metafile.c File Reference

#include <win32k.h>
#include <debug.h>

Include dependency graph for metafile.c:

Go to the source code of this file.

Classes
struct	_METATYPEOBJ

Macros
#define	NDEBUG

Typedefs
typedef struct _METATYPEOBJ	METATYPEOBJ
typedef struct _METATYPEOBJ *	PMETATYPEOBJ

Functions
HDC APIENTRY	NtGdiCreateMetafileDC (IN HDC hdc)
HANDLE APIENTRY	NtGdiCreateServerMetaFile (IN DWORD iType, IN ULONG cjData, IN PBYTE pjData, IN DWORD mm, IN DWORD xExt, IN DWORD yExt)
ULONG APIENTRY	NtGdiGetServerMetaFileBits (IN HANDLE hmo, IN ULONG cjData, OUT OPTIONAL PBYTE pjData, OUT PDWORD piType, OUT PDWORD pmm, OUT PDWORD pxExt, OUT PDWORD pyExt)
LONG APIENTRY	NtGdiConvertMetafileRect (IN HDC hDC, IN OUT PRECTL pRect)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 13 of file metafile.c.

Typedef Documentation

METATYPEOBJ

typedef struct _METATYPEOBJ METATYPEOBJ

PMETATYPEOBJ

typedef struct _METATYPEOBJ * PMETATYPEOBJ

Function Documentation

NtGdiConvertMetafileRect()

LONG APIENTRY NtGdiConvertMetafileRect	(	IN HDC	hDC,
		IN OUT PRECTL	pRect
	)

Definition at line 172 of file metafile.c.

{
    UNIMPLEMENTED;
    return 0;
}

NtGdiCreateMetafileDC()

HDC APIENTRY NtGdiCreateMetafileDC

(

IN HDC

hdc

)

Definition at line 37 of file metafile.c.

{
    //if (hdc)
        /* Call the internal function to create an alternative info DC */
        return GreCreateCompatibleDC(hdc, TRUE);
    // No HDC call NtUser.
    //return UserGetDesktopDC(DCTYPE_INFO, TRUE, FALSE);
}

NtGdiCreateServerMetaFile()

HANDLE APIENTRY NtGdiCreateServerMetaFile	(	IN DWORD	iType,
		IN ULONG	cjData,
		IN PBYTE	pjData,
		IN DWORD	mm,
		IN DWORD	xExt,
		IN DWORD	yExt
	)

Definition at line 51 of file metafile.c.

{
    BOOL Pass = TRUE;
    PMETATYPEOBJ pmto;

    if ( ( iType == GDITAG_TYPE_EMF || iType == GDITAG_TYPE_MFP ) &&
        cjData &&
        pjData )
    {
        pmto = (PMETATYPEOBJ)GDIOBJ_AllocObjWithHandle(GDILoObjType_LO_META_TYPE, sizeof(METATYPEOBJ) + cjData);
        if ( pmto )
        {
            pmto->iType  = iType;
            pmto->mm     = mm;
            pmto->xExt   = xExt;
            pmto->yExt   = yExt;
            pmto->cjData = cjData;

            _SEH2_TRY
            {
                ProbeForRead( pjData, cjData, 1 );
                RtlCopyMemory( pmto->pjData, pjData, cjData) ;
            }
            _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
            {
                Pass = FALSE;
            }
            _SEH2_END;

            if (Pass)
            {
               GDIOBJ_vSetObjectOwner(&pmto->BaseObject, GDI_OBJ_HMGR_PUBLIC);
               GDIOBJ_vUnlockObject(&pmto->BaseObject);
               return pmto->BaseObject.hHmgr;
            }
            else
            {
               GDIOBJ_vDeleteObject(&pmto->BaseObject);
            }
        }
    }
    return NULL;
}

Referenced by GdiConvertMetaFilePict().

NtGdiGetServerMetaFileBits()

ULONG APIENTRY NtGdiGetServerMetaFileBits	(	IN HANDLE	hmo,
		IN ULONG	cjData,
		OUT OPTIONAL PBYTE	pjData,
		OUT PDWORD	piType,
		OUT PDWORD	pmm,
		OUT PDWORD	pxExt,
		OUT PDWORD	pyExt
	)

Definition at line 107 of file metafile.c.

{
    ULONG cjRet = 0;
    PMETATYPEOBJ pmto;

    pmto = (PMETATYPEOBJ) GDIOBJ_LockObject( hmo, GDIObjType_META_TYPE);

    if (!pmto)
        return 0;

    if ( pmto->iType == GDITAG_TYPE_EMF || pmto->iType == GDITAG_TYPE_MFP )
    {
        cjRet = pmto->cjData;

        if ( cjData )
        {
            if (cjData == pmto->cjData)
            {
                _SEH2_TRY
                {
                    ProbeForWrite( piType, sizeof(DWORD), 1);
                    *piType = pmto->iType;

                    ProbeForWrite( pmm, sizeof(DWORD), 1);
                    *pmm = pmto->mm;

                    ProbeForWrite( pxExt, sizeof(DWORD), 1);
                    *pxExt = pmto->xExt;

                    ProbeForWrite( pyExt, sizeof(DWORD), 1);
                    *pyExt = pmto->yExt;

                    ProbeForWrite( pjData, cjData, 1 );
                    RtlCopyMemory( pjData, pmto->pjData, cjData) ;
                }
                _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
                {
                    cjRet = 0;
                }
                _SEH2_END;
            }
            else
            {
                cjRet = 0;
            }
        }
    }

    GDIOBJ_vUnlockObject(&pmto->BaseObject);
    return cjRet;
}

Referenced by GdiCreateLocalMetaFilePict().