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 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 wxPen::wxPen(const wxColour& col, int Width, wxBrushStyle 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
 130 wxPen::wxPen(const wxBitmap& stipple, int Width)
 131 {
 132     m_refData = new wxPenRefData;
 133
 134     M_PENDATA->m_stipple = stipple;
 135     M_PENDATA->m_width = Width;
 136     M_PENDATA->m_style = wxPENSTYLE_STIPPLE;
 137     M_PENDATA->m_join = wxJOIN_ROUND ;
 138     M_PENDATA->m_cap = wxCAP_ROUND ;
 139     M_PENDATA->m_nbDash = 0 ;
 140     M_PENDATA->m_dash = 0 ;
 141
 142     RealizeResource();
 143 }
 144
 145 wxGDIRefData *wxPen::CreateGDIRefData() const
 146 {
 147     return new wxPenRefData;
 148 }
 149
 150 wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const
 151 {
 152     return new wxPenRefData(*wx_static_cast(const wxPenRefData *, data));
 153 }
 154
 155 bool wxPen::operator==(const wxPen& pen) const
 156 {
 157     const wxPenRefData *penData = (wxPenRefData *)pen.m_refData;
 158
 159     // an invalid pen is only equal to another invalid pen
 160     return m_refData ? penData && *M_PENDATA == *penData : !penData;
 161 }
 162
 163 wxColour& wxPen::GetColour() const
 164 {
 165     return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour);
 166 }
 167
 168 int wxPen::GetWidth() const
 169 {
 170     return (M_PENDATA ? M_PENDATA->m_width : 0);
 171 }
 172
 173 wxPenStyle wxPen::GetStyle() const
 174 {
 175     return (M_PENDATA ? M_PENDATA->m_style : 0);
 176 }
 177
 178 wxPenJoin wxPen::GetJoin() const
 179 {
 180     return (M_PENDATA ? M_PENDATA->m_join : 0);
 181 }
 182
 183 wxPenCap wxPen::GetCap() const
 184 {
 185     return (M_PENDATA ? M_PENDATA->m_cap : 0);
 186 }
 187
 188 int wxPen::GetDashes(wxDash **ptr) const
 189 {
 190     *ptr = (M_PENDATA ? M_PENDATA->m_dash : (wxDash*) NULL); return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
 191 }
 192
 193 wxBitmap *wxPen::GetStipple() const
 194 {
 195     return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL);
 196 }
 197
 198 void wxPen::Unshare()
 199 {
 200     // Don't change shared data
 201     if (!m_refData)
 202     {
 203         m_refData = new wxPenRefData();
 204     }
 205     else
 206     {
 207         wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
 208         UnRef();
 209         m_refData = ref;
 210     }
 211 }
 212
 213 void wxPen::SetColour(const wxColour& col)
 214 {
 215     Unshare();
 216
 217     M_PENDATA->m_colour = col;
 218
 219     RealizeResource();
 220 }
 221
 222 void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
 223 {
 224     Unshare();
 225
 226     M_PENDATA->m_colour.Set(r, g, b);
 227
 228     RealizeResource();
 229 }
 230
 231 void wxPen::SetWidth(int Width)
 232 {
 233     Unshare();
 234
 235     M_PENDATA->m_width = Width;
 236
 237     RealizeResource();
 238 }
 239
 240 void wxPen::SetStyle(wxPenStyle Style)
 241 {
 242     Unshare();
 243
 244     M_PENDATA->m_style = Style;
 245
 246     RealizeResource();
 247 }
 248
 249 void wxPen::SetStipple(const wxBitmap& Stipple)
 250 {
 251     Unshare();
 252
 253     M_PENDATA->m_stipple = Stipple;
 254     M_PENDATA->m_style = wxPENSTYLE_STIPPLE;
 255
 256     RealizeResource();
 257 }
 258
 259 void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
 260 {
 261     Unshare();
 262
 263     M_PENDATA->m_nbDash = nb_dashes;
 264     M_PENDATA->m_dash = (wxDash *)Dash;
 265
 266     RealizeResource();
 267 }
 268
 269 void wxPen::SetJoin(wxPenJoin Join)
 270 {
 271     Unshare();
 272
 273     M_PENDATA->m_join = Join;
 274
 275     RealizeResource();
 276 }
 277
 278 void wxPen::SetCap(wxPenCap Cap)
 279 {
 280     Unshare();
 281
 282     M_PENDATA->m_cap = Cap;
 283
 284     RealizeResource();
 285 }
 286
 287 bool wxPen::RealizeResource()
 288 {
 289     // nothing to do here for mac
 290     return true;
 291 }