X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Foutput-gnome.scm;h=2251f26ca13b5eed29c1789dfea3c52e67c9777b;hb=f817c9010f8016d5e9c19ec3b167e7d485538eb3;hp=517715e000cc06a5f8f01eac2dee6585ea69ede6;hpb=8207df4487ebd38161056f5af4450b96fed8e425;p=lilypond.git

diff --git a/scm/output-gnome.scm b/scm/output-gnome.scm
index 517715e000..2251f26ca1 100644
--- a/scm/output-gnome.scm
+++ b/scm/output-gnome.scm
@@ -6,6 +6,7 @@
 
 ;;; TODO:
 ;;;
+;;;  * check: blot+scaling
 ;;;  * Figure out and fix font scaling and character placement
 ;;;  * EC font package: add missing X font directories and AFMs
 ;;;  * User-interface, keybindings
@@ -16,36 +17,37 @@
 ;;;    - allow GnomeCanvas or `toplevel' GtkWindow to be created
 ;;;      outside of LilyPond
 ;;;    - lilylib.
-;;;  * Release schedule and packaging of dependencies.  This hack
-;;;    depends on several CVS and TLA development sources.
+;;;  * Release schedule and packaging of dependencies.
+;;;    - g-wrap-1.9.3 is already in incoming.
+;;;    - guile-gnome-platform-2.8.0 will probably be packaged early 2005.
 
 ;;; You need:
 ;;;
-;;;   * Rotty's g-wrap >= 1.9.1 (or TLA)
-;;;   * guile-gnome-platform >= 2.5.992 (or TLA)
-;;;   * pango >= 1.5.2 (or CVS)
+;;;   * Rotty's g-wrap >= 1.9.3
+;;;   * guile-gnome-platform >= 2.7.97
+;;;   * pango >= 1.6.0
 ;;;
 ;;; See also: guile-gtk-general@gnu.org
 
 ;;; Try it
 ;;;
-;;;   [* Get cvs and tla]
-;;;
 ;;;   * Install gnome/gtk and libffi development stuff
 ;;;
-;;;   * Install pango, g-wrap and guile-gnome from CVS or arch: 
+;;;   * Install [pango, g-wrap and] guile-gnome from source,
 ;;;     see buildscripts/guile-gnome.sh
 ;;;  
 ;;;   * Build LilyPond with gui support: configure --enable-gui
 ;;;
 ;;;   * Supposing that LilyPond was built in ~/cvs/savannah/lilypond,
-;;;     tell fontconfig about the feta fonts dir:
+;;;     tell fontconfig about the feta fonts dir and run fc-cache
 "
 cat > ~/.fonts.conf << EOF
 <fontconfig>
 <dir>~/cvs/savannah/lilypond/mf/out</dir>
+<dir>/usr/share/texmf/fonts/type1/public/ec-fonts-mftraced</dir>
 </fontconfig>
 EOF
+fc-cache
 "
 ;;;     or copy all your .pfa/.pfb's to ~/.fonts if your fontconfig
 ;;;     already looks there for fonts.  Check if it works by doing:
@@ -79,16 +81,103 @@ lilypond -fgnome input/simple-song.ly
 
 (use-modules
  (guile)
+ (ice-9 regex)
  (srfi srfi-13)
  (lily)
- (gnome gtk))
+ (gnome gtk)
+ (gnome gw canvas))
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;; globals
 
