X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=ps%2Fmusic-drawing-routines.ps;h=ccaf6b3dcc55195fcfe5fc0172f3300801108653;hb=ee5919c085b841bae3f4f323a5007321f660f47c;hp=d2f3bac4c62e2c56ff48f2e25e440278d262fe03;hpb=9f20df172e374793d1813882e3a793df6cd24673;p=lilypond.git diff --git a/ps/music-drawing-routines.ps b/ps/music-drawing-routines.ps index d2f3bac4c6..ccaf6b3dcc 100644 --- a/ps/music-drawing-routines.ps +++ b/ps/music-drawing-routines.ps @@ -2,330 +2,282 @@ % % Functions for direct and embedded PostScript -/blot-diameter { lilypondpaperblotdiameter } bind def +% Careful with double % as comment prefix. +% Any %%X comment is interpreted as DSC comments. -/set_tex_dimen { - cvr def -} bind def +% TODO: use dicts or prefixes to prevent namespace pollution. -/euclidean_length -{ - 1 copy mul exch 1 copy mul add sqrt -} bind def +/pdfmark where +{pop} {userdict /pdfmark /cleartomark load put} ifelse -% FIXME. translate to middle of box. -% Nice rectangle with rounded corners -/draw_box % breapth width depth height -{ - currentdict /testing known { - %% real thin lines for testing - /blot 0.005 def - }{ - /blot blot-diameter def - } ifelse - 0 setlinecap - blot setlinewidth - 1 setlinejoin - - blot 2 div sub /h exch def - blot 2 div sub /d exch def - blot 2 div sub /w exch def - blot 2 div sub /b exch def +% llx lly urx ury URI +/mark_URI +{ + /uri exch def + /ury exch def + /urx exch def + /lly exch def + /llx exch def + [ + /Rect [ llx lly urx ury ] + + /Border [ 0 0 0 ] + + /Action + << + /Subtype /URI + /URI uri + >> + /Subtype /Link + /ANN + pdfmark +} +bind def + +% from adobe tech note 5002. +/BeginEPSF { %def + /b4_Inc_state save def % Save state for cleanup + /dict_count countdictstack def % Count objects on dict stack + /op_count count 1 sub def % Count objects on operand stack + userdict begin % Push userdict on dict stack + /showpage { } def % Redefine showpage, { } = null proc + 0 setgray 0 setlinecap % Prepare graphics state + 1 setlinewidth 0 setlinejoin + 10 setmiterlimit [ ] 0 setdash newpath + /languagelevel where % If level not equal to 1 then + {pop languagelevel % set strokeadjust and + 1 ne % overprint to their defaults. + {false setstrokeadjust false setoverprint + } if + } if +} bind def - b neg d neg moveto - b w add 0 rlineto - 0 d h add rlineto - b w add neg 0 rlineto - 0 d h add neg rlineto +/EndEPSF { %def + count op_count sub {pop} repeat % Clean up stacks + countdictstack dict_count sub {end} repeat + b4_Inc_state restore +} bind def - currentdict /testing known { - %% outline only, for testing: +/stroke_and_fill { + gsave stroke - }{ - closepath gsave stroke grestore fill - } ifelse + grestore + fill } bind def -% Nice beam with rounded corners -/draw_beam % slope width thick -{ - currentdict /testing known { - %% real thin lines for testing - /blot 0.005 def - }{ - /blot blot-diameter def - } ifelse - blot setlinewidth +/vector_add { % x1 y1 x2 y2 vector_add x1+x2 y1+y2 + exch + 4 1 roll + add + 3 1 roll + add + exch +} bind def - 0 setlinecap +/draw_round_box % width height x y blot +{ + setlinewidth % w h x y + 0 setlinecap 1 setlinejoin - blot sub /t exch def - blot sub /w exch def - w mul /h exch def + rmoveto % w h + currentpoint % w h x1 y1 + 4 2 roll % x1 y1 w h + 4 copy + rectfill + rectstroke +} bind def - blot 2 div t 2 div neg moveto - w h rlineto - 0 t rlineto - w neg h neg rlineto - 0 t neg rlineto +/draw_polygon % fill? x(n) y(n) x(n-1) y(n-1) ... x(0) y(0) n blot +{ + setlinewidth %set to blot - currentdict /testing known { - %% outline only, for testing: - stroke + 0 setlinecap + 1 setlinejoin + + 3 1 roll + /polygon_x + currentpoint + /polygon_y exch def + def + rmoveto % x(0) y(0) + { polygon_x polygon_y vector_add lineto } repeat % n times + closepath + { %fill? + stroke_and_fill }{ - closepath gsave stroke grestore fill + stroke } ifelse -} bind def +} bind def -/draw_repeat_slash % width slope thick +/draw_repeat_slash % x-width width height draw_repeat_slash { + 2 