X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Foutput-lib.scm;h=d5d9d10264b5748adcf5f3bd65dcd313ce749751;hb=5290934e764da1ad7a355d3f9f01c299ac2390f1;hp=d03fb732adadfe0a3b64c20794f156a3e1bb6aef;hpb=ffe31dbd78a47d432ab433b427a8f4539d16a5ba;p=lilypond.git

diff --git a/scm/output-lib.scm b/scm/output-lib.scm
index d03fb732ad..d5d9d10264 100644
--- a/scm/output-lib.scm
+++ b/scm/output-lib.scm
@@ -2,122 +2,128 @@
 ;;;;
 ;;;;  source file of the GNU LilyPond music typesetter
 ;;;; 
-;;;; (c)  1998--2003 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
 
-; Tablature functions, by Jiba (jiba@tuxfamily.org)
 
-; The TabNoteHead stem attachment function.
+;;; Tablature functions, by Jiba (jiba@tuxfamily.org)
+
+;; The TabNoteHead stem attachment function.
 (define (tablature-stem-attachment-function style duration)
-  (cons 0.0 0.5) ;; UGH!
-)
-
-; The TabNoteHead molecule callback.
-; Create a text molecule
-(define-public (tablature-molecule-callback grob)
-  (let ((molecule (fontify-text
-                   (ly:get-default-font grob)
-                   (ly:get-grob-property grob 'text)
-                   )))
-    molecule ; return the molecule.
-    )
-  )
-
-; The TabNoteHead tablatureFormat callback.
-; Compute the text grob-property
+  (cons 0.0 0.5))
+
+;; The TabNoteHead tablatureFormat callback.
+;; Compute the text grob-property
 (define-public (fret-number-tablature-format string tuning pitch)
   (number->string
    (- (ly:pitch-semitones pitch)
       (list-ref tuning
-                (- string 1) ; remove 1 because list index starts at 0 and guitar string at 1.
-                )
-      )
-   )
-  )
-
-(define-public (hammer-molecule-callback grob)
-  (let* ((note-collums (ly:get-grob-property grob 'note-columns))
+		;; remove 1 because list index starts at 0 and guitar string at 1. 
+                (- string 1)))))
+
+;; The 5-string banjo has got a extra string, the fifth (duh), wich
+;; starts at the fifth fret on the neck. Frets on the fifth string
+;; are referred to relative to the other frets:
+;;   the "first fret" on the fifth string is really the sixth fret
+;;   on the banjo neck.
+;; We solve this by defining a new fret-number-tablature function:
+(define-public (fret-number-tablature-format-banjo string tuning pitch)
+    (let ((fret (- (ly:pitch-semitones pitch) (list-ref tuning (- string 1)))))
+        (number->string (cond
+            ((and (> fret 0) (= string 5))
+                (+ fret 5))
+            (else fret)))))
+
+(define-public (hammer-print-function grob)
+  (let* ((note-collums (ly:grob-property grob 'note-columns))
          (note-column1 (cadr note-collums))
          (note-column2 (car  note-collums))
-         (note1        (car (ly:get-grob-property note-column1 'note-heads)))
-         (note2        (car (ly:get-grob-property note-column2 'note-heads)))
-         (fret1        (string->number (ly:get-grob-property note1 'text)))
-         (fret2        (string->number (ly:get-grob-property note2 'text)))
-         (letter       (if (< fret1 fret2) "H"
-                       (if (> fret1 fret2) "P"
-                                           "")))
-         )
-    (let ((slur (Slur::brew_molecule grob))
-          (text (fontify-text (ly:get-default-font grob) letter)))
-    
-      (let ((x (/ (- (cdr (ly:molecule-get-extent slur 0)) 
-                     (/ (cdr (ly:molecule-get-extent text 0)) 2.0)
-                     )
-                  -2.0)))
+         (note1 (car (ly:grob-property note-column1 'note-heads)))
+         (note2 (car (ly:grob-property note-column2 'note-heads)))
+	 (text1 (ly:grob-property note1 'text))
+	 (text2 (ly:grob-property note2 'text))
+         (fret1 (if (string? text1) (string->number text1) 0))
+         (fret2 (if (string? text2) (string->number text2) 0))
+         (letter (cond
+		  ((< fret1 fret2) "H")
+		  ((> fret1 fret2) "P")
+		  (else ""))))
+    (let* ((slur
+	    ;; (Slur::print grob)
+
+	    ;; 
+	    ;; FIXME: a hammer is not a slur.
+	    ;; 
+	    (ly:make-stencil '() '(0 . 0) '(0 . 0)))
+	   (layout (ly:grob-layout grob))
+	   (text (interpret-markup
+		  layout
+		  (ly:grob-alist-chain grob (ly:output-def-lookup layout 'text-font-defaults))
+		  letter)))
       
