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-rw-r--r--Master/texmf-dist/tex/context/base/m-steps.lua227
1 files changed, 227 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/m-steps.lua b/Master/texmf-dist/tex/context/base/m-steps.lua
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+++ b/Master/texmf-dist/tex/context/base/m-steps.lua
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+if not modules then modules = { } end modules ['x-flow'] = {
+ version = 1.001,
+ comment = "companion to m-flow.mkvi",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+-- when we can resolve mpcolor at the lua end we will use metapost.graphic(....) directly
+
+moduledata.steps = moduledata.steps or { }
+
+local points = number.points -- number.pt
+local variables = interfaces.variables
+
+local trace_charts = false
+
+local defaults = {
+ chart = {
+ dx = 10*65436,
+ dy = 10*65436,
+ },
+ cell = {
+ alternative = 1,
+ offset = 2*65436,
+ rulethickness = 65436,
+ framecolor = "blue",
+ backgroundcolor = "gray",
+ },
+ text = {
+ alternative = 1,
+ offset = 2*65436,
+ distance = 4*65436,
+ rulethickness = 65436,
+ framecolor = "red",
+ backgroundcolor = "gray",
+ },
+ line = {
+ alternative = 1,
+ rulethickness = 65436,
+ height = 30*65436,
+ distance = 10*65436,
+ offset = 5*65436,
+ color = "green",
+ },
+}
+
+-- todo : name (no name then direct)
+-- maybe: includes
+-- maybe: flush ranges
+
+local charts = { }
+local steps = { }
+
+function commands.step_start_chart(name)
+ name = name or ""
+ steps = { }
+ charts[name] = {
+ steps = steps,
+ }
+end
+
+function commands.step_stop_chart()
+end
+
+function commands.step_make_chart(settings)
+ local chartsettings = settings.chart
+ if not chartsettings then
+ print("no chart")
+ return
+ end
+ local chartname = chartsettings.name
+ if not chartname then
+ print("no name given")
+ return
+ end
+ local chart = charts[chartname]
+ if not chart then
+ print("no such chart",chartname)
+ return
+ end
+ local steps = chart.steps or { }
+ --
+ table.setmetatableindex(settings,defaults)
+ --
+ if trace_charts then
+ inspect(steps)
+ end
+ --
+ local textsettings = settings.text
+ local cellsettings = settings.cell
+ local linesettings = settings.line
+ --
+ context.startMPcode()
+ context("if unknown context_cell : input mp-step.mpiv ; fi ;")
+ context("step_begin_chart ;")
+ --
+ if chartsettings.alternative == variables.vertical then
+ context("chart_vertical := true ;")
+ end
+ --
+ context("text_line_color := \\MPcolor{%s} ;", textsettings.framecolor)
+ context("text_line_width := %s ;", points(textsettings.rulethickness))
+ context("text_fill_color := \\MPcolor{%s} ;", textsettings.backgroundcolor)
+ context("text_offset := %s ;", points(textsettings.offset))
+ context("text_distance_set := %s ;", points(textsettings.distance))
+ --
+ context("cell_line_color := \\MPcolor{%s} ;", cellsettings.framecolor)
+ context("cell_line_width := %s ;", points(cellsettings.rulethickness))
+ context("cell_fill_color := \\MPcolor{%s} ;", cellsettings.backgroundcolor)
+ context("cell_offset := %s ;", points(cellsettings.offset))
+ context("cell_distance_x := %s ;", points(cellsettings.dx))
+ context("cell_distance_y := %s ;", points(cellsettings.dy))
+ --
+ context("line_line_color := \\MPcolor{%s} ;", linesettings.color)
+ context("line_line_width := %s ;", points(linesettings.rulethickness))
+ context("line_distance := %s ;", points(linesettings.distance))
+ context("line_offset := %s ;", points(linesettings.offset))
+ --
+ for i=1,#steps do
+ local step = steps[i]
+ context("step_begin_cell ;")
+ if step.cell_top ~= "" then
+ context('step_cell_top("%s") ;',string.strip(step.cell_top))
+ end
+ if step.cell_bot ~= "" then
+ context('step_cell_bot("%s") ;',string.strip(step.cell_bot))
+ end
+ if step.text_top ~= "" then
+ context('step_text_top("%s") ;',string.strip(step.text_top))
+ end
+ if step.text_mid ~= "" then
+ context('step_text_mid("%s") ;',string.strip(step.text_mid))
+ end
+ if step.text_bot ~= "" then
+ context('step_text_bot("%s") ;',string.strip(step.text_bot))
+ end
+ context("step_end_cell ;")
+ end
+ --
+ context("step_end_chart ;")
+ context.stopMPcode()
+end
+
+function commands.step_cells(top,bot)
+ steps[#steps+1] = {
+ cell_top = top or "",
+ cell_bot = bot or "",
+ text_top = "",
+ text_mid = "",
+ text_bot = "",
+ }
+end
+
+function commands.step_texts(top,bot)
+ if #steps > 0 then
+ steps[#steps].text_top = top or ""
+ steps[#steps].text_bot = bot or ""
+ end
+end
+
+function commands.step_cell(top)
+ steps[#steps+1] = {
+ cell_top = top or "",
+ cell_bot = "",
+ text_top = "",
+ text_mid = "",
+ text_bot = "",
+ }
+end
+
+function commands.step_text(top)
+ if #steps > 0 then
+ steps[#steps].text_top = top or ""
+ end
+end
+
+function commands.step_textset(left,middle,right)
+ if #steps > 0 then
+ steps[#steps].text_top = left or ""
+ steps[#steps].text_mid = middle or ""
+ steps[#steps].text_bot = right or ""
+ end
+end
+
+function commands.step_start_cell()
+ steps[#steps+1] = {
+ cell_top = "",
+ cell_bot = "",
+ text_top = "",
+ text_mid = "",
+ text_bot = "",
+ }
+end
+
+function commands.step_stop_cell()
+end
+
+function commands.step_text_top(str)
+ if #steps > 0 then
+ steps[#steps].text_top = str or ""
+ end
+end
+
+function commands.step_text_mid(str)
+ if #steps > 0 then
+ steps[#steps].text_mid = str or ""
+ end
+end
+
+function commands.step_text_bot(str)
+ if #steps > 0 then
+ steps[#steps].text_bot = str or ""
+ end
+end
+
+function commands.step_cell_top(str)
+ if #steps > 0 then
+ steps[#steps].cell_top = str or ""
+ end
+end
+
+function commands.step_cell_bot(str)
+ if #steps > 0 then
+ steps[#steps].cell_bot = str or ""
+ end
+end