include/wx/gdicmn.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gdicmn.h
   3 // Purpose:     Common GDI classes, types and declarations
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GDICMNH__
  13 #define _WX_GDICMNH__
  14
  15 // ---------------------------------------------------------------------------
  16 // headers
  17 // ---------------------------------------------------------------------------
  18
  19 #if defined(__GNUG__) && !defined(__APPLE__)
  20     #pragma interface "gdicmn.h"
  21 #endif
  22
  23 #include "wx/setup.h"
  24 #include "wx/list.h"
  25 #include "wx/string.h"
  26 #include "wx/fontenc.h"
  27
  28 // ---------------------------------------------------------------------------
  29 // forward declarations
  30 // ---------------------------------------------------------------------------
  31
  32 class WXDLLEXPORT wxBitmap;
  33 class WXDLLEXPORT wxBrush;
  34 class WXDLLEXPORT wxColour;
  35 class WXDLLEXPORT wxCursor;
  36 class WXDLLEXPORT wxFont;
  37 class WXDLLEXPORT wxIcon;
  38 class WXDLLEXPORT wxPalette;
  39 class WXDLLEXPORT wxPen;
  40 class WXDLLEXPORT wxRegion;
  41 class WXDLLEXPORT wxString;
  42
  43 // ---------------------------------------------------------------------------
  44 // constants
  45 // ---------------------------------------------------------------------------
  46
  47 // Bitmap flags
  48 enum wxBitmapType
  49 {
  50     wxBITMAP_TYPE_INVALID,          // should be == 0 for compatibility!
  51     wxBITMAP_TYPE_BMP,
  52     wxBITMAP_TYPE_BMP_RESOURCE,
  53     wxBITMAP_TYPE_RESOURCE = wxBITMAP_TYPE_BMP_RESOURCE,
  54     wxBITMAP_TYPE_ICO,
  55     wxBITMAP_TYPE_ICO_RESOURCE,
  56     wxBITMAP_TYPE_CUR,
  57     wxBITMAP_TYPE_CUR_RESOURCE,
  58     wxBITMAP_TYPE_XBM,
  59     wxBITMAP_TYPE_XBM_DATA,
  60     wxBITMAP_TYPE_XPM,
  61     wxBITMAP_TYPE_XPM_DATA,
  62     wxBITMAP_TYPE_TIF,
  63     wxBITMAP_TYPE_TIF_RESOURCE,
  64     wxBITMAP_TYPE_GIF,
  65     wxBITMAP_TYPE_GIF_RESOURCE,
  66     wxBITMAP_TYPE_PNG,
  67     wxBITMAP_TYPE_PNG_RESOURCE,
  68     wxBITMAP_TYPE_JPEG,
  69     wxBITMAP_TYPE_JPEG_RESOURCE,
  70     wxBITMAP_TYPE_PNM,
  71     wxBITMAP_TYPE_PNM_RESOURCE,
  72     wxBITMAP_TYPE_PCX,
  73     wxBITMAP_TYPE_PCX_RESOURCE,
  74     wxBITMAP_TYPE_PICT,
  75     wxBITMAP_TYPE_PICT_RESOURCE,
  76     wxBITMAP_TYPE_ICON,
  77     wxBITMAP_TYPE_ICON_RESOURCE,
  78     wxBITMAP_TYPE_ANI,
  79     wxBITMAP_TYPE_IFF,
  80     wxBITMAP_TYPE_MACCURSOR,
  81     wxBITMAP_TYPE_MACCURSOR_RESOURCE,
  82     wxBITMAP_TYPE_ANY = 50
  83 };
  84
  85 // Standard cursors
  86 enum wxStockCursor
  87 {
  88     wxCURSOR_NONE,          // should be 0
  89     wxCURSOR_ARROW,
  90     wxCURSOR_RIGHT_ARROW,
  91     wxCURSOR_BULLSEYE,
  92     wxCURSOR_CHAR,
  93     wxCURSOR_CROSS,
  94     wxCURSOR_HAND,
  95     wxCURSOR_IBEAM,
  96     wxCURSOR_LEFT_BUTTON,
  97     wxCURSOR_MAGNIFIER,
  98     wxCURSOR_MIDDLE_BUTTON,
  99     wxCURSOR_NO_ENTRY,
 100     wxCURSOR_PAINT_BRUSH,
 101     wxCURSOR_PENCIL,
 102     wxCURSOR_POINT_LEFT,
 103     wxCURSOR_POINT_RIGHT,
 104     wxCURSOR_QUESTION_ARROW,
 105     wxCURSOR_RIGHT_BUTTON,
 106     wxCURSOR_SIZENESW,
 107     wxCURSOR_SIZENS,
 108     wxCURSOR_SIZENWSE,
 109     wxCURSOR_SIZEWE,
 110     wxCURSOR_SIZING,
