src/osx/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/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 public:
  25     wxPenRefData();
  26     wxPenRefData(const wxPenRefData& data);
  27     virtual ~wxPenRefData();
  28
  29     wxPenRefData& operator=(const wxPenRefData& data);
  30
  31     bool operator==(const wxPenRefData& data) const
  32     {
  33         // we intentionally don't compare m_hPen fields here
  34         return m_style == data.m_style &&
  35             m_width == data.m_width &&
  36             m_join == data.m_join &&
  37             m_cap == data.m_cap &&
  38             m_colour == data.m_colour &&
  39             (m_style != wxPENSTYLE_STIPPLE || m_stipple.IsSameAs(data.m_stipple)) &&
  40             (m_style != wxPENSTYLE_USER_DASH ||
  41              (m_nbDash == data.m_nbDash &&
  42               memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
  43     }
  44
  45 protected:
  46     int           m_width;
  47     wxPenStyle    m_style;
  48     wxPenJoin     m_join ;
  49     wxPenCap      m_cap ;
  50     wxBitmap      m_stipple ;
  51     int           m_nbDash ;
  52     wxDash *      m_dash ;
  53     wxColour      m_colour;
  54     /* TODO: implementation
  55        WXHPEN        m_hPen;
  56        */
  57
  58     friend class WXDLLIMPEXP_FWD_CORE wxPen;
  59 };
  60
  61 wxPenRefData::wxPenRefData()
  62 {
  63     m_style = wxPENSTYLE_SOLID;
  64     m_width = 1;
  65     m_join = wxJOIN_ROUND ;
  66     m_cap = wxCAP_ROUND ;
  67     m_nbDash = 0 ;
  68     m_dash = 0 ;
  69 }
  70
  71 wxPenRefData::wxPenRefData(const wxPenRefData& data)
  72 : wxGDIRefData()
  73 {
  74     m_style = data.m_style;
  75     m_width = data.m_width;
  76     m_join = data.m_join;
  77     m_cap = data.m_cap;
  78     m_nbDash = data.m_nbDash;
  79     m_dash = data.m_dash;
  80     m_colour = data.m_colour;
  81 }
  82
  83 wxPenRefData::~wxPenRefData()
  84 {
  85 }
  86
  87 // Pens
  88
  89 #define M_PENDATA ((wxPenRefData *)m_refData)
  90
  91 wxPen::wxPen()
  92 {
  93 }
  94
  95 wxPen::~wxPen()
  96 {
  97 }
  98
  99 // Should implement Create
 100 wxPen::wxPen(const wxColour& col, int Width, wxPenStyle Style)
 101 {
 102     m_refData = new wxPenRefData;
 103
 104     M_PENDATA->m_colour = col;
 105     M_PENDATA->m_width = Width;
 106     M_PENDATA->m_style = Style;
 107     M_PENDATA->m_join = wxJOIN_ROUND ;
 108     M_PENDATA->m_cap = wxCAP_ROUND ;
 109     M_PENDATA->m_nbDash = 0 ;
 110     M_PENDATA->m_dash = 0 ;
 111
 112     RealizeResource();
 113 }
 114
 115 #if FUTURE_WXWIN_COMPATIBILITY_3_0
 116 wxPen::wxPen(const wxColour& col, int Width, int Style)
 117 {
 118     m_refData = new wxPenRefData;
 119
 120     M_PENDATA->m_colour = col;
 121     M_PENDATA->m_width = Width;
 122     M_PENDATA->m_style = (wxPenStyle)Style;
 123     M_PENDATA->m_join = wxJOIN_ROUND ;
 124     M_PENDATA->m_cap = wxCAP_ROUND ;
 125     M_PENDATA->m_nbDash = 0 ;
 126     M_PENDATA->m_dash = 0 ;
 127
 128     RealizeResource();
 129 }
 130 #endif
 131
 132 wxPen::wxPen(const wxBitmap& stipple, int Width)
 133 {
 134     m_refData = new wxPenRefData;
 135
 136     M_PENDATA->m_stipple = stipple;
 137     M_PENDATA->m_width = Width;
 138     M_PENDATA->m_style = wxPENSTYLE_STIPPLE;
 139     M_PENDATA->m_join = wxJOIN_ROUND ;
 140     M_PENDATA->m_cap = wxCAP_ROUND ;
 141     M_PENDATA->m_nbDash = 0 ;
 142     M_PENDATA->m_dash = 0 ;
 143
 144     RealizeResource();
 145 }
 146
 147 wxGDIRefData *wxPen::CreateGDIRefData() const
 148 {
 149     return new wxPenRefData;
