%D \module %D [ file=mp-cell.mpiv, % mp-step.mpiv, %D version=2010.10.07, % 2001.05.22, %D title=\CONTEXT\ \METAPOST\ graphics, %D subtitle=steps, %D author=Hans Hagen, %D date=\currentdate, %D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}] %C %C This module is part of the \CONTEXT\ macro||package and is %C therefore copyrighted by \PRAGMA. See licen-en.pdf for %C details. % maybe todo: step prefixes .. no save needed % not todo : make it unreadable by lots of suffix compaction if known context_step : endinput ; fi ; boolean context_step ; context_step := true ; def initialize_step_variables = save text_fill_color, text_line_color, text_line_width, text_offset, cell_fill_color, cell_line_color, cell_line_width, cell_offset, line_line_color, line_line_width, line_alternative, line_distance, cell_distance_y, cell_distance_x, nofcells, chart_vertical, chart_align, chart_category ; string chart_category ; chart_category := "" ; string text_line_color ; text_line_color := "red" ; string cell_line_color ; cell_line_color := "blue" ; string line_line_color ; line_line_color := "green" ; string text_fill_color ; text_fill_color := "white" ; string cell_fill_color ; cell_fill_color := "white" ; numeric text_line_width ; text_line_width := 2pt ; numeric cell_line_width ; cell_line_width := 2pt ; numeric line_line_width ; line_line_width := 2pt ; numeric text_offset ; text_offset := 4pt ; numeric cell_offset ; cell_offset := 4pt ; numeric line_distance ; line_distance := 10pt ; % between line and text numeric line_offset ; line_offset := 4pt ; % between center and start of line numeric line_height ; line_height := 20pt ; numeric cell_distance_y ; cell_distance_y := 20pt ; numeric cell_distance_x ; cell_distance_x := 20pt ; numeric text_distance_set ; text_distance_set := 4pt ; boolean chart_vertical ; chart_vertical := false ; boolean chart_align ; chart_align := false ; numeric nofcells ; nofcells := 0 ; enddef ; def step_cells (expr t, b) = nofcells := nofcells + 1 ; cells_t[nofcells] := texbox.d(chart_category,t) ; cells_b[nofcells] := texbox.d(chart_category,b) ; texts_t[nofcells] := nullpicture ; texts_m[nofcells] := nullpicture ; texts_b[nofcells] := nullpicture ; enddef ; def step_texts (expr t, m, b) = texts_t[nofcells] := texbox.d(chart_category,t) ; texts_m[nofcells] := texbox.d(chart_category,m) ; texts_b[nofcells] := texbox.d(chart_category,b) ; enddef ; def step_begin_cell = nofcells := nofcells + 1 ; cells_t[nofcells] := nullpicture ; cells_b[nofcells] := nullpicture ; texts_t[nofcells] := nullpicture ; texts_m[nofcells] := nullpicture ; texts_b[nofcells] := nullpicture ; enddef ; def step_end_cell = enddef ; % maybe: texbox.d def step_cell_top (expr t, c, f, l, s) = cells_t[nofcells] := texbox.d(chart_category,t) ; cell_top_colors[nofcells] := c ; cell_top_fills [nofcells] := f ; cell_top_lines [nofcells] := l ; cell_top_shapes[nofcells] := s ; enddef ; def step_cell_bot (expr b, c, f, l, s) = cells_b[nofcells] := texbox.d(chart_category,b) ; cell_bot_colors[nofcells] := c ; cell_bot_fills [nofcells] := f ; cell_bot_lines [nofcells] := l ; cell_bot_shapes[nofcells] := s ; enddef ; def step_cell_ali (expr ca, cb, cc, c, f, l, s) = cells_a[nofcells][1] := texbox.d(chart_category,ca) ; cells_a[nofcells][2] := texbox.d(chart_category,cb) ; cells_a[nofcells][3] := texbox.d(chart_category,cc) ; cell_top_colors[nofcells] := c ; cell_top_fills [nofcells] := f ; cell_top_lines [nofcells] := l ; cell_top_shapes[nofcells] := s ; enddef ; def step_text_top (expr t, tc, tf, tl, ts, lc, ll, ls) = texts_t[nofcells] := texbox.d(chart_category,t) ; text_top_colors[nofcells] := tc ; text_top_fills [nofcells] := tf ; text_top_lines [nofcells] := tl ; text_top_shapes[nofcells] := ts ; line_top_colors[nofcells] := lc ; line_top_lines [nofcells] := ll ; line_top_shapes[nofcells] := ls ; enddef ; def step_text_mid (expr m, tc, tf, tl, ts, lc, ll, ls) = texts_m[nofcells] := texbox.d(chart_category,m) ; text_mid_colors[nofcells] := tc ; text_mid_fills [nofcells] := tf ; text_mid_lines [nofcells] := tl ; text_mid_shapes[nofcells] := ts ; line_mid_colors[nofcells] := lc ; line_mid_lines [nofcells] := ll ; line_mid_shapes[nofcells] := ls ; enddef ; def step_text_bot (expr b, tc, tf, tl, ts, lc, ll, ls) = texts_b[nofcells] := texbox.d(chart_category,b) ; text_bot_colors[nofcells] := tc ; text_bot_fills [nofcells] := tf ; text_bot_lines [nofcells] := tl ; text_bot_shapes[nofcells] := ts ; line_bot_colors[nofcells] := lc ; line_bot_lines [nofcells] := ll ; line_bot_shapes[nofcells] := ls ; enddef ; def step_begin_chart = begingroup ; initialize_step_variables ; save nofcells ; numeric nofcells ; nofcells := 0 ; save cells_t, cells_m, cells_b ; picture cells_t[], cells_m[], cells_b[] ; save texts_t, texts_m, texts_b ; picture texts_t[], texts_m[], texts_b[] ; save start_t, start_m, start_b ; numeric start_t[], start_m[], start_b[] ; save cells_a ; picture cells_a[][] ; save cell_top_colors ; string cell_top_colors[] ; save cell_bot_colors ; string cell_bot_colors[] ; save text_top_colors ; string text_top_colors[] ; save text_mid_colors ; string text_mid_colors[] ; save text_bot_colors ; string text_bot_colors[] ; save cell_top_fills ; string cell_top_fills[] ; save cell_bot_fills ; string cell_bot_fills[] ; save text_top_fills ; string text_top_fills[] ; save text_mid_fills ; string text_mid_fills[] ; save text_bot_fills ; string text_bot_fills[] ; save cell_top_lines ; numeric cell_top_lines[] ; save cell_bot_lines ; numeric cell_bot_lines[] ; save text_top_lines ; numeric text_top_lines[] ; save text_mid_lines ; numeric text_mid_lines[] ; save text_bot_lines ; numeric text_bot_lines[] ; save cell_top_shapes ; numeric cell_top_shapes[] ; save cell_bot_shapes ; numeric cell_bot_shapes[] ; save text_top_shapes ; numeric text_top_shapes[] ; save text_mid_shapes ; numeric text_mid_shapes[] ; save text_bot_shapes ; numeric text_bot_shapes[] ; save line_top_lines ; numeric line_top_lines[] ; save line_mid_lines ; numeric line_mid_lines[] ; save line_bot_lines ; numeric line_bot_lines[] ; save line_top_colors ; string line_top_colors[] ; save line_mid_colors ; string line_mid_colors[] ; save line_bot_colors ; string line_bot_colors[] ; save line_top_shapes ; numeric line_top_shapes[] ; save line_mid_shapes ; numeric line_mid_shapes[] ; save line_bot_shapes ; numeric line_bot_shapes[] ; enddef ; def step_end_chart = % we could combine some loops but this is cleaner save dx, delta ; numeric dx, delta ; save p ; path p ; save one_row_only ; boolean one_row_only ; save cell_t, next_t, text_t ; picture cell_t, next_t, text_t ; save cell_m, next_m, text_m ; picture cell_m, next_m, text_m ; save cell_b, next_b, text_b ; picture cell_b, next_b, text_b ; save height_t, width_t, max_height_t, max_width_t ; numeric height_t, width_t, max_height_t, max_width_t ; save height_m, width_m, max_height_m, max_width_m ; numeric height_m, width_m, max_height_m, max_width_m ; save