allow NULL parent menu

[wxWidgets.git] / interface / wx / graphics.h

diff --git a/interface/wx/graphics.h b/interface/wx/graphics.h
index 55361daecc7b902f01d7af3223cbbeb6e9850585..2874f6cadefdfdb2656ce572f5d704df4039b974 100644 (file)
--- a/interface/wx/graphics.h
+++ b/interface/wx/graphics.h
@@ -241,6 +241,14 @@ enum wxInterpolationQuality
 */
 enum wxCompositionMode
 {
+    /**
+        Indicates invalid or unsupported composition mode.
+
+        This value can't be passed to wxGraphicsContext::SetCompositionMode().
+
+        @since 2.9.2
+     */
+    wxCOMPOSITION_INVALID = -1,
     wxCOMPOSITION_CLEAR, /**< @e R = 0 */
     wxCOMPOSITION_SOURCE, /**< @e R = S */
     wxCOMPOSITION_OVER, /**< @e R = @e S + @e D*(1 - @e Sa) */
@@ -254,7 +262,7 @@ enum wxCompositionMode
     wxCOMPOSITION_DEST_OUT, /**< @e R = @e D*(1 - @e Sa) */
     wxCOMPOSITION_DEST_ATOP, /**< @e R = @e S*(1 - @e Da) + @e D*@e Sa */
     wxCOMPOSITION_XOR, /**< @e R = @e S*(1 - @e Da) + @e D*(1 - @e Sa) */
-    wxCOMPOSITION_ADD, /**< @e R = @e S + @e D */
+    wxCOMPOSITION_ADD  /**< @e R = @e S + @e D */
 };