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) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GDICMNH__
  13 #define _WX_GDICMNH__
  14
  15 // ---------------------------------------------------------------------------
  16 // headers
  17 // ---------------------------------------------------------------------------
  18
  19 #include "wx/defs.h"
  20 #include "wx/list.h"
  21 #include "wx/string.h"
  22 #include "wx/fontenc.h"
  23 #include "wx/hashmap.h"
  24 #include "wx/math.h"
  25
  26 // ---------------------------------------------------------------------------
  27 // forward declarations
  28 // ---------------------------------------------------------------------------
  29
  30 class WXDLLIMPEXP_CORE wxBitmap;
  31 class WXDLLIMPEXP_CORE wxBrush;
  32 class WXDLLIMPEXP_CORE wxColour;
  33 class WXDLLIMPEXP_CORE wxCursor;
  34 class WXDLLIMPEXP_CORE wxFont;
  35 class WXDLLIMPEXP_CORE wxIcon;
  36 class WXDLLIMPEXP_CORE wxPalette;
  37 class WXDLLIMPEXP_CORE wxPen;
  38 class WXDLLIMPEXP_CORE wxRegion;
  39 class WXDLLIMPEXP_BASE wxString;
  40
  41 // ---------------------------------------------------------------------------
  42 // constants
  43 // ---------------------------------------------------------------------------
  44
  45 // Bitmap flags
  46 enum wxBitmapType
  47 {
  48     wxBITMAP_TYPE_INVALID,          // should be == 0 for compatibility!
  49     wxBITMAP_TYPE_BMP,
  50     wxBITMAP_TYPE_BMP_RESOURCE,
  51     wxBITMAP_TYPE_RESOURCE = wxBITMAP_TYPE_BMP_RESOURCE,
  52     wxBITMAP_TYPE_ICO,
  53     wxBITMAP_TYPE_ICO_RESOURCE,
  54     wxBITMAP_TYPE_CUR,
  55     wxBITMAP_TYPE_CUR_RESOURCE,
  56     wxBITMAP_TYPE_XBM,
  57     wxBITMAP_TYPE_XBM_DATA,
  58     wxBITMAP_TYPE_XPM,
  59     wxBITMAP_TYPE_XPM_DATA,
  60     wxBITMAP_TYPE_TIF,
  61     wxBITMAP_TYPE_TIF_RESOURCE,
  62     wxBITMAP_TYPE_GIF,
  63     wxBITMAP_TYPE_GIF_RESOURCE,
  64     wxBITMAP_TYPE_PNG,
  65     wxBITMAP_TYPE_PNG_RESOURCE,
  66     wxBITMAP_TYPE_JPEG,
  67     wxBITMAP_TYPE_JPEG_RESOURCE,
  68     wxBITMAP_TYPE_PNM,
  69     wxBITMAP_TYPE_PNM_RESOURCE,
  70     wxBITMAP_TYPE_PCX,
  71     wxBITMAP_TYPE_PCX_RESOURCE,
  72     wxBITMAP_TYPE_PICT,
  73     wxBITMAP_TYPE_PICT_RESOURCE,
  74     wxBITMAP_TYPE_ICON,
  75     wxBITMAP_TYPE_ICON_RESOURCE,
  76     wxBITMAP_TYPE_ANI,
  77     wxBITMAP_TYPE_IFF,
  78     wxBITMAP_TYPE_MACCURSOR,
  79     wxBITMAP_TYPE_MACCURSOR_RESOURCE,
  80     wxBITMAP_TYPE_ANY = 50
  81 };
  82
  83 // Standard cursors
  84 enum wxStockCursor
  85 {
  86     wxCURSOR_NONE,          // should be 0
  87     wxCURSOR_ARROW,
  88     wxCURSOR_RIGHT_ARROW,
  89     wxCURSOR_BULLSEYE,
  90     wxCURSOR_CHAR,
  91     wxCURSOR_CROSS,
  92     wxCURSOR_HAND,
  93     wxCURSOR_IBEAM,
  94     wxCURSOR_LEFT_BUTTON,
  95     wxCURSOR_MAGNIFIER,
  96     wxCURSOR_MIDDLE_BUTTON,
  97     wxCURSOR_NO_ENTRY,
  98     wxCURSOR_PAINT_BRUSH,
  99     wxCURSOR_PENCIL,
 100     wxCURSOR_POINT_LEFT,
 101     wxCURSOR_POINT_RIGHT,
 102     wxCURSOR_QUESTION_ARROW,
 103     wxCURSOR_RIGHT_BUTTON,
 104     wxCURSOR_SIZENESW,
 105     wxCURSOR_SIZENS,
 106     wxCURSOR_SIZENWSE,
 107     wxCURSOR_SIZEWE,
 108     wxCURSOR_SIZING,
 109     wxCURSOR_SPRAYCAN,
 110     wxCURSOR_WAIT,
 111     wxCURSOR_WATCH,
 112     wxCURSOR_BLANK,
