| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gdicmn.cpp |
| 3 | // Purpose: Common GDI classes |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 01/02/97 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "gdicmn.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/event.h" |
| 24 | #include "wx/gdicmn.h" |
| 25 | #include "wx/brush.h" |
| 26 | #include "wx/pen.h" |
| 27 | #include "wx/bitmap.h" |
| 28 | #include "wx/icon.h" |
| 29 | #include "wx/cursor.h" |
| 30 | #include "wx/font.h" |
| 31 | #include "wx/palette.h" |
| 32 | #include "wx/app.h" |
| 33 | #include "wx/dc.h" |
| 34 | #include "wx/utils.h" |
| 35 | |
| 36 | #include "wx/log.h" |
| 37 | #include <string.h> |
| 38 | |
| 39 | #ifdef __WXMSW__ |
| 40 | #include <windows.h> |
| 41 | #endif |
| 42 | |
| 43 | #ifdef __WXMOTIF__ |
| 44 | #ifdef __VMS__ |
| 45 | #pragma message disable nosimpint |
| 46 | #endif |
| 47 | #include <Xm/Xm.h> |
| 48 | #ifdef __VMS__ |
| 49 | #pragma message enable nosimpint |
| 50 | #endif |
| 51 | #endif |
| 52 | |
| 53 | IMPLEMENT_CLASS(wxColourDatabase, wxList) |
| 54 | IMPLEMENT_DYNAMIC_CLASS(wxFontList, wxList) |
| 55 | IMPLEMENT_DYNAMIC_CLASS(wxPenList, wxList) |
| 56 | IMPLEMENT_DYNAMIC_CLASS(wxBrushList, wxList) |
| 57 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapList, wxList) |
| 58 | IMPLEMENT_DYNAMIC_CLASS(wxResourceCache, wxList) |
| 59 | |
| 60 | IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject) |
| 61 | |
| 62 | wxRect::wxRect(const wxPoint& topLeft, const wxPoint& bottomRight) |
| 63 | { |
| 64 | x = topLeft.x; |
| 65 | y = topLeft.y; |
| 66 | width = bottomRight.x - topLeft.x; |
| 67 | height = bottomRight.y - topLeft.y; |
| 68 | |
| 69 | if (width < 0) |
| 70 | { |
| 71 | width = -width; |
| 72 | x -= width; |
| 73 | } |
| 74 | |
| 75 | if (height < 0) |
| 76 | { |
| 77 | height = -height; |
| 78 | y -= height; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | wxRect::wxRect(const wxPoint& point, const wxSize& size) |
| 83 | { |
| 84 | x = point.x; y = point.y; |
| 85 | width = size.x; height = size.y; |
| 86 | } |
| 87 | |
| 88 | bool wxRect::operator==(const wxRect& rect) const |
| 89 | { |
| 90 | return ((x == rect.x) && |
| 91 | (y == rect.y) && |
| 92 | (width == rect.width) && |
| 93 | (height == rect.height)); |
| 94 | } |
| 95 | |
| 96 | const wxRect& wxRect::operator += (const wxRect& rect) |
| 97 | { |
| 98 | *this = (*this + rect); |
| 99 | return ( *this ) ; |
| 100 | } |
| 101 | |
| 102 | wxRect wxRect::operator + (const wxRect& rect) const |
| 103 | { |
| 104 | int x1 = wxMin(this->x, rect.x); |
| 105 | int y1 = wxMin(this->y, rect.y); |
| 106 | int y2 = wxMax(y+height, rect.height+rect.y); |
| 107 | int x2 = wxMax(x+width, rect.width+rect.x); |
