X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=mf%2Ffeta-beugel.mf;h=3d6f6b037023f652a207ca6bd53821b0601d0adf;hb=8aa5426335c7c482c46ac99a0c3d810ddce14e0c;hp=94218544ca856d03618b84cc982f6c823d5acd5a;hpb=81316263fa675e45a34047c874cbed8417faeef4;p=lilypond.git diff --git a/mf/feta-beugel.mf b/mf/feta-beugel.mf index 94218544ca..3d6f6b0370 100644 --- a/mf/feta-beugel.mf +++ b/mf/feta-beugel.mf @@ -1,14 +1,34 @@ + + input feta-autometric; input feta-macros; + +staffsize# := 20 pt#; %% arbitrary. + + input feta-params; -fet_beginfont("feta-braces", 16); + +def abc_encode_int (expr i) = + if i > 0: + abc_encode_int(i div 26)&char(65 + i mod 26) + else: + "A" + fi +enddef ; + +% we must let the design increase for each +% font to make sure that mftrace doesn't jack up the resolution too highly +% for the longer braces. +fet_beginfont("feta-braces-" &char(97 + font_count), (font_count + 1)* 15, + "fetaBraces"); + mode_setup; -staffsize#:=16pt#; + save code; -code := 0; +code := -1; def draw_brace (expr height_sharp, width_sharp, slt_sharp) = @@ -19,8 +39,11 @@ def draw_brace (expr height_sharp, width_sharp, slt_sharp) = width# := width_sharp; slt# := slt_sharp; - beginchar(code, width#, height#/2, height#/2); - code := incr code; +%% +1 is needed because fet_beginchar increments after dumping the strings. +fet_beginchar("brace number "&(decimal (code + 1)), "brace"&abc_encode_int(code+1), + "brace"&abc_encode_int (code+1)) + + set_char_box (0, width#, height#/2, height#/2); define_pixels (height, width, slt); thin = 2 slt; @@ -44,7 +67,7 @@ def draw_brace (expr height_sharp, width_sharp, slt_sharp) = .. z2l .. simple_serif (z1l, z1r, 90) ..cycle; addto currentpicture also currentpicture yscaled -1; -endchar; +fet_endchar; enddef; @@ -52,7 +75,7 @@ enddef; save stafflinethickness; save increment; -stafflinethickness := 0.5pt#; +linethickness := 0.5pt#; increment := 0.5pt#; y := 10pt#; @@ -67,7 +90,12 @@ for i := 0 step 1 until font_count: % message "l: "&decimal l; % note: define_pixels (x) multiplies x by hppp, % must never get bigger than infinity - y := min (y + increment, infinity/hppp - 1); + y := y + increment; + + if y > infinity/hppp: + message "Resolution and/or magnification is too high"; + error please report: ; + fi % x should be about one staff space, taking brace to have % default height of 3 staffs, this yields height / 3 / 4 = 12 @@ -75,9 +103,9 @@ for i := 0 step 1 until font_count: x := y / 15; increment := x / 10; - stafflinethickness := min (0.5pt#, y/150); + linethickness := min (0.5pt#, y/150); if i = font_count: - draw_brace (y, x, stafflinethickness); + draw_brace (y, x, linethickness); fi endfor; endfor