]> git.donarmstrong.com Git - lilypond.git/blobdiff - tex/lily-ps-defs.tex
Merge branch 'master' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond
[lilypond.git] / tex / lily-ps-defs.tex
index 78933d0c4b26bfd7b213641ed860b6c26eb4cb40..4a05f9d46fba820359d498e7d56eb8a9f41f3cef 100644 (file)
-%
-% WARNING: don't leave blank lines in the PS-code; they are
-% transformed into \par 
-%
-
-%
-% Should put in a lily-ps.ps header?
-%
-%
-
-%
-% header info (macros/defs, etc) should go into a \special{! ... }, 
-% note the ! sign.  See dvips.info for details.
-%
-
-% Use of 
-% /foo { operatorname } bind def
-%
-% ``compiles'' operatorname binding in the body of foo, making
-% the code faster, and more reliable (less flexible)
-
-
-% transplant a TeX dimension into the PS output.
-\def\PSsetTeXdimen#1{\expandafter\special{! /#1 (\the\csname #1\endcsname) deftexdimen}}
-
-\def\turnOnPostScript{%
-\def\embeddedps##1{%
-        % This sets CTM so that you get to the currentpoint
-        % by executing a 0 0 moveto
-        \special{ps: @beginspecial @setspecial ##1 @endspecial}       
-}
-%
-% width, slope, height 
-%
-\special{! % round cappings
-1 setlinecap
-/draw_beam
-{
-        2 div /beam_thick exch def
-        /beam_slope exch def
-        /beam_wd exch def
-        beam_slope beam_wd mul /beam_ht exch def
-        0 beam_thick neg moveto 
-        beam_wd beam_ht rlineto 
-        0 beam_thick 2 mul rlineto
-        0 beam_thick lineto
-        closepath fill
-} bind def
-% PS helper: convert (0.2pt) to the token 0.2
-/settexdimen {  /thestring exch def
-        thestring 0 thestring length 2 sub
-        getinterval
-        token
-        pop exch pop } 
-def
-%
-/deftexdimen {
-        settexdimen
-        def     
-} def
-}
-%
-\PSsetTeXdimen{staffrulethickness}
-\PSsetTeXdimen{staffheight}
-\special{! %
-/draw_decresc
-        {
-                staffrulethickness setlinewidth
-                /cresc_cont exch def
-                /cresc_ht exch def
-                /cresc_wd exch def
-%
-                cresc_wd cresc_cont moveto
-                0 cresc_ht lineto
-                stroke
-                cresc_wd cresc_cont neg moveto
-                0 cresc_ht neg lineto
-                stroke
-        }
-        bind def
-        /draw_cresc
-        {
-                staffrulethickness setlinewidth
-                /cresc_cont exch def
-                /cresc_ht exch def
-                /cresc_wd exch def
-%
-                0 cresc_cont moveto
-                cresc_wd cresc_ht lineto
-                stroke
-                0 cresc_cont neg moveto
-                cresc_wd cresc_ht neg lineto
-                stroke
-        }
-        bind def
- /lily_distance {
-        1 copy mul exch 1 copy mul add sqrt
- } bind def
- /draw_plet
-        {
-                staffrulethickness setlinewidth
-                /dir exch def
-                /plet_dy exch def
-                /plet_dx exch def
-               staffheight 2 div /plet_gapx exch def
-               plet_dy plet_dx div plet_gapx mul /plet_gapy exch def
-               staffheight 4 div dir mul /plet_h exch def
-%
-               0 0 moveto
-                0 plet_h lineto 
-               plet_dx plet_gapx sub 2 div 
-                       plet_dy plet_gapy sub 2 div plet_h add lineto
-               plet_dx plet_gapx add 2 div 
-                       plet_dy plet_gapy add 2 div plet_h add moveto
-               plet_dx plet_dy plet_h add lineto
-               plet_dx plet_dy lineto
-               stroke
-        }
-        bind def
- staffheight 2 div /slurhtlimit exch def
- /slurratio 0.3333 def
- %
- %  (b*ratio)/(1 + b / htlimit)
- /getslurcontrol 
- { 
-       slurhtlimit add /slurheight exch def
-        slurheight 90 div /slur_alpha exch def
-        slurratio 60 div slur_alpha div  /slur_beta  exch def
-        slur_beta mul 1 atan slur_alpha mul
- } bind def
- staffrulethickness 1.5 mul  /slur_thick exch def
- /draw_slur
- {
-        staffrulethickness setlinewidth
-        0 0 moveto
-        /slur_dir exch def
-        /slur_height exch def
-        /slur_dy exch def
-        /slur_dx exch def
-        slur_dy slur_dx lily_distance /slur_b  exch def
-        slur_b slur_height getslurcontrol 
-        slur_dir mul /slur_ht exch def
-        slur_b slur_height getslurcontrol /slur_indent exch def       
-%
-        slur_dy slur_dx atan rotate
-        slur_indent slur_ht
-        slur_b slur_indent sub slur_ht
-        slur_b 0
-        rcurveto        
- %
-        slur_indent neg slur_ht slur_dir slur_thick mul  sub
-        slur_indent slur_b sub slur_ht slur_dir slur_thick mul  sub
-        slur_b neg  0
-        rcurveto
- %
-        gsave
-                fill
-        grestore
-        stroke
- } bind def}}
-
-
-
-
-\def\turnOnExperimentalFeatures{%
-% draw a slur in embedded postscript
-\special{ps:
-}}
+%% lily-ps-defs.tex
+%%
+\edef\lilypsdefsELC{\the\endlinechar}%
+\endlinechar -1\relax
+
+%% Header info (macros/defs, etc) should go into a \special{! ... };
+%% note the ! sign.  See dvips.info for details.
+%%
+%% We protect punctuation characters with \string to avoid problems with
+%% language specific shorthands (e.g. `:' for French, `"' for German, etc.).
+
+\gdef\lilypondsetdimen#1{
+  \expandafter\gdef\csname #1ps\endcsname{}
+  \special{
+    \string!
+    /#1 (\csname #1\endcsname) set_tex_dimen}}
+
+\gdef\lilypondspace{ }
+
+\gdef\lilypondpostscript{
+  %% A document processed with lilypond-book can contain music fragments in
+  %% different sizes.  To reduce overhead, we define `lyscaleXXX' PS macros
+  %% only once.
+  \lilypondifundefined{lyscale\lilypondpaperoutputscale}
+    {\expandafter\gdef\csname lyscale\lilypondpaperoutputscale\endcsname{}
+     %% This sets CTM so that you get to the currentpoint
+     %% by executing a 0 0 moveto
+     \special{
+       \string!
+       /lyscale\lilypondpaperoutputscale
+         {\lilypondpaperoutputscale\lilypondspace\scaletounit %
+          dup scale} def}}
+    {}
+                      
+  \def\embeddedps##1{
+    \special{
+      \string"
+      lyscale\lilypondpaperoutputscale\lilypondspace ##1}}}
+
+\endlinechar \lilypsdefsELC
+\endinput
+
+%% end lily-ps-defs.tex