[Rdkit-devel] [PATCH 01/17] Add new CanvasBase class with required interface

[Gianluca S. <gi...@gm...>]

---
 rdkit/Chem/Draw/canvasbase.py |   24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+), 0 deletions(-)
 create mode 100644 rdkit/Chem/Draw/canvasbase.py

diff --git a/rdkit/Chem/Draw/canvasbase.py b/rdkit/Chem/Draw/canvasbase.py
new file mode 100644
index 0000000..86c13c5
--- /dev/null
+++ b/rdkit/Chem/Draw/canvasbase.py
@@ -0,0 +1,24 @@
+#  Copyright (C) 2010 Gianluca Sforna
+#
+#  All Rights Reserved
+#
+#  This file is part of the RDKit.
+#  The contents are covered by the terms of the BSD license
+#  which is included in the file license.txt, found at the root
+#  of the RDKit source tree.
+
+class CanvasBase:
+    """ Base class for specialized canvas backends """
+
+    def addCanvasLine(self):
+        assert False, 'This should be implemented'
+
+    def addCanvasText(self):
+        assert False, 'This should be implemented'
+
+    def addCanvasPolygon(self):
+        assert False, 'This should be implemented'
+        
+    def addCanvasDashedWedge(self):
+        assert False, 'This should be implemented'
+
-- 
1.7.4