;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 2004--2006 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; (c) 2004--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
(define-public (set-paper-dimension-variables mod)
(module-define! mod 'dimension-variables
'(pt mm cm in staff-height staff-space
page-top-space
between-system-space between-system-padding
- line-width indent paper-width paper-height horizontal-shift
+ line-width indent short-indent paper-width paper-height horizontal-shift
staff-space line-thickness ledgerline-thickness
blot-diameter left-margin right-margin)))
-(define-public (layout-set-staff-size sz)
- "Function to be called inside a \\layout{} block to set the staff size."
- (let* ((m (current-module))
- (ss (/ sz 4))
- (pt (eval 'pt m))
-
-
- ;; linear interpolation.
- (x1 (* 4.125 pt))
- (x0 (* 5 pt))
- (f1 (* 0.47 pt))
- (f0 (* 0.50 pt))
- (lt (/
- (+
- (* f1 (- ss x0))
- (* f0 (- x1 ss)))
- (- x1 x0)))
-
- (mm (eval 'mm m)))
-
- (module-define! m 'text-font-size (* 12 (/ sz (* 20 pt))))
+(define (calc-line-thickness staff-space pt)
+ ;; linear interpolation.
+
+ ;; !! synchronize with feta-params.mf
+ (let*
+ ((x1 (* 4.125 pt))
+ (x0 (* 5 pt))
+ (f1 (* 0.47 pt))
+ (f0 (* 0.50 pt)))
+
+ (/
+ (+
+ (* f1 (- staff-space x0))
+ (* f0 (- x1 staff-space)))
+ (- x1 x0))))
+
+(define-public (layout-set-absolute-staff-size-in-module module staff-height)
+ (let*
+ ((pt (eval 'pt module))
+ (ss (/ staff-height 4))
+ (factor (/ staff-height (* 20 pt)))
+ (setm! (lambda (sym val)
+ (module-define! module sym val))))
+
+ (setm! 'text-font-size (* 12 factor))
- (module-define! m 'output-scale ss)
- (module-define! m 'fonts
+ (setm! 'output-scale ss)
+ (setm! 'fonts
(if tex-backend?
- (make-cmr-tree (/ sz (* 20 pt)))
- (make-century-schoolbook-tree
- (/ sz (* 20 pt)))))
- (module-define! m 'staff-height sz)
- (module-define! m 'staff-space ss)
- (module-define! m 'staff-space ss)
-
- ;; !! synchronize with feta-params.mf
- (module-define! m 'line-thickness lt)
- (module-define! m 'ledgerline-thickness (+ (* 0.5 pt) (/ ss 10)))
- (module-define! m 'blot-diameter (* 0.4 pt))
+ (make-cmr-tree factor)
+ (make-century-schoolbook-tree factor)))
+ (setm! 'staff-height staff-height)
+ (setm! 'staff-space ss)
+
+ (setm! 'line-thickness (calc-line-thickness ss pt))
+
+ ;; sync with feta
+ (setm! 'ledgerline-thickness (+ (* 0.5 pt) (/ ss 10)))
+
+ ;; sync with feta
+ (setm! 'blot-diameter (* 0.4 pt))
))
+(define-public (layout-set-absolute-staff-size sz)
+ "Function to be called inside a \\layout{} block to set the staff
+size. SZ is in points"
+ (layout-set-absolute-staff-size-in-module (current-module) sz))
+
+(define-public (layout-set-staff-size sz)
+ "Function to be called inside a \\layout{} block to set the staff
+size. SZ is in points"
+
+ (layout-set-absolute-staff-size (* (eval 'pt (current-module)) sz)))
+
(define-safe-public (set-global-staff-size sz)
"Set the default staff size, where SZ is thought to be in PT."
- (let* ((old-mod (current-module))
- (pap (eval '$defaultpaper old-mod))
- (in-layout? (or (module-defined? old-mod 'is-paper)
- (module-defined? old-mod 'is-layout)))
+ (let* ((current-mod (current-module))
+ (pap (eval '$defaultpaper current-mod))
+ (in-layout? (or (module-defined? current-mod 'is-paper)
+ (module-defined? current-mod 'is-layout)))
; maybe not necessary.
; but let's be paranoid. Maybe someone still refers to the
(new-scope (ly:output-def-scope new-paper)))
(if in-layout?
- (ly:warning (_ "Not in toplevel scope")))
- (set-current-module new-scope)
- (layout-set-staff-size (* sz (eval 'pt new-scope)))
- (set-current-module old-mod)
- (module-define! old-mod '$defaultpaper new-paper)))
+ (ly:warning (_ "set-global-staff-size: not in toplevel scope")))
+
+ (layout-set-absolute-staff-size-in-module new-scope
+ (* sz (eval 'pt new-scope)))
+ (module-define! current-mod '$defaultpaper new-paper)))
(define-public paper-alist
;; ISO 216 has a tolerance of +- 2mm
'(("a7" . (cons (* 74 mm) (* 105 mm)))
- ("a6" . (cons (* 105 mm) (* 149 mm)))
- ("a5" . (cons (* 149 mm) (* 210 mm)))
- ("a4" . (cons (* 210 mm) (* 298 mm)))
- ("a3" . (cons (* 298 mm) (* 420 mm)))
+ ("a6" . (cons (* 105 mm) (* 148 mm)))
+ ("a5" . (cons (* 148 mm) (* 210 mm)))
+ ("a4" . (cons (* 210 mm) (* 297 mm)))
+ ("a3" . (cons (* 297 mm) (* 420 mm)))
("legal" . (cons (* 8.5 in) (* 14.0 in)))
("letter" . (cons (* 8.5 in) (* 11.0 in)))
("11x17" . (cons (* 11.0 in) (* 17.0 in)))
(let* ((mm (eval 'mm m)))
(module-define! m 'paper-width w)
(module-define! m 'paper-height h)
- (module-define! m 'line-width (- w (* 20 mm)))
+ (module-define! m 'line-width (- w
+ (ly:modules-lookup (list m) 'left-margin (* 10 mm))
+ (ly:modules-lookup (list m) 'right-margin (* 10 mm))))
+
(module-define! m 'indent (/ w 14))
+ (module-define! m 'short-indent (* 5 mm))
;; page layout - what to do with (printer specific!) margin settings?