| 108 | return wxRect(x1, y1, x2-x1, y2-y1); |
| 109 | } |
| 110 | |
| 111 | bool wxRect::Inside(int cx, int cy) const |
| 112 | { |
| 113 | return ( (cx >= x) && (cy >= y) |
| 114 | && ((cy - y) < height) |
| 115 | && ((cx - x) < width) |
| 116 | ); |
| 117 | } |
| 118 | |
| 119 | wxColourDatabase::wxColourDatabase (int type) : wxList (type) |
| 120 | { |
| 121 | } |
| 122 | |
| 123 | wxColourDatabase::~wxColourDatabase () |
| 124 | { |
| 125 | // Cleanup Colour allocated in Initialize() |
| 126 | wxNode *node = First (); |
| 127 | while (node) |
| 128 | { |
| 129 | wxColour *col = (wxColour *) node->Data (); |
| 130 | wxNode *next = node->Next (); |
| 131 | delete col; |
| 132 | node = next; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | // Colour database stuff |
| 137 | void wxColourDatabase::Initialize () |
| 138 | { |
| 139 | // Don't initialize for X: colours are found |
| 140 | // in FindColour below. |
| 141 | // Added: Not all |
| 142 | |
| 143 | struct cdef { |
| 144 | wxChar *name; |
| 145 | int r,g,b; |
| 146 | }; |
| 147 | cdef cc; |
| 148 | static cdef table[]={ |
| 149 | |
| 150 | // #ifdef __WXMSW__ |
| 151 | {wxT("AQUAMARINE"),112, 219, 147}, |
| 152 | {wxT("BLACK"),0, 0, 0}, |
| 153 | {wxT("BLUE"), 0, 0, 255}, |
| 154 | {wxT("BLUE VIOLET"), 159, 95, 159}, |
| 155 | {wxT("BROWN"), 165, 42, 42}, |
| 156 | {wxT("CADET BLUE"), 95, 159, 159}, |
| 157 | {wxT("CORAL"), 255, 127, 0}, |
| 158 | {wxT("CORNFLOWER BLUE"), 66, 66, 111}, |
| 159 | {wxT("CYAN"), 0, 255, 255}, |
| 160 | {wxT("DARK GREY"), 47, 47, 47}, // ? |
| 161 | |
| 162 | {wxT("DARK GREEN"), 47, 79, 47}, |
| 163 | {wxT("DARK OLIVE GREEN"), 79, 79, 47}, |
| 164 | {wxT("DARK ORCHID"), 153, 50, 204}, |
| 165 | {wxT("DARK SLATE BLUE"), 107, 35, 142}, |
| 166 | {wxT("DARK SLATE GREY"), 47, 79, 79}, |
| 167 | {wxT("DARK TURQUOISE"), 112, 147, 219}, |
| 168 | {wxT("DIM GREY"), 84, 84, 84}, |
| 169 | {wxT("FIREBRICK"), 142, 35, 35}, |
| 170 | {wxT("FOREST GREEN"), 35, 142, 35}, |
| 171 | {wxT("GOLD"), 204, 127, 50}, |
| 172 | {wxT("GOLDENROD"), 219, 219, 112}, |
| 173 | {wxT("GREY"), 128, 128, 128}, |
| 174 | {wxT("GREEN"), 0, 255, 0}, |
| 175 | {wxT("GREEN YELLOW"), 147, 219, 112}, |
| 176 | {wxT("INDIAN RED"), 79, 47, 47}, |
| 177 | {wxT("KHAKI"), 159, 159, 95}, |
| 178 | {wxT("LIGHT BLUE"), 191, 216, 216}, |
| 179 | {wxT("LIGHT GREY"), 192, 192, 192}, |
| 180 | {wxT("LIGHT STEEL BLUE"), 143, 143, 188}, |
| 181 | {wxT("LIME GREEN"), 50, 204, 50}, |
| 182 | {wxT("LIGHT MAGENTA"), 255, 0, 255}, |
| 183 | {wxT("MAGENTA"), 255, 0, 255}, |
| 184 | {wxT("MAROON"), 142, 35, 107}, |
| 185 | {wxT("MEDIUM AQUAMARINE"), 50, 204, 153}, |
| 186 | {wxT("MEDIUM GREY"), 100, 100, 100}, |
| 187 | {wxT("MEDIUM BLUE"), 50, 50, 204}, |
