1if not modules then modules = { } end modules ['libs-imp-graphicsmagick'] = {
2 version = 1.001,
3 comment = "companion to luat-lib.mkxl",
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 libname = "graphicsmagick"
10local libfile = { "CORE_RL_magick_", "CORE_RL_wand_" }
11
12local gmlib = resolvers.libraries.validoptional(libname)
13
14if not gmlib then return end
15
16local function okay()
17 if resolvers.libraries.optionalloaded(libname,libfile) then
18 okay = function() return true end
19 else
20 okay = function() return false end
21 end
22 return okay()
23end
24
25local graphicsmagick = utilities.graphicsmagick or { }
26utilities.graphicsmagick = graphicsmagick
27utilities.graphicmagick = graphicsmagick
28
29local gm_execute = gmlib.execute
30local nofruns = 0
31local report = logs.reporter(libname)
32
33function graphicsmagick.convert(specification)
34 if okay() then
35
36 nofruns = nofruns + 1
37 statistics.starttiming(graphicsmagick)
38
39 local inputname = specification.inputname
40 if not inputname or inputname == "" then
41 report("invalid run %s, no inputname specified",nofruns)
42 statistics.stoptiming(graphicsmagick)
43 return false
44 end
45 local outputname = specification.outputname
46 if not outputname or outputname == "" then
47 outputname = file.replacesuffix(inputname,"pdf")
48 end
49
50 if not lfs.isfile(inputname) then
51 report("invalid run %s, input file %a is not found",nofruns,inputname)
52 statistics.stoptiming(graphicsmagick)
53 return false
54 end
55
56 report("run %s, input file %a, outputfile %a",nofruns,inputname,outputname)
57
58 specification.inputfile = inputname
59 specification.outputfile = outputname
60
61 local okay, detail = gm_execute(specification)
62 if not okay then
63 report("error %a",detail)
64 end
65
66 statistics.stoptiming(graphicsmagick)
67 end
68end
69
70function graphicsmagick.statistics(feedback)
71 local runtime = statistics.elapsedtime(graphicsmagick)
72 if feedback then
73 report("nofruns %s, runtime %s",nofruns,runtime)
74 else
75 return {
76 runtime = runtime,
77 nofruns = nofruns,
78 }
79 end
80end
81
82
83
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