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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  12 #pragma implementation "pen.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/pen.h"
  19 #include "wx/colour.h"
  20
  21 #include <gdk/gdk.h>
  22
  23 //-----------------------------------------------------------------------------
  24 // wxPen
  25 //-----------------------------------------------------------------------------
  26
  27 class wxPenRefData: public wxObjectRefData
  28 {
  29 public:
  30     wxPenRefData()
  31     {
  32         m_width = 1;
  33         m_style = wxSOLID;
  34         m_joinStyle = wxJOIN_ROUND;
  35         m_capStyle = wxCAP_ROUND;
  36         m_dash = (wxGTKDash*) NULL;
  37         m_countDashes = 0;
  38     }
  39
  40     wxPenRefData( const wxPenRefData& data )
  41         : wxObjectRefData()
  42     {
  43         m_style = data.m_style;
  44         m_width = data.m_width;
  45         m_joinStyle = data.m_joinStyle;
  46         m_capStyle = data.m_capStyle;
  47         m_colour = data.m_colour;
  48         m_countDashes = data.m_countDashes;
  49         m_dash = data.m_dash;
  50     }
  51
  52     bool operator == (const wxPenRefData& data) const
  53     {
  54         if ( m_countDashes != data.m_countDashes )
  55             return FALSE;
  56
  57         if ( m_dash )
  58         {
  59             if ( !data.m_dash ||
  60                  memcmp(m_dash, data.m_dash, m_countDashes*sizeof(wxGTKDash)) )
  61             {
  62                 return FALSE;
  63             }
  64         }
  65         else if ( data.m_dash )
  66         {
  67             return FALSE;
  68         }
  69
  70
  71         return m_style == data.m_style &&
  72                m_width == data.m_width &&
  73                m_joinStyle == data.m_joinStyle &&
  74                m_capStyle == data.m_capStyle &&
  75                m_colour == data.m_colour;
  76     }
  77
  78     int        m_width;
  79     int        m_style;
  80     int        m_joinStyle;
  81     int        m_capStyle;
  82     wxColour   m_colour;
  83     int        m_countDashes;
  84     wxGTKDash *m_dash;
  85 };
  86
  87 //-----------------------------------------------------------------------------
  88
  89 #define M_PENDATA ((wxPenRefData *)m_refData)
  90
  91 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  92
  93 wxPen::wxPen( const wxColour &colour, int width, int style )
  94 {
  95     m_refData = new wxPenRefData();
  96     M_PENDATA->m_width = width;
  97     M_PENDATA->m_style = style;
  98     M_PENDATA->m_colour = colour;
  99 }
 100
 101 wxPen::~wxPen()
 102 {
 103     // m_refData unrefed in ~wxObject
 104 }
 105
 106 wxObjectRefData *wxPen::CreateRefData() const
 107 {
 108     return new wxPenRefData;
 109 }
 110
 111 wxObjectRefData *wxPen::CloneRefData(const wxObjectRefData *data) const
 112 {
 113     return new wxPenRefData(*(wxPenRefData *)data);
 114 }
 115
 116 bool wxPen::operator == ( const wxPen& pen ) const
 117 {
 118     if (m_refData == pen.m_refData) return TRUE;
 119
 120     if (!m_refData || !pen.m_refData) return FALSE;
 121
 122     return ( *(wxPenRefData*)m_refData == *(wxPenRefData*)pen.m_refData );
 123 }
 124
 125 void wxPen::SetColour( const wxColour &colour )
 126 {
 127     AllocExclusive();
 128
 129     M_PENDATA->m_colour = colour;
 130 }
 131
 132 void wxPen::SetDashes( int number_of_dashes, const wxDash *dash )
 133 {
 134     AllocExclusive();
 135
 136     M_PENDATA->m_countDashes = number_of_dashes;
 137     M_PENDATA->m_dash = (wxGTKDash *)dash;
 138 }
 139
 140 void wxPen::SetColour( int red, int green, int blue )
 141 {
 142     AllocExclusive();
 143
 144     M_PENDATA->m_colour.Set( red, green, blue );
 145 }
 146
 147 void wxPen::SetCap( int capStyle )
 148 {
 149     AllocExclusive();
 150
 151     M_PENDATA->m_capStyle = capStyle;
 152 }
 153
 154 void wxPen::SetJoin( int joinStyle )
 155 {
 156     AllocExclusive();
 157
 158     M_PENDATA->m_joinStyle = joinStyle;
 159 }
 160
 161 void wxPen::SetStyle( int style )
 162 {
 163     AllocExclusive();
 164
 165     M_PENDATA->m_style = style;
 166 }
 167
 168 void wxPen::SetWidth( int width )
 169 {
 170     AllocExclusive();
 171
 172     M_PENDATA->m_width = width;
 173 }
 174
 175 int wxPen::GetDashes( wxDash **ptr ) const
 176 {
 177      *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
 178      return (M_PENDATA ? M_PENDATA->m_countDashes : 0);
 179 }
 180
 181 int wxPen::GetDashCount() const
 182 {
 183     return (M_PENDATA->m_countDashes);
 184 }
 185
 186 wxDash* wxPen::GetDash() const
 187 {
 188     return (wxDash*)M_PENDATA->m_dash;
 189 }
 190
 191 int wxPen::GetCap() const
 192 {
 193     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 194
 195     return M_PENDATA->m_capStyle;
 196 }
 197
 198 int wxPen::GetJoin() const
 199 {
 200     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 201
 202     return M_PENDATA->m_joinStyle;
 203 }
 204
 205 int wxPen::GetStyle() const
 206 {
 207     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 208
 209     return M_PENDATA->m_style;
 210 }
 211
 212 int wxPen::GetWidth() const
 213 {
 214     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 215
 216     return M_PENDATA->m_width;
 217 }
 218
 219 wxColour &wxPen::GetColour() const
 220 {
 221     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
 222
 223     return M_PENDATA->m_colour;
 224 }
 225