Display text on LCD displays (even on multiple ones). Allow to create windows (frames) on display, and to combine them (split, add, duplicate, scroll). See http://mbed.org/users/hlipka/notebook/lcdwindow/ for more information.
subwindow.cpp
- Committer:
- hlipka
- Date:
- 2010-11-15
- Revision:
- 0:ae5037e3d6e0
- Child:
- 1:65f72ed914fa
File content as of revision 0:ae5037e3d6e0:
/* * mbed LCDWindow library * Copyright (c) 2010 Hendrik Lipka * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "subwindow.h" #include "string.h" SubWindow::SubWindow(Window* lcd, unsigned int offsetX, unsigned int offsetY, unsigned int width, unsigned int height) { _lcd=lcd; _offsetX=offsetX; _offsetY=offsetY; _width=width; _height=height; } void SubWindow::writeText(unsigned int line, unsigned int pos, char* text) { if (line>_height) return; char* text2=new char[_width-pos+1]; int i=0; while (i<_width-pos+1) { text2[i]=text[i]; if (text[i]=='\0') break; i++; } text2[_width-pos]='\0'; _lcd->writeText(line+_offsetY, pos+_offsetX, text2); delete [] text2; } void SubWindow::clear() { char* spaces=new char[_width+1]; memset(spaces,32,_width); spaces[_width]=0; for (int i=0;i<_height;i++) { _lcd->writeText(i+_offsetY,_offsetX,spaces); } }