(define (grob-cause offset grob)
(let* ((cause (ly:grob-property grob 'cause))
- (music-origin (if (ly:stream-event? cause)
- (ly:event-property cause 'origin))))
+ (music-origin (if (ly:music? cause)
+ (ly:music-property cause 'origin))))
(if (not (ly:input-location? music-origin))
""
(let* ((location (ly:input-file-line-char-column music-origin))
;; restore color from stack
(define (resetcolor) "setrgbcolor\n")
+;; reset rotation
+(define (resetrotation ang x y)
+ (format "~a translate ~a rotate ~a translate\n"
+ (numbers->string4 (list x y))
+ (number->string (* -1 ang))
+ (numbers->string4 (list (* -1 x) (* -1 y)))))
(define (round-filled-box left right bottom top blotdiam)
(let* ((halfblot (/ blotdiam 2))
;; rotation around given point
(define (setrotation ang x y)
- (format "gsave ~a translate ~a rotate ~a translate\n"
+ (format "~a translate ~a rotate ~a translate\n"
(numbers->string4 (list x y))
(number->string ang)
(numbers->string4 (list (* -1 x) (* -1 y)))))
-(define (resetrotation ang x y)
- "grestore ")
-
-
(define (text font s)
;; (ly:warning (_ "TEXT backend-command encountered in Pango backend"))
;; (ly:warning (_ "Arguments: ~a ~a"" font str))
(str4 thick)
(str4 dx)
(str4 dy)))
-
-
-(define (path thickness exps)
- (define (convert-path-exps exps)
- (if (pair? exps)
- (let*
- ((head (car exps))
- (rest (cdr exps))
- (arity
- (cond
- ((memq head '(rmoveto rlineto lineto moveto)) 2)
- ((memq head '(rcurveto curveto)) 6)
- (else 1)))
- (args (take rest arity))
- )
-
- ;; WARNING: this is a vulnerability: a user can output arbitrary PS code here.
- (cons (format "~a ~a "
- (string-join (map (lambda (x) (format "~a " x)) args) " ")
- head)
- (convert-path-exps (drop rest arity))))
- '()))
-
-
- (format
- "1 setlinecap ~a setlinewidth\n~a stroke"
- thickness
- (string-join (convert-path-exps exps) " ")))
-