hdMultiPosRect &hdPolyLineFigure::getBasicDisplayBox()
{
basicDisplayBox.height = 0;
basicDisplayBox.width = 0;
int posIdx;
//optimize this if needed in a future, because right now calculate displaybox for all posIdx
hdIteratorBase *iterator;
for(posIdx = 0; posIdx < basicDisplayBox.CountPositions(); posIdx++)
{
if(points[posIdx]->count() >= 1)
{
basicDisplayBox.SetPosition(posIdx, pointAt(posIdx, 0));
}
else
{
basicDisplayBox.SetPosition(posIdx, wxPoint(0, 0));
}
iterator = points[posIdx]->createIterator();
while(iterator->HasNext())
{
hdPoint *p = (hdPoint *) iterator->Next();
hdRect r = hdRect(p->x, p->y, 0, 0);
basicDisplayBox.add(posIdx, r);
}
delete iterator;
}
return basicDisplayBox;
}
bool hdGeometry::lineContainsPoint(double x1, double y1, double x2, double y2, double px, double py)
{
hdPoint p = hdPoint(x1, y1);
hdRect r = hdRect(p);
r.add(x2, y2);
r.Inflate(2, 2);
if(!r.Contains(px, py))
{
return false;
}
double a, b, x, y;
double val1, val2;
val1 = px - x1;
if( x1 == x2 )
{
return (ddabs(val1) < 3);
}
val2 = py - y1;
if( y1 == y2 )
{
return (ddabs(val2) < 3);
}
a = (y1 - y2) / (x1 - x2);
b = y1 - a * x1;
x = (py - b) / a;
y = a * px + b;
val1 = x - px;
val2 = y - py;
bool out = (min( ddabs(val1), ddabs(val2)) < 4);
return out;
}
hdRect &hdLocatorConnector::getDisplayBox(int posIdx)
{
hdPoint p = figureLocator->locate(posIdx, getOwner());
displayBox = hdRect(p.x - (size / 2), p.y - (size / 2), size, size);
return displayBox;
}