index % duplicate x-width 1 setlinecap 1 setlinejoin - - /beamthick exch def - /slope exch def - /width exch def - beamthick beamthick slope div euclidean_length - /xwid exch def - 0 0 moveto - xwid 0 rlineto - width slope width mul rlineto - xwid neg 0 rlineto - % width neg width angle sin mul neg rlineto + + 0 rlineto % x-width 0 + rlineto % width height + neg 0 rlineto % -x-width 0 closepath fill } bind def -/draw_hairpin % width start_h end_h thick +% this is for drawing slurs and barre-indicators. +/draw_bezier_sandwich % x5 y5 x6 y6 x7 y7 + % x4 y4 + % x1 y1 x2 y2 x3 y3 + % x0 y0 + % linewidth draw_bezier_sandwich { - 1 setlinecap - 1 setlinejoin - + gsave + currentpoint translate + % round ending and round beginning + 1 setlinejoin 1 setlinecap setlinewidth - /end_h exch def - /start_h exch def - /wid exch def - 0 start_h moveto - wid end_h lineto - stroke - 0 start_h neg moveto - wid end_h neg lineto - stroke + moveto + curveto + lineto + curveto + closepath + stroke_and_fill + grestore } bind def -/draw_tuplet % height gap dx dy thick dir -{ - 1 setlinecap - 1 setlinejoin - - /dir exch def - setlinewidth - /tuplet_dy exch def - /tuplet_dx exch def - /tuplet_gapx exch def - /tuplet_h exch def - tuplet_dy tuplet_dx div tuplet_gapx mul /tuplet_gapy exch def - - - 0 tuplet_h neg dir mul moveto - 0 0 lineto - tuplet_dx tuplet_gapx sub 2 div - tuplet_dy tuplet_gapy sub 2 div lineto - tuplet_dx tuplet_gapx add 2 div - tuplet_dy tuplet_gapy add 2 div moveto - tuplet_dx tuplet_dy lineto - tuplet_dx tuplet_dy tuplet_h dir neg mul add lineto - stroke -} bind def - -/draw_ez_ball % ch letter_col ball_col font +/draw_dot % radius x y draw_dot { - % font - findfont 0.7 scalefont setfont - 0.1 setlinewidth - 0 0 moveto - 0 setgray - 0.5 0 0.5 0 360 arc closepath fill stroke - % ball_col - 1 eq { - 0.01 setlinewidth - 1 setgray - 0.5 0 0.4 0 360 arc closepath - fill stroke - } if - % letter_col - setgray - % 0.25 is empiric centering. Change to taste - 0.25 -0.25 moveto - % ch - show + rmoveto + currentpoint + 3 2 roll + 0 360 arc closepath stroke_and_fill } bind def -% Simple, but does it work everywhere? -% Han-Wen reports that one printer (brand?) at cs.uu.nl chokes on this, -% reverted for now -- jcn -% -% The filled circles are drawn by setting the linewidth -% to 2*radius and drawing a point. -/simple_draw_ez_ball % ch letter_col ball_col font +/draw_circle % filled? radius thickness draw_circle { - % font - findfont 0.85 scalefont setfont - /origin { 0.45 0 } def - 0 setgray - 1.1 setlinewidth - origin moveto - origin lineto stroke - % ball_col - setgray - 0.9 setlinewidth - origin moveto - origin lineto stroke - % letter_col - setgray - % 0.25 is empiric centering. Change to taste - origin moveto - -0.28 -0.30 rmoveto - % ch - show + setlinewidth % f? r + currentpoint % f? r x0 y0 + 3 2 roll % f? x0 y0 r + dup 0 rmoveto + 0 360 arc closepath + { stroke_and_fill } + { stroke } + ifelse } bind def -/draw_volta % h w thick vert_start vert_end -{ - 1 setlinecap - 1 setlinejoin - - /vert_end exch def - /vert_start exch def - setlinewidth - /volta_w exch def - /volta_h exch def - vert_start 0 eq { - 0 0 moveto - 0 volta_h lineto - } if - 0 volta_h moveto - volta_w volta_h lineto - vert_end 0 eq { - volta_w 0 lineto - } if - stroke -} bind def - -% this is for drawing slurs. -/draw_bezier_sandwich % thickness controls -{ - setlinewidth - moveto - curveto - lineto - curveto - gsave - fill - grestore - stroke -} bind def - -/draw_dashed_line % dash thickness dx dy -{ - 1 setlinecap - 1 setlinejoin - setdash - setlinewidth - 0 0 moveto - lineto - stroke -} bind def - -/draw_dashed_slur % dash thickness controls -{ - 1 setlinecap - 1 setlinejoin - setdash - setlinewidth - 8 -2 roll - moveto - curveto - stroke -} bind def - - - -/bracket_traject -{ - /traject_ds exch def - /traject_alpha exch def - traject_ds traject_alpha sin mul add - exch - traject_ds traject_alpha cos mul add - exch -} bind def - - +/draw_oval % filled? x-radius y-radius