src/gtk1/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk1/pen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/pen.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/colour.h"
  17 #endif
  18
  19 #include <gdk/gdk.h>
  20
  21 //-----------------------------------------------------------------------------
  22 // wxPen
  23 //-----------------------------------------------------------------------------
  24
  25 class wxPenRefData : public wxGDIRefData
  26 {
  27 public:
  28     wxPenRefData()
  29     {
  30         m_width = 1;
  31         m_style = wxPENSTYLE_SOLID;
  32         m_joinStyle = wxJOIN_ROUND;
  33         m_capStyle = wxCAP_ROUND;
  34         m_dash = (wxGTKDash*) NULL;
  35         m_countDashes = 0;
  36     }
  37
  38     wxPenRefData( const wxPenRefData& data )
  39         : wxGDIRefData()
  40     {
  41         m_style = data.m_style;
  42         m_width = data.m_width;
  43         m_joinStyle = data.m_joinStyle;
  44         m_capStyle = data.m_capStyle;
  45         m_colour = data.m_colour;
  46         m_countDashes = data.m_countDashes;
  47         m_dash = data.m_dash;
  48     }
  49
  50     bool operator == (const wxPenRefData& data) const
  51     {
  52         if ( m_countDashes != data.m_countDashes )
  53             return false;
  54
  55         if ( m_dash )
  56         {
  57             if ( !data.m_dash ||
  58                  memcmp(m_dash, data.m_dash, m_countDashes*sizeof(wxGTKDash)) )
  59             {
  60                 return false;
  61             }
  62         }
  63         else if ( data.m_dash )
  64         {
  65             return false;
  66         }
  67
  68
  69         return m_style == data.m_style &&
  70                m_width == data.m_width &&
  71                m_joinStyle == data.m_joinStyle &&
  72                m_capStyle == data.m_capStyle &&
  73                m_colour == data.m_colour;
  74     }
  75
  76     int        m_width;
  77     wxPenStyle m_style;
  78     wxPenJoin  m_joinStyle;
  79     wxPenCap   m_capStyle;
  80     wxColour   m_colour;
  81     int        m_countDashes;
  82     wxGTKDash *m_dash;
  83 };
  84
  85 //-----------------------------------------------------------------------------
  86
  87 #define M_PENDATA ((wxPenRefData *)m_refData)
  88
  89 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  90
  91 wxPen::wxPen( const wxColour &colour, int width, wxPenStyle style )
  92 {
  93     m_refData = new wxPenRefData();
  94     M_PENDATA->m_width = width;
  95     M_PENDATA->m_style = style;
  96     M_PENDATA->m_colour = colour;
  97 }
  98
  99 wxPen::wxPen(const wxColour& colour, int width, wxBrushStyle 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
 107 wxPen::~wxPen()
 108 {
 109     // m_refData unrefed in ~wxObject
 110 }
 111
 112 wxGDIRefData *wxPen::CreateGDIRefData() const
 113 {
 114     return new wxPenRefData;
 115 }
 116
 117 wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const
 118 {
 119     return new wxPenRefData(*(wxPenRefData *)data);
 120 }
 121
 122 bool wxPen::operator == ( const wxPen& pen ) const
 123 {
 124     if (m_refData == pen.m_refData) return true;
 125
 126     if (!m_refData || !pen.m_refData) return false;
 127
 128     return ( *(wxPenRefData*)m_refData == *(wxPenRefData*)pen.m_refData );
 129 }
 130
 131 void wxPen::SetColour( const wxColour &colour )
 132 {
 133     AllocExclusive();
 134
 135     M_PENDATA->m_colour = colour;
 136 }
 137
 138 void wxPen::SetDashes( int number_of_dashes, const wxDash *dash )
 139 {
 140     AllocExclusive();
 141
 142     M_PENDATA->m_countDashes = number_of_dashes;
 143     M_PENDATA->m_dash = (wxGTKDash *)dash;
 144 }
 145
 146 void wxPen::SetColour( unsigned char red, unsigned char green, unsigned char blue )
 147 {
 148     AllocExclusive();
 149
 150     M_PENDATA->m_colour.Set( red, green, blue );
 151 }
 152
 153 void wxPen::SetCap( wxPenCap capStyle )
 154 {
 155     AllocExclusive();
 156
 157     M_PENDATA->m_capStyle = capStyle;
 158 }
 159
 160 void wxPen::SetJoin( wxPenJoin joinStyle )
 161 {
 162     AllocExclusive();
 163
 164     M_PENDATA->m_joinStyle = joinStyle;
 165 }
 166
 167 void wxPen::SetStyle( wxPenStyle style )
 168 {
 169     AllocExclusive();
 170
 171     M_PENDATA->m_style = style;
 172 }
 173
 174 void wxPen::SetWidth( int width )
 175 {
 176     AllocExclusive();
 177
 178     M_PENDATA->m_width = width;
 179 }
 180
 181 int wxPen::GetDashes( wxDash **ptr ) const
 182 {
 183      *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
 184      return (M_PENDATA ? M_PENDATA->m_countDashes : 0);
 185 }
 186
 187 int wxPen::GetDashCount() const
 188 {
 189     return (M_PENDATA->m_countDashes);
 190 }
 191
 192 wxDash* wxPen::GetDash() const
 193 {
 194     return (wxDash*)M_PENDATA->m_dash;
 195 }
 196
 197 wxPenCap wxPen::GetCap() const
 198 {
 199     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 200
 201     return M_PENDATA->m_capStyle;
 202 }
 203
 204 wxPenJoin wxPen::GetJoin() const
 205 {
 206     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 207
 208     return M_PENDATA->m_joinStyle;
 209 }
 210
 211 wxPenStyle wxPen::GetStyle() const
 212 {
 213     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 214
 215     return M_PENDATA->m_style;
 216 }
 217
 218 int wxPen::GetWidth() const
 219 {
 220     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 221
 222     return M_PENDATA->m_width;
 223 }
 224
 225 wxColour &wxPen::GetColour() const
 226 {
 227     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
 228
 229     return M_PENDATA->m_colour;
 230 }