| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/mgl/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 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/bitmap.h" |
| 21 | #include "wx/colour.h" |
| 22 | #endif |
| 23 | |
| 24 | #include "wx/mgl/private.h" |
| 25 | |
| 26 | //----------------------------------------------------------------------------- |
| 27 | // wxPen |
| 28 | //----------------------------------------------------------------------------- |
| 29 | |
| 30 | class wxPenRefData: public wxObjectRefData |
| 31 | { |
| 32 | public: |
| 33 | wxPenRefData(); |
| 34 | wxPenRefData(const wxPenRefData& data); |
| 35 | |
| 36 | bool operator==(const wxPenRefData& data) const |
| 37 | { |
| 38 | // we intentionally don't compare m_hPen fields here |
| 39 | return m_style == data.m_style && |
| 40 | m_width == data.m_width && |
| 41 | memcmp(&m_pixPattern, |
| 42 | &data.m_pixPattern, sizeof(m_pixPattern)) == 0 && |
| 43 | m_capStyle == data.m_capStyle && |
| 44 | m_joinStyle == data.m_joinStyle && |
| 45 | m_colour == data.m_colour && |
| 46 | (m_style != wxPENSTYLE_STIPPLE || m_stipple.IsSameAs(data.m_stipple)) && |
| 47 | (m_style != wxPENSTYLE_USER_DASH || |
| 48 | (m_dash == data.m_dash && |
| 49 | memcmp(m_dash, data.m_dash, m_countDashes*sizeof(wxDash)) == 0)); |
| 50 | } |
| 51 | |
| 52 | int m_width; |
| 53 | wxPenStyle m_style; |
| 54 | wxColour m_colour; |
| 55 | wxBitmap m_stipple; |
| 56 | pixpattern24_t m_pixPattern; |
| 57 | |
| 58 | // not used by wxMGL, but we want to preserve values |
| 59 | wxPenJoin m_joinStyle; |
| 60 | wxPenCap m_capStyle; |
| 61 | int m_countDashes; |
| 62 | wxDash *m_dash; |
| 63 | }; |
| 64 | |
| 65 | wxPenRefData::wxPenRefData() |
| 66 | { |
| 67 | m_width = 1; |
| 68 | m_style = wxPENSTYLE_SOLID; |
| 69 | m_joinStyle = wxJOIN_ROUND; |
| 70 | m_capStyle = wxCAP_ROUND; |
| 71 | m_dash = NULL; |
| 72 | m_countDashes = 0; |
| 73 | |
| 74 | int x, y, c; |
| 75 | for (y = 0; y < 8; y++) |
| 76 | for (x = 0; x < 8; x++) |
| 77 | for (c = 0; c < 3; c++) |
| 78 | m_pixPattern.p[x][y][c] = 0; |
| 79 | } |
| 80 | |
| 81 | wxPenRefData::wxPenRefData(const wxPenRefData& data) |
| 82 | { |
| 83 | m_style = data.m_style; |
| 84 | m_width = data.m_width; |
| 85 | m_joinStyle = data.m_joinStyle; |
| 86 | m_capStyle = data.m_capStyle; |
| 87 | m_colour = data.m_colour; |
| 88 | m_countDashes = data.m_countDashes; |
| 89 | m_dash = data.m_dash; |
| 90 | m_stipple = data.m_stipple; |
| 91 | |
| 92 | int x, y, c; |
| 93 | for (y = 0; y < 8; y++) |
| 94 | for (x = 0; x < 8; x++) |
| 95 | for (c = 0; c < 3; c++) |
| 96 | m_pixPattern.p[x][y][c] = data.m_pixPattern.p[x][y][c]; |
| 97 | } |
| 98 | |
| 99 | //----------------------------------------------------------------------------- |
| 100 | |
| 101 | #define M_PENDATA ((wxPenRefData *)m_refData) |
| 102 | |
| 103 | IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject) |
| 104 | |
| 105 | wxPen::wxPen(const wxColour &colour, int width, wxPenStyle style) |
| 106 | { |
| 107 | m_refData = new wxPenRefData(); |
| 108 | M_PENDATA->m_width = width; |
| 109 | M_PENDATA->m_style = style; |
| 110 | M_PENDATA->m_colour = colour; |
| 111 | } |
| 112 | |
| 113 | #if FUTURE_WXWIN_COMPATIBILITY_3_0 |
| 114 | wxPen::wxPen(const wxColour& colour, int width, int style) |
| 115 | { |
| 116 | m_refData = new wxPenRefData(); |
| 117 | M_PENDATA->m_width = width; |
| 118 | M_PENDATA->m_style = (wxPenStyle)style; |
| 119 | M_PENDATA->m_colour = colour; |
| 120 | } |
| 121 | #endif |
| 122 | |
| 123 | wxPen::wxPen(const wxBitmap& stipple, int width) |
| 124 | { |
| 125 | wxCHECK_RET( stipple.IsOk(), wxT("invalid bitmap") ); |
| 126 | wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8, |
| 127 | wxT("stipple bitmap must be 8x8") ); |
| 128 | |
| 129 | m_refData = new wxPenRefData(); |
| 130 | M_PENDATA->m_width = width; |
| 131 | M_PENDATA->m_style = wxPENSTYLE_STIPPLE; |
| 132 | M_PENDATA->m_stipple = stipple; |
| 133 | wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL); |
| 134 | } |
| 135 | |
| 136 | bool wxPen::operator == (const wxPen& pen) const |
| 137 | { |
| 138 | if (m_refData == pen.m_refData) return true; |
| 139 | |
