-%!PS-Adobe-1.0: music-drawing-routines.ps
+%!PS-Adobe-2.0
%
% 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
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% llx lly urx ury URI
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- /URI command
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>>
/Subtype /Link
/ANN
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bind def
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+ /Border [ 0 0 0 ]
+ /Page page
+ /Subtype /Link
+ /ANN
+ pdfmark
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+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
+ false setoverprint
} 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
- }{
- closepath gsave stroke grestore fill
- } ifelse
+/EndEPSF { %def
+ count op_count sub {pop} repeat % Clean up stacks
+ countdictstack dict_count sub {end} repeat
+ b4_Inc_state restore
} bind def
+/stroke_and_fill? {
+ {
+ gsave
+ false setstrokeadjust
+ stroke
+ grestore
+ fill
+ }
+ {
+ stroke
+ }
+ ifelse
+} 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
- 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:
+ 0 max setlinewidth
+ matrix currentmatrix 5 1 roll
+ currentpoint translate newpath translate
+ 2 copy 0 min exch 0 min exch translate
+ abs exch abs exch
+ currentlinewidth 0 eq
+ { % straight corners
+ 2 copy 2 mul gt
+ { % horizontal
+ 0 1 index 2 div moveto
+ setlinewidth
+ 0 rlineto
+ 0 setlinecap
+ stroke
+ }
+ {
+ 2 copy exch 2 mul gt
+ { % vertical
+ 1 index 2 div 0 moveto
+ exch setlinewidth
+ 0 exch rlineto
+ 0 setlinecap
stroke
- }{
- closepath gsave stroke grestore fill
- } ifelse
+ }
+ {
+ 0 0 4 2 roll rectfill
+ }
+ ifelse
+ }
+ ifelse
+ }
+ { % rounded corners
+ 2 copy 0 eq exch 0 eq or
+ { % line shape
+ 0 0 moveto
+ rlineto
+ 1 setlinecap
+ stroke
+ 0 setlinecap
+ }
+ { % full shape
+ currentstrokeadjust {
+ currentlinewidth 2 div
+ 0 0 2 index 180 270 arc
+ 2 index 0 2 index 270 360 arc
+ 3 copy 0 90 arc
+ 0 2 index 3 -1 roll 90 180 arc
+ closepath
+ 2 copy 2 mul gt
+ { % horizontal
+ 2 copy add currentlinewidth add 10 add % large enough
+ 0 1 index neg moveto
+ 2 index 1 index neg lineto
+ 2 index 1 index lineto
+ 0 exch lineto closepath
+ gsave clip newpath
+ 0 1 index 2 div moveto
+ currentlinewidth add setlinewidth
+ 0 rlineto
+ 2 setlinecap
+ stroke
+ grestore
+ }
+ {
+ 2 copy exch 2 mul gt
+ { % vertical
+ 2 copy add currentlinewidth add 10 add % large enough
+ dup neg 0 moveto
+ dup 0 lineto
+ dup 2 index lineto
+ neg 1 index lineto closepath
+ gsave clip newpath
+ 1 index 2 div 0 moveto
+ exch currentlinewidth add setlinewidth
+ 0 exch rlineto
+ 2 setlinecap
+ stroke
+ grestore
+ }
+ {
+ pop pop
+ fill
+ }
+ ifelse
+ }
+ ifelse
+ newpath
+ }
+ {
+ 1 setlinejoin
+ 0 0 4 2 roll 4 copy rectstroke rectfill
+ }
+ ifelse
+ }
+ ifelse
+ }
+ ifelse
+ setmatrix
} 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
- }{
- closepath gsave stroke grestore fill
- } ifelse
-} bind def
-
-/draw_repeat_slash % width slope thick
-{
- 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
- 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.
-/draw_bezier_sandwich % thickness controls
-{
- % round ending and round beginning
- 1 setlinejoin 1 setlinecap
- setlinewidth
- moveto
- curveto
- lineto
- curveto
+ 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
- gsave
- fill
- grestore
- stroke
+ stroke_and_fill?
} bind def
-/draw_dot % x1 y2 R
+/draw_circle % filled? radius thickness draw_circle
{
-% 0 360 arc fill stroke
- 0 360 arc closepath fill 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?
} bind def
-/draw_circle % R T
+/draw_ellipse % filled? x-radius y-radius thickness draw_ellipse
{
- setlinewidth
- dup 0 moveto
- 0 exch 0 exch
- 0 360 arc closepath 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?
} bind def
-/draw_white_dot % x1 y2 R
+/draw_partial_ellipse % filled connect x-radius y-radius startangle endangle thickness draw_partial_ellipse
+% Note that filled is not boolean to permit for different graylevels (ie for trill keys)
{
-% 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
+ gsave
+ currentpoint translate
+ /thickness exch def
+ /endangle exch def
+ /startangle exch def
+ /y_radius exch def
+ /x_radius exch def
+ /endrad x_radius y_radius mul
+ x_radius x_radius mul
+ endangle cos endangle cos mul mul
+ y_radius y_radius mul
+ endangle sin endangle sin mul mul add sqrt div def
+ /endangle endangle sin endrad mul y_radius div
+ endangle cos endrad mul x_radius div atan def
+ /startrad x_radius y_radius mul
+ x_radius x_radius mul
+ startangle cos startangle cos mul mul
+ y_radius y_radius mul
+ startangle sin startangle sin mul mul add sqrt div def
+ /startangle startangle sin startrad mul y_radius div
+ startangle cos startrad mul x_radius div atan def
+ /connect exch def
+ /filled exch def
+ /savematrix matrix currentmatrix def
+ thickness setlinewidth
+ x_radius y_radius scale
+ startangle cos startangle sin moveto
+ 0 0 1 startangle
+ startangle endangle eq { endangle 360 add } { endangle } ifelse
+ arc
+ connect {
+ startangle cos startangle sin moveto endangle cos endangle sin lineto }
+ if
+ savematrix setmatrix filled stroke_and_fill?
+ grestore
} bind def
-/draw_dashed_line % dash thickness dx dy
+/draw_line % dx dy x1 y1 thickness draw_line
{
+ setlinewidth % dx dy x1 y1
1 setlinecap
- 1 setlinejoin
- setdash
- setlinewidth
- 0 0 moveto
- lineto
+ rmoveto % dx dy
+ rlineto
stroke
} bind def
-/draw_dashed_slur % dash thickness controls
+/draw_dashed_line % dx dy thickness dashpattern offset draw_dashed_line
{
1 setlinecap
- 1 setlinejoin
- setdash
- setlinewidth
- 8 -2 roll
- moveto
- curveto
+ setdash % dx dy thickness
+ setlinewidth %dx dy
+ rlineto
stroke
+ [] 0 setdash % reset dash pattern
} 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
+/print_glyphs % w dx dy glyph print_glyphs
{
- /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
-
-/draw_bracket % arch_angle arch_width arch_height bracket_height arch_thick bracket_thick
-{
- % 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
- 1 setlinecap
- 1 setlinejoin
- half_bracket
- 20 copy
- 1 -1 scale
- draw_half_bracket
- stroke
- 1 -1 scale
- draw_half_bracket
- stroke
-} bind def
-
+ {
+ currentpoint %w dx dy glyph x0 y0
+ 5 2 roll %w x0 y0 dx dy glyph
+ 3 1 roll %w x0 y0 glyph dx dy
+ rmoveto %w x0 y0 glyph
+ glyphshow %w x0 y0
+ moveto %w
+ 0 rmoveto
+ }repeat
+}bind def
%end music-drawing-routines.ps
projects / lilypond.git / blobdiff