enhmfile.c File Reference

#include <precomp.h>
#include <debug.h>

Include dependency graph for enhmfile.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
BOOL WINAPI	IsValidEnhMetaRecord (PVOID pv0, PVOID pv1)
BOOL WINAPI	IsValidEnhMetaRecordOffExt (PVOID pv0, PVOID pv1, DWORD dwOffset, DWORD dwExtends)
HANDLE WINAPI	GdiConvertEnhMetaFile (HENHMETAFILE hemf)
HENHMETAFILE WINAPI	GdiCreateLocalEnhMetaFile (HANDLE hmo)
BOOL WINAPI	GdiComment (_In_ HDC hdc, _In_ UINT cbSize, _In_ const BYTE *lpData)
UINT WINAPI	GetEnhMetaFilePixelFormat (HENHMETAFILE hemf, UINT cbBuffer, PIXELFORMATDESCRIPTOR *ppfd)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 3 of file enhmfile.c.

Function Documentation

GdiComment()

BOOL WINAPI GdiComment	(	_In_ HDC	hdc,
		_In_ UINT	cbSize,
		_In_ const BYTE *	lpData
	)

Definition at line 127 of file enhmfile.c.

{
    if (GDI_HANDLE_GET_TYPE(hdc) != GDILoObjType_LO_ALTDC_TYPE)
        return TRUE;

    return EMFDC_GdiComment( hdc, cbSize, lpData );
}

GdiConvertEnhMetaFile()

HANDLE WINAPI GdiConvertEnhMetaFile

(

HENHMETAFILE

hemf

)

Definition at line 41 of file enhmfile.c.

{
    HANDLE hmo = NULL;
    BYTE * Buffer = NULL;
    UINT nSize;

    nSize = GetEnhMetaFileBits( hemf, 0, NULL );
    if (nSize == 0)
        goto Exit;

    // allocate buffer
    Buffer = (BYTE *)LocalAlloc(LPTR, nSize);
    if (Buffer == NULL)
        goto Exit;

    nSize = GetEnhMetaFileBits( hemf, nSize, Buffer );
    if (nSize == 0)
        goto Exit;

    hmo = NtGdiCreateServerMetaFile( GDITAG_TYPE_EMF, nSize, Buffer, 0, 0, 0 );

Exit:
    // clean up
    if (Buffer)
        LocalFree(Buffer);
    return hmo;
}

GdiCreateLocalEnhMetaFile()

HENHMETAFILE WINAPI GdiCreateLocalEnhMetaFile

(

HANDLE

hmo

)

Definition at line 74 of file enhmfile.c.

{
    HENHMETAFILE hEMF;
    BYTE *       Buffer = NULL;
    UINT         nSize;
    DWORD        iType, mm, xExt, yExt;

    nSize = NtGdiGetServerMetaFileBits( hmo, 0, NULL, NULL, NULL, NULL, NULL);
    if (nSize == 0)
        goto Exit;

    // allocate buffer
    Buffer = (BYTE *)LocalAlloc(LPTR, nSize);
    if (Buffer == NULL)
        goto Exit;

    // store to buffer
    nSize = NtGdiGetServerMetaFileBits( hmo, nSize, Buffer, &iType, &mm, &xExt, &yExt);
    if (nSize == 0)
        goto Exit;

    if ( iType == GDITAG_TYPE_MFP ) // handle conversion to EMF
    {
        METAFILEPICT Info;

        Info.hMF  = NULL;
        Info.mm   = mm;
        Info.xExt = xExt;
        Info.yExt = yExt;

        hEMF = SetWinMetaFileBits( nSize, Buffer, NULL, &Info ); // Translate from old style to new style.
        if (hEMF == NULL)
            goto Exit;
    }
    else
    {
        hEMF = SetEnhMetaFileBits(nSize, Buffer);
        if (hEMF == NULL)
            goto Exit;
    }

Exit:
    // clean up
    if (Buffer)
        LocalFree(Buffer);
    return hEMF;
}

Referenced by GetClipboardData().

GetEnhMetaFilePixelFormat()

UINT WINAPI GetEnhMetaFilePixelFormat	(	HENHMETAFILE	hemf,
		UINT	cbBuffer,
		PIXELFORMATDESCRIPTOR *	ppfd
	)

Definition at line 143 of file enhmfile.c.

{
    ENHMETAHEADER pemh;

    if(GetEnhMetaFileHeader(hemf, sizeof(ENHMETAHEADER), &pemh))
    {
        if(pemh.bOpenGL)
        {
            if(pemh.cbPixelFormat)
            {
                memcpy((void*)ppfd, UlongToPtr(pemh.offPixelFormat), cbBuffer );
                return(pemh.cbPixelFormat);
            }
        }
    }
    return(0);
}

IsValidEnhMetaRecord()

BOOL WINAPI IsValidEnhMetaRecord	(	PVOID	pv0,
		PVOID	pv1
	)

Definition at line 11 of file enhmfile.c.

{
    UNIMPLEMENTED;
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return FALSE;
}

IsValidEnhMetaRecordOffExt()

BOOL WINAPI IsValidEnhMetaRecordOffExt	(	PVOID	pv0,
		PVOID	pv1,
		DWORD	dwOffset,
		DWORD	dwExtends
	)

Definition at line 25 of file enhmfile.c.

{
    UNIMPLEMENTED;
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return FALSE;
}