-        (ly:molecule-set-extent! text 0 (cons x x))
-        (ly:molecule-align-to! text 0 1)
-        )
-
-      (ly:molecule-combine-at-edge slur 1 1 text -0.6)
-      )
-    )
-  )
-
-
-
-(define-public guitar-tunings '(4 -1 -5 -10 -15 -20))
-
-; end of tablature functions
-
+      (let ((x (/ (- (cdr (ly:stencil-extent slur 0)) 
+                     (/ (cdr (ly:stencil-extent text 0)) 2.0))
+                  -2.0)))
 
-(define-public (make-molecule-boxer line-thick x-padding y-padding callback)
-   "Makes a routine that adds a box around the grob parsed as argument"
-  (define (molecule-boxer grob)
-  (let*
-   (
-    (mol    (callback grob))
-    (x-ext (widen-interval (ly:molecule-get-extent mol 0) x-padding))
-    (y-ext (widen-interval (ly:molecule-get-extent mol 1) y-padding))
-    (x-rule (make-filled-box-molecule (widen-interval x-ext line-thick)
-                              (cons 0 line-thick)))
-    (y-rule (make-filled-box-molecule (cons 0 line-thick) y-ext))
-    )
-    
-    (set! mol (ly:molecule-combine-at-edge mol 0 1 y-rule x-padding))
-    (set! mol (ly:molecule-combine-at-edge mol 0 -1  y-rule x-padding))
-    (set! mol (ly:molecule-combine-at-edge mol 1 1  x-rule 0))  
-    (set! mol (ly:molecule-combine-at-edge mol 1 -1 x-rule 0))
-    
-    mol
- ))
- molecule-boxer
- )
+	(set! text
+	      (ly:make-stencil (ly:stencil-expr text)
+			       (cons x x)
+			       (ly:stencil-extent text Y)))
+	
+        (ly:stencil-aligned-to text X RIGHT)))))
+
+
+(define-public guitar-tuning '(4 -1 -5 -10 -15 -20))
+(define-public bass-tuning '(-17 -22 -27 -32))
+
+;; tunings for 5-string banjo
+(define-public banjo-open-g-tuning '(2 -1 -5 -10 7))
+(define-public banjo-c-tuning '(2 -1 -5 -12 7))
+(define-public banjo-modal-tuning '(2 0 -5 -10 7))
+(define-public banjo-open-d-tuning '(2 -3 -6 -10 9))
+(define-public banjo-open-dm-tuning '(2 -3 -6 -10 9))
+;; convert 5-string banjo tunings to 4-string tunings by
+;; removing the 5th string
+;;
+;; example:
+;; \set TabStaff.stringTunings = #(four-string-banjo banjo-open-g-tuning)
+(define-public (four-string-banjo tuning)
+  (reverse (cdr (reverse tuning))))
+
+;;; end of tablature functions
+
+(define-public (make-stencil-boxer thickness padding callback)
+  "Return function that adds a box around the grob passed as argument."
+  (lambda (grob) (box-stencil (callback grob) thickness padding)))
+
+(define-public (make-stencil-circler thickness padding callback)
+  "Return function that adds a circle around the grob passed as argument."
+  (lambda (grob) (circle-stencil (callback grob) thickness padding)))
 