| 188 | {wxT("MEDIUM FOREST GREEN"), 107, 142, 35}, |
| 189 | {wxT("MEDIUM GOLDENROD"), 234, 234, 173}, |
| 190 | {wxT("MEDIUM ORCHID"), 147, 112, 219}, |
| 191 | {wxT("MEDIUM SEA GREEN"), 66, 111, 66}, |
| 192 | {wxT("MEDIUM SLATE BLUE"), 127, 0, 255}, |
| 193 | {wxT("MEDIUM SPRING GREEN"), 127, 255, 0}, |
| 194 | {wxT("MEDIUM TURQUOISE"), 112, 219, 219}, |
| 195 | {wxT("MEDIUM VIOLET RED"), 219, 112, 147}, |
| 196 | {wxT("MIDNIGHT BLUE"), 47, 47, 79}, |
| 197 | {wxT("NAVY"), 35, 35, 142}, |
| 198 | {wxT("ORANGE"), 204, 50, 50}, |
| 199 | {wxT("ORANGE RED"), 255, 0, 127}, |
| 200 | {wxT("ORCHID"), 219, 112, 219}, |
| 201 | {wxT("PALE GREEN"), 143, 188, 143}, |
| 202 | {wxT("PINK"), 188, 143, 234}, |
| 203 | {wxT("PLUM"), 234, 173, 234}, |
| 204 | {wxT("PURPLE"), 176, 0, 255}, |
| 205 | {wxT("RED"), 255, 0, 0}, |
| 206 | {wxT("SALMON"), 111, 66, 66}, |
| 207 | {wxT("SEA GREEN"), 35, 142, 107}, |
| 208 | {wxT("SIENNA"), 142, 107, 35}, |
| 209 | {wxT("SKY BLUE"), 50, 153, 204}, |
| 210 | {wxT("SLATE BLUE"), 0, 127, 255}, |
| 211 | {wxT("SPRING GREEN"), 0, 255, 127}, |
| 212 | {wxT("STEEL BLUE"), 35, 107, 142}, |
| 213 | {wxT("TAN"), 219, 147, 112}, |
| 214 | {wxT("THISTLE"), 216, 191, 216}, |
| 215 | {wxT("TURQUOISE"), 173, 234, 234}, |
| 216 | {wxT("VIOLET"), 79, 47, 79}, |
| 217 | {wxT("VIOLET RED"), 204, 50, 153}, |
| 218 | {wxT("WHEAT"), 216, 216, 191}, |
| 219 | {wxT("WHITE"), 255, 255, 255}, |
| 220 | {wxT("YELLOW"), 255, 255, 0}, |
| 221 | {wxT("YELLOW GREEN"), 153, 204, 50}, |
| 222 | // #endif |
| 223 | |
| 224 | #if defined(__WXGTK__) || defined(__X__) |
| 225 | {wxT("MEDIUM GOLDENROD"), 234, 234, 173}, |
| 226 | {wxT("MEDIUM FOREST GREEN"), 107, 142, 35}, |
| 227 | {wxT("LIGHT MAGENTA"), 255, 0, 255}, |
| 228 | {wxT("MEDIUM GREY"), 100, 100, 100}, |
| 229 | #endif |
| 230 | |
| 231 | {0,0,0,0} |
| 232 | }; |
| 233 | int i; |
| 234 | for (i=0;cc=table[i],cc.name!=0;i++) |
| 235 | { |
| 236 | Append(cc.name,new wxColour(cc.r,cc.g,cc.b)); |
| 237 | } |
| 238 | |
| 239 | } |
| 240 | |
| 241 | /* |
| 242 | * Changed by Ian Brown, July 1994. |
| 243 | * |
| 244 | * When running under X, the Colour Database starts off empty. The X server |
| 245 | * is queried for the colour first time after which it is entered into the |
| 246 | * database. This allows our client to use the server colour database which |
| 247 | * is hopefully gamma corrected for the display being used. |
| 248 | */ |
| 249 | |
| 250 | wxColour *wxColourDatabase::FindColour(const wxString& colour) |
| 251 | { |
| 252 | // VZ: make the comparaison case insensitive |
| 253 | wxString str = colour; |
| 254 | str.MakeUpper(); |
| 255 | |
| 256 | wxNode *node = Find(str); |
| 257 | if (node) |
| 258 | return (wxColour *)node->Data(); |
