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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 #ifdef __GNUG__
20 #pragma interface "gdicmn.h"
21 #endif
22
23 #include "wx/object.h"
24 #include "wx/list.h"
25 #include "wx/hash.h"
26 #include "wx/string.h"
27 #include "wx/setup.h"
28 #include "wx/colour.h"
29 #include "wx/font.h"
30
31 // ---------------------------------------------------------------------------
32 // forward declarations
33 // ---------------------------------------------------------------------------
34
35 class WXDLLEXPORT wxBitmap;
36 class WXDLLEXPORT wxBrush;
37 class WXDLLEXPORT wxColour;
38 class WXDLLEXPORT wxCursor;
39 class WXDLLEXPORT wxFont;
40 class WXDLLEXPORT wxIcon;
41 class WXDLLEXPORT wxPalette;
42 class WXDLLEXPORT wxPen;
43 class WXDLLEXPORT wxRegion;
44 class WXDLLEXPORT wxString;
45
46 // ---------------------------------------------------------------------------
47 // constants
48 // ---------------------------------------------------------------------------
49
50 // Bitmap flags
51 enum wxBitmapType
52 {
53 wxBITMAP_TYPE_INVALID, // should be == 0 for compatibility!
54 wxBITMAP_TYPE_BMP,
55 wxBITMAP_TYPE_BMP_RESOURCE,
56 wxBITMAP_TYPE_RESOURCE = wxBITMAP_TYPE_BMP_RESOURCE,
57 wxBITMAP_TYPE_ICO,
58 wxBITMAP_TYPE_ICO_RESOURCE,
59 wxBITMAP_TYPE_CUR,
60 wxBITMAP_TYPE_CUR_RESOURCE,
61 wxBITMAP_TYPE_XBM,
62 wxBITMAP_TYPE_XBM_DATA,
63 wxBITMAP_TYPE_XPM,
64 wxBITMAP_TYPE_XPM_DATA,
65 wxBITMAP_TYPE_TIF,
66 wxBITMAP_TYPE_TIF_RESOURCE,
67 wxBITMAP_TYPE_GIF,
68 wxBITMAP_TYPE_GIF_RESOURCE,
69 wxBITMAP_TYPE_PNG,
70 wxBITMAP_TYPE_PNG_RESOURCE,
71 wxBITMAP_TYPE_JPEG,
72 wxBITMAP_TYPE_JPEG_RESOURCE,
73 wxBITMAP_TYPE_PNM,
74 wxBITMAP_TYPE_PNM_RESOURCE,
75 wxBITMAP_TYPE_PCX,
76 wxBITMAP_TYPE_PCX_RESOURCE,
77 wxBITMAP_TYPE_PICT,
78 wxBITMAP_TYPE_PICT_RESOURCE,
79 wxBITMAP_TYPE_ICON,
80 wxBITMAP_TYPE_ICON_RESOURCE,
81 wxBITMAP_TYPE_ANI,
82 wxBITMAP_TYPE_IFF,
83 wxBITMAP_TYPE_MACCURSOR,
84 wxBITMAP_TYPE_MACCURSOR_RESOURCE,
85 wxBITMAP_TYPE_ANY = 50
86 };
87
88 // Standard cursors
89 enum wxStockCursor
90 {
91 wxCURSOR_NONE, // should be 0
92 wxCURSOR_ARROW,
93 wxCURSOR_RIGHT_ARROW,
94 wxCURSOR_BULLSEYE,
95 wxCURSOR_CHAR,
96 wxCURSOR_CROSS,
97 wxCURSOR_HAND,
98 wxCURSOR_IBEAM,
99 wxCURSOR_LEFT_BUTTON,
100 wxCURSOR_MAGNIFIER,
101 wxCURSOR_MIDDLE_BUTTON,
102 wxCURSOR_NO_ENTRY,
103 wxCURSOR_PAINT_BRUSH,
104 wxCURSOR_PENCIL,
105 wxCURSOR_POINT_LEFT,
106 wxCURSOR_POINT_RIGHT,
107 wxCURSOR_QUESTION_ARROW,
108 wxCURSOR_RIGHT_BUTTON,
109 wxCURSOR_SIZENESW,
110 wxCURSOR_SIZENS,
111 wxCURSOR_SIZENWSE,
112 wxCURSOR_SIZEWE,
113 wxCURSOR_SIZING,
114 wxCURSOR_SPRAYCAN,
115 wxCURSOR_WAIT,
116 wxCURSOR_WATCH,
117 wxCURSOR_BLANK,
118 #ifdef __WXGTK__
119 wxCURSOR_DEFAULT, // standard X11 cursor
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("" #X "")
155 #elif defined(__WXPM__)
156 // Load from a resource
157 #define wxICON(X) wxIcon("" #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("" #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(#name, wxBITMAP_TYPE_RESOURCE)
