X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=ps%2Fmusic-drawing-routines.ps;h=762657508449c1ef4cff795575fc9be9dc26f26b;hb=bb91de5b7f8c4f753452730101c2422946067cc3;hp=36d16ce38301e7a939639fa90a6ffa4cf8e2fd02;hpb=3f383278764e642a98e15291eae5a6e946beca20;p=lilypond.git diff --git a/ps/music-drawing-routines.ps b/ps/music-drawing-routines.ps index 36d16ce383..7626575084 100644 --- a/ps/music-drawing-routines.ps +++ b/ps/music-drawing-routines.ps @@ -2,242 +2,132 @@ % % Functions for direct and embedded PostScript +% Careful with double % as comment prefix. +% Any %%X comment is interpreted as DSC comments. + +% TODO: use dicts or prefixes to prevent namespace pollution. /pdfmark where {pop} {userdict /pdfmark /cleartomark load put} ifelse -% llx lly urx ury command -/mark_file_line +% llx lly urx ury URI +/mark_URI { - /command exch def + /uri exch def /ury exch def /urx exch def /lly exch def /llx exch def [ /Rect [ llx lly urx ury ] - /Border [ 0 0 0 0 ] -% /Action /Launch -% /File command - /Action << - /Subtype /URI - /URI command - >> - + + /Border [ 0 0 0 ] + + /Action + << + /Subtype /URI + /URI uri + >> /Subtype /Link /ANN pdfmark } bind def -/set_tex_dimen { - cvr def -} bind def - - - -/euclidean_length -{ - 1 copy mul exch 1 copy mul add sqrt +% 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 -% 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 +/EndEPSF { %def + count op_count sub {pop} repeat % Clean up stacks + countdictstack dict_count sub {end} repeat + b4_Inc_state restore +} bind def - 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 - - 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 - - currentdict /testing known { - %% outline only, for testing: +/stroke_and_fill { + gsave stroke - }{ - closepath gsave stroke grestore fill - } ifelse + grestore + fill } bind def - -/draw_round_box % breapth width depth height blot -{ - /blot exch def - - 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 - - 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 - - currentdict /testing known { - %% outline only, for testing: - stroke - }{ - closepath gsave stroke grestore fill - } ifelse +/vector_add { % x1 y1 x2 y2 vector_add x1+x2 y1+y2 + exch + 4 1 roll + add + 3 1 roll + add + exch } bind def -% Nice beam with rounded corners -/draw_beam % slope width thick blot +/draw_round_box % width height x y blot { - /blot exch def - blot setlinewidth - - 0 setlinecap + setlinewidth % w h x y + 0 setlinecap 1 setlinejoin - blot sub /t exch def - blot sub /w exch def - w mul /h exch def - - blot 2 div t 2 div neg moveto - w h rlineto - 0 t rlineto - w neg h neg rlineto - 0 t neg rlineto - - currentdict /testing known { - %% outline only, for testing: - stroke - }{ - closepath gsave stroke grestore fill - } ifelse + rmoveto % w h + currentpoint % w h x1 y1 + 4 2 roll % x1 y1 w h + 4 copy + rectfill + rectstroke } bind def -/draw_polygon % x(n) y(n) x(n-1) y(n-1) ... x(1) y(1) n blot +/draw_polygon % fill? x(n) y(n) x(n-1) y(n-1) ... x(0) y(0) n blot { - /blot exch def + setlinewidth %set to blot 0 setlinecap - blot setlinewidth 1 setlinejoin - /points exch def - 2 copy - moveto - 1 1 points {pop lineto} for - currentdict /testing known { - %% outline only, for testing: - stroke + 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 -/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_white_text % text scale font -{ - %font - findfont - %scale - exch scalefont setfont - 1 setgray - 0 0 moveto - %-0.05 -0.05 moveto - % text - show -} bind def - -/draw_ez_ball % ch letter_col ball_col font -{ - % 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 -} 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 -{ - % 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 -} bind def - -% this is for drawing slurs. +% this is for drawing slurs and barre-indicators. /draw_bezier_sandwich % thickness controls { + gsave + currentpoint translate % round ending and round beginning 1 setlinejoin 1 setlinecap setlinewidth @@ -246,173 +136,102 @@ bind def lineto curveto closepath - gsave - fill + stroke_and_fill grestore - stroke } bind def -/draw_dot % x1 y2 R +/draw_dot % radius x y draw_dot { -% 0 360 arc fill stroke - 0 360 arc closepath fill stroke + rmoveto + currentpoint + 3 2 roll + 0 360 arc closepath stroke_and_fill } bind def -/draw_white_dot % x1 y2 R +/draw_circle % filled? radius thickness draw_circle { -% 0 360 arc fill stroke - 0 360 arc closepath % fill stroke -gsave - 1 setgray fill -grestore -% 0 360 arc closepath % fill stroke - 0.05 setlinewidth 0 setgray stroke + 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_dashed_line % dash thickness dx dy +/draw_oval % filled? x-radius y-radius thickness draw_ellipse { - 1 setlinecap - 1 setlinejoin - setdash - setlinewidth - 0 0 moveto - lineto - stroke + 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 -/draw_dashed_slur % dash thickness controls +/draw_ellipse % filled? x-radius y-radius thickness draw_ellipse { - 1 setlinecap - 1 setlinejoin - setdash - setlinewidth - 8 -2 roll - moveto - curveto - stroke -} bind def - - -% a b c d subvec == a-c b-d -/subvec { - 3 2 roll exch sub - 3 1 roll - sub exch -} bind def - - -% centre? zzwidth zzheight thickness x0 y0 x1 y1 -/draw_zigzag_line { - newpath - 6 dict begin - - 4 2 roll % zzuw zzh th x1 y1 x0 y0 - 2 copy - moveto - subvec % zzuw zzh th dx dy - - 2 copy euclidean_length /l exch def - l div /uy exch def - l div /ux exch def - setlinewidth - /zzh exch def - l exch div round /n exch def - n 0 gt { %if - /zzw l n 2 mul div def - { - uy zzh mul 2 div ux zzh mul -2 div rmoveto - } if - 1 1 n { - ux zzw mul uy zzh mul sub - uy zzw mul ux zzh mul add - rlineto - ux zzw mul uy zzh mul add - uy zzw mul ux zzh mul sub - rlineto - } bind for - }{ %else - pop - ux l mul uy l mul rlineto - } ifelse - stroke - end + 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 -/bracket_traject +/draw_line % dx dy x1 y1 thickness draw_line { - /traject_ds exch def - /traject_alpha exch def - traject_ds traject_alpha sin mul add - exch - traject_ds traject_alpha cos mul add - exch + setlinewidth % dx dy x1 y1 + 1 setlinecap + 1 setlinejoin + rmoveto % dx dy + rlineto + stroke } bind def - - -/half_bracket +/draw_dashed_line % dx dy thickness dashpattern offset draw_dashed_line { -%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_half_bracket { - moveto - lineto - lineto - curveto - curveto - lineto - gsave - fill - grestore + 1 setlinecap + 1 setlinejoin + setdash % dx dy thickness + setlinewidth %dx dy + rlineto + stroke + [] 0 setdash % reset dash pattern } bind def -/draw_bracket % arch_angle arch_width arch_height bracket_height arch_thick bracket_thick +/draw_dashed_slur % controls thickness dash { - % urg - - /bracket_thick exch def - /arch_thick exch def - /bracket_height exch def - /arch_height exch def - /arch_width exch def - /arch_angle exch def - - bracket_height 2 div bracket_thick add /half_height exch def - bracket_thick 0.5 mul setlinewidth +gsave + currentpoint translate 1 setlinecap 1 setlinejoin - half_bracket - 20 copy - 1 -1 scale - draw_half_bracket - stroke - 1 -1 scale - draw_half_bracket + setdash + setlinewidth + 8 2 roll + moveto + curveto stroke +grestore } bind def +/print_glyphs % dx dy glyph print_glyphs +{ + { + currentpoint %dx dy glyph x0 y0 + 3 2 roll %dx dy x0 y0 glyph + glyphshow % dx dy x0 y0 + moveto % dx dy + rmoveto + }repeat +}bind def %end music-drawing-routines.ps