| 259 | |
| 260 | #ifdef __WXMSW__ |
| 261 | else return NULL; |
| 262 | #endif |
| 263 | #ifdef __WXPM__ |
| 264 | else return NULL; |
| 265 | #endif |
| 266 | |
| 267 | // TODO for other implementations. This should really go into |
| 268 | // platform-specific directories. |
| 269 | #ifdef __WXMAC__ |
| 270 | else return NULL; |
| 271 | #endif |
| 272 | #ifdef __WXSTUBS__ |
| 273 | else return NULL; |
| 274 | #endif |
| 275 | |
| 276 | #ifdef __WXGTK__ |
| 277 | else { |
| 278 | wxColour *col = new wxColour( colour ); |
| 279 | |
| 280 | if (!(col->Ok())) { |
| 281 | delete col; |
| 282 | return (wxColour *) NULL; |
| 283 | } |
| 284 | Append( colour, col ); |
| 285 | return col; |
| 286 | } |
| 287 | #endif |
| 288 | |
| 289 | #ifdef __X__ |
| 290 | else { |
| 291 | XColor xcolour; |
| 292 | |
| 293 | #ifdef __WXMOTIF__ |
| 294 | Display *display = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()) ; |
| 295 | #endif |
| 296 | #ifdef __XVIEW__ |
| 297 | Xv_Screen screen = xv_get(xview_server, SERVER_NTH_SCREEN, 0); |
| 298 | Xv_opaque root_window = xv_get(screen, XV_ROOT); |
| 299 | Display *display = (Display *)xv_get(root_window, XV_DISPLAY); |
| 300 | #endif |
| 301 | |
| 302 | /* MATTHEW: [4] Use wxGetMainColormap */ |
| 303 | if (!XParseColor(display, (Colormap) wxTheApp->GetMainColormap((WXDisplay*) display), colour,&xcolour)) |
| 304 | return NULL; |
| 305 | |
| 306 | unsigned char r = (unsigned char)(xcolour.red >> 8); |
| 307 | unsigned char g = (unsigned char)(xcolour.green >> 8); |
| 308 | unsigned char b = (unsigned char)(xcolour.blue >> 8); |
| 309 | |
| 310 | wxColour *col = new wxColour(r, g, b); |
| 311 | Append(colour, col); |
| 312 | |
| 313 | return col; |
| 314 | } |
| 315 | #endif |
| 316 | } |
| 317 | |
| 318 | wxString wxColourDatabase::FindName (const wxColour& colour) const |
| 319 | { |
| 320 | wxString name; |
| 321 | |
| 322 | unsigned char red = colour.Red (); |
| 323 | unsigned char green = colour.Green (); |
| 324 | unsigned char blue = colour.Blue (); |
| 325 | |
| 326 | for (wxNode * node = First (); node; node = node->Next ()) |
| 327 | { |
| 328 | wxColour *col = (wxColour *) node->Data (); |
| 329 | |
| 330 | if (col->Red () == red && col->Green () == green && col->Blue () == blue) |
| 331 | { |
| 332 | const wxChar *found = node->GetKeyString(); |
| 333 | if ( found ) |
| 334 | { |
| 335 | name = found; |
| 336 | |
| 337 | break; |
| 338 | } |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | return name; |
| 343 | } |
| 344 | |
| 345 | void wxInitializeStockLists () { |
| 346 | wxTheBrushList = new wxBrushList; |
| 347 | wxThePenList = new wxPenList; |
| 348 | wxTheFontList = new wxFontList; |
| 349 | wxTheBitmapList = new wxBitmapList; |
