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 // Copyright:   (c) Stefan Csomor
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/pen.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/utils.h"
  17 #endif
  18
  19 IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
  20
  21 class WXDLLEXPORT wxPenRefData : public wxGDIRefData
  22 {
  23 public:
  24     wxPenRefData();
  25     wxPenRefData(const wxPenRefData& data);
  26     virtual ~wxPenRefData();
  27
  28     wxPenRefData& operator=(const wxPenRefData& data);
  29
  30     bool operator==(const wxPenRefData& data) const
  31     {
  32         // we intentionally don't compare m_hPen fields here
  33         return m_style == data.m_style &&
  34             m_width == data.m_width &&
  35             m_join == data.m_join &&
  36             m_cap == data.m_cap &&
  37             m_colour == data.m_colour &&
  38             (m_style != wxPENSTYLE_STIPPLE || m_stipple.IsSameAs(data.m_stipple)) &&
  39             (m_style != wxPENSTYLE_USER_DASH ||
  40              (m_nbDash == data.m_nbDash &&
  41               memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
  42     }
  43
  44 protected:
  45     int           m_width;
  46     wxPenStyle    m_style;
  47     wxPenJoin     m_join ;
  48     wxPenCap      m_cap ;
  49     wxBitmap      m_stipple ;
  50     int           m_nbDash ;
  51     wxDash *      m_dash ;
  52     wxColour      m_colour;
  53     /* TODO: implementation
  54        WXHPEN        m_hPen;
  55        */
  56
  57     friend class WXDLLIMPEXP_FWD_CORE wxPen;
  58 };
  59
  60 wxPenRefData::wxPenRefData()
  61 {
  62     m_style = wxPENSTYLE_SOLID;
  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, wxPenStyle 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 #if FUTURE_WXWIN_COMPATIBILITY_3_0
 115 wxPen::wxPen(const wxColour& col, int Width, int Style)
 116 {
 117     m_refData = new wxPenRefData;
 118
 119     M_PENDATA->m_colour = col;
 120     M_PENDATA->m_width = Width;
 121     M_PENDATA->m_style = (wxPenStyle)Style;
 122     M_PENDATA->m_join = wxJOIN_ROUND ;
 123     M_PENDATA->m_cap = wxCAP_ROUND ;
 124     M_PENDATA->m_nbDash = 0 ;
 125     M_PENDATA->m_dash = 0 ;
 126
 127     RealizeResource();
 128 }
 129 #endif
 130
 131 wxPen::wxPen(const wxBitmap& stipple, int Width)
 132 {
 133     m_refData = new wxPenRefData;
 134
 135     M_PENDATA->m_stipple = stipple;
 136     M_PENDATA->m_width = Width;
 137     M_PENDATA->m_style = wxPENSTYLE_STIPPLE;
 138     M_PENDATA->m_join = wxJOIN_ROUND ;
 139     M_PENDATA->m_cap = wxCAP_ROUND ;
 140     M_PENDATA->m_nbDash = 0 ;
 141     M_PENDATA->m_dash = 0 ;
 142
 143     RealizeResource();
 144 }
 145
 146 wxGDIRefData *wxPen::CreateGDIRefData() const
 147 {
 148     return new wxPenRefData;
 149 }
 150
 151 wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const
 152 {
 153     return new wxPenRefData(*static_cast<const wxPenRefData *>(data));
 154 }
 155
 156 bool wxPen::operator==(const wxPen& pen) const
 157 {
 158     const wxPenRefData *penData = (wxPenRefData *)pen.m_refData;
 159
 160     // an invalid pen is only equal to another invalid pen
 161     return m_refData ? penData && *M_PENDATA == *penData : !penData;
 162 }
 163
 164 wxColour wxPen::GetColour() const
 165 {
 166     wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid pen") );
 167
 168     return M_PENDATA->m_colour;
 169 }
 170
 171 int wxPen::GetWidth() const
 172 {
 173     wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
 174
 175     return M_PENDATA->m_width;
 176 }
 177
 178 wxPenStyle wxPen::GetStyle() const
 179 {
 180     wxCHECK_MSG( IsOk(), wxPENSTYLE_INVALID, wxT("invalid pen") );
 181
 182     return M_PENDATA->m_style;
 183 }
 184
 185 wxPenJoin wxPen::GetJoin() const
 186 {
 187     wxCHECK_MSG( IsOk(), wxJOIN_INVALID, wxT("invalid pen") );
 188
 189     return M_PENDATA->m_join;
 190 }
 191
 192 wxPenCap wxPen::GetCap() const
 193 {
 194     wxCHECK_MSG( IsOk(), wxCAP_INVALID, wxT("invalid pen") );
 195
 196     return M_PENDATA->m_cap;
 197 }
 198
 199 int wxPen::GetDashes(wxDash **ptr) const
 200 {
 201     wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
 202
 203     *ptr = M_PENDATA->m_dash;
 204     return M_PENDATA->m_nbDash;
 205 }
 206
 207 int wxPen::GetDashCount() const
 208 {
 209     return M_PENDATA->m_nbDash;
 210 }
 211
 212 wxBitmap *wxPen::GetStipple() const
 213 {
 214     wxCHECK_MSG( IsOk(), NULL, wxT("invalid pen") );
 215
 216     return &M_PENDATA->m_stipple;
 217 }
 218
 219 void wxPen::Unshare()
 220 {
 221     // Don't change shared data
 222     if (!m_refData)
 223     {
 224         m_refData = new wxPenRefData();
 225     }
 226     else
 227     {
 228         wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
 229         UnRef();
 230         m_refData = ref;
 231     }
 232 }
 233
 234 void wxPen::SetColour(const wxColour& col)
 235 {
 236     Unshare();
 237
 238     M_PENDATA->m_colour = col;
 239
 240     RealizeResource();
 241 }
 242
 243 void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
 244 {
 245     Unshare();
 246
 247     M_PENDATA->m_colour.Set(r, g, b);
 248
 249     RealizeResource();
 250 }
 251
 252 void wxPen::SetWidth(int Width)
 253 {
 254     Unshare();
 255
 256     M_PENDATA->m_width = Width;
 257
 258     RealizeResource();
 259 }
 260
 261 void wxPen::SetStyle(wxPenStyle Style)
 262 {
 263     Unshare();
 264
 265     M_PENDATA->m_style = Style;
 266
 267     RealizeResource();
 268 }
 269
 270 void wxPen::SetStipple(const wxBitmap& Stipple)
 271 {
 272     Unshare();
 273
 274     M_PENDATA->m_stipple = Stipple;
 275     M_PENDATA->m_style = wxPENSTYLE_STIPPLE;
 276
 277     RealizeResource();
 278 }
 279
 280 void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
 281 {
 282     Unshare();
 283
 284     M_PENDATA->m_nbDash = nb_dashes;
 285     M_PENDATA->m_dash = (wxDash *)Dash;
 286
 287     RealizeResource();
 288 }
 289
 290 void wxPen::SetJoin(wxPenJoin Join)
 291 {
 292     Unshare();
 293
 294     M_PENDATA->m_join = Join;
 295
 296     RealizeResource();
 297 }
 298
 299 void wxPen::SetCap(wxPenCap Cap)
 300 {
 301     Unshare();
 302
 303     M_PENDATA->m_cap = Cap;
 304
 305     RealizeResource();
 306 }
 307
 308 bool wxPen::RealizeResource()
 309 {
 310     // nothing to do here for mac
 311     return true;
 312 }