% flags
%
-
fet_begingroup("floogbars")
-save flag_angle, flare;
-save hip_thickness, hip_depth, hip_width;
-save foot_thickness, foot_depth, foot_width;
-
-flag_angle = 32;
-
-hip_thickness# = 1.2 stafflinethickness#;
-foot_thickness# = blot_diameter#;
-flare# = 1.0 interline#;
-
-hip_depth# = 15/7 interline#;
-hip_width# = 7/8 interline# + hip_thickness# /2 + stemthickness#/2;
+% Flags pointing down overlap with the notehead (in x-direction), so
+% the down-flag can be bigger
+upflag_width# = .750 black_notehead_width#;
+downflag_width# = .833 black_notehead_width#;
-foot_depth# = flare# + 15/7 interline#;
-foot_width# = .8 hip_width#;
-
-
-define_pixels(flare,
- hip_depth, hip_width, hip_thickness,
- foot_depth, foot_width, foot_thickness
-);
+%
+% Flags pointing down cannot overlap with the notehead in y-direction,
+% so they have less slant.
-%treq;
+%
+% Because of optical illusion, the utmost flag
+% (bottom for down-pointing, top
+% for up-pointing) should be smaller than the other flags
+%
+save hip_thickness, foot_thickness;
+hip_thickness# = 1.3 stemthickness#;
+foot_thickness# = hip_thickness#;
%
-% Inspired by Adobe Sonata,
+% Inspired by Adobe Sonata and [Wanske]
% for example, see POSTSCRIPT Language -- program design,
-% page 119
+% page 119, and [Wanske], p 41,42
%
-def draw_eight_flag =
- penpos0(stemthickness, 0);
+def draw_flag(expr center, flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness, flagcut) =
+ clearxy;
+
penpos1(flare, 90);
- penpos2(hip_thickness, 0);
+ penpos2(whatever, 40);
+ x2r - x2l = hip_thickness;
penpos3(foot_thickness, 0) ;
- penpos4(stemthickness, 0);
- z0r = z1r;
- z0 = (0,0);
- z2 = (hip_width, -hip_depth);
- z3 = (foot_width, -foot_depth);
- z4r = z1l;
+ z1r = center;
+ z2 = center + (hip_width, -flare - hip_depth);
+ z3orig = center + (foot_width, -flare - foot_depth);
+ z3 = (1-flagcut) [z2, z3orig];
+
save bot_dir, bot_path;
pair bot_dir;
bot_path := z2{down} .. z3;
bot_dir := direction 1 of bot_path;
- fill z1l{dir -flag_angle} .. z2l{down} ..
+ fill z1l{curl 0}
+ ..tension 1.1 .. z2l ..
z3l{bot_dir} .. z3r{-bot_dir} ..
- {up}z2r .. {up}z1r ..
