src/common/gdicmn.cpp

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