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 #ifdef __WXGTK__
 261   else {
 262     wxColour *col = new wxColour( colour );
 263
 264     if (!(col->Ok())) {
 265       delete col;
 266       return NULL;
 267     }
 268     Append( colour, col );
 269     return col;
 270   }
 271 #endif
 272
 273 #ifdef __X__
 274   else {
 275     XColor xcolour;
 276
 277 #ifdef __WXMOTIF__
 278     Display *display = XtDisplay(wxTheApp->topLevel) ;
 279 #endif
 280 #ifdef __XVIEW__
 281     Xv_Screen screen = xv_get(xview_server, SERVER_NTH_SCREEN, 0);
 282     Xv_opaque root_window = xv_get(screen, XV_ROOT);
 283     Display *display = (Display *)xv_get(root_window, XV_DISPLAY);
 284 #endif
 285
 286     /* MATTHEW: [4] Use wxGetMainColormap */
 287     if (!XParseColor(display, wxGetMainColormap(display), colour,&xcolour))
 288       return NULL;
 289
 290     unsigned char r = (unsigned char)(xcolour.red >> 8);
 291     unsigned char g = (unsigned char)(xcolour.green >> 8);
 292     unsigned char b = (unsigned char)(xcolour.blue >> 8);
 293
 294     wxColour *col = new wxColour(r, g, b);
 295     Append(colour, col);
 296
 297     return col;
 298   }
 299 #endif
 300 }
 301
 302 wxString wxColourDatabase::FindName (const wxColour& colour) const
 303 {
 304   unsigned char red = colour.Red ();
 305   unsigned char green = colour.Green ();
 306   unsigned char blue = colour.Blue ();
 307
 308   for (wxNode * node = First (); node; node = node->Next ())
 309   {
 310       wxColour *col = (wxColour *) node->Data ();
 311
 312       if (col->Red () == red && col->Green () == green && col->Blue () == blue)
 313         {
 314           char *found = node->key.string;
 315           if (found)
 316             return wxString(found);
 317         }
 318   }
 319   return wxString("");                  // Not Found
 320
 321 }
 322
 323 void wxInitializeStockLists () {
 324   wxTheBrushList = new wxBrushList;
 325   wxThePenList = new wxPenList;
 326   wxTheFontList = new wxFontList;
 327   wxTheBitmapList = new wxBitmapList;
 328 }
 329
 330 void wxInitializeStockObjects ()
 331 {
 332 #ifdef __WXMOTIF__
 333 #endif
 334 #ifdef __X__
 335   wxFontPool = new XFontPool;
 336 #endif
 337
 338   wxNORMAL_FONT = new wxFont (12, wxMODERN, wxNORMAL, wxNORMAL);
 339   wxSMALL_FONT = new wxFont (10, wxSWISS, wxNORMAL, wxNORMAL);
 340   wxITALIC_FONT = new wxFont (12, wxROMAN, wxITALIC, wxNORMAL);
 341   wxSWISS_FONT = new wxFont (12, wxSWISS, wxNORMAL, wxNORMAL);
 342
 343   wxRED_PEN = new wxPen ("RED", 1, wxSOLID);
 344   wxCYAN_PEN = new wxPen ("CYAN", 1, wxSOLID);
 345   wxGREEN_PEN = new wxPen ("GREEN", 1, wxSOLID);
 346   wxBLACK_PEN = new wxPen ("BLACK", 1, wxSOLID);
 347   wxWHITE_PEN = new wxPen ("WHITE", 1, wxSOLID);
 348   wxTRANSPARENT_PEN = new wxPen ("BLACK", 1, wxTRANSPARENT);
 349   wxBLACK_DASHED_PEN = new wxPen ("BLACK", 1, wxSHORT_DASH);
 350   wxGREY_PEN = new wxPen ("GREY", 1, wxSOLID);
