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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
35class WXDLLEXPORT wxBitmap;
36class WXDLLEXPORT wxBrush;
37class WXDLLEXPORT wxColour;
38class WXDLLEXPORT wxCursor;
39class WXDLLEXPORT wxFont;
40class WXDLLEXPORT wxIcon;
41class WXDLLEXPORT wxPalette;
42class WXDLLEXPORT wxPen;
43class WXDLLEXPORT wxRegion;
44class WXDLLEXPORT wxString;
45
46// ---------------------------------------------------------------------------
47// constants
48// ---------------------------------------------------------------------------
49
50// Bitmap flags
51enum 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_MACCURSOR,
82 wxBITMAP_TYPE_MACCURSOR_RESOURCE,
83 wxBITMAP_TYPE_ANY = 50
84};
85
86// Standard cursors
87enum wxStockCursor
88{
89 wxCURSOR_NONE, // should be 0
90 wxCURSOR_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 __X__
119 // Not yet implemented for Windows
120 wxCURSOR_CROSS_REVERSE,
121 wxCURSOR_DOUBLE_ARROW,
122 wxCURSOR_BASED_ARROW_UP,
123 wxCURSOR_BASED_ARROW_DOWN,
124#endif // X11
125
126 wxCURSOR_ARROWWAIT,
127
128 wxCURSOR_MAX
129};
130
131#ifndef __WXGTK__
132 #define wxCURSOR_DEFAULT wxCURSOR_ARROW
133#endif
134
135// ---------------------------------------------------------------------------
136// macros
137// ---------------------------------------------------------------------------
138
139/* Useful macro for creating icons portably, for example:
140
141 wxIcon *icon = new wxICON(mondrian);
142
143 expands into:
144
145 wxIcon *icon = new wxIcon("mondrian"); // On wxMSW
146 wxIcon *icon = new wxIcon(mondrian_xpm); // On wxGTK
147 */
148
149#ifdef __WXMSW__
150 // Load from a resource
151 #define wxICON(X) wxIcon("" #X "")
152#elif defined(__WXPM__)
153 // Load from a resource
154 #define wxICON(X) wxIcon("" #X "")
155#elif defined(__WXMGL__)
156 // Load from a resource
157 #define wxICON(X) wxIcon("" #X "")
158#elif defined(__WXGTK__)
159 // Initialize from an included XPM
160 #define wxICON(X) wxIcon( (const char**) X##_xpm )
161#elif defined(__WXMAC__)
162 // Initialize from an included XPM
163 #define wxICON(X) wxIcon( (const char**) X##_xpm )
164#elif defined(__WXMOTIF__)
165 // Initialize from an included XPM
166 #define wxICON(X) wxIcon( X##_xpm )
167#else
168 // This will usually mean something on any platform
169 #define wxICON(X) wxIcon("" #X "")
170#endif // platform
171
172/* Another macro: this one is for portable creation of bitmaps. We assume that
173 under Unix bitmaps live in XPMs and under Windows they're in ressources.
174 */
175
176#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMGL__)
177 #define wxBITMAP(name) wxBitmap(#name, wxBITMAP_TYPE_RESOURCE)
178#elif defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__)
179 // Initialize from an included XPM
180 #define wxBITMAP(name) wxBitmap( (const char**) name##_xpm )
181#else // other platforms
182 #define wxBITMAP(name) wxBitmap(name##_xpm, wxBITMAP_TYPE_XPM)
183#endif // platform
184
185// ===========================================================================
186// classes
187// ===========================================================================
188
189// ---------------------------------------------------------------------------
190// wxSize
191// ---------------------------------------------------------------------------
192
193class WXDLLEXPORT wxSize
194{
195public:
196 // members are public for compatibility (don't use them directly,
197 // especially that there names were chosen very unfortunately - they should
198 // have been called width and height)
199 int x, y;
200
201 // constructors
202 wxSize() { x = y = 0; }
203 wxSize(int xx, int yy) { Set(xx, yy); }
204
205 // no copy ctor or assignment operator - the defaults are ok
206
207 bool operator==(const wxSize& sz) const { return x == sz.x && y == sz.y; }
