DrawObj.cpp
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上传用户:seaboy_04
上传日期:2013-02-24
资源大小:284k
文件大小:18k
源码类别:
其他行业
开发平台:
Visual C++
- // DrawObj.cpp: implementation of the CDrawObj class.
- //
- //////////////////////////////////////////////////////////////////////
- #include "stdafx.h"
- #include "DrawCli.h"
- #include "DrawObj.h"
- #include "drawdoc.h"
- #include "drawvw.h"
- #include "cntritem.h"
- #include "rectdlg.h"
- #ifdef _DEBUG
- #undef THIS_FILE
- static char THIS_FILE[]=__FILE__;
- #define new DEBUG_NEW
- #endif
- //////////////////////////////////////////////////////////////////////
- // Construction/Destruction
- //////////////////////////////////////////////////////////////////////
- IMPLEMENT_SERIAL(CDrawObj, CObject, 0)
- CDrawObj::CDrawObj()
- {
- }
- CDrawObj::~CDrawObj()
- {
- }
- CDrawObj::CDrawObj(const CRect& position)
- {
- m_position = position;
- m_pDocument = NULL;
- m_bPen = TRUE;
- m_logpen.lopnStyle = PS_INSIDEFRAME;
- m_logpen.lopnWidth.x = 2;
- m_logpen.lopnWidth.y = 2;
- m_logpen.lopnColor = RGB(0, 0, 0);
- m_bBrush = TRUE;
- m_logbrush.lbStyle = BS_SOLID;
- m_logbrush.lbColor = RGB(192, 192, 192);
- m_logbrush.lbHatch = HS_HORIZONTAL;
- }
- void CDrawObj::Serialize(CArchive& ar)
- {
- CObject::Serialize(ar);
- if (ar.IsStoring())
- {
- ar << m_position;
- ar << (WORD)m_bPen;
- ar.Write(&m_logpen, sizeof(LOGPEN));
- ar << (WORD)m_bBrush;
- ar.Write(&m_logbrush, sizeof(LOGBRUSH));
- }
- else
- {
- // get the document back pointer from the archive
- m_pDocument = (CDrawDoc*)ar.m_pDocument;
- ASSERT_VALID(m_pDocument);
- ASSERT_KINDOF(CDrawDoc, m_pDocument);
- WORD wTemp;
- ar >> m_position;
- ar >> wTemp; m_bPen = (BOOL)wTemp;
- ar.Read(&m_logpen,sizeof(LOGPEN));
- ar >> wTemp; m_bBrush = (BOOL)wTemp;
- ar.Read(&m_logbrush, sizeof(LOGBRUSH));
- }
- }
- void CDrawObj::Remove()
- {
- delete this;
- }
- void CDrawObj::Draw(CDC*)
- {
- }
- void CDrawObj::DrawTracker(CDC* pDC, TrackerState state)
- {
- ASSERT_VALID(this);
- switch (state)
- {
- case normal:
- break;
- case selected:
- case active:
- {
- int nHandleCount = GetHandleCount();
- for (int nHandle = 1; nHandle <= nHandleCount; nHandle += 1)
- {
- CPoint handle = GetHandle(nHandle);
- pDC->PatBlt(handle.x - 3, handle.y - 3, 7, 7, DSTINVERT);
- }
- }
- break;
- }
- }
- // position is in logical
- void CDrawObj::MoveTo(const CRect& position, CDrawView* pView)
- {
- ASSERT_VALID(this);
- if (position == m_position)
- return;
- if (pView == NULL)
- {
- Invalidate();
- m_position = position;
- Invalidate();
- }
- else
- {
- pView->InvalObj(this);
- m_position = position;
- pView->InvalObj(this);
- }
- m_pDocument->SetModifiedFlag();
- }
- // Note: if bSelected, hit-codes start at one for the top-left
- // and increment clockwise, 0 means no hit.
