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 #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 #if !USE_SHARED_LIBRARY
  54     IMPLEMENT_CLASS(wxColourDatabase, wxList)
  55     IMPLEMENT_DYNAMIC_CLASS(wxFontList, wxList)
  56     IMPLEMENT_DYNAMIC_CLASS(wxPenList, wxList)
  57     IMPLEMENT_DYNAMIC_CLASS(wxBrushList, wxList)
  58     IMPLEMENT_DYNAMIC_CLASS(wxBitmapList, wxList)
  59     IMPLEMENT_DYNAMIC_CLASS(wxResourceCache, wxList)
  60
  61     IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
  62 #endif
  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     y -= 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 bool wxRect::operator==(const wxRect& rect) const
  91 {
  92   return ((x == rect.x) &&
  93           (y == rect.y) &&
  94           (width == rect.width) &&
  95           (height == rect.height));
  96 }
  97
  98 const wxRect& wxRect::operator += (const wxRect& rect)
  99 {
 100         *this = (*this + rect);
 101         return ( *this ) ;
 102 }
 103
 104 wxRect wxRect::operator + (const wxRect& rect) const
 105 {
 106         int x1 = wxMin(this->x, rect.x);
 107         int y1 = wxMin(this->y, rect.y);
 108         int y2 = wxMax(y+height, rect.height+rect.y);
 109         int x2 = wxMax(x+width, rect.width+rect.x);
 110         return wxRect(x1, y1, x2-x1, y2-y1);
 111 }
 112
 113 bool wxRect::Inside(int cx, int cy) const
 114 {
 115         return ( (cx >= x) && (cy >= y)
 116                   && ((cy - y) < height)
 117                   && ((cx - x) < width)
 118                   );
 119 }
 120
 121 wxColourDatabase::wxColourDatabase (int type) : 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    wxChar *name;
 147    int r,g,b;
 148   };
 149   cdef cc;
 150   static cdef table[]={
 151
 152 // #ifdef __WXMSW__
 153    {wxT("AQUAMARINE"),112, 219, 147},
 154    {wxT("BLACK"),0, 0, 0},
 155    {wxT("BLUE"), 0, 0, 255},
 156    {wxT("BLUE VIOLET"), 159, 95, 159},
 157    {wxT("BROWN"), 165, 42, 42},
 158    {wxT("CADET BLUE"), 95, 159, 159},
 159    {wxT("CORAL"), 255, 127, 0},
 160    {wxT("CORNFLOWER BLUE"), 66, 66, 111},
 161    {wxT("CYAN"), 0, 255, 255},
 162    {wxT("DARK GREY"), 47, 47, 47},   // ?
 163
 164    {wxT("DARK GREEN"), 47, 79, 47},
 165    {wxT("DARK OLIVE GREEN"), 79, 79, 47},
 166    {wxT("DARK ORCHID"), 153, 50, 204},
 167    {wxT("DARK SLATE BLUE"), 107, 35, 142},
 168    {wxT("DARK SLATE GREY"), 47, 79, 79},
 169    {wxT("DARK TURQUOISE"), 112, 147, 219},
 170    {wxT("DIM GREY"), 84, 84, 84},
 171    {wxT("FIREBRICK"), 142, 35, 35},
 172    {wxT("FOREST GREEN"), 35, 142, 35},
 173    {wxT("GOLD"), 204, 127, 50},
 174    {wxT("GOLDENROD"), 219, 219, 112},
 175    {wxT("GREY"), 128, 128, 128},
 176    {wxT("GREEN"), 0, 255, 0},
 177    {wxT("GREEN YELLOW"), 147, 219, 112},
 178    {wxT("INDIAN RED"), 79, 47, 47},
 179    {wxT("KHAKI"), 159, 159, 95},
 180    {wxT("LIGHT BLUE"), 191, 216, 216},
 181    {wxT("LIGHT GREY"), 192, 192, 192},
 182    {wxT("LIGHT STEEL BLUE"), 143, 143, 188},
 183    {wxT("LIME GREEN"), 50, 204, 50},
 184    {wxT("LIGHT MAGENTA"), 255, 0, 255},
 185    {wxT("MAGENTA"), 255, 0, 255},
 186    {wxT("MAROON"), 142, 35, 107},
 187    {wxT("MEDIUM AQUAMARINE"), 50, 204, 153},
