;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 2002--2010 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 2002--2011 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-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) " "))
(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 ""
`(rx . ,x-radius)
`(ry . ,y-radius)))
+(define (partial-ellipse x-radius y-radius start-angle end-angle thick connect fill)
+ (define (make-ellipse-radius x-radius y-radius angle)
+ (/ (* x-radius y-radius)
+ (sqrt (+ (* (* y-radius y-radius)
+ (* (cos angle) (cos angle)))
+ (* (* x-radius x-radius)
+ (* (sin angle) (sin angle)))))))
+ (let*
+ ((new-start-angle (* PI-OVER-180 (angle-0-360 start-angle)))
+ (start-radius (make-ellipse-radius x-radius y-radius new-start-angle))
+ (new-end-angle (* PI-OVER-180 (angle-0-360 end-angle)))
+ (end-radius (make-ellipse-radius x-radius y-radius new-end-angle))
+ (epsilon 1.5e-3)
+ (x-end (- (* end-radius (cos new-end-angle))
+ (* start-radius (cos new-start-angle))))
+ (y-end (- (* end-radius (sin new-end-angle))
+ (* start-radius (sin new-start-angle)))))
+ (if (and (< (abs x-end) epsilon) (< (abs y-end) epsilon))
+ (entity
+ 'ellipse ""
+ `(fill . ,(if fill "currentColor" "none"))
+ `(stroke . "currentColor")
+ `(stroke-width . ,thick)
+ '(stroke-linejoin . "round")
+ '(stroke-linecap . "round")
+ '(cx . 0)
+ '(cy . 0)
+ `(rx . ,x-radius)
+ `(ry . ,y-radius))
+ (entity
+ 'path ""
+ `(fill . ,(if fill "currentColor" "none"))
+ `(stroke . "currentColor")
+ `(stroke-width . ,thick)
+ '(stroke-linejoin . "round")
+ '(stroke-linecap . "round")
+ (cons
+ 'd
+ (string-append
+ (ly:format
+ "M~4f ~4fA~4f ~4f 0 ~4f 0 ~4f ~4f"
+ (* start-radius (cos new-start-angle))
+ (- (* start-radius (sin new-start-angle)))
+ x-radius
+ y-radius
+ (if (> 0 (- new-start-angle new-end-angle)) 0 1)
+ (* end-radius (cos new-end-angle))
+ (- (* end-radius (sin new-end-angle))))
+ (if connect
+ (ly:format "L~4f,~4f"
+ (* start-radius (cos new-start-angle))
+ (- (* start-radius (sin new-start-angle))))
+ "")))))))
+
(define (embedded-svg string)
string)
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)
(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)))))
(ec 'a)))
(define (utf-8-string pango-font-description string)
- (dispatch `(fontify ,pango-font-description ,(entity 'tspan string))))
+ (let ((escaped-string (string-regexp-substitute
+ "<" "<"
+ (string-regexp-substitute "&" "&" string))))
+ (dispatch `(fontify ,pango-font-description
+ ,(entity 'tspan escaped-string)))))
projects / lilypond.git / blobdiff