-;; The name of the module will change to `canvas' rsn
-(if (resolve-module '(gnome gw canvas))
-    (use-modules (gnome gw canvas))
-    (use-modules (gnome gw libgnomecanvas)))
+;;; set by framework-gnome.scm
+(define canvas-root #f)
+(define output-scale #f)
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; helper functions
+
+(define (stderr string . rest)
+  (apply format (cons (current-error-port) (cons string rest)))
+  (force-output (current-error-port)))
+
+(define (debugf string . rest)
+  (if #f
+      (apply stderr (cons string rest))))
+
+(define (utf8 i)
+  (cond
+   ((< i #x80) (list (integer->char i)))
+   ((< i #x800) (map integer->char
+		     (list (+ #xc0 (quotient i #x40))
+			   (+ #x80 (modulo i #x40)))))
+   ((< i #x10000)
+    (let ((x (quotient i #x1000))
+	  (y (modulo i #x1000)))
+      (map integer->char
+	   (list (+ #xe0 x)
+		 (+ #x80 (quotient y #x40))
+		 (+ #x80 (modulo y #x40))))))
+   (else (begin (stderr "programming-error: utf-8 too big:~x\n" i)
+		(list (integer->char 32))))))
+
+(define (integer->utf8-string integer)
+  (list->string (utf8 integer)))
+
+(define (char->utf8-string char)
+  (list->string (utf8 (char->integer char))))
+
+(define (string->utf8-string string)
+  (apply
+   string-append
+   (map (lambda (x) (char->utf8-string x)) (string->list string))))
+
+(define (music-font? font)
+  (let ((encoding (ly:font-encoding font))
+	(family (font-family font)))
+    (or (memq encoding '(fetaMusic fetaBraces))
+	(string=? (substring family 0 (min (string-length family) 10))
+		  "emmentaler"))))
+
+;; FIXME
+(define-public (otf-name-mangling font family)
+  ;; Hmm, family is emmentaler20/26?
+  (if (string=? (substring family 0 (min (string-length family) 10))
+		"emmentaler")
+      (string-append "LilyPond " (substring family 10))
+      (if (string=? family "aybabtu")
+	  "LilyPondBraces"
+	  family)))
+
+(define (pango-font-name font)
+  (debugf "FONT-NAME:~S:~S\n" (ly:font-name font) (ly:font-design-size font))
+  (debugf "FONT-FAMILY:~S:~S\n" (font-family font) (otf-name-mangling font (font-family font)))
+  (otf-name-mangling font (font-family font)))
+
+(define (pango-font-size font)
+  (let* ((designsize (ly:font-design-size font))
+	 (magnification (* (ly:font-magnification font)))
+	 
+	 ;;font-name: "GNU-LilyPond-feta-20"
+	 ;;font-file-name: "feta20"
+	 ;;pango-font-name: "lilypond-feta, regular 32"
+	 ;;OPS:2.61
+	 ;;scaling:29.7046771653543
+	 ;;magnification:0.569055118110236
+	 ;;design:20.0
+	 
+	 ;; ugh, experimental sizing
+	 ;; where does factor ops come from?
+	 ;; Hmm, design size: 26/20 
+	 (ops 2.60)
+	 
+	 (scaling (* ops magnification designsize)))
+    (debugf "OPS:~S\n" ops)
+    (debugf "scaling:~S\n" scaling)
+    (debugf "magnification:~S\n" magnification)
+    (debugf "design:~S\n" designsize)
+    
+    scaling))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;; Wrappers from guile-gnome TLA
@@ -126,61 +215,6 @@ lilypond -fgnome input/simple-song.ly
       (define-method (get-path-def (this <gnome-canvas-shape>))
 	(make <gnome-canvas-path-def> #:path-def (-get-path-def this)))))
 
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;; globals
-
-;; junkme
-(define system-origin '(0 . 0))
-
-;;; set by framework-gnome.scm
-(define canvas-root #f)
-(define output-scale #f)
-
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; helper functions
-
-(define (stderr string . rest)
-  (apply format (cons (current-error-port) (cons string rest)))
-  (force-output (current-error-port)))
-
-(define (debugf string . rest)
-  (if #f
-      (apply stderr (cons string rest))))
-
-(define (utf8 i)
-  (cond
-   ((< i #x80) (list (integer->char i)))
-   ((< i #x800) (map integer->char
-		     (list (+ #xc0 (quotient i #x40))
-			   (+ #x80 (modulo i #x40)))))
-   ((< i #x10000)
-    (let ((x (quotient i #x1000))
-	  (y (modulo i #x1000)))
-      (map integer->char
-	   (list (+ #xe0 x)
-		 (+ #x80 (quotient y #x40))
-		 (+ #x80 (modulo y #x40))))))
-   (else FIXME)))
-  
-(define (custom-utf8 i)
-  (if (< i 80)
-      (utf8 i)
-      (utf8 (+ #xee00 i))))
-
-(define (string->utf8-string string)
-  (list->string
-   (apply append (map utf8 (map char->integer (string->list string))))))
-
-(define (char->utf8-string char)
-  (list->string (utf8 (char->integer char))))
-
-(define (draw-rectangle x1 y1 x2 y2 color width-units)
-  (make <gnome-canvas-rect>
-    #:parent (canvas-root) #:x1 x1 #:y1 y1 #:x2 x2 #:y2 y2
-    #:fill-color color #:width-units width-units))
-
-
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;; stencil outputters
 ;;;
@@ -193,6 +227,54 @@ lilypond -fgnome input/simple-song.ly
       (ly:all-stencil-expressions)
       (ly:all-output-backend-commands)))
 