 351   wxMEDIUM_GREY_PEN = new wxPen ("MEDIUM GREY", 1, wxSOLID);
 352   wxLIGHT_GREY_PEN = new wxPen ("LIGHT GREY", 1, wxSOLID);
 353
 354   wxBLUE_BRUSH = new wxBrush ("BLUE", wxSOLID);
 355   wxGREEN_BRUSH = new wxBrush ("GREEN", wxSOLID);
 356   wxWHITE_BRUSH = new wxBrush ("WHITE", wxSOLID);
 357   wxBLACK_BRUSH = new wxBrush ("BLACK", wxSOLID);
 358   wxTRANSPARENT_BRUSH = new wxBrush ("BLACK", wxTRANSPARENT);
 359   wxCYAN_BRUSH = new wxBrush ("CYAN", wxSOLID);
 360   wxRED_BRUSH = new wxBrush ("RED", wxSOLID);
 361   wxGREY_BRUSH = new wxBrush ("GREY", wxSOLID);
 362   wxMEDIUM_GREY_BRUSH = new wxBrush ("MEDIUM GREY", wxSOLID);
 363   wxLIGHT_GREY_BRUSH = new wxBrush ("LIGHT GREY", wxSOLID);
 364
 365   wxBLACK = new wxColour ("BLACK");
 366   wxWHITE = new wxColour ("WHITE");
 367   wxRED = new wxColour ("RED");
 368   wxBLUE = new wxColour ("BLUE");
 369   wxGREEN = new wxColour ("GREEN");
 370   wxCYAN = new wxColour ("CYAN");
 371   wxLIGHT_GREY = new wxColour ("LIGHT GREY");
 372
 373   wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
 374   wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
 375   wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
 376 }
 377
 378 void
 379 wxDeleteStockObjects ()
 380 {
 381
 382   wxDELETE(wxNORMAL_FONT);
 383   wxDELETE(wxSMALL_FONT);
 384   wxDELETE(wxITALIC_FONT);
 385   wxDELETE(wxSWISS_FONT);
 386
 387   wxDELETE(wxRED_PEN);
 388   wxDELETE(wxCYAN_PEN);
 389   wxDELETE(wxGREEN_PEN);
 390   wxDELETE(wxBLACK_PEN);
 391   wxDELETE(wxWHITE_PEN);
 392   wxDELETE(wxTRANSPARENT_PEN);
 393   wxDELETE(wxBLACK_DASHED_PEN);
 394   wxDELETE(wxGREY_PEN);
 395   wxDELETE(wxMEDIUM_GREY_PEN);
 396   wxDELETE(wxLIGHT_GREY_PEN);
 397
 398   wxDELETE(wxBLUE_BRUSH);
 399   wxDELETE(wxGREEN_BRUSH);
 400   wxDELETE(wxWHITE_BRUSH);
 401   wxDELETE(wxBLACK_BRUSH);
 402   wxDELETE(wxTRANSPARENT_BRUSH);
 403   wxDELETE(wxCYAN_BRUSH);
 404   wxDELETE(wxRED_BRUSH);
 405   wxDELETE(wxGREY_BRUSH);
 406   wxDELETE(wxMEDIUM_GREY_BRUSH);
 407   wxDELETE(wxLIGHT_GREY_BRUSH);
 408
 409   wxDELETE(wxBLACK);
 410   wxDELETE(wxWHITE);
 411   wxDELETE(wxRED);
 412   wxDELETE(wxBLUE);
 413   wxDELETE(wxGREEN);
 414   wxDELETE(wxCYAN);
 415   wxDELETE(wxLIGHT_GREY);
 416
 417   wxDELETE(wxSTANDARD_CURSOR);
 418   wxDELETE(wxHOURGLASS_CURSOR);
 419   wxDELETE(wxCROSS_CURSOR);
 420 }
 421
 422 void wxDeleteStockLists() {
 423   wxDELETE(wxTheBrushList);
 424   wxDELETE(wxThePenList);
 425   wxDELETE(wxTheFontList);
 426   wxDELETE(wxTheBitmapList);
 427 }
 428
 429 wxBitmapList::wxBitmapList ()
 430 {
 431 }
 432
 433 wxBitmapList::~wxBitmapList ()
 434 {
 435   wxNode *node = First ();
 436   while (node)
 437     {
 438       wxBitmap *bitmap = (wxBitmap *) node->Data ();
 439       wxNode *next = node->Next ();
 440       delete bitmap;
 441 //      bitmap->FreeResource(TRUE);
 442       node = next;
 443     }
 444 }
 445
 446 // Pen and Brush lists