height_b, width_b, max_height_b, max_width_b ; numeric height_b, width_b, max_height_b, max_width_b ; save alternative ; numeric alternative ; % check rows one_row_only := true ; for i=1 upto nofcells : if bbwidth(cells_b[i]) > 0 : one_row_only := false ; fi ; endfor ; % if chart_align : save size, delta, width ; numeric size[], delta[], width[] ; for i=1 upto 3: size[i] = 0 ; for c=1 upto nofcells : size[i] := max(size[i],bbwidth(cells_a[c][i])) ; endfor ; endfor ; for c=1 upto nofcells : cells_t[c] := image ( for i=1 upto 3: width[i] := bbwidth(cells_a[c][i]); delta[i] := size[i] - width[i] ; endfor; setbounds cells_a[c][1] to boundingbox(cells_a[c][1]) leftenlarged (delta[1]) ; setbounds cells_a[c][2] to boundingbox(cells_a[c][2]) leftenlarged (delta[2]/2) rightenlarged(delta[2]/2) ; setbounds cells_a[c][3] to boundingbox(cells_a[c][3]) rightenlarged(delta[3]) ; cells_a[c][1] := cells_a[c][1] shifted (- width[1]/2 - size[2]/2 - text_distance_set,0) ; cells_a[c][3] := cells_a[c][3] shifted ( width[3]/2 + size[2]/2 + text_distance_set,0) ; for i=1 upto 3: draw cells_a[c][i] ; % draw boundingbox cells_a[c][i] ; endfor ; ) ; endfor ; fi ; % swap and rotate if chart_vertical : if one_row_only : % deal with mid_texts max_width_t := max_width_m := max_width_b := 0 ; for i=1 upto nofcells : max_width_t := max(max_width_t,bbwidth(texts_t[i])); max_width_m := max(max_width_m,bbwidth(texts_m[i])); max_width_b := max(max_width_b,bbwidth(texts_b[i])); endfor ; if max_width_m > 0 : for i=1 upto nofcells : text_t := texts_t[i] ; width_t := bbwidth(text_t) ; text_m := texts_m[i] ; width_m := bbwidth(text_m) ; text_b := texts_b[i] ; width_b := bbwidth(text_b) ; if width_t < max_width_t : setbounds text_t to boundingbox text_t leftenlarged (max_width_t - width_t) ; fi ; if width_m < max_width_m : setbounds text_m to boundingbox text_m leftenlarged ((max_width_m - width_m)/2) rightenlarged ((max_width_m - width_m)/2) ; fi ; if width_b < max_width_b : setbounds text_b to boundingbox text_b rightenlarged (max_width_b - width_b) ; fi ; text_t := text_t shifted (- xpart llcorner text_t, 0) ; text_m := text_m shifted (- xpart llcorner text_m, 0) ; text_b := text_b shifted (- xpart llcorner text_b, 0) ; texts_t[i] := image ( draw text_t ; draw text_m shifted (max_width_t + text_distance_set,0) ; draw text_b shifted (max_width_t + max_width_m + 2*text_distance_set,0) ; ) rotated 90 ; texts_m[i] := texts_b[i] := nullpicture ; cells_t[i] := cells_t[i] rotated 90 ; endfor ; else : for i=1 upto nofcells : cells_t[i] := cells_t[i] rotated 90 ; texts_t[i] := texts_t[i] rotated 90 ; texts_b[i] := texts_b[i] rotated 90 ; endfor ; fi ; else : for i=1 upto nofcells : % swaps so we need a scratch variable cell_t := cells_t[i] ; cell_b := cells_b[i] ; cells_t[i] := cell_b rotated 90 ; cells_b[i] := cell_t rotated 90 ; text_t := texts_t[i] ; text_b := texts_b[i] ; texts_t[i] := text_b rotated 90 ; texts_b[i] := text_t rotated 90 ; endfor ; fi ; fi ; % align horizontal for i=1 upto nofcells : width_t := bbwidth(cells_t[i]) ; width_b := bbwidth(cells_b[i]) ; if (width_t = 0) and (width_b = 0) : % skip elseif (width_t > 0) and (width_t < width_b) : delta := (width_b-width_t)/2 ; setbounds cells_t[i] to boundingbox cells_t[i] leftenlarged delta rightenlarged delta ; elseif (width_b > 0) and (width_t > width_b) : delta := (width_t-width_b)/2 ; setbounds cells_b[i] to boundingbox cells_b[i] leftenlarged delta rightenlarged delta ; fi ; endfor ; % analyze vertical max_height_t := 0 ; max_height_b := 0 ; for i=1 upto nofcells : height_t := bbheight(cells_t[i]) ; height_b := bbheight(cells_b[i]) ; if height_t > 0 : setbounds cells_t[i] to boundingbox cells_t[i] enlarged cell_offset ; height_t := height_t + 2 * cell_offset ; fi ; if height_b > 0 : setbounds cells_b[i] to boundingbox cells_b[i] enlarged cell_offset ; height_b := height_b + 2 * cell_offset ; fi ; if height_t > max_height_t : max_height_t := height_t ; fi if height_b > max_height_b : max_height_b := height_b ; fi ; endfor ; % align vertical for i=1 upto nofcells : height_t := bbheight(cells_t[i]) ; height_b := bbheight(cells_b[i]) ; if height_t > 0 : delta := (max_height_t-height_t)/2 ; setbounds cells_t[i] to boundingbox cells_t[i] topenlarged delta bottomenlarged delta ; fi ; if height_b > 0 : delta := (max_height_b-height_b)/2 ; setbounds cells_b[i] to boundingbox cells_b[i] topenlarged delta bottomenlarged delta ; fi ; endfor ; % position dx := 0 ; for i=1 upto nofcells : cells_t[i] := cells_t[i] shifted -llcorner cells_t[i] shifted (dx, 0) ; cells_b[i] := cells_b[i] shifted -llcorner cells_b[i] shifted (dx,-cell_distance_y-max_height_b) ; width_t := bbwidth(cells_t[i]) ; width_b := bbwidth(cells_b[i]) ; if width_t > 0 : dx := dx + cell_distance_x + width_t ; elseif width_b > 0 : dx := dx + cell_distance_x + width_b ; fi ; endfor ; % flush for i=1 upto nofcells : width_t := bbwidth(cells_t[i]) ; width_b := bbwidth(cells_b[i]) ; if width_t > 0 : drawpredefinedshape ( if known cell_top_shapes[i] : cell_top_shapes[i] else : 24 fi, cells_t[i], if known cell_top_lines [i] : cell_top_lines [i] else : cell_line_width fi, if known cell_top_colors[i] : cell_top_colors[i] else : cell_line_color fi, if known cell_top_fills [i] : cell_top_fills [i] else : cell_fill_color fi ) ; draw cells_t[i] ; fi ; if width_b > 0 : drawpredefinedshape ( if known cell_bot_shapes[i] : cell_bot_shapes[i] else : 24 fi, cells_b[i], if known cell_bot_lines [i] : cell_bot_lines [i] else : cell_line_width fi, if known cell_bot_colors[i] : cell_bot_colors[i] else : cell_line_color fi, if known cell_bot_fills [i] : cell_bot_fills [i] else : cell_fill_color fi ) ; draw cells_b[i] ; fi ; endfor ; % def midtopboundary expr p = 0.5[ulcorner boundingbox p, urcorner boundingbox p] enddef ; def midbottomboundary expr p = 0.5[llcorner boundingbox p, lrcorner boundingbox p] enddef ; % draw top and bottom text boxes for i=1 upto nofcells-1 : if bbwidth(texts_t[i]) > 0 : setbounds texts_t[i] to boundingbox texts_t[i] enlarged text_offset ; fi ; if bbwidth(texts_b[i]) > 0 : setbounds texts_b[i] to boundingbox texts_b[i] enlarged text_offset ; fi ; endfor ; % arrows for i=1 upto nofcells-1 : pair t_a, t_b, t_c, b_a, b_b, b_c ; t_a := midtopboundary cells_t[i] ; t_b := midtopboundary cells_t[i+1] ; if one_row_only : b_a := midbottomboundary cells_t[i] ; b_b := midbottomboundary cells_t[i+1] ; else : b_a := midbottomboundary cells_b[i] ; b_b := midbottomboundary cells_b[i+1] ; fi ; t_c := (xpart 0.5[t_a,t_b], ypart t_a+line_height+line_distance) ; b_c := (xpart 0.5[b_a,b_b], ypart b_a-line_height-line_distance) ; texts_t[i] := thelabel.top(texts_t[i],t_c) ; texts_b[i] := thelabel.bot(texts_b[i],b_c) ; endfor ; % for i=1 upto nofcells-1 : % todo arrows when empty text text_t := texts_t[i] ; text_b := texts_b[i] ; cell_t := cells_t[start_t[i]] ; cell_b := cells_b[start_b[i]] ; next_t := cells_t[i+1] ; next_b := cells_b[i+1] ; if bbwidth(text_t) > 0 : if bbwidth(cell_t) > 0 : alternative := if