diff options
Diffstat (limited to 'lib/wx/examples/demo/ex_canvas_paint.erl')
| -rw-r--r-- | lib/wx/examples/demo/ex_canvas_paint.erl | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/lib/wx/examples/demo/ex_canvas_paint.erl b/lib/wx/examples/demo/ex_canvas_paint.erl index 9bc083766a..6873724655 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 @@ -207,6 +207,10 @@ handle_info(Msg, State) -> demo:format(State#state.config, "Got Info ~p\n", [Msg]), {noreply, State}. +handle_call(shutdown, _From, State=#state{parent=Panel}) -> + wxPanel:destroy(Panel), + {stop, normal, ok, State}; + handle_call(Msg, _From, State) -> demo:format(State#state.config, "Got Call ~p\n", [Msg]), {reply,{error, nyi}, State}. @@ -218,7 +222,7 @@ handle_cast(Msg, State) -> code_change(_, _, State) -> {stop, ignore, State}. -terminate(_Reason, _State) -> +terminate(_Reason, _) -> ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -239,14 +243,17 @@ draw(Canvas, Bitmap, Fun) -> wxMemoryDC:destroy(MemoryDC). redraw(DC, Bitmap) -> - MemoryDC = wxMemoryDC:new(Bitmap), + try + MemoryDC = wxMemoryDC:new(Bitmap), - wxDC:blit(DC, {0,0}, - {wxBitmap:getWidth(Bitmap), wxBitmap:getHeight(Bitmap)}, - MemoryDC, {0,0}), - - 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}. |