1 %!PS-Adobe-1.0: music-drawing-routines.ps
3 % Functions for direct and embedded PostScript
14 1 copy mul exch 1 copy mul add sqrt
17 % FIXME. translate to middle of box.
18 % Nice rectangle with rounded corners
19 /draw_box % breapth width depth height
21 % currentdict /testing known {
22 %% real thin lines for testing
25 % /blot blot-diameter def
32 blot 2 div sub /h exch def
33 blot 2 div sub /d exch def
34 blot 2 div sub /w exch def
35 blot 2 div sub /b exch def
43 currentdict /testing known {
44 %% outline only, for testing:
47 closepath gsave stroke grestore fill
52 /draw_symmetric_x_triangle % h w th
63 /draw_round_box % breapth width depth height blot
71 blot 2 div sub /h exch def
72 blot 2 div sub /d exch def
73 blot 2 div sub /w exch def
74 blot 2 div sub /b exch def
82 currentdict /testing known {
83 %% outline only, for testing:
86 closepath gsave stroke grestore fill
90 % Nice beam with rounded corners
91 /draw_beam % slope width thick blot
103 blot 2 div t 2 div neg moveto
109 currentdict /testing known {
110 %% outline only, for testing:
113 closepath gsave stroke grestore fill
117 /draw_polygon % x(n) y(n) x(n-1) y(n-1) ... x(1) y(1) n blot
128 1 1 points {pop lineto} for
129 currentdict /testing known {
130 %% outline only, for testing:
133 closepath gsave stroke grestore fill
137 /draw_repeat_slash % width slope thick
145 beamthick beamthick slope div euclidean_length
149 width slope width mul rlineto
151 % width neg width angle sin mul neg rlineto
156 /draw_ez_ball % ch letter_col ball_col font
159 findfont 0.7 scalefont setfont
163 0.5 0 0.5 0 360 arc closepath fill stroke
168 0.5 0 0.4 0 360 arc closepath
173 % 0.25 is empiric centering. Change to taste
179 % Simple, but does it work everywhere?
180 % Han-Wen reports that one printer (brand?) at cs.uu.nl chokes on this,
181 % reverted for now -- jcn
183 % The filled circles are drawn by setting the linewidth
184 % to 2*radius and drawing a point.
185 /simple_draw_ez_ball % ch letter_col ball_col font
188 findfont 0.85 scalefont setfont
189 /origin { 0.45 0 } def
201 % 0.25 is empiric centering. Change to taste
208 % this is for drawing slurs.
209 /draw_bezier_sandwich % thickness controls
211 % round ending and round beginning
212 1 setlinejoin 1 setlinecap
227 % 0 360 arc fill stroke
228 0 360 arc closepath fill stroke
231 /draw_dashed_line % dash thickness dx dy
242 /draw_dashed_slur % dash thickness controls
255 % a b c d subvec == a-c b-d
263 % centre? zzwidth zzheight thickness x0 y0 x1 y1
268 4 2 roll % zzuw zzh th x1 y1 x0 y0
271 subvec % zzuw zzh th dx dy
273 2 copy euclidean_length /l exch def
278 l exch div round /n exch def
280 /zzw l n 2 mul div def
282 uy zzh mul 2 div ux zzh mul -2 div rmoveto
285 ux zzw mul uy zzh mul sub
286 uy zzw mul ux zzh mul add
288 ux zzw mul uy zzh mul add
289 uy zzw mul ux zzh mul sub
294 ux l mul uy l mul rlineto
303 /traject_alpha exch def
304 traject_ds traject_alpha sin mul add
306 traject_ds traject_alpha cos mul add
317 bracket_thick arch_height add half_height arch_thick sub arch_width add
318 arch_angle arch_height -0.15 mul bracket_traject
320 bracket_thick 0.5 mul half_height
321 0 arch_height 0.5 mul bracket_traject
325 bracket_thick half_height arch_thick sub
326 0 arch_height 0.4 mul bracket_traject
328 bracket_thick arch_height add half_height arch_thick sub arch_width add
329 arch_angle arch_height -0.25 mul bracket_traject
331 bracket_thick arch_height add half_height arch_thick sub arch_width add
333 bracket_thick half_height arch_thick sub
352 /draw_bracket % arch_angle arch_width arch_height bracket_height arch_thick bracket_thick
356 /bracket_thick exch def
358 /bracket_height exch def
359 /arch_height exch def
363 bracket_height 2 div bracket_thick add /half_height exch def
364 bracket_thick 0.5 mul setlinewidth
377 %end music-drawing-routines.ps