Add hihat halfopen glyph to font (issue4714043)

[Carl . D . Sorensen]

Reviewers: ,

Message:
Here is the patch for the new hihat halfopen glyph as requested in Issue
1688.

If you are not building in a clean directory, you will need to do

rm mf/out/* && make

in order to generate the font with the new glyph

Description:
Add hihat halfopen glyph to font

Please review this at http://codereview.appspot.com/4714043/

Affected files:
  M mf/feta-scripts.mf


Index: mf/feta-scripts.mf
diff --git a/mf/feta-scripts.mf b/mf/feta-scripts.mf
index  
d04ed18b7b5e99c2641079b77e6af9a459a634ad..711d24a2d5245506a3c3fd7ed3f681c8d984d84b  
100644
--- a/mf/feta-scripts.mf
+++ b/mf/feta-scripts.mf
@@ -620,6 +620,45 @@ fet_beginchar ("halfopen (unstopped)", "halfopen");
 fet_endchar;


+fet_beginchar ("halfopen hi hat", "hihathalfopen");
+       save thin, height, width, thick, factor, slash;
+       save epsilon;
+
+       factor := 5/4 * sqrt(1 + 25/16);
+       height# = 5/4 width#;
+       height# = staff_space#;
+       thin = 0.6 linethickness + 0.06 staff_space;
+       slash# = 1.05 linethickness#;
+       epsilon := .08;
+
+       set_char_box (width# / 2, width# / 2, height# / 2, height# / 2);
+
+       define_pixels (width, height, slash);
+
+       2 thick + 0.6 (height - 2 thin) = width;
+
+       penpos1 (thick, 0);
+       penpos2 (thin, 90);
+       penpos3 (thick, 180);
+       penpos4 (thin, 270);
+       z1r = (w, 0);
+       z2r = (0, h);
+       z3r = (-w, 0);
+       z4r = (0, -h);
+
+       penlabels (1, 2, 3, 4);
+
+       penstroke z1e{up}
+                 .. z2e{left}
+                 .. z3e{down}
+                 .. z4e{right}
+                 .. cycle;
+
+       draw_brush ((-epsilon, -h * factor), slash,
+                   (epsilon, h * factor), slash);
+fet_endchar;
+
+
 fet_beginchar ("plus (stopped)", "stopped");
        save hthick, vthick, size, outer_hsize, outer_vsize;