known line_top_shapes[i] : line_top_shapes[i] else : 1 fi ; if alternative <> 0 : if (alternative = 1) or (alternative = 2) or (alternative = 5) or (alternative = 6) : drawarrow elseif (alternative = 3) or (alternative = 7): drawdblarrow else : draw fi if (alternative = 2) or (alternative = 6) : reverse fi ( midtopboundary cell_t shifted (if i > 1 : line_offset else : 0 fi, cell_line_width) {up} .. midbottomboundary text_t shifted (0,-line_distance) .. {down} midtopboundary next_t shifted (if i < nofcells - 1 : -line_offset else : 0 fi,cell_line_width) ) withpen pencircle scaled if known line_top_lines [i] : line_top_lines [i] else : line_line_width fi withcolor if known line_top_colors[i] : line_top_colors[i] else : line_line_color fi if (alternative >= 5) and (alternative <= 8) : dashed evenly scaled ( if known line_top_lines [i] : line_top_lines [i] else : line_line_width fi ) fi ; fi ; fi ; fi ; if bbwidth(text_b) > 0 : if one_row_only : cell_b := cell_t ; next_b := next_t ; fi ; if bbwidth(cell_b) > 0 : alternative := if known line_bot_shapes[i] : line_bot_shapes[i] else : 1 fi ; if alternative <> 0 : if (alternative = 1) or (alternative = 2) or (alternative = 5) or (alternative = 6) : drawarrow elseif (alternative = 3) or (alternative = 7): drawdblarrow else : draw fi if (alternative = 2) or (alternative = 6) : reverse fi ( midbottomboundary cell_b shifted (if i > 1 : line_offset else : 0 fi, -cell_line_width) {down} .. midtopboundary text_b shifted (0, line_distance) .. {up} midbottomboundary next_b shifted (if i < nofcells - 1 : -line_offset else : 0 fi,-cell_line_width) ) withpen pencircle scaled if known line_bot_lines [i] : line_bot_lines [i] else : line_line_width fi withcolor if known line_bot_colors[i] : line_bot_colors[i] else : line_line_color fi if (alternative >= 5) and (alternative <= 8) : dashed evenly scaled ( if known line_top_lines [i] : line_top_lines [i] else : line_line_width fi ) fi ; fi ; fi ; fi ; endfor ; % draw top and bottom text boxes for i=1 upto nofcells-1 : if bbwidth(texts_t[i]) > 0 : drawpredefinedshape ( if known text_top_shapes[i] : text_top_shapes[i] else : 24 fi, texts_t[i], if known text_top_lines [i] : text_top_lines [i] else : text_line_width fi, if known text_top_colors[i] : text_top_colors[i] else : text_line_color fi, if known text_top_fills [i] : text_top_fills [i] else : text_fill_color fi ) ; draw texts_t[i] ; fi ; if bbwidth(texts_b[i]) > 0 : drawpredefinedshape ( if known text_bot_shapes[i] : text_bot_shapes[i] else : 24 fi, texts_b[i], if known text_bot_lines [i] : text_bot_lines [i] else : text_line_width fi, if known text_bot_colors[i] : text_bot_colors[i] else : text_line_color fi, if known text_bot_fills [i] : text_bot_fills [i] else : text_fill_color fi ) ; draw texts_b[i] ; fi ; endfor ; if chart_vertical : % rotate back currentpicture := currentpicture rotated -90 ; fi ; endgroup ; enddef ; % no longer working .. will do someday % % start_begin_step ; % step_cells ("\strut test 0", "\strut test 0") ; % step_cells ("\strut test 1", "\vbox{\hsize3cm \strut oeps 1\crlf oeps 1}") ; % step_texts ("\strut 1", "\strut 1") ; % step_cells ("\strut test 2", "\strut oeps 2 oeps 2") ; % step_cells ("\strut test X", "\strut test X") ; % step_texts ("\strut 2", "\strut 2") ; % step_cells ("\strut test 3", "\strut oeps 3 oeps 3") ; % step_texts ("\strut 3", "\strut 3") ; % step_cells ("\strut test 4", "\strut oeps 4 oeps 4") ; % step_texts ("\strut 4", "\strut 4") ; % stop_end_chart ;