CVSROOT: /cvsroot/lilypond
Module name: lilypond
Branch: lilypond_2_6
Changes by: Mats Bengtsson <[EMAIL PROTECTED]> 05/08/10 08:18:48
Modified files:
. : ChangeLog
scm : define-markup-commands.scm
Log message:
* scm/define-markup-commands.scm (normal-text): Added 2 new
markup commands, \normal-text and \medium (the latter thanks to
Bruce Fairchild).
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/lilypond/lilypond/ChangeLog.diff?only_with_tag=lilypond_2_6&tr1=1.3836.2.22&tr2=1.3836.2.23&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/lilypond/lilypond/scm/define-markup-commands.scm.diff?only_with_tag=lilypond_2_6&tr1=1.93&tr2=1.93.2.1&r1=text&r2=text
Patches:
Index: lilypond/ChangeLog
diff -u lilypond/ChangeLog:1.3836.2.22 lilypond/ChangeLog:1.3836.2.23
--- lilypond/ChangeLog:1.3836.2.22 Mon Aug 8 08:17:21 2005
+++ lilypond/ChangeLog Wed Aug 10 08:18:48 2005
@@ -1,3 +1,9 @@
+2005-08-10 Mats Bengtsson <[EMAIL PROTECTED]>
+
+ * scm/define-markup-commands.scm (normal-text): Added 2 new
+ markup commands, \normal-text and \medium (the latter thanks to
+ Bruce Fairchild).
+
2005-08-08 Mats Bengtsson <[EMAIL PROTECTED]>
* Documentation/user/programming-interface.itely (Markup
Index: lilypond/scm/define-markup-commands.scm
diff -u /dev/null lilypond/scm/define-markup-commands.scm:1.93.2.1
--- /dev/null Wed Aug 10 08:18:48 2005
+++ lilypond/scm/define-markup-commands.scm Wed Aug 10 08:18:48 2005
@@ -0,0 +1,968 @@
+;;;; define-markup-commands.scm -- markup commands
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 2000--2005 Han-Wen Nienhuys <[EMAIL PROTECTED]>
+;;;; Jan Nieuwenhuizen <[EMAIL PROTECTED]>
+
+
+;;; markup commands
+;;; * each markup function should have a doc string with
+;; syntax, description and example.
+
+(use-modules (ice-9 regex))
+
+(define-public empty-stencil (ly:make-stencil '() '(1 . -1) '(1 . -1)))
+(define-public point-stencil (ly:make-stencil "" '(0 . 0) '(0 . 0)))
+
+(def-markup-command (stencil layout props stil) (ly:stencil?)
+ "Stencil as markup"
+ stil)
+
+(def-markup-command (draw-circle layout props radius thickness fill)
+ (number? number? boolean?)
+ "A circle of radius @var{radius}, thickness @var{thickness} and
+optionally filled."
+ (make-circle-stencil radius thickness fill))
+
+(def-markup-command (triangle layout props filled) (boolean?)
+ "A triangle, filled or not"
+ (let*
+ ((th (chain-assoc-get 'thickness props 0.1))
+ (size (chain-assoc-get 'font-size props 0))
+ (ex (* (magstep size)
+ 0.8
+ (chain-assoc-get 'baseline-skip props 2))))
+
+ (ly:make-stencil
+ `(polygon '(0.0 0.0
+ ,ex 0.0
+ ,(* 0.5 ex)
+ ,(* 0.86 ex))
+ ,th
+ ,filled)
+
+ (cons 0 ex)
+ (cons 0 (* .86 ex))
+ )))
+
+(def-markup-command (circle layout props arg) (markup?)
+ "Draw a circle around @var{arg}. Use @code{thickness},
[EMAIL PROTECTED] and @code{font-size} properties to determine line
+thickness and padding around the markup."
+ (let* ((th (chain-assoc-get 'thickness props 0.1))
+ (size (chain-assoc-get 'font-size props 0))
+ (pad
+ (* (magstep size)
+ (chain-assoc-get 'circle-padding props 0.2)))
+ (m (interpret-markup layout props arg)))
+ (circle-stencil m th pad)))
+
+(def-markup-command (with-url layout props url arg) (string? markup?)
+ "Add a link to URL @var{url} around @var{arg}. This only works in
+the PDF backend."
+ (let* ((stil (interpret-markup layout props arg))
+ (xextent (ly:stencil-extent stil X))
+ (yextent (ly:stencil-extent stil Y))
+ (old-expr (ly:stencil-expr stil))
+ (url-expr (list 'url-link url `(quote ,xextent) `(quote ,yextent))))
+ (ly:stencil-add (ly:make-stencil url-expr xextent yextent) stil)))
+
+
+(define bbox-regexp
+ (make-regexp "%%BoundingBox: ([0-9-]+) ([0-9-]+) ([0-9-]+) ([0-9-]+)"))
+
+(define (get-postscript-bbox string)
+ "Extract the bbox from STRING, or return #f if not present."
+ (let*
+ ((match (regexp-exec bbox-regexp string)))
+
+ (if match
+ (map (lambda (x)
+ (string->number (match:substring match x)))
+ (cdr (iota 5)))
+
+ #f)))
+
+(def-markup-command (epsfile layout props file-name) (string?)
