-%!PS-Adobe-1.0: lily.ps
+%!PS-Adobe-1.0: music-drawing-routines.ps
%
% Functions for direct and embedded PostScript
-% round cappings
-1 setlinecap
-
-/euclidean_length
-{
- 1 copy mul exch 1 copy mul add sqrt
-} bind def
-
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-{
- 2 div /beam_thick exch def
- /beam_slope exch def
- /beam_wd exch def
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- 0 beam_thick neg moveto
- beam_wd beam_ht rlineto
- 0 beam_thick 2 mul rlineto
- 0 beam_thick lineto
- closepath fill
-} bind def
-/draw_repeat_slash % width slope thick
+/pdfmark where
+{pop} {userdict /pdfmark /cleartomark load put} ifelse
+
+
+% llx lly urx ury command
+/mark_file_line
{
- /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
- closepath fill
+ /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 /Launch
+% /File command
+ /Action <<
+ /Subtype /URI
+ /URI command
+ >>
+
+ /Subtype /Link
+ /ANN
+ pdfmark
+}
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+ cvr def
} bind def
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+
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{
- setlinewidth
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- /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
+ 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
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+ 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
+} bind def
+
+
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+{
+ /blot exch def
+
+ 0 setlinecap
+ blot setlinewidth
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+ 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
+} bind def
+
+% Nice beam with rounded corners
+/draw_beam % slope width thick 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
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+/draw_polygon % x(n) y(n) x(n-1) y(n-1) ... x(1) y(1) n blot
+{
+ /blot exch def
+
+ 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
+ }{
+ closepath gsave stroke grestore fill
+ } ifelse
} bind def
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-{
- /dir exch def
- setlinewidth
- 1 setlinecap
- 1 setlinejoin
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- /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 0 moveto
- 0 tuplet_h dir mul lineto
- tuplet_dx tuplet_gapx sub 2 div
- tuplet_dy tuplet_gapy sub 2 div tuplet_h dir mul add lineto
- tuplet_dx tuplet_gapx add 2 div
- tuplet_dy tuplet_gapy add 2 div tuplet_h dir mul add moveto
- tuplet_dx tuplet_dy tuplet_h dir mul add lineto
- tuplet_dx tuplet_dy lineto
- stroke
-} bind def
+/draw_repeat_slash % width slope thick
+{
+ 1 setlinecap
+ 1 setlinejoin
+
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+ /slope exch def
+ /width exch def
+ beamthick beamthick slope div euclidean_length
+ /xwid exch def
+ 0 0 moveto
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+ width slope width mul rlineto
+ xwid neg 0 rlineto
+ % width neg width angle sin mul neg rlineto
+ 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
+ findfont 0.7 scalefont setfont
0.1 setlinewidth
0 0 moveto
0 setgray
1 setgray
0.5 0 0.4 0 360 arc closepath
fill stroke
- } if
+ } if
% letter_col
setgray
% 0.25 is empiric centering. Change to taste
show
} bind def
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-{
- /vert_end exch def
- /vert_start exch def
- setlinewidth
- /volta_w exch def
- /volta_h exch def
- 1 setlinecap
- 1 setlinejoin
- vert_start 0 eq {
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- 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
+% this is for drawing slurs.
+/draw_bezier_sandwich % thickness controls
+{
+ % round ending and round beginning
+ 1 setlinejoin 1 setlinecap
+ setlinewidth
+ moveto
+ curveto
+ lineto
+ curveto
+ closepath
+ gsave
+ fill
+ grestore
+ stroke
+} bind def
+
+/draw_dot % x1 y2 R
+{
+% 0 360 arc fill stroke
+ 0 360 arc closepath fill stroke
+} bind def
+
+/draw_white_dot % x1 y2 R
+{
+% 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
+} bind def
/draw_dashed_line % dash thickness dx dy
-{
- 1 setlinecap
- 1 setlinejoin
- setdash
- setlinewidth
+{
+ 1 setlinecap
+ 1 setlinejoin
+ setdash
+ setlinewidth
0 0 moveto
lineto
- stroke
-} bind def
+ stroke
+} bind def
/draw_dashed_slur % dash thickness controls
-{
- 1 setlinecap
- 1 setlinejoin
- setdash
- setlinewidth
- 8 -2 roll
- moveto
- curveto
- stroke
-} bind def
+{
+ 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
+} 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
+/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
/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
-} bind def
+{
+%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
+} bind def
/draw_bracket % arch_angle arch_width arch_height bracket_height arch_thick bracket_thick
-{
+{
% urg
/bracket_thick exch def
/arch_width exch def
/arch_angle exch def
- bracket_height 2 div bracket_thick add /half_height exch 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
+ 1 setlinecap
+ 1 setlinejoin
+ half_bracket
+ 20 copy
+ 1 -1 scale
+ draw_half_bracket
+ stroke
+ 1 -1 scale
+ draw_half_bracket
+ stroke
+} bind def
+%end music-drawing-routines.ps