src/cocoa/brush.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/brush.mm
   3 // Purpose:     wxBrush
   4 // Author:      David Elliott <dfe@cox.net>
   5 // Modified by:
   6 // Created:     2003/07/03
   7 // Copyright:   (c) 2003 David Elliott
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/brush.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/utils.h"
  17     #include "wx/colour.h"
  18 #endif //WX_PRECOMP
  19
  20 #import <AppKit/NSColor.h>
  21
  22 class WXDLLEXPORT wxBrushRefData: public wxGDIRefData
  23 {
  24 public:
  25     wxBrushRefData(const wxColour& colour = wxNullColour,
  26                    wxBrushStyle style = wxBRUSHSTYLE_SOLID);
  27     wxBrushRefData(const wxBitmap& stipple);
  28     wxBrushRefData(const wxBrushRefData& data);
  29     virtual ~wxBrushRefData();
  30
  31     WX_NSColor GetNSColor();
  32     void Free();
  33
  34     bool operator==(const wxBrushRefData& data) const;
  35
  36     // accessors
  37     const wxColour& GetColour() const { return m_colour; }
  38     wxBrushStyle GetStyle() const { return m_style; }
  39     wxBitmap *GetStipple() { return &m_stipple; }
  40
  41     void SetColour(const wxColour& colour) { Free(); m_colour = colour; }
  42     void SetStyle(wxBrushStyle style) { Free(); m_style = style; }
  43     void SetStipple(const wxBitmap& stipple) { Free(); DoSetStipple(stipple); }
  44
  45 private:
  46     void DoSetStipple(const wxBitmap& stipple);
  47
  48     WX_NSColor    m_cocoaNSColor;
  49     wxBrushStyle  m_style;
  50     wxBitmap      m_stipple;
  51     wxColour      m_colour;
  52
  53     // no assignment operator, the objects of this class are shared and never
  54     // assigned after being created once
  55     wxBrushRefData& operator=(const wxBrushRefData&);
  56 };
  57
  58 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  59 IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)
  60
  61 wxBrushRefData::wxBrushRefData(const wxColour& colour, wxBrushStyle style)
  62 {
  63     m_cocoaNSColor = NULL;
  64     m_style = style;
  65     m_colour = colour;
  66 }
  67
  68 wxBrushRefData::wxBrushRefData(const wxBitmap& stipple)
  69 {
  70     m_cocoaNSColor = NULL;
  71     DoSetStipple(stipple);
  72 }
  73
  74 wxBrushRefData::wxBrushRefData(const wxBrushRefData& data)
  75 {
  76     m_cocoaNSColor = data.m_cocoaNSColor;
  77     [m_cocoaNSColor retain];
  78     m_style = data.m_style;
  79     m_stipple = data.m_stipple;
  80     m_colour = data.m_colour;
  81 }
  82
  83 wxBrushRefData::~wxBrushRefData()
  84 {
  85     Free();
  86 }
  87
  88 void wxBrushRefData::Free()
  89 {
  90     [m_cocoaNSColor release];
  91     m_cocoaNSColor = NULL;
  92 }
  93
  94 bool wxBrushRefData::operator==(const wxBrushRefData& data) const
  95 {
  96     // don't compare our NSColor
  97     return m_style == data.m_style &&
  98            m_colour == data.m_colour &&
  99            m_stipple.IsSameAs(data.m_stipple);
 100 }
 101
 102 void wxBrushRefData::DoSetStipple(const wxBitmap& stipple)
 103 {
 104     m_stipple = stipple;
 105     m_style = stipple.GetMask() ? wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE
 106                                 : wxBRUSHSTYLE_STIPPLE;
 107 }
 108
 109 WX_NSColor wxBrushRefData::GetNSColor()
 110 {
 111     if(!m_cocoaNSColor)
 112     {
 113         switch( m_style )
 114         {
 115         case wxTRANSPARENT:
 116             m_cocoaNSColor = [[NSColor clearColor] retain];
 117             break;
 118         case wxSTIPPLE:
 119 //  wxBitmap isn't implemented yet
 120 //            m_cocoaNSColor = [[NSColor colorWithPatternImage: m_stipple.GetNSImage()] retain];
 121 //            break;
 122         case wxSTIPPLE_MASK_OPAQUE:
 123             // This should be easy when wxBitmap works.
