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