* tex/lilyponddefs.tex (lilypondpagebreak): New overridable macro.

[lilypond.git] / tex / lily-ps-defs.tex

diff --git a/tex/lily-ps-defs.tex b/tex/lily-ps-defs.tex
index bfd4a8e40deaa13ce4381077f76cb4b0313ef877..8a4522a2e72048a8fe547e359ee2afc80d890ccf 100644 (file)
--- a/tex/lily-ps-defs.tex
+++ b/tex/lily-ps-defs.tex
@@ -1,23 +1,54 @@
+% lily-ps-defs.tex
 %
-% WARNING: don't leave blank lines in the PS-code; they are
-% transformed into \par 
-%
+\edef\lilypsdefsELC{\the\endlinechar}%
+\endlinechar -1\relax
 
-%
-% header info (macros/defs, etc) should go into a \special{! ... }, 
+% Header info (macros/defs, etc) should go into a \special{! ... };
 % note the ! sign.  See dvips.info for details.
 %
-\def\lilySpace{ }
-\def\turnOnPostScript{%
-        % This sets CTM so that you get to the currentpoint
-        % by executing a 0 0 moveto
-        \def\embeddedps##1{%
-                \special{ps: @beginspecial @setspecial
-                        \mudelapaperoutputscale\lilySpace
-                        \mudelapaperoutputscale\lilySpace scale 
-                        ##1 @endspecial}%
-        }
+% 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}
+  }
+
+  \lilypondifundefined{lilypondpaperblotdiameterps}
+    {\lilypondsetdimen{lilypondpaperblotdiameter}}
+    {}
 }
 
-\def\turnOnExperimentalFeatures{}
+\gdef\lilypondexperimentalfeatures{}
 
+\endlinechar \lilypsdefsELC
+\endinput