+ "Inline an EPS image. The image is scaled such that 10 PS units is
+one staff-space."
+
+ (if (ly:get-option 'safe)
+ (interpret-markup layout props "not allowed in safe")
+ (let*
+ ((contents (ly:gulp-file file-name))
+ (bbox (get-postscript-bbox contents))
+ (scaled-bbox
+ (if bbox
+ (map (lambda (x) (/ x 10)) bbox)
+ (begin
+ (ly:warn (_ "can't find bounding box of `~a'")
+ file-name)
+ '()))))
+
+
+ (if bbox
+
+ (ly:make-stencil
+ (list
+ 'embedded-ps
+ (string-append
+
+ ; adobe 5002.
+ "BeginEPSF "
+ "0.1 0.1 scale "
+ (format "\n%%BeginDocument: ~a\n" file-name)
+ contents
+ "%%EndDocument\n"
+ "EndEPSF\n"
+ ))
+ (cons (list-ref scaled-bbox 0) (list-ref scaled-bbox 2))
+ (cons (list-ref scaled-bbox 1) (list-ref scaled-bbox 3)))
+
+ (ly:make-stencil "" '(0 . 0) '(0 . 0))))))
+
+(def-markup-command (score layout props score) (ly:score?)
+ "Inline an image of music."
+ (let* ((output (ly:score-embedded-format score layout)))
+
+ (if (ly:music-output? output)
+ (ly:paper-system-stencil
+ (vector-ref (ly:paper-score-paper-systems output) 0))
+ (begin
+ (ly:warning (_"no systems found in \\score markup, does it have a
\\layout block?"))
+ empty-stencil))))
+
+(def-markup-command (simple layout props str) (string?)
+ "A simple text string; @code{\\markup @{ foo @}} is equivalent with
[EMAIL PROTECTED] @{ \\simple #\"foo\" @}}."
+ (interpret-markup layout props str))
+
+(def-markup-command (encoded-simple layout props sym str) (symbol? string?)
+ "A text string, encoded with encoding @var{sym}. See
[EMAIL PROTECTED] encoding} for more information."
+ (Text_interface::interpret_string layout props sym str))
+
+
+;; TODO: use font recoding.
+;; (make-line-markup
+;; (map make-word-markup (string-tokenize str)))))
+
+(define-public empty-markup
+ (make-simple-markup ""))
+
+
+(def-markup-command (postscript layout props str) (string?)
+ "This inserts @var{str} directly into the output as a PostScript
+command string. Due to technicalities of the output backends,
+different scales should be used for the @TeX{} and PostScript backend,
+selected with @code{-f}.
+
+
+For the TeX backend, the following string prints a rotated text
+
[EMAIL PROTECTED] rotated text
+
[EMAIL PROTECTED]
+0 0 moveto /ecrm10 findfont
+1.75 scalefont setfont 90 rotate (hello) show
[EMAIL PROTECTED] verbatim
+
[EMAIL PROTECTED]
+The magical constant 1.75 scales from LilyPond units (staff spaces) to
+TeX dimensions.
+
+For the postscript backend, use the following
+
[EMAIL PROTECTED]
+gsave /ecrm10 findfont
+ 10.0 output-scale div
+ scalefont setfont 90 rotate (hello) show grestore
[EMAIL PROTECTED] verbatim
+"
+ ;; FIXME
+ (ly:make-stencil
+ (list 'embedded-ps str)
+ '(0 . 0) '(0 . 0)))
+
+;;(def-markup-command (fill-line layout props line-width markups)
+;; (number? markup-list?)
+;; no parser tag -- should make number? markuk-list? thingy
+(def-markup-command (fill-line layout props markups)
+ (markup-list?)
+ "Put @var{markups} in a horizontal line of width @var{line-width}.
+ The markups are spaced/flushed to fill the entire line.
+ If there are no arguments, return an empty stencil.
+"
+
+
+ (define (get-fill-space word-count line-width text-widths)
+ "Calculate the necessary paddings between each two adjacent texts.
+ The lengths of all texts are stored in @var{text-widths}.
+ The normal formula for the padding between texts a and b is:
+ padding = line-width/(word-count - 1) - (length(a) + length(b))/2
+ The first and last padding have to be calculated specially using the
+ whole length of the first or last text.
+ Return a list of paddings.
