+;;;; output-socket.scm
+;;;;
+;;;; implement network-based output (socket) in Scheme
(define-module (scm output-socket)
- #:re-export (quote)
- )
+ #:re-export (quote))
(use-modules (guile)
- (srfi srfi-1)
- (srfi srfi-13)
- (lily))
-
-(define (dummy . rest)
- "")
-
-(for-each
- (lambda (x)
- (module-define! (current-module)
- x
- dummy))
-
- (ly:all-stencil-expressions))
-
-
-(define-public (draw-line thick x1 y1 x2 y2)
- (format "drawline ~a ~a ~a ~a ~a"
- thick x1 y2 x2 y2))
-
-(define-public (polygon xy-coords blot do-fill)
- (format "polygon ~a ~a ~a"
- blot
- (if do-fill "True" "False")
- (string-join
- (map number->string xy-coords))
- ))
-
-(define-public (named-glyph font glyph)
- (format "glyphshow ~a \"~a\" ~a \"~a\""
- (ly:font-glyph-name-to-charcode font glyph)
- (ly:font-name font)
- (modified-font-metric-font-scaling font)
- glyph
- ))
-
-(define-public (placebox x y s)
- (format "at ~a ~a ~a\n" x y s))
-
-(define-public (round-filled-box breapth width depth height blot-diameter)
- (format "draw_round_box ~a ~a ~a ~a ~a"
- breapth width depth height blot-diameter
- ))
-
-(define (music-cause grob)
+ (srfi srfi-1)
+ (srfi srfi-13)
+ (lily))
+
+
+(define format ergonomic-simple-format)
+
+(define (event-cause grob)
(let*
- ((cause (ly:grob-property grob 'cause)))
+ ((cause (ly:grob-property grob 'cause)))
- (cond
- ((ly:music? cause) cause)
- ((ly:grob? cause) (music-cause cause))
- (else
- #f))))
+ (if (ly:stream-event? cause)
+ cause
+ #f)))
(define (grob-bbox grob offset)
(let*
((x-ext (ly:grob-extent grob grob X))
(y-ext (ly:grob-extent grob grob Y))
(x (car offset))
- (y (cdr offset))
- )
-
- (map (lambda (x)
- (if (inf? x) 0.0 x))
-
- (list (+ x (car x-ext))
- (+ y (car y-ext))
- (+ x (cdr x-ext))
- (+ y (cdr y-ext)))
- )))
-
-(define-public (no-origin)
- "nocause\n")
+ (y (cdr offset)))
+
+ (if (interval-empty? x-ext)
+ (set! x-ext '(0 . 0)))
+
+ (if (interval-empty? y-ext)
+ (set! y-ext '(0 . 0)))
-(define-public (grob-cause offset grob)
+ (list (+ x (car x-ext))
+ (+ y (car y-ext))
+ (+ x (cdr x-ext))
+ (+ y (cdr y-ext)))))
+
+(define (escape-string str)
+ (string-regexp-substitute
+ " " "\\040"
+ (string-regexp-substitute "\"" "\\\"" str)))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;; stencil commands
+;;;
+
+(define (draw-line thick x1 y1 x2 y2)
+ (format #f "drawline ~a ~a ~a ~a ~a"
+ thick x1 y2 x2 y2))
+
+(define (grob-cause offset grob)
(let*
- ((cause (music-cause grob))
- (tag (if (and cause (integer? (ly:music-property cause 'input-tag)))
- (ly:music-property cause 'input-tag)
- -1))
- (name (cdr (assoc 'name (ly:grob-property grob 'meta))))
- )
-
- (apply format
- (append (list "cause ~a \"~a\" ~a ~a ~a ~a\n"
- tag name)
-
- (grob-bbox grob offset))
- )))
-
-
-(define-public (utf-8-string
- descr
- string)
-
- (format "utf-8 \"~a\" \"~a\"" descr
-
- ;; don't want unescaped spaces.
- (string-regexp-substitute " " "\\040"
- (string-regexp-substitute "\"" "\\\"" string))
- ))
+ ((cause (event-cause grob))
+ (tag (if (and cause (integer? (ly:event-property cause 'input-tag)))
+ (ly:event-property cause 'input-tag)
+ -1))
+ (name (assoc-get 'name (ly:grob-property grob 'meta))))
+
+ (apply format #f
+ "cause ~a \"~a\" ~a ~a ~a ~a\n" tag name
+ (grob-bbox grob offset))))
+
+(define (named-glyph font glyph)
+ (format #f "glyphshow ~a \"~a\" ~a \"~a\""
+ (ly:font-glyph-name-to-charcode font glyph)
+ (ly:font-name font)
+ (modified-font-metric-font-scaling font)
+ glyph))
+
+(define (no-origin)
+ "nocause\n")
+(define (placebox x y s)
+ (if (not (string-null? s))
+ (format #f "at ~a ~a ~a\n" x y s)
+ ""))
+
+(define (polygon xy-coords blot do-fill)
+ (format #f "polygon ~a ~a ~a"
+ blot
+ (if do-fill "True" "False")
+ (string-join (map number->string xy-coords))))
+
+(define (round-filled-box breapth width depth height blot-diameter)
+ (format #f "draw_round_box ~a ~a ~a ~a ~a"
+ breapth width depth height blot-diameter))
+
+(define (utf-8-string descr string)
+ (format #f "utf-8 \"~a\" \"~a\""
+ (escape-string descr)
+ ;; don't want unescaped spaces.
+ (escape-string string)))