int CRectTracker::HitTestHandles(CPoint point) const
{
CRect rect;
UINT mask = GetHandleMask();
// see if hit anywhere inside the tracker
GetTrueRect(&rect);
if (!rect.PtInRect(point))
return hitNothing; // totally missed
// see if we hit a handle
for (int i = 0; i < 8; ++i)
{
if (mask & (1<<i))
{
GetHandleRect((TrackerHit)i, &rect);
if (rect.PtInRect(point))
return (TrackerHit)i;
}
}
// last of all, check for non-hit outside of object, between resize handles
if ((m_nStyle & hatchedBorder) == 0)
{
CRect rect = m_rect;
rect.NormalizeRect();
if ((m_nStyle & dottedLine|solidLine) != 0)
rect.InflateRect(+1, +1);
if (!rect.PtInRect(point))
return hitNothing; // must have been between resize handles
}
return hitMiddle; // no handle hit, but hit object (or object border)
}
int CAxRectTracker::HitTest(CPoint point) const
{
TrackerHit hitResult = hitNothing;
CRect rectTrue;
GetTrueRect(&rectTrue);
ASSERT(rectTrue.left <= rectTrue.right);
ASSERT(rectTrue.top <= rectTrue.bottom);
if (rectTrue.PtInRect(point))
{
if ((m_nStyle & (resizeInside|resizeOutside)) != 0)
hitResult = (TrackerHit)HitTestHandles(point);
else
hitResult = hitMiddle;
}
return hitResult;
}
void CRectTracker::Draw(CDC* pDC) const
{
// set initial DC state
VERIFY(pDC->SaveDC() != 0);
pDC->SetMapMode(MM_TEXT);
pDC->SetViewportOrg(0, 0);
pDC->SetWindowOrg(0, 0);
// get normalized rectangle
CRect rect = m_rect;
rect.NormalizeRect();
CPen* pOldPen = NULL;
CBrush* pOldBrush = NULL;
CGdiObject* pTemp;
int nOldROP;
// draw lines
if ((m_nStyle & (dottedLine|solidLine)) != 0)
{
if (m_nStyle & dottedLine)
pOldPen = pDC->SelectObject(CPen::FromHandle(blackDottedPen));
else
pOldPen = (CPen*)pDC->SelectStockObject(BLACK_PEN);
pOldBrush = (CBrush*)pDC->SelectStockObject(NULL_BRUSH);
nOldROP = pDC->SetROP2(R2_COPYPEN);
rect.InflateRect(+1, +1); // borders are one pixel outside
pDC->Rectangle(rect.left, rect.top, rect.right, rect.bottom);
pDC->SetROP2(nOldROP);
}
// if hatchBrush is going to be used, need to unrealize it
if ((m_nStyle & (hatchInside|hatchedBorder)) != 0)
UnrealizeObject(hatchBrush);
// hatch inside
if ((m_nStyle & hatchInside) != 0)
{
pTemp = pDC->SelectStockObject(NULL_PEN);
if (pOldPen == NULL)
pOldPen = (CPen*)pTemp;
pTemp = pDC->SelectObject(CBrush::FromHandle(hatchBrush));
if (pOldBrush == NULL)
pOldBrush = (CBrush*)pTemp;
pDC->SetBkMode(TRANSPARENT);
#ifndef _MAC
nOldROP = pDC->SetROP2(R2_MASKNOTPEN);
#else _MAC
nOldROP = pDC->SetROP2(R2_MERGENOTPEN);
#endif // _MAC
pDC->Rectangle(rect.left+1, rect.top+1, rect.right, rect.bottom);
pDC->SetROP2(nOldROP);
}
// draw hatched border
if ((m_nStyle & hatchedBorder) != 0)
{
pTemp = pDC->SelectObject(CBrush::FromHandle(hatchBrush));
if (pOldBrush == NULL)
pOldBrush = (CBrush*)pTemp;
pDC->SetBkMode(OPAQUE);
CRect rectTrue;
GetTrueRect(&rectTrue);
pDC->PatBlt(rectTrue.left, rectTrue.top, rectTrue.Width(),
rect.top-rectTrue.top, 0x000F0001 /* Pn */);
pDC->PatBlt(rectTrue.left, rect.bottom,
rectTrue.Width(), rectTrue.bottom-rect.bottom, 0x000F0001 /* Pn */);
pDC->PatBlt(rectTrue.left, rect.top, rect.left-rectTrue.left,
rect.Height(), 0x000F0001 /* Pn */);
pDC->PatBlt(rect.right, rect.top, rectTrue.right-rect.right,
rect.Height(), 0x000F0001 /* Pn */);
}
// draw resize handles
if ((m_nStyle & (resizeInside|resizeOutside)) != 0)
{
UINT mask = GetHandleMask();
for (int i = 0; i < 8; ++i)
{
if (mask & (1<<i))
{
GetHandleRect((TrackerHit)i, &rect);
pDC->FillSolidRect(rect, RGB(0, 0, 0));