208 bool operator!=(const wxSize& sz) const { return x != sz.x || y != sz.y; }
209
210 // FIXME are these really useful? If they're, we should have += &c as well
211 wxSize operator+(const wxSize& sz) { return wxSize(x + sz.x, y + sz.y); }
212 wxSize operator-(const wxSize& sz) { return wxSize(x - sz.x, y - sz.y); }
213
214 // accessors
215 void Set(int xx, int yy) { x = xx; y = yy; }
216 void SetWidth(int w) { x = w; }
217 void SetHeight(int h) { y = h; }
218
219 int GetWidth() const { return x; }
220 int GetHeight() const { return y; }
221
222 // compatibility
223 int GetX() const { return x; }
224 int GetY() const { return y; }
225};
226
227// ---------------------------------------------------------------------------
228// Point classes: with real or integer coordinates
229// ---------------------------------------------------------------------------
230
231class WXDLLEXPORT wxRealPoint
232{
233public:
234 double x;
235 double y;
236
237 wxRealPoint() { x = y = 0.0; };
238 wxRealPoint(double xx, double yy) { x = xx; y = yy; };
239
240 wxRealPoint operator+(const wxRealPoint& pt) const { return wxRealPoint(x + pt.x, y + pt.y); }
241 wxRealPoint operator-(const wxRealPoint& pt) const { return wxRealPoint(x - pt.x, y - pt.y); }
242
243 bool operator==(const wxRealPoint& pt) const { return x == pt.x && y == pt.y; }
244};
245
246class WXDLLEXPORT wxPoint
247{
248public:
249 int x, y;
250
251 wxPoint() { x = y = 0; };
252 wxPoint(int xx, int yy) { x = xx; y = yy; };
253
254 // no copy ctor or assignment operator - the defaults are ok
255
256 // comparison
257 bool operator==(const wxPoint& p) const { return x == p.x && y == p.y; }
258 bool operator!=(const wxPoint& p) const { return !(*this == p); }
259
260 // arithmetic operations (component wise)
261 wxPoint operator+(const wxPoint& p) const { return wxPoint(x + p.x, y + p.y); }
262 wxPoint operator-(const wxPoint& p) const { return wxPoint(x - p.x, y - p.y); }
263
264 wxPoint& operator+=(const wxPoint& p) { x += p.x; y += p.y; return *this; }
265 wxPoint& operator-=(const wxPoint& p) { x -= p.x; y -= p.y; return *this; }
266};
267
268#if WXWIN_COMPATIBILITY
269 #define wxIntPoint wxPoint
270 #define wxRectangle wxRect
271#endif // WXWIN_COMPATIBILITY
272
273// ---------------------------------------------------------------------------
274// wxRect
275// ---------------------------------------------------------------------------
276
277class WXDLLEXPORT wxRect
278{
279public:
280 wxRect() { x = y = width = height = 0; }
281 wxRect(int xx, int yy, int ww, int hh)
282 { x = xx; y = yy; width = ww; height = hh; }
283 wxRect(const wxPoint& topLeft, const wxPoint& bottomRight);
284 wxRect(const wxPoint& pos, const wxSize& size);
285
286 // default copy ctor and assignment operators ok
287
288 int GetX() const { return x; }
289 void SetX(int xx) { x = xx; }
290
291 int GetY() const { return y; }
292 void SetY(int yy) { y = yy; }
293
294 int GetWidth() const { return width; }
295 void SetWidth(int w) { width = w; }
296
297 int GetHeight() const { return height; }
298 void SetHeight(int h) { height = h; }
299
300 wxPoint GetPosition() const { return wxPoint(x, y); }
301 wxSize GetSize() const { return wxSize(width, height); }
302
303 int GetLeft() const { return x; }
304 int GetTop() const { return y; }
305 int GetBottom() const { return y + height - 1; }
306 int GetRight() const { return x + width - 1; }
307
308 void SetLeft(int left) { x = left; }
309 void SetRight(int right) { width = right - x + 1; }
310 void SetTop(int top) { y = top; }
311 void SetBottom(int bottom) { height = bottom - y + 1; }
312
313 // operations with rect
314 wxRect& Inflate(wxCoord dx, wxCoord dy);
315 wxRect& Inflate(wxCoord d) { return Inflate(d, d); }
316 wxRect Inflate(wxCoord dx, wxCoord dy) const
317 {
318 wxRect r = *this;
319 r.Inflate(dx, dy);
320 return r;
321 }
322
