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
  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 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #include "wx/pen.h"
  23 #include "wx/bitmap.h"
  24 #include "wx/colour.h"
  25 #include "wx/mgl/private.h"
  26
  27 //-----------------------------------------------------------------------------
  28 // wxPen
  29 //-----------------------------------------------------------------------------
  30
  31 class wxPenRefData: public wxObjectRefData
  32 {
  33     public:
  34         wxPenRefData();
  35         wxPenRefData(const wxPenRefData& data);
  36
  37         int            m_width;
  38         int            m_style;
  39         wxColour       m_colour;
  40         wxBitmap       m_stipple;
  41         pixpattern24_t m_pixPattern;
  42
  43         // not used by wxMGL, but we want to preserve values
  44         int            m_joinStyle;
  45         int            m_capStyle;
  46         int            m_countDashes;
  47         wxDash        *m_dash;
  48 };
  49
  50 wxPenRefData::wxPenRefData()
  51 {
  52     m_width = 1;
  53     m_style = wxSOLID;
  54     m_joinStyle = wxJOIN_ROUND;
  55     m_capStyle = wxCAP_ROUND;
  56     m_dash = (wxDash*) NULL;
  57     m_countDashes = 0;
  58
  59     int x, y, c;
  60     for (y = 0; y < 8; y++)
  61         for (x = 0; x < 8; x++)
  62             for (c = 0; c < 3; c++)
  63                 m_pixPattern.p[x][y][c] = 0;
  64 }
  65
  66 wxPenRefData::wxPenRefData(const wxPenRefData& data)
  67 {
  68     m_style = data.m_style;
  69     m_width = data.m_width;
  70     m_joinStyle = data.m_joinStyle;
  71     m_capStyle = data.m_capStyle;
  72     m_colour = data.m_colour;
  73     m_countDashes = data.m_countDashes;
  74     m_dash = data.m_dash;
  75     m_stipple = data.m_stipple;
  76
  77     int x, y, c;
  78     for (y = 0; y < 8; y++)
  79         for (x = 0; x < 8; x++)
  80             for (c = 0; c < 3; c++)
  81                 m_pixPattern.p[x][y][c] = data.m_pixPattern.p[x][y][c];
  82 }
  83
  84 //-----------------------------------------------------------------------------
  85
  86 #define M_PENDATA ((wxPenRefData *)m_refData)
  87
  88 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
  89
  90 wxPen::wxPen(const wxColour &colour, int width, int style)
  91 {
  92     m_refData = new wxPenRefData();
  93     M_PENDATA->m_width = width;
  94     M_PENDATA->m_style = style;
  95     M_PENDATA->m_colour = colour;
  96 }
  97
  98 wxPen::wxPen(const wxBitmap& stipple, int width)
  99 {
 100     wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") );
 101     wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8,
 102                   _T("stipple bitmap must be 8x8") );
 103
 104     m_refData = new wxPenRefData();
 105     M_PENDATA->m_width = width;
 106     M_PENDATA->m_style = wxSTIPPLE;
 107     M_PENDATA->m_stipple = stipple;
 108     wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL);
 109 }
 110
 111 wxPen::wxPen(const wxPen& pen)
 112 {
 113     Ref(pen);
 114 }
 115
 116 wxPen& wxPen::operator = (const wxPen& pen)
 117 {
 118     if (*this == pen) return (*this);
 119     Ref(pen);
 120     return *this;
 121 }
 122
 123 bool wxPen::operator == (const wxPen& pen) const
 124 {
 125     return m_refData == pen.m_refData;
 126 }
 127
 128 bool wxPen::operator != (const wxPen& pen) const
 129 {
 130     return m_refData != pen.m_refData;
 131 }
 132
 133 void wxPen::SetColour(const wxColour &colour)
 134 {
 135     AllocExclusive();
 136     M_PENDATA->m_colour = colour;
 137 }
 138
 139 void wxPen::SetDashes(int number_of_dashes, const wxDash *dash)
 140 {
 141     AllocExclusive();
 142     M_PENDATA->m_countDashes = number_of_dashes;
 143     M_PENDATA->m_dash = (wxDash *)dash; /* TODO */
 144 }
 145
 146 void wxPen::SetColour(int red, int green, int blue)
 147 {
 148     AllocExclusive();
 149     M_PENDATA->m_colour.Set(red, green, blue);
 150 }
 151
 152 void wxPen::SetCap(int capStyle)
 153 {
 154     AllocExclusive();
 155     M_PENDATA->m_capStyle = capStyle;
 156 }
 157
 158 void wxPen::SetJoin(int joinStyle)
 159 {
 160     AllocExclusive();
 161     M_PENDATA->m_joinStyle = joinStyle;
 162 }
 163
 164 void wxPen::SetStyle(int style)
 165 {
 166     AllocExclusive();
 167     M_PENDATA->m_style = style;
 168 }
 169
 170 void wxPen::SetStipple(const wxBitmap& stipple)
 171 {
 172     wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") );
 173     wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8,
 174                   _T("stipple bitmap must be 8x8") );
 175
 176     AllocExclusive();
 177     M_PENDATA->m_stipple = stipple;
 178     wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL);
 179 }
 180
 181 void wxPen::SetWidth(int width)
 182 {
 183     AllocExclusive();
 184     M_PENDATA->m_width = width;
 185 }
 186
 187 int wxPen::GetDashes(wxDash **ptr) const
 188 {
 189      *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
 190      return (M_PENDATA ? M_PENDATA->m_countDashes : 0);
 191 }
 192
 193 int wxPen::GetDashCount() const
 194 {
 195     return (M_PENDATA->m_countDashes);
 196 }
 197
 198 wxDash* wxPen::GetDash() const
 199 {
 200     return (wxDash*)M_PENDATA->m_dash;
 201 }
 202
 203 int wxPen::GetCap() const
 204 {
 205     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 206
 207     return M_PENDATA->m_capStyle;
 208 }
 209
 210 int wxPen::GetJoin() const
 211 {
 212     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 213
 214     return M_PENDATA->m_joinStyle;
 215 }
 216
 217 int wxPen::GetStyle() const
 218 {
 219     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 220
 221     return M_PENDATA->m_style;
 222 }
 223
 224 int wxPen::GetWidth() const
 225 {
 226     wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
 227
 228     return M_PENDATA->m_width;
 229 }
 230
 231 wxColour &wxPen::GetColour() const
 232 {
 233     wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
 234
 235     return M_PENDATA->m_colour;
 236 }
 237
 238 wxBitmap *wxPen::GetStipple() const
 239 {
 240     wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") );
 241
 242     return &(M_PENDATA->m_stipple);
 243 }
 244
 245 void* wxPen::GetPixPattern() const
 246 {
 247     wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") );
 248
 249     return (void*)&(M_PENDATA->m_pixPattern);
 250 }
 251
 252
 253 bool wxPen::Ok() const
 254 {
 255     return (m_refData != NULL);
 256 }
 257
 258 wxObjectRefData *wxPen::CreateRefData() const
 259 {
 260     return new wxPenRefData;
 261 }
 262
 263 wxObjectRefData *wxPen::CloneRefData(const wxObjectRefData *data) const
 264 {
 265     return new wxPenRefData(*(wxPenRefData *)data);
 266 }
 267