?? drawobj.cpp
字號(hào):
{
WORD wTemp;
ar >> wTemp; m_nShape = (Shape)wTemp;
ar >> m_roundness;
}
}
/**/
void CDrawRect::DrawCircle(CDC* pDC,CRect rect)
{
ASSERT_VALID(this);
int cx,cy;
if (rect.right < rect.left)
{
cx = rect.left;
rect.left = rect.right;
rect.right = cx;
}
if (rect.bottom < rect.top)
{
cy = rect.top;
rect.top = rect.bottom;
rect.bottom = cy;
}
cx = rect.right - rect.left;
cy = rect.bottom - rect.top;
if (cx > cy)
{
rect.left += (cx-cy) / 2;
rect.right = rect.left + cy;
}
else
{
rect.top += (cy-cx) / 2;
rect.bottom = rect.top + cx;
}
//pDC->TextOut(rect.left,rect.bottom,"123",3);
pDC->Ellipse(rect);
}
/**/
void CDrawRect::Draw(CDC* pDC)
{
ASSERT_VALID(this);
CBrush brush;
if (!brush.CreateBrushIndirect(&m_logbrush))
return;
CPen pen;
if (!pen.CreatePenIndirect(&m_logpen))
return;
CBrush* pOldBrush;
CPen* pOldPen;
if (m_bBrush)
pOldBrush = pDC->SelectObject(&brush);
else
pOldBrush = (CBrush*)pDC->SelectStockObject(NULL_BRUSH);
if (m_bPen)
pOldPen = pDC->SelectObject(&pen);
else
pOldPen = (CPen*)pDC->SelectStockObject(NULL_PEN);
CRect rect = m_position;
switch (m_nShape)
{
case rectangle:
pDC->Rectangle(rect);
break;
case roundRectangle:
pDC->RoundRect(rect, m_roundness);
break;
case ellipse:
pDC->Ellipse(rect);
break;
case circle:
DrawCircle(pDC,rect);
//pDC->Circle(rect);
break;
case line:
if (rect.top > rect.bottom)
{
rect.top -= m_logpen.lopnWidth.y / 2;
rect.bottom += (m_logpen.lopnWidth.y + 1) / 2;
}
else
{
rect.top += (m_logpen.lopnWidth.y + 1) / 2;
rect.bottom -= m_logpen.lopnWidth.y / 2;
}
if (rect.left > rect.right)
{
rect.left -= m_logpen.lopnWidth.x / 2;
rect.right += (m_logpen.lopnWidth.x + 1) / 2;
}
else
{
rect.left += (m_logpen.lopnWidth.x + 1) / 2;
rect.right -= m_logpen.lopnWidth.x / 2;
}
pDC->MoveTo(rect.TopLeft());
pDC->LineTo(rect.BottomRight());
break;
}
pDC->SelectObject(pOldBrush);
pDC->SelectObject(pOldPen);
}
int CDrawRect::GetHandleCount()
{
ASSERT_VALID(this);
return m_nShape == line ? 2 :
CDrawObj::GetHandleCount() + (m_nShape == roundRectangle);
}
// returns center of handle in logical coordinates
CPoint CDrawRect::GetHandle(int nHandle)
{
ASSERT_VALID(this);
if (m_nShape == line && nHandle == 2)
nHandle = 5;
else if (m_nShape == roundRectangle && nHandle == 9)
{
CRect rect = m_position;
rect.NormalizeRect();
CPoint point = rect.BottomRight();
point.x -= m_roundness.x / 2;
point.y -= m_roundness.y / 2;
return point;
}
return CDrawObj::GetHandle(nHandle);
}
HCURSOR CDrawRect::GetHandleCursor(int nHandle)
{
ASSERT_VALID(this);
if (m_nShape == line && nHandle == 2)
nHandle = 5;
else if (m_nShape == roundRectangle && nHandle == 9)
return AfxGetApp()->LoadStandardCursor(IDC_SIZEALL);
return CDrawObj::GetHandleCursor(nHandle);
}
// point is in logical coordinates
void CDrawRect::MoveHandleTo(int nHandle, CPoint point, CDrawView* pView)
{
ASSERT_VALID(this);
if (m_nShape == line && nHandle == 2)
nHandle = 5;
else if (m_nShape == roundRectangle && nHandle == 9)
{
CRect rect = m_position;
rect.NormalizeRect();
if (point.x > rect.right - 1)
point.x = rect.right - 1;
else if (point.x < rect.left + rect.Width() / 2)
point.x = rect.left + rect.Width() / 2;
if (point.y > rect.bottom - 1)
point.y = rect.bottom - 1;
else if (point.y < rect.top + rect.Height() / 2)
point.y = rect.top + rect.Height() / 2;
m_roundness.x = 2 * (rect.right - point.x);
m_roundness.y = 2 * (rect.bottom - point.y);
m_pDocument->SetModifiedFlag();
if (pView == NULL)
Invalidate();
else
pView->InvalObj(this);
return;
}
CDrawObj::MoveHandleTo(nHandle, point, pView);
}
// 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:
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;
case circle:
rgn.CreateEllipticRgnIndirect(fixed);
break;
}
return rgn.RectInRegion(fixed);
}
CDrawObj* CDrawRect::Clone(CDrawDoc* pDoc)
{
ASSERT_VALID(this);