 (define-public (arg->string arg)
-  (cond ((number? arg) (inexact->string arg 10))
+  (cond ((number? arg) (ly:inexact->string arg 10))
 	((string? arg) (string-append "\"" arg "\""))
 	((symbol? arg) (string-append "\"" (symbol->string arg) "\""))))
 
-(define-public (func name . args)
-  (string-append
-   "(" name
-   (if (null? args)
-       ""
-       (apply string-append
-	      (map (lambda (x) (string-append " " (arg->string x))) args)))
-   ")\n"))
+(define-public (print-circled-text-callback grob)
+  (let* ((text (ly:grob-property grob 'text))
+	 (layout (ly:grob-layout grob))
+	 (defs (ly:output-def-lookup layout 'text-font-defaults))
+	 (props (ly:grob-alist-chain grob defs))
+	 (circle (Text_interface::interpret_markup
+		  layout props (make-draw-circle-markup 0.8 0.1 #f)))
+	 (text-stencil (Text_interface::interpret_markup layout props text)))
+    
+    (ly:stencil-add (centered-stencil text-stencil) circle)))
+
 
 ;;(define (mm-to-pt x)
 ;;  (* (/ 72.27 25.40) x))
 
 ;; do nothing in .scm output
-(define-public (comment s) "")
 
-(define-public (numbers->string l)
-  (apply string-append (map ly:number->string l)))
-
-; (define (chop-decimal x) (if (< (abs x) 0.001) 0.0 x))
+(define-public (ly:numbers->string lst)
+  (string-join (map ly:number->string lst) " "))
 
 (define (number->octal-string x)
   (let* ((n (inexact->exact x))
@@ -128,87 +134,55 @@
      (number->string n8)
      (number->string (remainder (- n (+ (* n64 64) (* n8 8))) 8)))))
 
-(define-public (inexact->string x radix)
+(define-public (ly:inexact->string x radix)
   (let ((n (inexact->exact x)))
     (number->string n radix)))
 
-
-(define-public (number-pair->string c)
-  (string-append (number->string (car c)) " "
-		 (number->string (cdr c)) " "))
-
-(define (font i)
-  (string-append
-   "font"
-   (make-string 1 (integer->char (+ (char->integer #\A) i)))))
-
-(define (scm-scm action-name)
-  1)
+(define-public (ly:number-pair->string c)
+  (string-append (ly:number->string (car c)) " "
+		 (ly:number->string (cdr c))))
 
