AuroraMiddleware/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix background drawing in EVT_ERASE_BACKGROUND handler in erase sample.

Browse Source 
Clear the DC before moving its offset to ensure that it's cleared entirely and
also draw the background using the virtual, not client, size.

See #14917.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73428 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2013-01-21 16:37:09 +00:00
parent 22a3b6e4b2
commit 99f22294f5
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
samples/erase/erase.cpp
View File

@ -419,12 +419,12 @@ void MyCanvas::OnEraseBackground( wxEraseEvent& event )
wxDC& dc = *event.GetDC();
dc.SetPen(*wxGREEN_PEN);
PrepareDC( dc );
// clear any junk currently displayed
dc.Clear();
const wxSize size = GetClientSize();
PrepareDC( dc );
const wxSize size = GetVirtualSize();
for ( int x = 0; x < size.x; x += 15 )
{
dc.DrawLine(x, 0, x, size.y);