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 #include "wx/gdicmn.h"
  24 #include "wx/brush.h"
  25 #include "wx/pen.h"
  26 #include "wx/bitmap.h"
  27 #include "wx/icon.h"
  28 #include "wx/cursor.h"
  29 #include "wx/font.h"
  30 #include "wx/palette.h"
  31
  32 #include <string.h>
  33
  34 #ifdef __WXMSW__
  35 #include <windows.h>
  36 #endif
  37
  38 #if !USE_SHARED_LIBRARY
  39 IMPLEMENT_CLASS(wxColourDatabase, wxList)
  40 IMPLEMENT_DYNAMIC_CLASS(wxFontList, wxList)
  41 IMPLEMENT_DYNAMIC_CLASS(wxPenList, wxList)
  42 IMPLEMENT_DYNAMIC_CLASS(wxBrushList, wxList)
  43 IMPLEMENT_DYNAMIC_CLASS(wxBitmapList, wxList)
  44 IMPLEMENT_DYNAMIC_CLASS(wxResourceCache, wxList)
  45 /*
  46 IMPLEMENT_DYNAMIC_CLASS(wxRect, wxObject)
  47 IMPLEMENT_DYNAMIC_CLASS(wxPoint, wxObject)
  48 IMPLEMENT_DYNAMIC_CLASS(wxRealPoint, wxObject)
  49 */
  50 #endif
  51
  52 wxRect::wxRect()
  53 {
  54     x = 0; y = 0; width = 0; height = 0;
  55 }
  56
  57 wxRect::wxRect(long xx, long yy, long w, long h)
  58 {
  59     x = xx; y = yy; width = w; height = h;
  60 }
  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     x -= 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 wxRect::wxRect(const wxRect& rect)
  89 {
  90     x = rect.x;
  91     y = rect.y;
  92     width = rect.width;
  93     height = rect.height;
  94 }
  95
  96 wxRect& wxRect::operator = (const wxRect& rect)
  97 {
  98     x = rect.x; y = rect.y; width = rect.width; height = rect.height;
  99     return *this;
 100 }
 101
 102 bool wxRect::operator == (const wxRect& rect)
 103 {
 104   return ((x == rect.x) &&
 105           (y == rect.y) &&
 106           (width == rect.width) &&
 107           (height == rect.height));
 108 }
 109
 110 bool wxRect::operator != (const wxRect& rect)
 111 {
 112   return ((x != rect.x) ||
 113           (y != rect.y) ||
 114           (width != rect.width) ||
 115           (height != rect.height));
 116 }
 117
 118 wxColourDatabase::wxColourDatabase (int type):
 119 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    char *name;
 145    int r,g,b;
 146   };
 147   cdef cc;
 148   static cdef table[]={
 149
 150 // #ifdef __WXMSW__
 151    {"AQUAMARINE",112, 219, 147},
 152    {"BLACK",0, 0, 0},
 153    {"BLUE", 0, 0, 255},
 154    {"BLUE VIOLET", 159, 95, 159},
 155    {"BROWN", 165, 42, 42},
 156    {"CADET BLUE", 95, 159, 159},
 157    {"CORAL", 255, 127, 0},
 158    {"CORNFLOWER BLUE", 66, 66, 111},
 159    {"CYAN", 0, 255, 255},
 160    {"DARK GREY", 47, 47, 47},   // ?
