src/gtk/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        pen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "pen.h"
  13 #endif
  14
  15 #include "wx/pen.h"
  16
  17 #include <gdk/gdk.h>
  18
  19 //-----------------------------------------------------------------------------
  20 // wxPen
  21 //-----------------------------------------------------------------------------
  22
  23 class wxPenRefData: public wxObjectRefData
  24 {
  25 public:
  26
  27   wxPenRefData();
  28   wxPenRefData( const wxPenRefData& data );
  29
  30   int        m_width;
  31   int        m_style;
  32   int        m_joinStyle;
  33   int        m_capStyle;
  34   wxColour   m_colour;
  35   int        m_countDashes;
  36   wxGTKDash *m_dash;
  37 };
  38
  39 wxPenRefData::wxPenRefData()
  40 {
  41     m_width = 1;
  42     m_style = wxSOLID;
  43     m_joinStyle = wxJOIN_ROUND;
  44     m_capStyle = wxCAP_ROUND;
  45     m_dash = (wxGTKDash*) NULL;
  46     m_countDashes = 0;
  47 }
  48
  49 wxPenRefData::wxPenRefData( const wxPenRefData& data )
  50 {
  51     m_style = data.m_style;
  52     m_width = data.m_width;
  53     m_joinStyle = data.m_joinStyle;
  54     m_capStyle = data.m_capStyle;
  55     m_colour = data.m_colour;
  56     m_countDashes = data.m_countDashes;
  57 /*
  58     if (data.m_dash)  TODO
  59       m_dash = new
  60 */
  61     m_dash = data.m_dash;
  62 }
  63
  64 //-----------------------------------------------------------------------------
  65
  66 #define M_PENDATA ((wxPenRefData *)m_refData)
  67
  68 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  69
  70 wxPen::wxPen()
  71 {
  72 }
  73
  74 wxPen::wxPen( const wxColour &colour, int width, int style )
  75 {
  76     m_refData = new wxPenRefData();
  77     M_PENDATA->m_width = width;
  78     M_PENDATA->m_style = style;
  79     M_PENDATA->m_colour = colour;
  80 }
  81
  82 wxPen::wxPen( const wxPen& pen )
  83 {
  84     Ref( pen );
  85 }
  86
  87 wxPen::~wxPen()
  88 {
  89 }
  90
  91 wxPen& wxPen::operator = ( const wxPen& pen )
  92 {
  93     if ( m_refData != pen.m_refData )
  94         Ref( pen );
  95
  96     return *this;
  97 }
  98
  99 bool wxPen::operator == ( const wxPen& pen ) const
 100 {
 101     return m_refData == pen.m_refData;
 102 }
 103
 104 bool wxPen::operator != ( const wxPen& pen ) const
 105 {
 106     return m_refData != pen.m_refData;
 107 }
 108
 109 void wxPen::SetColour( const wxColour &colour )
 110 {
 111     Unshare();
 112     M_PENDATA->m_colour = colour;
 113 }
 114
 115 void wxPen::SetDashes( int number_of_dashes, const wxDash *dash )
 116 {
 117     Unshare();
 118     M_PENDATA->m_countDashes = number_of_dashes;
 119     M_PENDATA->m_dash = (wxGTKDash *)dash; /* TODO */
 120 }
 121
 122 void wxPen::SetColour( int red, int green, int blue )
 123 {
 124     Unshare();
 125     M_PENDATA->m_colour.Set( red, green, blue );
 126 }
 127
 128 void wxPen::SetCap( int capStyle )
 129 {
 130     Unshare();
 131     M_PENDATA->m_capStyle = capStyle;
 132 }
 133
 134 void wxPen::SetJoin( int joinStyle )
 135 {
 136     Unshare();
 137     M_PENDATA->m_joinStyle = joinStyle;
 138 }
 139
 140 void wxPen::SetStyle( int style )
 141 {
 142     Unshare();
 143     M_PENDATA->m_style = style;
 144 }
 145
 146 void wxPen::SetWidth( int width )
 147 {
 148     Unshare();
 149     M_PENDATA->m_width = width;
 150 }
 151
 152 int wxPen::GetDashes( wxDash **ptr ) const
 153 {
 154      *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
 155      return (M_PENDATA ? M_PENDATA->m_countDashes : 0);
 156 }
 157
 158 int wxPen::GetDashCount() const
 159 {
 160     return (M_PENDATA->m_countDashes);
 161 }
 162
 163 wxDash* wxPen::GetDash() const
 164 {
 165     return (wxDash*)M_PENDATA->m_dash;
 166 }
 167
 168 int wxPen::GetCap() const
 169 {
 170     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 171
 172     return M_PENDATA->m_capStyle;
 173 }
 174
 175 int wxPen::GetJoin() const
 176 {
 177     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 178
 179     return M_PENDATA->m_joinStyle;
 180 }
 181
 182 int wxPen::GetStyle() const
 183 {
 184     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 185
 186     return M_PENDATA->m_style;
 187 }
 188
 189 int wxPen::GetWidth() const
 190 {
 191     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 192
 193     return M_PENDATA->m_width;
 194 }
 195
 196 wxColour &wxPen::GetColour() const
 197 {
 198     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
 199
 200     return M_PENDATA->m_colour;
 201 }
 202
 203 bool wxPen::Ok() const
 204 {
 205     return (m_refData != NULL);
 206 }
 207
 208 void wxPen::Unshare()
 209 {
 210     if (!m_refData)
 211     {
 212         m_refData = new wxPenRefData();
 213     }
 214     else
 215     {
 216         wxPenRefData* ref = new wxPenRefData( *(wxPenRefData*)m_refData );
 217         UnRef();
 218         m_refData = ref;
 219     }
 220 }
 221