+"
+ (cond
+ ((null? text-widths) '())
+
+ ;; special case first padding
+ ((= (length text-widths) word-count)
+ (cons
+ (- (- (/ line-width (1- word-count)) (car text-widths))
+ (/ (car (cdr text-widths)) 2))
+ (get-fill-space word-count line-width (cdr text-widths))))
+ ;; special case last padding
+ ((= (length text-widths) 2)
+ (list (- (/ line-width (1- word-count))
+ (+ (/ (car text-widths) 2) (car (cdr text-widths)))) 0))
+ (else
+ (cons
+ (- (/ line-width (1- word-count))
+ (/ (+ (car text-widths) (car (cdr text-widths))) 2))
+ (get-fill-space word-count line-width (cdr text-widths))))))
+
+
+ (let* ((orig-stencils
+ (map (lambda (x) (interpret-markup layout props x))
+ markups))
+ (stencils
+ (map (lambda (stc)
+ (if (ly:stencil-empty? stc)
+ point-stencil
+ stc)) orig-stencils))
+ (text-widths
+ (map (lambda (stc)
+ (if (ly:stencil-empty? stc)
+ 0.0
+ (interval-length (ly:stencil-extent stc X))))
+ stencils))
+ (text-width (apply + text-widths))
+ (word-count (length stencils))
+ (word-space (chain-assoc-get 'word-space props))
+ (line-width (chain-assoc-get 'linewidth props))
+ (fill-space
+ (cond
+ ((= word-count 1)
+ (list
+ (/ (- line-width text-width) 2)
+ (/ (- line-width text-width) 2)))
+ ((= word-count 2)
+ (list
+ (- line-width text-width)))
+ (else
+ (get-fill-space word-count line-width
text-widths))))
+ (fill-space-normal
+ (map (lambda (x)
+ (if (< x word-space)
+ word-space
+ x))
+ fill-space))
+
+ (line-stencils (if (= word-count 1)
+ (list
+ point-stencil
+ (car stencils)
+ point-stencil)
+ stencils)))
+
+ (if (null? (remove ly:stencil-empty? orig-stencils))
+ empty-stencil
+ (stack-stencils-padding-list X RIGHT fill-space-normal line-stencils))))
+
+(define (font-markup qualifier value)
+ (lambda (layout props arg)
+ (interpret-markup layout (prepend-alist-chain qualifier value props) arg)))
+
+(def-markup-command (line layout props args) (markup-list?)
+ "Put @var{args} in a horizontal line. The property @code{word-space}
+determines the space between each markup in @var{args}."
+ (let*
+ ((stencils (map (lambda (m) (interpret-markup layout props m)) args))
+ (space (chain-assoc-get 'word-space props)))
+
+ (stack-stencil-line
+ space
+ (remove ly:stencil-empty? stencils))))
+
+(def-markup-command (fromproperty layout props symbol) (symbol?)
+ "Read the @var{symbol} from property settings, and produce a stencil
+ from the markup contained within. If @var{symbol} is not defined, it
+ returns an empty markup"
+ (let* ((m (chain-assoc-get symbol props)))
+ (if (markup? m)
+ (interpret-markup layout props m)
+ (ly:make-stencil '() '(1 . -1) '(1 . -1)))))
+
+
+(def-markup-command (on-the-fly layout props procedure arg) (symbol? markup?)
+ "Apply the @var{procedure} markup command to
[EMAIL PROTECTED] @var{procedure} should take a single argument."
+ (let* ((anonymous-with-signature (lambda (layout props arg) (procedure
layout props arg))))
+ (set-object-property! anonymous-with-signature
+ 'markup-signature
+ (list markup?))
+ (interpret-markup layout props (list anonymous-with-signature arg))))
+
+
+(def-markup-command (combine layout props m1 m2) (markup? markup?)
+ "Print two markups on top of each other."
+ (let* ((s1 (interpret-markup layout props m1))
+ (s2 (interpret-markup layout props m2)))
+ (ly:stencil-add s1 s2)))
+
+(def-markup-command (finger layout props arg) (markup?)
+ "Set the argument as small numbers."
+ (interpret-markup layout
+ (cons '((font-size . -5) (font-encoding . fetaNumber))
props)
+ arg))
+
+(def-markup-command (fontsize layout props mag arg) (number? markup?)
+ "Set the relative font size, e.g.
[EMAIL PROTECTED]
+A \\fontsize #2 @{ B C @} D
[EMAIL PROTECTED] example
+
+
+This will enlarge the B and the C by two steps.
+"
+ (interpret-markup
+ layout
+ (prepend-alist-chain 'font-size mag props)
+ arg))
+
+
+;; FIXME -> should convert to font-size.
+(def-markup-command (magnify layout props sz arg) (number? markup?)
+ "Set the font magnification for the its argument. In the following
+example, the middle A will be 10% larger:
[EMAIL PROTECTED]
+A \\magnify #1.1 @{ A @} A
[EMAIL PROTECTED] example
+
+Note: magnification only works if a font-name is explicitly selected.
+Use @code{\\fontsize} otherwise."
+ (interpret-markup
+ layout
+ (prepend-alist-chain 'font-magnification sz props)
+ arg))
+
+(def-markup-command (bold layout props arg) (markup?)
+ "Switch to bold font-series"
+ (interpret-markup layout (prepend-alist-chain 'font-series 'bold props) arg))
+
+(def-markup-command (sans layout props arg) (markup?)
+ "Switch to the sans serif family"
+ (interpret-markup layout (prepend-alist-chain 'font-family 'sans props) arg))
+
+(def-markup-command (number layout props arg) (markup?)
+ "Set font family to @code{number}, which yields the font used for
+time signatures and fingerings. This font only contains numbers and
+some punctuation. It doesn't have any letters. "
+ (interpret-markup layout (prepend-alist-chain 'font-encoding 'fetaNumber
props) arg))
+
+(def-markup-command (roman layout props arg) (markup?)
+ "Set font family to @code{roman}."
+ (interpret-markup layout (prepend-alist-chain 'font-family 'roman props)
arg))
+
+(def-markup-command (huge layout props arg) (markup?)
