bool IGFrame::Update()
{
if (!UpdateSize (head.biWidth, head.biHeight))
return false;
// update selection rect
RECT rcSel = {0, 0, -1, -1};
CxImage *pLayer = GetWorkingLayer();
if (pLayer->SelectionIsValid())
pLayer->SelectionGetBox (rcSel);
if (rcSel.right != -1 && rcSel.bottom != -1){
long nOffsetX, nOffsetY;
pLayer->GetOffset (&nOffsetX, &nOffsetY);
rcSel.left += nOffsetX; rcSel.right += nOffsetX;
rcSel.top -= nOffsetY; rcSel.bottom -= nOffsetY;
}
wchar_t twLeft [32], twRight [32], twTop [32], twBottom [32];
::_itow (rcSel.left, twLeft, 10);
::_itow (rcSel.right, twRight, 10);
::_itow (rcSel.top, twTop, 10);
::_itow (rcSel.bottom, twBottom, 10);
wstring wsSelRect (twLeft);
wsSelRect += L"#"; wsSelRect+= twRight;
wsSelRect += L"#"; wsSelRect+= twTop;
wsSelRect += L"#"; wsSelRect+= twBottom;
SetProperty (IGFRAMEPROPERTY_SELECTIONRECT, wsSelRect);
// update current history step id
SetProperty (IGFRAMEPROPERTY_HISTORYSTEP, GetCurrentStepId());
return true;
}
