25 lines
600 B
C++
25 lines
600 B
C++
|
#include "varicode.h"
|
||
|
|
|
||
|
|
QString alphabet = {"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ+-./?"};
|
||
|
|
|
||
|
|
qint16 Varicode::unpack16bits(QString const& triple){
|
||
|
|
int a = alphabet.indexOf(triple.at(0));
|
||
|
|
int b = alphabet.indexOf(triple.at(1));
|
||
|
|
int c = alphabet.indexOf(triple.at(2));
|
||
|
|
return (41*41) * a + 41*b + c;
|
||
|
|
}
|
||
|
|
|
||
|
|
QString Varicode::pack16bits(qint16 packed){
|
||
|
|
QString out;
|
||
|
|
qint16 tmp = packed / (41*41);
|
||
|
|
out.append(alphabet.at(tmp));
|
||
|
|
|
||
|
|
tmp = (packed - (tmp * (41*41))) / 41;
|
||
|
|
out.append(alphabet.at(tmp));
|
||
|
|
|
||
|
|
tmp = packed % 41;
|
||
|
|
out.append(alphabet.at(tmp));
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|