 161
 162    {"DARK GREEN", 47, 79, 47},
 163    {"DARK OLIVE GREEN", 79, 79, 47},
 164    {"DARK ORCHID", 153, 50, 204},
 165    {"DARK SLATE BLUE", 107, 35, 142},
 166    {"DARK SLATE GREY", 47, 79, 79},
 167    {"DARK TURQUOISE", 112, 147, 219},
 168    {"DIM GREY", 84, 84, 84},
 169    {"FIREBRICK", 142, 35, 35},
 170    {"FOREST GREEN", 35, 142, 35},
 171    {"GOLD", 204, 127, 50},
 172    {"GOLDENROD", 219, 219, 112},
 173    {"GREY", 128, 128, 128},
 174    {"GREEN", 0, 255, 0},
 175    {"GREEN YELLOW", 147, 219, 112},
 176    {"INDIAN RED", 79, 47, 47},
 177    {"KHAKI", 159, 159, 95},
 178    {"LIGHT BLUE", 191, 216, 216},
 179    {"LIGHT GREY", 192, 192, 192},
 180    {"LIGHT STEEL BLUE", 143, 143, 188},
 181    {"LIME GREEN", 50, 204, 50},
 182    {"LIGHT MAGENTA", 255, 0, 255},
 183    {"MAGENTA", 255, 0, 255},
 184    {"MAROON", 142, 35, 107},
 185    {"MEDIUM AQUAMARINE", 50, 204, 153},
 186    {"MEDIUM GREY", 100, 100, 100},
 187    {"MEDIUM BLUE", 50, 50, 204},
 188    {"MEDIUM FOREST GREEN", 107, 142, 35},
 189    {"MEDIUM GOLDENROD", 234, 234, 173},
 190    {"MEDIUM ORCHID", 147, 112, 219},
 191    {"MEDIUM SEA GREEN", 66, 111, 66},
 192    {"MEDIUM SLATE BLUE", 127, 0, 255},
 193    {"MEDIUM SPRING GREEN", 127, 255, 0},
 194    {"MEDIUM TURQUOISE", 112, 219, 219},
 195    {"MEDIUM VIOLET RED", 219, 112, 147},
 196    {"MIDNIGHT BLUE", 47, 47, 79},
 197    {"NAVY", 35, 35, 142},
 198    {"ORANGE", 204, 50, 50},
 199    {"ORANGE RED", 255, 0, 127},
 200    {"ORCHID", 219, 112, 219},
 201    {"PALE GREEN", 143, 188, 143},
 202    {"PINK", 188, 143, 234},
 203    {"PLUM", 234, 173, 234},
 204    {"PURPLE", 176, 0, 255},
 205    {"RED", 255, 0, 0},
 206    {"SALMON", 111, 66, 66},
 207    {"SEA GREEN", 35, 142, 107},
 208    {"SIENNA", 142, 107, 35},
 209    {"SKY BLUE", 50, 153, 204},
 210    {"SLATE BLUE", 0, 127, 255},
 211    {"SPRING GREEN", 0, 255, 127},
 212    {"STEEL BLUE", 35, 107, 142},
 213    {"TAN", 219, 147, 112},
 214    {"THISTLE", 216, 191, 216},
 215    {"TURQUOISE", 173, 234, 234},
 216    {"VIOLET", 79, 47, 79},
 217    {"VIOLET RED", 204, 50, 153},
 218    {"WHEAT", 216, 216, 191},
 219    {"WHITE", 255, 255, 255},
 220    {"YELLOW", 255, 255, 0},
 221    {"YELLOW GREEN", 153, 204, 50},
 222 // #endif
 223
 224 #if defined(__WXGTK__) || defined(__X__)
 225    {"MEDIUM GOLDENROD", 234, 234, 173},
 226    {"MEDIUM FOREST GREEN", 107, 142, 35},
 227    {"LIGHT MAGENTA", 255, 0, 255},
 228    {"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   wxNode *node = Find((char *) (const char *)colour);
 253   if (node)
 254     return (wxColour *)node->Data();
 255
 256 #ifdef __WXMSW__
 257   else return NULL;
 258 #endif
 259
 260 // TODO for other implementations. This should really go into
 261 // platform-specific directories.