 111     wxCURSOR_SPRAYCAN,
 112     wxCURSOR_WAIT,
 113     wxCURSOR_WATCH,
 114     wxCURSOR_BLANK,
 115 #ifdef __WXGTK__
 116     wxCURSOR_DEFAULT, // standard X11 cursor
 117 #endif
 118 #ifdef __WXMAC__
 119         wxCURSOR_COPY_ARROW , // MacOS Theme Plus arrow
 120 #endif
 121 #ifdef __X__
 122     // Not yet implemented for Windows
 123     wxCURSOR_CROSS_REVERSE,
 124     wxCURSOR_DOUBLE_ARROW,
 125     wxCURSOR_BASED_ARROW_UP,
 126     wxCURSOR_BASED_ARROW_DOWN,
 127 #endif // X11
 128
 129     wxCURSOR_ARROWWAIT,
 130
 131     wxCURSOR_MAX
 132 };
 133
 134 #ifndef __WXGTK__
 135     #define wxCURSOR_DEFAULT wxCURSOR_ARROW
 136 #endif
 137
 138 // ---------------------------------------------------------------------------
 139 // macros
 140 // ---------------------------------------------------------------------------
 141
 142 /* Useful macro for creating icons portably, for example:
 143
 144     wxIcon *icon = new wxICON(mondrian);
 145
 146   expands into:
 147
 148     wxIcon *icon = new wxIcon("mondrian");      // On wxMSW
 149     wxIcon *icon = new wxIcon(mondrian_xpm);    // On wxGTK
 150  */
 151
 152 #ifdef __WXMSW__
 153     // Load from a resource
 154     #define wxICON(X) wxIcon(wxT(#X))
 155 #elif defined(__WXPM__)
 156     // Load from a resource
 157     #define wxICON(X) wxIcon(wxT(#X))
 158 #elif defined(__WXMGL__)
 159     // Initialize from an included XPM
 160     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 161 #elif defined(__WXGTK__)
 162     // Initialize from an included XPM
 163     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 164 #elif defined(__WXMAC__)
 165     // Initialize from an included XPM
 166     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 167 #elif defined(__WXMOTIF__)
 168     // Initialize from an included XPM
 169     #define wxICON(X) wxIcon( X##_xpm )
 170 #elif defined(__WXX11__)
 171     // Initialize from an included XPM
 172     #define wxICON(X) wxIcon( X##_xpm )
 173 #else
 174     // This will usually mean something on any platform
 175     #define wxICON(X) wxIcon(wxT(#X))
 176 #endif // platform
 177
 178 /* Another macro: this one is for portable creation of bitmaps. We assume that
 179    under Unix bitmaps live in XPMs and under Windows they're in ressources.
 180  */
 181
 182 #if defined(__WXMSW__) || defined(__WXPM__)
 183     #define wxBITMAP(name) wxBitmap(wxT(#name), wxBITMAP_TYPE_RESOURCE)
 184 #elif defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXX11__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXCOCOA__)
 185     // Initialize from an included XPM
 186     #define wxBITMAP(name) wxBitmap( (const char**) name##_xpm )
 187 #else // other platforms
 188     #define wxBITMAP(name) wxBitmap(name##_xpm, wxBITMAP_TYPE_XPM)
 189 #endif // platform
 190
 191 // ===========================================================================
 192 // classes
 193 // ===========================================================================
 194
 195 // ---------------------------------------------------------------------------
 196 // wxSize
 197 // ---------------------------------------------------------------------------
 198
 199 class WXDLLEXPORT wxSize
 200 {
 201 public:
 202     // members are public for compatibility, don't use them directly.