thickness draw_ellipse +{ + setlinewidth % f? x-r y-r + /yrad exch def + /xrad exch def + xrad 0 rmoveto + 0 yrad -2 xrad mul dup yrad exch 0 rcurveto + 0 yrad neg dup 2 xrad mul dup 3 1 roll 0 rcurveto + closepath + { stroke_and_fill} + { stroke } + ifelse +} bind def -/half_bracket -{ -%6 - 0 0 -%5a - bracket_thick arch_height add half_height arch_thick sub arch_width add - arch_angle arch_height -0.15 mul bracket_traject -%5b - bracket_thick 0.5 mul half_height - 0 arch_height 0.5 mul bracket_traject -%5c - 0 half_height -%4a - bracket_thick half_height arch_thick sub - 0 arch_height 0.4 mul bracket_traject -%4b - bracket_thick arch_height add half_height arch_thick sub arch_width add - arch_angle arch_height -0.25 mul bracket_traject -%4c - bracket_thick arch_height add half_height arch_thick sub arch_width add -%3 - bracket_thick half_height arch_thick sub -%2 - bracket_thick 0 -%1 - 0 0 -} bind def +/draw_ellipse % filled? x-radius y-radius thickness draw_ellipse +{ + setlinewidth % f? x-r y-r + /savematrix matrix currentmatrix def + scale % f? + currentpoint + 1 0 rmoveto + 1 0 360 arc closepath + savematrix setmatrix + { stroke_and_fill} + { stroke } + ifelse +} bind def -/draw_half_bracket { - moveto - lineto - lineto - curveto - curveto - lineto - gsave - fill - grestore -} bind def +/draw_partial_ellipse % filled connect x-radius y-radius startangle endangle thickness draw_partial_ellipse +% Note that filled is not boolean to permit for different graylevels (ie for trill keys) +{ + gsave + currentpoint translate + /thickness exch def + /endangle exch def + /startangle exch def + /y_radius exch def + /x_radius exch def + /endrad x_radius y_radius mul + x_radius x_radius mul + endangle cos endangle cos mul mul + y_radius y_radius mul + endangle sin endangle sin mul mul add sqrt div def + /endangle endangle sin endrad mul y_radius div + endangle cos endrad mul x_radius div atan def + /startrad x_radius y_radius mul + x_radius x_radius mul + startangle cos startangle cos mul mul + y_radius y_radius mul + startangle sin startangle sin mul mul add sqrt div def + /startangle startangle sin startrad mul y_radius div + startangle cos startrad mul x_radius div atan def + /connect exch def + /filled exch def + /savematrix matrix currentmatrix def + thickness setlinewidth + x_radius y_radius scale + startangle cos startangle sin moveto + 0 0 1 startangle + startangle endangle eq { endangle 360 add } { endangle } ifelse + arc + connect { + startangle cos startangle sin moveto endangle cos endangle sin lineto } + if + savematrix setmatrix filled { stroke_and_fill } { stroke } ifelse + grestore +} bind def -/draw_bracket % arch_angle arch_width arch_height bracket_height arch_thick bracket_thick -{ - % urg +/draw_line % dx dy x1 y1 thickness draw_line +{ + setlinewidth % dx dy x1 y1 + 1 setlinecap + 1 setlinejoin + rmoveto % dx dy + rlineto + stroke +} bind def - /bracket_thick exch def - /arch_thick exch def - /bracket_height exch def - /arch_height exch def - /arch_width exch def - /arch_angle exch def +/draw_dashed_line % dx dy thickness dashpattern offset draw_dashed_line +{ + 1 setlinecap + 1 setlinejoin + setdash % dx dy thickness + setlinewidth %dx dy + rlineto + stroke + [] 0 setdash % reset dash pattern +} bind def - bracket_height 2 div bracket_thick add /half_height exch def - bracket_thick 0.5 mul setlinewidth - 1 setlinecap - 1 setlinejoin - half_bracket - 20 copy - 1 -1 scale - draw_half_bracket - stroke - 1 -1 scale - draw_half_bracket - stroke -} bind def +/draw_dashed_slur % controls thickness dash +{ +gsave + currentpoint translate + 1 setlinecap + 1 setlinejoin + setdash + setlinewidth + 8 2 roll + moveto + curveto + stroke +grestore +} bind def +/print_glyphs % w dx dy glyph print_glyphs +{ + { + currentpoint %w dx dy glyph x0 y0 + 5 2 roll %w x0 y0 dx dy glyph + 3 1 roll %w x0 y0 glyph dx dy + rmoveto %w x0 y0 glyph + glyphshow %w x0 y0 + moveto %w + 0 rmoveto + }repeat +}bind def +%end music-drawing-routines.ps