323 wxRect& Deflate(wxCoord dx, wxCoord dy) { return Inflate(-dx, -dy); }
324 wxRect& Deflate(wxCoord d) { return Inflate(-d); }
325 wxRect Deflate(wxCoord dx, wxCoord dy) const
326 {
327 wxRect r = *this;
328 r.Deflate(dx, dy);
329 return r;
330 }
331
332 void Offset(wxCoord dx, wxCoord dy) { x += dx; y += dy; }
333 void Offset(const wxPoint& pt) { Offset(pt.x, pt.y); }
334
335 wxRect& Intersect(const wxRect& rect);
336 wxRect Intersect(const wxRect& rect) const
337 {
338 wxRect r = *this;
339 r.Intersect(rect);
340 return r;
341 }
342
343 wxRect operator+(const wxRect& rect) const;
344 wxRect& operator+=(const wxRect& rect);
345
346 // compare rectangles
347 bool operator==(const wxRect& rect) const;
348 bool operator!=(const wxRect& rect) const { return !(*this == rect); }
349
350 // return TRUE if the point is (not strcitly) inside the rect
351 bool Inside(int x, int y) const;
352 bool Inside(const wxPoint& pt) const { return Inside(pt.x, pt.y); }
353
354 // return TRUE if the rectangles have a non empty intersection
355 bool Intersects(const wxRect& rect) const;
356
357public:
358 int x, y, width, height;
359};
360
361// ---------------------------------------------------------------------------
362// Management of pens, brushes and fonts
363// ---------------------------------------------------------------------------
364
365typedef wxInt8 wxDash;
366
367class WXDLLEXPORT wxPenList : public wxList
368{
369 DECLARE_DYNAMIC_CLASS(wxPenList)
370
371public:
372 wxPenList() { }
373 ~wxPenList();
374
375 void AddPen(wxPen *pen);
376 void RemovePen(wxPen *pen);
377 wxPen *FindOrCreatePen(const wxColour& colour, int width, int style);
378};
379
380class WXDLLEXPORT wxBrushList : public wxList
381{
382 DECLARE_DYNAMIC_CLASS(wxBrushList)
383
384public:
385 wxBrushList() { }
386 ~wxBrushList();
387
388 void AddBrush(wxBrush *brush);
389 void RemoveBrush(wxBrush *brush);
390 wxBrush *FindOrCreateBrush(const wxColour& colour, int style);
391};
392
393WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
394
395class WXDLLEXPORT wxFontList : public wxList
396{
397 DECLARE_DYNAMIC_CLASS(wxFontList)
398
399public:
400 wxFontList() { }
401 ~wxFontList();
402
403 void AddFont(wxFont *font);
404 void RemoveFont(wxFont *font);
405 wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
406 bool underline = FALSE,
407 const wxString& face = wxEmptyString,
408 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
409};
410
411class WXDLLEXPORT wxColourDatabase : public wxList
412{
413 DECLARE_CLASS(wxColourDatabase)
414
415public:
416 wxColourDatabase(int type);
417 ~wxColourDatabase() ;
418
419 // Not const because it may add a name to the database
420 wxColour *FindColour(const wxString& colour) ;
421 wxString FindName(const wxColour& colour) const;
422 void Initialize();
423#ifdef __WXPM__
424 // PM keeps its own type of colour table
425 long* m_palTable;
426 size_t m_nSize;
427#endif
428};
429
430class WXDLLEXPORT wxBitmapList : public wxList
431{
432 DECLARE_DYNAMIC_CLASS(wxBitmapList)
433
434public:
435 wxBitmapList();
436 ~wxBitmapList();
437
438 void AddBitmap(wxBitmap *bitmap);
439 void RemoveBitmap(wxBitmap *bitmap);
440};
441
442class WXDLLEXPORT wxResourceCache: public wxList
443{
444public:
445 wxResourceCache() { }
446 wxResourceCache(const unsigned int keyType) : wxList(keyType) { }
447 ~wxResourceCache();
448
449private:
450 DECLARE_DYNAMIC_CLASS(wxResourceCache)
451};
452
453// ---------------------------------------------------------------------------
454// global variables
455// ---------------------------------------------------------------------------
456
457// Lists of GDI objects
458WXDLLEXPORT_DATA(extern wxPenList*) wxThePenList;
459WXDLLEXPORT_DATA(extern wxBrushList*) wxTheBrushList;
460WXDLLEXPORT_DATA(extern wxFontList*) wxTheFontList;
461WXDLLEXPORT_DATA(extern wxBitmapList*) wxTheBitmapList;