+(define (beam width slope thick blot)
+  (define cursor '(0 . 0))
+  (define (rmoveto def x y)
+    (set! cursor (cons (+ x (car cursor)) (+ y (cdr cursor))))
+    (moveto def (car cursor) (cdr cursor)))
+  (define (rlineto def x y)
+    (set! cursor (cons (+ x (car cursor)) (+ y (cdr cursor))))
+    (lineto def (car cursor) (cdr cursor)))
+  (let* ((def (make <gnome-canvas-path-def>))
+	 (bezier (make <gnome-canvas-bpath>
+		   #:parent (canvas-root)
+		   #:fill-color "black"
+		   #:outline-color "black"
+		   #:width-units blot
+		   #:join-style 'round))
+	 (t (- thick blot))
+	 (w (- width blot))
+	 (h (* w slope)))
+    
+    (reset def)
+    (rmoveto def (/ blot 2) (/ t 2))
+    (rlineto def w (- h))
+    (rlineto def 0 (- t))
+    (rlineto def (- w) h)
+    (rlineto def 0 t)
+    (closepath def)
+    (set-path-def bezier def)
+    bezier))
+
+(define (square-beam width slope thick blot)
+  (let* ((def (make <gnome-canvas-path-def>))
+	 (y (* (- width) slope))
+	 (props (make <gnome-canvas-bpath>
+		  #:parent (canvas-root)
+		  #:fill-color "black"
+		  #:outline-color "black"
+		  #:width-units 0.0)))
+    
+    (reset def)
+    (moveto def 0 0)
+    (lineto def width y)
+    (lineto def width (- y thick))
+    (lineto def 0 (- thick))
+    (lineto def 0 0)
+    (closepath def)
+    (set-path-def props def)
+    props))
+
 ;; two beziers
 (define (bezier-sandwich lst thick)
   (let* ((def (make <gnome-canvas-path-def>))
@@ -200,132 +282,142 @@ lilypond -fgnome input/simple-song.ly
 		   #:parent (canvas-root)
 		   #:fill-color "black"
 		   #:outline-color "black"
-		   #:width-units thick)))
+		   #:width-units thick
+		   #:join-style 'round)))
 
     (reset def)
-    
+
+    ;; FIXME: LST is pre-mangled for direct ps stack usage
     ;; cl cr r l  0 1 2 3 
     ;; cr cl l r  4 5 6 7
     
-     (moveto def (car (list-ref lst 3)) (- (cdr (list-ref lst 3))))
-     (curveto def (car (list-ref lst 0)) (- (cdr (list-ref lst 0)))
+    (moveto def (car (list-ref lst 3)) (- (cdr (list-ref lst 3))))
+    (curveto def (car (list-ref lst 0)) (- (cdr (list-ref lst 0)))
  	     (car (list-ref lst 1)) (- (cdr (list-ref lst 1)))
  	     (car (list-ref lst 2)) (- (cdr (list-ref lst 2))))
 
-     (lineto def (car (list-ref lst 7)) (- (cdr (list-ref lst 7))))
-     (curveto def (car (list-ref lst 4)) (- (cdr (list-ref lst 4)))
+    (lineto def (car (list-ref lst 7)) (- (cdr (list-ref lst 7))))
+    (curveto def (car (list-ref lst 4)) (- (cdr (list-ref lst 4)))
  	     (car (list-ref lst 5)) (- (cdr (list-ref lst 5)))
  	     (car (list-ref lst 6)) (- (cdr (list-ref lst 6))))
-     (lineto def (car (list-ref lst 3)) (- (cdr (list-ref lst 3))))
+    (lineto def (car (list-ref lst 3)) (- (cdr (list-ref lst 3))))
 
