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 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/brush.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/utils.h"
  18     #include "wx/colour.h"
  19 #endif //WX_PRECOMP
  20
  21 #import <AppKit/NSColor.h>
  22
  23 class WXDLLEXPORT wxBrushRefData: public wxGDIRefData
  24 {
  25 public:
  26     wxBrushRefData(const wxColour& colour = wxNullColour,
  27                    wxBrushStyle style = wxBRUSHSTYLE_SOLID);
  28     wxBrushRefData(const wxBitmap& stipple);
  29     wxBrushRefData(const wxBrushRefData& data);
  30     virtual ~wxBrushRefData();
  31
  32     WX_NSColor GetNSColor();
  33     void Free();
  34
  35     bool operator==(const wxBrushRefData& data) const;
  36
  37     // accessors
  38     const wxColour& GetColour() const { return m_colour; }
  39     wxBrushStyle GetStyle() const { return m_style; }
  40     wxBitmap *GetStipple() { return &m_stipple; }
  41
  42     void SetColour(const wxColour& colour) { Free(); m_colour = colour; }
  43     void SetStyle(wxBrushStyle style) { Free(); m_style = style; }
  44     void SetStipple(const wxBitmap& stipple) { Free(); DoSetStipple(stipple); }
  45
  46 private:
  47     void DoSetStipple(const wxBitmap& stipple);
  48
  49     WX_NSColor    m_cocoaNSColor;
  50     wxBrushStyle  m_style;
  51     wxBitmap      m_stipple;
  52     wxColour      m_colour;
  53
  54     // no assignment operator, the objects of this class are shared and never
  55     // assigned after being created once
  56     wxBrushRefData& operator=(const wxBrushRefData&);
  57 };
  58
  59 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  60 IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)
  61
  62 wxBrushRefData::wxBrushRefData(const wxColour& colour, wxBrushStyle style)
  63 {
  64     m_cocoaNSColor = NULL;
  65     m_style = style;
  66     m_colour = colour;
  67 }
  68
  69 wxBrushRefData::wxBrushRefData(const wxBitmap& stipple)
  70 {
  71     m_cocoaNSColor = NULL;
  72     DoSetStipple(stipple);
  73 }
  74
  75 wxBrushRefData::wxBrushRefData(const wxBrushRefData& data)
  76 {
  77     m_cocoaNSColor = data.m_cocoaNSColor;
  78     [m_cocoaNSColor retain];
  79     m_style = data.m_style;
  80     m_stipple = data.m_stipple;
  81     m_colour = data.m_colour;
  82 }
  83
  84 wxBrushRefData::~wxBrushRefData()
  85 {
  86     Free();
  87 }
  88
  89 void wxBrushRefData::Free()
  90 {
  91     [m_cocoaNSColor release];
  92     m_cocoaNSColor = NULL;
  93 }
  94
  95 bool wxBrushRefData::operator==(const wxBrushRefData& data) const
  96 {
  97     // don't compare our NSColor
  98     return m_style == data.m_style &&
  99            m_colour == data.m_colour &&
 100            m_stipple.IsSameAs(data.m_stipple);
 101 }
 102
 103 void wxBrushRefData::DoSetStipple(const wxBitmap& stipple)
 104 {
 105     m_stipple = stipple;
 106     m_style = stipple.GetMask() ? wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE
 107                                 : wxBRUSHSTYLE_STIPPLE;
 108 }
 109
 110 WX_NSColor wxBrushRefData::GetNSColor()
 111 {
 112     if(!m_cocoaNSColor)
 113     {
 114         switch( m_style )
 115         {
 116         case wxTRANSPARENT:
 117             m_cocoaNSColor = [[NSColor clearColor] retain];
 118             break;
 119         case wxSTIPPLE:
 120 //  wxBitmap isn't implemented yet
 121 //            m_cocoaNSColor = [[NSColor colorWithPatternImage: m_stipple.GetNSImage()] retain];
 122 //            break;
 123         case wxSTIPPLE_MASK_OPAQUE:
 124             // This should be easy when wxBitmap works.
 125 //            break;
 126         // The hatch brushes are going to be tricky
 127         case wxBDIAGONAL_HATCH:
 128         case wxCROSSDIAG_HATCH:
 129         case wxFDIAGONAL_HATCH:
 130         case wxCROSS_HATCH:
 131         case wxHORIZONTAL_HATCH:
 132         case wxVERTICAL_HATCH:
 133         default:
 134         case wxSOLID:
 135             NSColor *colour_NSColor = m_colour.GetNSColor();
 136             if(!colour_NSColor)
 137                 colour_NSColor = [NSColor clearColor];
 138             m_cocoaNSColor = [colour_NSColor copyWithZone:nil];
 139             break;
 140         }
 141     }
 142     return m_cocoaNSColor;
 143 }
 144
 145 // Brushes
 146 wxBrush::wxBrush()
 147 {
 148 }
 149
 150 wxBrush::~wxBrush()
 151 {
 152 }
 153
 154 wxBrush::wxBrush(const wxColour& col, wxBrushStyle style)
 155 {
 156     m_refData = new wxBrushRefData(col, style);
 157 }
 158
 159 wxBrush::wxBrush(const wxColour& col, int style)
 160 {
 161     m_refData = new wxBrushRefData(col, (wxBrushStyle)style);
 162 }
 163
 164 wxBrush::wxBrush(const wxBitmap& stipple)
 165 {
 166     m_refData = new wxBrushRefData(stipple);
 167 }
 168
 169 wxGDIRefData *wxBrush::CreateGDIRefData() const
 170 {
 171     return new wxBrushRefData;
 172 }
 173
 174 wxGDIRefData *wxBrush::CloneGDIRefData(const wxGDIRefData *data) const
 175 {
 176     return new wxBrushRefData(*(wxBrushRefData *)data);
 177 }
 178
 179 void wxBrush::SetColour(const wxColour& col)
 180 {
 181     AllocExclusive();
 182     M_BRUSHDATA->SetColour(col);
 183 }
 184
 185 void wxBrush::SetColour(unsigned char r, unsigned char g, unsigned char b)
 186 {
 187     AllocExclusive();
 188     M_BRUSHDATA->SetColour(wxColour(r,g,b));
 189 }
 190
 191 void wxBrush::SetStyle(wxBrushStyle style)
 192 {
 193     AllocExclusive();
 194     M_BRUSHDATA->SetStyle(style);
 195 }
 196
 197 void wxBrush::SetStipple(const wxBitmap& stipple)
 198 {
 199     AllocExclusive();
 200     M_BRUSHDATA->SetStipple(stipple);
 201 }
 202
 203 wxColour wxBrush::GetColour() const
 204 {
 205     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid brush") );
 206     return M_BRUSHDATA->GetColour();
 207 }
 208
 209 wxBrushStyle wxBrush::GetStyle() const
 210 {
 211     wxCHECK_MSG( Ok(), wxBRUSHSTYLE_INVALID, wxT("invalid brush") );
 212     return M_BRUSHDATA->GetStyle();
 213 }
 214
 215 wxBitmap *wxBrush::GetStipple() const
 216 {
 217     wxCHECK_MSG( Ok(), 0, wxT("invalid brush") );
 218     return M_BRUSHDATA->GetStipple();
 219 }
 220
 221 WX_NSColor wxBrush::GetNSColor()
 222 {
 223     if(!m_refData)
 224         return [NSColor clearColor];
 225     return M_BRUSHDATA->GetNSColor();
 226 }