 447 wxPenList::~wxPenList ()
 448 {
 449   wxNode *node = First ();
 450   while (node)
 451     {
 452       wxPen *pen = (wxPen *) node->Data ();
 453       wxNode *next = node->Next ();
 454       delete pen;
 455 //      pen->FreeResource(TRUE);
 456       node = next;
 457     }
 458 }
 459
 460 void wxPenList::AddPen (wxPen * pen)
 461 {
 462   Append (pen);
 463 }
 464
 465 void wxPenList::RemovePen (wxPen * pen)
 466 {
 467   DeleteObject (pen);
 468 }
 469
 470 wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
 471 {
 472   for (wxNode * node = First (); node; node = node->Next ())
 473     {
 474       wxPen *each_pen = (wxPen *) node->Data ();
 475       if (each_pen && each_pen->GetVisible() &&
 476           each_pen->GetWidth () == width &&
 477           each_pen->GetStyle () == style &&
 478           each_pen->GetColour ().Red () == colour.Red () &&
 479           each_pen->GetColour ().Green () == colour.Green () &&
 480           each_pen->GetColour ().Blue () == colour.Blue ())
 481         return each_pen;
 482     }
 483   wxPen *pen = new wxPen (colour, width, style);
 484
 485   // Yes, we can return a pointer to this in a later FindOrCreatePen call,
 486   // because we created it within FindOrCreatePen. Safeguards against
 487   // returning a pointer to an automatic variable and hanging on to it
 488   // (dangling pointer).
 489   pen->SetVisible(TRUE);
 490   return pen;
 491 }
 492
 493 wxPen *wxPenList::FindOrCreatePen (const wxString& colour, int width, int style)
 494 {
 495   wxColour *the_colour = wxTheColourDatabase->FindColour (colour);
 496   if (the_colour)
 497     return FindOrCreatePen (*the_colour, width, style);
 498   else
 499     return NULL;
 500 }
 501
 502 wxBrushList::~wxBrushList ()
 503 {
 504   wxNode *node = First ();
 505   while (node)
 506     {
 507       wxBrush *brush = (wxBrush *) node->Data ();
 508       wxNode *next = node->Next ();
 509       delete brush;
 510       node = next;
 511     }
 512 }
 513
 514 void wxBrushList::AddBrush (wxBrush * brush)
 515 {
 516   Append (brush);
 517 }
 518
 519 wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
 520 {
 521   for (wxNode * node = First (); node; node = node->Next ())
 522     {
 523       wxBrush *each_brush = (wxBrush *) node->Data ();
 524       if (each_brush && each_brush->GetVisible() &&
 525           each_brush->GetStyle () == style &&
 526           each_brush->GetColour ().Red () == colour.Red () &&
 527           each_brush->GetColour ().Green () == colour.Green () &&
 528           each_brush->GetColour ().Blue () == colour.Blue ())
 529         return each_brush;
 530     }
 531   // Yes, we can return a pointer to this in a later FindOrCreateBrush call,
 532   // because we created it within FindOrCreateBrush. Safeguards against
 533   // returning a pointer to an automatic variable and hanging on to it
 534   // (dangling pointer).
