src/gtk/pen.cpp

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