removed screen noise comments from gtkagg and image since I no longer consider this to be a bug

jdh2358 · jdh2358 · commit 53aafbf19ee5 · 2008-07-17T21:06:17.000Z
svn path=/trunk/matplotlib/; revision=5785
diff --git a/lib/matplotlib/backends/backend_gtkagg.py b/lib/matplotlib/backends/backend_gtkagg.py
@@ -81,13 +81,6 @@ def _render_figure(self, pixmap, width, height):
         w = int(ren.width)
         h = int(ren.height)
 
-        # There apparently is a bug here on some versions of pygtk
-        # (2.6) that crops up in corner cases.  Eg, in
-        # figimage_demo.py, there is background pixel noise because
-        # the figure frame is off and the blended image background has
-        # alpha 0. and you see the uninitialzed data ("screen noise").
-        # If in _image.cpp Image:from_image you fill the background
-        # with a non transparent value, it goes away.
         pixbuf = gtk.gdk.pixbuf_new_from_data(
             buf, gtk.gdk.COLORSPACE_RGB,  True, 8, w, h, w*4)
         pixmap.draw_pixbuf(pixmap.new_gc(), pixbuf, 0, 0, 0, 0, w, h,
diff --git a/src/_image.cpp b/src/_image.cpp
@@ -743,9 +743,6 @@ _image_module::from_images(const Py::Tuple& args) {
   renderer_base rb(pixf);
 
 
-  //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));
 
   for (size_t imnum=0; imnum< N; imnum++) {
