X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Foutput-ps.scm;h=f7d0ee5b44a5ba0890f3c5e686890498ef5da70d;hb=aed0295b202901dcd07b289f94ff258a06b547e7;hp=681db247763dafc8bcc85217104674a346676b03;hpb=1b53967cac8270deead13e34731cec64be286885;p=lilypond.git

diff --git a/scm/output-ps.scm b/scm/output-ps.scm
index 681db24776..f7d0ee5b44 100644
--- a/scm/output-ps.scm
+++ b/scm/output-ps.scm
@@ -2,7 +2,7 @@
 ;;;;
 ;;;;  source file of the GNU LilyPond music typesetter
 ;;;; 
-;;;; (c)  1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;;                 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 
 ;;;; Note: currently misused as testbed for titles with markup, see
@@ -13,116 +13,84 @@
 ;;;;   * text setting, kerning.
 ;;;;   * document output-interface
 
-(debug-enable 'backtrace)
-
 (define-module (scm output-ps)
   #:re-export (quote)
-  #:export (define-fonts
-	     unknown
-	     output-paper-def
-	     output-scopes
-	     select-font
-	     blank
-	     dot
-	     beam
-	     bracket
-	     dashed-slur
-	     char
-	     dashed-line
-	     zigzag-line
-	     symmetric-x-triangle
-	     ez-ball
-	     comment
-	     end-output
-	     experimental-on
-	     repeat-slash
-	     header-end
-	     header
-	     placebox
-	     bezier-sandwich
-	     start-system
-	     stop-system
-	     stop-last-system
-	     horizontal-line
-	     filledbox
-	     round-filled-box
-	     text
-	     tuplet
-	     polygon
-	     draw-line
-	     define-origin
-	     no-origin
-	     start-page
-	     stop-page
-	     ))
+
+  ;; JUNK this -- see lily.scm: ly:all-output-backend-commands
+  #:export (unknown
+	    blank
+	    circle
+	    dot
+	    dashed-slur
+	    char
+	    setcolor
+	    resetcolor
+	    named-glyph
+	    dashed-line
+	    zigzag-line
+	    comment
+	    repeat-slash
+	    placebox
+	    bezier-sandwich
+	    embedded-ps
+	    round-filled-box
+	    text
+	    polygon
+	    draw-line
+	    no-origin))
+
 
 (use-modules (guile)
 	     (ice-9 regex)
 	     (srfi srfi-1)
 	     (srfi srfi-13)
+	     (scm framework-ps)
 	     (lily))
 
-;;; Global vars
-(define page-count 0)
-(define page-number 0)
-
 ;;; helper functions, not part of output interface
 (define (escape-parentheses s)
   (regexp-substitute/global #f "(^|[^\\])([\\(\\)])" s 'pre 1 "\\" 2 'post))
 
-(define (offset-add a b)
-  (cons (+ (car a) (car b))
-	(+ (cdr a) (cdr b))))
-
 (define (ps-encoding text)
   (escape-parentheses text))
 
 ;; FIXME: lily-def
-(define (ps-string-def prefix key val)
+(define-public (ps-string-def prefix key val)
   (string-append "/" prefix (symbol->string key) " ("
 		 (escape-parentheses val)
 		 ") def\n"))
 
+
 (define (ps-number-def prefix key val)
   (let ((s (if (integer? val)
 	       (ly:number->string val)
 	       (ly:number->string (exact->inexact val)))))
     (string-append "/" prefix (symbol->string key) " " s " def\n")))
 
-(define (tex-font? fontname)
-  (equal? (substring fontname 0 2) "cm"))
-
 
 ;;;
 ;;; Lily output interface, PostScript implementation --- cleanup and docme
 ;;;
 
-;;; Output-interface functions
-(define (beam width slope thick blot)
-  (string-append
-   (ly:numbers->string (list slope width thick blot)) " draw_beam" ))
-
 ;; two beziers
-(define (bezier-sandwich l thick)
+(define (bezier-sandwich lst thick)
   (string-append 
-   (string-join (map ly:number-pair->string l) " ")
+   (string-join (map ly:number-pair->string lst) " ")
    " "
    (ly:number->string thick)
    " draw_bezier_sandwich"))
 
