Revision: 4996
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4996&view=rev
Author: dsdale
Date: 2008-03-10 06:44:28 -0700 (Mon, 10 Mar 2008)
Log Message:
-----------
workaround a blitting bug in backend_qt4agg
Modified Paths:
--------------
trunk/matplotlib/CHANGELOG
trunk/matplotlib/examples/animation_blit_qt4.py
trunk/matplotlib/lib/matplotlib/backends/backend_qt4agg.py
Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG 2008-03-10 12:46:12 UTC (rev 4995)
+++ trunk/matplotlib/CHANGELOG 2008-03-10 13:44:28 UTC (rev 4996)
@@ -1,3 +1,7 @@
+2008-03-10 Workaround a bug in backend_qt4agg's blitting due to a
+ buffer width/bbox width mismatch in _backend_agg's
+ copy_from_bbox - DSD
+
2008-02-16 Added some new rec array functionality to mlab
(rec_summarize, rec2txt and rec_groupby). See
examples/rec_groupby_demo.py. Thanks to Tim M for rec2txt.
Modified: trunk/matplotlib/examples/animation_blit_qt4.py
===================================================================
--- trunk/matplotlib/examples/animation_blit_qt4.py 2008-03-10 12:46:12 UTC
(rev 4995)
+++ trunk/matplotlib/examples/animation_blit_qt4.py 2008-03-10 13:44:28 UTC
(rev 4996)
@@ -22,7 +22,7 @@
# destroyed first and avoids a possible exception when the user clicks
# on the window's close box.
QtCore.QObject.__init__(self, self.canvas)
-
+
self.cnt = 0
# create the initial line
@@ -34,7 +34,7 @@
def timerEvent(self, evt):
# See if the size has changed since last time round.
- current_size = self.ax.bbox.width(), self.ax.bbox.height()
+ current_size = self.ax.bbox.width, self.ax.bbox.height
if self.old_size != current_size:
self.old_size = current_size
Modified: trunk/matplotlib/lib/matplotlib/backends/backend_qt4agg.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_qt4agg.py 2008-03-10
12:46:12 UTC (rev 4995)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_qt4agg.py 2008-03-10
13:44:28 UTC (rev 4996)
@@ -112,6 +112,7 @@
l, b, r, t = bbox.extents
w = int(r) - int(l)
h = int(t) - int(b)
+ t = int(b) + h
reg = self.copy_from_bbox(bbox)
stringBuffer = reg.to_string()
qImage = QtGui.QImage(stringBuffer, w, h,
QtGui.QImage.Format_ARGB32)
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