 113 #ifdef __WXGTK__
 114     wxCURSOR_DEFAULT, // standard X11 cursor
 115 #endif
 116 #ifdef __WXMAC__
 117     wxCURSOR_COPY_ARROW , // MacOS Theme Plus arrow
 118 #endif
 119 #ifdef __X__
 120     // Not yet implemented for Windows
 121     wxCURSOR_CROSS_REVERSE,
 122     wxCURSOR_DOUBLE_ARROW,
 123     wxCURSOR_BASED_ARROW_UP,
 124     wxCURSOR_BASED_ARROW_DOWN,
 125 #endif // X11
 126
 127     wxCURSOR_ARROWWAIT,
 128
 129     wxCURSOR_MAX
 130 };
 131
 132 #ifndef __WXGTK__
 133     #define wxCURSOR_DEFAULT wxCURSOR_ARROW
 134 #endif
 135
 136 // ---------------------------------------------------------------------------
 137 // macros
 138 // ---------------------------------------------------------------------------
 139
 140 /* Useful macro for creating icons portably, for example:
 141
 142     wxIcon *icon = new wxICON(mondrian);
 143
 144   expands into:
 145
 146     wxIcon *icon = new wxIcon("mondrian");      // On wxMSW
 147     wxIcon *icon = new wxIcon(mondrian_xpm);    // On wxGTK
 148  */
 149
 150 #ifdef __WXMSW__
 151     // Load from a resource
 152     #define wxICON(X) wxIcon(wxT(#X))
 153 #elif defined(__WXPM__)
 154     // Load from a resource
 155     #define wxICON(X) wxIcon(wxT(#X))
 156 #elif defined(__WXMGL__)
 157     // Initialize from an included XPM
 158     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 159 #elif defined(__WXGTK__)
 160     // Initialize from an included XPM
 161     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 162 #elif defined(__WXMAC__)
 163     // Initialize from an included XPM
 164     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 165 #elif defined(__WXMOTIF__)
 166     // Initialize from an included XPM
 167     #define wxICON(X) wxIcon( X##_xpm )
 168 #elif defined(__WXX11__)
 169     // Initialize from an included XPM
 170     #define wxICON(X) wxIcon( X##_xpm )
 171 #else
 172     // This will usually mean something on any platform
 173     #define wxICON(X) wxIcon(wxT(#X))
 174 #endif // platform
 175
 176 /* Another macro: this one is for portable creation of bitmaps. We assume that
 177    under Unix bitmaps live in XPMs and under Windows they're in ressources.
 178  */
 179
 180 #if defined(__WXMSW__) || defined(__WXPM__)
 181     #define wxBITMAP(name) wxBitmap(wxT(#name), wxBITMAP_TYPE_RESOURCE)
 182 #elif defined(__WXGTK__)   || \
 183       defined(__WXMOTIF__) || \
 184       defined(__WXX11__)   || \
 185       defined(__WXMAC__)   || \
 186       defined(__WXMGL__)   || \
 187       defined(__WXCOCOA__)
 188     // Initialize from an included XPM
 189     #define wxBITMAP(name) wxBitmap( (const char**) name##_xpm )
 190 #else // other platforms
 191     #define wxBITMAP(name) wxBitmap(name##_xpm, wxBITMAP_TYPE_XPM)
 192 #endif // platform
 193
 194 // ===========================================================================
 195 // classes
 196 // ===========================================================================
 197
 198 // ---------------------------------------------------------------------------
 199 // wxSize
 200 // ---------------------------------------------------------------------------
 201
 202 class WXDLLEXPORT wxSize
 203 {
 204 public:
 205     // members are public for compatibility, don't use them directly.
 206     int x, y;
 207
 208     // constructors
 209     wxSize() : x(0), y(0) { }
 210     wxSize(int xx, int yy) : x(xx), y(yy) { }
 211
 212     // no copy ctor or assignment operator - the defaults are ok
 213
 214     bool operator==(const wxSize& sz) const { return x == sz.x && y == sz.y; }
 215     bool operator!=(const wxSize& sz) const { return x != sz.x || y != sz.y; }
 216
 217     wxSize operator+(const wxSize& sz) const { return wxSize(x + sz.x, y + sz.y); }
 218     wxSize operator-(const wxSize& sz) const { return wxSize(x - sz.x, y - sz.y); }
 219     wxSize operator/(int i) const { return wxSize(x / i, y / i); }
 220     wxSize operator*(int i) const { return wxSize(x * i, y * i); }
 221
 222     wxSize& operator+=(const wxSize& sz) { x += sz.x; y += sz.y; return *this; }
 223     wxSize& operator-=(const wxSize& sz) { x -= sz.x; y -= sz.y; return *this; }
 224     wxSize& operator/=(const int i) { x /= i; y /= i; return *this; }
 225     wxSize& operator*=(const int i) { x *= i; y *= i; return *this; }
 226
 227     void IncTo(const wxSize& sz)
 228         { if ( sz.x > x ) x = sz.x; if ( sz.y > y ) y = sz.y; }
 229     void DecTo(const wxSize& sz)
 230         { if ( sz.x < x ) x = sz.x; if ( sz.y < y ) y = sz.y; }
 231
 232     // accessors
 233     void Set(int xx, int yy) { x = xx; y = yy; }
 234     void SetWidth(int w) { x = w; }
 235     void SetHeight(int h) { y = h; }
 236
 237     int GetWidth() const { return x; }
 238     int GetHeight() const { return y; }
 239
 240     bool IsFullySpecified() const { return x != wxDefaultCoord && y != wxDefaultCoord; }
 241
 242     // combine this size with the other one replacing the default (i.e. equal
 243     // to wxDefaultCoord) components of this object with those of the other
 244     void SetDefaults(const wxSize& size)
 245     {
 246         if ( x == wxDefaultCoord )
 247             x = size.x;
 248         if ( y == wxDefaultCoord )
 249             y = size.y;
 250     }
 251
 252     // compatibility
 253     int GetX() const { return x; }
 254     int GetY() const { return y; }
 255 };
 256
 257 // ---------------------------------------------------------------------------
 258 // Point classes: with real or integer coordinates
 259 // ---------------------------------------------------------------------------
 260
 261 class WXDLLEXPORT wxRealPoint
 262 {
 263 public:
 264     double x;
 265     double y;
 266
 267     wxRealPoint() : x(0.0), y(0.0) { }
 268     wxRealPoint(double xx, double yy) : x(xx), y(yy) { }
 269
 270     wxRealPoint operator+(const wxRealPoint& pt) const { return wxRealPoint(x + pt.x, y + pt.y); }
 271     wxRealPoint operator-(const wxRealPoint& pt) const { return wxRealPoint(x - pt.x, y - pt.y); }
 272
 273     bool operator==(const wxRealPoint& pt) const
 274     {
 275         return wxIsSameDouble(x, pt.x) && wxIsSameDouble(y, pt.y);
 276     }
 277     bool operator!=(const wxRealPoint& pt) const { return !(*this == pt); }
 278 };
 279
 280
 281 class WXDLLEXPORT wxPoint
 282 {
 283 public:
 284     int x, y;
 285
 286     wxPoint() : x(0), y(0) { }
 287     wxPoint(int xx, int yy) : x(xx), y(yy) { }
 288
 289     // no copy ctor or assignment operator - the defaults are ok
 290
 291     // comparison