 262 #ifdef __WXSTUBS__
 263   else return NULL;
 264 #endif
 265
 266 #ifdef __WXGTK__
 267   else {
 268     wxColour *col = new wxColour( colour );
 269
 270     if (!(col->Ok())) {
 271       delete col;
 272       return NULL;
 273     }
 274     Append( colour, col );
 275     return col;
 276   }
 277 #endif
 278
 279 #ifdef __X__
 280   else {
 281     XColor xcolour;
 282
 283 #ifdef __WXMOTIF__
 284     Display *display = XtDisplay(wxTheApp->topLevel) ;
 285 #endif
 286 #ifdef __XVIEW__
 287     Xv_Screen screen = xv_get(xview_server, SERVER_NTH_SCREEN, 0);
 288     Xv_opaque root_window = xv_get(screen, XV_ROOT);
 289     Display *display = (Display *)xv_get(root_window, XV_DISPLAY);
 290 #endif
 291
 292     /* MATTHEW: [4] Use wxGetMainColormap */
 293     if (!XParseColor(display, wxGetMainColormap(display), colour,&xcolour))
 294       return NULL;
 295
 296     unsigned char r = (unsigned char)(xcolour.red >> 8);
 297     unsigned char g = (unsigned char)(xcolour.green >> 8);
 298     unsigned char b = (unsigned char)(xcolour.blue >> 8);
 299
 300     wxColour *col = new wxColour(r, g, b);
 301     Append(colour, col);
 302
 303     return col;
 304   }
 305 #endif
 306 }
 307
 308 wxString wxColourDatabase::FindName (const wxColour& colour) const
 309 {
 310   unsigned char red = colour.Red ();
 311   unsigned char green = colour.Green ();
 312   unsigned char blue = colour.Blue ();
 313
 314   for (wxNode * node = First (); node; node = node->Next ())
 315   {
 316       wxColour *col = (wxColour *) node->Data ();
 317
 318       if (col->Red () == red && col->Green () == green && col->Blue () == blue)
 319         {
 320           char *found = node->key.string;
 321           if (found)
 322             return wxString(found);
 323         }
 324   }
 325   return wxString("");                  // Not Found
 326
 327 }
 328
 329 void wxInitializeStockLists () {
 330   wxTheBrushList = new wxBrushList;
 331   wxThePenList = new wxPenList;
 332   wxTheFontList = new wxFontList;
 333   wxTheBitmapList = new wxBitmapList;
 334 }
 335
 336 void wxInitializeStockObjects ()
 337 {
 338 #ifdef __WXMOTIF__
 339 #endif
 340 #ifdef __X__
 341   wxFontPool = new XFontPool;
 342 #endif
 343
 344   wxNORMAL_FONT = new wxFont (12, wxMODERN, wxNORMAL, wxNORMAL);
 345   wxSMALL_FONT = new wxFont (10, wxSWISS, wxNORMAL, wxNORMAL);
 346   wxITALIC_FONT = new wxFont (12, wxROMAN, wxITALIC, wxNORMAL);
 347   wxSWISS_FONT = new wxFont (12, wxSWISS, wxNORMAL, wxNORMAL);
 348
 349   wxRED_PEN = new wxPen ("RED", 1, wxSOLID);
 350   wxCYAN_PEN = new wxPen ("CYAN", 1, wxSOLID);
 351   wxGREEN_PEN = new wxPen ("GREEN", 1, wxSOLID);
 352   wxBLACK_PEN = new wxPen ("BLACK", 1, wxSOLID);
 353   wxWHITE_PEN = new wxPen ("WHITE", 1, wxSOLID);
 354   wxTRANSPARENT_PEN = new wxPen ("BLACK", 1, wxTRANSPARENT);
 355   wxBLACK_DASHED_PEN = new wxPen ("BLACK", 1, wxSHORT_DASH);
 356   wxGREY_PEN = new wxPen ("GREY", 1, wxSOLID);
