1 files changed, 77 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/libs-imp-graphicsmagick.lmt b/tex/context/base/mkiv/libs-imp-graphicsmagick.lmt
new file mode 100644
index 000000000..6f5d1d967
--- /dev/null
+++ b/tex/context/base/mkiv/libs-imp-graphicsmagick.lmt
@@ -0,0 +1,77 @@
+if not modules then modules = { } end modules ['libs-imp-graphicsmagick'] = {
+    version   = 1.001,
+    comment   = "companion to luat-lib.mkxl",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files",
+}
+
+local libname = "graphicsmagick"
+local libfile = { "CORE_RL_magick_", "CORE_RL_wand_" }
+
+local gmlib = resolvers.libraries.validoptional(libname)
+
+if not gmlib then return end
+
+local function okay()
+    if resolvers.libraries.optionalloaded(libname,libfile) then
+        okay = function() return true end
+    else
+        okay = function() return false end
+    end
+    return okay()
+end
+
+local graphicsmagick     = utilities.graphicsmagick or { }
+utilities.graphicsmagick = graphicsmagick
+utilities.graphicmagick  = graphicsmagick
+
+local gm_execute = gmlib.execute
+local nofruns    = 0
+local report     = logs.reporter(libname)
+
+function graphicsmagick.convert(specification)
+    if okay() then
+        --
+        nofruns = nofruns + 1
+        statistics.starttiming(graphicsmagick)
+        --
+        local inputname  = specification.inputname
+        if not inputname or inputname == "" then
+            report("invalid run %s, no inputname specified",nofruns)
+            statistics.stoptiming(graphicsmagick)
+            return false
+        end
+        local outputname = specification.outputname
+        if not outputname or outputname == "" then
+            outputname = file.replacesuffix(inputname,"pdf")
+        end
+        --
+        if not lfs.isfile(inputname) then
+            report("invalid run %s, input file %a is not found",nofruns,inputname)
+            statistics.stoptiming(graphicsmagick)
+            return false
+        end
+        --
+        report("run %s, input file %a, outputfile %a",nofruns,inputname,outputname)
+        --
+        gm_execute { inputfile = inputname, outputfile = outputname }
+        --
+        statistics.stoptiming(graphicsmagick)
+    end
+end
+
+function graphicsmagick.statistics(report)
+    local runtime = statistics.elapsedtime(graphicsmagick)
+    if report then
+        report("nofruns %s, runtime %s",nofruns,runtime)
+    else
+        return {
+            runtime = runtime,
+            nofruns = nofruns,
+        }
+    end
+end
+
+-- graphicsmagick.convert { inputname = "t:/sources/hacker.jpg", outputname = "e:/tmp/hacker.png" }
+-- graphicsmagick.statistics(true)