"Make a filled box."
(ly:make-stencil
- (list 'filledbox (- (car xext)) (cdr xext)
- (- (car yext)) (cdr yext))
+ (list 'round-filled-box (- (car xext)) (cdr xext)
+ (- (car yext)) (cdr yext) 0.0)
xext yext))
-(define-public (make-circle-stencil radius thickness)
+(define-public (make-circle-stencil radius thickness fill)
"Make a circle of radius @var{radius} and thickness @var{thickness}"
(ly:make-stencil
- (list 'circle radius thickness)
+ (list 'circle radius thickness fill)
(cons (- radius) radius)
(cons (- radius) radius)))
(make-filled-box-stencil (cons (- (car xext) thick) (car xext)) yext))))
;; TODO merge this and prev function.
-(define-public (box-stencil stencil thick padding)
+(define-public (box-stencil stencil thickness padding)
"Add a box around STENCIL, producing a new stencil."
(let* ((x-ext (interval-widen (ly:stencil-extent stencil 0) padding))
(y-ext (interval-widen (ly:stencil-extent stencil 1) padding))
- (y-rule (make-filled-box-stencil (cons 0 thick) y-ext))
+ (y-rule (make-filled-box-stencil (cons 0 thickness) y-ext))
(x-rule (make-filled-box-stencil
- (interval-widen x-ext thick) (cons 0 thick))))
+ (interval-widen x-ext thickness) (cons 0 thickness))))
(set! stencil (ly:stencil-combine-at-edge stencil X 1 y-rule padding))
(set! stencil (ly:stencil-combine-at-edge stencil X -1 y-rule padding))
(set! stencil (ly:stencil-combine-at-edge stencil Y 1 x-rule 0.0))
(y-ext (ly:stencil-extent stencil 1))
(diameter (max (- (cdr x-ext) (car x-ext))
(- (cdr y-ext) (car y-ext))))
- (radius (+ (/ diameter 2) padding)))
+ (radius (+ (/ diameter 2) padding thickness)))
(ly:stencil-add
- (centered-stencil stencil) (make-circle-stencil radius thickness))))
+ (centered-stencil stencil) (make-circle-stencil radius thickness #f))))
(define-public (fontify-text font-metric text)
"Set TEXT with font FONT-METRIC, returning a stencil."
(c `(white-text ,(* 2 scale) ,text)))
;;urg -- extent is not from ps font, but we hope it's close
(ly:make-stencil c (car b) (cdr b))))
+
+(define-public (dimension-arrows destination)
+ "Draw twosided arrow from here to @var{destination}"
+
+ (let*
+ ((e_x 1+0i)
+ (e_y 0+1i)
+ (rotate (lambda (z ang)
+ (* (make-polar 1 ang)
+ z)))
+ (complex-to-offset (lambda (z)
+ (list (real-part z) (imag-part z))))
+
+ (z-dest (+ (* e_x (car destination)) (* e_y (cdr destination))))
+ (triangle-points '(-1+0.25i
+ 0
+ -1-0.25i))
+ (p1s (map (lambda (z)
+ (+ z-dest (rotate z (angle z-dest))))
+ triangle-points))
+ (p2s (map (lambda (z)
+ (rotate z (angle (- z-dest))))
+ triangle-points))
+ (null (cons 0 0))
+ (arrow-1
+ (ly:make-stencil
+ `(polygon (quote ,(concatenate (map complex-to-offset p1s)))
+ 0.0
+ #t) null null))
+ (arrow-2
+ (ly:make-stencil
+ `(polygon (quote ,(concatenate (map complex-to-offset p2s)))
+ 0.0
+ #t) null null ) )
+ (line (ly:make-stencil
+ `(draw-line 0.1 0 0
+ ,(car destination)
+ ,(cdr destination))
+ (cons (min 0 (car destination))
+ (min 0 (cdr destination)))
+ (cons (max 0 (car destination))
+ (max 0 (cdr destination)))))
+
+ (result (ly:stencil-add arrow-2 arrow-1 line)))
+
+
+ result))