-;;;; paper.scm -- manipulate the paper block.
+;;;; paper.scm -- manipulate the paper and layout block.
;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
;;;; (c) 2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+(define-public (set-paper-dimension-variables mod)
+ (module-define! mod 'dimension-variables
+ '(pt mm cm in staffheight staff-space
+ betweensystemspace betweensystempadding
+ linewidth indent hsize vsize
+ staffspace linethickness ledgerlinethickness
+ blotdiameter interscoreline leftmargin rightmargin)))
-(define-public (paper-set-staff-size sz)
- "Function to be called inside a \\paper{} block to set the staff size."
+(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))
+ (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 'outputscale ss)
(module-define! m 'fonts (make-cmr-tree (/ sz (* 20 pt))))
-
(module-define! m 'staffheight sz)
(module-define! m 'staff-space ss)
(module-define! m 'staffspace ss)
-
;; !! synchronize with feta-params.mf
- (module-define! m 'linethickness (+ (* 0.3 pt) (* 0.04 ss)))
- (module-define! m 'outputscale ss)
+ (module-define! m 'linethickness lt)
(module-define! m 'ledgerlinethickness (+ (* 0.5 pt) (/ ss 10)))
(module-define! m 'blotdiameter (* 0.35 pt))
(module-define! m 'interscoreline (* 4 mm))))
"Set the default staff size, where SZ is thought to be in PT."
(let* ((old-mod (current-module))
(pap (eval '$defaultpaper old-mod))
- (is-paper? (module-defined? old-mod '$defaultpaper))
-
+ (in-layout? (or (module-defined? old-mod 'is-paper)
+ (module-defined? old-mod 'is-layout)))
- ;; Huh? Why is it necessary to clone object?
+ ; maybe not necessary.
+ ; but let's be paranoid. Maybe someone still refers to the
+ ; old one.
(new-paper (ly:output-def-clone pap))
+
(new-scope (ly:output-def-scope new-paper)))
- (if (not is-paper?)
+
+ (if in-layout?
(ly:warn "Not in toplevel scope"))
(set-current-module new-scope)
- (paper-set-staff-size (* sz (eval 'pt new-scope)))
+ (layout-set-staff-size (* sz (eval 'pt new-scope)))
(set-current-module old-mod)
(module-define! old-mod '$defaultpaper new-paper)))
;; todo: take dimension arguments.
(define (set-paper-dimensions m w h)
- "M is a module (i.e. paper->scope_ )"
+ "M is a module (i.e. layout->scope_ )"
(let* ((mm (eval 'mm m)))
(module-define! m 'hsize w)
(module-define! m 'vsize h)
(module-define! m 'indent (/ w 14))
;; page layout - what to do with (printer specific!) margin settings?
- (module-define! m 'top-margin (* 5 mm))
- (module-define! m 'bottom-margin (* 6 mm))
- (module-define! m 'head-sep (* 4 mm))
- (module-define! m 'foot-sep (* 4 mm))))
-
-
-
-(define (internal-set-paper-size module name)
+ (module-define! m 'topmargin (* 5 mm))
+ (module-define! m 'bottommargin (* 6 mm))
+ (module-define! m 'headsep (* 4 mm))
+ (module-define! m 'footsep (* 4 mm))
+ (module-define! m 'leftmargin #f)
+ (module-define! m 'firstpagenumber 1)
+ (module-define! m 'printfirstpagenumber #f)
+ (module-define! m 'rightmargin (* 10 mm))))
+
+(define (internal-set-paper-size module name landscape?)
+ (define (swap x)
+ (cons (cdr x) (car x)))
+
(let* ((entry (assoc name paper-alist))
- (is-paper? (module-defined? module '$is-paper))
+ (is-paper? (module-defined? module 'is-paper))
(mm (eval 'mm module)))
(cond
((not is-paper?)
- (ly:warning "This is not a \\paper {} object:")
- (display module))
+ (ly:warning "This is not a \\layout {} object, ~S"
+ module))
((pair? entry)
- (set! entry (eval (cdr entry) module))
- (set-paper-dimensions module (car entry) (cdr entry))
- (module-define! module 'papersize name)
- (module-define! module 'papersizename name)
- (set-paper-dimensions module (car entry) (cdr entry)))
- (else
- (ly:warn (string-append "Unknown papersize: " name))))
- ))
+ (set! entry (eval (cdr entry) module))
+ (if landscape?
+ (set! entry (swap entry)))
+ (set-paper-dimensions module (car entry) (cdr entry))
+
+
+ (module-define! module 'papersize name)
+
+ ;; FIXME: if this name-play is on purpose, please document. Why
+ ;; is it not used troughout? Should this be removed, or
+ ;; should 'papersize be removed?
+
+ ;; setting \paper{ papersize = "a6" } gives funny results.
+
+ (module-define! module 'papersizename name)
-(define-public (set-default-paper-size name)
- (internal-set-paper-size (ly:output-def-scope (eval '$defaultpaper (current-module)))
- name))
+ (if landscape?
+ (module-define! module 'landscape #t)))
+ (else
+ (ly:warn (string-append "Unknown papersize: " name))))))
+
+(define-public (set-default-paper-size name . rest)
+ (internal-set-paper-size
+ (ly:output-def-scope (eval '$defaultpaper (current-module)))
+ name
+ (memq 'landscape rest)))
-(define-public (set-paper-size name)
- (if (module-defined? (current-module) '$is-paper)
- (internal-set-paper-size (current-module) name)
+(define-public (set-paper-size name . rest)
+ (if (module-defined? (current-module) 'is-paper)
+ (internal-set-paper-size (current-module) name
+ (memq 'landscape rest))
;;; TODO: should raise (generic) exception with throw, and catch
;;; that in parse-scm.cc
(ly:warn "Must use #(set-paper-size .. ) within \\paper { ... }")))
+
+(define-public (scale-layout pap scale)
+ (let* ((new-pap (ly:output-def-clone pap))
+ (dim-vars (ly:output-def-lookup pap 'dimension-variables))
+ (old-scope (ly:output-def-scope pap))
+ (scope (ly:output-def-scope new-pap)))
+
+ (for-each
+ (lambda (v)
+ (let* ((var (module-variable old-scope v))
+ (val (if (variable? var) (variable-ref var) #f)))
+
+ (if (number? val)
+ (module-define! scope v
+ (/ val scale))
+
+ ;; spurious warnings, eg. for hsize, vsize.
+ ;; (ly:warn "not a number, ~S = ~S " v val)
+ )))
+
+ dim-vars)
+
+ new-pap))
projects / lilypond.git / blobdiff