- (annotate-extent-and-space
- (lambda (extent-accessor next-space
- extent-name next-space-name after-space-name)
- (let* ((extent-annotations (list))
- (this-extent (extent-accessor system))
- (next-extent (and next-system (extent-accessor next-system)))
- (push-annotation (lambda (stil)
- (set! extent-annotations
- (cons stil extent-annotations))))
- (color (if (paper-system-title? system) darkblue blue))
- (space-color (if (paper-system-title? system) darkred red)))
- (if (and (number-pair? this-extent)
- (not (= (interval-start this-extent)
- (interval-end this-extent))))
- (push-annotation (annotate-y-interval
- layout extent-name this-extent #f
- #:color color)))
- (if next-system
- (push-annotation (annotate-y-interval
- layout next-space-name
- (interval-translate (cons (- next-space) 0)
- (if (number-pair? this-extent)
- (interval-start this-extent)
- 0))
- #t
- #:color color)))
- (if (and next-system
- (number-pair? this-extent)
- (number-pair? next-extent))
- (let ((space-after
- (- (+ (ly:prob-property next-system 'Y-offset)
- (interval-start this-extent))
- (ly:prob-property system 'Y-offset)
- (interval-end next-extent)
- next-space)))
- (if (> space-after 0.01)
- (push-annotation (annotate-y-interval
- layout
- after-space-name
- (interval-translate
- (cons (- space-after) 0)
- (- (interval-start this-extent)
- next-space))
- #t
- #:color space-color)))))
- (if (not (null? extent-annotations))
- (set! annotations
- (stack-stencils X RIGHT 0.5
- (list annotations
- (ly:make-stencil '() (cons 0 1) (cons 0 0))
- (apply ly:stencil-add
- extent-annotations))))))))
-