+ "Set font size to +2."
+ (interpret-markup layout (prepend-alist-chain 'font-size 2 props) arg))
+
+(def-markup-command (large layout props arg) (markup?)
+ "Set font size to +1."
+ (interpret-markup layout (prepend-alist-chain 'font-size 1 props) arg))
+
+(def-markup-command (normalsize layout props arg) (markup?)
+ "Set font size to default."
+ (interpret-markup layout (prepend-alist-chain 'font-size 0 props) arg))
+
+(def-markup-command (small layout props arg) (markup?)
+ "Set font size to -1."
+ (interpret-markup layout (prepend-alist-chain 'font-size -1 props) arg))
+
+(def-markup-command (tiny layout props arg) (markup?)
+ "Set font size to -2."
+ (interpret-markup layout (prepend-alist-chain 'font-size -2 props) arg))
+
+(def-markup-command (teeny layout props arg) (markup?)
+ "Set font size to -3."
+ (interpret-markup layout (prepend-alist-chain 'font-size -3 props) arg))
+
+(def-markup-command (caps layout props arg) (markup?)
+ "Set @code{font-shape} to @code{caps}."
+ (interpret-markup layout (prepend-alist-chain 'font-shape 'caps props) arg))
+
+;(def-markup-command (latin-i layout props arg) (markup?)
+; "TEST latin1 encoding."
+; (interpret-markup layout (prepend-alist-chain 'font-shape 'latin1 props)
arg))
+
+(def-markup-command (dynamic layout props arg) (markup?)
+ "Use the dynamic font. This font only contains @b{s}, @b{f}, @b{m},
[EMAIL PROTECTED], @b{p}, and @b{r}. When producing phrases, like [EMAIL
PROTECTED] @b{f}'', the
+normal words (like [EMAIL PROTECTED]'') should be done in a different font.
The
+recommend font for this is bold and italic"
+ (interpret-markup
+ layout (prepend-alist-chain 'font-encoding 'fetaDynamic props) arg))
+
+(def-markup-command (italic layout props arg) (markup?)
+ "Use italic @code{font-shape} for @var{arg}. "
+ (interpret-markup layout (prepend-alist-chain 'font-shape 'italic props)
arg))
+
+(def-markup-command (typewriter layout props arg) (markup?)
+ "Use @code{font-family} typewriter for @var{arg}."
+ (interpret-markup
+ layout (prepend-alist-chain 'font-family 'typewriter props) arg))
+
+(def-markup-command (upright layout props arg) (markup?)
+ "Set font shape to @code{upright}."
+ (interpret-markup
+ layout (prepend-alist-chain 'font-shape 'upright props) arg))
+
+(def-markup-command (normal-text layout props arg) (markup?)
+ "Set all font related properties (except the size) to get the default normal
text font, no matter what font was used earlier."
+ ;; ugh - latin1
+ (interpret-markup layout
+ (cons '((font-family . roman) (font-shape . upright)
(font-series . medium) (font-encoding . latin1)) props)
+ arg))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; symbols.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(def-markup-command (doublesharp layout props) ()
+ "Draw a double sharp symbol."
+
+ (interpret-markup layout props (markup #:musicglyph "accidentals.4")))
+(def-markup-command (sesquisharp layout props) ()
+ "Draw a 3/2 sharp symbol."
+ (interpret-markup layout props (markup #:musicglyph "accidentals.3")))
+
+(def-markup-command (sharp layout props) ()
+ "Draw a sharp symbol."
+ (interpret-markup layout props (markup #:musicglyph "accidentals.2")))
+
+(def-markup-command (semisharp layout props) ()
+ "Draw a semi sharp symbol."
+ (interpret-markup layout props (markup #:musicglyph "accidentals.1")))
+
+(def-markup-command (natural layout props) ()
+ "Draw a natural symbol."
+ (interpret-markup layout props (markup #:musicglyph "accidentals.0")))
+
+(def-markup-command (semiflat layout props) ()
+ "Draw a semiflat."
+ (interpret-markup layout props (markup #:musicglyph "accidentals.M1")))
+
+(def-markup-command (flat layout props) ()
+ "Draw a flat symbol."
+ (interpret-markup layout props (markup #:musicglyph "accidentals.M2")))
+
+(def-markup-command (sesquiflat layout props) ()
+ "Draw a 3/2 flat symbol."
+ (interpret-markup layout props (markup #:musicglyph "accidentals.M3")))
+
+(def-markup-command (doubleflat layout props) ()
+ "Draw a double flat symbol."
+ (interpret-markup layout props (markup #:musicglyph "accidentals.M4")))
+
+(def-markup-command (with-color layout props color arg) (color? markup?)
+ "Draw @var{arg} in color specified by @var{color}"
+
+ (let* ((stil (interpret-markup layout props arg)))
+
+ (ly:make-stencil (list 'color color (ly:stencil-expr stil))
+ (ly:stencil-extent stil X)
+ (ly:stencil-extent stil Y))))
+
+;;
+;; TODO: should extract baseline-skip from each argument somehow..
+;;
+(def-markup-command (column layout props args) (markup-list?)
+ "Stack the markups in @var{args} vertically. The property
[EMAIL PROTECTED] determines the space between each markup in @var{args}."
