src/gtk/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/pen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Copyright:   (c) 1998 Robert Roebling
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 // For compilers that support precompilation, includes "wx.h".
  10 #include "wx/wxprec.h"
  11
  12 #include "wx/pen.h"
  13
  14 #ifndef WX_PRECOMP
  15     #include "wx/colour.h"
  16 #endif
  17
  18 #include <gdk/gdk.h>
  19
  20 //-----------------------------------------------------------------------------
  21 // wxPen
  22 //-----------------------------------------------------------------------------
  23
  24 class wxPenRefData: public wxGDIRefData
  25 {
  26 public:
  27     wxPenRefData()
  28     {
  29         m_width = 1;
  30         m_style = wxPENSTYLE_SOLID;
  31         m_joinStyle = wxJOIN_ROUND;
  32         m_capStyle = wxCAP_ROUND;
  33         m_dash = NULL;
  34         m_countDashes = 0;
  35     }
  36
  37     wxPenRefData( const wxPenRefData& data )
  38         : wxGDIRefData()
  39     {
  40         m_style = data.m_style;
  41         m_width = data.m_width;
  42         m_joinStyle = data.m_joinStyle;
  43         m_capStyle = data.m_capStyle;
  44         m_colour = data.m_colour;
  45         m_countDashes = data.m_countDashes;
  46         m_dash = data.m_dash;
  47     }
  48
  49     bool operator == (const wxPenRefData& data) const
  50     {
  51         if ( m_countDashes != data.m_countDashes )
  52             return false;
  53
  54         if ( m_dash )
  55         {
  56             if ( !data.m_dash ||
  57                  memcmp(m_dash, data.m_dash, m_countDashes*sizeof(wxGTKDash)) )
  58             {
  59                 return false;
  60             }
  61         }
  62         else if ( data.m_dash )
  63         {
  64             return false;
  65         }
  66
  67
  68         return m_style == data.m_style &&
  69                m_width == data.m_width &&
  70                m_joinStyle == data.m_joinStyle &&
  71                m_capStyle == data.m_capStyle &&
  72                m_colour == data.m_colour;
  73     }
  74
  75     int        m_width;
  76     wxPenStyle m_style;
  77     wxPenJoin  m_joinStyle;
  78     wxPenCap   m_capStyle;
  79     wxColour   m_colour;
  80     int        m_countDashes;
  81     wxGTKDash *m_dash;
  82 };
  83
  84 //-----------------------------------------------------------------------------
  85
  86 #define M_PENDATA ((wxPenRefData *)m_refData)
  87
  88 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  89
  90 wxPen::wxPen( const wxColour &colour, int width, wxPenStyle style )
  91 {
  92     m_refData = new wxPenRefData();
  93     M_PENDATA->m_width = width;
  94     M_PENDATA->m_style = style;
  95     M_PENDATA->m_colour = colour;
  96 }
  97
  98 #if FUTURE_WXWIN_COMPATIBILITY_3_0
  99 wxPen::wxPen(const wxColour& colour, int width, int style)
 100 {
 101     m_refData = new wxPenRefData();
 102     M_PENDATA->m_width = width;
 103     M_PENDATA->m_style = (wxPenStyle)style;
 104     M_PENDATA->m_colour = colour;
 105 }
 106 #endif
 107
 108 wxPen::~wxPen()
 109 {
 110     // m_refData unrefed in ~wxObject
 111 }
 112
 113 wxGDIRefData *wxPen::CreateGDIRefData() const
 114 {
 115     return new wxPenRefData;
 116 }
 117
 118 wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const
 119 {
 120     return new wxPenRefData(*(wxPenRefData *)data);
 121 }
 122
 123 bool wxPen::operator == ( const wxPen& pen ) const
 124 {
 125     if (m_refData == pen.m_refData) return true;
 126
 127     if (!m_refData || !pen.m_refData) return false;
 128
 129     return ( *(wxPenRefData*)m_refData == *(wxPenRefData*)pen.m_refData );
 130 }
 131
 132 void wxPen::SetColour( const wxColour &colour )
 133 {
 134     AllocExclusive();
 135
 136     M_PENDATA->m_colour = colour;
 137 }
 138
 139 void wxPen::SetDashes( int number_of_dashes, const wxDash *dash )
 140 {
 141     AllocExclusive();
 142
 143     M_PENDATA->m_countDashes = number_of_dashes;
 144     M_PENDATA->m_dash = (wxGTKDash *)dash;
 145 }
 146
 147 void wxPen::SetColour( unsigned char red, unsigned char green, unsigned char blue )
 148 {
 149     AllocExclusive();
 150
 151     M_PENDATA->m_colour.Set( red, green, blue );
 152 }
 153
 154 void wxPen::SetCap( wxPenCap capStyle )
 155 {
 156     AllocExclusive();
 157
 158     M_PENDATA->m_capStyle = capStyle;
 159 }
 160
 161 void wxPen::SetJoin( wxPenJoin joinStyle )
 162 {
 163     AllocExclusive();
 164
 165     M_PENDATA->m_joinStyle = joinStyle;
 166 }
 167
 168 void wxPen::SetStyle( wxPenStyle style )
 169 {
 170     AllocExclusive();
 171
 172     M_PENDATA->m_style = style;
 173 }
 174
 175 void wxPen::SetWidth( int width )
 176 {
 177     AllocExclusive();
 178
 179     M_PENDATA->m_width = width;
 180 }
 181
 182 int wxPen::GetDashes( wxDash **ptr ) const
 183 {
 184     wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
 185
 186      *ptr = (wxDash*)M_PENDATA->m_dash;
 187      return M_PENDATA->m_countDashes;
 188 }
 189
 190 int wxPen::GetDashCount() const
 191 {
 192     wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
 193
 194     return (M_PENDATA->m_countDashes);
 195 }
 196
 197 wxDash* wxPen::GetDash() const
 198 {
 199     wxCHECK_MSG( IsOk(), NULL, wxT("invalid pen") );
 200
 201     return (wxDash*)M_PENDATA->m_dash;
 202 }
 203
 204 wxPenCap wxPen::GetCap() const
 205 {
 206     wxCHECK_MSG( IsOk(), wxCAP_INVALID, wxT("invalid pen") );
 207
 208     return M_PENDATA->m_capStyle;
 209 }
 210
 211 wxPenJoin wxPen::GetJoin() const
 212 {
 213     wxCHECK_MSG( IsOk(), wxJOIN_INVALID, wxT("invalid pen") );
 214
 215     return M_PENDATA->m_joinStyle;
 216 }
 217
 218 wxPenStyle wxPen::GetStyle() const
 219 {
 220     wxCHECK_MSG( IsOk(), wxPENSTYLE_INVALID, wxT("invalid pen") );
 221
 222     return M_PENDATA->m_style;
 223 }
 224
 225 int wxPen::GetWidth() const
 226 {
 227     wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
 228
 229     return M_PENDATA->m_width;
 230 }
 231
 232 wxColour wxPen::GetColour() const
 233 {
 234     wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid pen") );
 235
 236     return M_PENDATA->m_colour;
 237 }
 238
 239 // stippled pens are not supported by wxGTK
 240 void wxPen::SetStipple(const wxBitmap& WXUNUSED(stipple))
 241 {
 242     wxFAIL_MSG( "stippled pens not supported" );
 243 }
 244
 245 wxBitmap *wxPen::GetStipple() const
 246 {
 247     return NULL;
 248 }
 249