 203     int x, y;
 204
 205     // constructors
 206     wxSize() : x(0), y(0) { }
 207     wxSize(int xx, int yy) : x(xx), y(yy) { }
 208
 209     // no copy ctor or assignment operator - the defaults are ok
 210
 211     bool operator==(const wxSize& sz) const { return x == sz.x && y == sz.y; }
 212     bool operator!=(const wxSize& sz) const { return x != sz.x || y != sz.y; }
 213
 214     // FIXME are these really useful? If they're, we should have += &c as well
 215     wxSize operator+(const wxSize& sz) { return wxSize(x + sz.x, y + sz.y); }
 216     wxSize operator-(const wxSize& sz) { return wxSize(x - sz.x, y - sz.y); }
 217
 218     // accessors
 219     void Set(int xx, int yy) { x = xx; y = yy; }
 220     void SetWidth(int w) { x = w; }
 221     void SetHeight(int h) { y = h; }
 222
 223     int GetWidth() const { return x; }
 224     int GetHeight() const { return y; }
 225
 226     // compatibility
 227     int GetX() const { return x; }
 228     int GetY() const { return y; }
 229 };
 230
 231 // ---------------------------------------------------------------------------
 232 // Point classes: with real or integer coordinates
 233 // ---------------------------------------------------------------------------
 234
 235 class WXDLLEXPORT wxRealPoint
 236 {
 237 public:
 238     double x;
 239     double y;
 240
 241     wxRealPoint() : x(0.0), y(0.0) { }
 242     wxRealPoint(double xx, double yy) : x(xx), y(yy) { }
 243
 244     wxRealPoint operator+(const wxRealPoint& pt) const { return wxRealPoint(x + pt.x, y + pt.y); }
 245     wxRealPoint operator-(const wxRealPoint& pt) const { return wxRealPoint(x - pt.x, y - pt.y); }
 246
 247     bool operator==(const wxRealPoint& pt) const { return x == pt.x && y == pt.y; }
 248     bool operator!=(const wxRealPoint& pt) const { return x != pt.x || y != pt.y; }
 249 };
 250
 251 class WXDLLEXPORT wxPoint
 252 {
 253 public:
 254     int x, y;
 255
 256     wxPoint() : x(0), y(0) { }
 257     wxPoint(int xx, int yy) : x(xx), y(yy) { }
 258
 259     // no copy ctor or assignment operator - the defaults are ok
 260
 261     // comparison
 262     bool operator==(const wxPoint& p) const { return x == p.x && y == p.y; }
 263     bool operator!=(const wxPoint& p) const { return !(*this == p); }
 264
 265     // arithmetic operations (component wise)
 266     wxPoint operator+(const wxPoint& p) const { return wxPoint(x + p.x, y + p.y); }
 267     wxPoint operator-(const wxPoint& p) const { return wxPoint(x - p.x, y - p.y); }
 268
 269     wxPoint& operator+=(const wxPoint& p) { x += p.x; y += p.y; return *this; }
 270     wxPoint& operator-=(const wxPoint& p) { x -= p.x; y -= p.y; return *this; }
 271 };
 272
 273 #if WXWIN_COMPATIBILITY
 274     #define wxIntPoint wxPoint
 275     #define wxRectangle wxRect
 276 #endif // WXWIN_COMPATIBILITY
 277
 278 // ---------------------------------------------------------------------------
 279 // wxRect
 280 // ---------------------------------------------------------------------------
 281
 282 class WXDLLEXPORT wxRect
 283 {
 284 public:
 285     wxRect()
 286         : x(0), y(0), width(0), height(0)
 287         { }
 288     wxRect(int xx, int yy, int ww, int hh)
 289         : x(xx), y(yy), width(ww), height(hh)
 290         { }
 291     wxRect(const wxPoint& topLeft, const wxPoint& bottomRight);
 292     wxRect(const wxPoint& pos, const wxSize& size);
 293
 294     // default copy ctor and assignment operators ok