- // If !bSelected, 0 = no hit, 1 = hit (anywhere)
- // point is in logical coordinates
- int CDrawObj::HitTest(CPoint point, CDrawView* pView, BOOL bSelected)
- {
- ASSERT_VALID(this);
- ASSERT(pView != NULL);
- if (bSelected)
- {
- int nHandleCount = GetHandleCount();
- for (int nHandle = 1; nHandle <= nHandleCount; nHandle += 1)
- {
- // GetHandleRect returns in logical coords
- CRect rc = GetHandleRect(nHandle,pView);
- if (point.x >= rc.left && point.x < rc.right &&
- point.y <= rc.top && point.y > rc.bottom)
- return nHandle;
- }
- }
- else
- {
- if (point.x >= m_position.left && point.x < m_position.right &&
- point.y <= m_position.top && point.y > m_position.bottom)
- return 1;
- }
- return 0;
- }
- // rect must be in logical coordinates
- BOOL CDrawObj::Intersects(const CRect& rect)
- {
- ASSERT_VALID(this);
- CRect fixed = m_position;
- fixed.NormalizeRect();
- CRect rectT = rect;
- rectT.NormalizeRect();
- return !(rectT & fixed).IsRectEmpty();
- }
- int CDrawObj::GetHandleCount()
- {
- ASSERT_VALID(this);
- return 8;
- }
- // returns logical coords of center of handle
- CPoint CDrawObj::GetHandle(int nHandle)
- {
- ASSERT_VALID(this);
- int x, y, xCenter, yCenter;
- // this gets the center regardless of left/right and top/bottom ordering
- xCenter = m_position.left + m_position.Width() / 2;
- yCenter = m_position.top + m_position.Height() / 2;
- switch (nHandle)
- {
- default:
- ASSERT(FALSE);
- case 1:
- x = m_position.left;
- y = m_position.top;
- break;
- case 2:
- x = xCenter;
- y = m_position.top;
- break;
- case 3:
- x = m_position.right;
- y = m_position.top;
- break;
- case 4:
- x = m_position.right;
- y = yCenter;
- break;
- case 5:
- x = m_position.right;
- y = m_position.bottom;
- break;
- case 6:
- x = xCenter;
- y = m_position.bottom;
- break;
- case 7:
- x = m_position.left;
- y = m_position.bottom;
- break;
- case 8:
- x = m_position.left;
- y = yCenter;
- break;
- }
- return CPoint(x, y);
- }
- // return rectange of handle in logical coords
- CRect CDrawObj::GetHandleRect(int nHandleID, CDrawView* pView)
- {
- ASSERT_VALID(this);
- ASSERT(pView != NULL);
- CRect rect;
- // get the center of the handle in logical coords
- CPoint point = GetHandle(nHandleID);
- // convert to client/device coords
- pView->DocToClient(point);
- // return CRect of handle in device coords
- rect.SetRect(point.x-3, point.y-3, point.x+3, point.y+3);
- pView->ClientToDoc(rect);
- return rect;
- }
- HCURSOR CDrawObj::GetHandleCursor(int nHandle)
- {
- ASSERT_VALID(this);
- LPCTSTR id;
- switch (nHandle)
- {
- default:
- ASSERT(FALSE);
- case 1:
- case 5:
- id = IDC_SIZENWSE;
- break;
- case 2:
- case 6:
- id = IDC_SIZENS;
- break;
- case 3:
- case 7:
- id = IDC_SIZENESW;
- break;
- case 4:
- case 8:
- id = IDC_SIZEWE;
- break;
- }
- return AfxGetApp()->LoadStandardCursor(id);
- }
- // point must be in logical
- void CDrawObj::MoveHandleTo(int nHandle, CPoint point, CDrawView* pView)
- {
- ASSERT_VALID(this);
- CRect position = m_position;
