%
% Functions for direct and embedded PostScript
-% Don't use double % as comment prefix. These are interpreted as DSC comments.
+% Careful with double % as comment prefix.
+% Any %%X comment is interpreted as DSC comments.
% TODO: use dicts or prefixes to prevent namespace pollution.
+% Emulation code from Postscript Language Reference.
+
+/*SF
+{
+ exch findfont exch
+ dup type /arraytype eq
+ {makefont}
+ {scalefont}
+ ifelse
+ setfont
+} bind def
+
+/languagelevel where
+ {pop languagelevel}
+ {1}
+ifelse
+
+2 lt
+ { /selectfont /*SF load def }
+if
+
+% end emulation code
+
/pdfmark where
{pop} {userdict /pdfmark /cleartomark load put} ifelse
+
+% llx lly urx ury URI
+/mark_URI
+% It's possible to eliminate the coordinate variables by doing [ /Rect [ 7 3
+% roll. That is, however, kind of ugly. It would be nice if this procedure
+% were only included when PDF marks are enabled.
+{
+ /command exch def
+ /ury exch def
+ /urx exch def
+ /lly exch def
+ /llx exch def
+ [
+ /Rect [ llx lly urx ury ]
+
+ /Border [ 0 0 0 ]
+
+ /Action
+ <<
+ /Subtype /URI
+ /URI command
+ >>
+ /Subtype /Link
+ /ANN
+ pdfmark
+}
+bind def
+
% from adobe tech note 5002.
/BeginEPSF { %def
/b4_Inc_state save def % Save state for cleanup
} if
} bind def
-
/EndEPSF { %def
count op_count sub {pop} repeat % Clean up stacks
countdictstack dict_count sub {end} repeat
} bind def
-% llx lly urx ury URI
-/mark_URI
-{
- /command exch def
- /ury exch def
- /urx exch def
- /lly exch def
- /llx exch def
- [
- /Rect [ llx lly urx ury ]
- /Border [ 0 0 0 ]
-
- /Action
- <<
- /Subtype /URI
- /URI command
- >>
- /Subtype /Link
- /ANN
- pdfmark
-}
-bind def
/set_tex_dimen
{
} bind def
-
-/euclidean_length
-{
- 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
-
- 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
+/vector_add { % x1 y1 x2 y2 vector_add x1+x2 y1+y2
+ exch
+ 4 1 roll
+ add
+ 3 1 roll
+ add
+ exch
+} bind def
-/draw_round_box % breapth width depth height blot
+/draw_round_box % width height x y blot
{
- /blot exch def
-
+ setlinewidth % w h x y
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
+ 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 fill
+/draw_polygon % fill? x(n) y(n) x(n-1) y(n-1) ... x(0) y(0) n blot
{
- /fillp exch def
- /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
+ 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
- fillp {
- gsave stroke grestore fill
+ { %fill?
+ stroke_and_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
% this is for drawing slurs.
/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_circle % R T F
+/draw_circle % filled? radius thickness draw_circle
{
- /filled exch def
- setlinewidth
- dup 0 moveto
- 0 exch 0 exch
+ setlinewidth % f? r
+ currentpoint % f? r x0 y0
+ 3 2 roll % f? x0 y0 r
+ dup 0 rmoveto
0 360 arc closepath
- gsave stroke grestore
- filled { fill } if
+ { stroke_and_fill }
+ { stroke }
+ ifelse
} bind def
-% JUNKME. use color & circle.
-/draw_white_dot % x1 y2 R
+/draw_line % dx dy x1 y1 thickness draw_line
{
-% 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
-
-
-% JUNKME: Use color.
-/draw_white_text % text scale font
-{
- %font
- findfont
- %scale
- exch scalefont setfont
- 1 setgray
- 0 0 moveto
- %-0.05 -0.05 moveto
- % text
- show
+ setlinewidth % dx dy x1 y1
+ 1 setlinecap
+ 1 setlinejoin
+ rmoveto % dx dy
+ rlineto
+ stroke
} bind def
-
-/draw_dashed_line % dash thickness dx dy
+/draw_dashed_line % dx dy thickness dashpattern draw_dashed_line
{
1 setlinecap
1 setlinejoin
- setdash
- setlinewidth
- 0 0 moveto
- lineto
+ setdash % dx dy thickness
+ setlinewidth %dx dy
+ rlineto
stroke
+ [] 0 setdash % reset dash pattern
} bind def
-/draw_dashed_slur % dash thickness controls
+/draw_dashed_slur % controls thickness dash
{
+gsave
+ currentpoint translate
1 setlinecap
1 setlinejoin
setdash
setlinewidth
- 8 -2 roll
+ 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