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 != wxSTIPPLE || m_stipple.IsSameAs(data.m_stipple)) &&
  40             (m_style != wxUSER_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     int           m_style;
  48     int           m_join ;
  49     int           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 = wxSOLID;
  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, int 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 wxBitmap& stipple, int Width)
 116 {
 117     m_refData = new wxPenRefData;
 118
 119     M_PENDATA->m_stipple = stipple;
 120     M_PENDATA->m_width = Width;
 121     M_PENDATA->m_style = wxSTIPPLE;
 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 wxGDIRefData *wxPen::CreateGDIRefData() const
 131 {
 132     return new wxPenRefData;
 133 }
 134
 135 wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const
 136 {
 137     return new wxPenRefData(*wx_static_cast(const wxPenRefData *, data));
 138 }
 139
 140 bool wxPen::operator==(const wxPen& pen) const
 141 {
 142     const wxPenRefData *penData = (wxPenRefData *)pen.m_refData;
 143
 144     // an invalid pen is only equal to another invalid pen
 145     return m_refData ? penData && *M_PENDATA == *penData : !penData;
 146 }
 147
 148 wxColour& wxPen::GetColour() const
 149 {
 150     return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour);
 151 }
 152
 153 int wxPen::GetWidth() const
 154 {
 155     return (M_PENDATA ? M_PENDATA->m_width : 0);
 156 }
 157
 158 int wxPen::GetStyle() const
 159 {
 160     return (M_PENDATA ? M_PENDATA->m_style : 0);
 161 }
 162
 163 int wxPen::GetJoin() const
 164 {
 165     return (M_PENDATA ? M_PENDATA->m_join : 0);
 166 }
 167
 168 int wxPen::GetCap() const
 169 {
 170     return (M_PENDATA ? M_PENDATA->m_cap : 0);
 171 }
 172
 173 int wxPen::GetDashes(wxDash **ptr) const
 174 {
 175     *ptr = (M_PENDATA ? M_PENDATA->m_dash : (wxDash*) NULL); return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
 176 }
 177
 178 wxBitmap *wxPen::GetStipple() const
 179 {
 180     return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL);
 181 }
 182
 183 void wxPen::Unshare()
 184 {
 185     // Don't change shared data
 186     if (!m_refData)
 187     {
 188         m_refData = new wxPenRefData();
 189     }
 190     else
 191     {
 192         wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
 193         UnRef();
 194         m_refData = ref;
 195     }
 196 }
 197
 198 void wxPen::SetColour(const wxColour& col)
 199 {
 200     Unshare();
 201
 202     M_PENDATA->m_colour = col;
 203
 204     RealizeResource();
 205 }
 206
 207 void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
 208 {
 209     Unshare();
 210
 211     M_PENDATA->m_colour.Set(r, g, b);
 212
 213     RealizeResource();
 214 }
 215
 216 void wxPen::SetWidth(int Width)
 217 {
 218     Unshare();
 219
 220     M_PENDATA->m_width = Width;
 221
 222     RealizeResource();
 223 }
 224
 225 void wxPen::SetStyle(int Style)
 226 {
 227     Unshare();
 228
 229     M_PENDATA->m_style = Style;
 230
 231     RealizeResource();
 232 }
 233
 234 void wxPen::SetStipple(const wxBitmap& Stipple)
 235 {
 236     Unshare();
 237
 238     M_PENDATA->m_stipple = Stipple;
 239     M_PENDATA->m_style = wxSTIPPLE;
 240
 241     RealizeResource();
 242 }
 243
 244 void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
 245 {
 246     Unshare();
 247
 248     M_PENDATA->m_nbDash = nb_dashes;
 249     M_PENDATA->m_dash = (wxDash *)Dash;
 250
 251     RealizeResource();
 252 }
 253
 254 void wxPen::SetJoin(int Join)
 255 {
 256     Unshare();
 257
 258     M_PENDATA->m_join = Join;
 259
 260     RealizeResource();
 261 }
 262
 263 void wxPen::SetCap(int Cap)
 264 {
 265     Unshare();
 266
 267     M_PENDATA->m_cap = Cap;
 268
 269     RealizeResource();
 270 }
 271
 272 bool wxPen::RealizeResource()
 273 {
 274     // nothing to do here for mac
 275     return true;
 276 }