 188    {wxT("MEDIUM GREY"), 100, 100, 100},
 189    {wxT("MEDIUM BLUE"), 50, 50, 204},
 190    {wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
 191    {wxT("MEDIUM GOLDENROD"), 234, 234, 173},
 192    {wxT("MEDIUM ORCHID"), 147, 112, 219},
 193    {wxT("MEDIUM SEA GREEN"), 66, 111, 66},
 194    {wxT("MEDIUM SLATE BLUE"), 127, 0, 255},
 195    {wxT("MEDIUM SPRING GREEN"), 127, 255, 0},
 196    {wxT("MEDIUM TURQUOISE"), 112, 219, 219},
 197    {wxT("MEDIUM VIOLET RED"), 219, 112, 147},
 198    {wxT("MIDNIGHT BLUE"), 47, 47, 79},
 199    {wxT("NAVY"), 35, 35, 142},
 200    {wxT("ORANGE"), 204, 50, 50},
 201    {wxT("ORANGE RED"), 255, 0, 127},
 202    {wxT("ORCHID"), 219, 112, 219},
 203    {wxT("PALE GREEN"), 143, 188, 143},
 204    {wxT("PINK"), 188, 143, 234},
 205    {wxT("PLUM"), 234, 173, 234},
 206    {wxT("PURPLE"), 176, 0, 255},
 207    {wxT("RED"), 255, 0, 0},
 208    {wxT("SALMON"), 111, 66, 66},
 209    {wxT("SEA GREEN"), 35, 142, 107},
 210    {wxT("SIENNA"), 142, 107, 35},
 211    {wxT("SKY BLUE"), 50, 153, 204},
 212    {wxT("SLATE BLUE"), 0, 127, 255},
 213    {wxT("SPRING GREEN"), 0, 255, 127},
 214    {wxT("STEEL BLUE"), 35, 107, 142},
 215    {wxT("TAN"), 219, 147, 112},
 216    {wxT("THISTLE"), 216, 191, 216},
 217    {wxT("TURQUOISE"), 173, 234, 234},
 218    {wxT("VIOLET"), 79, 47, 79},
 219    {wxT("VIOLET RED"), 204, 50, 153},
 220    {wxT("WHEAT"), 216, 216, 191},
 221    {wxT("WHITE"), 255, 255, 255},
 222    {wxT("YELLOW"), 255, 255, 0},
 223    {wxT("YELLOW GREEN"), 153, 204, 50},
 224 // #endif
 225
 226 #if defined(__WXGTK__) || defined(__X__)
 227    {wxT("MEDIUM GOLDENROD"), 234, 234, 173},
 228    {wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
 229    {wxT("LIGHT MAGENTA"), 255, 0, 255},
 230    {wxT("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   // VZ: make the comparaison case insensitive
 255   wxString str = colour;
 256   str.MakeUpper();
 257
 258   wxNode *node = Find(str);
 259   if (node)
 260     return (wxColour *)node->Data();
 261
 262 #ifdef __WXMSW__
 263   else return NULL;
 264 #endif
 265 #ifdef __WXPM__
 266   else return NULL;
 267 #endif
 268
 269 // TODO for other implementations. This should really go into
 270 // platform-specific directories.
 271 #ifdef __WXMAC__
 272   else return NULL;
 273 #endif
 274 #ifdef __WXSTUBS__
 275   else return NULL;
 276 #endif
 277
 278 #ifdef __WXGTK__
 279   else {
 280     wxColour *col = new wxColour( colour );
 281
 282     if (!(col->Ok())) {
 283       delete col;
 284       return (wxColour *) NULL;
 285     }
 286     Append( colour, col );
 287     return col;
 288   }
 289 #endif
 290
 291 #ifdef __X__
 292   else {
 293     XColor xcolour;
 294
 295 #ifdef __WXMOTIF__
 296     Display *display = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()) ;
 297 #endif
 298 #ifdef __XVIEW__
 299     Xv_Screen screen = xv_get(xview_server, SERVER_NTH_SCREEN, 0);
 300     Xv_opaque root_window = xv_get(screen, XV_ROOT);
 301     Display *display = (Display *)xv_get(root_window, XV_DISPLAY);
 302 #endif
 303
 304     /* MATTHEW: [4] Use wxGetMainColormap */
 305     if (!XParseColor(display, (Colormap) wxTheApp->GetMainColormap((WXDisplay*) display), colour,&xcolour))
 306       return NULL;
