You can't solve the Kievan bar line problem without calculate every dot
position. I made a pure MetaFont version of the Kievan bar line:
fet_beginchar ("kievan end of piece (slash)", "barline.kievan");
% this draws the end of piece figure
% this figure is placed at the end of the musical piece, after the
staff
save hair_thickness, thick_thickness, width, depth, height, path;
hair# = 1.9 linethickness#;
thick# = 6.0 linethickness#;
width# = .8 staff_space#;
height# + depth# = 4 staff_space#;
depth# = height# + hair# / 2;
set_char_box (0, width#, depth#, height#);
define_pixels (hair, thick);
x1r - x2l = w;
y1 - y3r = d + h + linethickness / 2;
z3 = z2;
z4 = .5 [z1, z2] = (w / 2, hair / 8);
z5 = (x2 - .17 staff_space, 9/10 [y2, y1]);
z7 - z6 = (.5 staff_space, -.2 staff_space);
.4 [z6, z7] = 7/6 [z2, z1];
pickup pencircle scaled blot_diameter;
penpos1 (hair, 0);
penpos2 (hair, 0);
penpos3 (hair, -90);
penpos4 (thick, 10);
penpos5 (thick, 35);
penpos6 (hair, -90);
penpos7 (.5 thick, -120);
penlabels (1, 2, 3, 4, 5, 6, 7);
fill z1r
-- z2r
-- z2l
-- z1l
-- cycle;
fill simple_serif (z3l, z3r, 90){1.5 right}
.. z4r
.. z5r
.. z6r
.. simple_serif (z7r, z7l, 80)
.. {left}z6l
.. z5l
.. z4l
.. cycle;
fet_endchar;
I will make a complete review later.
Bertrand
http://codereview.appspot.com/4951062/
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