void ProjectCombo::indexChanged( int i )
{
ProjectList ptl( mModel->recordList() );
if( i < 0 || i >= (int)ptl.size() ) return;
mCurrent = ptl[i];
emit projectChanged( mCurrent );
}
int main(int argc, char* argv[])
{
PtrList<myLib> ptl(3); // create a list with three pointers to myLib class
ptl.set(0,new myLib("shen",101)); // create a pointer to a myLib class as the first element of ptl
ptl.set(1,new myLib("shen",102));
ptl.set(2,new myLib("shen",103));
PtrList<myLib>& ptl2=ptl; // only reference available
Info << "ptl " <<endl;
forAll(ptl, i)
{
Info << ptl[i] << endl;
}
Info << "resize to 2" << endl;
ptl.setSize(2);
Info << "ptl " <<endl;
Info << ptl << endl;
Info << "ptl2" <<endl;
Info << ptl2 << endl; // output is the same
return 0;
}
void ScanWiew::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
{
QColor cred(255,0,0);
QColor cgreen(0,100,0);
QColor cgreen2(0,150,0);
QColor cblue(0,0,255);
QPen pred(cred);
QPen pgreen(cgreen);
QPen pgreen2(cgreen2);
QPen pblue(cblue);
painter->setPen(pgreen);
//QFont fcnew("Coruier new", 10, QFont::Normal);
QFontMetrics fm(painter->font());
int pixelsHeight = fm.height();
int lineCnt = laserRangeInMeter/arcDistanceInMeter;
for(int i = 1; i <= lineCnt; i++)
{
QRectF rectangle(-(i*arcDistanceInPixels), -(i*arcDistanceInPixels), i*2*arcDistanceInPixels,i*2*arcDistanceInPixels);
int spanAngle = endAngle - startAngle+5;
painter->drawArc(rectangle, ((int)startAngle+90-5)*16, (spanAngle+5)*16);
int x = -::sin((startAngle-5)*TwoPi/360)*(i*arcDistanceInPixels);
int y = -::cos((startAngle-5)*TwoPi/360)*(i*arcDistanceInPixels);
char str[100];
sprintf(str,"%d",i*(int)arcDistanceInMeter);
int pixelsWide = fm.width(str);
QPoint ptl(x-pixelsWide,y);
QPoint pbr(x,y+pixelsHeight);
QRect rt(ptl,pbr);
painter->drawText(rt, Qt::AlignCenter, (QString)(str));
x = -::sin((endAngle+5)*TwoPi/360)*(i*arcDistanceInPixels);
y = -::cos((endAngle+5)*TwoPi/360)*(i*arcDistanceInPixels);
QPoint ptl1(x,y);
QPoint pbr1(x+pixelsWide,y+pixelsHeight);
QRect rt1(ptl1,pbr1);
painter->drawText(rt1, Qt::AlignCenter, (QString)(str));
}
lineCnt = (endAngle - startAngle)/angleDelta;
double ang = startAngle;
int distance = (laserRangeInMeter/arcDistanceInMeter)*arcDistanceInPixels;
for(int i = 0; i <= lineCnt ; i++)
{
painter->setPen(pgreen);
int x = -::sin(ang*TwoPi/360)*(distance+5);
int y = -::cos(ang*TwoPi/360)*(distance+5);
painter->drawLine(0,0,x,y);
char str[100];
sprintf(str,"%d",(int)ang);
int pixelsWide = fm.width(str);
x = -::sin(ang*TwoPi/360)*(distance+20);
y = -::cos(ang*TwoPi/360)*(distance+20);
QPoint ptl(x-pixelsWide/2,y - pixelsHeight/2);
QPoint pbr(x+pixelsWide/2,y+pixelsHeight/2);
QRect rt(ptl,pbr);
painter->drawText(rt, Qt::AlignCenter, (QString)(str));
ang += angleDelta;
}
double olcek = arcDistanceInPixels/arcDistanceInMeter;
//printf("olcek: %f\n",olcek);
pgreen.setWidth(pgreen.width()+2);
painter->setPen(pgreen2);
for(int i = 0; i < pointCnt; i++)
{
painter->drawLine(0,0,-plist[i].y*olcek,-plist[i].x*olcek);
}
painter->setPen(pred);
plinel_t *root = g_line_map.first;
while(root != NULL)
{
if(root->line.length > 0.05 && root->point_cnt > 3 )//MIN_LENGTH_LINE_TO_SEND)
{
painter->drawLine(-root->line.sp.y*olcek,-root->line.sp.x*olcek,-root->line.ep.y*olcek,-root->line.ep.x*olcek);
}
root = root->next;
}
}
