gdi32: Add explicit fields for the DC flags.

dlls/gdi32/dc.c

@@ -1347,7 +1347,7 @@ UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
     if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
     if (!(dc = get_dc_ptr( hdc ))) return 0;
 
-    ret = ((dc->flags & DC_BOUNDS_ENABLE) ? DCB_ENABLE : DCB_DISABLE) |
+    ret = (dc->bounds_enabled ? DCB_ENABLE : DCB_DISABLE) |
            (is_rect_empty( &dc->BoundsRect ) ? DCB_RESET : DCB_SET);
 
     if (flags & DCB_RESET)
@@ -1376,8 +1376,8 @@ UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
         }
     }
 
-    if (flags & DCB_ENABLE) dc->flags |= DC_BOUNDS_ENABLE;
-    if (flags & DCB_DISABLE) dc->flags &= ~DC_BOUNDS_ENABLE;
+    if (flags & DCB_ENABLE) dc->bounds_enabled = TRUE;
+    if (flags & DCB_DISABLE) dc->bounds_enabled = FALSE;
 
     release_dc_ptr( dc );
     return ret;

dlls/gdi32/gdi_private.h

@@ -89,6 +89,9 @@ typedef struct tagDC
     DWORD_PTR    dwHookData;
     DCHOOKPROC   hookProc;         /* DC hook */
 
+    BOOL         bounds_enabled:1; /* bounds tracking is enabled */
+    BOOL         path_open:1;      /* path is currently open (only for saved DCs) */
+
     INT          wndOrgX;          /* Window origin */
     INT          wndOrgY;
     INT          wndExtX;          /* Window extent */
@@ -149,10 +152,6 @@ typedef struct tagDC
     RECT          BoundsRect;        /* Current bounding rect */
 } DC;
 
-  /* DC flags */
-#define DC_PATH_OPEN     0x0001   /* DC path is open (only set on saved DCs) */
-#define DC_BOUNDS_ENABLE 0x0008   /* Bounding rectangle tracking is enabled */
-
 /* Certain functions will do no further processing if the driver returns this.
    Used by mfdrv for example. */
 #define GDI_NO_MORE_WORK 2

dlls/gdi32/path.c

@@ -867,7 +867,7 @@ BOOL PATH_SavePath( DC *dst, DC *src )
     else if ((physdev = find_path_physdev( src )))
     {
         if (!(dst->path = copy_gdi_path( physdev->path ))) return FALSE;
-        dst->flags |= DC_PATH_OPEN;
+        dst->path_open = TRUE;
     }
     else dst->path = NULL;
     return TRUE;
@@ -877,7 +877,7 @@ BOOL PATH_RestorePath( DC *dst, DC *src )
 {
     struct path_physdev *physdev = find_path_physdev( dst );
 
-    if (src->path && (src->flags & DC_PATH_OPEN))
+    if (src->path && src->path_open)
     {
         if (!physdev)
         {
@@ -887,7 +887,7 @@ BOOL PATH_RestorePath( DC *dst, DC *src )
         else free_gdi_path( physdev->path );
 
         physdev->path = src->path;
-        src->flags &= ~DC_PATH_OPEN;
+        src->path_open = FALSE;
         src->path = NULL;
     }
     else if (physdev)