CDrawRect* pClone = new CDrawRect(m_position);
pClone->m_bPen = m_bPen;
pClone->m_logpen = m_logpen;
pClone->m_bBrush = m_bBrush;
pClone->m_logbrush = m_logbrush;
pClone->m_nShape = m_nShape;
pClone->m_roundness = m_roundness;
pClone->m_nOrder = m_nOrder;
pClone->m_nType = m_nType;
ASSERT_VALID(pClone);
if (pDoc != NULL)
pDoc->Add(pClone);
ASSERT_VALID(pClone);
return pClone;
}
////////////////////////////////////////////////////////////////////////////
IMPLEMENT_SERIAL(CDrawOleObj, CDrawObj, 0)
BOOL CDrawOleObj::c_bShowItems = TRUE;
CDrawOleObj::CDrawOleObj() : m_extent(0,0)
{
m_pClientItem = NULL;
}
CDrawOleObj::CDrawOleObj(const CRect& position)
: CDrawObj(position), m_extent(0, 0)
{
m_pClientItem = NULL;
}
CDrawOleObj::~CDrawOleObj()
{
if (m_pClientItem != NULL)
{
m_pClientItem->Release();
m_pClientItem = NULL;
}
}
void CDrawOleObj::Remove()
{
if (m_pClientItem != NULL)
{
m_pClientItem->Delete();
m_pClientItem = NULL;
}
CDrawObj::Remove();
}
void CDrawOleObj::Serialize( CArchive& ar )
{
ASSERT_VALID(this);
CDrawObj::Serialize(ar);
if (ar.IsStoring())
{
ar << m_extent;
ar << m_pClientItem;
}
else
{
ar >> m_extent;
ar >> m_pClientItem;
m_pClientItem->m_pDrawObj = this;
}
}
CDrawObj* CDrawOleObj::Clone(CDrawDoc* pDoc)
{
ASSERT_VALID(this);
AfxGetApp()->BeginWaitCursor();
CDrawOleObj* pClone = NULL;
CDrawItem* pItem = NULL;
TRY
{
// perform a "deep copy" -- need to copy CDrawOleObj and the CDrawItem
// that it points to.
CDrawOleObj* pClone = new CDrawOleObj(m_position);
CDrawItem* pItem = new CDrawItem(m_pDocument, pClone);
if (!pItem->CreateCloneFrom(m_pClientItem))
AfxThrowMemoryException();
pClone->m_pClientItem = pItem;
pClone->m_bPen = m_bPen;
pClone->m_logpen = m_logpen;
pClone->m_bBrush = m_bBrush;
pClone->m_logbrush = m_logbrush;
pClone->m_nOrder = m_nOrder;
pClone->m_nType = m_nType;
ASSERT_VALID(pClone);
if (pDoc != NULL)
pDoc->Add(pClone);
}
CATCH_ALL(e)
{
pItem->Delete();
pClone->m_pClientItem = NULL;
pClone->Remove();
AfxGetApp()->EndWaitCursor();
THROW_LAST();
}
END_CATCH_ALL
AfxGetApp()->EndWaitCursor();
return pClone;
}
void CDrawOleObj::Draw(CDC* pDC)
{
ASSERT_VALID(this);
CDrawItem* pItem = m_pClientItem;
if (pItem != NULL)
{
// draw the OLE item itself
pItem->Draw(pDC, m_position);
// don't draw tracker in print preview or on printer
if (!pDC->IsPrinting())
{
// use a CRectTracker to draw the standard effects
CRectTracker tracker;
tracker.m_rect = m_position;
pDC->LPtoDP(tracker.m_rect);
if (c_bShowItems)
{
// put correct border depending on item type
if (pItem->GetType() == OT_LINK)
tracker.m_nStyle |= CRectTracker::dottedLine;
else
tracker.m_nStyle |= CRectTracker::solidLine;
}
// put hatching over the item if it is currently open
if (pItem->GetItemState() == COleClientItem::openState ||
pItem->GetItemState() == COleClientItem::activeUIState)
{
tracker.m_nStyle |= CRectTracker::hatchInside;
}
tracker.Draw(pDC);
}
}
}
void CDrawOleObj::OnOpen(CDrawView* pView)
{
AfxGetApp()->BeginWaitCursor();
m_pClientItem->DoVerb(
#ifndef _MAC
GetKeyState(VK_CONTROL) < 0 ? OLEIVERB_OPEN : OLEIVERB_PRIMARY,
#else
GetKeyState(VK_OPTION) < 0 ? OLEIVERB_OPEN : OLEIVERB_PRIMARY,
#endif
pView);
AfxGetApp()->EndWaitCursor();
}
void CDrawOleObj::OnEditProperties()
{
// using COlePropertiesDialog directly means no scaling
COlePropertiesDialog dlg(m_pClientItem, 100, 100, NULL);
dlg.DoModal();
}
// position is in logical
void CDrawOleObj::MoveTo(const CRect& position, CDrawView* pView)
{
ASSERT_VALID(this);
if (position == m_position)
return;
// call base class to update position
CDrawObj::MoveTo(position, pView);
// update position of in-place editing session on position change
if (m_pClientItem->IsInPlaceActive())
m_pClientItem->SetItemRects();
}
/////////////////////////////////////////////////////////////////////////////
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