184 #elif defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXX11__) || defined(__WXMAC__) || defined(__WXMGL__)
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 // especially that there names were chosen very unfortunately - they should
204 // have been called width and height)
205 int x, y;
206
207 // constructors
208 wxSize() : x(0), y(0) { }
209 wxSize(int xx, int yy) : x(xx), y(yy) { }
210
211 // no copy ctor or assignment operator - the defaults are ok
212
213 bool operator==(const wxSize& sz) const { return x == sz.x && y == sz.y; }
214 bool operator!=(const wxSize& sz) const { return x != sz.x || y != sz.y; }
215
216 // FIXME are these really useful? If they're, we should have += &c as well
217 wxSize operator+(const wxSize& sz) { return wxSize(x + sz.x, y + sz.y); }
218 wxSize operator-(const wxSize& sz) { return wxSize(x - sz.x, y - sz.y); }
219
220 // accessors
221 void Set(int xx, int yy) { x = xx; y = yy; }
222 void SetWidth(int w) { x = w; }
223 void SetHeight(int h) { y = h; }
224
225 int GetWidth() const { return x; }
226 int GetHeight() const { return y; }
227
228 // compatibility
229 int GetX() const { return x; }
230 int GetY() const { return y; }
231 };
232
233 // ---------------------------------------------------------------------------
234 // Point classes: with real or integer coordinates
235 // ---------------------------------------------------------------------------
236
237 class WXDLLEXPORT wxRealPoint
238 {
239 public:
240 double x;
241 double y;
242
243 wxRealPoint() : x(0.0), y(0.0) { }
244 wxRealPoint(double xx, double yy) : x(xx), y(yy) { }
245
246 wxRealPoint operator+(const wxRealPoint& pt) const { return wxRealPoint(x + pt.x, y + pt.y); }
247 wxRealPoint operator-(const wxRealPoint& pt) const { return wxRealPoint(x - pt.x, y - pt.y); }
248
249 bool operator==(const wxRealPoint& pt) const { return x == pt.x && y == pt.y; }
250 };
251
252 class WXDLLEXPORT wxPoint
253 {
254 public:
255 int x, y;
256
257 wxPoint() : x(0), y(0) { }
258 wxPoint(int xx, int yy) : x(xx), y(yy) { }
259
260 // no copy ctor or assignment operator - the defaults are ok
261
262 // comparison
263 bool operator==(const wxPoint& p) const { return x == p.x && y == p.y; }
264 bool operator!=(const wxPoint& p) const { return !(*this == p); }
265
266 // arithmetic operations (component wise)
267 wxPoint operator+(const wxPoint& p) const { return wxPoint(x + p.x, y + p.y); }
268 wxPoint operator-(const wxPoint& p) const { return wxPoint(x - p.x, y - p.y); }
269
270 wxPoint& operator+=(const wxPoint& p) { x += p.x; y += p.y; return *this; }
271 wxPoint& operator-=(const wxPoint& p) { x -= p.x; y -= p.y; return *this; }
272 };
273
274 #if WXWIN_COMPATIBILITY
275 #define wxIntPoint wxPoint
276 #define wxRectangle wxRect
277 #endif // WXWIN_COMPATIBILITY
278
279 // ---------------------------------------------------------------------------
280 // wxRect
281 // ---------------------------------------------------------------------------
