src/gtk1/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        pen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "pen.h"
  14 #endif
  15
  16 #include "wx/pen.h"
  17
  18 //-----------------------------------------------------------------------------
  19 // wxPen
  20 //-----------------------------------------------------------------------------
  21
  22 class wxPenRefData: public wxObjectRefData
  23 {
  24   public:
  25
  26     wxPenRefData(void);
  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 wxString &colourName, int width, int style )
  74 {
  75   m_refData = new wxPenRefData();
  76   M_PENDATA->m_width = width;
  77   M_PENDATA->m_style = style;
  78   M_PENDATA->m_colour = colourName;
  79
  80   if (wxThePenList) wxThePenList->AddPen( this );
  81 }
  82
  83 wxPen::wxPen( const wxPen& pen )
  84 {
  85   Ref( pen );
  86   if (wxThePenList) wxThePenList->AddPen( this );
  87 }
  88
  89 wxPen::wxPen( const wxPen* pen )
  90 {
  91   UnRef();
  92   if (pen) Ref( *pen );
  93
  94   if (wxThePenList) wxThePenList->AddPen( this );
  95 }
  96
  97 wxPen::~wxPen(void)
  98 {
  99   if (wxThePenList) wxThePenList->RemovePen( this );
 100 }
 101
 102 wxPen& wxPen::operator = ( const wxPen& pen )
 103 {
 104   if (*this == pen) return (*this);
 105   Ref( pen );
 106   return *this;
 107 }
 108
 109 bool wxPen::operator == ( const wxPen& pen )
 110 {
 111   return m_refData == pen.m_refData;
 112 }
 113
 114 bool wxPen::operator != ( const wxPen& pen )
 115 {
 116   return m_refData != pen.m_refData;
 117 }
 118
 119 void wxPen::SetColour( const wxColour &colour )
 120 {
 121   Unshare();
 122   M_PENDATA->m_colour = colour;
 123 }
 124
 125 void wxPen::SetColour( const wxString &colourName )
 126 {
 127   Unshare();
 128   M_PENDATA->m_colour = colourName;
 129 }
 130
 131 void wxPen::SetColour( int red, int green, int blue )
 132 {
 133   Unshare();
 134   M_PENDATA->m_colour.Set( red, green, blue );
 135 }
 136
 137 void wxPen::SetCap( int capStyle )
 138 {
 139   Unshare();
 140   M_PENDATA->m_capStyle = capStyle;
 141 }
 142
 143 void wxPen::SetJoin( int joinStyle )
 144 {
 145   Unshare();
 146   M_PENDATA->m_joinStyle = joinStyle;
 147 }
 148
 149 void wxPen::SetStyle( int style )
 150 {
 151   Unshare();
 152   M_PENDATA->m_style = style;
 153 }
 154
 155 void wxPen::SetWidth( int width )
 156 {
 157   Unshare();
 158   M_PENDATA->m_width = width;
 159 }
 160
 161 int wxPen::GetCap(void) const
 162 {
 163   if (!m_refData)
 164   {
 165     wxFAIL_MSG( "invalid pen" );
 166     return -1;
 167   }
 168
 169   return M_PENDATA->m_capStyle;
 170 }
 171
 172 int wxPen::GetJoin(void) const
 173 {
 174   if (!m_refData)
 175   {
 176     wxFAIL_MSG( "invalid pen" );
 177     return -1;
 178   }
 179
 180   return M_PENDATA->m_joinStyle;
 181 }
 182
 183 int wxPen::GetStyle(void) const
 184 {
 185   if (!m_refData)
 186   {
 187     wxFAIL_MSG( "invalid pen" );
 188     return -1;
 189   }
 190
 191   return M_PENDATA->m_style;
 192 }
 193
 194 int wxPen::GetWidth(void) const
 195 {
 196   if (!m_refData)
 197   {
 198     wxFAIL_MSG( "invalid pen" );
 199     return -1;
 200   }
 201
 202   return M_PENDATA->m_width;
 203 }
 204
 205 wxColour &wxPen::GetColour(void) const
 206 {
 207   if (!m_refData)
 208   {
 209     wxFAIL_MSG( "invalid pen" );
 210     return wxNullColour;
 211   }
 212
 213   return M_PENDATA->m_colour;
 214 }
 215
 216 bool wxPen::Ok(void) const
 217 {
 218   return (m_refData != NULL);
 219 }
 220
 221 void wxPen::Unshare(void)
 222 {
 223   if (!m_refData)
 224   {
 225     m_refData = new wxPenRefData();
 226   }
 227   else
 228   {
 229     wxPenRefData* ref = new wxPenRefData( *(wxPenRefData*)m_refData );
 230     UnRef();
 231     m_refData = ref;
 232   }
 233 }
 234