 292     bool operator==(const wxPoint& p) const { return x == p.x && y == p.y; }
 293     bool operator!=(const wxPoint& p) const { return !(*this == p); }
 294
 295     // arithmetic operations (component wise)
 296     wxPoint operator+(const wxPoint& p) const { return wxPoint(x + p.x, y + p.y); }
 297     wxPoint operator-(const wxPoint& p) const { return wxPoint(x - p.x, y - p.y); }
 298
 299     wxPoint& operator+=(const wxPoint& p) { x += p.x; y += p.y; return *this; }
 300     wxPoint& operator-=(const wxPoint& p) { x -= p.x; y -= p.y; return *this; }
 301
 302     wxPoint& operator+=(const wxSize& s) { x += s.GetWidth(); y += s.GetHeight(); return *this; }
 303     wxPoint& operator-=(const wxSize& s) { x -= s.GetWidth(); y -= s.GetHeight(); return *this; }
 304
 305     wxPoint operator+(const wxSize& s) const { return wxPoint(x + s.GetWidth(), y + s.GetHeight()); }
 306     wxPoint operator-(const wxSize& s) const { return wxPoint(x - s.GetWidth(), y - s.GetHeight()); }
 307 };
 308
 309 // ---------------------------------------------------------------------------
 310 // wxRect
 311 // ---------------------------------------------------------------------------
 312
 313 class WXDLLEXPORT wxRect
 314 {
 315 public:
 316     wxRect()
 317         : x(0), y(0), width(0), height(0)
 318         { }
 319     wxRect(int xx, int yy, int ww, int hh)
 320         : x(xx), y(yy), width(ww), height(hh)
 321         { }
 322     wxRect(const wxPoint& topLeft, const wxPoint& bottomRight);
 323     wxRect(const wxPoint& pt, const wxSize& size)
 324         : x(pt.x), y(pt.y), width(size.x), height(size.y)
 325         { }
 326     wxRect(const wxSize& size)
 327         : x(0), y(0), width(size.x), height(size.y)
 328         { }
 329
 330     // default copy ctor and assignment operators ok
 331
 332     int GetX() const { return x; }
 333     void SetX(int xx) { x = xx; }
 334
 335     int GetY() const { return y; }
 336     void SetY(int yy) { y = yy; }
 337
 338     int GetWidth() const { return width; }
 339     void SetWidth(int w) { width = w; }
 340
 341     int GetHeight() const { return height; }
 342     void SetHeight(int h) { height = h; }
 343
 344     wxPoint GetPosition() const { return wxPoint(x, y); }
 345     void SetPosition( const wxPoint &p ) { x = p.x; y = p.y; }
 346
 347     wxSize GetSize() const { return wxSize(width, height); }
 348     void SetSize( const wxSize &s ) { width = s.GetWidth(); height = s.GetHeight(); }
 349
 350     bool IsEmpty() const { return (width <= 0) || (height <= 0); }
 351
 352     wxPoint GetTopLeft() const { return GetPosition(); }
 353     wxPoint GetLeftTop() const { return GetTopLeft(); }
 354     void SetTopLeft(const wxPoint &p) { SetPosition(p); }
 355     void SetLeftTop(const wxPoint &p) { SetTopLeft(p); }
 356
 357     wxPoint GetBottomRight() const { return wxPoint(GetRight(), GetBottom()); }
 358     wxPoint GetRightBottom() const { return GetBottomRight(); }
 359     void SetBottomRight(const wxPoint &p) { SetRight(p.x); SetBottom(p.y); }
 360     void SetRightBottom(const wxPoint &p) { SetBottomRight(p); }
 361
 362     int GetLeft()   const { return x; }
 363     int GetTop()    const { return y; }
 364     int GetBottom() const { return y + height - 1; }