+ (stack-lines
+ -1 0.0 (chain-assoc-get 'baseline-skip props)
+ (remove ly:stencil-empty?
+ (map (lambda (m) (interpret-markup layout props m)) args))))
+
+(def-markup-command (dir-column layout props args) (markup-list?)
+ "Make a column of args, going up or down, depending on the setting
+of the @code{#'direction} layout property."
+ (let* ((dir (chain-assoc-get 'direction props)))
+ (stack-lines
+ (if (number? dir) dir -1)
+ 0.0
+ (chain-assoc-get 'baseline-skip props)
+ (map (lambda (x) (interpret-markup layout props x)) args))))
+
+(def-markup-command (center-align layout props args) (markup-list?)
+ "Put @code{args} in a centered column. "
+ (let* ((mols (map (lambda (x) (interpret-markup layout props x)) args))
+ (cmols (map (lambda (x) (ly:stencil-aligned-to x X CENTER)) mols)))
+ (stack-lines -1 0.0 (chain-assoc-get 'baseline-skip props) cmols)))
+
+(def-markup-command (vcenter layout props arg) (markup?)
+ "Align @code{arg} to its Y center. "
+ (let* ((mol (interpret-markup layout props arg)))
+ (ly:stencil-aligned-to mol Y CENTER)))
+
+(def-markup-command (hcenter layout props arg) (markup?)
+ "Align @code{arg} to its X center. "
+ (let* ((mol (interpret-markup layout props arg)))
+ (ly:stencil-aligned-to mol X CENTER)))
+
+(def-markup-command (right-align layout props arg) (markup?)
+ "Align @var{arg} on its right edge. "
+ (let* ((m (interpret-markup layout props arg)))
+ (ly:stencil-aligned-to m X RIGHT)))
+
+(def-markup-command (left-align layout props arg) (markup?)
+ "Align @var{arg} on its left edge. "
+ (let* ((m (interpret-markup layout props arg)))
+ (ly:stencil-aligned-to m X LEFT)))
+
+(def-markup-command (general-align layout props axis dir arg) (integer?
number? markup?)
+ "Align @var{arg} in @var{axis} direction to the @var{dir} side."
+ (let* ((m (interpret-markup layout props arg)))
+ (ly:stencil-aligned-to m axis dir)))
+
+(def-markup-command (halign layout props dir arg) (number? markup?)
+ "Set horizontal alignment. If @var{dir} is @code{-1}, then it is
+left-aligned, while @code{+1} is right. Values in between interpolate
+alignment accordingly."
+ (let* ((m (interpret-markup layout props arg)))
+ (ly:stencil-aligned-to m X dir)))
+
+(def-markup-command (musicglyph layout props glyph-name) (string?)
+ "This is converted to a musical symbol, e.g. @code{\\musicglyph
+#\"accidentals.0\"} will select the natural sign from the music font.
+See @usermanref{The Feta font} for a complete listing of the possible glyphs."
+ (ly:font-get-glyph
+ (ly:paper-get-font layout (cons '((font-encoding . fetaMusic))
+ props))
+ glyph-name))
+
+(def-markup-command (lookup layout props glyph-name) (string?)
+ "Lookup a glyph by name."
+ (ly:font-get-glyph (ly:paper-get-font layout props)
+ glyph-name))
+
+(def-markup-command (char layout props num) (integer?)
+ "Produce a single character, e.g. @code{\\char #65} produces the
+letter 'A'."
+ (ly:get-glyph (ly:paper-get-font layout props) num))
+
+(def-markup-command (lower layout props amount arg) (number? markup?)
+ "
+Lower @var{arg}, by the distance @var{amount}.
+A negative @var{amount} indicates raising, see also @code{\raise}.
+"
+ (ly:stencil-translate-axis (interpret-markup layout props arg)
+ (- amount) Y))
+
+(def-markup-command (raise layout props amount arg) (number? markup?)
+ "
+Raise @var{arg}, by the distance @var{amount}.
+A negative @var{amount} indicates lowering, see also @code{\\lower}.
[EMAIL PROTECTED]
[EMAIL PROTECTED],fragment,relative=1]
+ c1^\\markup { C \\small \\raise #1.0 \\bold { \"9/7+\" }}
[EMAIL PROTECTED] lilypond
+The argument to @code{\\raise} is the vertical displacement amount,
+measured in (global) staff spaces. @code{\\raise} and @code{\\super}
+raise objects in relation to their surrounding markups.
+
+If the text object itself is positioned above or below the staff, then
[EMAIL PROTECTED] cannot be used to move it, since the mechanism that
+positions it next to the staff cancels any shift made with
[EMAIL PROTECTED] For vertical positioning, use the @code{padding}
+and/or @code{extra-offset} properties. "
+ (ly:stencil-translate-axis (interpret-markup layout props arg) amount Y))
+
+(def-markup-command (fraction layout props arg1 arg2) (markup? markup?)
+ "Make a fraction of two markups."
