1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
%%
%% musixvbm.tex - MusiXTeX Extension, Vectorized Beams (& crescendos)
%% by tpic specials / pdfTeX raw literal
%%
%% Copyright (C) 2000-2007 Hiroaki MORIMOTO (Kuuku)
%% 2021-05-17: RDT added comments on the tpic \specials
%%
%% This program is free software; you can redistribute it and/or
%% modify it under the terms of the GNU General Public License
%% as published by the Free Software Foundation; either version 2
%% of the License, or any later version.
%%
%% This program is distributed in the hope that it will be useful,
%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
%% GNU General Public License for more details.
%%
%% You should have received a copy of the GNU General Public License
%% along with this program; if not, write to the Free Software
%% Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
%%
%% \def\domain{nifty.com}
%% Author:
%% Hiroaki MORIMOTO <CQX\relax05646@\domain>
%% Tokyo, Japan
%% URL: http://kuuku.no.coocan.jp/pub/musixtex/index-e.html
%%
%% based on musixtex.tex T.104, line 3255-3290.
%% MusiXTeX : (C) Daniel Taupin et al.
%%
%% January 1, 2007 version 1.20-beta6
%% This is a successor of `musixtpb.tex' ver.1.10.
%%
\ifx\ifvectorizedbeam\undefined\else\endinput\fi
\immediate\write16{MusiXTeX Extension, Vectorized Beams and crescendos <2007/01/01>}%
%
\edef\catcodeat{\the\catcode`\@}\catcode`\@=11
%
% Allocation of registers
% No register is required except for scratch (\dimen@, \count@)
%
% Modes definition (default: true)
\newif\ifvectorizedbeam \vectorizedbeamtrue
%
% Operation mode automatic selection (v1.20)
%
\let\@beammodesel\relax%
\ifx\pdftexversion\undefined\else%
\ifnum\pdfoutput>0\relax
\immediate\write16{musixvbm: uses pdfTeX raw literal}%
\edef\@beammodesel{pdftex}%
\fi
\fi
\ifx\@beammodesel\relax
\immediate\write16{musixvbm: uses tpic specials}%
\edef\@beammodesel{tpic}%
\fi
%
% Overriding beam termination code (v1.20)
%
\let\@beam@font=\@beam\relax
\def\@beam{%
\ifvectorizedbeam
\csname @beam@\@beammodesel\endcsname
\else
\@beam@font
\fi
}%
%
% Main routine for tpic-version beam
% \y@ii : length, \b@p : slope, \y@i : altitude
%
\def\@beam@tpic{%
% X of end
\@dimentomil{\y@ii}{\@Xend}%
% Y of start
\y@iii\y@i
\advance\y@iii -\b@amthick
\@dimentomil{-\y@iii}{\@Ystart@l}%
\advance\y@iii \tw@\b@amthick
\@dimentomil{-\y@iii}{\@Ystart@u}%
% Y of end
\y@iv\y@i
\dimen@=\b@p\y@ii \divide\dimen@ \tw@nty% \tw@nty=20 def'd in musixtex.tex
\advance\y@iv \dimen@
\advance\y@iv -\b@amthick
\@dimentomil{-\y@iv}{\@Yend@l}%
\advance\y@iv \tw@\b@amthick
\@dimentomil{-\y@iv}{\@Yend@u}%
% \special{pn 1}%
\special{sh 1}% RDT: set beam shading to black
\@addbeampath{0}{\@Ystart@l}% RDT: add points to define the beam perimeter
\@addbeampath{\@Xend}{\@Yend@l}%
\@addbeampath{\@Xend}{\@Yend@u}%
\@addbeampath{0}{\@Ystart@u}%
\@addbeampath{0}{\@Ystart@l}% RDT: close the perimeter