- switch (nHandle)
- {
- default:
- ASSERT(FALSE);
- case 1:
- position.left = point.x;
- position.top = point.y;
- break;
- case 2:
- position.top = point.y;
- break;
- case 3:
- position.right = point.x;
- position.top = point.y;
- break;
- case 4:
- position.right = point.x;
- break;
- case 5:
- position.right = point.x;
- position.bottom = point.y;
- break;
- case 6:
- position.bottom = point.y;
- break;
- case 7:
- position.left = point.x;
- position.bottom = point.y;
- break;
- case 8:
- position.left = point.x;
- break;
- }
- MoveTo(position, pView);
- }
- void CDrawObj::Invalidate()
- {
- ASSERT_VALID(this);
- m_pDocument->UpdateAllViews(NULL, HINT_UPDATE_DRAWOBJ, this);
- }
- CDrawObj* CDrawObj::Clone(CDrawDoc* pDoc)
- {
- ASSERT_VALID(this);
- CDrawObj* pClone = new CDrawObj(m_position);
- pClone->m_bPen = m_bPen;
- pClone->m_logpen = m_logpen;
- pClone->m_bBrush = m_bBrush;
- pClone->m_logbrush = m_logbrush;
- ASSERT_VALID(pClone);
- if (pDoc != NULL)
- pDoc->Add(pClone);
- return pClone;
- }
- void CDrawObj::OnEditProperties()
- {
- ASSERT_VALID(this);
- CPropertySheet sheet( _T("对象显示属性") );
- CRectDlg dlg;
- dlg.m_bNoFill = !m_bBrush;
- dlg.m_penSize = m_bPen ? m_logpen.lopnWidth.x : 0;
- dlg.m_LineColor = m_logpen.lopnColor;
- dlg.m_FillColor = m_logbrush.lbColor;
- sheet.AddPage( &dlg );
- if (sheet.DoModal() != IDOK)
- return;
- m_bBrush = !dlg.m_bNoFill;
- m_bPen = dlg.m_penSize > 0;
- m_logbrush.lbColor = dlg.m_FillColor;
- if (m_bPen)
- {
- m_logpen.lopnWidth.x = dlg.m_penSize;
- m_logpen.lopnWidth.y = dlg.m_penSize;
- m_logpen.lopnColor = dlg.m_LineColor;
- }
- Invalidate();
- m_pDocument->SetModifiedFlag();
- }
- void CDrawObj::OnOpen(CDrawView* /*pView*/ )
- {
- OnEditProperties();
- }
- void CDrawObj::SetLineColor(COLORREF color)
- {
- ASSERT_VALID(this);
- m_logpen.lopnColor = color;
- Invalidate();
- m_pDocument->SetModifiedFlag();
- }
- void CDrawObj::SetFillColor(COLORREF color)
- {
- ASSERT_VALID(this);
- m_logbrush.lbColor = color;
- Invalidate();
- m_pDocument->SetModifiedFlag();
- }
- #ifdef _DEBUG
- void CDrawObj::AssertValid()
- {
- ASSERT(m_position.left <= m_position.right);
- ASSERT(m_position.bottom <= m_position.top);
- }
- #endif
- ////////////////////////////////////////////////////////////////////////////
- // CDrawRect
- IMPLEMENT_SERIAL(CDrawRect, CDrawObj, 0)
- CDrawRect::CDrawRect()
- {
- }
- CDrawRect::CDrawRect(const CRect& position)
- : CDrawObj(position)
- {
- ASSERT_VALID(this);
- m_nShape = rectangle;
- m_roundness.x = 16;
- m_roundness.y = 16;
- }
- void CDrawRect::Serialize(CArchive& ar)
- {
- ASSERT_VALID(this);
- CDrawObj::Serialize(ar);
- if (ar.IsStoring())
- {
- ar << (WORD) m_nShape;
- ar << m_roundness;
- }
- else
- {
- 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;
- 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;
- 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();
- }
- /////////////////////////////////////////////////////////////////////////////