 295
 296     int GetX() const { return x; }
 297     void SetX(int xx) { x = xx; }
 298
 299     int GetY() const { return y; }
 300     void SetY(int yy) { y = yy; }
 301
 302     int GetWidth() const { return width; }
 303     void SetWidth(int w) { width = w; }
 304
 305     int GetHeight() const { return height; }
 306     void SetHeight(int h) { height = h; }
 307
 308     wxPoint GetPosition() const { return wxPoint(x, y); }
 309     void SetPosition( const wxPoint &p ) { x = p.x; y = p.y; }
 310
 311     wxSize GetSize() const { return wxSize(width, height); }
 312     void SetSize( const wxSize &s ) { width = s.GetWidth(); height = s.GetHeight(); }
 313
 314     int GetLeft()   const { return x; }
 315     int GetTop()    const { return y; }
 316     int GetBottom() const { return y + height - 1; }
 317     int GetRight()  const { return x + width - 1; }
 318
 319     void SetLeft(int left) { x = left; }
 320     void SetRight(int right) { width = right - x + 1; }
 321     void SetTop(int top) { y = top; }
 322     void SetBottom(int bottom) { height = bottom - y + 1; }
 323
 324     // operations with rect
 325     wxRect& Inflate(wxCoord dx, wxCoord dy);
 326     wxRect& Inflate(wxCoord d) { return Inflate(d, d); }
 327     wxRect Inflate(wxCoord dx, wxCoord dy) const
 328     {
 329         wxRect r = *this;
 330         r.Inflate(dx, dy);
 331         return r;
 332     }
 333
 334     wxRect& Deflate(wxCoord dx, wxCoord dy) { return Inflate(-dx, -dy); }
 335     wxRect& Deflate(wxCoord d) { return Inflate(-d); }
 336     wxRect Deflate(wxCoord dx, wxCoord dy) const
 337     {
 338         wxRect r = *this;
 339         r.Deflate(dx, dy);
 340         return r;
 341     }
 342
 343     void Offset(wxCoord dx, wxCoord dy) { x += dx; y += dy; }
 344     void Offset(const wxPoint& pt) { Offset(pt.x, pt.y); }
 345
 346     wxRect& Intersect(const wxRect& rect);
 347     wxRect Intersect(const wxRect& rect) const
 348     {
 349         wxRect r = *this;
 350         r.Intersect(rect);
 351         return r;
 352     }
 353
 354     wxRect operator+(const wxRect& rect) const;
 355     wxRect& operator+=(const wxRect& rect);
 356
 357     // compare rectangles
 358     bool operator==(const wxRect& rect) const;
 359     bool operator!=(const wxRect& rect) const { return !(*this == rect); }
 360
 361     // return TRUE if the point is (not strcitly) inside the rect
 362     bool Inside(int x, int y) const;
 363     bool Inside(const wxPoint& pt) const { return Inside(pt.x, pt.y); }
 364
 365     // return TRUE if the rectangles have a non empty intersection
 366     bool Intersects(const wxRect& rect) const;
 367
 368 public:
 369     int x, y, width, height;
 370 };
 371
 372 // ---------------------------------------------------------------------------
 373 // Management of pens, brushes and fonts
 374 // ---------------------------------------------------------------------------
 375
 376 typedef wxInt8 wxDash;
 377
 378 class WXDLLEXPORT wxPenList : public wxList
 379 {
 380     // DECLARE_DYNAMIC_CLASS(wxPenList)
 381
 382 public:
 383     wxPenList() { }
 384     virtual ~wxPenList();
 385
 386     void AddPen(wxPen *pen);
 387     void RemovePen(wxPen *pen);
 388     wxPen *FindOrCreatePen(const wxColour& colour, int width, int style);
 389 };
 390
 391 class WXDLLEXPORT wxBrushList : public wxList
 392 {
 393     // DECLARE_DYNAMIC_CLASS(wxBrushList)
 394
 395 public:
 396     wxBrushList() { }
 397     virtual ~wxBrushList();
 398
 399     void AddBrush(wxBrush *brush);
 400     void RemoveBrush(wxBrush *brush);
 401     wxBrush *FindOrCreateBrush(const wxColour& colour, int style);
 402 };
 403
 404 class WXDLLEXPORT wxFontList : public wxList
 405 {
 406     // DECLARE_DYNAMIC_CLASS(wxFontList)
 407
 408 public:
 409     wxFontList() { }
 410     virtual ~wxFontList();
 411
 412     void AddFont(wxFont *font);
 413     void RemoveFont(wxFont *font);
 414     wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
 415                              bool underline = FALSE,
 416                              const wxString& face = wxEmptyString,
 417                              wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 418 };
 419
 420 class WXDLLEXPORT wxStringToColourHashMap;
 421
 422 class WXDLLEXPORT wxColourDatabase
 423 {
 424     // DECLARE_CLASS(wxColourDatabase)
 425
 426 public:
 427     wxColourDatabase();
 428     virtual ~wxColourDatabase() ;
 429
 430     // Not const because it may add a name to the database
 431     wxColour *FindColour(const wxString& colour) ;
 432     wxColour *FindColourNoAdd(const wxString& colour) const;
 433     wxString FindName(const wxColour& colour) const;
 434     void AddColour(const wxString& name, wxColour* colour);
 435     void Initialize();
 436 #ifdef __WXPM__
 437     // PM keeps its own type of colour table
 438     long*                           m_palTable;
 439     size_t                          m_nSize;
 440 #endif
 441 private:
 442     wxColour* FindColour(const wxString& colour, bool add);
 443
 444     wxStringToColourHashMap* m_map;
 445 };
 446
 447 class WXDLLEXPORT wxBitmapList : public wxList
 448 {
 449     // DECLARE_DYNAMIC_CLASS(wxBitmapList)
 450
 451 public:
 452     wxBitmapList();
 453     virtual ~wxBitmapList();
 454
 455     void AddBitmap(wxBitmap *bitmap);
 456     void RemoveBitmap(wxBitmap *bitmap);
 457 };
 458
 459 class WXDLLEXPORT wxResourceCache: public wxList
 460 {
 461 public:
 462     wxResourceCache() { }
 463 #if !wxUSE_STL
 464     wxResourceCache(const unsigned int keyType) : wxList(keyType) { }
 465 #endif
 466     virtual ~wxResourceCache();
 467
 468 private:
 469     // DECLARE_DYNAMIC_CLASS(wxResourceCache)
 470 };
 471
 472 // ---------------------------------------------------------------------------
 473 // global variables
 474 // ---------------------------------------------------------------------------
 475
 476 // Lists of GDI objects
 477 WXDLLEXPORT_DATA(extern wxPenList*)   wxThePenList;
 478 WXDLLEXPORT_DATA(extern wxBrushList*)   wxTheBrushList;
 479 WXDLLEXPORT_DATA(extern wxFontList*)    wxTheFontList;
 480 WXDLLEXPORT_DATA(extern wxBitmapList*)  wxTheBitmapList;
 481
 482 // Stock objects
 483 WXDLLEXPORT_DATA(extern wxFont*)      wxNORMAL_FONT;
 484 WXDLLEXPORT_DATA(extern wxFont*)      wxSMALL_FONT;
 485 WXDLLEXPORT_DATA(extern wxFont*)      wxITALIC_FONT;
 486 WXDLLEXPORT_DATA(extern wxFont*)      wxSWISS_FONT;
 487
 488 WXDLLEXPORT_DATA(extern wxPen*)      wxRED_PEN;
 489 WXDLLEXPORT_DATA(extern wxPen*)      wxCYAN_PEN;
 490 WXDLLEXPORT_DATA(extern wxPen*)      wxGREEN_PEN;
 491 WXDLLEXPORT_DATA(extern wxPen*)      wxBLACK_PEN;
 492 WXDLLEXPORT_DATA(extern wxPen*)      wxWHITE_PEN;
 493 WXDLLEXPORT_DATA(extern wxPen*)      wxTRANSPARENT_PEN;
 494 WXDLLEXPORT_DATA(extern wxPen*)      wxBLACK_DASHED_PEN;
 495 WXDLLEXPORT_DATA(extern wxPen*)      wxGREY_PEN;