 307
 308     unsigned char r = (unsigned char)(xcolour.red >> 8);
 309     unsigned char g = (unsigned char)(xcolour.green >> 8);
 310     unsigned char b = (unsigned char)(xcolour.blue >> 8);
 311
 312     wxColour *col = new wxColour(r, g, b);
 313     Append(colour, col);
 314
 315     return col;
 316   }
 317 #endif
 318 }
 319
 320 wxString wxColourDatabase::FindName (const wxColour& colour) const
 321 {
 322     wxString name;
 323
 324     unsigned char red = colour.Red ();
 325     unsigned char green = colour.Green ();
 326     unsigned char blue = colour.Blue ();
 327
 328     for (wxNode * node = First (); node; node = node->Next ())
 329     {
 330         wxColour *col = (wxColour *) node->Data ();
 331
 332         if (col->Red () == red && col->Green () == green && col->Blue () == blue)
 333         {
 334             const wxChar *found = node->GetKeyString();
 335             if ( found )
 336             {
 337                 name = found;
 338
 339                 break;
 340             }
 341         }
 342     }
 343
 344     return name;
 345 }
 346
 347 void wxInitializeStockLists () {
 348   wxTheBrushList = new wxBrushList;
 349   wxThePenList = new wxPenList;
 350   wxTheFontList = new wxFontList;
 351   wxTheBitmapList = new wxBitmapList;
 352 }
 353
 354 void wxInitializeStockObjects ()
 355 {
 356 #ifdef __WXMOTIF__
 357 #endif
 358 #ifdef __X__
 359   // TODO
 360   //  wxFontPool = new XFontPool;
 361 #endif
 362
 363   wxNORMAL_FONT = new wxFont (12, wxMODERN, wxNORMAL, wxNORMAL);
 364   wxSMALL_FONT = new wxFont (10, wxSWISS, wxNORMAL, wxNORMAL);
 365   wxITALIC_FONT = new wxFont (12, wxROMAN, wxITALIC, wxNORMAL);
 366   wxSWISS_FONT = new wxFont (12, wxSWISS, wxNORMAL, wxNORMAL);
 367
 368   wxRED_PEN = new wxPen ("RED", 1, wxSOLID);
 369   wxCYAN_PEN = new wxPen ("CYAN", 1, wxSOLID);
 370   wxGREEN_PEN = new wxPen ("GREEN", 1, wxSOLID);
 371   wxBLACK_PEN = new wxPen ("BLACK", 1, wxSOLID);
 372   wxWHITE_PEN = new wxPen ("WHITE", 1, wxSOLID);
 373   wxTRANSPARENT_PEN = new wxPen ("BLACK", 1, wxTRANSPARENT);
 374   wxBLACK_DASHED_PEN = new wxPen ("BLACK", 1, wxSHORT_DASH);
 375   wxGREY_PEN = new wxPen ("GREY", 1, wxSOLID);
 376   wxMEDIUM_GREY_PEN = new wxPen ("MEDIUM GREY", 1, wxSOLID);
 377   wxLIGHT_GREY_PEN = new wxPen ("LIGHT GREY", 1, wxSOLID);
 378
 379   wxBLUE_BRUSH = new wxBrush ("BLUE", wxSOLID);
 380   wxGREEN_BRUSH = new wxBrush ("GREEN", wxSOLID);
 381   wxWHITE_BRUSH = new wxBrush ("WHITE", wxSOLID);
 382   wxBLACK_BRUSH = new wxBrush ("BLACK", wxSOLID);
 383   wxTRANSPARENT_BRUSH = new wxBrush ("BLACK", wxTRANSPARENT);
 384   wxCYAN_BRUSH = new wxBrush ("CYAN", wxSOLID);
 385   wxRED_BRUSH = new wxBrush ("RED", wxSOLID);
 386   wxGREY_BRUSH = new wxBrush ("GREY", wxSOLID);
 387   wxMEDIUM_GREY_BRUSH = new wxBrush ("MEDIUM GREY", wxSOLID);
 388   wxLIGHT_GREY_BRUSH = new wxBrush ("LIGHT GREY", wxSOLID);
 389
 390   wxBLACK = new wxColour ("BLACK");
 391   wxWHITE = new wxColour ("WHITE");
 392   wxRED = new wxColour ("RED");
 393   wxBLUE = new wxColour ("BLUE");
 394   wxGREEN = new wxColour ("GREEN");
 395   wxCYAN = new wxColour ("CYAN");
 396   wxLIGHT_GREY = new wxColour ("LIGHT GREY");
 397
 398   wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
