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