+ (let* ((m1 (interpret-markup layout props arg1))
+ (m2 (interpret-markup layout props arg2)))
+ (set! m1 (ly:stencil-aligned-to m1 X CENTER))
+ (set! m2 (ly:stencil-aligned-to m2 X CENTER))
+ (let* ((x1 (ly:stencil-extent m1 X))
+ (x2 (ly:stencil-extent m2 X))
+ (line (ly:round-filled-box (interval-union x1 x2) '(-0.05 . 0.05)
0.0))
+ ;; should stack mols separately, to maintain LINE on baseline
+ (stack (stack-lines -1 0.2 0.6 (list m1 line m2))))
+ (set! stack
+ (ly:stencil-aligned-to stack Y CENTER))
+ (set! stack
+ (ly:stencil-aligned-to stack X LEFT))
+ ;; should have EX dimension
+ ;; empirical anyway
+ (ly:stencil-translate-axis stack 0.75 Y))))
+
+
+
+(def-markup-command (filled-box layout props xext yext blot)
+ (number-pair? number-pair? number?)
+ "Draw a box with rounded corners of dimensions @var{xext} and @var{yext}."
+ (ly:round-filled-box
+ xext yext blot))
+
+(def-markup-command (whiteout layout props arg) (markup?)
+ "Provide a white underground for @var{arg}"
+ (let* ((stil (interpret-markup layout props
+ (make-with-color-markup black arg)))
+ (white
+ (interpret-markup layout props
+ (make-with-color-markup
+ white
+ (make-filled-box-markup
+ (ly:stencil-extent stil X)
+ (ly:stencil-extent stil Y)
+ 0.0)))))
+
+ (ly:stencil-add white stil)))
+
+;; TODO: better syntax.
+
+(def-markup-command (note-by-number layout props log dot-count dir) (number?
number? number?)
+ "Construct a note symbol, with stem. By using fractional values for
[EMAIL PROTECTED], you can obtain longer or shorter stems."
+ (let* ((font (ly:paper-get-font layout (cons '((font-encoding . fetaMusic))
props)))
+ (size (chain-assoc-get 'font-size props 0))
+ (stem-length (* (magstep size) (max 3 (- log 1))))
+ (head-glyph (ly:font-get-glyph
+ font
+ (string-append "noteheads.s" (number->string (min log
2)))))
+ (stem-thickness 0.13)
+ (stemy (* dir stem-length))
+ (attachx (if (> dir 0)
+ (- (cdr (ly:stencil-extent head-glyph X)) stem-thickness)
+ 0))
+ (attachy (* dir 0.28))
+ (stem-glyph (and (> log 0)
+ (ly:round-filled-box
+ (cons attachx (+ attachx stem-thickness))
+ (cons (min stemy attachy)
+ (max stemy attachy))
+ (/ stem-thickness 3))))
+ (dot (ly:font-get-glyph font "dots.dot"))
+ (dotwid (interval-length (ly:stencil-extent dot X)))
+ (dots (and (> dot-count 0)
+ (apply ly:stencil-add
+ (map (lambda (x)
+ (ly:stencil-translate-axis
+ dot (* (+ 1 (* 2 x)) dotwid) X))
+ (iota dot-count 1)))))
+ (flaggl (and (> log 2)
+ (ly:stencil-translate
+ (ly:font-get-glyph font
+ (string-append "flags."
+ (if (> dir 0) "u" "d")
+ (number->string log)))
+ (cons (+ attachx (/ stem-thickness 2)) stemy)))))
+ (if flaggl
+ (set! stem-glyph (ly:stencil-add flaggl stem-glyph)))
+ (if (ly:stencil? stem-glyph)
+ (set! stem-glyph (ly:stencil-add stem-glyph head-glyph))
+ (set! stem-glyph head-glyph))
+ (if (ly:stencil? dots)
+ (set! stem-glyph
+ (ly:stencil-add
+ (ly:stencil-translate-axis
+ dots
+ (+ (if (and (> dir 0) (> log 2))
+ (* 1.5 dotwid)
+ 0)
+ ;; huh ? why not necessary?
+ ;;(cdr (ly:stencil-extent head-glyph X))
+ dotwid)
+ X)
+ stem-glyph)))
+ stem-glyph))
+
+(define-public log2
+ (let ((divisor (log 2)))
+ (lambda (z) (inexact->exact (/ (log z) divisor)))))
+
+(define (parse-simple-duration duration-string)
+ "Parse the `duration-string', e.g. ''4..'' or ''breve.'', and return a (log
dots) list."
+ (let ((match (regexp-exec (make-regexp "(breve|longa|maxima|[0-9]+)(\\.*)")
duration-string)))
+ (if (and match (string=? duration-string (match:substring match 0)))
+ (let ((len (match:substring match 1))
+ (dots (match:substring match 2)))
+ (list (cond ((string=? len "breve") -1)
+ ((string=? len "longa") -2)
+ ((string=? len "maxima") -3)
+ (else (log2 (string->number len))))
+ (if dots (string-length dots) 0)))
+ (ly:error (_ "not a valid duration string: ~a") duration-string))))
+
+(def-markup-command (note layout props duration dir) (string? number?)
+ "This produces a note with a stem pointing in @var{dir} direction, with
+the @var{duration} for the note head type and augmentation dots. For
+example, @code{\\note #\"4.\" #-0.75} creates a dotted quarter note, with
+a shortened down stem."