 399   wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
 400   wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
 401 }
 402
 403 void wxDeleteStockObjects ()
 404 {
 405   wxDELETE(wxNORMAL_FONT);
 406   wxDELETE(wxSMALL_FONT);
 407   wxDELETE(wxITALIC_FONT);
 408   wxDELETE(wxSWISS_FONT);
 409
 410   wxDELETE(wxRED_PEN);
 411   wxDELETE(wxCYAN_PEN);
 412   wxDELETE(wxGREEN_PEN);
 413   wxDELETE(wxBLACK_PEN);
 414   wxDELETE(wxWHITE_PEN);
 415   wxDELETE(wxTRANSPARENT_PEN);
 416   wxDELETE(wxBLACK_DASHED_PEN);
 417   wxDELETE(wxGREY_PEN);
 418   wxDELETE(wxMEDIUM_GREY_PEN);
 419   wxDELETE(wxLIGHT_GREY_PEN);
 420
 421   wxDELETE(wxBLUE_BRUSH);
 422   wxDELETE(wxGREEN_BRUSH);
 423   wxDELETE(wxWHITE_BRUSH);
 424   wxDELETE(wxBLACK_BRUSH);
 425   wxDELETE(wxTRANSPARENT_BRUSH);
 426   wxDELETE(wxCYAN_BRUSH);
 427   wxDELETE(wxRED_BRUSH);
 428   wxDELETE(wxGREY_BRUSH);
 429   wxDELETE(wxMEDIUM_GREY_BRUSH);
 430   wxDELETE(wxLIGHT_GREY_BRUSH);
 431
 432   wxDELETE(wxBLACK);
 433   wxDELETE(wxWHITE);
 434   wxDELETE(wxRED);
 435   wxDELETE(wxBLUE);
 436   wxDELETE(wxGREEN);
 437   wxDELETE(wxCYAN);
 438   wxDELETE(wxLIGHT_GREY);
 439
 440   wxDELETE(wxSTANDARD_CURSOR);
 441   wxDELETE(wxHOURGLASS_CURSOR);
 442   wxDELETE(wxCROSS_CURSOR);
 443 }
 444
 445 void wxDeleteStockLists() {
 446   wxDELETE(wxTheBrushList);
 447   wxDELETE(wxThePenList);
 448   wxDELETE(wxTheFontList);
 449   wxDELETE(wxTheBitmapList);
 450 }
 451
 452 wxBitmapList::wxBitmapList ()
 453 {
 454 }
 455
 456 wxBitmapList::~wxBitmapList ()
 457 {
 458   wxNode *node = First ();
 459   while (node)
 460     {
 461       wxBitmap *bitmap = (wxBitmap *) node->Data ();
 462       wxNode *next = node->Next ();
 463       if (bitmap->GetVisible())
 464         delete bitmap;
 465       node = next;
 466     }
 467 }
 468
 469 // Pen and Brush lists
 470 wxPenList::~wxPenList ()
 471 {
 472   wxNode *node = First ();
 473   while (node)
 474     {
 475       wxPen *pen = (wxPen *) node->Data ();
 476       wxNode *next = node->Next ();
 477       if (pen->GetVisible())
 478         delete pen;
 479       node = next;
 480     }
 481 }
 482
 483 void wxPenList::AddPen (wxPen * pen)
 484 {
 485   Append (pen);
 486 }
 487
 488 void wxPenList::RemovePen (wxPen * pen)
 489 {
 490   DeleteObject (pen);
 491 }
 492
 493 wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
 494 {
 495   for (wxNode * node = First (); node; node = node->Next ())
 496     {
 497       wxPen *each_pen = (wxPen *) node->Data ();
 498       if (each_pen &&
 499           each_pen->GetVisible() &&
 500           each_pen->GetWidth () == width &&
 501           each_pen->GetStyle () == style &&
 502           each_pen->GetColour ().Red () == colour.Red () &&
 503           each_pen->GetColour ().Green () == colour.Green () &&
 504           each_pen->GetColour ().Blue () == colour.Blue ())
 505         return each_pen;
 506     }
 507   wxPen *pen = new wxPen (colour, width, style);
 508
 509   // Yes, we can return a pointer to this in a later FindOrCreatePen call,
 510   // because we created it within FindOrCreatePen. Safeguards against
 511   // returning a pointer to an automatic variable and hanging on to it
 512   // (dangling pointer).