}
}
}
// cleanup pDC state
if (pOldPen != NULL)
pDC->SelectObject(pOldPen);
if (pOldBrush != NULL)
pDC->SelectObject(pOldBrush);
VERIFY(pDC->RestoreDC(-1));
}
void CColorRectTracker::Draw(CDC* pDC)
{
// set initial DC state
VERIFY(pDC->SaveDC() != 0);
pDC->SetMapMode(MM_TEXT);
pDC->SetViewportOrg(0, 0);
pDC->SetWindowOrg(0, 0);
// get normalized rectangle
CRect rect = m_rect;
rect.NormalizeRect();
CPen* pOldPen = NULL;
CBrush* pOldBrush = NULL;
CGdiObject* pTemp;
int nOldROP;
CPoint ptCenter = rect.CenterPoint();
int nCrossHairWH = rect.Width() < rect.Height() ? rect.Width()/4 : rect.Height()/4;
if (nCrossHairWH > 20) nCrossHairWH = 20;
if (nCrossHairWH < 4) nCrossHairWH = 0;
// draw lines
if ((m_nStyle & (dottedLine|solidLine)) != 0)
{
rect.InflateRect(+1, +1); // borders are one pixel outside
pOldBrush = (CBrush*)pDC->SelectStockObject(NULL_BRUSH);
nOldROP = pDC->SetROP2(R2_COPYPEN);
pOldPen = pDC->SelectObject( &m_WhiteBoldPen );
pDC->Rectangle(rect.left, rect.top, rect.right, rect.bottom);
if (nCrossHairWH > 0)
{
pDC->MoveTo(ptCenter.x-nCrossHairWH/2, ptCenter.y);
pDC->LineTo(ptCenter.x+nCrossHairWH/2, ptCenter.y);
pDC->MoveTo(ptCenter.x, ptCenter.y-nCrossHairWH/2);
pDC->LineTo(ptCenter.x, ptCenter.y+nCrossHairWH/2);
}
if (m_nStyle & dottedLine)
pDC->SelectObject(CPen::FromHandle(_afxBlackDottedPen));
else
pDC->SelectStockObject(BLACK_PEN);
pDC->Rectangle(rect.left, rect.top, rect.right, rect.bottom);
if (nCrossHairWH > 0)
{
pDC->MoveTo(ptCenter.x-nCrossHairWH/2, ptCenter.y);
pDC->LineTo(ptCenter.x+nCrossHairWH/2, ptCenter.y);
pDC->MoveTo(ptCenter.x, ptCenter.y-nCrossHairWH/2);
pDC->LineTo(ptCenter.x, ptCenter.y+nCrossHairWH/2);
}
pDC->SetROP2(nOldROP);
}
// if hatchBrush is going to be used, need to unrealize it
if ((m_nStyle & (hatchInside|hatchedBorder)) != 0)
UnrealizeObject(_afxHatchBrush);
// hatch inside
if ((m_nStyle & hatchInside) != 0)
{
pTemp = pDC->SelectStockObject(NULL_PEN);
if (pOldPen == NULL)
pOldPen = (CPen*)pTemp;
pTemp = pDC->SelectObject(CBrush::FromHandle(_afxHatchBrush));
if (pOldBrush == NULL)
pOldBrush = (CBrush*)pTemp;
pDC->SetBkMode(TRANSPARENT);
nOldROP = pDC->SetROP2(R2_MASKNOTPEN);
pDC->Rectangle(rect.left+1, rect.top+1, rect.right, rect.bottom);
pDC->SetROP2(nOldROP);
}
// draw hatched border
if ((m_nStyle & hatchedBorder) != 0)
{
pTemp = pDC->SelectObject(CBrush::FromHandle(_afxHatchBrush));
if (pOldBrush == NULL)
pOldBrush = (CBrush*)pTemp;
pDC->SetBkMode(OPAQUE);
CRect rectTrue;
GetTrueRect(&rectTrue);
pDC->PatBlt(rectTrue.left, rectTrue.top, rectTrue.Width(),
rect.top-rectTrue.top, 0x000F0001 /* Pn */);
pDC->PatBlt(rectTrue.left, rect.bottom,
rectTrue.Width(), rectTrue.bottom-rect.bottom, 0x000F0001 /* Pn */);
pDC->PatBlt(rectTrue.left, rect.top, rect.left-rectTrue.left,
rect.Height(), 0x000F0001 /* Pn */);
pDC->PatBlt(rect.right, rect.top, rectTrue.right-rect.right,
rect.Height(), 0x000F0001 /* Pn */);
}
// draw resize handles
if ((m_nStyle & (resizeInside|resizeOutside)) != 0)
{
UINT mask = GetHandleMask();
for (int i = 0; i < 8; ++i)
{
if (mask & (1<<i))
{
GetHandleRect((TrackerHit)i, &rect);
rect.InflateRect( +1, +1, +1, +1 );
pDC->FillSolidRect(rect, RGB(0xff, 0xff, 0xff));
rect.DeflateRect( +1, +1, +1, +1 );
pDC->FillSolidRect(rect, RGB(0, 0, 0));
}
}
}
// cleanup pDC state
if (pOldPen != NULL)
pDC->SelectObject(pOldPen);
if (pOldBrush != NULL)
pDC->SelectObject(pOldBrush);
VERIFY(pDC->RestoreDC(-1));
}