AppColorPicker.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_COLORPICKER_H
00018 #define APP_COLORPICKER_H
00019 
00020 #include "App.h"
00021 #include "DMBoard.h"
00022 #include "lpc_swim.h"
00023 #include "ImageButton.h"
00024 #include "Resource.h"
00025 
00026 /**
00027  * An App example letting the user pick a color from a colored area.
00028  * The hex value in RGB565 format is shown as well as a larger sample
00029  * of the selected color.
00030  *
00031  * The purpose of this example is to show let the user test the touch
00032  * panel and it can be helpful when selecting colors for e.g. backgrounds.
00033  */
00034 class AppColorPicker : public App {
00035 public:
00036 
00037     AppColorPicker();
00038     virtual ~AppColorPicker();
00039 
00040     virtual bool setup();
00041     virtual void runToCompletion();
00042     virtual bool teardown();
00043 
00044     enum Resources {
00045         Resource_Ok_button,
00046     };
00047 
00048     /** Specifies the resource to use
00049      *
00050      *  Adds a resource for a specific id. This allows the
00051      *  user program to select e.g. which image to use and
00052      *  if it should be loaded from a file or an array.
00053      *
00054      *  @param id  the identifier
00055      *  @param res the resource
00056      */
00057     void addResource(Resources id, Resource* res);
00058 
00059 private:
00060     Display* _disp;
00061     SWIM_WINDOW_T* _win;
00062     SWIM_WINDOW_T* _colorwin;
00063     COLOR_T* _fb;
00064     COLOR_T* _fb2;
00065     ImageButton* _btn;
00066     Resource* _resOk;
00067     int _resultX;
00068     int _resultY;
00069     int _resultW;
00070     int _resultH;
00071 
00072     void draw();
00073 };
00074 
00075 #endif