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- // Borland C++ - (C) Copyright 1991 by Borland International
- //
- // This file is used in the DLLDEMO program. First build BITMAP.DLL
- // and then DLLDEMO. There are project files provided to build each
- // of these.
-
- #include <windows.h>
-
- #define _EXPORT _export
- #include "bitmap.h"
-
- // Implementation of CompatibleDC and Bitmap classes.
-
- class CompatibleDC
- {
- private:
- HDC hDCMem;
- public:
- // Create a memory device context, specify a selected object,
- // and set the DC's mapping mode.
- CompatibleDC( HDC hDC )
- {
- hDCMem = CreateCompatibleDC( hDC );
- SetMapMode( hDCMem, GetMapMode( hDC ) );
- }
- ~CompatibleDC( void ) { DeleteDC( hDCMem ); };
- HDC Get_hDCMem( void ) { return hDCMem; }
- };
-
- void FAR _export Bitmap::Display( HDC hDC, short xStart, short yStart )
- {
- POINT ptSize, ptOrigin;
-
- CompatibleDC MemoryDC( hDC );
- HDC hDCMem = MemoryDC.Get_hDCMem();
- SelectObject( hDCMem, hBitmap );
-
- ptSize = GetSize( hDC );
- ptOrigin.x = 0;
- ptOrigin.y = 0;
- DPtoLP( hDCMem, &ptOrigin, 1 );
-
- BitBlt( hDC, xStart, yStart, ptSize.x, ptSize.y,
- hDCMem, ptOrigin.x, ptOrigin.y, SRCCOPY );
- }