 
 ;; silly, use alist? 
 (define-public (find-notehead-symbol duration style)
   (case style
-   ((xcircle) "2xcircle")
-   ((harmonic) "0neo_mensural")
-   ((baroque) 
-    ;; Oops, I actually would not call this "baroque", but, for
-    ;; backwards compatibility to 1.4, this is supposed to take
-    ;; brevis, longa and maxima from the neo-mensural font and all
-    ;; other note heads from the default font.  -- jr
-    (if (< duration 0)
-	(string-append (number->string duration) "neo_mensural")
-	(number->string duration)))
-   ((mensural)
-    (string-append (number->string duration) (symbol->string style)))
-   ((neo_mensural)
-    (string-append (number->string duration) (symbol->string style)))
-   ((default)
-    ;; The default font in mf/feta-bolletjes.mf defines a brevis, but
-    ;; neither a longa nor a maxima.  Hence let us, for the moment,
-    ;; take these from the neo-mensural font.  TODO: mf/feta-bolletjes
-    ;; should define at least a longa for the default font.  The longa
-    ;; should look exactly like the brevis of the default font, but
-    ;; with a stem exactly like that of the quarter note. -- jr
-    (if (< duration -1)
-	(string-append (number->string duration) "neo_mensural")
-	(number->string duration)))
-   (else
-    (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
-	(symbol->string style)
-	(string-append (number->string (max 0 duration))
-		       (symbol->string style))))))
-
-
-(define (note-head-style->attachment-coordinates style duration)
-  "Return pair (X . Y), containing multipliers for the note head
-bounding box, where to attach the stem. e.g.: X==0 means horizontally
-centered, X==1 is at the right, X == -1 is at the left."
-
-  (case style
+    ((xcircle) "2xcircle")
+    ((harmonic) "0harmonic")
+    ((baroque) 
+     ;; Oops, I actually would not call this "baroque", but, for
+     ;; backwards compatibility to 1.4, this is supposed to take
+     ;; brevis, longa and maxima from the neo-mensural font and all
+     ;; other note heads from the default font.  -- jr
+     (if (< duration 0)
+	 (string-append (number->string duration) "neomensural")
+	 (number->string duration)))
+    ((mensural)
+     (string-append (number->string duration) (symbol->string style)))
+    ((neomensural)
+     (string-append (number->string duration) (symbol->string style)))
     ((default)
+     ;; The default font in mf/feta-bolletjes.mf defines a brevis, but
+     ;; neither a longa nor a maxima.  Hence let us, for the moment,
+     ;; take these from the neo-mensural font.  TODO: mf/feta-bolletjes
+     ;; should define at least a longa for the default font.  The longa
+     ;; should look exactly like the brevis of the default font, but
+     ;; with a stem exactly like that of the quarter note. -- jr
      (if (< duration -1)
-	 '(0.0 . 0.6) ;; neo-mensural
-	 '(1.0 . 0.5) ;; default
-	 ))
-    ((cross) '(1.0 . 0.75))
-    ((mensural) '(0.0 . 0.6))
-    ((neo_mensural) '(0.0 . 0.6))
-    ((diamond) '(1.0 . 0.8))
-    ((transparent) '(1.0 . 1.0))
-    ((slash) '(1.0 . 1.0))
-    ((harmonic) '(1.0 0.0))
-    ((triangle) '(0.75 . 0.15))
-    ((baroque)
-     (if (< duration 0)
-	 '(0.0 . 0.6) ;; neo-mensural
-	 '(1.0 . 0.5) ;; default
-	 ))
+	 (string-append (number->string duration) "neomensural")
+	 (number->string duration)))
     (else
+     (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
+	 (symbol->string style)
+	 (string-append (number->string (max 0 duration))
+			(symbol->string style))))))
 
-     ;; this also works for easy notation.
-     '(1.0 . 0.0)
-     )))
+;; TODO junk completely?
+(define (note-head-style->attachment-coordinates grob axis)
+  "Return pair (X . Y), containing multipliers for the note head
+bounding box, where to attach the stem. e.g.: X==0 means horizontally
+centered, X==1 is at the right, X == -1 is at the left."
+
+  '(1.0 . 0.0))
 
 (define-public (string-encode-integer i)
   (cond
@@ -218,61 +192,85 @@ centered, X==1 is at the right, X == -1 is at the left."
 	  (make-string 1 (integer->char (+ 65 (modulo i 26))))
 	  (string-encode-integer (quotient i 26))))))
 
-
 (define-public ((every-nth-bar-number-visible n) barnum) (= 0 (modulo barnum n)))
 
 (define-public ((modulo-bar-number-visible n m) barnum) (and (> barnum 1) (= m (modulo barnum n))))
 
 (define-public ((set-bar-number-visibility n) tr)
-  (let* ((bn (ly:get-context-property tr 'currentBarNumber)))
-   (ly:set-context-property tr 'barNumberVisibility (modulo-bar-number-visible n (modulo bn n))))
-)
+  (let* ((bn (ly:context-property tr 'currentBarNumber)))
+    (ly:context-set-property! tr 'barNumberVisibility (modulo-bar-number-visible n (modulo bn n)))))
 
 (define-public (default-bar-number-visibility barnum) (> barnum 1))
 
 ;; See documentation of Item::visibility_lambda_
-(define-public (begin-of-line-visible d) (if (= d 1) '(#f . #f) '(#t . #t)))
-(define-public (end-of-line-visible d) (if (= d -1) '(#f . #f) '(#t . #t)))
-(define-public (spanbar-begin-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
+(define-safe-public (begin-of-line-visible d) (if (= d 1) '(#f . #f) '(#t . #t)))
+(define-safe-public (end-of-line-visible d) (if (= d -1) '(#f . #f) '(#t . #t)))
+(define-safe-public (spanbar-begin-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
 