 513   pen->SetVisible(TRUE);
 514
 515   return pen;
 516 }
 517
 518 wxBrushList::~wxBrushList ()
 519 {
 520   wxNode *node = First ();
 521   while (node)
 522     {
 523       wxBrush *brush = (wxBrush *) node->Data ();
 524       wxNode *next = node->Next ();
 525       if (brush->GetVisible())
 526         delete brush;
 527       node = next;
 528     }
 529 }
 530
 531 void wxBrushList::AddBrush (wxBrush * brush)
 532 {
 533   Append (brush);
 534 }
 535
 536 wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
 537 {
 538   for (wxNode * node = First (); node; node = node->Next ())
 539     {
 540       wxBrush *each_brush = (wxBrush *) node->Data ();
 541       if (each_brush &&
 542           each_brush->GetVisible() &&
 543           each_brush->GetStyle () == style &&
 544           each_brush->GetColour ().Red () == colour.Red () &&
 545           each_brush->GetColour ().Green () == colour.Green () &&
 546           each_brush->GetColour ().Blue () == colour.Blue ())
 547         return each_brush;
 548     }
 549
 550   // Yes, we can return a pointer to this in a later FindOrCreateBrush call,
 551   // because we created it within FindOrCreateBrush. Safeguards against
 552   // returning a pointer to an automatic variable and hanging on to it
 553   // (dangling pointer).
 554   wxBrush *brush = new wxBrush (colour, style);
 555
 556   brush->SetVisible(TRUE);
 557
 558   return brush;
 559 }
 560
 561 void wxBrushList::RemoveBrush (wxBrush * brush)
 562 {
 563   DeleteObject (brush);
 564 }
 565
 566 wxFontList::~wxFontList ()
 567 {
 568     wxNode *node = First ();
 569     while (node)
 570     {
 571         // Only delete objects that are 'visible', i.e.
 572         // that have been created using FindOrCreate...,
 573         // where the pointers are expected to be shared
 574         // (and therefore not deleted by any one part of an app).
 575         wxFont *font = (wxFont *) node->Data ();
 576         wxNode *next = node->Next ();
 577         if (font->GetVisible())
 578             delete font;
 579         node = next;
 580     }
 581 }
 582
 583 void wxFontList::AddFont (wxFont * font)
 584 {
 585   Append (font);
 586 }
 587
 588 void wxFontList::RemoveFont (wxFont * font)
 589 {
 590   DeleteObject (font);
 591 }
 592
 593 wxFont *wxFontList::
 594         FindOrCreateFont (int PointSize, int FamilyOrFontId, int Style, int Weight, bool underline, const wxString& Face, wxFontEncoding encoding)
 595 {
 596   for (wxNode * node = First (); node; node = node->Next ())
 597     {
 598       wxFont *each_font = (wxFont *) node->Data ();
 599       if (each_font &&
 600           each_font->GetVisible() &&
 601           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(__WXGTK__)
 607           (each_font->GetFamily() == FamilyOrFontId ||
 608           (each_font->GetFamily() == wxSWISS && FamilyOrFontId == wxDEFAULT)) &&
 609 #else
 610           each_font->GetFamily() == FamilyOrFontId &&
 611 #endif
 612           ((each_font->GetFaceName() == wxT("")) || each_font->GetFaceName() == Face) &&
 613           (encoding == wxFONTENCODING_DEFAULT || each_font->GetEncoding() == encoding))
 614         return each_font;
 615     }
 616   wxFont *font = new wxFont (PointSize, FamilyOrFontId, Style, Weight, underline, Face, encoding);
 617
 618   font->SetVisible(TRUE);
 619
 620   return font;
 621 }
 622
 623 void wxBitmapList::AddBitmap(wxBitmap *bitmap)
 624 {
 625     Append(bitmap);
 626 }
 627
 628 void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
 629 {
 630     DeleteObject(bitmap);
 631 }
 632
 633 wxSize wxGetDisplaySize()
 634 {
 635     int x, y;
 636     wxDisplaySize(& x, & y);
 637     return wxSize(x, y);
 638 }
 639
 640 wxResourceCache::~wxResourceCache ()
 641 {
 642   wxNode *node = First ();
 643   while (node) {
 644     wxGDIObject *item = (wxGDIObject *)node->Data();
 645     if (item->IsKindOf(CLASSINFO(wxBrush))) {
 646       wxBrush *brush = (wxBrush *)item;
 647       delete brush;
 648     }
 649
 650     if (item->IsKindOf(CLASSINFO(wxFont))) {
 651       wxFont *font = (wxFont *)item;
 652       delete font;
 653     }
 654
 655     if (item->IsKindOf(CLASSINFO(wxBitmap))) {
 656       wxBitmap *bitmap = (wxBitmap *)item;
 657       delete bitmap;
 658     }
 659
 660     if (item->IsKindOf(CLASSINFO(wxColour))) {
 661       wxColour *colour = (wxColour *)item;
 662       delete colour;
 663     }
 664
 665     wxNode *next = node->Next ();
 666     node = next;
 667   }
 668 }
 669