 357   wxMEDIUM_GREY_PEN = new wxPen ("MEDIUM GREY", 1, wxSOLID);
 358   wxLIGHT_GREY_PEN = new wxPen ("LIGHT GREY", 1, wxSOLID);
 359
 360   wxBLUE_BRUSH = new wxBrush ("BLUE", wxSOLID);
 361   wxGREEN_BRUSH = new wxBrush ("GREEN", wxSOLID);
 362   wxWHITE_BRUSH = new wxBrush ("WHITE", wxSOLID);
 363   wxBLACK_BRUSH = new wxBrush ("BLACK", wxSOLID);
 364   wxTRANSPARENT_BRUSH = new wxBrush ("BLACK", wxTRANSPARENT);
 365   wxCYAN_BRUSH = new wxBrush ("CYAN", wxSOLID);
 366   wxRED_BRUSH = new wxBrush ("RED", wxSOLID);
 367   wxGREY_BRUSH = new wxBrush ("GREY", wxSOLID);
 368   wxMEDIUM_GREY_BRUSH = new wxBrush ("MEDIUM GREY", wxSOLID);
 369   wxLIGHT_GREY_BRUSH = new wxBrush ("LIGHT GREY", wxSOLID);
 370
 371   wxBLACK = new wxColour ("BLACK");
 372   wxWHITE = new wxColour ("WHITE");
 373   wxRED = new wxColour ("RED");
 374   wxBLUE = new wxColour ("BLUE");
 375   wxGREEN = new wxColour ("GREEN");
 376   wxCYAN = new wxColour ("CYAN");
 377   wxLIGHT_GREY = new wxColour ("LIGHT GREY");
 378
 379   wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
 380   wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
 381   wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
 382 }
 383
 384 void
 385 wxDeleteStockObjects ()
 386 {
 387   wxDELETE(wxNORMAL_FONT);
 388   wxDELETE(wxSMALL_FONT);
 389   wxDELETE(wxITALIC_FONT);
 390   wxDELETE(wxSWISS_FONT);
 391
 392   wxDELETE(wxRED_PEN);
 393   wxDELETE(wxCYAN_PEN);
 394   wxDELETE(wxGREEN_PEN);
 395   wxDELETE(wxBLACK_PEN);
 396   wxDELETE(wxWHITE_PEN);
 397   wxDELETE(wxTRANSPARENT_PEN);
 398   wxDELETE(wxBLACK_DASHED_PEN);
 399   wxDELETE(wxGREY_PEN);
 400   wxDELETE(wxMEDIUM_GREY_PEN);
 401   wxDELETE(wxLIGHT_GREY_PEN);
 402
 403   wxDELETE(wxBLUE_BRUSH);
 404   wxDELETE(wxGREEN_BRUSH);
 405   wxDELETE(wxWHITE_BRUSH);
 406   wxDELETE(wxBLACK_BRUSH);
 407   wxDELETE(wxTRANSPARENT_BRUSH);
 408   wxDELETE(wxCYAN_BRUSH);
 409   wxDELETE(wxRED_BRUSH);
 410   wxDELETE(wxGREY_BRUSH);
 411   wxDELETE(wxMEDIUM_GREY_BRUSH);
 412   wxDELETE(wxLIGHT_GREY_BRUSH);
 413
 414   wxDELETE(wxBLACK);
 415   wxDELETE(wxWHITE);
 416   wxDELETE(wxRED);
 417   wxDELETE(wxBLUE);
 418   wxDELETE(wxGREEN);
 419   wxDELETE(wxCYAN);
 420   wxDELETE(wxLIGHT_GREY);
 421
 422   wxDELETE(wxSTANDARD_CURSOR);
 423   wxDELETE(wxHOURGLASS_CURSOR);
 424   wxDELETE(wxCROSS_CURSOR);
 425 }
 426
 427 void wxDeleteStockLists() {
 428   wxDELETE(wxTheBrushList);
 429   wxDELETE(wxThePenList);
 430   wxDELETE(wxTheFontList);
 431   wxDELETE(wxTheBitmapList);
 432 }
 433
 434 wxBitmapList::wxBitmapList ()
 435 {
 436 }
 437
 438 wxBitmapList::~wxBitmapList ()
 439 {
 440   printf( "Count: %d.\n", Number() );
 441
 442   wxNode *node = First ();
 443   while (node)
 444     {
 445       wxBitmap *bitmap = (wxBitmap *) node->Data ();
 446       wxNode *next = node->Next ();
 447       delete bitmap;
 448 //      bitmap->FreeResource(TRUE);
 449       node = next;
 450     }
 451 }
 452
