src/mgl/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        pen.cpp
   3 // Purpose:
   4 // Author:      Vaclav Slavik
   5 // Id:          $Id$
   6 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14     #pragma hdrstop
  15 #endif
  16
  17 #include "wx/pen.h"
  18 #include "wx/bitmap.h"
  19 #include "wx/colour.h"
  20 #include "wx/mgl/private.h"
  21
  22 //-----------------------------------------------------------------------------
  23 // wxPen
  24 //-----------------------------------------------------------------------------
  25
  26 class wxPenRefData: public wxObjectRefData
  27 {
  28     public:
  29         wxPenRefData();
  30         wxPenRefData(const wxPenRefData& data);
  31
  32         int            m_width;
  33         int            m_style;
  34         wxColour       m_colour;
  35         wxBitmap       m_stipple;
  36         pixpattern24_t m_pixPattern;
  37
  38         // not used by wxMGL, but we want to preserve values
  39         int            m_joinStyle;
  40         int            m_capStyle;
  41         int            m_countDashes;
  42         wxDash        *m_dash;
  43 };
  44
  45 wxPenRefData::wxPenRefData()
  46 {
  47     m_width = 1;
  48     m_style = wxSOLID;
  49     m_joinStyle = wxJOIN_ROUND;
  50     m_capStyle = wxCAP_ROUND;
  51     m_dash = (wxDash*) NULL;
  52     m_countDashes = 0;
  53
  54     int x, y, c;
  55     for (y = 0; y < 8; y++)
  56         for (x = 0; x < 8; x++)
  57             for (c = 0; c < 3; c++)
  58                 m_pixPattern.p[x][y][c] = 0;
  59 }
  60
  61 wxPenRefData::wxPenRefData(const wxPenRefData& data)
  62 {
  63     m_style = data.m_style;
  64     m_width = data.m_width;
  65     m_joinStyle = data.m_joinStyle;
  66     m_capStyle = data.m_capStyle;
  67     m_colour = data.m_colour;
  68     m_countDashes = data.m_countDashes;
  69     m_dash = data.m_dash;
  70     m_stipple = data.m_stipple;
  71
  72     int x, y, c;
  73     for (y = 0; y < 8; y++)
  74         for (x = 0; x < 8; x++)
  75             for (c = 0; c < 3; c++)
  76                 m_pixPattern.p[x][y][c] = data.m_pixPattern.p[x][y][c];
  77 }
  78
  79 //-----------------------------------------------------------------------------
  80
  81 #define M_PENDATA ((wxPenRefData *)m_refData)
  82
  83 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  84
  85 wxPen::wxPen(const wxColour &colour, int width, int style)
  86 {
  87     m_refData = new wxPenRefData();
  88     M_PENDATA->m_width = width;
  89     M_PENDATA->m_style = style;
  90     M_PENDATA->m_colour = colour;
  91 }
  92
  93 wxPen::wxPen(const wxBitmap& stipple, int width)
  94 {
  95     wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") );
  96     wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8,
  97                   _T("stipple bitmap must be 8x8") );
  98
  99     m_refData = new wxPenRefData();
 100     M_PENDATA->m_width = width;
 101     M_PENDATA->m_style = wxSTIPPLE;
 102     M_PENDATA->m_stipple = stipple;
 103     wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL);
 104 }
 105
 106 wxPen::wxPen(const wxPen& pen)
 107 {
 108     Ref(pen);
 109 }
 110
 111 wxPen& wxPen::operator = (const wxPen& pen)
 112 {
 113     if (*this == pen) return (*this);
 114     Ref(pen);
 115     return *this;
 116 }
 117
 118 bool wxPen::operator == (const wxPen& pen) const
 119 {
 120     return m_refData == pen.m_refData;
 121 }
 122
 123 bool wxPen::operator != (const wxPen& pen) const
 124 {
 125     return m_refData != pen.m_refData;
 126 }
 127
 128 void wxPen::SetColour(const wxColour &colour)
 129 {
 130     AllocExclusive();
 131     M_PENDATA->m_colour = colour;
 132 }
 133
 134 void wxPen::SetDashes(int number_of_dashes, const wxDash *dash)
 135 {
 136     AllocExclusive();
 137     M_PENDATA->m_countDashes = number_of_dashes;
 138     M_PENDATA->m_dash = (wxDash *)dash; /* TODO */
 139 }
 140
 141 void wxPen::SetColour(int red, int green, int blue)
 142 {
 143     AllocExclusive();
 144     M_PENDATA->m_colour.Set(red, green, blue);
 145 }
 146
 147 void wxPen::SetCap(int capStyle)
 148 {
 149     AllocExclusive();
 150     M_PENDATA->m_capStyle = capStyle;
 151 }
 152
 153 void wxPen::SetJoin(int joinStyle)
 154 {
 155     AllocExclusive();
 156     M_PENDATA->m_joinStyle = joinStyle;
 157 }
 158
 159 void wxPen::SetStyle(int style)
 160 {
 161     AllocExclusive();
 162     M_PENDATA->m_style = style;
 163 }
 164
 165 void wxPen::SetStipple(const wxBitmap& stipple)
 166 {
 167     wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") );
 168     wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8,
 169                   _T("stipple bitmap must be 8x8") );
 170
 171     AllocExclusive();
 172     M_PENDATA->m_stipple = stipple;
 173     wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL);
 174 }
 175
 176 void wxPen::SetWidth(int width)
 177 {
 178     AllocExclusive();
 179     M_PENDATA->m_width = width;
 180 }
 181
 182 int wxPen::GetDashes(wxDash **ptr) const
 183 {
 184      *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
 185      return (M_PENDATA ? M_PENDATA->m_countDashes : 0);
 186 }
 187
 188 int wxPen::GetDashCount() const
 189 {
 190     return (M_PENDATA->m_countDashes);
 191 }
 192
 193 wxDash* wxPen::GetDash() const
 194 {
 195     return (wxDash*)M_PENDATA->m_dash;
 196 }
 197
 198 int wxPen::GetCap() const
 199 {
 200     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 201
 202     return M_PENDATA->m_capStyle;
 203 }
 204
 205 int wxPen::GetJoin() const
 206 {
 207     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 208
 209     return M_PENDATA->m_joinStyle;
 210 }
 211
 212 int wxPen::GetStyle() const
 213 {
 214     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 215
 216     return M_PENDATA->m_style;
 217 }
 218
 219 int wxPen::GetWidth() const
 220 {
 221     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 222
 223     return M_PENDATA->m_width;
 224 }
 225
 226 wxColour &wxPen::GetColour() const
 227 {
 228     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
 229
 230     return M_PENDATA->m_colour;
 231 }
 232
 233 wxBitmap *wxPen::GetStipple() const
 234 {
 235     wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") );
 236
 237     return &(M_PENDATA->m_stipple);
 238 }
 239
 240 void* wxPen::GetPixPattern() const
 241 {
 242     wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") );
 243
 244     return (void*)&(M_PENDATA->m_pixPattern);
 245 }
 246
 247
 248 bool wxPen::Ok() const
 249 {
 250     return (m_refData != NULL);
 251 }
 252
 253 wxObjectRefData *wxPen::CreateRefData() const
 254 {
 255     return new wxPenRefData;
 256 }
 257
 258 wxObjectRefData *wxPen::CloneRefData(const wxObjectRefData *data) const
 259 {
 260     return new wxPenRefData(*(wxPenRefData *)data);
 261 }
 262