 365     int GetRight()  const { return x + width - 1; }
 366
 367     void SetLeft(int left) { x = left; }
 368     void SetRight(int right) { width = right - x + 1; }
 369     void SetTop(int top) { y = top; }
 370     void SetBottom(int bottom) { height = bottom - y + 1; }
 371
 372     // operations with rect
 373     wxRect& Inflate(wxCoord dx, wxCoord dy);
 374     wxRect& Inflate(wxCoord d) { return Inflate(d, d); }
 375     wxRect Inflate(wxCoord dx, wxCoord dy) const
 376     {
 377         wxRect r = *this;
 378         r.Inflate(dx, dy);
 379         return r;
 380     }
 381
 382     wxRect& Deflate(wxCoord dx, wxCoord dy) { return Inflate(-dx, -dy); }
 383     wxRect& Deflate(wxCoord d) { return Inflate(-d); }
 384     wxRect Deflate(wxCoord dx, wxCoord dy) const
 385     {
 386         wxRect r = *this;
 387         r.Deflate(dx, dy);
 388         return r;
 389     }
 390
 391     void Offset(wxCoord dx, wxCoord dy) { x += dx; y += dy; }
 392     void Offset(const wxPoint& pt) { Offset(pt.x, pt.y); }
 393
 394     wxRect& Intersect(const wxRect& rect);
 395     wxRect Intersect(const wxRect& rect) const
 396     {
 397         wxRect r = *this;
 398         r.Intersect(rect);
 399         return r;
 400     }
 401
 402     wxRect& Union(const wxRect& rect);
 403     wxRect Union(const wxRect& rect) const
 404     {
 405         wxRect r = *this;
 406         r.Union(rect);
 407         return r;
 408     }
 409
 410     // compare rectangles
 411     bool operator==(const wxRect& rect) const;
 412     bool operator!=(const wxRect& rect) const { return !(*this == rect); }
 413
 414     // return true if the point is (not strcitly) inside the rect
 415     bool Inside(int x, int y) const;
 416     bool Inside(const wxPoint& pt) const { return Inside(pt.x, pt.y); }
 417
 418     // return true if the rectangles have a non empty intersection
 419     bool Intersects(const wxRect& rect) const;
 420
 421
 422     // these are like Union() but don't ignore empty rectangles
 423     wxRect operator+(const wxRect& rect) const;
 424     wxRect& operator+=(const wxRect& rect)
 425     {
 426         *this = *this + rect;
 427         return *this;
 428     }
 429
 430
 431 public:
 432     int x, y, width, height;
 433 };
 434
 435 // ---------------------------------------------------------------------------
 436 // Management of pens, brushes and fonts
 437 // ---------------------------------------------------------------------------
 438
 439 typedef wxInt8 wxDash;
 440
 441 class WXDLLEXPORT wxPenList : public wxList
 442 {
 443 public:
 444     wxPenList() { }
 445     ~wxPenList();
 446
 447     void AddPen(wxPen *pen);
 448     void RemovePen(wxPen *pen);
 449     wxPen *FindOrCreatePen(const wxColour& colour, int width, int style);
 450 };
 451
 452 class WXDLLEXPORT wxBrushList : public wxList
 453 {
 454 public:
 455     wxBrushList() { }
 456     ~wxBrushList();
 457
 458     void AddBrush(wxBrush *brush);
 459     void RemoveBrush(wxBrush *brush);
 460     wxBrush *FindOrCreateBrush(const wxColour& colour, int style = wxSOLID);
 461 };
 462
 463 class WXDLLEXPORT wxFontList : public wxList
 464 {
 465 public:
 466     wxFontList() { }
 467     ~wxFontList();