-(define (bracket arch_angle arch_width arch_height  height arch_thick thick)
-  (string-append
-   (ly:numbers->string
-    (list arch_angle arch_width arch_height height arch_thick thick))
-   " draw_bracket"))
-
 (define (char font i)
   (string-append 
-    (font-command font) " setfont " 
-   "(\\" (ly:inexact->string i 8) ") show" ))
+   (ps-font-command font) " setfont " 
+   "(\\" (ly:inexact->string i 8) ") show"))
 
-(define (comment s)
-  (string-append "% " s "\n"))
+(define (circle radius thick fill)
+  (format
+   "~a ~a ~a draw_circle" radius thick
+   (if fill
+       "true "
+       "false ")))
 
 (define (dashed-line thick on off dx dy)
   (string-append 
@@ -135,109 +103,17 @@
    " ] 0 draw_dashed_line"))
 
 ;; what the heck is this interface ?
-(define (dashed-slur thick dash l)
+(define (dashed-slur thick on off l)
   (string-append 
    (string-join (map ly:number-pair->string l) " ")
    " "
    (ly:number->string thick) 
    " [ "
-   (ly:number->string dash)
-   " "
-   ;;UGH.  10 ?
-   (ly:number->string (* 10 thick))
+   (ly:number->string on)
+   " "   
+   (ly:number->string off)
    " ] 0 draw_dashed_slur"))
 
-(define (font-command font . override-coding)
-  (let* ((name (ly:font-filename font))
-	 (magnify (ly:font-magnification font))
-	 (coding-alist (ly:font-encoding-alist font))
-	 (input-encoding (assoc-get 'input-name coding-alist))
-	 (font-encoding (assoc-get 'output-name coding-alist))
-	 (coding-command (if (null? override-coding)
-			     (if (equal? input-encoding font-encoding)
-				 #f font-encoding)
-			     (car override-coding))))
-
-    ;; FIXME:  now feta stuff has feta* input-encoding (again?)
-    ;;(format (current-error-port) "FONT: ~S, ~S\n" name font-encoding)
-    ;;(format (current-error-port) "INPUT: ~S\n" input-encoding)
-    (if (and coding-command (equal? (substring coding-command 0 4) "feta"))
-	(set! coding-command #f))
-
-    (string-append
-     "magfont" (string-encode-integer (hashq  name 1000000))
-     "m" (string-encode-integer (inexact->exact (round (* 1000 magnify))))
-     (if (not coding-command) "" (string-append "e" coding-command)))))
-
-(define (define-fonts paper font-list)
-  
-  (define (define-font command fontname scaling)
-    (string-append
-     "/" command " { /" fontname " findfont "
-     (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
-
-  (define (reencode-font plain encoding command)
-    (let ((coding-vector (get-coding-command encoding)))
-      (string-append
-       plain " " coding-vector " /" command " reencode-font\n"
-       "/" command "{ /" command " findfont 1 scalefont } bind def\n")))
-  
-  (define (guess-ps-fontname basename)
-    "We do not have the FontName, try to guess is from basename."
-    (cond
-     ((tex-font? basename)
-      ;; FIXME: we need proper Fontmap for the bluesky CM*, EC* fonts.
-      ;; Only the fonts that we trace in mf/ are in our own FontMap.
-      (string-append basename ".pfb"))
-     (else (string-append basename ".pfa"))
-     ))
-
-  (define (font-load-command paper font)
-    (let* ((specced-font-name (ly:font-name font))
-	   (fontname (if specced-font-name
-			 specced-font-name
-			 (guess-ps-fontname (ly:font-filename font))))
-	   
-	   (coding-alist (ly:font-encoding-alist font))
-	   (input-encoding (assoc-get 'input-name coding-alist))
-	   (font-encoding (assoc-get 'output-name coding-alist))
-	   (command (font-command font))
-	   ;; FIXME -- see (font-command )
-	   (plain (font-command font #f))
-	   (designsize (ly:font-design-size font))
-	   (magnification (* (ly:font-magnification font)))
-	   (ops (ly:paper-lookup paper 'outputscale))
-	   (scaling (* ops magnification designsize)))
-
-      (string-append
-       (define-font plain fontname scaling)
-       (if (or (equal? input-encoding font-encoding)
-	       ;; guh
-	       (equal? font-encoding "fetaBraces")
-	       (equal? font-encoding "fetaNumber")
-	       (equal? font-encoding "fetaMusic")
-	       (equal? font-encoding "parmesanMusic"))
-	       ""
-	   (reencode-font plain input-encoding command)))))
-  
-  (define (font-load-encoding encoding)
-    (let ((filename (get-coding-filename encoding)))
-      (ly:kpathsea-gulp-file filename)))
-
-  (let* ((encoding-list (map (lambda (x)
-			       (assoc-get 'input-name
-					  (ly:font-encoding-alist x)))
-			     font-list))
-	 (encodings (uniq-list (sort-list (filter string? encoding-list)
-					  string<?))))
-
-    (string-append
-     (apply string-append (map font-load-encoding encodings))
-     (apply string-append
-	    (map (lambda (x) (font-load-command paper x)) font-list)))))
-
-(define (define-origin file line col) "")
-
 (define (dot x y radius)
   (string-append
    " "
@@ -253,124 +129,99 @@
    (ly:number->string x2) " "
    (ly:number->string y2) " lineto stroke"))
 
