1 ;;;; paper.scm -- manipulate the paper block.
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 (define-public (paper-set-staff-size sz)
9 "Function to be called inside a \\paper{} block to set the staff size."
10 (let* ((m (current-module))
15 (module-define! m 'fonts (make-cmr-tree (/ sz (* 20 pt))))
17 (module-define! m 'staffheight sz)
18 (module-define! m 'staff-space ss)
19 (module-define! m 'staffspace ss)
22 ;; !! synchronize with feta-params.mf
23 (module-define! m 'linethickness (+ (* 0.3 pt) (* 0.04 ss)))
24 (module-define! m 'outputscale ss)
25 (module-define! m 'ledgerlinethickness (+ (* 0.5 pt) (/ ss 10)))
26 (module-define! m 'blotdiameter (* 0.35 pt))
27 (module-define! m 'interscoreline (* 4 mm))))
29 (define-public (set-global-staff-size sz)
30 "Set the default staff size, where SZ is thought to be in PT."
31 (let* ((old-mod (current-module))
32 (pap (eval '$defaultpaper old-mod))
33 (is-paper? (module-defined? old-mod '$defaultpaper))
36 ;; Huh? Why is it necessary to clone object?
37 (new-paper (ly:output-def-clone pap))
38 (new-scope (ly:output-def-scope new-paper)))
40 (ly:warn "Not in toplevel scope"))
41 (set-current-module new-scope)
42 (paper-set-staff-size (* sz (eval 'pt new-scope)))
43 (set-current-module old-mod)
44 (module-define! old-mod '$defaultpaper new-paper)))
47 '(("a6" . (cons (* 105 mm) (* 148.95 mm)))
48 ("a5" . (cons (* 148.95 mm) (* 210 mm)))
49 ("a4" . (cons (* 210 mm) (* 297.9 mm)))
50 ("a3" . (cons (* 297.9 mm) (* 420 mm)))
51 ("legal" . (cons (* 8.5 in) (* 14.0 in)))
52 ("letter" . (cons (* 8.5 in) (* 11.0 in)))
53 ("tabloid" . (cons (* 11.0 in) (* 17.0 in)))))
55 ;; todo: take dimension arguments.
57 (define (set-paper-dimensions m w h)
58 "M is a module (i.e. paper->scope_ )"
59 (let* ((mm (eval 'mm m)))
60 (module-define! m 'hsize w)
61 (module-define! m 'vsize h)
62 (module-define! m 'linewidth (- w (* 20 mm)))
63 (module-define! m 'indent (/ w 14))
65 ;; page layout - what to do with (printer specific!) margin settings?
66 (module-define! m 'top-margin (* 5 mm))
67 (module-define! m 'bottom-margin (* 6 mm))
68 (module-define! m 'head-sep (* 4 mm))
69 (module-define! m 'foot-sep (* 4 mm))))
73 (define (internal-set-paper-size module name)
74 (let* ((entry (assoc name paper-alist))
75 (is-paper? (module-defined? module '$is-paper))
76 (mm (eval 'mm module)))
80 (ly:warning "This is not a \\paper {} object:")
83 (set! entry (eval (cdr entry) module))
84 (set-paper-dimensions module (car entry) (cdr entry))
85 (module-define! module 'papersize name)
86 (module-define! module 'papersizename name)
87 (set-paper-dimensions module (car entry) (cdr entry)))
89 (ly:warn (string-append "Unknown papersize: " name))))
93 (define-public (set-default-paper-size name)
94 (internal-set-paper-size (ly:output-def-scope (eval '$defaultpaper (current-module)))
97 (define-public (set-paper-size name)
98 (if (module-defined? (current-module) '$is-paper)
99 (internal-set-paper-size (current-module) name)
101 ;;; TODO: should raise (generic) exception with throw, and catch
102 ;;; that in parse-scm.cc
103 (ly:warn "Must use #(set-paper-size .. ) within \\paper { ... }")))