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/* mbed TextDisplay Display Library Base Class
* Copyright (c) 2007-2009 sford
* Released under the MIT License: http://mbed.org/license/mit
*/
#include "TextDisplay.h"
TextDisplay::TextDisplay(const char *name) : Stream(name) {
_row = 0;
_column = 0;
}
int TextDisplay::_putc(int value) {
if(value == '\n') {
_column = 0;
_row++;
if(_row >= rows()) {
_row = 0;
}
} else {
character(_column, _row, value);
_column++;
if(_column >= columns()) {
_column = 0;
_row++;
if(_row >= rows()) {
_row = 0;
}
}
}
return value;
}
// crude cls implementation, should generally be overwritten in derived class
void TextDisplay::cls() {
locate(0, 0);
for(int i=0; i<columns()*rows(); i++) {
putc(' ');
}
}
void TextDisplay::locate(int column, int row) {
_column = column;
_row = row;
}
int TextDisplay::_getc() {
return -1;
}
void TextDisplay::foreground(int colour) {
_foreground = colour;
}
void TextDisplay::background(int colour) {
_background = colour;
}
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