]> git.donarmstrong.com Git - lilypond.git/blob - scm/translation-functions.scm
Fix some bugs in the dynamic engraver and PostScript backend
[lilypond.git] / scm / translation-functions.scm
1 ;;;; translation-functions.scm --
2 ;;;;
3 ;;;;  source file of the GNU LilyPond music typesetter
4 ;;;; 
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;;                 Jan Nieuwenhuizen <janneke@gnu.org>
7
8 (define-public (denominator-tuplet-formatter mus)
9   (number->string (ly:music-property mus 'denominator)))
10
11 (define-public (fraction-tuplet-formatter mus)
12   (string-append
13    (number->string (ly:music-property mus 'denominator))
14    ":"
15    (number->string (ly:music-property mus 'numerator))))
16
17 ;; metronome marks
18 (define-public (format-metronome-markup event context)
19   (let* ((dur (ly:music-property event 'tempo-unit))
20        (count (ly:music-property event 'metronome-count))
21        (note-mark (make-smaller-markup
22                    (make-note-by-number-markup (ly:duration-log dur)
23                                                (ly:duration-dot-count dur)
24                                                1))))  
25     (make-line-markup
26      (list
27       (make-general-align-markup Y DOWN note-mark)
28       (make-simple-markup  "=")
29       (make-simple-markup (number->string count))))))
30
31 (define-public (format-mark-alphabet mark context)
32   (make-bold-markup (make-markalphabet-markup (1- mark))))
33
34 (define-public (format-mark-box-alphabet mark context)
35   (make-bold-markup (make-box-markup (make-markalphabet-markup (1- mark)))))
36
37 (define-public (format-mark-circle-alphabet mark context)
38   (make-bold-markup (make-circle-markup (make-markalphabet-markup (1- mark)))))
39
40 (define-public (format-mark-letters mark context)
41   (make-bold-markup (make-markletter-markup (1- mark))))
42
43 (define-public (format-mark-numbers mark context)
44   (make-bold-markup (number->string mark)))
45
46 (define-public (format-mark-barnumbers mark context)
47   (make-bold-markup (number->string (ly:context-property context 'currentBarNumber))))
48
49 (define-public (format-mark-box-letters mark context)
50   (make-bold-markup (make-box-markup (make-markletter-markup (1- mark)))))
51
52 (define-public (format-mark-circle-letters mark context)
53   (make-bold-markup (make-circle-markup (make-markletter-markup (1- mark)))))
54
55 (define-public (format-mark-box-numbers mark context)
56   (make-bold-markup (make-box-markup (number->string mark))))
57
58 (define-public (format-mark-circle-numbers mark context)
59   (make-bold-markup (make-circle-markup (number->string mark))))
60
61 (define-public (format-mark-box-barnumbers mark context)
62   (make-bold-markup (make-box-markup
63     (number->string (ly:context-property context 'currentBarNumber)))))
64
65 (define-public (format-mark-circle-barnumbers mark context)
66   (make-bold-markup (make-circle-markup
67     (number->string (ly:context-property context 'currentBarNumber)))))
68
69
70 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
71 ;; Bass figures.
72 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
73
74 (define-public (format-bass-figure figure event context)
75   (let* ((fig (ly:music-property event 'figure))
76          (fig-markup (if (number? figure)
77
78                          ;; this is not very elegant, but center-aligning all digits
79                          ;; is problematic with other markups, and shows problems
80                          ;; in the (lack of) overshoot of feta alphabet glyphs.
81                          
82                          ((if (<= 10 figure)
83                               (lambda (y) (make-translate-scaled-markup (cons -0.7 0) y))
84                               identity)
85
86                           (if (eq? #t (ly:music-property event 'diminished))
87                               (markup #:slashed-digit figure)
88                               (markup #:number (number->string figure 10))))
89                          #f
90                          ))
91          (alt (ly:music-property event 'alteration))
92          (alt-markup
93           (if (number? alt)
94               (markup
95                #:general-align Y DOWN #:fontsize
96                (if (not (= alt DOUBLE-SHARP))
97                    -2 2)
98                (alteration->text-accidental-markup alt))
99               
100               #f))
101          (plus-markup (if (eq? #t (ly:music-property event 'augmented))
102                           (markup #:number "+")
103                           #f))
104
105          (alt-dir (ly:context-property context 'figuredBassAlterationDirection))
106          (plus-dir (ly:context-property context 'figuredBassPlusDirection))
107          )
108
109     (if (and (not fig-markup) alt-markup)
110         (begin
111           (set! fig-markup (markup #:left-align #:pad-around 0.3 alt-markup))
112           (set! alt-markup #f)))
113
114
115     ;; hmm, how to get figures centered between note, and
116     ;; lone accidentals too?
117     
118     ;;    (if (markup? fig-markup)
119     ;;  (set!
120     ;;   fig-markup (markup #:translate (cons 1.0 0)
121     ;;                      #:hcenter fig-markup)))
122
123     (if alt-markup
124         (set! fig-markup
125               (markup #:put-adjacent
126                       fig-markup X
127                       (if (number? alt-dir)
128                           alt-dir
129                           LEFT)
130                       #:pad-x 0.2 alt-markup
131                       )))
132
133     
134     (if plus-markup
135         (set! fig-markup
136               (if fig-markup
137                   (markup #:put-adjacent
138                           fig-markup
139                           X (if (number? plus-dir)
140                                 plus-dir
141                                 LEFT)
142                           #:pad-x 0.2 plus-markup)
143                   plus-markup)))
144     
145     (if (markup? fig-markup)
146         (markup #:fontsize -2 fig-markup)
147         empty-markup)
148
149     ))
150