\special{ip}% RDT: draw the beam (without the outline)
\kern\y@ii
}%
%
%
% Subroutines for tpic-version beam
%
\def\@dimentomil#1#2{{%
% 1m-in = 0.07227pt, 1pt = 13.837m-in
% \count@=\count255 \dimen@=\dimen0 def'd in plain
\dimen@=#1\relax\dimen@=13.837\dimen@\relax
\count@\dimen@
\ifnum\count@>0
\advance\count@ by 32768
\else
\advance\count@ by -32768
\fi
\divide\count@ by 65536
\xdef#2{\the\count@}}}%
%
\def\@addbeampath#1#2{\special{pa #1 #2}}%
%
%
% Main routine for pdfTeX
%
\def\@beam@pdftex{%
% X of end
\edef\@Xend{\strip@pt\y@ii}%
% Y of start
\y@iii\y@i
\advance\y@iii -\b@amthick
\edef\@Ystart@l{\strip@pt\y@iii}%
\advance\y@iii \tw@\b@amthick
\edef\@Ystart@u{\strip@pt\y@iii}%
% Y of end
\y@iv\y@i
\dimen@=\b@p\y@ii \divide\dimen@ \tw@nty% \tw@nty=20 def'd in musixtex.tex
\advance\y@iv \dimen@
\advance\y@iv -\b@amthick
\edef\@Yend@l{\strip@pt\y@iv}%
\advance\y@iv \tw@\b@amthick
\edef\@Yend@u{\strip@pt\y@iv}%
\pdfliteral{q 0 g 0 \@Ystart@l\space m \@Xend\space\@Yend@l\space l \@Xend\space\@Yend@u\space l 0 \@Ystart@u\space l 0 \@Ystart@l\space l f Q}%
\kern\y@ii
}%
%
% Subroutines for pdfTeX
% (taken from latex.ltx 2003/12/01)
\begingroup
\catcode`P=12
\catcode`T=12
\lowercase{%
\def\x{\def\rem@pt##1.##2PT{##1\ifnum##2>\z@.##2\fi}}}%
\expandafter\endgroup\x
\def\strip@pt{\expandafter\rem@pt\the}%
%
%
% vectorized version of crescendo, decrescendo (under construction)
%
\let\C@cresc@font=\C@cresc\relax
%
% for tpic-version crescendo
% #1=length (any TeX dimension, no limit))
\def\C@cresc@tpic#1{%
\y@iv#1\relax
% \rlap{\vrule width\y@iv height1pt}%
\@dimentomil{\y@iv}{\@Xend}%
\dimen@=2.5pt \advance\dimen@ by.00125\y@iv\relax% see musixspx.mf
\@dimentomil{\dimen@}{\@Yend@l}%
\special{pn 6}% 0.4pt=5.5348mil see musixspx.mf
\ifnum\n@ii=\@cxv% decrescendo see musixtex.tex T.112 line 3870
\@addbeampath{0}{\@Yend@l}%
\@addbeampath{\@Xend}{0}%
\special{fp}%
\@addbeampath{0}{-\@Yend@l}%
\@addbeampath{\@Xend}{0}%
\special{fp}%
\else
\@addbeampath{\@Xend}{\@Yend@l}%
\@addbeampath{0}{0}%
\special{fp}%
\@addbeampath{\@Xend}{-\@Yend@l}%
\@addbeampath{0}{0}%
\special{fp}%
\fi
% \C@cresc@font#1%
}%
%
% for pdfTeX-version crescendo
% #1=length (any TeX dimension, no limit))
\def\C@cresc@pdftex#1{%
\y@iv#1\relax
% \rlap{\vrule width\y@iv height1pt}%
\edef\@Xend{\strip@pt\y@iv}%
\dimen@=2.5pt \advance\dimen@ by.00125\y@iv\relax% see musixspx.mf
\edef\@Yend@l{\strip@pt\dimen@}%
\ifnum\n@ii=\@cxv% decrescendo see musixtex.tex T.112 line 3870
\pdfliteral{.4 w q 0 g 0 \@Yend@l\space m \@Xend\space 0 l S Q q 0 g 0 -\@Yend@l\space m \@Xend\space 0 l S Q}%
\else
\pdfliteral{.4 w q 0 g \@Xend\space \@Yend@l\space m 0 0 l S Q q 0 g \@Xend\space -\@Yend@l\space m 0 0 l S Q}%
\fi
% \C@cresc@font#1%
}%
%
% Overriding crescendo (v1.20)
%
\def\C@cresc#1{%
\ifvectorizedbeam
\csname C@cresc@\@beammodesel\endcsname#1
\else
\C@cresc@font#1
\fi
}%
%
\catcode`\@=\catcodeat
\endinput
|
