// Purpose: interface of wxBrush
// Author: wxWidgets team
// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/**
/**< Transparent (no fill). */
wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE = wxSTIPPLE_MASK_OPAQUE,
- /**< @todo WHAT's THIS?? */
+ /**< Uses a bitmap as a stipple; the mask is used for blitting monochrome
+ using text foreground and background colors. */
wxBRUSHSTYLE_STIPPLE_MASK = wxSTIPPLE_MASK,
- /**< @todo WHAT's THIS?? */
+ /**< Uses a bitmap as a stipple; mask is used for masking areas in the
+ stipple bitmap. */
wxBRUSHSTYLE_STIPPLE = wxSTIPPLE,
/**< Uses a bitmap as a stipple. */
/**
@class wxBrush
- @wxheader{brush.h}
A brush is a drawing tool for filling in areas. It is used for painting
the background of rectangles, ellipses, etc. It has a colour and a style.
@category{gdi}
@stdobjects
- ::wxNullBrush, ::wxBLUE_BRUSH, ::wxGREEN_BRUSH, ::wxWHITE_BRUSH,
- ::wxBLACK_BRUSH, ::wxGREY_BRUSH, ::wxMEDIUM_GREY_BRUSH, ::wxLIGHT_GREY_BRUSH,
- ::wxTRANSPARENT_BRUSH, ::wxCYAN_BRUSH, ::wxRED_BRUSH
+ @li ::wxNullBrush
+ @li ::wxBLACK_BRUSH
+ @li ::wxBLUE_BRUSH
+ @li ::wxCYAN_BRUSH
+ @li ::wxGREEN_BRUSH
+ @li ::wxYELLOW_BRUSH
+ @li ::wxGREY_BRUSH
+ @li ::wxLIGHT_GREY_BRUSH
+ @li ::wxMEDIUM_GREY_BRUSH
+ @li ::wxRED_BRUSH
+ @li ::wxTRANSPARENT_BRUSH
+ @li ::wxWHITE_BRUSH
@see wxBrushList, wxDC, wxDC::SetBrush
*/
/**
Constructs a stippled brush using a bitmap.
- The brush style will be set to wxBRUSHSTYLE_STIPPLE.
+ The brush style will be set to @c wxBRUSHSTYLE_STIPPLE.
*/
wxBrush(const wxBitmap& stippleBitmap);
virtual wxColour GetColour() const;
/**
- Gets a pointer to the stipple bitmap. If the brush does not have a wxBRUSHSTYLE_STIPPLE
+ Gets a pointer to the stipple bitmap. If the brush does not have a @c wxBRUSHSTYLE_STIPPLE
style, this bitmap may be non-@NULL but uninitialised (i.e. wxBitmap:IsOk() returns @false).
@see SetStipple()
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.
*/
- bool IsOk() const;
+ 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;
+
//@{
/**
@see GetColour()
*/
- virtual void SetColour(wxColour& colour);
+ virtual void SetColour(const wxColour& colour);
virtual void SetColour(unsigned char red, unsigned char green, unsigned char blue);
//@}
@param bitmap
The bitmap to use for stippling.
- @remarks The style will be set to wxBRUSHSTYLE_STIPPLE, unless the bitmap
+ @remarks The style will be set to @c wxBRUSHSTYLE_STIPPLE, unless the bitmap
has a mask associated to it, in which case the style will be set
- to wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE.
+ to @c wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE.
@see wxBitmap
*/
/**
An empty brush.
+ wxBrush::IsOk() always returns @false for this object.
*/
wxBrush wxNullBrush;
/**
Blue brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxBLUE_BRUSH;
/**
Green brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxGREEN_BRUSH;
+/**
+ Yellow brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
+*/
+wxBrush* wxYELLOW_BRUSH;
+
/**
White brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxWHITE_BRUSH;
/**
Black brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxBLACK_BRUSH;
/**
Grey brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxGREY_BRUSH;
/**
Medium grey brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxMEDIUM_GREY_BRUSH;
/**
Light grey brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxLIGHT_GREY_BRUSH;
/**
Transparent brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxTRANSPARENT_BRUSH;
/**
Cyan brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxCYAN_BRUSH;
/**
Red brush.
+ Except for the color it has all standard attributes
+ (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
*/
wxBrush* wxRED_BRUSH;
/**
@class wxBrushList
- @wxheader{gdicmn.h}
A brush list is a list containing all brushes which have been created.
projects / wxWidgets.git / blobdiff