-(define (end-output)
-  "\nend-lilypond-output\n")
-
-(define (ez-ball ch letter-col ball-col)
-  (string-append
-   " (" ch ") "
-   (ly:numbers->string (list letter-col ball-col))
-   " /Helvetica-Bold " ;; ugh
-   " draw_ez_ball"))
-
-(define (filledbox breapth width depth height) 
-  (string-append (ly:numbers->string (list breapth width depth height))
-		 " draw_box"))
-
-(define (header creator time-stamp paper page-count- classic?)
-  (set! page-count page-count-)
-  (set! page-number 0)
-  (string-append
-   "%!PS-Adobe-3.0\n"
-   "%%Creator: " creator " " time-stamp "\n"
-   "%%Pages: " (number->string page-count) "\n"
-   "%%PageOrder: Ascend\n"
-   "%%DocumentPaperSizes: " (ly:paper-lookup paper 'papersize) "\n"
-   ;;(string-append "GNU LilyPond (" (lilypond-version) "), ")
-   ;;	   (strftime "%c" (localtime (current-time))))
-   ;; FIXME: duplicated in every backend
-   (ps-string-def
-    "lilypond" 'tagline
-    (string-append "Engraved by LilyPond (version " (lilypond-version) ")"))))
-
-(define (header-end)
-  (string-append
-   (ly:gulp-file "lilyponddefs.ps")
-   (ly:gulp-file "music-drawing-routines.ps")))
-
-(define (horizontal-line x1 x2 th)
-  (draw-line th x1  0 x2 0))
+(define (embedded-ps string)
+  (display (list "len " (string-length string) "\n"))
+  string)
+
+(define (glyph-string
+	 postscript-font-name
+	 size cid?
+	 w-x-y-named-glyphs)
+
+  (format #f "gsave 
+  /~a ~a ~a output-scale div scalefont setfont\n~a grestore"
+	  postscript-font-name
+	  (if cid?
+	      " /CIDFont findresource "
+	      " findfont")
+	  size
+	  (apply
+	   string-append
+	   (map (lambda  (item)
+		  (let*
+		      ((w (car item))
+		       (x (cadr item))
+		       (y (caddr item))
+		       (g (cadddr item))
+		       (prefix (if  (string? g) "/" "")))
+
+		    (format #f " gsave ~a~a glyphshow grestore ~a ~a rmoveto \n" prefix g (+ w x) y)
+		    ))
+		w-x-y-named-glyphs))))
+
+(define (grob-cause offset grob)
+  (let* ((cause (ly:grob-property grob 'cause))
+	 (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))
+	       (raw-file (car location))
+	       (file (if (is-absolute? raw-file)
+			 raw-file
+			 (string-append (ly-getcwd) "/" raw-file)))
+	       (x-ext (ly:grob-extent grob grob X))
+	       (y-ext (ly:grob-extent grob grob Y)))
+
+	  (if (and (< 0 (interval-length x-ext))
+		   (< 0 (interval-length y-ext)))
+	      (format "~a ~a ~a ~a (textedit://~a:~a:~a:~a) mark_URI\n"
+		      (ly:number->string (+ (car offset) (car x-ext)))
+		      (ly:number->string (+ (cdr offset) (car y-ext)))
+		      (ly:number->string (+ (car offset) (cdr x-ext)))
+		      (ly:number->string (+ (cdr offset) (cdr y-ext)))
+
+		      ;; TODO
+		      ;; full escaping.
+		      (string-regexp-substitute " " "%20" file)
+		      (cadr location)
+		      (caddr location)
+		      (cadddr location))
+	      "")))))
 
