gdi32: Move common SetLayout() code to nulldrv_SetLayout().

dlls/gdi32/dc.c

@@ -1922,17 +1922,7 @@ DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
     if (dc)
     {
         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetLayout );
-        layout = physdev->funcs->pSetLayout( physdev, layout );
-        if (layout != GDI_ERROR)
-        {
-            oldlayout = dc->layout;
-            dc->layout = layout;
-            if (layout != oldlayout)
-            {
-                if (layout & LAYOUT_RTL) dc->MapMode = MM_ANISOTROPIC;
-                DC_UpdateXforms( dc );
-            }
-        }
+        oldlayout = physdev->funcs->pSetLayout( physdev, layout );
         release_dc_ptr( dc );
     }
 

dlls/gdi32/driver.c

@@ -795,7 +795,18 @@ static void CDECL nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN rgn )
 
 static DWORD CDECL nulldrv_SetLayout( PHYSDEV dev, DWORD layout )
 {
-    return layout;
+    DC *dc = get_nulldrv_dc( dev );
+    DWORD old_layout;
+
+    old_layout = dc->layout;
+    dc->layout = layout;
+    if (layout != old_layout)
+    {
+        if (layout & LAYOUT_RTL) dc->MapMode = MM_ANISOTROPIC;
+        DC_UpdateXforms( dc );
+    }
+
+    return old_layout;
 }
 
 static BOOL CDECL nulldrv_SetDeviceGammaRamp( PHYSDEV dev, void *ramp )

dlls/gdi32/enhmfdrv/dc.c

@@ -334,12 +334,14 @@ BOOL CDECL EMFDRV_ScaleWindowExtEx( PHYSDEV dev, INT xNum, INT xDenom, INT yNum,
 
 DWORD CDECL EMFDRV_SetLayout( PHYSDEV dev, DWORD layout )
 {
+    PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSetMapMode );
     EMRSETLAYOUT emr;
 
     emr.emr.iType = EMR_SETLAYOUT;
     emr.emr.nSize = sizeof(emr);
     emr.iMode = layout;
-    return EMFDRV_WriteRecord( dev, &emr.emr ) ? layout : GDI_ERROR;
+    if (!EMFDRV_WriteRecord( dev, &emr.emr )) return GDI_ERROR;
+    return next->funcs->pSetLayout( next, layout );
 }
 
 BOOL CDECL EMFDRV_SetWorldTransform( PHYSDEV dev, const XFORM *xform)