| 350 | } |
| 351 | |
| 352 | void wxInitializeStockObjects () |
| 353 | { |
| 354 | #ifdef __WXMOTIF__ |
| 355 | #endif |
| 356 | #ifdef __X__ |
| 357 | // TODO |
| 358 | // wxFontPool = new XFontPool; |
| 359 | #endif |
| 360 | |
| 361 | // why under MSW fonts shouldn't have the standard system size? |
| 362 | #ifdef __WXMSW__ |
| 363 | static const int sizeFont = 10; |
| 364 | #else |
| 365 | static const int sizeFont = 12; |
| 366 | #endif |
| 367 | |
| 368 | wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxNORMAL); |
| 369 | wxSMALL_FONT = new wxFont (sizeFont - 2, wxSWISS, wxNORMAL, wxNORMAL); |
| 370 | wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL); |
| 371 | wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); |
| 372 | |
| 373 | wxRED_PEN = new wxPen ("RED", 1, wxSOLID); |
| 374 | wxCYAN_PEN = new wxPen ("CYAN", 1, wxSOLID); |
| 375 | wxGREEN_PEN = new wxPen ("GREEN", 1, wxSOLID); |
| 376 | wxBLACK_PEN = new wxPen ("BLACK", 1, wxSOLID); |
| 377 | wxWHITE_PEN = new wxPen ("WHITE", 1, wxSOLID); |
| 378 | wxTRANSPARENT_PEN = new wxPen ("BLACK", 1, wxTRANSPARENT); |
| 379 | wxBLACK_DASHED_PEN = new wxPen ("BLACK", 1, wxSHORT_DASH); |
| 380 | wxGREY_PEN = new wxPen ("GREY", 1, wxSOLID); |
| 381 | wxMEDIUM_GREY_PEN = new wxPen ("MEDIUM GREY", 1, wxSOLID); |
| 382 | wxLIGHT_GREY_PEN = new wxPen ("LIGHT GREY", 1, wxSOLID); |
| 383 | |
| 384 | wxBLUE_BRUSH = new wxBrush ("BLUE", wxSOLID); |
| 385 | wxGREEN_BRUSH = new wxBrush ("GREEN", wxSOLID); |
| 386 | wxWHITE_BRUSH = new wxBrush ("WHITE", wxSOLID); |
| 387 | wxBLACK_BRUSH = new wxBrush ("BLACK", wxSOLID); |
| 388 | wxTRANSPARENT_BRUSH = new wxBrush ("BLACK", wxTRANSPARENT); |
| 389 | wxCYAN_BRUSH = new wxBrush ("CYAN", wxSOLID); |
| 390 | wxRED_BRUSH = new wxBrush ("RED", wxSOLID); |
| 391 | wxGREY_BRUSH = new wxBrush ("GREY", wxSOLID); |
| 392 | wxMEDIUM_GREY_BRUSH = new wxBrush ("MEDIUM GREY", wxSOLID); |
| 393 | wxLIGHT_GREY_BRUSH = new wxBrush ("LIGHT GREY", wxSOLID); |
| 394 | |
| 395 | wxBLACK = new wxColour ("BLACK"); |
| 396 | wxWHITE = new wxColour ("WHITE"); |
| 397 | wxRED = new wxColour ("RED"); |
| 398 | wxBLUE = new wxColour ("BLUE"); |
| 399 | wxGREEN = new wxColour ("GREEN"); |
| 400 | wxCYAN = new wxColour ("CYAN"); |
| 401 | wxLIGHT_GREY = new wxColour ("LIGHT GREY"); |
| 402 | |
| 403 | wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW); |
| 404 | wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT); |
| 405 | wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS); |
| 406 | } |
| 407 | |
| 408 | void wxDeleteStockObjects () |
| 409 | { |
| 410 | wxDELETE(wxNORMAL_FONT); |
| 411 | wxDELETE(wxSMALL_FONT); |
| 412 | wxDELETE(wxITALIC_FONT); |
| 413 | wxDELETE(wxSWISS_FONT); |
| 414 | |
