CPoint DiaEllipse::getCrossPoint(const CPoint& from, const CPoint& to) const
{
CPoint center = getCentralPoint();
double distance = sqrt(pow(static_cast<double>(to.x) - from.x, 2) + pow(static_cast<double>(to.y) - from.y, 2));
double distance_y = to.y - from.y;
double distance_x = to.x - from.x;
double sin_gamma = distance_y / distance;
double cos_gamma = distance_x / distance;
double a = (m_x2 - m_x1) / 2;
double b = (m_y2 - m_y1) / 2;
double radius = a*b / (sqrt( pow(b,2)*pow(cos_gamma,2) + pow(a,2)*pow(sin_gamma,2) ));
double a1 = radius * cos_gamma;
double b1 = radius * sin_gamma;
double result_x = from.x + a1;
double result_y = from.y + b1;
if (to == center)
{
result_x = to.x - a1;
result_y = to.y - b1;
}
return CPoint(static_cast<int>(result_x), static_cast<int>(result_y));
}
void DiaEntity::setCentralPoint(CPoint point)
{
CPoint oldPoint = getCentralPoint();
std::pair<LONG,LONG> vec;
vec.first = point.x - oldPoint.x;
vec.second = point.y - oldPoint.y;
applyVec(vec);
}
QPoint MyMoveServer::normalizeGesture(QList<QPoint>& gesture)
{
// Normalize the gesture
int gw = 0;
int gh = 0;
QPoint cp = getCentralPoint(gesture, gw, gh);
int tmp = 0;
//qDebug("gw: %d, gh: %d", gw, gh);
for (int i=0; i < gesture.length(); i++)
{
gesture[i].rx() -= cp.x();
gesture[i].ry() -= cp.y();
gesture[i].rx() = (int)(gesture[i].x()*(1000.0/gw));
gesture[i].ry() = (int)(gesture[i].y()*(500.0/gh));
//qDebug("%d %d", gesture[i].x(), gesture[i].y());
}
return cp;
}
BOOL DiaGridView::GetStyleRowCol( ROWCOL nRow, ROWCOL nCol, CGXStyle& style, GXModifyType mt, int nType )
{
auto cell = GetRowData(nRow);
if( !cell )
return FALSE;
CPoint point = cell->getCentralPoint();
switch(nCol)
{
case 1:
style.SetValue(getStringFigureTypeName( cell->type() ));
return TRUE;
case 2:
style.SetValue(point.x);
return TRUE;
case 3:
style.SetValue(point.y);
return TRUE;
case 4:
style
.SetControl(GX_IDS_CTRL_COMBOBOX)
.SetChoiceList("solid\ndash\ndashdot\ndashdotdot")
.SetValue(getStringContourTypeName( cell->getContourStyle() ));
return TRUE;
case 5:
style
.SetControl(GX_IDS_CTRL_HOTSPOT)
.SetInterior(cell->getContourColor());
return TRUE;
}
return FALSE;
}
