virtual bool IsHatch() const;
/**
- Returns @true if the brush is initialised. It will return @false if the default
- constructor has been used (for example, the brush is a member of a class, or
- @NULL has been assigned to it).
+ Returns @true if the brush is initialised.
+
+ Notice that an uninitialized brush object can't be queried for any
+ brush properties and all calls to the accessor methods on it will
+ result in an assert failure.
*/
virtual bool IsOk() const;
+ /**
+ Returns @true if the brush is a valid non-transparent brush.
+
+ This method returns @true if the brush object is initialized and has a
+ non-transparent style. Notice that this should be used instead of
+ simply testing whether GetStyle() returns a style different from
+ wxBRUSHSTYLE_TRANSPARENT if the brush may be invalid as GetStyle()
+ would assert in this case.
+
+ @see IsTransparent()
+
+ @since 2.9.2.
+ */
+ bool IsNonTransparent() const;
+
+ /**
+ Returns @true if the brush is transparent.
+
+ A transparent brush is simply a brush with wxBRUSHSTYLE_TRANSPARENT
+ style.
+
+ Notice that this function works even for non-initialized brushes (for
+ which it returns @false) unlike tests of the form <code>GetStyle() ==
+ wxBRUSHSTYLE_TRANSPARENT</code> which would assert if the brush is
+ invalid.
+
+ @see IsNonTransparent()
+
+ @since 2.9.2.
+ */
+ bool IsTransparent() const;
+
+
//@{
/**
Sets the brush colour using red, green and blue values.