 535   wxBrush *brush = new wxBrush (colour, style);
 536   brush->SetVisible(TRUE);
 537   return brush;
 538 }
 539
 540 wxBrush *wxBrushList::FindOrCreateBrush (const wxString& colour, int style)
 541 {
 542   wxColour *the_colour = wxTheColourDatabase->FindColour (colour);
 543   if (the_colour)
 544     return FindOrCreateBrush (*the_colour, style);
 545   else
 546     return NULL;
 547 }
 548
 549 void wxBrushList::RemoveBrush (wxBrush * brush)
 550 {
 551   DeleteObject (brush);
 552 }
 553
 554 wxFontList::~wxFontList ()
 555 {
 556 #ifdef __WXMSW__
 557   wxNode *node = First ();
 558   while (node)
 559     {
 560 /*
 561       wxFont *font = (wxFont *) node->Data ();
 562       wxNode *next = node->Next ();
 563       delete font;
 564       node = next;
 565 */
 566           // New for 2.0: don't delete the font (it may be a member
 567           // of a wxDC, for example)
 568       wxFont *font = (wxFont *) node->Data ();
 569       wxNode *next = node->Next ();
 570
 571           // Force the font to be deleted
 572       font->FreeResource(TRUE);
 573       node = next;
 574     }
 575 #endif
 576 }
 577
 578 void wxFontList::AddFont (wxFont * font)
 579 {
 580   Append (font);
 581 }
 582
 583 void wxFontList::RemoveFont (wxFont * font)
 584 {
 585   DeleteObject (font);
 586 }
 587
 588 wxFont *wxFontList::
 589         FindOrCreateFont (int PointSize, int FamilyOrFontId, int Style, int Weight, bool underline, const wxString& Face)
 590 {
 591   for (wxNode * node = First (); node; node = node->Next ())
 592     {
 593       wxFont *each_font = (wxFont *) node->Data ();
 594       if (each_font && each_font->GetVisible() && each_font->Ok() &&
 595           each_font->GetPointSize () == PointSize &&
 596           each_font->GetStyle () == Style &&
 597           each_font->GetWeight () == Weight &&
 598           each_font->GetUnderlined () == underline &&
 599 #if defined(__X__) || (defined(__WXMSW__) && USE_PORTABLE_FONTS_IN_MSW)
 600           each_font->GetFontId () == FamilyOrFontId) /* New font system */
 601 #else
 602           each_font->GetFamily () == FamilyOrFontId &&
 603           (!each_font->GetFaceName() || each_font->GetFaceName() == Face))
 604 #endif
 605         return each_font;
 606     }
 607   wxFont *font = new wxFont (PointSize, FamilyOrFontId, Style, Weight, underline, Face);
 608   font->SetVisible(TRUE);
 609   return font;
 610 }
 611
 612 void wxBitmapList::AddBitmap(wxBitmap *bitmap)
 613 { Append(bitmap); }
 614 void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
 615 { DeleteObject(bitmap); }
 616
 617 wxSize wxGetDisplaySize()
 618 {
 619     int x, y;
 620     wxDisplaySize(& x, & y);
 621     return wxSize(x, y);
 622 }
 623
 624 wxResourceCache::wxResourceCache () : wxList() {
 625 }
 626
 627 wxResourceCache::wxResourceCache (const unsigned int the_key_type) : wxList(the_key_type) {
 628 }
 629
 630 wxResourceCache::~wxResourceCache () {
 631   wxNode *node = First ();
 632   while (node) {
 633     wxGDIObject *item = (wxGDIObject *)node->Data();
 634     if (item->IsKindOf(CLASSINFO(wxBrush))) {
 635       wxBrush *brush = (wxBrush *)item;
 636       delete brush;
 637     }
 638
 639     if (item->IsKindOf(CLASSINFO(wxFont))) {
 640       wxFont *font = (wxFont *)item;
 641       delete font;
 642     }
 643
 644     if (item->IsKindOf(CLASSINFO(wxBitmap))) {
 645       wxBitmap *bitmap = (wxBitmap *)item;
 646       delete bitmap;
 647     }
 648
 649     if (item->IsKindOf(CLASSINFO(wxColour))) {
 650       wxColour *colour = (wxColour *)item;
 651       delete colour;
 652     }
 653
 654     wxNode *next = node->Next ();
 655     node = next;
 656   }
 657 }
 658