 468
 469     void AddFont(wxFont *font);
 470     void RemoveFont(wxFont *font);
 471     wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
 472                              bool underline = false,
 473                              const wxString& face = wxEmptyString,
 474                              wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 475 };
 476
 477 WX_DECLARE_STRING_HASH_MAP( wxColour *, wxStringToColourHashMap );
 478
 479 class WXDLLEXPORT wxColourDatabase
 480 {
 481 public:
 482     wxColourDatabase();
 483     ~wxColourDatabase();
 484
 485     // find colour by name or name for the given colour
 486     wxColour Find(const wxString& name) const;
 487     wxString FindName(const wxColour& colour) const;
 488
 489     // add a new colour to the database
 490     void AddColour(const wxString& name, const wxColour& colour);
 491
 492     // deprecated, use Find() instead
 493     wxDEPRECATED( wxColour *FindColour(const wxString& name) );
 494
 495
 496 #ifdef __WXPM__
 497     // PM keeps its own type of colour table
 498     long*                           m_palTable;
 499     size_t                          m_nSize;
 500 #endif
 501
 502 private:
 503     // load the database with the built in colour values when called for the
 504     // first time, do nothing after this
 505     void Initialize();
 506
 507     wxStringToColourHashMap *m_map;
 508 };
 509
 510 class WXDLLEXPORT wxBitmapList : public wxList
 511 {
 512 public:
 513     wxBitmapList(){}
 514     ~wxBitmapList();
 515
 516     void AddBitmap(wxBitmap *bitmap);
 517     void RemoveBitmap(wxBitmap *bitmap);
 518 };
 519
 520 class WXDLLEXPORT wxResourceCache: public wxList
 521 {
 522 public:
 523     wxResourceCache() { }
 524 #if !wxUSE_STL
 525     wxResourceCache(const unsigned int keyType) : wxList(keyType) { }
 526 #endif
 527     ~wxResourceCache();
 528 };
 529
 530 // ---------------------------------------------------------------------------
 531 // global variables
 532 // ---------------------------------------------------------------------------
 533
 534 // Lists of GDI objects
 535 extern WXDLLEXPORT_DATA(wxPenList*)   wxThePenList;
 536 extern WXDLLEXPORT_DATA(wxBrushList*)   wxTheBrushList;
 537 extern WXDLLEXPORT_DATA(wxFontList*)    wxTheFontList;
 538 extern WXDLLEXPORT_DATA(wxBitmapList*)  wxTheBitmapList;
 539
 540 // Stock objects
 541 extern WXDLLEXPORT_DATA(wxFont*)      wxNORMAL_FONT;
 542 extern WXDLLEXPORT_DATA(wxFont*)      wxSMALL_FONT;
 543 extern WXDLLEXPORT_DATA(wxFont*)      wxITALIC_FONT;
 544 extern WXDLLEXPORT_DATA(wxFont*)      wxSWISS_FONT;
 545
 546 extern WXDLLEXPORT_DATA(wxPen*)      wxRED_PEN;
 547 extern WXDLLEXPORT_DATA(wxPen*)      wxCYAN_PEN;
 548 extern WXDLLEXPORT_DATA(wxPen*)      wxGREEN_PEN;
 549 extern WXDLLEXPORT_DATA(wxPen*)      wxBLACK_PEN;
 550 extern WXDLLEXPORT_DATA(wxPen*)      wxWHITE_PEN;
 551 extern WXDLLEXPORT_DATA(wxPen*)      wxTRANSPARENT_PEN;
 552 extern WXDLLEXPORT_DATA(wxPen*)      wxBLACK_DASHED_PEN;
 553 extern WXDLLEXPORT_DATA(wxPen*)      wxGREY_PEN;
 554 extern WXDLLEXPORT_DATA(wxPen*)      wxMEDIUM_GREY_PEN;
 555 extern WXDLLEXPORT_DATA(wxPen*)      wxLIGHT_GREY_PEN;
 556
 557 extern WXDLLEXPORT_DATA(wxBrush*)    wxBLUE_BRUSH;
