%
% 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.
/pdfmark where
{pop} {userdict /pdfmark /cleartomark load put} ifelse
-% llx lly urx ury command
-/mark_file_line
+% llx lly urx ury URI
+/mark_URI
{
- /command exch def
+ /uri exch def
/ury exch def
/urx exch def
/lly exch def
/llx exch def
[
/Rect [ llx lly urx ury ]
- /Border [ 0 0 0 0 ]
+
+ /Border [ 0 0 0 ]
- pdf-viewer (acroread) eq
- {
- /Action
+ /Action
<<
/Subtype /URI
- /URI command
- >>
- }
- {
- % xpdf. FIXME: gpdf, kpdf etc?
- /Action
- <<
- /Launch
- /File command
+ /URI uri
>>
- } ifelse
/Subtype /Link
/ANN
pdfmark
}
bind def
-/set_tex_dimen
-{
- cvr def
+% 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
+ /languagelevel where % If level not equal to 1 then
+ {pop languagelevel % set strokeadjust and
+ 1 ne % overprint to their defaults.
+ {false setstrokeadjust false setoverprint
+ } if
+ } 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
-
-/euclidean_length
+/set_tex_dimen
{
- 1 copy mul exch 1 copy mul add sqrt
+ cvr def
} 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
-
-/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
+ setlinewidth % w h x y
+ 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
+ rmoveto % w h
+ currentpoint % w h x1 y1
+ 4 2 roll % x1 y1 w h
+ 4 copy
+ rectfill
+ rectstroke
} 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
+ 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
+ { %fill?
+ stroke_and_fill
}{
- closepath gsave stroke grestore 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
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_white_dot % x1 y2 R
+/draw_circle % filled? radius thickness draw_circle
{
-% 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? r
+ currentpoint % f? r x0 y0
+ 3 2 roll % f? x0 y0 r
+ dup 0 rmoveto
+ 0 360 arc closepath
+ { stroke_and_fill }
+ { stroke }
+ ifelse
} bind def
-/draw_dashed_line % dash thickness dx dy
+/draw_oval % 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
+ /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_slur % dash thickness controls
+/draw_ellipse % filled? x-radius y-radius thickness draw_ellipse
{
- 1 setlinecap
- 1 setlinejoin
- setdash
- setlinewidth
- 8 -2 roll
- moveto
- curveto
- 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
-
-% 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_line % dx dy x1 y1 thickness draw_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
+ setlinewidth % dx dy x1 y1
+ 1 setlinecap
+ 1 setlinejoin
+ rmoveto % dx dy
+ rlineto
+ stroke
} bind def
-
-
-/half_bracket
+/draw_dashed_line % dx dy thickness dashpattern offset draw_dashed_line
{
-%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
projects / lilypond.git / blobdiff