X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=dev%2Fgraphviz%2Fgraphviz-support.lisp;h=eda1187d94071cd8aa7bd2253ddaa6833a2963f0;hb=a419a81fe65c79b62f1b9aef584572f7a21cf294;hp=411b82dd30a59cd5bb03c4714b06ab1cc37d3c56;hpb=9fb2488c515b9a579bf1d9f6769362d5d045d247;p=cl-graph.git

diff --git a/dev/graphviz/graphviz-support.lisp b/dev/graphviz/graphviz-support.lisp
index 411b82d..eda1187 100644
--- a/dev/graphviz/graphviz-support.lisp
+++ b/dev/graphviz/graphviz-support.lisp
@@ -2,8 +2,6 @@
 
 #| simple-header
 
-$Id: graphviz-support.lisp,v 1.7 2005/06/21 20:51:51 moody Exp $
-
 Author: Gary King, Levente Mészáros, Attila Lendvai
 
 DISCUSSION
@@ -28,7 +26,8 @@ This file contains the stuff that does not depend on cl-graphviz.
                        (edge-labeler 'princ) 
                        (edge-formatter 'edge->dot)
                        &allow-other-keys)
-  (format stream "~A G {~%graph " (if (contains-undirected-edge-p g) "graph" "digraph"))
+  (format stream "~A G {~%graph " 
+	  (if (contains-undirected-edge-p g) "graph" "digraph"))
   (format stream "[")
   (funcall graph-formatter g stream)
   (format stream "];")
@@ -355,14 +354,15 @@ B--D []
 (defmacro defpixel-inch-accessors (name attr type)
   (bind ((actual-name (form-symbol name "-IN-PIXELS")))
     `(progn
-      (export ',actual-name)
+       (eval-always (export ',actual-name))
       (defmethod ,actual-name ((thing ,type))
         "Return the attribute in pixels assuming 72 dpi"
-        (awhen (dot-attribute-value ,attr thing)
-          (* 72 it)))
+        (when (dot-attribute-value ,attr thing)
+          (* 72 (dot-attribute-value ,attr thing))))
       (defmethod (setf ,actual-name) (value (thing ,type))
         "Set the attribute in pixels assuming 72 dpi"
-        (setf (dot-attribute-value ,attr thing) (coerce (/ value 72) 'double-float))))))
+        (setf (dot-attribute-value ,attr thing)
+	      (coerce (/ value 72) 'double-float))))))
 
 (defpixel-inch-accessors width :width dot-vertex-mixin)
 (defpixel-inch-accessors height :height dot-vertex-mixin)
@@ -497,8 +497,10 @@ B--D []
 (defmethod graph->dot-external ((g basic-graph) file-name &key (type :ps))
   "Generate an external represenation of a graph to a file, by running
 the program in *dot-path*."
+  (declare (ignorable file-name))
   (let ((dot-string (graph->dot g nil))
         (dot-type (concatenate 'string "-T" (string-downcase (symbol-name type)))))
+    (declare (ignorable dot-string dot-type))
     #+lispworks (with-open-stream
                     (s (sys:open-pipe (concatenate 'string *dot-path* " -Tpng -o" file-name)
                                       :direction :input))