| 415 | wxDELETE(wxRED_PEN); |
| 416 | wxDELETE(wxCYAN_PEN); |
| 417 | wxDELETE(wxGREEN_PEN); |
| 418 | wxDELETE(wxBLACK_PEN); |
| 419 | wxDELETE(wxWHITE_PEN); |
| 420 | wxDELETE(wxTRANSPARENT_PEN); |
| 421 | wxDELETE(wxBLACK_DASHED_PEN); |
| 422 | wxDELETE(wxGREY_PEN); |
| 423 | wxDELETE(wxMEDIUM_GREY_PEN); |
| 424 | wxDELETE(wxLIGHT_GREY_PEN); |
| 425 | |
| 426 | wxDELETE(wxBLUE_BRUSH); |
| 427 | wxDELETE(wxGREEN_BRUSH); |
| 428 | wxDELETE(wxWHITE_BRUSH); |
| 429 | wxDELETE(wxBLACK_BRUSH); |
| 430 | wxDELETE(wxTRANSPARENT_BRUSH); |
| 431 | wxDELETE(wxCYAN_BRUSH); |
| 432 | wxDELETE(wxRED_BRUSH); |
| 433 | wxDELETE(wxGREY_BRUSH); |
| 434 | wxDELETE(wxMEDIUM_GREY_BRUSH); |
| 435 | wxDELETE(wxLIGHT_GREY_BRUSH); |
| 436 | |
| 437 | wxDELETE(wxBLACK); |
| 438 | wxDELETE(wxWHITE); |
| 439 | wxDELETE(wxRED); |
| 440 | wxDELETE(wxBLUE); |
| 441 | wxDELETE(wxGREEN); |
| 442 | wxDELETE(wxCYAN); |
| 443 | wxDELETE(wxLIGHT_GREY); |
| 444 | |
| 445 | wxDELETE(wxSTANDARD_CURSOR); |
| 446 | wxDELETE(wxHOURGLASS_CURSOR); |
| 447 | wxDELETE(wxCROSS_CURSOR); |
| 448 | } |
| 449 | |
| 450 | void wxDeleteStockLists() { |
| 451 | wxDELETE(wxTheBrushList); |
| 452 | wxDELETE(wxThePenList); |
| 453 | wxDELETE(wxTheFontList); |
| 454 | wxDELETE(wxTheBitmapList); |
| 455 | } |
| 456 | |
| 457 | wxBitmapList::wxBitmapList () |
| 458 | { |
| 459 | } |
| 460 | |
| 461 | wxBitmapList::~wxBitmapList () |
| 462 | { |
| 463 | wxNode *node = First (); |
| 464 | while (node) |
| 465 | { |
| 466 | wxBitmap *bitmap = (wxBitmap *) node->Data (); |
| 467 | wxNode *next = node->Next (); |
| 468 | if (bitmap->GetVisible()) |
| 469 | delete bitmap; |
| 470 | node = next; |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | // Pen and Brush lists |
| 475 | wxPenList::~wxPenList () |
| 476 | { |
| 477 | wxNode *node = First (); |
| 478 | while (node) |
| 479 | { |
| 480 | wxPen *pen = (wxPen *) node->Data (); |
| 481 | wxNode *next = node->Next (); |
| 482 | if (pen->GetVisible()) |
| 483 | delete pen; |
| 484 | node = next; |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | void wxPenList::AddPen (wxPen * pen) |
| 489 | { |
| 490 | Append (pen); |
| 491 | } |
| 492 | |
| 493 | void wxPenList::RemovePen (wxPen * pen) |
| 494 | { |
| 495 | DeleteObject (pen); |
| 496 | } |
| 497 | |
| 498 | wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style) |
| 499 | { |
| 500 | for (wxNode * node = First (); node; node = node->Next ()) |
| 501 | { |
| 502 | wxPen *each_pen = (wxPen *) node->Data (); |
| 503 | if (each_pen && |
| 504 | each_pen->GetVisible() && |
| 505 | each_pen->GetWidth () == width && |
| 506 | each_pen->GetStyle () == style && |
| 507 | each_pen->GetColour ().Red () == colour.Red () && |
| 508 | each_pen->GetColour ().Green () == colour.Green () && |
