1 %!PS-Adobe-1.0: music-drawing-routines.ps
3 % Functions for direct and embedded PostScript
5 /blot-diameter { lilypondpaperblotdiameter } bind def
7 % fucking redhat xdvi patch.
8 /skeel { scale } bind def
17 1 copy mul exch 1 copy mul add sqrt
20 /skeel { scale } bind def
21 % FIXME. translate to middle of box.
22 % Nice rectangle with rounded corners
23 /draw_box % breapth width depth height
25 currentdict /testing known {
26 %% real thin lines for testing
29 /blot blot-diameter def
36 blot 2 div sub /h exch def
37 blot 2 div sub /d exch def
38 blot 2 div sub /w exch def
39 blot 2 div sub /b exch def
47 currentdict /testing known {
48 %% outline only, for testing:
51 closepath gsave stroke grestore fill
55 /draw_round_box % breapth width depth height blot
63 blot 2 div sub /h exch def
64 blot 2 div sub /d exch def
65 blot 2 div sub /w exch def
66 blot 2 div sub /b exch def
74 currentdict /testing known {
75 %% outline only, for testing:
78 closepath gsave stroke grestore fill
82 % Nice beam with rounded corners
83 /draw_beam % slope width thick
85 currentdict /testing known {
86 %% real thin lines for testing
89 /blot blot-diameter def
100 blot 2 div t 2 div neg moveto
106 currentdict /testing known {
107 %% outline only, for testing:
110 closepath gsave stroke grestore fill
114 /draw_repeat_slash % width slope thick
122 beamthick beamthick slope div euclidean_length
126 width slope width mul rlineto
128 % width neg width angle sin mul neg rlineto
133 /draw_ez_ball % ch letter_col ball_col font
136 findfont 0.7 scalefont setfont
140 0.5 0 0.5 0 360 arc closepath fill stroke
145 0.5 0 0.4 0 360 arc closepath
150 % 0.25 is empiric centering. Change to taste
156 % Simple, but does it work everywhere?
157 % Han-Wen reports that one printer (brand?) at cs.uu.nl chokes on this,
158 % reverted for now -- jcn
160 % The filled circles are drawn by setting the linewidth
161 % to 2*radius and drawing a point.
162 /simple_draw_ez_ball % ch letter_col ball_col font
165 findfont 0.85 scalefont setfont
166 /origin { 0.45 0 } def
178 % 0.25 is empiric centering. Change to taste
185 % this is for drawing slurs.
186 /draw_bezier_sandwich % thickness controls
201 % 0 360 arc fill stroke
202 0 360 arc closepath fill stroke
205 /draw_dashed_line % dash thickness dx dy
216 /draw_dashed_slur % dash thickness controls
233 /traject_alpha exch def
234 traject_ds traject_alpha sin mul add
236 traject_ds traject_alpha cos mul add
247 bracket_thick arch_height add half_height arch_thick sub arch_width add
248 arch_angle arch_height -0.15 mul bracket_traject
250 bracket_thick 0.5 mul half_height
251 0 arch_height 0.5 mul bracket_traject
255 bracket_thick half_height arch_thick sub
256 0 arch_height 0.4 mul bracket_traject
258 bracket_thick arch_height add half_height arch_thick sub arch_width add
259 arch_angle arch_height -0.25 mul bracket_traject
261 bracket_thick arch_height add half_height arch_thick sub arch_width add
263 bracket_thick half_height arch_thick sub
282 /draw_bracket % arch_angle arch_width arch_height bracket_height arch_thick bracket_thick
286 /bracket_thick exch def
288 /bracket_height exch def
289 /arch_height exch def
293 bracket_height 2 div bracket_thick add /half_height exch def
294 bracket_thick 0.5 mul setlinewidth