 (define (lily-def key val)
-  (let ((prefix "lilypondpaper"))
+  (let ((prefix "lilypondlayout"))
     (if (string=?
 	 (substring key 0 (min (string-length prefix) (string-length key)))
 	 prefix)
 	(string-append "/" key " {" val "} bind def\n")
 	(string-append "/" key " (" val ") def\n"))))
 
-(define (no-origin) "")
-
-;; FIXME: duplictates output-scopes, duplicated in other backends
-;; FIXME: silly interface name
-(define (output-paper-def pd)
-  (let ((prefix "lilypondpaper"))
-    
-    (define (scope-entry->string key var)
-      (if (variable-bound? var)
-	  (let ((val (variable-ref var)))
-	    (cond
-	     ((string? val) (ps-string-def prefix key val))
-	     ((number? val) (ps-number-def prefix key val))
-	     (else "")))
-	  ""))
-      
-    (apply
-     string-append
-     (module-map scope-entry->string (ly:output-def-scope pd)))))
-
-;; FIXME: duplicated in other output backends
-;; FIXME: silly interface name
-(define (output-scopes paper scopes fields basename)
-  (let ((prefix "lilypond"))
-
-    ;; FIXME: duplicates output-paper's scope-entry->string, mostly
-    (define (scope-entry->string key var)
-      (if (variable-bound? var)
-	  (let ((val (variable-ref var)))
-	    (if (and (memq key fields) (string? val))
-		(header-to-file basename key val))
-	    (cond
-	     ((string? val) (ps-string-def prefix key val))
-	     ((number? val) (ps-number-def prefix key val))
-	     (else "")))
-	  ""))
-    
-    (define (output-scope scope)
-      (apply string-append (module-map scope-entry->string scope)))
-
-    (string-append (apply string-append (map output-scope scopes)))))
-
-;; hmm, looks like recursing call is always last statement, does guile
-;; think so too?
-(define (output-stencil port expr offset)
-  (if (pair? expr)
-      (let ((head (car expr)))
-	(cond
-	 ((ly:input-location? head)
-	  (display (apply define-origin (ly:input-location head)) port)
-	  (output-stencil port (cadr expr) offset))
-	 ((eq? head 'no-origin)
-	  (display (expression->string head) port)
-	  (output-stencil port (cadr expr) offset))
-	 ((eq? head 'translate-stencil)
-	  (output-stencil port (caddr expr) (offset-add offset (cadr expr))))
-	 ((eq? head 'combine-stencil)
-	  (output-stencil port (cadr expr) offset)
-	  (output-stencil port (caddr expr) offset))
-	 (else
-	  (display (placebox (car offset) (cdr offset)
-			     (expression->string expr)) port))))))
+(define (named-glyph font glyph)
+  (string-append 
+   (ps-font-command font) " setfont " 
+   "/" glyph " glyphshow "))
+
+(define (no-origin)
+  "")
 
 (define (placebox x y s) 
-  (string-append 
-   (ly:number->string x) " " (ly:number->string y) " { " s " } place-box\n"))
+  (format
+   "gsave ~a ~a translate
+0 0 moveto
+~a
+grestore\n"
+
+   (ly:number->string x)
+   (ly:number->string y)
+   s))
 
-(define (polygon points blotdiameter)
+(define (polygon points blotdiameter filled?)
   (string-append
    (ly:numbers->string points) " "
    (ly:number->string (/ (length points) 2)) " "
    (ly:number->string blotdiameter)
+   (if filled? " true " " false ")
    " draw_polygon"))
 
 (define (repeat-slash wid slope thick)
@@ -378,84 +229,65 @@
    (ly:numbers->string (list wid slope thick))
    " draw_repeat_slash"))
 
