diff options
Diffstat (limited to 'muse2/share/scoreglyphs/feta-original/feta-macros.mf')
| -rw-r--r-- | muse2/share/scoreglyphs/feta-original/feta-macros.mf | 497 |
1 files changed, 497 insertions, 0 deletions
diff --git a/muse2/share/scoreglyphs/feta-original/feta-macros.mf b/muse2/share/scoreglyphs/feta-original/feta-macros.mf new file mode 100644 index 00000000..19cc379a --- /dev/null +++ b/muse2/share/scoreglyphs/feta-original/feta-macros.mf @@ -0,0 +1,497 @@ +% +% feta-macros.mf -- auxiliary macros for both feta and parmesan fonts +% +% source file of the GNU LilyPond music typesetter +% +% (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl> + + +% +% debugging +% + +def print_penpos (suffix $) = + message + "z" & str$ & "l = (" & decimal x.$.l & ", " &decimal y.$.l & ");" + & " z" & str$ & "r = (" & decimal x.$.r & ", " & decimal y.$.r & ");"; +enddef; + + +def test_grid = + if test > 1: + proofrulethickness 1pt#; + + makegrid + (0pt, 0pt for i := -5pt step 1pt until 5pt: , i endfor) + (0pt, 0pt for i := -5pt step 1pt until 5pt: , i endfor); + + proofrulethickness .1pt#; + + makegrid + (0pt, 0pt for i := -4.8pt step .2pt until 4.8pt: , i endfor) + (0pt, 0pt for i := -4.8pt step .2pt until 4.8pt: , i endfor); + fi; +enddef; + + +def treq = + tracingequations := tracingonline := 1; +enddef; + + +def draw_staff (expr first, last, offset) = + if test <> 0: + pickup pencircle scaled stafflinethickness; + + for i := first step 1 until last: + draw (-staff_space, + (i + offset) * staff_space_rounded) + -- (4 staff_space, + (i + offset) * staff_space_rounded); + endfor; + fi; +enddef; + + +% +% Draw the outline of the stafflines. For fine tuning. +% + +def draw_staff_outline (expr first, last, offset) = + if test <> 0: + save p; + path p; + + pickup pencircle scaled 2; + + for i := first step 1 until last: + p := (-staff_space, + (i + offset) * staff_space_rounded) + -- (4 staff_space, + (i + offset) * staff_space_rounded); + + draw p shifted (0, .5 stafflinethickness); + draw p shifted (0, -.5 stafflinethickness); + endfor; + fi; +enddef; + + +% +% Transformations +% + +def scaledabout (expr point, scale) = + shifted -point scaled scale shifted point +enddef; + + +% +% make a local (restored after endgroup) copy of t_var +% + +def local_copy (text type, t_var) = + save copy_temp; + type copy_temp; + copy_temp := t_var; + save t_var; + type t_var; + t_var := copy_temp; +enddef; + + +% +% Urgh! Want to do parametric types +% + +def del_picture_stack = + save save_picture_stack, picture_stack_idx; +enddef; + + +% +% better versions of Taupin/Egler savepic cmds +% + +def make_picture_stack = + % override previous stack + del_picture_stack; + picture save_picture_stack[]; + numeric picture_stack_idx; + picture_stack_idx := 0; + + def push_picture (expr p) = + save_picture_stack[picture_stack_idx] := p; + picture_stack_idx := picture_stack_idx + 1; + enddef; + + def pop_picture = save_picture_stack[decr picture_stack_idx] enddef; + def top_picture = save_picture_stack[picture_stack_idx] enddef; +enddef; + + +% +% save/restore pens +% why can't I delete individual pens? +% + +def make_pen_stack = + del_pen_stack; + pen save_pen_stack[]; + numeric pen_stack_idx; + pen_stack_idx := 0; + def push_pen (expr p) = + save_pen_stack[pen_stack_idx] := p; + pen_stack_idx := pen_stack_idx + 1; + enddef; + def pop_pen = save_pen_stack[decr