| 509 | each_pen->GetColour ().Blue () == colour.Blue ()) |
| 510 | return each_pen; |
| 511 | } |
| 512 | wxPen *pen = new wxPen (colour, width, style); |
| 513 | |
| 514 | // Yes, we can return a pointer to this in a later FindOrCreatePen call, |
| 515 | // because we created it within FindOrCreatePen. Safeguards against |
| 516 | // returning a pointer to an automatic variable and hanging on to it |
| 517 | // (dangling pointer). |
| 518 | pen->SetVisible(TRUE); |
| 519 | |
| 520 | return pen; |
| 521 | } |
| 522 | |
| 523 | wxBrushList::~wxBrushList () |
| 524 | { |
| 525 | wxNode *node = First (); |
| 526 | while (node) |
| 527 | { |
| 528 | wxBrush *brush = (wxBrush *) node->Data (); |
| 529 | wxNode *next = node->Next (); |
| 530 | if (brush->GetVisible()) |
| 531 | delete brush; |
| 532 | node = next; |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | void wxBrushList::AddBrush (wxBrush * brush) |
| 537 | { |
| 538 | Append (brush); |
| 539 | } |
| 540 | |
| 541 | wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style) |
| 542 | { |
| 543 | for (wxNode * node = First (); node; node = node->Next ()) |
| 544 | { |
| 545 | wxBrush *each_brush = (wxBrush *) node->Data (); |
| 546 | if (each_brush && |
| 547 | each_brush->GetVisible() && |
| 548 | each_brush->GetStyle () == style && |
| 549 | each_brush->GetColour ().Red () == colour.Red () && |
| 550 | each_brush->GetColour ().Green () == colour.Green () && |
| 551 | each_brush->GetColour ().Blue () == colour.Blue ()) |
| 552 | return each_brush; |
| 553 | } |
| 554 | |
| 555 | // Yes, we can return a pointer to this in a later FindOrCreateBrush call, |
| 556 | // because we created it within FindOrCreateBrush. Safeguards against |
| 557 | // returning a pointer to an automatic variable and hanging on to it |
| 558 | // (dangling pointer). |
| 559 | wxBrush *brush = new wxBrush (colour, style); |
| 560 | |
| 561 | brush->SetVisible(TRUE); |
| 562 | |
| 563 | return brush; |
| 564 | } |
| 565 | |
| 566 | void wxBrushList::RemoveBrush (wxBrush * brush) |
| 567 | { |
| 568 | DeleteObject (brush); |
| 569 | } |
| 570 | |
| 571 | wxFontList::~wxFontList () |
| 572 | { |
| 573 | wxNode *node = First (); |
| 574 | while (node) |
| 575 | { |
| 576 | // Only delete objects that are 'visible', i.e. |
| 577 | // that have been created using FindOrCreate..., |
| 578 | // where the pointers are expected to be shared |
| 579 | // (and therefore not deleted by any one part of an app). |
| 580 | wxFont *font = (wxFont *) node->Data (); |
| 581 | wxNode *next = node->Next (); |
| 582 | if (font->GetVisible()) |
| 583 | delete font; |
| 584 | node = next; |
| 585 | } |
| 586 | } |
| 587 | |
| 588 | void wxFontList::AddFont (wxFont * font) |
