mdboom · mdboom · commit c6b1c46169c5 · 2008-07-10T14:07:00.000Z
[ 2014183 ] multiple imshow() causes gray edges

svn path=/trunk/matplotlib/; revision=5730
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,3 +1,5 @@
+2008-07-10 Bugfix: [ 2014183 ] multiple imshow() causes gray edges - MGD
+
 2008-07-09 Fix rectangular axes patch on polar plots bug - MGD
 
 2008-07-09 Improve mathtext radical rendering - MGD
diff --git a/lib/matplotlib/backends/backend_agg.py b/lib/matplotlib/backends/backend_agg.py
@@ -211,6 +211,11 @@ def buffer_rgba(self,x,y):
     def clear(self):
         self._renderer.clear()
 
+    def option_image_nocomposite(self):
+        # It is generally faster to composite each image directly to
+        # the Figure, and there's no file size benefit to compositing
+        # with the Agg backend
+        return True
 
 
 def new_figure_manager(num, *args, **kwargs):
diff --git a/src/_image.cpp b/src/_image.cpp
@@ -742,7 +742,7 @@ _image_module::from_images(const Py::Tuple& args) {
   //clear the background of the rendering buffer with alpha 1 and the
   //gtkagg screen noise problem in figimage_demo.py goes away -- see
   //comment backend_gtkagg.py _render_figure method JDH
-  //rb.clear(agg::rgba(1, 1, 1, 1));
+  rb.clear(agg::rgba(1, 1, 1, 1));
 
   for (size_t imnum=0; imnum< N; imnum++) {
     tup = Py::Tuple(tups[imnum]);

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+2008-07-10 Bugfix: [ 2014183 ] multiple imshow() causes gray edges - MGD`
	`2`	`+`
`1`	`3`	`2008-07-09 Fix rectangular axes patch on polar plots bug - MGD`
`2`	`4`
`3`	`5`	`2008-07-09 Improve mathtext radical rendering - MGD`