# HG changeset patch
# User David Douard <david.douard@logilab.fr>
# Date 1219341174 -7200
# Node ID 8ec1c26a4a9978c84a3dc31d36eeef8bd8257116
# Parent  e6340960fcbecdd5451adc04ce2747f8a2b4d1c1
Small fixes to HPGL plotter (be a little bit more robust)

diff -r e6340960fcbe -r 8ec1c26a4a99 pygpibtoolkit/plotter/hpgl_parser.py
--- a/pygpibtoolkit/plotter/hpgl_parser.py	Thu Aug 21 19:52:02 2008 +0200
+++ b/pygpibtoolkit/plotter/hpgl_parser.py	Thu Aug 21 19:52:54 2008 +0200
@@ -40,7 +40,11 @@
             else:
                 cmd = data[self.idx: self.idx+2].upper()
                 self.idx += 2
-                getattr(self, cmd)()
+                try:
+                    getattr(self, cmd)()
+                except AttributeError:
+                    print "WARNING: received unknown command %s"%repr(cmd)
+                    
             while self.idx<len(data) and data[self.idx] in [';','\n','\r', '\a', ' ']:
                 self.idx += 1
 
diff -r e6340960fcbe -r 8ec1c26a4a99 pygpibtoolkit/plotter/hpgl_qt.py
--- a/pygpibtoolkit/plotter/hpgl_qt.py	Thu Aug 21 19:52:02 2008 +0200
+++ b/pygpibtoolkit/plotter/hpgl_qt.py	Thu Aug 21 19:52:54 2008 +0200
@@ -89,7 +89,7 @@
             
     def SP(self):
         HPGLParser.SP(self)
-        color = self.pen_colors[self.pen]
+        color = self.pen_colors[self.pen % len(self.pen_colors)]
         if isinstance(color, tuple):
             color = QtGui.QColor(*color)
         else: