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diff --git a/lib/wx/examples/demo/ex_graphicsContext.erl b/lib/wx/examples/demo/ex_graphicsContext.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2009. 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+
+-module(ex_graphicsContext).
+
+-behaviour(wx_object).
+
+%% Client API
+-export([start/1]).
+
+%% wx_object callbacks
+-export([init/1, terminate/2, code_change/3,
+ handle_info/2, handle_call/3,
+ handle_event/2, handle_sync_event/3]).
+
+-include_lib("wx/include/wx.hrl").
+
+-record(state,
+ {
+ parent,
+ config,
+ win,
+ pen,
+ brush,
+ font
+ }).
+
+start(Config) ->
+ wx_object:start_link(?MODULE, Config, []).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+init(Config) ->
+ wx:batch(fun() -> do_init(Config) end).
+
+do_init(Config) ->
+ Parent = proplists:get_value(parent, Config),
+ Panel = wxPanel:new(Parent, []),
+
+ %% Setup sizers
+ MainSizer = wxBoxSizer:new(?wxVERTICAL),
+ Sizer = wxStaticBoxSizer:new(?wxVERTICAL, Panel,
+ [{label, "wxGrapicsContext"}]),
+
+ Win = wxPanel:new(Panel, []),
+ Pen = wxPen:new(),
+ Brush = wxBrush:new(?wxBLACK),
+ Font = wxFont:new(),
+ wxFont:setWeight(Font, ?wxBOLD),
+
+ wxPanel:connect(Win, paint, [callback]),
+
+ %% Add to sizers
+ wxSizer:add(Sizer, Win, [{flag, ?wxEXPAND},
+ {proportion, 1}]),
+ wxSizer:add(MainSizer, Sizer, [{flag, ?wxEXPAND},
+ {proportion, 1}]),
+
+ wxPanel:setSizer(Panel, MainSizer),
+ {Panel, #state{parent=Panel, config=Config, win = Win,
+ pen = Pen, brush = Brush, font = Font}}.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Sync events i.e. from callbacks must return ok, it can not return a new state.
+%% Do the redrawing here.
+handle_sync_event(#wx{event = #wxPaint{}},_,
+ #state{win=Win, pen = Pen, brush = Brush, font = Font}) ->
+ %% PaintDC must be created in a callback to work on windows.
+ DC = wxPaintDC:new(Win),
+ %% Nothing is drawn until wxPaintDC is destroyed.
+ draw(DC, Pen, Brush, Font),
+ wxPaintDC:destroy(DC),
+ ok.
+%% Async Events are handled in handle_event as in handle_info
+handle_event(#wx{}, State) ->
+ {noreply, State}.
+
+%% Callbacks handled as normal gen_server callbacks
+handle_info(Msg, State) ->
+ demo:format(State#state.config, "Got Info ~p\n", [Msg]),
+ {noreply, State}.
+
+handle_call(Msg, _From, State) ->
+ demo:format(State#state.config, "Got Call ~p\n", [Msg]),
+ {reply,{error, nyi}, State}.
+
+code_change(_, _, State) ->
+ {stop, ignore, State}.
+
+terminate(_Reason, _State) ->
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Local functions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+draw(Win, Pen0, _Brush0, Font0) ->
+ try
+ Canvas = wxGraphicsContext:create(Win),
+ Pen = wxGraphicsContext:createPen(Canvas, Pen0),
+ wxGraphicsContext:setPen(Canvas, Pen),
+ Brush = wxGraphicsContext:createLinearGradientBrush(Canvas, 0.0,0.0, 30.0,30.0,
+ {200,50,50,50},
+ {200,50,50,200}),
+ wxGraphicsContext:setBrush(Canvas, Brush),
+ Font = wxGraphicsContext:createFont(Canvas, Font0),
+ wxGraphicsContext:setFont(Canvas, Font),
+
+ wxGraphicsContext:drawRoundedRectangle(Canvas, 35.0,35.0, 100.0, 50.0, 10.0),
+ wxGraphicsContext:drawText(Canvas, "Welcome", 60.0, 55.0),
+ Path = wxGraphicsContext:createPath(Canvas),
+ wxGraphicsPath:addCircle(Path, 0.0, 0.0, 40.0),
+ wxGraphicsPath:closeSubpath(Path),
+ wxGraphicsContext:translate(Canvas, 100.0, 100.0),
+
+ Brush2 = wxGraphicsContext:createLinearGradientBrush(Canvas, 0.0,0.0, 30.0,30.0,
+ {50,200,50,50},
+ {50,50,200,50}),
+ wxGraphicsContext:setBrush(Canvas, Brush2),
+
+ F = fun(_) ->
+ wxGraphicsContext:scale(Canvas, 1.1, 1.1),
+ wxGraphicsContext:translate(Canvas, 3.0,3.0),
+ wxGraphicsContext:drawPath(Canvas, Path)
+ end,
+ wx:foreach(F, lists:seq(1,5)),
+ ok
+ catch _:{not_supported, _} ->
+ Err = "wxGraphicsContext not available in this build of wxwidgets",
+ io:format(Err,[])
+ end.
+