bool PointImp::hit(LocationType point) const
{
PlotViewImp* pPlot = getPlot();
if (pPlot == NULL)
{
return false;
}
double dScreenX = 0.0;
double dScreenY = 0.0;
pPlot->translateWorldToScreen(point.mX, point.mY, dScreenX, dScreenY);
double dCurrentScreenX = 0.0;
double dCurrentScreenY = 0.0;
pPlot->translateDataToScreen(mLocation.mX, mLocation.mY, dCurrentScreenX, dCurrentScreenY);
double dXDist = fabs(dCurrentScreenX - dScreenX);
double dYDist = fabs(dCurrentScreenY - dScreenY);
double dDist = mSymbolSize;
if (isSelected() == true)
{
dDist *= 2.0;
}
if ((dXDist < dDist) && (dYDist < dDist))
{
return true;
}
return false;
}
bool CurveImp::hit(LocationType point) const
{
PlotViewImp* pPlot = getPlot();
if (pPlot == NULL)
{
return false;
}
unsigned int numPoints = mPoints.size();
for (unsigned int i = 0; i < numPoints; i++)
{
double dScreenX = 0;
double dScreenY = 0;
pPlot->translateWorldToScreen(point.mX, point.mY, dScreenX, dScreenY);
LocationType currentPoint = mPoints.at(i);
double dCurrentScreenX = 0;
double dCurrentScreenY = 0;
pPlot->translateDataToScreen(currentPoint.mX, currentPoint.mY,
dCurrentScreenX, dCurrentScreenY);
double dXDist = fabs(dCurrentScreenX - dScreenX);
double dYDist = fabs(dCurrentScreenY - dScreenY);
if ((dXDist < 3.0) && (dYDist < 3.0))
{
return true;
}
}
return false;
}
bool PointSetImp::hit(LocationType point) const
{
if (mLine == true)
{
if (mPoints.size() > 0)
{
PlotViewImp* pPlot = getPlot();
if (pPlot != NULL)
{
double dPointX = 0.0;
double dPointY = 0.0;
pPlot->translateWorldToScreen(point.mX, point.mY, dPointX, dPointY);
point.mX = dPointX;
point.mY = dPointY;
LocationType oldLocation;
LocationType currentLocation;
Point* pPoint = NULL;
pPoint = mPoints.front();
if (pPoint != NULL)
{
const LocationType& location = pPoint->getLocation();
double dLocationX = 0.0;
double dLocationY = 0.0;
pPlot->translateDataToScreen(location.mX, location.mY, dLocationX, dLocationY);
oldLocation.mX = dLocationX;
oldLocation.mY = dLocationY;
}
for (unsigned int i = 1; i < mPoints.size(); i++)
{
pPoint = mPoints.at(i);
if (pPoint != NULL)
{
const LocationType& location = pPoint->getLocation();
double dLocationX = 0.0;
double dLocationY = 0.0;
pPlot->translateDataToScreen(location.mX, location.mY, dLocationX, dLocationY);
currentLocation.mX = dLocationX;
currentLocation.mY = dLocationY;
bool bHit = false;
bHit = DrawUtil::lineHit(oldLocation, currentLocation, point, 3.0);
if (bHit == true)
{
return true;
}
oldLocation = currentLocation;
}
}
}
}
}
Point* pPoint = hitPoint(point);
return (pPoint != NULL);
}