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 /*
  47         if (data.m_dash)  TODO
  48             m_dash = new
  49 */
  50         m_dash = data.m_dash;
  51     }
  52
  53     bool operator == (const wxPenRefData& data) const
  54     {
  55         // It is impossible to tell if the dashes have changed
  56         // so the only thing to do is assume they have
  57         if (m_countDashes != 0 || data.m_countDashes != 0)
  58             return false;
  59
  60         return (m_style == data.m_style &&
  61                 m_width == data.m_width &&
  62                 m_joinStyle == data.m_joinStyle &&
  63                 m_capStyle == data.m_capStyle &&
  64                 m_colour == data.m_colour);
  65     }
  66
  67     int        m_width;
  68     int        m_style;
  69     int        m_joinStyle;
  70     int        m_capStyle;
  71     wxColour   m_colour;
  72     int        m_countDashes;
  73     wxGTKDash *m_dash;
  74 };
  75
  76 //-----------------------------------------------------------------------------
  77
  78 #define M_PENDATA ((wxPenRefData *)m_refData)
  79
  80 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  81
  82 wxPen::wxPen( const wxColour &colour, int width, int style )
  83 {
  84     m_refData = new wxPenRefData();
  85     M_PENDATA->m_width = width;
  86     M_PENDATA->m_style = style;
  87     M_PENDATA->m_colour = colour;
  88 }
  89
  90 wxPen::~wxPen()
  91 {
  92     // m_refData unrefed in ~wxObject
  93 }
  94
  95 wxObjectRefData *wxPen::CreateRefData() const
  96 {
  97     return new wxPenRefData;
  98 }
  99
 100 wxObjectRefData *wxPen::CloneRefData(const wxObjectRefData *data) const
 101 {
 102     return new wxPenRefData(*(wxPenRefData *)data);
 103 }
 104
 105 bool wxPen::operator == ( const wxPen& pen ) const
 106 {
 107     if (m_refData == pen.m_refData) return TRUE;
 108
 109     if (!m_refData || !pen.m_refData) return FALSE;
 110
 111     return ( *(wxPenRefData*)m_refData == *(wxPenRefData*)pen.m_refData );
 112 }
 113
 114 void wxPen::SetColour( const wxColour &colour )
 115 {
 116     AllocExclusive();
 117
 118     M_PENDATA->m_colour = colour;
 119 }
 120
 121 void wxPen::SetDashes( int number_of_dashes, const wxDash *dash )
 122 {
 123     AllocExclusive();
 124
 125     M_PENDATA->m_countDashes = number_of_dashes;
 126     M_PENDATA->m_dash = (wxGTKDash *)dash; /* TODO */
 127 }
 128
 129 void wxPen::SetColour( int red, int green, int blue )
 130 {
 131     AllocExclusive();
 132
 133     M_PENDATA->m_colour.Set( red, green, blue );
 134 }
 135
 136 void wxPen::SetCap( int capStyle )
 137 {
 138     AllocExclusive();
 139
 140     M_PENDATA->m_capStyle = capStyle;
 141 }
 142
 143 void wxPen::SetJoin( int joinStyle )
 144 {
 145     AllocExclusive();
 146
 147     M_PENDATA->m_joinStyle = joinStyle;
 148 }
 149
 150 void wxPen::SetStyle( int style )
 151 {
 152     AllocExclusive();
 153
 154     M_PENDATA->m_style = style;
 155 }
 156
 157 void wxPen::SetWidth( int width )
 158 {
 159     AllocExclusive();
 160
 161     M_PENDATA->m_width = width;
 162 }
 163
 164 int wxPen::GetDashes( wxDash **ptr ) const
 165 {
 166      *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
 167      return (M_PENDATA ? M_PENDATA->m_countDashes : 0);
 168 }
 169
 170 int wxPen::GetDashCount() const
 171 {
 172     return (M_PENDATA->m_countDashes);
 173 }
 174
 175 wxDash* wxPen::GetDash() const
 176 {
 177     return (wxDash*)M_PENDATA->m_dash;
 178 }
 179
 180 int wxPen::GetCap() const
 181 {
 182     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 183
 184     return M_PENDATA->m_capStyle;
 185 }
 186
 187 int wxPen::GetJoin() const
 188 {
 189     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 190
 191     return M_PENDATA->m_joinStyle;
 192 }
 193
 194 int wxPen::GetStyle() const
 195 {
 196     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 197
 198     return M_PENDATA->m_style;
 199 }
 200
 201 int wxPen::GetWidth() const
 202 {
 203     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 204
 205     return M_PENDATA->m_width;
 206 }
 207
 208 wxColour &wxPen::GetColour() const
 209 {
 210     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
 211
 212     return M_PENDATA->m_colour;
 213 }
 214