282
283 class WXDLLEXPORT wxRect
284 {
285 public:
286 wxRect()
287 : x(0), y(0), width(0), height(0)
288 { }
289 wxRect(int xx, int yy, int ww, int hh)
290 : x(xx), y(yy), width(ww), height(hh)
291 { }
292 wxRect(const wxPoint& topLeft, const wxPoint& bottomRight);
293 wxRect(const wxPoint& pos, const wxSize& size);
294
295 // default copy ctor and assignment operators ok
296
297 int GetX() const { return x; }
298 void SetX(int xx) { x = xx; }
299
300 int GetY() const { return y; }
301 void SetY(int yy) { y = yy; }
302
303 int GetWidth() const { return width; }
304 void SetWidth(int w) { width = w; }
305
306 int GetHeight() const { return height; }
307 void SetHeight(int h) { height = h; }
308
309 wxPoint GetPosition() const { return wxPoint(x, y); }
310 wxSize GetSize() const { return wxSize(width, height); }
311
312 int GetLeft() const { return x; }
313 int GetTop() const { return y; }
314 int GetBottom() const { return y + height - 1; }
315 int GetRight() const { return x + width - 1; }
316
317 void SetLeft(int left) { x = left; }
318 void SetRight(int right) { width = right - x + 1; }
319 void SetTop(int top) { y = top; }
320 void SetBottom(int bottom) { height = bottom - y + 1; }
321
322 // operations with rect
323 wxRect& Inflate(wxCoord dx, wxCoord dy);
324 wxRect& Inflate(wxCoord d) { return Inflate(d, d); }
325 wxRect Inflate(wxCoord dx, wxCoord dy) const
326 {
327 wxRect r = *this;
328 r.Inflate(dx, dy);
329 return r;
330 }
331
332 wxRect& Deflate(wxCoord dx, wxCoord dy) { return Inflate(-dx, -dy); }
333 wxRect& Deflate(wxCoord d) { return Inflate(-d); }
334 wxRect Deflate(wxCoord dx, wxCoord dy) const
335 {
336 wxRect r = *this;
337 r.Deflate(dx, dy);
338 return r;
339 }
340
341 void Offset(wxCoord dx, wxCoord dy) { x += dx; y += dy; }
342 void Offset(const wxPoint& pt) { Offset(pt.x, pt.y); }
343
344 wxRect& Intersect(const wxRect& rect);
345 wxRect Intersect(const wxRect& rect) const
346 {
347 wxRect r = *this;
348 r.Intersect(rect);
349 return r;
350 }
351
352 wxRect operator+(const wxRect& rect) const;
353 wxRect& operator+=(const wxRect& rect);
354
355 // compare rectangles
356 bool operator==(const wxRect& rect) const;
357 bool operator!=(const wxRect& rect) const { return !(*this == rect); }
358
359 // return TRUE if the point is (not strcitly) inside the rect
360 bool Inside(int x, int y) const;
361 bool Inside(const wxPoint& pt) const { return Inside(pt.x, pt.y); }
362
363 // return TRUE if the rectangles have a non empty intersection
364 bool Intersects(const wxRect& rect) const;
365
366 public:
367 int x, y, width, height;
368 };
369
370 // ---------------------------------------------------------------------------
371 // Management of pens, brushes and fonts
372 // ---------------------------------------------------------------------------
373
374 typedef wxInt8 wxDash;
375
376 class WXDLLEXPORT wxPenList : public wxList
377 {
378 DECLARE_DYNAMIC_CLASS(wxPenList)
379
380 public:
381 wxPenList() { }
382 ~wxPenList();
383