 558 extern WXDLLEXPORT_DATA(wxBrush*)    wxGREEN_BRUSH;
 559 extern WXDLLEXPORT_DATA(wxBrush*)    wxWHITE_BRUSH;
 560 extern WXDLLEXPORT_DATA(wxBrush*)    wxBLACK_BRUSH;
 561 extern WXDLLEXPORT_DATA(wxBrush*)    wxGREY_BRUSH;
 562 extern WXDLLEXPORT_DATA(wxBrush*)    wxMEDIUM_GREY_BRUSH;
 563 extern WXDLLEXPORT_DATA(wxBrush*)    wxLIGHT_GREY_BRUSH;
 564 extern WXDLLEXPORT_DATA(wxBrush*)    wxTRANSPARENT_BRUSH;
 565 extern WXDLLEXPORT_DATA(wxBrush*)    wxCYAN_BRUSH;
 566 extern WXDLLEXPORT_DATA(wxBrush*)    wxRED_BRUSH;
 567
 568 extern WXDLLEXPORT_DATA(wxColour*)    wxBLACK;
 569 extern WXDLLEXPORT_DATA(wxColour*)    wxWHITE;
 570 extern WXDLLEXPORT_DATA(wxColour*)    wxRED;
 571 extern WXDLLEXPORT_DATA(wxColour*)    wxBLUE;
 572 extern WXDLLEXPORT_DATA(wxColour*)    wxGREEN;
 573 extern WXDLLEXPORT_DATA(wxColour*)    wxCYAN;
 574 extern WXDLLEXPORT_DATA(wxColour*)    wxLIGHT_GREY;
 575
 576 // 'Null' objects
 577 extern WXDLLEXPORT_DATA(wxBitmap)     wxNullBitmap;
 578 extern WXDLLEXPORT_DATA(wxIcon)       wxNullIcon;
 579 extern WXDLLEXPORT_DATA(wxCursor)     wxNullCursor;
 580 extern WXDLLEXPORT_DATA(wxPen)        wxNullPen;
 581 extern WXDLLEXPORT_DATA(wxBrush)      wxNullBrush;
 582 extern WXDLLEXPORT_DATA(wxPalette)     wxNullPalette;
 583 extern WXDLLEXPORT_DATA(wxFont)       wxNullFont;
 584 extern WXDLLEXPORT_DATA(wxColour)     wxNullColour;
 585
 586 // Stock cursors types
 587 extern WXDLLEXPORT_DATA(wxCursor*)    wxSTANDARD_CURSOR;
 588 extern WXDLLEXPORT_DATA(wxCursor*)    wxHOURGLASS_CURSOR;
 589 extern WXDLLEXPORT_DATA(wxCursor*)    wxCROSS_CURSOR;
 590
 591 extern WXDLLEXPORT_DATA(wxColourDatabase*)  wxTheColourDatabase;
 592
 593 extern WXDLLEXPORT_DATA(const wxChar) wxPanelNameStr[];
 594
 595 extern WXDLLEXPORT_DATA(const wxSize) wxDefaultSize;
 596 extern WXDLLEXPORT_DATA(const wxPoint) wxDefaultPosition;
 597
 598 // The list of objects which should be deleted
 599 extern WXDLLEXPORT_DATA(wxList) wxPendingDelete;
 600
 601 // ---------------------------------------------------------------------------
 602 // global functions
 603 // ---------------------------------------------------------------------------
 604
 605 // resource management
 606 extern void WXDLLEXPORT wxInitializeStockObjects();
 607 extern void WXDLLEXPORT wxInitializeStockLists();
 608 extern void WXDLLEXPORT wxDeleteStockObjects();
 609 extern void WXDLLEXPORT wxDeleteStockLists();
 610
 611 // is the display colour (or monochrome)?
 612 extern bool WXDLLEXPORT wxColourDisplay();
 613
 614 // Returns depth of screen
 615 extern int WXDLLEXPORT wxDisplayDepth();
 616 #define wxGetDisplayDepth wxDisplayDepth
 617
 618 // get the display size
 619 extern void WXDLLEXPORT wxDisplaySize(int *width, int *height);
 620 extern wxSize WXDLLEXPORT wxGetDisplaySize();
 621 extern void WXDLLEXPORT wxDisplaySizeMM(int *width, int *height);
 622 extern wxSize WXDLLEXPORT wxGetDisplaySizeMM();
 623
 624 // Get position and size of the display workarea
 625 extern void WXDLLEXPORT wxClientDisplayRect(int *x, int *y, int *width, int *height);
 626 extern wxRect WXDLLEXPORT wxGetClientDisplayRect();
 627
 628 // set global cursor
 629 extern void WXDLLEXPORT wxSetCursor(const wxCursor& cursor);
 630
 631 #endif
 632     // _WX_GDICMNH__