// rect must be in logical coordinates
BOOL CDrawPoly::Intersects(const CRect& rect)
{
ASSERT_VALID(this);
CRgn rgn;
rgn.CreatePolygonRgn(m_points, m_nPoints, ALTERNATE);
return rgn.RectInRegion(rect);
}
bool CLine::RInR(LPCRECT lpRect)
{
if(m_lStatus!=ST_NOMAL) return false;
POINT ptTmp[4];
if((m_lx1-m_lx2)*(m_ly1-m_ly2)>=0) {
ptTmp[0].x=m_lx1-1;
ptTmp[0].y=m_ly1+1;
ptTmp[1].x=m_lx1+1;
ptTmp[1].y=m_ly1-1;
ptTmp[2].x=m_lx2+1;
ptTmp[2].y=m_ly2-1;
ptTmp[3].x=m_lx2-1;
ptTmp[3].y=m_ly2+1;
} else {
ptTmp[0].x=m_lx1+1;
ptTmp[0].y=m_ly1+1;
ptTmp[1].x=m_lx1-1;
ptTmp[1].y=m_ly1-1;
ptTmp[2].x=m_lx2-1;
ptTmp[2].y=m_ly2-1;
ptTmp[3].x=m_lx2+1;
ptTmp[3].y=m_ly2+1;
}
CRgn rgnTmp;
if(rgnTmp.CreatePolygonRgn(ptTmp,4,ALTERNATE)) {
if(rgnTmp.RectInRegion(lpRect)) return true;
}
return false;
}
bool CMeta::RInR(LPCRECT lpRect)
{
if(m_lStatus!=ST_NOMAL) return false;
CRgn rgnTmp;
if(!rgnTmp.CreateRectRgn(m_lx1,m_ly1,m_lx2,m_ly2)) return false;
if(rgnTmp.RectInRegion(lpRect))
return true;
else
return false;
}
bool CText::RInR(LPCRECT lpRect)
{
if(m_lStatus!=ST_NOMAL) return false;
CRgn rgnTmp;
if(!rgnTmp.CreateRectRgn(m_lx1-DELTA,m_ly1-DELTA,m_lx2+DELTA,m_ly2+DELTA))
return false;
if(rgnTmp.RectInRegion(lpRect))
return true;
else
return false;
}
bool CCell::RInR(LPCRECT lpRect)
{
if(m_lStatus!=ST_NOMAL) return false;
CRgn rgnTmp;
if(!rgnTmp.CreateRectRgn(Left()-DELTA,Top()-DELTA,Right()+DELTA,Bottom()+DELTA))
return false;
if(rgnTmp.RectInRegion(lpRect))
return true;
else
return false;
}
// rect must be in logical coordinates
BOOL CDrawRect::Intersects(const CRect& rect)
{
ASSERT_VALID(this);
CRect rectT = rect;
rectT.NormalizeRect();
CRect fixed = m_position;
fixed.NormalizeRect();
if ((rectT & fixed).IsRectEmpty())
return FALSE;
CRgn rgn;
switch (m_nShape)
{
case rectangle:
case text:
return TRUE;
case roundRectangle:
rgn.CreateRoundRectRgn(fixed.left, fixed.top, fixed.right, fixed.bottom,
m_roundness.x, m_roundness.y);
break;
case ellipse:
rgn.CreateEllipticRgnIndirect(fixed);
break;
case line:
{
int x = (m_logpen.lopnWidth.x + 5) / 2;
int y = (m_logpen.lopnWidth.y + 5) / 2;
POINT points[4];
points[0].x = fixed.left;
points[0].y = fixed.top;
points[1].x = fixed.left;
points[1].y = fixed.top;
points[2].x = fixed.right;
points[2].y = fixed.bottom;
points[3].x = fixed.right;
points[3].y = fixed.bottom;
if (fixed.left < fixed.right)
{
points[0].x -= x;
points[1].x += x;
points[2].x += x;
points[3].x -= x;
}
else
{
points[0].x += x;
points[1].x -= x;
points[2].x -= x;
points[3].x += x;
}
if (fixed.top < fixed.bottom)
{
points[0].y -= y;
points[1].y += y;
points[2].y += y;
points[3].y -= y;
}
else
{
points[0].y += y;
points[1].y -= y;
points[2].y -= y;
points[3].y += y;
}
rgn.CreatePolygonRgn(points, 4, ALTERNATE);
}
break;
}
return rgn.RectInRegion(fixed);
}