384 void AddPen(wxPen *pen);
385 void RemovePen(wxPen *pen);
386 wxPen *FindOrCreatePen(const wxColour& colour, int width, int style);
387 };
388
389 class WXDLLEXPORT wxBrushList : public wxList
390 {
391 DECLARE_DYNAMIC_CLASS(wxBrushList)
392
393 public:
394 wxBrushList() { }
395 ~wxBrushList();
396
397 void AddBrush(wxBrush *brush);
398 void RemoveBrush(wxBrush *brush);
399 wxBrush *FindOrCreateBrush(const wxColour& colour, int style);
400 };
401
402 WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
403
404 class WXDLLEXPORT wxFontList : public wxList
405 {
406 DECLARE_DYNAMIC_CLASS(wxFontList)
407
408 public:
409 wxFontList() { }
410 ~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 wxColourDatabase : public wxList
421 {
422 DECLARE_CLASS(wxColourDatabase)
423
424 public:
425 wxColourDatabase(int type);
426 ~wxColourDatabase() ;
427
428 // Not const because it may add a name to the database
429 wxColour *FindColour(const wxString& colour) ;
430 wxString FindName(const wxColour& colour) const;
431 void Initialize();
432 #ifdef __WXPM__
433 // PM keeps its own type of colour table
434 long* m_palTable;
435 size_t m_nSize;
436 #endif
437 };
438
439 class WXDLLEXPORT wxBitmapList : public wxList
440 {
441 DECLARE_DYNAMIC_CLASS(wxBitmapList)
442
443 public:
444 wxBitmapList();
445 ~wxBitmapList();
446
447 void AddBitmap(wxBitmap *bitmap);
448 void RemoveBitmap(wxBitmap *bitmap);
449 };
450
451 class WXDLLEXPORT wxResourceCache: public wxList
452 {
453 public:
454 wxResourceCache() { }
455 wxResourceCache(const unsigned int keyType) : wxList(keyType) { }
456 ~wxResourceCache();
457
458 private:
459 DECLARE_DYNAMIC_CLASS(wxResourceCache)
460 };
461
462 // ---------------------------------------------------------------------------
463 // global variables
464 // ---------------------------------------------------------------------------
465
466 // Lists of GDI objects
467 WXDLLEXPORT_DATA(extern wxPenList*) wxThePenList;
468 WXDLLEXPORT_DATA(extern wxBrushList*) wxTheBrushList;
469 WXDLLEXPORT_DATA(extern wxFontList*) wxTheFontList;
470 WXDLLEXPORT_DATA(extern wxBitmapList*) wxTheBitmapList;
471
472 // Stock objects
473 WXDLLEXPORT_DATA(extern wxFont*) wxNORMAL_FONT;
474 WXDLLEXPORT_DATA(extern wxFont*) wxSMALL_FONT;
475 WXDLLEXPORT_DATA(extern wxFont*) wxITALIC_FONT;
476 WXDLLEXPORT_DATA(extern wxFont*) wxSWISS_FONT;
477
478 WXDLLEXPORT_DATA(extern wxPen*) wxRED_PEN;
479 WXDLLEXPORT_DATA(extern wxPen*) wxCYAN_PEN;
480 WXDLLEXPORT_DATA(extern wxPen*) wxGREEN_PEN;
481 WXDLLEXPORT_DATA(extern wxPen*) wxBLACK_PEN;
482 WXDLLEXPORT_DATA(extern wxPen*) wxWHITE_PEN;
483 WXDLLEXPORT_DATA(extern wxPen*) wxTRANSPARENT_PEN;
484 WXDLLEXPORT_DATA(extern wxPen*) wxBLACK_DASHED_PEN;
485 WXDLLEXPORT_DATA(extern wxPen*) wxGREY_PEN;
486 WXDLLEXPORT_DATA(extern wxPen*) wxMEDIUM_GREY_PEN;
487 WXDLLEXPORT_DATA(extern wxPen*) wxLIGHT_GREY_PEN;
488
489 WXDLLEXPORT_DATA(extern wxBrush*) wxBLUE_BRUSH;
490 WXDLLEXPORT_DATA(extern wxBrush*) wxGREEN_BRUSH;
491 WXDLLEXPORT_DATA(extern wxBrush*) wxWHITE_BRUSH;
