1fe4406f37
b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk' 7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5 git-subtree-dir: tmk_core git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
58 lines
1.1 KiB
C++
58 lines
1.1 KiB
C++
/* 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;
|
|
}
|