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 #include "wx/colour.h"
  17
  18 #include <gdk/gdk.h>
  19
  20 //-----------------------------------------------------------------------------
  21 // wxPen
  22 //-----------------------------------------------------------------------------
  23
  24 class wxPenRefData: public wxObjectRefData
  25 {
  26 public:
  27     wxPenRefData()
  28     {
  29         m_width = 1;
  30         m_style = wxSOLID;
  31         m_joinStyle = wxJOIN_ROUND;
  32         m_capStyle = wxCAP_ROUND;
  33         m_dash = (wxGTKDash*) NULL;
  34         m_countDashes = 0;
  35     }
  36
  37     wxPenRefData( const wxPenRefData& data )
  38         : wxObjectRefData()
  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     int        m_style;
  77     int        m_joinStyle;
  78     int        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, int 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 wxPen::~wxPen()
  99 {
 100     // m_refData unrefed in ~wxObject
 101 }
 102
 103 wxObjectRefData *wxPen::CreateRefData() const
 104 {
 105     return new wxPenRefData;
 106 }
 107
 108 wxObjectRefData *wxPen::CloneRefData(const wxObjectRefData *data) const
 109 {
 110     return new wxPenRefData(*(wxPenRefData *)data);
 111 }
 112
 113 bool wxPen::operator == ( const wxPen& pen ) const
 114 {
 115     if (m_refData == pen.m_refData) return TRUE;
 116
 117     if (!m_refData || !pen.m_refData) return FALSE;
 118
 119     return ( *(wxPenRefData*)m_refData == *(wxPenRefData*)pen.m_refData );
 120 }
 121
 122 void wxPen::SetColour( const wxColour &colour )
 123 {
 124     AllocExclusive();
 125
 126     M_PENDATA->m_colour = colour;
 127 }
 128
 129 void wxPen::SetDashes( int number_of_dashes, const wxDash *dash )
 130 {
 131     AllocExclusive();
 132
 133     M_PENDATA->m_countDashes = number_of_dashes;
 134     M_PENDATA->m_dash = (wxGTKDash *)dash;
 135 }
 136
 137 void wxPen::SetColour( int red, int green, int blue )
 138 {
 139     AllocExclusive();
 140
 141     M_PENDATA->m_colour.Set( red, green, blue );
 142 }
 143
 144 void wxPen::SetCap( int capStyle )
 145 {
 146     AllocExclusive();
 147
 148     M_PENDATA->m_capStyle = capStyle;
 149 }
 150
 151 void wxPen::SetJoin( int joinStyle )
 152 {
 153     AllocExclusive();
 154
 155     M_PENDATA->m_joinStyle = joinStyle;
 156 }
 157
 158 void wxPen::SetStyle( int style )
 159 {
 160     AllocExclusive();
 161
 162     M_PENDATA->m_style = style;
 163 }
 164
 165 void wxPen::SetWidth( int width )
 166 {
 167     AllocExclusive();
 168
 169     M_PENDATA->m_width = width;
 170 }
 171
 172 int wxPen::GetDashes( wxDash **ptr ) const
 173 {
 174      *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
 175      return (M_PENDATA ? M_PENDATA->m_countDashes : 0);
 176 }
 177
 178 int wxPen::GetDashCount() const
 179 {
 180     return (M_PENDATA->m_countDashes);
 181 }
 182
 183 wxDash* wxPen::GetDash() const
 184 {
 185     return (wxDash*)M_PENDATA->m_dash;
 186 }
 187
 188 int wxPen::GetCap() const
 189 {
 190     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 191
 192     return M_PENDATA->m_capStyle;
 193 }
 194
 195 int wxPen::GetJoin() const
 196 {
 197     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 198
 199     return M_PENDATA->m_joinStyle;
 200 }
 201
 202 int wxPen::GetStyle() const
 203 {
 204     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 205
 206     return M_PENDATA->m_style;
 207 }
 208
 209 int wxPen::GetWidth() const
 210 {
 211     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 212
 213     return M_PENDATA->m_width;
 214 }
 215
 216 wxColour &wxPen::GetColour() const
 217 {
 218     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
 219
 220     return M_PENDATA->m_colour;
 221 }
 222