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 //-----------------------------------------------------------------------------
  18 // wxPen
  19 //-----------------------------------------------------------------------------
  20
  21 class wxPenRefData: public wxObjectRefData
  22 {
  23   public:
  24
  25     wxPenRefData(void);
  26     wxPenRefData(const wxPenRefData& data);
  27
  28     int        m_width;
  29     int        m_style;
  30     int        m_joinStyle;
  31     int        m_capStyle;
  32     wxColour   m_colour;
  33 };
  34
  35 wxPenRefData::wxPenRefData(void)
  36 {
  37   m_width = 1;
  38   m_style = wxSOLID;
  39   m_joinStyle = wxJOIN_ROUND;
  40   m_capStyle = wxCAP_ROUND;
  41 }
  42
  43 wxPenRefData::wxPenRefData( const wxPenRefData& data )
  44 {
  45   m_style = data.m_style;
  46   m_width = data.m_width;
  47   m_joinStyle = data.m_joinStyle;
  48   m_capStyle = data.m_capStyle;
  49   m_colour = data.m_colour;
  50 }
  51
  52 //-----------------------------------------------------------------------------
  53
  54 #define M_PENDATA ((wxPenRefData *)m_refData)
  55
  56 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  57
  58 wxPen::wxPen(void)
  59 {
  60   if (wxThePenList) wxThePenList->AddPen( this );
  61 }
  62
  63 wxPen::wxPen( const wxColour &colour, int width, int style )
  64 {
  65   m_refData = new wxPenRefData();
  66   M_PENDATA->m_width = width;
  67   M_PENDATA->m_style = style;
  68   M_PENDATA->m_colour = colour;
  69
  70   if (wxThePenList) wxThePenList->AddPen( this );
  71 }
  72
  73 wxPen::wxPen( const wxPen& pen )
  74 {
  75   Ref( pen );
  76   if (wxThePenList) wxThePenList->AddPen( this );
  77 }
  78
  79 wxPen::wxPen( const wxPen* pen )
  80 {
  81   UnRef();
  82   if (pen) Ref( *pen );
  83
  84   if (wxThePenList) wxThePenList->AddPen( this );
  85 }
  86
  87 wxPen::~wxPen(void)
  88 {
  89   if (wxThePenList) wxThePenList->RemovePen( this );
  90 }
  91
  92 wxPen& wxPen::operator = ( const wxPen& pen )
  93 {
  94   if (*this == pen) return (*this);
  95   Ref( pen );
  96   return *this;
  97 }
  98
  99 bool wxPen::operator == ( const wxPen& pen )
 100 {
 101   return m_refData == pen.m_refData;
 102 }
 103
 104 bool wxPen::operator != ( const wxPen& pen )
 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::SetColour( int red, int green, int blue )
 116 {
 117   Unshare();
 118   M_PENDATA->m_colour.Set( red, green, blue );
 119 }
 120
 121 void wxPen::SetCap( int capStyle )
 122 {
 123   Unshare();
 124   M_PENDATA->m_capStyle = capStyle;
 125 }
 126
 127 void wxPen::SetJoin( int joinStyle )
 128 {
 129   Unshare();
 130   M_PENDATA->m_joinStyle = joinStyle;
 131 }
 132
 133 void wxPen::SetStyle( int style )
 134 {
 135   Unshare();
 136   M_PENDATA->m_style = style;
 137 }
 138
 139 void wxPen::SetWidth( int width )
 140 {
 141   Unshare();
 142   M_PENDATA->m_width = width;
 143 }
 144
 145 int wxPen::GetCap(void) const
 146 {
 147   if (!m_refData)
 148   {
 149     wxFAIL_MSG( "invalid pen" );
 150     return -1;
 151   }
 152
 153   return M_PENDATA->m_capStyle;
 154 }
 155
 156 int wxPen::GetJoin(void) const
 157 {
 158   if (!m_refData)
 159   {
 160     wxFAIL_MSG( "invalid pen" );
 161     return -1;
 162   }
 163
 164   return M_PENDATA->m_joinStyle;
 165 }
 166
 167 int wxPen::GetStyle(void) const
 168 {
 169   if (!m_refData)
 170   {
 171     wxFAIL_MSG( "invalid pen" );
 172     return -1;
 173   }
 174
 175   return M_PENDATA->m_style;
 176 }
 177
 178 int wxPen::GetWidth(void) const
 179 {
 180   if (!m_refData)
 181   {
 182     wxFAIL_MSG( "invalid pen" );
 183     return -1;
 184   }
 185
 186   return M_PENDATA->m_width;
 187 }
 188
 189 wxColour &wxPen::GetColour(void) const
 190 {
 191   if (!m_refData)
 192   {
 193     wxFAIL_MSG( "invalid pen" );
 194     return wxNullColour;
 195   }
 196
 197   return M_PENDATA->m_colour;
 198 }
 199
 200 bool wxPen::Ok(void) const
 201 {
 202   return (m_refData != NULL);
 203 }
 204
 205 void wxPen::Unshare(void)
 206 {
 207   if (!m_refData)
 208   {
 209     m_refData = new wxPenRefData();
 210   }
 211   else
 212   {
 213     wxPenRefData* ref = new wxPenRefData( *(wxPenRefData*)m_refData );
 214     UnRef();
 215     m_refData = ref;
 216   }
 217 }
 218