pen_stack_idx] enddef; + def top_pen = save_pen_stack[pen_stack_idx] enddef; +enddef; + + +def del_pen_stack = + save save_pen_stack, pen_stack_idx; +enddef; + + +% +% drawing +% + +def soft_penstroke text t = + forsuffixes e = l, r: + path_.e := t; + endfor; + + if cycle path_.l: + cyclestroke_; + else: + fill path_.l + ..tension1.5.. reverse path_.r + ..tension1.5.. cycle; + fi; +enddef; + + +def soft_start_penstroke text t = + forsuffixes e = l, r: + path_.e := t; + endfor; + + if cycle path_.l: + cyclestroke_; + else: + fill path_.l + -- reverse path_.r + ..tension1.5.. cycle; + fi; +enddef; + + +def soft_end_penstroke text t = + forsuffixes e = l, r: + path_.e := t; + endfor; + + if cycle path_.l: + cyclestroke_; + else: + fill path_.l + ..tension1.5.. reverse path_.r + -- cycle; + fi; +enddef; + + +% +% Make a round path segment going from P to Q. 2*A is the angle that the +% path should take. +% + +def simple_serif (expr p, q, a) = + p{dir (angle (q - p) - a)} + .. q{-dir (angle (p - q) + a)} +enddef; + + +% +% Draw an axis aligned block making sure that edges are on pixels. +% + +def draw_rounded_block (expr bottom_left, top_right, roundness) = +begingroup; + save size; + save x, y; + + % Originally, there was `floor' instead of `round', but this is + % not correct because pens use `round' also. + size = round min (roundness, + xpart (top_right - bottom_left), + ypart (top_right - bottom_left)); + + z2 + (size / 2, size / 2) = top_right; + z4 - (size / 2, size / 2) = bottom_left; + y3 = y2; + y4 = y1; + x2 = x1; + x4 = x3; + + pickup pencircle scaled size; + + fill bot z1{right} + .. rt z1{up} + -- rt z2{up} + .. top z2{left} + -- top z3{left} + .. lft z3{down} + -- lft z4{down} + .. bot z4{right} + -- cycle; +endgroup; +enddef; + + +def draw_block (expr bottom_left, top_right) = + draw_rounded_block (bottom_left, top_right, blot_diameter); +enddef; + + +def draw_square_block (expr bottom_left, top_right) = + save x, y; + + x1 = xpart bottom_left; + y1 = ypart bottom_left; + x2 = xpart top_right; + y2 = ypart top_right; + + fill (x1, y1) + -- (x2, y1) + -- (x2, y2) + -- (x1, y2) + -- cycle; +enddef; + + +def draw_gridline (expr bottom_left, top_right, thickness) = + draw_rounded_block (bottom_left - (thickness / 2, thickness / 2), + top_right + (thickness / 2, thickness / 2), + thickness); +enddef; + + +def draw_brush (expr a, w, b, v) = + save x, y; + + z1 = a; + z2 = b; + z3 = z4 = z1; + z5 = z6 = z2; + + penpos3 (w, angle (z2 - z1) + 90); + penpos4 (w, angle (z2 - z1)); + penpos5 (v, angle (z1 - z2) + 90); + penpos6 (v, angle (z1 - z2)); + + fill z3r{z3r - z5l} + .. z4l + .. {z5r - z3l}z3l + .. z5r{z5r - z3l} + .. z6l + .. {z3r - z5l}z5l + .. cycle; +enddef; + + +% +% Make a superellipsoid segment going from FROM to TO, with SUPERNESS. +% Take superness = sqrt(2)/2 to get a circle segment. +% +% See Knuth, p. 267 and p.126. + +def super_curvelet (expr from, to, superness, dir) = + if dir = 1: + (superness [xpart to, xpart from], + superness [ypart from, ypart to]){to - from} + else: + (superness [xpart from, xpart to], + superness [ypart to, ypart from]){to - from} + fi +enddef; + + +% +% Bulb with smooth inside curve. +% +% alpha = start direction +% beta = which side to turn to +% flare = diameter of the bulb +% line = diameter of line attachment +% direction = is ink on left or right side (1 or -1) +% +% Note that `currentpen' must be set correctly -- only circular pens +% are supported properly. + +def flare_path (expr pos, alpha, beta, line, flare, direction) = +begingroup; + save thick; + + thick = pen_top + pen_bot; + + clearxy; + + penpos1' (line - thick, 180 + beta + alpha); + top z1'r = pos; + + penpos2' (flare - thick, 180 + beta + alpha); + z2' = z3'; + + penpos3' (flare - thick, 0 + alpha); + rt x3'l = hround (x1'r + + (1/2 + 0.43) * flare * xpart dir (alpha + beta)); + bot y2'l = vround (y1'r + + (1 + 0.43) * flare * ypart dir (alpha + beta)); + + rt x4' = x2'r - line * xpart dir (alpha); + y4' = y2'r - line * ypart dir (alpha); + + penlabels (1', 2', 3', 4'); + + save t, p; + t = 0.833; + path p; + + p := z1'r{dir (alpha)} + .. z3'r{dir (180 + alpha - beta)} + .. z2'l{dir (alpha + 180)} + .. z3'l{dir (180 + alpha + beta)} + ..tension t.. z4'{dir (180 + alpha + beta)} + .. z1'l{dir (alpha + 180)}; + + if direction <> 1: + p := reverse p; + fi; + +p +endgroup +enddef; + + +def brush (expr a, w, b, v) = +begingroup; + draw_brush (a, w, b, v); + penlabels (3, 4, 5, 6); +endgroup; +enddef; + + +% +% Draw a (rest) crook, starting at thickness STEM in point A, +% ending a ball W to the left, diameter BALLDIAM. +% ypart of the center of the ball is BALLDIAM/4 lower than ypart A. +% + +def balled_crook (expr a, w, balldiam, stem) = +begingroup; + save x, y; + + penpos1 (balldiam / 2, -90); + penpos2 (balldiam / 2, 0); + penpos3 (balldiam / 2, 90); + penpos4 (balldiam / 2, 180); + + x4r = xpart a - w; + y3r = ypart a + balldiam / 4; + x1l = x2l = x3l = x4l; + y1l = y2l = y3l = y4l; + + penpos5 (stem, 250); + x5 = x4r + 9/8 balldiam; + y5r = y1r; + + penpos6 (stem, 260); + x6l = xpart a; + y6l = ypart a; + + penstroke z1e + .. z2e + .. z3e + .. z4e + .. z1e + .. z5e{right} + .. z6e; + + penlabels (1, 2, 3, 4, 5, 6); +endgroup; +enddef; + + +def y_mirror_char = + currentpicture := currentpicture yscaled -1; + + set_char_box (charbp, charwd, charht, chardp); +enddef; + + +def xy_mirror_char = + currentpicture := currentpicture scaled -1; + + set_char_box (charwd, charbp, charht, chardp); +enddef; + + +% +% center_factor: typically .5; the larger, the larger the radius of the bulb +% radius factor: how much the bulb curves inward +% + +def draw_bulb (expr turndir, zl, zr, bulb_rad, radius_factor)= +begingroup; + save rad, ang, pat; + path pat; + + clearxy; + + ang = angle (zr - zl); + + % don't get near infinity + % z0 = zr + bulb_rad * (zl - zr) / length (zr - zl); + z0' = zr + bulb_rad / length (zr - zl) * (zl - zr); + + rad = bulb_rad; + + z1' = z0' + radius_factor * rad * dir (ang + turndir * 100); + z2' = z0' + rad * dir (ang + turndir * 300); + + labels (0', 1', 2'); + + pat = zr{dir (ang + turndir * 90)} + .. z1' + .. z2' + .. cycle; + + % avoid grazing outlines + fill subpath (0, 2.5) of pat + -- cycle; +endgroup +enddef; + + +pi := 3.14159; + + +% +% To get symmetry at low resolutions we need to shift some points and +% paths, but not if mf2pt1 is used. +% + +if known miterlimit: + vardef hfloor primary x = x enddef; + vardef vfloor primary y = y enddef; + vardef hceiling primary x = x enddef; + vardef vceiling primary y = y enddef; +else: + vardef hfloor primary x = floor x enddef; + vardef vfloor primary y = (floor y.o_)_o_ enddef; + vardef hceiling primary x = ceiling x enddef; + vardef vceiling primary y = (ceiling y.o_)_o_ enddef; +fi; |