gdi32: OffsetClipRgn should update actual clipping region for a EMF DC.

dlls/gdi32/enhmfdrv/dc.c

@@ -181,12 +181,16 @@ INT EMFDRV_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bot
 
 INT EMFDRV_OffsetClipRgn( PHYSDEV dev, INT x, INT y )
 {
+    PHYSDEV next = GET_NEXT_PHYSDEV( dev, pOffsetClipRgn );
     EMROFFSETCLIPRGN emr;
+    BOOL ret;
+
     emr.emr.iType   = EMR_OFFSETCLIPRGN;
     emr.emr.nSize   = sizeof(emr);
     emr.ptlOffset.x = x;
     emr.ptlOffset.y = y;
-    return EMFDRV_WriteRecord( dev, &emr.emr );
+    ret = EMFDRV_WriteRecord( dev, &emr.emr );
+    return ret ? next->funcs->pOffsetClipRgn( next, x, y ) : ERROR;
 }
 
 INT EMFDRV_ExtSelectClipRgn( PHYSDEV dev, HRGN hrgn, INT mode )

dlls/gdi32/tests/metafile.c

@@ -2501,12 +2501,10 @@ static void test_emf_clipping(void)
 
     OffsetRect(&rc_sclip, -100, -100);
     ret = OffsetClipRgn(hdc, -100, -100);
-todo_wine
     ok(ret == SIMPLEREGION, "got %d\n", ret);
     SetRect(&rc_res, -1, -1, -1, -1);
     ret = GetClipBox(hdc, &rc_res);
     ok(ret == SIMPLEREGION, "got %d\n", ret);
-todo_wine
     ok(EqualRect(&rc_res, &rc_sclip),
        "expected (%d,%d)-(%d,%d), got (%d,%d)-(%d,%d)\n",
        rc_sclip.left, rc_sclip.top, rc_sclip.right, rc_sclip.bottom,