 496 WXDLLEXPORT_DATA(extern wxPen*)      wxMEDIUM_GREY_PEN;
 497 WXDLLEXPORT_DATA(extern wxPen*)      wxLIGHT_GREY_PEN;
 498
 499 WXDLLEXPORT_DATA(extern wxBrush*)    wxBLUE_BRUSH;
 500 WXDLLEXPORT_DATA(extern wxBrush*)    wxGREEN_BRUSH;
 501 WXDLLEXPORT_DATA(extern wxBrush*)    wxWHITE_BRUSH;
 502 WXDLLEXPORT_DATA(extern wxBrush*)    wxBLACK_BRUSH;
 503 WXDLLEXPORT_DATA(extern wxBrush*)    wxGREY_BRUSH;
 504 WXDLLEXPORT_DATA(extern wxBrush*)    wxMEDIUM_GREY_BRUSH;
 505 WXDLLEXPORT_DATA(extern wxBrush*)    wxLIGHT_GREY_BRUSH;
 506 WXDLLEXPORT_DATA(extern wxBrush*)    wxTRANSPARENT_BRUSH;
 507 WXDLLEXPORT_DATA(extern wxBrush*)    wxCYAN_BRUSH;
 508 WXDLLEXPORT_DATA(extern wxBrush*)    wxRED_BRUSH;
 509
 510 WXDLLEXPORT_DATA(extern wxColour*)    wxBLACK;
 511 WXDLLEXPORT_DATA(extern wxColour*)    wxWHITE;
 512 WXDLLEXPORT_DATA(extern wxColour*)    wxRED;
 513 WXDLLEXPORT_DATA(extern wxColour*)    wxBLUE;
 514 WXDLLEXPORT_DATA(extern wxColour*)    wxGREEN;
 515 WXDLLEXPORT_DATA(extern wxColour*)    wxCYAN;
 516 WXDLLEXPORT_DATA(extern wxColour*)    wxLIGHT_GREY;
 517
 518 // 'Null' objects
 519 WXDLLEXPORT_DATA(extern wxBitmap)     wxNullBitmap;
 520 WXDLLEXPORT_DATA(extern wxIcon)       wxNullIcon;
 521 WXDLLEXPORT_DATA(extern wxCursor)     wxNullCursor;
 522 WXDLLEXPORT_DATA(extern wxPen)        wxNullPen;
 523 WXDLLEXPORT_DATA(extern wxBrush)      wxNullBrush;
 524 WXDLLEXPORT_DATA(extern wxPalette)     wxNullPalette;
 525 WXDLLEXPORT_DATA(extern wxFont)       wxNullFont;
 526 WXDLLEXPORT_DATA(extern wxColour)     wxNullColour;
 527
 528 // Stock cursors types
 529 WXDLLEXPORT_DATA(extern wxCursor*)    wxSTANDARD_CURSOR;
 530 WXDLLEXPORT_DATA(extern wxCursor*)    wxHOURGLASS_CURSOR;
 531 WXDLLEXPORT_DATA(extern wxCursor*)    wxCROSS_CURSOR;
 532
 533 WXDLLEXPORT_DATA(extern wxColourDatabase*)  wxTheColourDatabase;
 534
 535 WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
 536
 537 WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize;
 538 WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition;
 539
 540 // The list of objects which should be deleted
 541 WXDLLEXPORT_DATA(extern wxList) wxPendingDelete;
 542
 543 // ---------------------------------------------------------------------------
 544 // global functions
 545 // ---------------------------------------------------------------------------
 546
 547 // resource management
 548 extern void WXDLLEXPORT wxInitializeStockObjects();
 549 extern void WXDLLEXPORT wxInitializeStockLists();
 550 extern void WXDLLEXPORT wxDeleteStockObjects();
 551 extern void WXDLLEXPORT wxDeleteStockLists();
 552
 553 // is the display colour (or monochrome)?
 554 extern bool WXDLLEXPORT wxColourDisplay();
 555
 556 // Returns depth of screen
 557 extern int WXDLLEXPORT wxDisplayDepth();
 558 #define wxGetDisplayDepth wxDisplayDepth
 559
 560 // get the display size
 561 extern void WXDLLEXPORT wxDisplaySize(int *width, int *height);
 562 extern wxSize WXDLLEXPORT wxGetDisplaySize();
 563 extern void WXDLLEXPORT wxDisplaySizeMM(int *width, int *height);
 564 extern wxSize WXDLLEXPORT wxGetDisplaySizeMM();
 565
 566 // Get position and size of the display workarea
 567 extern void WXDLLEXPORT wxClientDisplayRect(int *x, int *y, int *width, int *height);
 568 extern wxRect WXDLLEXPORT wxGetClientDisplayRect();
 569
 570 // set global cursor
 571 extern void WXDLLEXPORT wxSetCursor(const wxCursor& cursor);
 572
 573 #endif
 574     // _WX_GDICMNH__