src/mac/carbon/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/pen.cpp
   3 // Purpose:     wxPen
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/pen.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/utils.h"
  18 #endif
  19
  20 IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
  21
  22 class WXDLLEXPORT wxPenRefData: public wxGDIRefData
  23 {
  24     friend class WXDLLIMPEXP_FWD_CORE wxPen;
  25 public:
  26     wxPenRefData();
  27     wxPenRefData(const wxPenRefData& data);
  28     virtual ~wxPenRefData();
  29
  30     wxPenRefData& operator=(const wxPenRefData& data);
  31
  32     bool operator==(const wxPenRefData& data) const
  33     {
  34         // we intentionally don't compare m_hPen fields here
  35         return m_style == data.m_style &&
  36                m_width == data.m_width &&
  37                m_join == data.m_join &&
  38                m_cap == data.m_cap &&
  39                m_colour == data.m_colour &&
  40                (m_style != wxSTIPPLE || m_stipple.IsSameAs(data.m_stipple)) &&
  41                (m_style != wxUSER_DASH ||
  42                 (m_nbDash == data.m_nbDash &&
  43                     memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
  44     }
  45
  46 protected:
  47   int           m_width;
  48   int           m_style;
  49   int           m_join ;
  50   int           m_cap ;
  51   wxBitmap      m_stipple ;
  52   int           m_nbDash ;
  53   wxDash *      m_dash ;
  54   wxColour      m_colour;
  55 /* TODO: implementation
  56   WXHPEN        m_hPen;
  57 */
  58 };
  59
  60 wxPenRefData::wxPenRefData()
  61 {
  62     m_style = wxSOLID;
  63     m_width = 1;
  64     m_join = wxJOIN_ROUND ;
  65     m_cap = wxCAP_ROUND ;
  66     m_nbDash = 0 ;
  67     m_dash = 0 ;
  68 }
  69
  70 wxPenRefData::wxPenRefData(const wxPenRefData& data)
  71 : wxGDIRefData()
  72 {
  73     m_style = data.m_style;
  74     m_width = data.m_width;
  75     m_join = data.m_join;
  76     m_cap = data.m_cap;
  77     m_nbDash = data.m_nbDash;
  78     m_dash = data.m_dash;
  79     m_colour = data.m_colour;
  80 }
  81
  82 wxPenRefData::~wxPenRefData()
  83 {
  84 }
  85
  86 // Pens
  87
  88 #define M_PENDATA ((wxPenRefData *)m_refData)
  89
  90 wxPen::wxPen()
  91 {
  92 }
  93
  94 wxPen::~wxPen()
  95 {
  96 }
  97
  98 // Should implement Create
  99 wxPen::wxPen(const wxColour& col, int Width, int Style)
 100 {
 101     m_refData = new wxPenRefData;
 102
 103     M_PENDATA->m_colour = col;
 104     M_PENDATA->m_width = Width;
 105     M_PENDATA->m_style = Style;
 106     M_PENDATA->m_join = wxJOIN_ROUND ;
 107     M_PENDATA->m_cap = wxCAP_ROUND ;
 108     M_PENDATA->m_nbDash = 0 ;
 109     M_PENDATA->m_dash = 0 ;
 110
 111     RealizeResource();
 112 }
 113
 114 wxPen::wxPen(const wxBitmap& stipple, int Width)
 115 {
 116     m_refData = new wxPenRefData;
 117
 118     M_PENDATA->m_stipple = stipple;
 119     M_PENDATA->m_width = Width;
 120     M_PENDATA->m_style = wxSTIPPLE;
 121     M_PENDATA->m_join = wxJOIN_ROUND ;
 122     M_PENDATA->m_cap = wxCAP_ROUND ;
 123     M_PENDATA->m_nbDash = 0 ;
 124     M_PENDATA->m_dash = 0 ;
 125
 126     RealizeResource();
 127 }
 128
 129 bool wxPen::operator == (const wxPen& pen) const
 130 {
 131     const wxPenRefData *penData = (wxPenRefData *)pen.m_refData;
 132
 133     // an invalid pen is only equal to another invalid pen
 134     return m_refData ? penData && *M_PENDATA == *penData : !penData;
 135 }
 136
 137 wxColour& wxPen::GetColour() const
 138 {
 139     return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour);
 140 }
 141
 142 int wxPen::GetWidth() const
 143 {
 144     return (M_PENDATA ? M_PENDATA->m_width : 0);
 145 }
 146
 147 int wxPen::GetStyle() const
 148 {
 149     return (M_PENDATA ? M_PENDATA->m_style : 0);
 150 }
 151
 152 int wxPen::GetJoin() const
 153 {
 154     return (M_PENDATA ? M_PENDATA->m_join : 0);
 155 }
 156
 157 int wxPen::GetCap() const
 158 {
 159     return (M_PENDATA ? M_PENDATA->m_cap : 0);
 160 }
 161
 162 int wxPen::GetDashes(wxDash **ptr) const
 163 {
 164     *ptr = (M_PENDATA ? M_PENDATA->m_dash : (wxDash*) NULL); return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
 165 }
 166
 167 wxBitmap *wxPen::GetStipple() const
 168 {
 169     return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL);
 170 }
 171
 172 void wxPen::Unshare()
 173 {
 174     // Don't change shared data
 175     if (!m_refData)
 176     {
 177         m_refData = new wxPenRefData();
 178     }
 179     else
 180     {
 181         wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
 182         UnRef();
 183         m_refData = ref;
 184     }
 185 }
 186
 187 void wxPen::SetColour(const wxColour& col)
 188 {
 189     Unshare();
 190
 191     M_PENDATA->m_colour = col;
 192
 193     RealizeResource();
 194 }
 195
 196 void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
 197 {
 198     Unshare();
 199
 200     M_PENDATA->m_colour.Set(r, g, b);
 201
 202     RealizeResource();
 203 }
 204
 205 void wxPen::SetWidth(int Width)
 206 {
 207     Unshare();
 208
 209     M_PENDATA->m_width = Width;
 210
 211     RealizeResource();
 212 }
 213
 214 void wxPen::SetStyle(int Style)
 215 {
 216     Unshare();
 217
 218     M_PENDATA->m_style = Style;
 219
 220     RealizeResource();
 221 }
 222
 223 void wxPen::SetStipple(const wxBitmap& Stipple)
 224 {
 225     Unshare();
 226
 227     M_PENDATA->m_stipple = Stipple;
 228     M_PENDATA->m_style = wxSTIPPLE;
 229
 230     RealizeResource();
 231 }
 232
 233 void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
 234 {
 235     Unshare();
 236
 237     M_PENDATA->m_nbDash = nb_dashes;
 238     M_PENDATA->m_dash = (wxDash *)Dash;
 239
 240     RealizeResource();
 241 }
 242
 243 void wxPen::SetJoin(int Join)
 244 {
 245     Unshare();
 246
 247     M_PENDATA->m_join = Join;
 248
 249     RealizeResource();
 250 }
 251
 252 void wxPen::SetCap(int Cap)
 253 {
 254     Unshare();
 255
 256     M_PENDATA->m_cap = Cap;
 257
 258     RealizeResource();
 259 }
 260
 261 bool wxPen::RealizeResource()
 262 {
 263     // nothing to do here for mac
 264     return true;
 265 }