[Mono-bugs] [Bug 78371][Nor] Changed - StatusBar drawing/updating
is slow as hell
bugzilla-daemon at bugzilla.ximian.com
bugzilla-daemon at bugzilla.ximian.com
Fri May 12 09:23:00 EDT 2006
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Changed by xenomorph2 at onlinehome.de.
http://bugzilla.ximian.com/show_bug.cgi?id=78371
--- shadow/78371 2006-05-11 14:41:34.000000000 -0400
+++ shadow/78371.tmp.21150 2006-05-12 09:23:00.000000000 -0400
@@ -1,14 +1,14 @@
Bug#: 78371
Product: Mono: Class Libraries
Version: unspecified
-OS:
+OS: unknown
OS Details:
Status: NEW
Resolution:
-Severity:
+Severity: Unknown
Priority: Normal
Component: Windows.Forms
AssignedTo: peter at novonyx.com
ReportedBy: xenomorph2 at onlinehome.de
QAContact: mono-bugs at ximian.com
TargetMilestone: ---
@@ -29,6 +29,25 @@
------- Additional Comments From xenomorph2 at onlinehome.de 2006-05-11 14:41 -------
Created an attachment (id=16996)
Test case
+
+------- Additional Comments From xenomorph2 at onlinehome.de 2006-05-12 09:22 -------
+Did some testing. The StatusBar code is absolutely ok.
+
+It is the speed of the drawing methods in Graphics that hurts the
+StatusBar performance (aka cairo).
+
+If you comment
+
+dc.DrawString (text, panel.Parent.Font, br_forecolor, r, string_format);
+
+in ThemeWin32Classic.DrawStatusBarPanel it saves about 9 seconds for
+the test app on my system.
+
+Commenting the DrawLine code in CPDrawBorder3D saves another 7 seconds
+ and finally commenting CPDrawSizeGrip and the test app needs only 1.2
+seconds to run the loop.
+
+Oh cairo....
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