 453 // Pen and Brush lists
 454 wxPenList::~wxPenList ()
 455 {
 456   wxNode *node = First ();
 457   while (node)
 458     {
 459       wxPen *pen = (wxPen *) node->Data ();
 460       wxNode *next = node->Next ();
 461       delete pen;
 462 //      pen->FreeResource(TRUE);
 463       node = next;
 464     }
 465 }
 466
 467 void wxPenList::AddPen (wxPen * pen)
 468 {
 469   Append (pen);
 470 }
 471
 472 void wxPenList::RemovePen (wxPen * pen)
 473 {
 474   DeleteObject (pen);
 475 }
 476
 477 wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
 478 {
 479   for (wxNode * node = First (); node; node = node->Next ())
 480     {
 481       wxPen *each_pen = (wxPen *) node->Data ();
 482       if (each_pen && each_pen->GetVisible() &&
 483           each_pen->GetWidth () == width &&
 484           each_pen->GetStyle () == style &&
 485           each_pen->GetColour ().Red () == colour.Red () &&
 486           each_pen->GetColour ().Green () == colour.Green () &&
 487           each_pen->GetColour ().Blue () == colour.Blue ())
 488         return each_pen;
 489     }
 490   wxPen *pen = new wxPen (colour, width, style);
 491
 492   // Yes, we can return a pointer to this in a later FindOrCreatePen call,
 493   // because we created it within FindOrCreatePen. Safeguards against
 494   // returning a pointer to an automatic variable and hanging on to it
 495   // (dangling pointer).
 496   pen->SetVisible(TRUE);
 497   return pen;
 498 }
 499
 500 wxPen *wxPenList::FindOrCreatePen (const wxString& colour, int width, int style)
 501 {
 502   wxColour *the_colour = wxTheColourDatabase->FindColour (colour);
 503   if (the_colour)
 504     return FindOrCreatePen (*the_colour, width, style);
 505   else
 506     return NULL;
 507 }
 508
 509 wxBrushList::~wxBrushList ()
 510 {
 511   wxNode *node = First ();
 512   while (node)
 513     {
 514       wxBrush *brush = (wxBrush *) node->Data ();
 515       wxNode *next = node->Next ();
 516       delete brush;
 517       node = next;
 518     }
 519 }
 520
 521 void wxBrushList::AddBrush (wxBrush * brush)
 522 {
 523   Append (brush);
 524 }
 525
 526 wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
 527 {
 528   for (wxNode * node = First (); node; node = node->Next ())
 529     {
 530       wxBrush *each_brush = (wxBrush *) node->Data ();
 531       if (each_brush && each_brush->GetVisible() &&
 532           each_brush->GetStyle () == style &&
 533           each_brush->GetColour ().Red () == colour.Red () &&
 534           each_brush->GetColour ().Green () == colour.Green () &&
 535           each_brush->GetColour ().Blue () == colour.Blue ())
 536         return each_brush;
 537     }
 538   // Yes, we can return a pointer to this in a later FindOrCreateBrush call,
 539   // because we created it within FindOrCreateBrush. Safeguards against
 540   // returning a pointer to an automatic variable and hanging on to it
 541   // (dangling pointer).
