options)
172
173 else
174
175 context.page()
176 context.bgroup()
177 context.showframe()
178 context.setuplayout { marking = interfaces.variables.on }
179 for i=1,(options.n or 4) do
180 commands.showlayoutvariables(options)
181 context.page()
182 end
183 context.egroup()
184
185 end
186
187end
188
189commands.showusage = statistics.showusage
190 |
