include/wx/brush.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/brush.h
   3 // Purpose:     Includes platform-specific wxBrush file
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:
   7 // RCS-ID:      $Id$
   8 // Copyright:   Julian Smart
   9 // Licence:     wxWindows Licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_BRUSH_H_BASE_
  13 #define _WX_BRUSH_H_BASE_
  14
  15 #include "wx/defs.h"
  16 #include "wx/object.h"
  17 #include "wx/gdiobj.h"
  18 #include "wx/gdicmn.h"      // for wxGDIObjListBase
  19
  20 // NOTE: these values cannot be combined together!
  21 enum wxBrushStyle
  22 {
  23     wxBRUSHSTYLE_INVALID = -1,
  24
  25     wxBRUSHSTYLE_SOLID = wxSOLID,
  26     wxBRUSHSTYLE_TRANSPARENT = wxTRANSPARENT,
  27     wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE = wxSTIPPLE_MASK_OPAQUE,
  28     wxBRUSHSTYLE_STIPPLE_MASK = wxSTIPPLE_MASK,
  29     wxBRUSHSTYLE_STIPPLE = wxSTIPPLE,
  30     wxBRUSHSTYLE_BDIAGONAL_HATCH = wxBDIAGONAL_HATCH,
  31     wxBRUSHSTYLE_CROSSDIAG_HATCH = wxCROSSDIAG_HATCH,
  32     wxBRUSHSTYLE_FDIAGONAL_HATCH = wxFDIAGONAL_HATCH,
  33     wxBRUSHSTYLE_CROSS_HATCH = wxCROSS_HATCH,
  34     wxBRUSHSTYLE_HORIZONTAL_HATCH = wxHORIZONTAL_HATCH,
  35     wxBRUSHSTYLE_VERTICAL_HATCH = wxVERTICAL_HATCH,
  36     wxBRUSHSTYLE_FIRST_HATCH = wxFIRST_HATCH,
  37     wxBRUSHSTYLE_LAST_HATCH = wxLAST_HATCH
  38 };
  39
  40
  41 // wxBrushBase
  42 class WXDLLIMPEXP_CORE wxBrushBase: public wxGDIObject
  43 {
  44 public:
  45     virtual ~wxBrushBase() { }
  46
  47     virtual void SetColour(const wxColour& col) = 0;
  48     virtual void SetColour(unsigned char r, unsigned char g, unsigned char b) = 0;
  49     virtual void SetStyle(wxBrushStyle style) = 0;
  50     virtual void SetStipple(const wxBitmap& stipple) = 0;
  51
  52     virtual wxColour GetColour() const = 0;
  53     virtual wxBrushStyle GetStyle() const = 0;
  54     virtual wxBitmap *GetStipple() const = 0;
  55
  56     virtual bool IsHatch() const
  57         { return (GetStyle()>=wxBRUSHSTYLE_FIRST_HATCH) && (GetStyle()<=wxBRUSHSTYLE_LAST_HATCH); }
  58
  59     // Convenient helpers for testing whether the brush is a transparent one:
  60     // unlike GetStyle() == wxBRUSHSTYLE_TRANSPARENT, they work correctly even
  61     // if the brush is invalid (they both return false in this case).
  62     bool IsTransparent() const
  63     {
  64         return IsOk() && GetStyle() == wxBRUSHSTYLE_TRANSPARENT;
  65     }
  66
  67     bool IsNonTransparent() const
  68     {
  69         return IsOk() && GetStyle() != wxBRUSHSTYLE_TRANSPARENT;
  70     }
  71 };
  72
  73 #if defined(__WXMSW__)
  74     #include "wx/msw/brush.h"
  75 #elif defined(__WXMOTIF__) || defined(__WXX11__)
  76     #include "wx/x11/brush.h"
  77 #elif defined(__WXGTK20__)
  78     #include "wx/gtk/brush.h"
  79 #elif defined(__WXGTK__)
  80     #include "wx/gtk1/brush.h"
  81 #elif defined(__WXDFB__)
  82     #include "wx/dfb/brush.h"
  83 #elif defined(__WXMAC__)
  84     #include "wx/osx/brush.h"
  85 #elif defined(__WXCOCOA__)
  86     #include "wx/cocoa/brush.h"
  87 #elif defined(__WXPM__)
  88     #include "wx/os2/brush.h"
  89 #endif
  90
  91 class WXDLLIMPEXP_CORE wxBrushList: public wxGDIObjListBase
  92 {
  93 public:
  94     wxBrush *FindOrCreateBrush(const wxColour& colour,
  95                                wxBrushStyle style = wxBRUSHSTYLE_SOLID);
  96
  97 #if FUTURE_WXWIN_COMPATIBILITY_3_0
  98     wxBrush *FindOrCreateBrush(const wxColour& colour, int style)
  99         { return FindOrCreateBrush(colour, (wxBrushStyle)style); }
 100 #endif
 101
 102 #if WXWIN_COMPATIBILITY_2_6
 103     wxDEPRECATED( void AddBrush(wxBrush*) );
 104     wxDEPRECATED( void RemoveBrush(wxBrush*) );
 105 #endif
 106 };
 107
 108 extern WXDLLIMPEXP_DATA_CORE(wxBrushList*)   wxTheBrushList;
 109
 110 // provide comparison operators to allow code such as
 111 //
 112 //      if ( brush.GetStyle() == wxTRANSPARENT )
 113 //
 114 // to compile without warnings which it would otherwise provoke from some
 115 // compilers as it compares elements of different enums
 116 #if FUTURE_WXWIN_COMPATIBILITY_3_0
 117
 118 // Unfortunately some compilers have ambiguity issues when enum comparisons are
 119 // overloaded so we have to disable the overloads in this case, see
 120 // wxCOMPILER_NO_OVERLOAD_ON_ENUM definition in wx/platform.h for more details.
 121 #ifndef wxCOMPILER_NO_OVERLOAD_ON_ENUM
 122
 123 inline bool operator==(wxBrushStyle s, wxDeprecatedGUIConstants t)
 124 {
 125     return static_cast<int>(s) == static_cast<int>(t);
 126 }
 127
 128 inline bool operator!=(wxBrushStyle s, wxDeprecatedGUIConstants t)
 129 {
 130     return !(s == t);
 131 }
 132
 133 #endif // wxCOMPILER_NO_OVERLOAD_ON_ENUM
 134
 135 #endif // FUTURE_WXWIN_COMPATIBILITY_3_0
 136
 137 #endif // _WX_BRUSH_H_BASE_