AyaNova CE Archive added as recovered from storage during attempt to upgrade a customer from v1.7 to v8!

archive/ayanova 1.9.4 CE final release db schema 171/sp/MemDC.h

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+#if !defined(AFX_MEMDC_H__CA1D3541_7235_11D1_ABBA_00A0243D1382__INCLUDED_)
+#define AFX_MEMDC_H__CA1D3541_7235_11D1_ABBA_00A0243D1382__INCLUDED_
+
+#if _MSC_VER >= 1000
+#pragma once
+#endif // _MSC_VER >= 1000
+// MemDC.h : header file
+//
+
+//////////////////////////////////////////////////
+// CMemDC - memory DC
+//
+// Author: Keith Rule
+// Email:  keithr@europa.com
+// Copyright 1996-1997, Keith Rule
+//
+// You may freely use or modify this code provided this
+// Copyright is included in all derived versions.
+//
+// History - 10/3/97 Fixed scrolling bug.
+//                   Added print support.
+//           25 feb 98 - fixed minor assertion bug
+//
+// This class implements a memory Device Context
+
+class CMemDC : public CDC
+{
+public:
+
+    // constructor sets up the memory DC
+    CMemDC(CDC* pDC) : CDC()
+    {
+        ASSERT(pDC != NULL);
+
+        m_pDC = pDC;
+        m_pOldBitmap = NULL;
+        m_bMemDC = !pDC->IsPrinting();
+              
+        if (m_bMemDC)    // Create a Memory DC
+        {
+            pDC->GetClipBox(&m_rect);
+            CreateCompatibleDC(pDC);
+            m_bitmap.CreateCompatibleBitmap(pDC, m_rect.Width(), m_rect.Height());
+            m_pOldBitmap = SelectObject(&m_bitmap);
+            SetWindowOrg(m_rect.left, m_rect.top);
+        }
+        else        // Make a copy of the relevent parts of the current DC for printing
+        {
+            m_bPrinting = pDC->m_bPrinting;
+            m_hDC       = pDC->m_hDC;
+            m_hAttribDC = pDC->m_hAttribDC;
+        }
+    }
+    
+    // Destructor copies the contents of the mem DC to the original DC
+    ~CMemDC()
+    {
+        if (m_bMemDC) 
+        {    
+            // Copy the offscreen bitmap onto the screen.
+            m_pDC->BitBlt(m_rect.left, m_rect.top, m_rect.Width(), m_rect.Height(),
+                          this, m_rect.left, m_rect.top, SRCCOPY);
+
+            //Swap back the original bitmap.
+            SelectObject(m_pOldBitmap);
+        } else {
+            // All we need to do is replace the DC with an illegal value,
+            // this keeps us from accidently deleting the handles associated with
+            // the CDC that was passed to the constructor.
+            m_hDC = m_hAttribDC = NULL;
+        }
+    }
+
+    // Allow usage as a pointer
+    CMemDC* operator->() {return this;}
+        
+    // Allow usage as a pointer
+    operator CMemDC*() {return this;}
+
+private:
+    CBitmap  m_bitmap;      // Offscreen bitmap
+    CBitmap* m_pOldBitmap;  // bitmap originally found in CMemDC
+    CDC*     m_pDC;         // Saves CDC passed in constructor
+    CRect    m_rect;        // Rectangle of drawing area.
+    BOOL     m_bMemDC;      // TRUE if CDC really is a Memory DC.
+};
+
+/////////////////////////////////////////////////////////////////////////////
+
+//{{AFX_INSERT_LOCATION}}
+// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
+
+#endif // !defined(AFX_MEMDC_H__CA1D3541_7235_11D1_ABBA_00A0243D1382__INCLUDED_)