blt.cpp

AU1100嵌入式处理器lcd显示驱动程序

/*++

Copyright:

    Copyright (c) 2002 BSQUARE Corporation.  All rights reserved.

Module Name:

    bklight.c    

Abstract:

        

Author:

    IMR October 2002

Revision History:

--*/

#include "headers.h"
#include <emul.h>


SCODE
Au1100LCD::BltPrepare(
	GPEBltParms *pBltParms )
{
	pBltParms->pBlt = EmulatedBlt; // catch all

        // check for destination overlap with cursor
    if (pBltParms->pDst == PrimarySurface()) {    // only care if dest is primary surface
        if (m_cursor->CursorIntersect(pBltParms->prclDst)) {
            m_cursor->HideSWCursor();
            m_bCursorForcedOff = TRUE;
        }
    }

        // check for source overlap with cursor
    if (pBltParms->pSrc == PrimarySurface()) {    // only care if src is primary surface
        if (m_cursor->CursorIntersect(pBltParms->prclSrc)) {
            m_cursor->HideSWCursor();
            m_bCursorForcedOff = TRUE;
        }
    }

	return S_OK;
}

SCODE
Au1100LCD::BltComplete( GPEBltParms *pBltParms )
{
    if (m_bCursorForcedOff) {
        m_cursor->ShowSWCursor();
        m_bCursorForcedOff = FALSE;
    }

	return S_OK;
}