%
% 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
+% Emulation code from Postscript Language Reference.
-% 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
+/*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
-/EndEPSF { %def
- count op_count sub {pop} repeat % Clean up stacks
- countdictstack dict_count sub {end} repeat
- b4_Inc_state restore
-} bind def
% 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
/llx exch def
[
/Rect [ llx lly urx ury ]
- /Border [ 0 0 0 0 ]
+
+ /Border [ 0 0 0 ]
/Action
<<
}
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
+%<font> <encoding> <name> reencode-font
+/reencode-font
{
- 1 copy mul exch 1 copy mul add sqrt
+ /name exch def
+ /encoding exch def
+ dup length
+ dict begin {
+ 1 index /FID ne {def} {pop
+ pop} ifelse
+ }
+ forall
+ /Encoding encoding
+ def currentdict
+ end
+ name exch definefont
} 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
+/set_tex_dimen
+{
+ cvr def
+} bind 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 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
+/draw_line % dx dy x1 y1 thickness draw_line
+{
+ 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