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)))) _______________________________________________ Lilypond-cvs mailing list Lilypond-cvs@gnu.org http://lists.gnu.org/mailman/listinfo/lilypond-cvs