 124 //            break;
 125         // The hatch brushes are going to be tricky
 126         case wxBDIAGONAL_HATCH:
 127         case wxCROSSDIAG_HATCH:
 128         case wxFDIAGONAL_HATCH:
 129         case wxCROSS_HATCH:
 130         case wxHORIZONTAL_HATCH:
 131         case wxVERTICAL_HATCH:
 132         default:
 133         case wxSOLID:
 134             NSColor *colour_NSColor = m_colour.GetNSColor();
 135             if(!colour_NSColor)
 136                 colour_NSColor = [NSColor clearColor];
 137             m_cocoaNSColor = [colour_NSColor copyWithZone:nil];
 138             break;
 139         }
 140     }
 141     return m_cocoaNSColor;
 142 }
 143
 144 // Brushes
 145 wxBrush::wxBrush()
 146 {
 147 }
 148
 149 wxBrush::~wxBrush()
 150 {
 151 }
 152
 153 wxBrush::wxBrush(const wxColour& col, wxBrushStyle style)
 154 {
 155     m_refData = new wxBrushRefData(col, style);
 156 }
 157
 158 wxBrush::wxBrush(const wxColour& col, int style)
 159 {
 160     m_refData = new wxBrushRefData(col, (wxBrushStyle)style);
 161 }
 162
 163 wxBrush::wxBrush(const wxBitmap& stipple)
 164 {
 165     m_refData = new wxBrushRefData(stipple);
 166 }
 167
 168 wxGDIRefData *wxBrush::CreateGDIRefData() const
 169 {
 170     return new wxBrushRefData;
 171 }
 172
 173 wxGDIRefData *wxBrush::CloneGDIRefData(const wxGDIRefData *data) const
 174 {
 175     return new wxBrushRefData(*(wxBrushRefData *)data);
 176 }
 177
 178 void wxBrush::SetColour(const wxColour& col)
 179 {
 180     AllocExclusive();
 181     M_BRUSHDATA->SetColour(col);
 182 }
 183
 184 void wxBrush::SetColour(unsigned char r, unsigned char g, unsigned char b)
 185 {
 186     AllocExclusive();
 187     M_BRUSHDATA->SetColour(wxColour(r,g,b));
 188 }
 189
 190 void wxBrush::SetStyle(wxBrushStyle style)
 191 {
 192     AllocExclusive();
 193     M_BRUSHDATA->SetStyle(style);
 194 }
 195
 196 void wxBrush::SetStipple(const wxBitmap& stipple)
 197 {
 198     AllocExclusive();
 199     M_BRUSHDATA->SetStipple(stipple);
 200 }
 201
 202 wxColour wxBrush::GetColour() const
 203 {
 204     wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid brush") );
 205     return M_BRUSHDATA->GetColour();
 206 }
 207
 208 wxBrushStyle wxBrush::GetStyle() const
 209 {
 210     wxCHECK_MSG( IsOk(), wxBRUSHSTYLE_INVALID, wxT("invalid brush") );
 211     return M_BRUSHDATA->GetStyle();
 212 }
 213
 214 wxBitmap *wxBrush::GetStipple() const
 215 {
 216     wxCHECK_MSG( IsOk(), 0, wxT("invalid brush") );
 217     return M_BRUSHDATA->GetStipple();
 218 }
 219
 220 WX_NSColor wxBrush::GetNSColor()
 221 {
 222     if(!m_refData)
 223         return [NSColor clearColor];
 224     return M_BRUSHDATA->GetNSColor();
 225 }