     (closepath def)
     (set-path-def bezier def)
     bezier))
 
 (define (char font i)
-  ;;(text font (utf8 i)))
-  (text font (list->string (list (integer->char i))))); (utf8 i)))
+  (text font (ly:font-index-to-charcode font i)))
+
+(define (dashed-line thick on off dx dy)
+  (draw-line thick 0 0 dx dy))
+
+(define (draw-line thick x1 y1 x2 y2)
+  (let* ((def (make <gnome-canvas-path-def>))
+	 (props (make <gnome-canvas-bpath>
+		  #:parent (canvas-root)
+		  #:fill-color "black"
+		  #:outline-color "black"
+		  #:width-units thick)))
+    (reset def)
+    (moveto def x1 (- y1))
+    (lineto def x2 (- y2))
+    (set-path-def props def)
+    props))
+
+;; FIXME: naming
+(define (filledbox breapth width depth height)
+  (make <gnome-canvas-rect>
+    #:parent (canvas-root)
+    #:x1 (- breapth) #:y1 depth #:x2 width #:y2 (- height)
+    #:fill-color "black"
+    #:join-style 'miter))
+
+;; FIXME: the framework-gnome backend needs to see every item that
+;; gets created.  All items created here must should be put in a group
+;; that gets returned.
+(define (glyph-string font postscript-font-name x-y-named-glyphs)
+  (for-each
+   (lambda (x)
+
+     ;; UGR, glyph names not found
+     (stderr "GLYPH:~S\n" (caddr x))
+     (stderr "ID:~S\n" (ly:font-glyph-name-to-charcode font (caddr x)))
+     (placebox (car x) (cadr x)
+	       (make <gnome-canvas-text>
+		 #:parent (canvas-root)
+		 #:x 0.0 #:y 0.0
+		 #:anchor 'west
+		 ;;#:font postscript-font-name
+		 #:font (pango-font-name font)
+		 #:size-points 12
+		 #:size-set #t
+		 #:text
+		 (integer->utf8-string
+		  (ly:font-glyph-name-to-charcode font (caddr x))))))
+   x-y-named-glyphs))
+
+(define (grob-cause grob)
+  grob)
+
+;; WTF is this in every backend?
+(define (horizontal-line x1 x2 thickness)
+  (filledbox (- x1) (- x2 x1) (* .5 thickness) (* .5 thickness)))
+
+(define (named-glyph font name)
+  (text font (ly:font-glyph-name-to-charcode font name)))
 
 (define (placebox x y expr)
-  (debugf "item: ~S\n" expr)
   (let ((item expr))
     ;;(if item
     ;; FIXME ugly hack to skip #unspecified ...
     (if (and item (not (eq? item (if #f #f))))
 	(begin
-	  (move item
-		(* output-scale (+ (car system-origin) x))
-		(* output-scale (- (car system-origin) y)))
+	  (move item (* output-scale x) (* output-scale (- y)))
 	  (affine-relative item output-scale 0 0 output-scale 0 0)
 	  item)
 	#f)))
 