 150 }
 151
 152 wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const
 153 {
 154     return new wxPenRefData(*static_cast<const wxPenRefData *>(data));
 155 }
 156
 157 bool wxPen::operator==(const wxPen& pen) const
 158 {
 159     const wxPenRefData *penData = (wxPenRefData *)pen.m_refData;
 160
 161     // an invalid pen is only equal to another invalid pen
 162     return m_refData ? penData && *M_PENDATA == *penData : !penData;
 163 }
 164
 165 wxColour wxPen::GetColour() const
 166 {
 167     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
 168
 169     return M_PENDATA->m_colour;
 170 }
 171
 172 int wxPen::GetWidth() const
 173 {
 174     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 175
 176     return M_PENDATA->m_width;
 177 }
 178
 179 wxPenStyle wxPen::GetStyle() const
 180 {
 181     wxCHECK_MSG( Ok(), wxPENSTYLE_INVALID, wxT("invalid pen") );
 182
 183     return M_PENDATA->m_style;
 184 }
 185
 186 wxPenJoin wxPen::GetJoin() const
 187 {
 188     wxCHECK_MSG( Ok(), wxJOIN_INVALID, wxT("invalid pen") );
 189
 190     return M_PENDATA->m_join;
 191 }
 192
 193 wxPenCap wxPen::GetCap() const
 194 {
 195     wxCHECK_MSG( Ok(), wxCAP_INVALID, wxT("invalid pen") );
 196
 197     return M_PENDATA->m_cap;
 198 }
 199
 200 int wxPen::GetDashes(wxDash **ptr) const
 201 {
 202     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 203
 204     *ptr = M_PENDATA->m_dash;
 205     return M_PENDATA->m_nbDash;
 206 }
 207
 208 int wxPen::GetDashCount() const
 209 {
 210     return M_PENDATA->m_nbDash;
 211 }
 212
 213 wxBitmap *wxPen::GetStipple() const
 214 {
 215     wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") );
 216
 217     return &M_PENDATA->m_stipple;
 218 }
 219
 220 void wxPen::Unshare()
 221 {
 222     // Don't change shared data
 223     if (!m_refData)
 224     {
 225         m_refData = new wxPenRefData();
 226     }
 227     else
 228     {
 229         wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
 230         UnRef();
 231         m_refData = ref;
 232     }
 233 }
 234
 235 void wxPen::SetColour(const wxColour& col)
 236 {
 237     Unshare();
 238
 239     M_PENDATA->m_colour = col;
 240
 241     RealizeResource();
 242 }
 243
 244 void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
 245 {
 246     Unshare();
 247
 248     M_PENDATA->m_colour.Set(r, g, b);
 249
 250     RealizeResource();
 251 }
 252
 253 void wxPen::SetWidth(int Width)
 254 {
 255     Unshare();
 256
 257     M_PENDATA->m_width = Width;
 258
 259     RealizeResource();
 260 }
 261
 262 void wxPen::SetStyle(wxPenStyle Style)
 263 {
 264     Unshare();
 265
 266     M_PENDATA->m_style = Style;
 267
 268     RealizeResource();
 269 }
 270
 271 void wxPen::SetStipple(const wxBitmap& Stipple)
 272 {
 273     Unshare();
 274
 275     M_PENDATA->m_stipple = Stipple;
 276     M_PENDATA->m_style = wxPENSTYLE_STIPPLE;
 277
 278     RealizeResource();
 279 }
 280
 281 void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
 282 {
 283     Unshare();
 284
 285     M_PENDATA->m_nbDash = nb_dashes;
 286     M_PENDATA->m_dash = (wxDash *)Dash;
 287
 288     RealizeResource();
 289 }
 290
 291 void wxPen::SetJoin(wxPenJoin Join)
 292 {
 293     Unshare();
 294
 295     M_PENDATA->m_join = Join;
 296
 297     RealizeResource();
 298 }
 299
 300 void wxPen::SetCap(wxPenCap Cap)
 301 {
 302     Unshare();
 303
 304     M_PENDATA->m_cap = Cap;
 305
 306     RealizeResource();
 307 }
 308
 309 bool wxPen::RealizeResource()
 310 {
 311     // nothing to do here for mac
 312     return true;
 313 }