-(define-public (all-visible d) '(#f . #f))
-(define-public (all-invisible d) '(#t . #t))
-(define-public (begin-of-line-invisible d) (if (= d 1) '(#t . #t) '(#f . #f)))
-(define-public (end-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
+(define-safe-public (all-visible d) '(#f . #f))
+(define-safe-public (all-invisible d) '(#t . #t))
+(define-safe-public (begin-of-line-invisible d) (if (= d 1) '(#t . #t) '(#f . #f)))
+(define-safe-public (center-invisible d) (if (= d 0) '(#t . #t) '(#f . #f)))
+(define-safe-public (end-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Bar lines.
 
-;
-; How should a  bar line behave at a break? 
-;
+;;
+;; How should a  bar line behave at a break? 
+;;
 ;; Why prepend `default-' to every scm identifier?
 (define-public (default-break-barline glyph dir)
-   (let ((result (assoc glyph 
-			'((":|:" . (":|" . "|:"))
-			  ("||:" . ("||" . "|:"))
-			  ("|" . ("|" . ()))
-			  ("||:" . ("||" . "|:"))
-			  ("|s" . (() . "|"))
-			  ("|:" . ("|" . "|:"))
-			  ("|." . ("|." . ()))
-
-			  ;; hmm... should we end with a barline here?
-			  (".|" . ("|" . ".|"))
-			  (":|" . (":|" . ()))
-			  ("||" . ("||" . ()))
-			  (".|." . (".|." . ()))
-			  ("" . ("" . ""))
-			  ("empty" . (() . ()))
-			  ("brace" . (() . "brace"))
-			  ("bracket" . (() . "bracket"))  
-			  )
-			)))
-
-     (if (equal? result #f)
-	 (ly:warn (string-append "Unknown bar glyph: `" glyph "'"))
-	 (index-cell (cdr result) dir))
-     )
-   )
-     
+  (let ((result (assoc glyph 
+		       '((":|:" . (":|" . "|:"))
+			 ("||:" . ("||" . "|:"))
+			 ("|" . ("|" . ()))
+			 ("||:" . ("||" . "|:"))
+			 ("|s" . (() . "|"))
+			 ("|:" . ("|" . "|:"))
+			 ("|." . ("|." . ()))
+
+			 ;; hmm... should we end with a bar line here?
+			 (".|" . ("|" . ".|"))
+			 (":|" . (":|" . ()))
+			 ("||" . ("||" . ()))
+			 (".|." . (".|." . ()))
+			 ("" . ("" . ""))
+			 (":" . (":" . ""))
+			 ("empty" . (() . ()))
+			 ("brace" . (() . "brace"))
+			 ("bracket" . (() . "bracket"))  ))))
+
+    (if (equal? result #f)
+	(ly:warning (_ "unknown bar glyph: `~S'" glyph))
+	(index-cell (cdr result) dir))))
+
+(define-public (shift-right-at-line-begin g)
+  "Shift an item to the right, but only at the start of the line."
+  (if (and (ly:item? g)  (equal? (ly:item-break-dir g) RIGHT))
+      (ly:grob-translate-axis! g 3.5 X)))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Color
+
+(define-public color? list?)
+
+; predefined colors
+(define-public black       '(0.0 0.0 0.0))
+(define-public white       '(1.0 1.0 1.0))
+(define-public red         '(1.0 0.0 0.0))
+(define-public green       '(0.0 1.0 0.0))
+(define-public blue        '(0.0 0.0 1.0))
+(define-public cyan        '(1.0 1.0 0.0))
+(define-public magenta     '(1.0 0.0 1.0))
+(define-public yellow      '(0.0 1.0 1.0))
+
+(define-public grey        '(0.5 0.5 0.5))
+(define-public darkred     '(0.5 0.0 0.0))
+(define-public darkgreen   '(0.0 0.5 0.0))
+(define-public darkblue    '(0.0 0.0 0.5))
+(define-public darkcyan    '(0.5 0.5 0.0))
+(define-public darkmagenta '(0.5 0.0 0.5))
+(define-public darkyellow  '(0.0 0.5 0.5))