-(define (round-filled-box breapth width depth height blot-diameter)
-  ;; FIXME: no rounded corners on rectangle...
-  ;; FIXME: blot?
-  (draw-rectangle (- breapth) depth width (- height) "black" blot-diameter))
-
-(define pango-font-name-alist
-  '(("GNU-LilyPond-feta-20" . "lilypond-feta, regular 32")
-    ("GNU-LilyPond-feta-nummer-5.5" . "lilypond-feta-nummer, regular 32")
-    ("GNU-LilyPond-feta-din-14" . "lilypond-feta-din, 25")
-    ("GNU-LilyPond-feta-14.14" . "lilypond-feta, regular 25")
-    ("GNU-LilyPond-feta-12.6" .  "lilypond-feta, regular 22")
-    ("GNU-LilyPond-feta-braces-f-90" . "LilyPond-feta-braces-f, 32")
-    ))
-
-(define (pango-font-name font)
-  (let ((pango-font (assoc-get (ly:font-name font) pango-font-name-alist #f)))
-    (if pango-font
-	pango-font
-	(begin
-	  (stderr "font-name: ~S\n" (ly:font-name font))
-	  ;; TODO s/filename/file-name/
-	  (stderr "font-filename: ~S\n" (ly:font-filename font))
-	  (stderr "pango-font-size: ~S\n" (pango-font-size font))
-	"ecrm12"))))
-
-(define (pango-font-size font)
-  (let* ((designsize (ly:font-design-size font))
-	 (magnification (* (ly:font-magnification font)))
-	 
-	 ;; experimental sizing:
-	 ;; where does factor come from?
-	 ;;
-	 ;; 0.435 * (12 / 20) = 0.261
-	 ;; 2.8346456692913/ 0.261 = 10.86071137659501915708
-	 ;;(ops (* 0.435 (/ 12 20) (* output-scale pixels-per-unit)))
-	 ;; for size-points
-	 (ops 2.61)
-	 
-	 (scaling (* ops magnification designsize)))
-    (debugf "OPS:~S\n" ops)
-    (debugf "scaling:~S\n" scaling)
-    (debugf "magnification:~S\n" magnification)
-    (debugf "design:~S\n" designsize)
+(define (polygon coords blot-diameter)
+  (let* ((def (make <gnome-canvas-path-def>))
+	 (props (make <gnome-canvas-bpath>
+		  #:parent (canvas-root)
+		  #:fill-color "black"
+		  #:outline-color "black"
+		  #:join-style 'round)
+		#:width-units blot-diameter)
+	 (points (ly:list->offsets '() coords))
+	 (last-point (car (last-pair points))))
     
-    scaling))
+    (reset def)
+    (moveto def (car last-point) (cdr last-point))
+    (for-each (lambda (x) (lineto def (car x) (cdr x))) points)
+    (closepath def)
+    (set-path-def props def)
+    props))
+
+(define (round-filled-box breapth width depth height blot-diameter)
+  (let ((r (/ blot-diameter 2)))
+    (make <gnome-canvas-rect>
+      #:parent (canvas-root)
+      #:x1 (- r breapth) #:y1 (- depth r) #:x2 (- width r) #:y2 (- r height)
+      #:fill-color "black"
+      #:outline-color "black"
+      #:width-units blot-diameter
+      #:join-style 'round)))
 
-;;font-name: "GNU-LilyPond-feta-20"
-;;font-filename: "feta20"
-;;pango-font-name: "lilypond-feta, regular 32"
-;;OPS:2.61
-;;scaling:29.7046771653543
-;;magnification:0.569055118110236
-;;design:20.0
+(define (text font s)
 
-(define (text font string)
   (make <gnome-canvas-text>
     #:parent (canvas-root)
-
-    #:anchor 'west
-    #:x 0.0 #:y 0.0
-    
+    ;; ugh, experimental placement corections
+    ;; #:x 0.0 #:y 0.0
+    #:x 0.0 #:y (if (music-font? font) 0.15 0.69)
+    #:anchor (if (music-font? font) 'west 'south-west)
     #:font (pango-font-name font)
-    
     #:size-points (pango-font-size font)
-    ;;#:size ...
     #:size-set #t
-    
-    ;;apparently no effect :-(
-    ;;#:scale 1.0
-    ;;#:scale-set #t
-    
-    #:fill-color "black"
-    #:text (if (string? string)
-	       (string->utf8-string string)
-	       (char->utf8-string (car string)))))
-
-(define (filledbox a b c d)
-  (round-filled-box a b c d 0.001))
-
-;; WTF is this in every backend?
-(define (horizontal-line x1 x2 thickness)
-  (filledbox (- x1) (- x2 x1) (* .5 thickness) (* .5 thickness)))
-
-;;(define (define-origin file line col)
-;;  (if (procedure? point-and-click)
-;;      (list 'location line col file)))
+    #:text (if (integer? s)
+	       (integer->utf8-string s)
+	       (string->utf8-string s))))
 
-(define (grob-cause grob)
-  grob)