+ (let ((parsed (parse-simple-duration duration)))
+ (note-by-number-markup layout props (car parsed) (cadr parsed) dir)))
+
+(def-markup-command (normal-size-super layout props arg) (markup?)
+ "Set @var{arg} in superscript with a normal font size."
+ (ly:stencil-translate-axis
+ (interpret-markup layout props arg)
+ (* 0.5 (chain-assoc-get 'baseline-skip props)) Y))
+
+(def-markup-command (super layout props arg) (markup?)
+ "
[EMAIL PROTECTED] raising text
[EMAIL PROTECTED] lowering text
[EMAIL PROTECTED] moving text
[EMAIL PROTECTED] translating text
+
[EMAIL PROTECTED] @code{\\super}
+
+
+Raising and lowering texts can be done with @code{\\super} and
[EMAIL PROTECTED]:
+
[EMAIL PROTECTED],fragment,relative=1]
+ c1^\\markup { E \"=\" mc \\super \"2\" }
[EMAIL PROTECTED] lilypond
+
+"
+ (ly:stencil-translate-axis
+ (interpret-markup
+ layout
+ (cons `((font-size . ,(- (chain-assoc-get 'font-size props 0) 3))) props)
+ arg)
+ (* 0.5 (chain-assoc-get 'baseline-skip props))
+ Y))
+
+(def-markup-command (translate layout props offset arg) (number-pair? markup?)
+ "This translates an object. Its first argument is a cons of numbers
[EMAIL PROTECTED]
+A \\translate #(cons 2 -3) @{ B C @} D
[EMAIL PROTECTED] example
+This moves `B C' 2 spaces to the right, and 3 down, relative to its
+surroundings. This command cannot be used to move isolated scripts
+vertically, for the same reason that @code{\\raise} cannot be used for
+that.
+
+"
+ (ly:stencil-translate (interpret-markup layout props arg)
+ offset))
+
+(def-markup-command (sub layout props arg) (markup?)
+ "Set @var{arg} in subscript."
+ (ly:stencil-translate-axis
+ (interpret-markup
+ layout
+ (cons `((font-size . ,(- (chain-assoc-get 'font-size props 0) 3))) props)
+ arg)
+ (* -0.5 (chain-assoc-get 'baseline-skip props))
+ Y))
+
+(def-markup-command (beam layout props width slope thickness)
+ (number? number? number?)
+ "Create a beam with the specified parameters."
+ (let* ((y (* slope width))
+ (yext (cons (min 0 y) (max 0 y)))
+ (half (/ thickness 2)))
+
+ (ly:make-stencil
+ (list 'beam width
+ slope
+ thickness
+ (ly:output-def-lookup layout 'blotdiameter))
+ (cons 0 width)
+ (cons (+ (- half) (car yext))
+ (+ half (cdr yext))))))
+
+(def-markup-command (normal-size-sub layout props arg) (markup?)
+ "Set @var{arg} in subscript, in a normal font size."
+ (ly:stencil-translate-axis
+ (interpret-markup layout props arg)
+ (* -0.5 (chain-assoc-get 'baseline-skip props))
+ Y))
+
+(def-markup-command (hbracket layout props arg) (markup?)
+ "Draw horizontal brackets around @var{arg}."
+ (let ((th 0.1) ;; todo: take from GROB.
+ (m (interpret-markup layout props arg)))
+ (bracketify-stencil m X th (* 2.5 th) th)))
+
+(def-markup-command (bracket layout props arg) (markup?)
+ "Draw vertical brackets around @var{arg}."
+ (let ((th 0.1) ;; todo: take from GROB.
+ (m (interpret-markup layout props arg)))
+ (bracketify-stencil m Y th (* 2.5 th) th)))
+
+;; todo: fix negative space
+(def-markup-command (hspace layout props amount) (number?)
+ "This produces a invisible object taking horizontal space.
[EMAIL PROTECTED]
+\\markup @{ A \\hspace #2.0 B @}
[EMAIL PROTECTED] example
+will put extra space between A and B, on top of the space that is
+normally inserted before elements on a line.
+"
+ (if (> amount 0)
+ (ly:make-stencil "" (cons 0 amount) '(-1 . 1))
+ (ly:make-stencil "" (cons amount amount) '(-1 . 1))))
+
+(def-markup-command (override layout props new-prop arg) (pair? markup?)
+ "Add the first argument in to the property list. Properties may be
+any sort of property supported by @internalsref{font-interface} and
[EMAIL PROTECTED], for example
+
[EMAIL PROTECTED]
+\\override #'(font-family . married) \"bla\"
[EMAIL PROTECTED] verbatim
+
+"
+ (interpret-markup layout (cons (list new-prop) props) arg))
+
+
+(def-markup-command (fontsize layout props increment arg) (number? markup?)
+ "Add @var{increment} to the font-size. Adjust baseline skip accordingly."
+
+ (let* ((fs (chain-assoc-get 'font-size props 0))
+ (bs (chain-assoc-get 'baseline-skip props 2))
+ (entries (list
+ (cons 'baseline-skip (* bs (magstep increment)))
+ (cons 'font-size (+ fs increment )))))
+
+ (interpret-markup layout (cons entries props) arg)))
+
+(def-markup-command (bigger layout props arg) (markup?)
