;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 2002--2010 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 2002--2012 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Patrick McCarty <pnorcks@gmail.com>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
(guile)
(ice-9 regex)
(ice-9 format)
+ (ice-9 optargs)
(lily)
(srfi srfi-1)
(srfi srfi-13))
(value (cdr x)))
(if (number? value)
(set! value (ly:format "~4f" value)))
- (format " ~s=\"~a\"" attr value)))
+ (format #f " ~s=\"~a\"" attr value)))
attributes-alist)))
(define-public (eo entity . attributes-alist)
"o = open"
- (format "<~S~a>\n" entity (attributes attributes-alist)))
+ (format #f "<~S~a>\n" entity (attributes attributes-alist)))
(define-public (eoc entity . attributes-alist)
- " oc = open/close"
- (format "<~S~a/>\n" entity (attributes attributes-alist)))
+ "oc = open/close"
+ (format #f "<~S~a/>\n" entity (attributes attributes-alist)))
(define-public (ec entity)
"c = close"
- (format "</~S>\n" entity))
+ (format #f "</~S>\n" entity))
+
+(define (start-enclosing-id-node s)
+ (string-append "<g id=\"" s "\">\n"))
+
+(define (end-enclosing-id-node)
+ "</g>\n")
(define-public (comment s)
(string-append "<!-- " s " -->\n"))
(define (helper lst)
(if (null? lst)
'()
- (cons (format "~S ~S" (car lst) (- (cadr lst)))
+ (cons (format #f "~S ~S" (car lst) (- (cadr lst)))
(helper (cddr lst)))))
(string-join (helper lst) " "))
;;; stencil outputters
;;;
-(define (bezier-sandwich lst thick)
- (let* ((first (list-tail lst 4))
- (second (list-head lst 4)))
- (entity 'path ""
- '(stroke-linejoin . "round")
- '(stroke-linecap . "round")
- '(stroke . "currentColor")
- '(fill . "currentColor")
- `(stroke-width . ,thick)
- `(d . ,(string-append (svg-bezier first #f)
- (svg-bezier second #t))))))
-
(define (char font i)
(dispatch
`(fontify ,font ,(entity 'tspan (char->entity (integer->char i))))))
(define (dashed-line thick on off dx dy phase)
(draw-line thick 0 0 dx dy
- `(stroke-dasharray . ,(format "~a,~a" on off))))
+ `(stroke-dasharray . ,(format #f "~a,~a" on off))))
(define (draw-line thick x1 y1 x2 y2 . alist)
(apply entity 'line ""
(- (* start-radius (sin new-start-angle))))
"")))))))
-(define (connected-shape pointlist thick x-scale y-scale connect fill)
- (entity
- 'path ""
- `(fill . ,(if fill "currentColor" "none"))
- `(stroke . "currentColor")
- `(stroke-width . ,thick)
- '(stroke-linejoin . "round")
- '(stroke-linecap . "round")
- (cons
- 'd
- (ly:format
- "M0 0~a ~a"
- (string-concatenate
- (map (lambda (x)
- (apply
- (if (eq? (length x) 6)
- (lambda (x1 x2 x3 x4 x5 x6)
- (ly:format "C~4f ~4f ~4f ~4f ~4f ~4f"
- (* x1 x-scale)
- (- (* x2 y-scale))
- (* x3 x-scale)
- (- (* x4 y-scale))
- (* x5 x-scale)
- (- (* x6 y-scale))))
- (lambda (x1 x2)
- (ly:format "L~4f ~4f"
- (* x-scale x1)
- (- (* y-scale x2)))))
- x))
- pointlist))
- (if connect "z " "")))))
-
(define (embedded-svg string)
string)
(define (no-origin)
"")
-(define (oval x-radius y-radius thick is-filled)
- (let ((x-max x-radius)
- (x-min (- x-radius))
- (y-max y-radius)
- (y-min (- y-radius)))
- (entity
- 'path ""
- '(stroke-linejoin . "round")
- '(stroke-linecap . "round")
- `(fill . ,(if is-filled "currentColor" "none"))
- `(stroke . "currentColor")
- `(stroke-width . ,thick)
- `(d . ,(ly:format "M~4f ~4fC~4f ~4f ~4f ~4f ~4f ~4fS~4f ~4f ~4f ~4fz"
- x-max 0
- x-max y-max
- x-min y-max
- x-min 0
- x-max y-min
- x-max 0)))))
-
-(define (path thick commands)
+(define* (path thick commands #:optional (cap 'round) (join 'round) (fill? #f))
(define (convert-path-exps exps)
(if (pair? exps)
(let*
(closepath . z))
"")))
- (cons (format "~a~a" svg-head (number-list->point args))
+ (cons (format #f "~a~a" svg-head (number-list->point args))
(convert-path-exps (drop rest arity))))
'()))
- (entity 'path ""
- `(stroke-width . ,thick)
- '(stroke-linejoin . "round")
- '(stroke-linecap . "round")
- '(stroke . "currentColor")
- '(fill . "none")
- `(d . ,(apply string-append (convert-path-exps commands)))))
+ (let* ((line-cap-styles '(butt round square))
+ (line-join-styles '(miter round bevel))
+ (cap-style (if (not (memv cap line-cap-styles))
+ (begin
+ (ly:warning (_ "unknown line-cap-style: ~S")
+ (symbol->string cap))
+ 'round)
+ cap))
+ (join-style (if (not (memv join line-join-styles))
+ (begin
+ (ly:warning (_ "unknown line-join-style: ~S")
+ (symbol->string join))
+ 'round)
+ join)))
+ (entity 'path ""
+ `(stroke-width . ,thick)
+ `(stroke-linejoin . ,(symbol->string join-style))
+ `(stroke-linecap . ,(symbol->string cap-style))
+ '(stroke . "currentColor")
+ `(fill . ,(if fill? "currentColor" "none"))
+ `(d . ,(apply string-append (convert-path-exps commands))))))
(define (placebox x y expr)
(if (string-null? expr)
`(points . ,(string-join
(map offset->point (ly:list->offsets '() coords))))))
-(define (repeat-slash width slope thickness)
- (define (euclidean-length x y)
- (sqrt (+ (* x x) (* y y))))
- (let* ((x-width (euclidean-length thickness (/ thickness slope)))
- (height (* width slope)))
- (entity
- 'path ""
- '(fill . "currentColor")
- `(d . ,(ly:format "M0 0l~4f 0 ~4f ~4f ~4f 0z"
- x-width width (- height) (- x-width))))))
-
(define (resetcolor)
"</g>\n")
(define (resetrotation ang x y)
"</g>\n")
+(define (resetscale)
+ "</g>\n")
+
(define (round-filled-box breapth width depth height blot-diameter)
(entity
'rect ""
'(fill . "currentColor")))
(define (setcolor r g b)
- (format "<g color=\"rgb(~a%, ~a%, ~a%)\">\n"
+ (format #f "<g color=\"rgb(~a%, ~a%, ~a%)\">\n"
(* 100 r) (* 100 g) (* 100 b)))
;; rotate around given point
(ly:format "<g transform=\"rotate(~4f, ~4f, ~4f)\">\n"
(- ang) x (- y)))
+(define (setscale x y)
+ (ly:format "<g transform=\"scale(~4f, ~4f)\">\n"
+ x y))
+
(define (text font string)
(dispatch `(fontify ,font ,(entity 'tspan (string->entities string)))))