int getlock(void) {
float time;
char ns, ew;
int sample;
float minutes;
float degrees;
if(sscanf(gpsbuffer, "GPGGA,%f,%f,%c,%f,%c,%d", &time, &latitude, &ns, &longitude, &ew, &lock) >= 1) {
if(!lock) {
longitude = 0.0;
latitude = 0.0;
return 0;
} else {
if(ns == 'S') { latitude *= -1.0; }
if(ew == 'W') { longitude *= -1.0;
degrees = latitude /100.0f;
degrees = trunca(degrees);
// float degrees = trunca(latitude / 100.0f);
minutes = latitude - (degrees * 100.0f);
latitude = degrees + minutes / 60.0f;
//degrees = trunc(longitude / 100.0f * 0.01f);
degrees = trunca(longitude/ 100.0f);
minutes = longitude - (degrees * 100.0f);
longitude = degrees + minutes / 60.0f;
return 1;
}
}
}
}
void QGraph::pintafunc(QPaintDevice *qpd){
QPoint ultim(0,0), act(0,0);
QPen pfunc;
QPen ccursor;
buffer = QPixmap(this->width(), this->height());
buffer.fill(Qt::white);
pfunc.setColor(QColor(0,150,0));
pfunc.setCapStyle(Qt::RoundCap);
pfunc.setWidth(2);
if(qpd)
finestra.begin(qpd);
else
finestra.begin(&buffer, this);
bool nan=false, outside=false;
dibuixa_eixos(&finestra);
finestra.setPen(pfunc);
if(funclist.count()>0){
for (QValueList<function>::iterator it = funclist.begin(); it != funclist.end(); ++it ){
if((*it).isShown()){
pfunc.setColor((*it).color());
pfunc.setWidth((*it).selected()+1);
finestra.setPen(pfunc);
int i = (*it).npoints();
register int j;
for(/*register int*/ j=0; j<i;j++){
if(!nan){
act=toWidget((*it).points[j].x(), (*it).points[j].y(), &nan);
// qDebug("%4d -- %4d", act.y(), act.x());//y->2
if(act.x()!=ultim.x() && act.x() > 0 && (act.y() > 0 || (act.y()==0 && !outside)) && act.x() < this->width() && act.y() <= this->height()){
finestra.drawLine(ultim, act);
outside=false;
} else if(act.x() > 0 && act.x() < this->width() && ((act.y() < 0 && ultim.y()>0) || (act.y() > this->height() && ultim.y() < this->height()))){
bool out;
QPoint act2 = act;
trunca(&ultim, &act2, &out);
if(!outside)
finestra.drawLine(ultim, act2);
outside = out;
}
}else
act=toWidget((*it).points[j].x(), (*it).points[j].y(), &nan);
if(act.x() != ultim.x())
ultim=act;
}
}
}
}
valid=true;
finestra.end();
}
int main(void)
{
// declaración variables
struct libro miLibro;
FILE *f;
int i;
// abrir el fichero: lectura y escritura en binario
f= abrir_fichero();
// inserto tres libros
//for (i=0; i<3; i++)
// inserta_libro(f);
// leer todos los datos del fichero
leer_fichero(f);
modificar(1,f);
trunca(1, f);
leer_fichero(f);
// cerrar fichero
fclose(f);
system("pause"); // Detiene la consola
}
