X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=ps%2Fmusic-drawing-routines.ps;h=c6f4423615f8f4ea1715b3400e9f1695c3594f28;hb=5c14a087ca6cbd665fd631452b7b1283ba0387c3;hp=a2e74c35bfc238f5f4b4fd37985bee978982c8b9;hpb=136bdc3c4835942f396d57ac78df71d97c43d3e8;p=lilypond.git diff --git a/ps/music-drawing-routines.ps b/ps/music-drawing-routines.ps index a2e74c35bf..c6f4423615 100644 --- a/ps/music-drawing-routines.ps +++ b/ps/music-drawing-routines.ps @@ -2,12 +2,39 @@ % % 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. +% TODO: use dicts or prefixes to prevent namespace pollution. /pdfmark where {pop} {userdict /pdfmark /cleartomark load put} ifelse + +% 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 @@ -26,245 +53,86 @@ } if } bind def - /EndEPSF { %def count op_count sub {pop} repeat % Clean up stacks countdictstack dict_count sub {end} repeat b4_Inc_state restore } bind def -% llx lly urx ury URI -/mark_URI -{ - /command 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 - << - /Subtype /URI - /URI command - >> - /Subtype /Link - /ANN - pdfmark -} -bind def - /set_tex_dimen { cvr def } bind def - - -/euclidean_length -{ - 1 copy mul exch 1 copy mul add sqrt -} 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 - - 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 +/vector_add { % x1 y1 x2 y2 vector_add x1+x2 y1+y2 + exch + 4 1 roll + add + 3 1 roll + add + exch +} bind def -/draw_round_box % breapth width depth height blot +/draw_round_box % width height x y blot { - /blot exch def - + setlinewidth % w h x y 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 + rmoveto % w h + currentpoint % w h x1 y1 + 4 2 roll % x1 y1 w h + 4 copy + rectfill + rectstroke } bind def -% Nice beam with rounded corners -/draw_beam % slope width thick blot +/draw_polygon % fill? x(n) y(n) x(n-1) y(n-1) ... x(0) y(0) n blot { - /blot exch def - blot setlinewidth - - 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 -} bind def - -/draw_polygon % x(n) y(n) x(n-1) y(n-1) ... x(1) y(1) n blot fill -{ - /fillp exch def - /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 + 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 - fillp { - gsave stroke grestore fill + { %fill? + stroke_and_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 @@ -273,184 +141,102 @@ 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_circle % R T F +/draw_circle % filled? radius thickness draw_circle { - /filled exch def - setlinewidth - dup 0 moveto - 0 exch 0 exch + setlinewidth % f? r + currentpoint % f? r x0 y0 + 3 2 roll % f? x0 y0 r + dup 0 rmoveto 0 360 arc closepath - gsave stroke grestore - filled { fill } if + { stroke_and_fill } + { stroke } + ifelse } bind def -/draw_white_dot % x1 y2 R +/draw_oval % filled? x-radius y-radius thickness draw_ellipse { -% 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? 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_line % dash thickness dx dy +/draw_ellipse % 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 + /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_dashed_slur % dash thickness controls +/draw_line % dx dy x1 y1 thickness draw_line { + setlinewidth % dx dy x1 y1 1 setlinecap 1 setlinejoin - setdash - setlinewidth - 8 -2 roll - moveto - curveto + rmoveto % dx dy + rlineto 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 -} bind def - -/bracket_traject +/draw_dashed_line % dx dy thickness dashpattern offset draw_dashed_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 -} 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_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