- z0l{down} -- z4l -- cycle;
-
- ;
-
+ z2r .. {up}z1r & z1r -- cycle;
enddef;
+
+% godbewaarme, wat een kutsymbolen
fet_beginchar("8th Flag (up)", "3u", "eighthflag")
- set_char_box(stemthickness# /2, hip_width# + hip_thickness#/2,
- foot_depth# + foot_thickness#/2, stemthickness#/2)
- draw_eight_flag;
- penlabels(0, 1, 2, 3, 4);
+ save flare,
+ hip_depth, hip_width,
+ foot_depth, foot_width;
+
+ flare# = 1.0 interline#;
+ hip_depth# = 8/15 foot_depth#;
+ hip_width# = upflag_width# - hip_thickness#/2;
+
+ foot_depth# = 15/7 interline#;
+ foot_width# = .8 hip_width#;
+
+ set_char_box(stemthickness# /2, hip_width# + hip_thickness#/2
+ + stemthickness#/2,
+ flare# + foot_depth# + foot_thickness#/2, stemthickness#/2)
+
+ define_pixels(flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness);
+ draw_flag((stemthickness/2,0), flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness, 0)
+ ;
+ penlabels(1, 2, 3);
+ pickup pencircle scaled stemthickness;
+ draw (0, 0) .. (0,-2 interline);
fet_endchar;
fet_beginchar("8th Flag (down)", "3d", "deighthflag")
- set_char_box(stemthickness# /2, hip_width# + hip_thickness#/2,
- foot_depth# + foot_thickness#/2, stemthickness#/2)
+ save flare,
+ hip_depth, hip_width,
+ foot_depth, foot_width;
+
+ flare# = 1.0 interline#;
+
+ hip_depth# = 8/15 foot_depth#;
+ hip_width# = downflag_width# - hip_thickness#/2;
+ foot_depth# = 15/7 interline#;
+ foot_width# = .8 hip_width#;
+
+ set_char_box(stemthickness# /2, hip_width# + hip_thickness#/2
+ + stemthickness#/2,
+ flare# + foot_depth# + foot_thickness#/2, stemthickness#/2)
+
+ define_pixels(flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness);
+
+ draw_flag((stemthickness/2,0),flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness, 0);
+ pickup pencircle scaled stemthickness;
+ draw (0, 0) .. (0,-2 interline);
+
+ y_mirror_char;
+fet_endchar;
+
+
+fet_beginchar("16th Flag (up)", "4u", "sixteenthflag")
+ save flare, flagspace,
+ hip_depth, hip_width,
+ foot_depth, foot_width;
+
+ flare# = 0.85 interline#;
+ flagspace# = .85 interline#;
+ hip_depth# = 8/15 foot_depth#;
+
+ flagspace# + flare# + foot_depth# = 3.25 interline#;
+
+ hip_width# = upflag_width# - hip_thickness#/2;
+ foot_width# = .8 hip_width#;
+
+ set_char_box(stemthickness# /2, hip_width# + hip_thickness#/2
+ + stemthickness#/2,
+ 3.25 interline#, stemthickness#/2)
+
+ define_pixels(flagspace);
+ define_pixels(flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness);
+
+ draw_flag((stemthickness/2, 0),flare,
+ 1.2 hip_depth, .97 hip_width, hip_thickness,
+ foot_depth, .9 foot_width, foot_thickness, 0.37);
+ draw_flag((stemthickness/2, -flagspace),flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness, 0);
+
+ pickup pencircle scaled stemthickness;
+ draw (0, 0) .. (0,-2 interline);
+
+fet_endchar;
+
+
+fet_beginchar("16th Flag (up)", "4d", "dsixteenthflag")
+ save flare, flagspace,
+ hip_depth, hip_width,
+ foot_depth, foot_width;
+
+ flare# = 0.87 interline#;
+ flagspace# = .9 interline#;
+ hip_depth# = .7 foot_depth#;
+
+ flagspace# + flare# + foot_depth# = 3 interline#;
+
+ hip_width# = downflag_width# - hip_thickness#/2;
+
+ foot_width# = 1.00 hip_width#;
+
+ set_char_box(stemthickness# /2, hip_width# + hip_thickness#/2
+ + stemthickness#/2,
+ 3 interline#, stemthickness#/2)
+
+ define_pixels(flagspace);
+ define_pixels(flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness);
+
+ draw_flag((stemthickness/2, 0),flare,
+ hip_depth, .97 hip_width, hip_thickness,
+ 1.2 foot_depth, .95 foot_width, foot_thickness, 0.0);
+
+ draw_flag((stemthickness/2, -flagspace),flare,
+ hip_depth, hip_width, hip_thickness,
+ foot_depth, foot_width, foot_thickness, 0);
+
+ pickup pencircle scaled stemthickness;
+ draw (0, 0) .. (0,-2 interline);
- draw_eight_flag;
y_mirror_char;
fet_endchar;
-fet_endgroup("floogbars")
+fet_endgroup("floogbars");
projects / lilypond.git / blobdiff