492 WXDLLEXPORT_DATA(extern wxBrush*) wxBLACK_BRUSH;
493 WXDLLEXPORT_DATA(extern wxBrush*) wxGREY_BRUSH;
494 WXDLLEXPORT_DATA(extern wxBrush*) wxMEDIUM_GREY_BRUSH;
495 WXDLLEXPORT_DATA(extern wxBrush*) wxLIGHT_GREY_BRUSH;
496 WXDLLEXPORT_DATA(extern wxBrush*) wxTRANSPARENT_BRUSH;
497 WXDLLEXPORT_DATA(extern wxBrush*) wxCYAN_BRUSH;
498 WXDLLEXPORT_DATA(extern wxBrush*) wxRED_BRUSH;
499
500 WXDLLEXPORT_DATA(extern wxColour*) wxBLACK;
501 WXDLLEXPORT_DATA(extern wxColour*) wxWHITE;
502 WXDLLEXPORT_DATA(extern wxColour*) wxRED;
503 WXDLLEXPORT_DATA(extern wxColour*) wxBLUE;
504 WXDLLEXPORT_DATA(extern wxColour*) wxGREEN;
505 WXDLLEXPORT_DATA(extern wxColour*) wxCYAN;
506 WXDLLEXPORT_DATA(extern wxColour*) wxLIGHT_GREY;
507
508 // 'Null' objects
509 WXDLLEXPORT_DATA(extern wxBitmap) wxNullBitmap;
510 WXDLLEXPORT_DATA(extern wxIcon) wxNullIcon;
511 WXDLLEXPORT_DATA(extern wxCursor) wxNullCursor;
512 WXDLLEXPORT_DATA(extern wxPen) wxNullPen;
513 WXDLLEXPORT_DATA(extern wxBrush) wxNullBrush;
514 WXDLLEXPORT_DATA(extern wxPalette) wxNullPalette;
515 WXDLLEXPORT_DATA(extern wxFont) wxNullFont;
516 WXDLLEXPORT_DATA(extern wxColour) wxNullColour;
517
518 // Stock cursors types
519 WXDLLEXPORT_DATA(extern wxCursor*) wxSTANDARD_CURSOR;
520 WXDLLEXPORT_DATA(extern wxCursor*) wxHOURGLASS_CURSOR;
521 WXDLLEXPORT_DATA(extern wxCursor*) wxCROSS_CURSOR;
522
523 WXDLLEXPORT_DATA(extern wxColourDatabase*) wxTheColourDatabase;
524
525 WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
526
527 WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize;
528 WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition;
529
530 // The list of objects which should be deleted
531 WXDLLEXPORT_DATA(extern wxList) wxPendingDelete;
532
533 // ---------------------------------------------------------------------------
534 // global functions
535 // ---------------------------------------------------------------------------
536
537 // resource management
538 extern void WXDLLEXPORT wxInitializeStockObjects();
539 extern void WXDLLEXPORT wxInitializeStockLists();
540 extern void WXDLLEXPORT wxDeleteStockObjects();
541 extern void WXDLLEXPORT wxDeleteStockLists();
542
543 // is the display colour (or monochrome)?
544 extern bool WXDLLEXPORT wxColourDisplay();
545
546 // Returns depth of screen
547 extern int WXDLLEXPORT wxDisplayDepth();
548 #define wxGetDisplayDepth wxDisplayDepth
549
550 // get the display size
551 extern void WXDLLEXPORT wxDisplaySize(int *width, int *height);
552 extern wxSize WXDLLEXPORT wxGetDisplaySize();
553 extern void WXDLLEXPORT wxDisplaySizeMM(int *width, int *height);
554 extern wxSize WXDLLEXPORT wxGetDisplaySizeMM();
555
556 // Get position and size of the display workarea
557 extern void WXDLLEXPORT wxClientDisplayRect(int *x, int *y, int *width, int *height);
558 extern wxRect WXDLLEXPORT wxGetClientDisplayRect();
559
560 // set global cursor
561 extern void WXDLLEXPORT wxSetCursor(const wxCursor& cursor);
562
563 #endif
564 // _WX_GDICMNH__