diff options
Diffstat (limited to 'tex/context/base/m-steps.lua')
| -rw-r--r-- | tex/context/base/m-steps.lua | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/tex/context/base/m-steps.lua b/tex/context/base/m-steps.lua new file mode 100644 index 000000000..97759b799 --- /dev/null +++ b/tex/context/base/m-steps.lua @@ -0,0 +1,227 @@ +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 |