BOOL CRectItem::UpdateExtent()
{
// get size in pixels
CSize size;
if (!GetCachedExtent(&size))
return FALSE; // blank
Invalidate(); // invalidate the old size/position
CSize sizeBase = GetBaseSize();
if (size == sizeBase) // no change
return FALSE;
// if new object (i.e. m_extent is empty) setup position
if (sizeBase == CSize(0,0))
{
// convert to document coords
CSize sizeNew(MulDiv(size.cx, 10, 254), - MulDiv(size.cy, 10, 254));
SetSize(sizeNew);
}
else
{
if (!IsInPlaceActive() && size != sizeBase)
{
// data changed and not inplace, so scale up rect as well
CSize sizeCur = GetSize();
sizeCur.cx = MulDiv(sizeCur.cx, size.cx, sizeBase.cx);
sizeCur.cy = - MulDiv(-sizeCur.cy, size.cy, sizeBase.cy);
SetSize(sizeCur);
}
}
SetBaseSize(size);
Invalidate(); // as well as the new size/position
return TRUE;
}
void CRectItem::ResetSize()
{
ASSERT_VALID(this);
Invalidate();
SetBaseSize(CSize(0, 0));
UpdateExtent();
}
CAICHHashTree::CAICHHashTree(uint64 nDataSize, bool bLeftBranch, uint64 nBaseSize){
m_nDataSize = nDataSize;
SetBaseSize(nBaseSize);
m_bIsLeftBranch = bLeftBranch;
m_pLeftTree = NULL;
m_pRightTree = NULL;
m_bHashValid = false;
}
