remove file.

[lilypond.git] / scm / paper.scm

diff --git a/scm/paper.scm b/scm/paper.scm
index ae0ca635b5b3c7c7e9df0164e5ea83d475cf4185..a2b359f15431b529c0d05cc2253262c774e42a0d 100644 (file)
--- a/scm/paper.scm
+++ b/scm/paper.scm
@@ -9,37 +9,62 @@
   "Function to be called inside a \\paper{} block to set the staff size."
   (let* ((m (current-module))
         (ss (/ sz 4))
-        (pt (eval 'pt m)) 
+        (pt (eval 'pt m))
+
+        
+        ;; linear interpolation.
+        (x1 (* 4.125 pt))
+        (x0 (* 5 pt))
+        (f1 (* 0.47 pt))
+        (f0 (* 0.50 pt))
+        (lt (/
+             (+
+              (* f1 (- ss x0))
+              (* f0 (- x1 ss)))
+             (- x1 x0)))
+        
         (mm (eval 'mm m)))
-   
-    (module-define! m 'fonts (make-font-tree (/  sz (* 20 pt))))
-    
+
+    (module-define! m 'outputscale ss)
+    (module-define! m 'fonts (make-cmr-tree (/  sz (* 20 pt))))
     (module-define! m 'staffheight sz)
     (module-define! m 'staff-space ss)
     (module-define! m 'staffspace ss)
 
-
     ;; !! synchronize with feta-params.mf
-    (module-define! m 'linethickness (+ (* 0.3 pt) (* 0.04 ss)))
-    (module-define! m 'outputscale ss)
+    (module-define! m 'linethickness lt)
     (module-define! m 'ledgerlinethickness (+ (* 0.5 pt) (/ ss 10)))
     (module-define! m 'blotdiameter (* 0.35 pt))
-    (module-define! m 'interscoreline (* 4 mm))))
+    (module-define! m 'interscoreline (* 4 mm))
+
+    (module-define! m 'dimension-variables
+                   '(pt mm cm in staffheight staff-space
+                        betweensystemspace betweensystempadding
+                        linewidth indent hsize vsize
+                        staffspace linethickness ledgerlinethickness
+                        blotdiameter interscoreline leftmargin rightmargin))
+    ))
 
 (define-public (set-global-staff-size sz)
   "Set the default staff size, where SZ is thought to be in PT."
   (let* ((old-mod (current-module))
-        (pap (eval '$defaultpaper old-mod))
+        (pap (eval '$defaultbookpaper old-mod))
+        (in-paper? (or (module-defined? old-mod 'is-bookpaper)
+                       (module-defined? old-mod 'is-paper)))
 
-
-        ;; Huh? Why is it necessary to clone object? 
+        ; maybe not necessary.
+        ; but let's be paranoid. Maybe someone still refers to the
+        ; old one. 
         (new-paper (ly:output-def-clone pap))
+        
         (new-scope (ly:output-def-scope new-paper)))
     
+    (if in-paper?
+       (ly:warn "Not in toplevel scope"))
     (set-current-module new-scope)
     (paper-set-staff-size (* sz (eval 'pt new-scope)))
     (set-current-module old-mod)
-    (module-define! old-mod '$defaultpaper new-paper)))
+    (module-define! old-mod '$defaultbookpaper new-paper)))
 
 (define paper-alist
   '(("a6" . (cons (* 105 mm) (* 148.95 mm)))
@@ -61,41 +86,76 @@
     (module-define! m 'indent (/ w 14))
 
     ;; page layout - what to do with (printer specific!) margin settings?
-    (module-define! m 'top-margin (* 5 mm))
-    (module-define! m 'bottom-margin (* 6 mm))
-    (module-define! m 'head-sep (* 4 mm))
-    (module-define! m 'foot-sep (* 4 mm))))
-
-
-
-(define (internal-set-paper-size module name)
+    (module-define! m 'topmargin (* 5 mm))
+    (module-define! m 'bottommargin (* 6 mm))
+    (module-define! m 'headsep (* 4 mm))
+    (module-define! m 'footsep (* 4 mm))
+    (module-define! m 'leftmargin #f)
+    (module-define! m 'firstpagenumber 1)
+    (module-define! m 'rightmargin (* 10 mm))))
+
+(define (internal-set-paper-size module name landscape?)
+  (define (swap x)
+    (cons (cdr x) (car x)))
+  
   (let* ((entry (assoc name paper-alist))
-        (is-paper? (module-defined? module '$is-paper))
+        (is-bookpaper? (module-defined? module 'is-bookpaper))
         (mm (eval 'mm module)))
     
     (cond
-     ((not is-paper?)
-      (ly:warning "This is not a \\paper {} object:")
-      (display module))
+     ((not is-bookpaper?)
+      (ly:warning "This is not a \\paper {} object, ~S"
+                  module))
      ((pair? entry)
-      (set! entry (eval  (cdr entry) module))
-         (set-paper-dimensions module (car entry) (cdr entry))
-         (module-define! module 'papersize name)
-         (module-define! module 'papersizename name)
-         (set-paper-dimensions module (car entry) (cdr entry)))
+
+      (set! entry (eval (cdr entry) module))
+      (if landscape?
+         (set! entry (swap entry)))
+      (set-paper-dimensions module (car entry) (cdr entry))
+      (module-define! module 'papersize name)
+      (module-define! module 'papersizename name)
+      (if landscape?
+         (module-define! module 'landscape #t))
+      )
      (else
       (ly:warn (string-append "Unknown papersize: " name))))
 
     ))
 
-(define-public (set-default-paper-size name)
-  (internal-set-paper-size (ly:output-def-scope (eval '$defaultpaper (current-module)))
-                          name))
+(define-public (set-default-paper-size name . rest)
+  (internal-set-paper-size
+   (ly:output-def-scope (eval '$defaultbookpaper (current-module)))
+   name
+   (memq 'landscape rest)
+   ))
 
-(define-public (set-paper-size name)
-  (if (module-defined? (current-module) '$is-paper)
-      (internal-set-paper-size (current-module) name)
+(define-public (set-paper-size name . rest)
+  (if (module-defined? (current-module) 'is-paper)
+      (internal-set-paper-size (current-module) name
+                              (memq 'landscape rest))
 
       ;;; TODO: should raise (generic) exception with throw, and catch
       ;;; that in parse-scm.cc
       (ly:warn "Must use #(set-paper-size .. ) within \\paper { ... }")))
+
+(define-public (scale-paper pap scale)
+  (let*
+      ((new-pap (ly:output-def-clone pap))
+       (dim-vars (ly:output-def-lookup pap 'dimension-variables))
+       (scope (ly:output-def-scope new-pap)))
+
+    (for-each
+     (lambda (v)
+       (define val (ly:output-def-lookup pap v))
+       (if (number? val)
+          (module-define! scope v
+                          (/ val scale))
+
+          ;; spurious warnings, eg. for hsize, vsize. 
+;         (ly:warn "not a number, ~S = ~S " v  val)
+          ))
+     
+     dim-vars)
+
+    new-pap
+  ))