| 140 | if (!m_refData || !pen.m_refData) return false; |
| 141 | |
| 142 | return ( *(wxPenRefData*)m_refData == *(wxPenRefData*)pen.m_refData ); |
| 143 | } |
| 144 | |
| 145 | bool wxPen::operator != (const wxPen& pen) const |
| 146 | { |
| 147 | return m_refData != pen.m_refData; |
| 148 | } |
| 149 | |
| 150 | void wxPen::SetColour(const wxColour &colour) |
| 151 | { |
| 152 | AllocExclusive(); |
| 153 | M_PENDATA->m_colour = colour; |
| 154 | } |
| 155 | |
| 156 | void wxPen::SetDashes(int number_of_dashes, const wxDash *dash) |
| 157 | { |
| 158 | AllocExclusive(); |
| 159 | M_PENDATA->m_countDashes = number_of_dashes; |
| 160 | M_PENDATA->m_dash = (wxDash *)dash; /* TODO */ |
| 161 | } |
| 162 | |
| 163 | void wxPen::SetColour(unsigned char red, unsigned char green, unsigned char blue) |
| 164 | { |
| 165 | AllocExclusive(); |
| 166 | M_PENDATA->m_colour.Set(red, green, blue); |
| 167 | } |
| 168 | |
| 169 | void wxPen::SetCap(wxPenCap capStyle) |
| 170 | { |
| 171 | AllocExclusive(); |
| 172 | M_PENDATA->m_capStyle = capStyle; |
| 173 | } |
| 174 | |
| 175 | void wxPen::SetJoin(wxPenJoin joinStyle) |
| 176 | { |
| 177 | AllocExclusive(); |
| 178 | M_PENDATA->m_joinStyle = joinStyle; |
| 179 | } |
| 180 | |
| 181 | void wxPen::SetStyle(wxPenStyle style) |
| 182 | { |
| 183 | AllocExclusive(); |
| 184 | M_PENDATA->m_style = style; |
| 185 | } |
| 186 | |
| 187 | void wxPen::SetStipple(const wxBitmap& stipple) |
| 188 | { |
| 189 | wxCHECK_RET( stipple.IsOk(), wxT("invalid bitmap") ); |
| 190 | wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8, |
| 191 | wxT("stipple bitmap must be 8x8") ); |
| 192 | |
| 193 | AllocExclusive(); |
| 194 | M_PENDATA->m_stipple = stipple; |
| 195 | wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL); |
| 196 | } |
| 197 | |
| 198 | void wxPen::SetWidth(int width) |
| 199 | { |
| 200 | AllocExclusive(); |
| 201 | M_PENDATA->m_width = width; |
| 202 | } |
| 203 | |
| 204 | int wxPen::GetDashes(wxDash **ptr) const |
| 205 | { |
| 206 | wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") ); |
| 207 | |
| 208 | *ptr = (wxDash*)M_PENDATA->m_dash; |
| 209 | return M_PENDATA->m_countDashes; |
| 210 | } |
| 211 | |
| 212 | int wxPen::GetDashCount() const |
| 213 | { |
| 214 | wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") ); |
| 215 | |
| 216 | return (M_PENDATA->m_countDashes); |
| 217 | } |
| 218 | |
| 219 | wxDash* wxPen::GetDash() const |
| 220 | { |
| 221 | wxCHECK_MSG( IsOk(), NULL, wxT("invalid pen") ); |
| 222 | |
| 223 | return (wxDash*)M_PENDATA->m_dash; |
| 224 | } |
| 225 | |
| 226 | wxPenCap wxPen::GetCap() const |
| 227 | { |
| 228 | wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") ); |
| 229 | |
| 230 | return M_PENDATA->m_capStyle; |
| 231 | } |
| 232 | |
| 233 | wxPenJoin wxPen::GetJoin() const |
| 234 | { |
| 235 | wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") ); |
| 236 | |
| 237 | return M_PENDATA->m_joinStyle; |
| 238 | } |
| 239 | |
| 240 | wxPenStyle wxPen::GetStyle() const |
| 241 | { |
| 242 | wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") ); |
| 243 | |
| 244 | return M_PENDATA->m_style; |
| 245 | } |
| 246 | |
| 247 | int wxPen::GetWidth() const |
| 248 | { |
| 249 | wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") ); |
| 250 | |
| 251 | return M_PENDATA->m_width; |
| 252 | } |
| 253 | |
| 254 | wxColour wxPen::GetColour() const |
| 255 | { |
| 256 | wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid pen") ); |
| 257 | |
| 258 | return M_PENDATA->m_colour; |
| 259 | } |
| 260 | |
| 261 | wxBitmap *wxPen::GetStipple() const |
| 262 | { |
| 263 | wxCHECK_MSG( IsOk(), NULL, wxT("invalid pen") ); |
| 264 | |
| 265 | return &(M_PENDATA->m_stipple); |
| 266 | } |
| 267 | |
| 268 | void* wxPen::GetPixPattern() const |
| 269 | { |
| 270 | wxCHECK_MSG( IsOk(), NULL, wxT("invalid pen") ); |
| 271 | |
| 272 | return (void*)&(M_PENDATA->m_pixPattern); |
| 273 | } |
| 274 | |
| 275 | |
| 276 | wxGDIRefData *wxPen::CreateGDIRefData() const |
| 277 | { |
| 278 | return new wxPenRefData; |
| 279 | } |
| 280 | |
| 281 | wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const |
| 282 | { |
| 283 | return new wxPenRefData(*(wxPenRefData *)data); |
| 284 | } |