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-%
-% This file is part of MusiXTeX
-%
-% MusiXTeX is free software; you can redistribute it and/or modify
-% it under the terms of the GNU General Public License as published by
-% the Free Software Foundation; either version 2, or (at your option)
-% any later version.
-%
-% MusiXTeX is distributed in the hope that it will be useful,
-% but WITHOUT ANY WARRANTY; without even the implied warranty of
-% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-% GNU General Public License for more details.
-%
-% You should have received a copy of the GNU General Public License
-% along with MusiXTeX; see the file COPYING. If not, write to
-% the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-% Boston, MA 02111-1307, USA.
-%
-% WpH May, 19, 1997 modified to be dashed.
-%
-
-min_bow:= internote;
-max_bow:=3internote;
-slope:=17.5/100;
-gap:=thick; %Wph length of space between dashes.
-dash:=1.6thick; %Wph Length of each rising or falling dash.
-pointendl:=dash; %WpH length of first and last dash.
-centerdashl:=-dash; %WpH length of center dash.
-if unknown makedotted: makedotted:=0; fi % WpH
-path outerpath, innerpath; %Wph declaration of path variables.
-
-code=-1;
-
-for iht=1 upto 8:
- for iwd=0 upto 15:
- beginchar(incr code, 0, 0, 0);
- mw#:=(minwidth+iwd*delwidth)*pt#;
- define_pixels(mw);
- x1 = y1= 0; x3= mw; y3= 2y2'= iht*internote; x2'= .5x3;
- mheight:=y3;
- z2-z2'= whatever*dir(angle(z3-z1)+90);
- my_bow:=min(max_bow, slope*mw);
- my_bow:=max(my_bow, min_bow);
- z1'=(z1-(0,my_bow)) rotated angle(z3-z1);
- (z1'-z2)=whatever*(z1-z2');
- penpos1(.15thick,(angle(z3-z1)+90));
- penpos2(thick,(angle(z3-z1)+90));
- penpos3(.15thick,(angle(z3-z1)+90));
- penstroke (flex(z1e,z2e,z3e));
-%{{{
- currentpen:= pencircle;
- draw (flex(z1,z2,z3));% draw z1--z3; draw z2'--z2--z1'--z1;
-%}}}
- %
- % WpH start of added block to make gaps.
- if makedotted<>1:
- % variable makedotted has not been given a value.
- % Dotted lines will not be made.
- else:
- cullit;
- outerpath:= flex(z1r,z2r,z3r);
- innerpath:= flex(z1l,z2l,z3l);
- cl:=abs(z2-z1); %apporximate curve length/2
- tcount:=(cl-pointendl-0.5centerdashl)/(gap+dash); % number of gaps on rise or fall.
- tcount:=floor(tcount + .5); %round to nearest int number
- tinc:=((cl-pointendl-.5centerdashl)/tcount);
- pickup pencircle scaled gap;
- for k=0 upto tcount-1:
- tt:=((pointendl + .5gap) + k*tinc)/(cl);
- undraw (point tt of outerpath)..(point tt of innerpath);
- undraw (point (2-tt) of outerpath)..(point (2-tt) of innerpath);
-%
-% I expected the undraw statements to be the following. If the
-% other code fails on your version of metafont, try this:
-%
-% undraw (point .5tt of outerpath)..(point .5tt of innerpath);
-% undraw (point (1-.5tt) of outerpath)..(point (1-.5tt) of innerpath);
-%
- endfor;
- cullit;
- fi
- % Wph End of added block to make gaps.
- %
- currentpicture:=currentpicture t;
- p:=currentpicture;
- endchar;
-
- beginchar(code+128, 0, 0, 0);
- currentpicture:=p T;
- endchar;
-
- endfor
-endfor
-end