 542   wxBrush *brush = new wxBrush (colour, style);
 543   brush->SetVisible(TRUE);
 544   return brush;
 545 }
 546
 547 wxBrush *wxBrushList::FindOrCreateBrush (const wxString& colour, int style)
 548 {
 549   wxColour *the_colour = wxTheColourDatabase->FindColour (colour);
 550   if (the_colour)
 551     return FindOrCreateBrush (*the_colour, style);
 552   else
 553     return NULL;
 554 }
 555
 556 void wxBrushList::RemoveBrush (wxBrush * brush)
 557 {
 558   DeleteObject (brush);
 559 }
 560
 561 wxFontList::~wxFontList ()
 562 {
 563 #ifdef __WXMSW__
 564   wxNode *node = First ();
 565   while (node)
 566     {
 567 /*
 568       wxFont *font = (wxFont *) node->Data ();
 569       wxNode *next = node->Next ();
 570       delete font;
 571       node = next;
 572 */
 573           // New for 2.0: don't delete the font (it may be a member
 574           // of a wxDC, for example)
 575       wxFont *font = (wxFont *) node->Data ();
 576       wxNode *next = node->Next ();
 577
 578           // Force the font to be deleted
 579       font->FreeResource(TRUE);
 580       node = next;
 581     }
 582 #endif
 583 }
 584
 585 void wxFontList::AddFont (wxFont * font)
 586 {
 587   Append (font);
 588 }
 589
 590 void wxFontList::RemoveFont (wxFont * font)
 591 {
 592   DeleteObject (font);
 593 }
 594
 595 wxFont *wxFontList::
 596         FindOrCreateFont (int PointSize, int FamilyOrFontId, int Style, int Weight, bool underline, const wxString& Face)
 597 {
 598   for (wxNode * node = First (); node; node = node->Next ())
 599     {
 600       wxFont *each_font = (wxFont *) node->Data ();
 601       if (each_font && each_font->GetVisible() && each_font->Ok() &&
 602           each_font->GetPointSize () == PointSize &&
 603           each_font->GetStyle () == Style &&
 604           each_font->GetWeight () == Weight &&
 605           each_font->GetUnderlined () == underline &&
 606 #if defined(__X__) || (defined(__WXMSW__) && USE_PORTABLE_FONTS_IN_MSW)
 607           each_font->GetFontId () == FamilyOrFontId) /* New font system */
 608 #else
 609           each_font->GetFamily () == FamilyOrFontId &&
 610           (!each_font->GetFaceName() || each_font->GetFaceName() == Face))
 611 #endif
 612         return each_font;
 613     }
 614   wxFont *font = new wxFont (PointSize, FamilyOrFontId, Style, Weight, underline, Face);
 615   font->SetVisible(TRUE);
 616   return font;
 617 }
 618
 619 void wxBitmapList::AddBitmap(wxBitmap *bitmap)
 620 { Append(bitmap); }
 621 void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
 622 { DeleteObject(bitmap); }
 623
 624 wxSize wxGetDisplaySize()
 625 {
 626     int x, y;
 627     wxDisplaySize(& x, & y);
 628     return wxSize(x, y);
 629 }
 630
 631 wxResourceCache::wxResourceCache () : wxList() {
 632 }
 633
 634 wxResourceCache::wxResourceCache (const unsigned int the_key_type) : wxList(the_key_type) {
 635 }
 636
 637 wxResourceCache::~wxResourceCache () {
 638   wxNode *node = First ();
 639   while (node) {
 640     wxGDIObject *item = (wxGDIObject *)node->Data();
 641     if (item->IsKindOf(CLASSINFO(wxBrush))) {
 642       wxBrush *brush = (wxBrush *)item;
 643       delete brush;
 644     }
 645
 646     if (item->IsKindOf(CLASSINFO(wxFont))) {
 647       wxFont *font = (wxFont *)item;
 648       delete font;
 649     }
 650
 651     if (item->IsKindOf(CLASSINFO(wxBitmap))) {
 652       wxBitmap *bitmap = (wxBitmap *)item;
 653       delete bitmap;
 654     }
 655
 656     if (item->IsKindOf(CLASSINFO(wxColour))) {
 657       wxColour *colour = (wxColour *)item;
 658       delete colour;
 659     }
 660
 661     wxNode *next = node->Next ();
 662     node = next;
 663   }
 664 }
 665