462
463// Stock objects
464WXDLLEXPORT_DATA(extern wxFont*) wxNORMAL_FONT;
465WXDLLEXPORT_DATA(extern wxFont*) wxSMALL_FONT;
466WXDLLEXPORT_DATA(extern wxFont*) wxITALIC_FONT;
467WXDLLEXPORT_DATA(extern wxFont*) wxSWISS_FONT;
468
469WXDLLEXPORT_DATA(extern wxPen*) wxRED_PEN;
470WXDLLEXPORT_DATA(extern wxPen*) wxCYAN_PEN;
471WXDLLEXPORT_DATA(extern wxPen*) wxGREEN_PEN;
472WXDLLEXPORT_DATA(extern wxPen*) wxBLACK_PEN;
473WXDLLEXPORT_DATA(extern wxPen*) wxWHITE_PEN;
474WXDLLEXPORT_DATA(extern wxPen*) wxTRANSPARENT_PEN;
475WXDLLEXPORT_DATA(extern wxPen*) wxBLACK_DASHED_PEN;
476WXDLLEXPORT_DATA(extern wxPen*) wxGREY_PEN;
477WXDLLEXPORT_DATA(extern wxPen*) wxMEDIUM_GREY_PEN;
478WXDLLEXPORT_DATA(extern wxPen*) wxLIGHT_GREY_PEN;
479
480WXDLLEXPORT_DATA(extern wxBrush*) wxBLUE_BRUSH;
481WXDLLEXPORT_DATA(extern wxBrush*) wxGREEN_BRUSH;
482WXDLLEXPORT_DATA(extern wxBrush*) wxWHITE_BRUSH;
483WXDLLEXPORT_DATA(extern wxBrush*) wxBLACK_BRUSH;
484WXDLLEXPORT_DATA(extern wxBrush*) wxGREY_BRUSH;
485WXDLLEXPORT_DATA(extern wxBrush*) wxMEDIUM_GREY_BRUSH;
486WXDLLEXPORT_DATA(extern wxBrush*) wxLIGHT_GREY_BRUSH;
487WXDLLEXPORT_DATA(extern wxBrush*) wxTRANSPARENT_BRUSH;
488WXDLLEXPORT_DATA(extern wxBrush*) wxCYAN_BRUSH;
489WXDLLEXPORT_DATA(extern wxBrush*) wxRED_BRUSH;
490
491WXDLLEXPORT_DATA(extern wxColour*) wxBLACK;
492WXDLLEXPORT_DATA(extern wxColour*) wxWHITE;
493WXDLLEXPORT_DATA(extern wxColour*) wxRED;
494WXDLLEXPORT_DATA(extern wxColour*) wxBLUE;
495WXDLLEXPORT_DATA(extern wxColour*) wxGREEN;
496WXDLLEXPORT_DATA(extern wxColour*) wxCYAN;
497WXDLLEXPORT_DATA(extern wxColour*) wxLIGHT_GREY;
498
499// 'Null' objects
500WXDLLEXPORT_DATA(extern wxBitmap) wxNullBitmap;
501WXDLLEXPORT_DATA(extern wxIcon) wxNullIcon;
502WXDLLEXPORT_DATA(extern wxCursor) wxNullCursor;
503WXDLLEXPORT_DATA(extern wxPen) wxNullPen;
504WXDLLEXPORT_DATA(extern wxBrush) wxNullBrush;
505WXDLLEXPORT_DATA(extern wxPalette) wxNullPalette;
506WXDLLEXPORT_DATA(extern wxFont) wxNullFont;
507WXDLLEXPORT_DATA(extern wxColour) wxNullColour;
508
509// Stock cursors types
510WXDLLEXPORT_DATA(extern wxCursor*) wxSTANDARD_CURSOR;
511WXDLLEXPORT_DATA(extern wxCursor*) wxHOURGLASS_CURSOR;
512WXDLLEXPORT_DATA(extern wxCursor*) wxCROSS_CURSOR;
513
514WXDLLEXPORT_DATA(extern wxColourDatabase*) wxTheColourDatabase;
515
516WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
517
518WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize;
519WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition;
520
521// The list of objects which should be deleted
522WXDLLEXPORT_DATA(extern wxList) wxPendingDelete;
523
524// ---------------------------------------------------------------------------
525// global functions
526// ---------------------------------------------------------------------------
527
528// resource management
529extern void WXDLLEXPORT wxInitializeStockObjects();
530extern void WXDLLEXPORT wxInitializeStockLists();
531extern void WXDLLEXPORT wxDeleteStockObjects();
532extern void WXDLLEXPORT wxDeleteStockLists();
533
534// is the display colour (or monochrome)?
535extern bool WXDLLEXPORT wxColourDisplay();
536
537// Returns depth of screen
538extern int WXDLLEXPORT wxDisplayDepth();
539#define wxGetDisplayDepth wxDisplayDepth
540
541// get the display size
542extern void WXDLLEXPORT wxDisplaySize(int *width, int *height);
543extern wxSize WXDLLEXPORT wxGetDisplaySize();
544extern void WXDLLEXPORT wxDisplaySizeMM(int *width, int *height);
545extern wxSize WXDLLEXPORT wxGetDisplaySizeMM();
546
547// Get position and size of the display workarea
548extern void WXDLLEXPORT wxClientDisplayRect(int *x, int *y, int *width, int *height);
549extern wxRect WXDLLEXPORT wxGetClientDisplayRect();
550
551// set global cursor
552extern void WXDLLEXPORT wxSetCursor(const wxCursor& cursor);
553
554#endif
555 // _WX_GDICMNH__
wxWidgets (Impactor)