-(define (round-filled-box x y width height blotdiam)
-   (string-append
-    (ly:numbers->string
-     (list x y width height blotdiam)) " draw_round_box"))
-
-(define (start-system origin dim)
-  (string-append
-   "\n" (ly:number-pair->string origin) " start-system\n"
-   "{\n"
-   "set-ps-scale-to-lily-scale\n"))
+;; restore color from stack
+(define (resetcolor)
+  (string-append "setrgbcolor\n"))
 
-(define (stem breapth width depth height) 
+(define (round-filled-box x y width height blotdiam)
   (string-append
-   (ly:numbers->string (list breapth width depth height))
-   " draw_box" ))
-
-(define (stop-system last?)
-  "} stop-system\n")
+   (ly:numbers->string
+    (list x y width height blotdiam)) " draw_round_box"))
 
-(define (symmetric-x-triangle thick w h)
-  (string-append
-   (ly:numbers->string (list h w thick))
-   " draw_symmetric_x_triangle"))
+;; save current color on stack and set new color
+(define (setcolor r g b)
+  (string-append "currentrgbcolor "
+  (ly:numbers->string (list r g b))
+  " setrgbcolor\n"))
 
 (define (text font s)
-  (let*
-      
-      (
-       ;; ugh, we should find a better way to
-       ;; extract the hsbw for /space from the font.
-       
-       (space-length (cdar (ly:text-dimension font "t"))) 
-       (commands '())
-       (add-command (lambda (x) (set! commands (cons x commands)))) )
-
-    (string-fold
-     (lambda (chr word)
-       "Translate space as into moveto, group the rest in words."
-       (if (and (< 0 (string-length word))
-		(equal? #\space  chr))
-	   (add-command 
-	    (string-append "(" (ps-encoding word) ") show\n")))
-
-       (if (equal? #\space  chr)
-	   (add-command  (string-append (number->string space-length) " 0.0 rmoveto ")) )
-       
-       (if (equal? #\space  chr)
-	   ""
-	   (string-append word (make-string 1 chr))))
-     ""
-     (string-append  s " "))
+  ;; (ly:warning (_ "TEXT backend-command encountered in Pango backend"))
+  ;; (ly:warning (_ "Arguments: ~a ~a"" font str))
+  
+  (let* ((space-length (cdar (ly:text-dimension font " ")))
+	 (space-move (string-append (number->string space-length)
+				    " 0.0 rmoveto "))
+	 (out-vec (decode-byte-string s)))
 
     (string-append
-     (font-command font) " setfont "
-     (string-join (reverse commands)))
-    ))
-  
+     (ps-font-command font) " setfont "
+     (string-join
+      (vector->list
+       (vector-for-each
+	
+	(lambda (sym)
+	  (if (eq? sym 'space)
+	      space-move
+	      (string-append "/" (symbol->string sym) " glyphshow")))
+	out-vec))))))
+
 (define (unknown) 
   "\n unknown\n")
 
+(define (url-link url x y)
+  (format "~a ~a ~a ~a (~a) mark_URI"
+	  (car x)
+	  (car y)
+	  (cdr x)
+	  (cdr y)
+	  url))
+
+(define (utf-8-string pango-font-description string)
+  (ly:warning (_ "utf-8-string encountered in PS backend")))
+
+
+
 (define (zigzag-line centre? zzw zzh thick dx dy)
   (string-append
-    (if centre? "true" "false") " "
-    (ly:number->string zzw) " "
-    (ly:number->string zzh) " "
-    (ly:number->string thick) " "
-    "0 0 "
-    (ly:number->string dx) " "
-    (ly:number->string dy)
-    " draw_zigzag_line"))
-
-(define (start-page)
-  (set! page-number (+ page-number 1))
-  (string-append
-   "%%Page: " (number->string page-number) " " (number->string page-count) "\n"
-  "start-page\n"))
-
-(define (stop-page last?)
-  (if last?
-      "\nstop-last-page\n"
-      "\nstop-page\n"))
+   (if centre? "true" "false") " "
+   (ly:number->string zzw) " "
+   (ly:number->string zzh) " "
+   (ly:number->string thick) " "
+   "0 0 "
+   (ly:number->string dx) " "
+   (ly:number->string dy)
+   " draw_zigzag_line"))