+ "Increase the font size relative to current setting"
+ (interpret-markup layout props
+ `(,fontsize-markup 1 ,arg)))
+
+(def-markup-command (smaller layout props arg) (markup?)
+ "Decrease the font size relative to current setting"
+ (interpret-markup layout props
+ `(,fontsize-markup -1 ,arg)))
+
+(def-markup-command larger (markup?) bigger-markup)
+
+(def-markup-command (box layout props arg) (markup?)
+ "Draw a box round @var{arg}. Looks at @code{thickness},
[EMAIL PROTECTED] and @code{font-size} properties to determine line
+thickness and padding around the markup."
+ (let* ((th (chain-assoc-get 'thickness props 0.1))
+ (size (chain-assoc-get 'font-size props 0))
+ (pad (* (magstep size)
+ (chain-assoc-get 'box-padding props 0.2)))
+ (m (interpret-markup layout props arg)))
+ (box-stencil m th pad)))
+
+;;FIXME: is this working?
+(def-markup-command (strut layout props) ()
+ "Create a box of the same height as the space in the current font."
+ (let ((m (Text_interface::interpret_markup layout props " ")))
+ (ly:make-stencil (ly:stencil-expr m)
+ (ly:stencil-extent m X)
+ '(1000 . -1000))))
+
+(define number->mark-letter-vector (make-vector 25 #\A))
+
+(do ((i 0 (1+ i))
+ (j 0 (1+ j)))
+ ((>= i 26))
+ (if (= i (- (char->integer #\I) (char->integer #\A)))
+ (set! i (1+ i)))
+ (vector-set! number->mark-letter-vector j
+ (integer->char (+ i (char->integer #\A)))))
+
+(define number->mark-alphabet-vector (list->vector
+ (map (lambda (i) (integer->char (+ i (char->integer #\A)))) (iota 26))))
+
+(define (number->markletter-string vec n)
+ "Double letters for big marks."
+ (let* ((lst (vector-length vec)))
+
+ (if (>= n lst)
+ (string-append (number->markletter-string vec (1- (quotient n lst)))
+ (number->markletter-string vec (remainder n lst)))
+ (make-string 1 (vector-ref vec n)))))
+
+(def-markup-command (markletter layout props num) (integer?)
+ "Make a markup letter for @var{num}. The letters start with A to Z
+ (skipping I), and continues with double letters."
+ (Text_interface::interpret_markup layout props
+ (number->markletter-string number->mark-letter-vector num)))
+
+(def-markup-command (markalphabet layout props num) (integer?)
+ "Make a markup letter for @var{num}. The letters start with A to Z
+ and continues with double letters."
+ (Text_interface::interpret_markup layout props
+ (number->markletter-string number->mark-alphabet-vector num)))
+
+(def-markup-command (bracketed-y-column layout props indices args)
+ (list? markup-list?)
+ "Make a column of the markups in @var{args}, putting brackets around
+the elements marked in @var{indices}, which is a list of numbers."
+ (define (sublist lst start stop)
+ (take (drop lst start) (- (1+ stop) start)))
+
+ (define (stencil-list-extent ss axis)
+ (cons
+ (apply min (map (lambda (x) (car (ly:stencil-extent x axis))) ss))
+ (apply max (map (lambda (x) (cdr (ly:stencil-extent x axis))) ss))))
+
+ (define (stack-stencils stencils bskip last-stencil)
+ (cond
+ ((null? stencils) '())
+ ((not (ly:stencil? last-stencil))
+ (cons (car stencils)
+ (stack-stencils (cdr stencils) bskip (car stencils))))
+ (else
+ (let* ((orig (car stencils))
+ (dir (chain-assoc-get 'direction props DOWN))
+ (new (ly:stencil-moved-to-edge last-stencil Y dir
+ orig
+ 0.1 bskip)))
+
+ (cons new (stack-stencils (cdr stencils) bskip new))))))
+
+ (define (make-brackets stencils indices acc)
+ (if (and stencils
+ (pair? indices)
+ (pair? (cdr indices)))
+ (let* ((encl (sublist stencils (car indices) (cadr indices)))
+ (x-ext (stencil-list-extent encl X))
+ (y-ext (stencil-list-extent encl Y))
+ (thick 0.10)
+ (pad 0.35)
+ (protusion (* 2.5 thick))
+ (lb
+ (ly:stencil-translate-axis
+ (ly:bracket Y y-ext thick protusion)
+ (- (car x-ext) pad) X))
+ (rb (ly:stencil-translate-axis
+ (ly:bracket Y y-ext thick (- protusion))
+ (+ (cdr x-ext) pad) X)))
+
+ (make-brackets
+ stencils (cddr indices)
+ (append
+ (list lb rb)
+ acc)))
+ acc))
+
+ (let* ((stencils
+ (map (lambda (x)
+ (interpret-markup
+ layout
+ props
+ x)) args))
+ (leading
+ (chain-assoc-get 'baseline-skip props))
+ (stacked (stack-stencils
+ (remove ly:stencil-empty? stencils) 1.25 #f))
+ (brackets (make-brackets stacked indices '())))
+
+ (apply ly:stencil-add
+ (append stacked brackets))))
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