diff options
Diffstat (limited to 'lib/wx/examples/demo/ex_canvas_paint.erl')
| -rw-r--r-- | lib/wx/examples/demo/ex_canvas_paint.erl | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/lib/wx/examples/demo/ex_canvas_paint.erl b/lib/wx/examples/demo/ex_canvas_paint.erl index 9bc083766a..17c7ad9cac 100644 --- a/lib/wx/examples/demo/ex_canvas_paint.erl +++ b/lib/wx/examples/demo/ex_canvas_paint.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2009-2011. All Rights Reserved. +%% Copyright Ericsson AB 2009-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -239,14 +239,17 @@ draw(Canvas, Bitmap, Fun) -> wxMemoryDC:destroy(MemoryDC). redraw(DC, Bitmap) -> - MemoryDC = wxMemoryDC:new(Bitmap), - - wxDC:blit(DC, {0,0}, - {wxBitmap:getWidth(Bitmap), wxBitmap:getHeight(Bitmap)}, - MemoryDC, {0,0}), + try + MemoryDC = wxMemoryDC:new(Bitmap), - wxMemoryDC:destroy(MemoryDC). + wxDC:blit(DC, {0,0}, + {wxBitmap:getWidth(Bitmap), wxBitmap:getHeight(Bitmap)}, + MemoryDC, {0,0}), + wxMemoryDC:destroy(MemoryDC) + catch error:{{badarg,_},_} -> %% Bitmap have been deleted + ok + end. -getPageInfo(_This) -> +getPageInfo(_This) -> {1,1,1,1}. |