AppDraw.h

00001 /*
00002  *  Copyright 2014 Embedded Artists AB
00003  *
00004  *  Licensed under the Apache License, Version 2.0 (the "License");
00005  *  you may not use this file except in compliance with the License.
00006  *  You may obtain a copy of the License at
00007  *
00008  *    http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  *  Unless required by applicable law or agreed to in writing, software
00011  *  distributed under the License is distributed on an "AS IS" BASIS,
00012  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  *  See the License for the specific language governing permissions and
00014  *  limitations under the License.
00015  */
00016 
00017 #ifndef APP_DRAW_H
00018 #define APP_DRAW_H
00019 
00020 #include "App.h"
00021 #include "DMBoard.h"
00022 #include "lpc_swim.h"
00023 #include "ImageButton.h"
00024 
00025 /**
00026  * An App example. Lets the user draw on the screen. Each finger is 
00027  * assigned it's own color.
00028  *
00029  * The purpose of this example is to show the use of a multitouch
00030  * display.
00031  */
00032 class AppDraw : public App {
00033 public:
00034 
00035     AppDraw();
00036     virtual ~AppDraw();
00037 
00038     virtual bool setup();
00039     virtual void runToCompletion();
00040     virtual bool teardown();
00041 
00042 private:
00043     enum Constants {
00044         MaxSupportedFingers = 5,
00045     };
00046     Display* _disp;
00047     SWIM_WINDOW_T* _win;
00048     void* _fb;
00049     ImageButton* _btn;
00050     touch_coordinate_t _coords[MaxSupportedFingers];
00051 
00052     void draw();
00053 };
00054 
00055 #endif