| 589 | { |
| 590 | Append (font); |
| 591 | } |
| 592 | |
| 593 | void wxFontList::RemoveFont (wxFont * font) |
| 594 | { |
| 595 | DeleteObject (font); |
| 596 | } |
| 597 | |
| 598 | wxFont *wxFontList:: |
| 599 | FindOrCreateFont (int PointSize, int FamilyOrFontId, int Style, int Weight, bool underline, const wxString& Face, wxFontEncoding encoding) |
| 600 | { |
| 601 | for (wxNode * node = First (); node; node = node->Next ()) |
| 602 | { |
| 603 | wxFont *each_font = (wxFont *) node->Data (); |
| 604 | if (each_font && |
| 605 | each_font->GetVisible() && |
| 606 | each_font->Ok() && |
| 607 | each_font->GetPointSize () == PointSize && |
| 608 | each_font->GetStyle () == Style && |
| 609 | each_font->GetWeight () == Weight && |
| 610 | each_font->GetUnderlined () == underline && |
| 611 | #if defined(__WXGTK__) |
| 612 | (each_font->GetFamily() == FamilyOrFontId || |
| 613 | (each_font->GetFamily() == wxSWISS && FamilyOrFontId == wxDEFAULT)) && |
| 614 | #else |
| 615 | each_font->GetFamily() == FamilyOrFontId && |
| 616 | #endif |
| 617 | ((each_font->GetFaceName() == wxT("")) || each_font->GetFaceName() == Face) && |
| 618 | (encoding == wxFONTENCODING_DEFAULT || each_font->GetEncoding() == encoding)) |
| 619 | return each_font; |
| 620 | } |
| 621 | wxFont *font = new wxFont (PointSize, FamilyOrFontId, Style, Weight, underline, Face, encoding); |
| 622 | |
| 623 | font->SetVisible(TRUE); |
| 624 | |
| 625 | return font; |
| 626 | } |
| 627 | |
| 628 | void wxBitmapList::AddBitmap(wxBitmap *bitmap) |
| 629 | { |
| 630 | Append(bitmap); |
| 631 | } |
| 632 | |
| 633 | void wxBitmapList::RemoveBitmap(wxBitmap *bitmap) |
| 634 | { |
| 635 | DeleteObject(bitmap); |
| 636 | } |
| 637 | |
| 638 | wxSize wxGetDisplaySize() |
| 639 | { |
| 640 | int x, y; |
| 641 | wxDisplaySize(& x, & y); |
| 642 | return wxSize(x, y); |
| 643 | } |
| 644 | |
| 645 | wxResourceCache::~wxResourceCache () |
| 646 | { |
| 647 | wxNode *node = First (); |
| 648 | while (node) { |
| 649 | wxGDIObject *item = (wxGDIObject *)node->Data(); |
| 650 | if (item->IsKindOf(CLASSINFO(wxBrush))) { |
| 651 | wxBrush *brush = (wxBrush *)item; |
| 652 | delete brush; |
| 653 | } |
| 654 | |
| 655 | if (item->IsKindOf(CLASSINFO(wxFont))) { |
| 656 | wxFont *font = (wxFont *)item; |
| 657 | delete font; |
| 658 | } |
| 659 | |
| 660 | if (item->IsKindOf(CLASSINFO(wxBitmap))) { |
| 661 | wxBitmap *bitmap = (wxBitmap *)item; |
| 662 | delete bitmap; |
| 663 | } |
| 664 | |
| 665 | if (item->IsKindOf(CLASSINFO(wxColour))) { |
| 666 | wxColour *colour = (wxColour *)item; |
| 667 | delete colour; |
| 668 | } |
| 669 | |
| 670 | wxNode *next = node->Next (); |
| 671 | node = next; |
| 672 | } |
| 673 | } |
| 674 | |