Basic swim GUI for LPC4088
Fork of DMBasicGUI by
Application/Resource.h
- Committer:
- redbird
- Date:
- 2016-03-14
- Revision:
- 38:1b7c79a10e14
- Parent:
- 18:d41537a70189
File content as of revision 38:1b7c79a10e14:
/* * Copyright 2014 Embedded Artists AB * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef RESOURCE_H #define RESOURCE_H #include "mbed.h" #include "Image.h" /** * A resource container to pass around instead of using hardcoded data. * * Having a Resource class makes it possible to hide the source from the * user so that e.g. AppColorPicker doesn't need to know if the OK button * is loaded from an array or from a file system. The AppColorPicker only * need the resource. The Image class takes care of the loading. * * @code * #include "mbed.h" * #include "Resource.h" * #include "Image.h" * * const unsigned char ok_image1[] = { 137,80,78,71, ... }; * int ok_image1_sz = sizeof(ok_image1); * * int main(void) { * // initialize the display * ... * * // create the resources * Resource resOk(ok_image1, ok_image1_sz, 40, 40); * Resource resCancel("/qspi/cancel.png", 40, 40); * * // add resource to application * AppNetwork app ...; * app.setResource(AppNetwork::Resource_Ok_Button, &resOk); * app.setResource(AppNetwork::Resource_Cancel_Button, &resCancel); * * // run application * app.setup(); * app.runToCompletion(); * * ... * } * @endcode */ class Resource { public: /** Create a new file resource. * * The width and height are only guidelines and are often not used. * The purpose is to allow e.g. the AppColorPicker to know the size * of the image before it is loaded from the file system. It can also * be used as a guide by the AppLauncher. * * @param filename the resource location * @param width the width of the image * @param height the height of the image */ Resource(const char* filename, int width, int height); /** Create a new resource from a data array. * * The width and height are only guidelines and are often not used. * The purpose is to allow e.g. the AppColorPicker to know the size * of the image before it is loaded from the file system. It can also * be used as a guide by the AppLauncher. * * @param data the resource * @param dataSize number of bytes in data * @param width the width of the image * @param height the height of the image */ Resource(const unsigned char* data, const unsigned int dataSize, int width, int height); ~Resource(); /** Returns the width of the resource. * * The width and height are only guidelines and are often not used. * The purpose is to allow e.g. the AppColorPicker to know the size * of the image before it is loaded from the file system. It can also * be used as a guide by the AppLauncher. * * @return the width */ int width() { return _width; } /** Returns the height of the resource. * * The width and height are only guidelines and are often not used. * The purpose is to allow e.g. the AppColorPicker to know the size * of the image before it is loaded from the file system. It can also * be used as a guide by the AppLauncher. * * @return the height */ int height() { return _height; } private: friend class Image; int _width; int _height; bool _isFile; char* _filename; const unsigned char* _data; unsigned int _dataSize; Image::ImageData_t _img; }; #endif