CPoint CTrkObjList::GetAlignVal(int AlignMode,CTrkObj* pObj) const
{
CPoint Val;
CRect Rect;
pObj->GetRect(Rect);
switch (AlignMode)
{
case ALIGN_LEFT:
{
Val.x = Rect.left;
Val.y = 0;
break;
}
case ALIGN_TOP:
{
Val.x = 0;
Val.y = Rect.top;
break;
}
case ALIGN_RIGHT:
{
Val.x = Rect.right;
Val.y = 0;
break;
}
case ALIGN_BOTTOM:
{
Val.x = 0;
Val.y = Rect.bottom;
break;
}
case ALIGN_HCENTER:
{
Val.x = GetMiddle(Rect.left,Rect.right);
Val.y = 0;
break;
}
case ALIGN_VCENTER:
{
Val.x = 0;
Val.y = GetMiddle(Rect.top,Rect.bottom);
break;
}
default:
{
Val.x = 0;
Val.y = 0;
break;
}
}
return(Val);
}
LineSegment LineSegment::PerpendicularLineSegment(double scale)
{
double angle = GetRadianFromX();
angle += M_PI / 2;
Point2d mid = GetMiddle();
double len = GetLength() / 2;
len *= scale;
double x1 = mid.x + cos(angle) * len;
double y1 = mid.y + sin(angle) * len;
double x2 = mid.x - cos(angle) * len;
double y2 = mid.y - sin(angle) * len;
return LineSegment(Point2d(x1, y1), Point2d(x2, y2));
}
void InflRect(LPCRECT pSrcRect,int Off,LPRECT pDstRect)
{
pDstRect->left = pSrcRect->left - Off;
pDstRect->top = pSrcRect->top - Off;
pDstRect->right = pSrcRect->right + Off;
pDstRect->bottom = pSrcRect->bottom + Off;
if (Off < 0)
{
int XMiddle = GetMiddle(pSrcRect->right,pSrcRect->left);
int YMiddle = GetMiddle(pSrcRect->bottom,pSrcRect->top);
if (pDstRect->left > XMiddle) pDstRect->left = XMiddle;
if (pDstRect->top > YMiddle) pDstRect->top = YMiddle;
if (pDstRect->right < XMiddle) pDstRect->right = XMiddle;
if (pDstRect->bottom < YMiddle) pDstRect->bottom = YMiddle;
}
}
CPoint CTrkObjList::GetCenterVal(int CenterMode,LPCRECT pRect) const
{
CPoint Val;
switch (CenterMode)
{
case CENTER_WIDTH:
{
Val.x = GetMiddle(pRect->left,pRect->right);
Val.y = 0;
break;
}
case CENTER_HEIGHT:
{
Val.x = 0;
Val.y = GetMiddle(pRect->top,pRect->bottom);
break;
}
case CENTER_BOTH:
{
Val.x = GetMiddle(pRect->left,pRect->right);
Val.y = GetMiddle(pRect->top,pRect->bottom);
break;
}
default:
{
Val.x = 0;
Val.y = 0;
break;
}
}
return(Val);
}
void CFracControlModel::updatePolygons()
{
params.polygon.front().Set( rect.Left(), rect.Top() + GetMiddle(), rect.Right(), rect.Top() + GetMiddle() );
}
/*
1.21 distance calculates the distance of the center-points of the bounding-
boxes of this face to the given face.
*/
double Face::distance(Face r) {
return r.GetMiddle().distance(GetMiddle());
}