$Id: graphviz-support.lisp,v 1.7 2005/06/21 20:51:51 moody Exp $
-Author: Gary King, Levente Mészáros, Attila Lendvai
+Author: Gary King, Levente Mészáros, Attila Lendvai
DISCUSSION
; "GRAPHVIZ".
;
(defmethod graph->dot ((g basic-graph) (stream stream)
- &key
+ &key
(graph-formatter 'graph->dot-properties)
(vertex-key 'vertex-id)
(vertex-labeler nil)
(vertex-formatter 'vertex->dot)
- (edge-key nil)
(edge-labeler 'princ)
- (edge-formatter 'edge->dot))
+ (edge-formatter 'edge->dot)
+ &allow-other-keys)
(format stream "~A G {~%graph " (if (contains-undirected-edge-p g) "graph" "digraph"))
(format stream "[")
(funcall graph-formatter g stream)
(princ " [" stream)
(when (and directed? directed-edge-tag)
(princ directed-edge-tag stream))
- (when edge-key
+ (when edge-labeler
(princ "label=\"" stream)
(funcall edge-labeler e stream)
(princ "\"," stream))
'((:size coordinate)
(:bb bounding-box)
(:page text)
+ (:dpi float)
(:ratio (:fill :compress :auto)) ;; Could actually be a float number too
(:margin float)
(:nodesep float)
(:ranksep float)
(:ordering (:out))
+ (:overlap text)
(:rankdir ("LR" "RL" "BT"))
(:pagedir text)
(:rank (:same :min :max))
(:mclimit float)
(:layers text)
(:color text)
- (:bgcolor text)))
+ (:bgcolor text)
+ (:fontname text)))
(defparameter *dot-vertex-attributes*
'((:pos coordinate)
(:height float)
(:width float)
+ (:margin float)
(:fixed-size boolean)
(:label text)
(:shape (:record :plaintext :ellipse :circle :egg :triangle :box
(:fillcolor text)
(:style (:filled :solid :dashed :dotted :bold :invis))
(:layer text)
- (:url text)))
+ (:url text)
+ (:peripheries integer)))
(defparameter *dot-edge-attributes*
'((:pos spline)
(defmethod dot-attribute-value ((attr symbol) (thing dot-attributes-mixin))
(getf (dot-attributes thing) attr))
+(defmacro defpixel-inch-accessors (name attr type)
+ (bind ((actual-name (form-symbol name "-IN-PIXELS")))
+ `(progn
+ (export ',actual-name)
+ (defmethod ,actual-name ((thing ,type))
+ "Return the attribute in pixels assuming 72 dpi"
+ (awhen (dot-attribute-value ,attr thing)
+ (* 72 it)))
+ (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))))))
+
+(defpixel-inch-accessors width :width dot-vertex-mixin)
+(defpixel-inch-accessors height :height dot-vertex-mixin)
+
+
(defmethod graph->dot-properties ((graph dot-graph-mixin) (stream t))
(loop for (name value) on (dot-attributes graph) by #'cddr
do
((member text)
(textify value))
((member float)
- (coerce value 'single-float))
+ ;; graphviz does not support the 1.2e-3 format
+ (with-output-to-string (str)
+ (format str "~,f" (coerce value 'single-float))))
(list
(unless (member value value-type :test 'equal)
(error "Invalid value for ~S: ~S is not one of ~S"