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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
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_MAX
127};
128
129#ifndef __WXGTK__
130 #define wxCURSOR_DEFAULT wxCURSOR_ARROW
131#endif
132
133// ---------------------------------------------------------------------------
134// macros
135// ---------------------------------------------------------------------------
136
137/* Useful macro for creating icons portably, for example:
138
139 wxIcon *icon = new wxICON(mondrian);
140
141 expands into:
142
143 wxIcon *icon = new wxIcon("mondrian"); // On wxMSW
144 wxIcon *icon = new wxIcon(mondrian_xpm); // On wxGTK
145 */
146
147#ifdef __WXMSW__
148 // Load from a resource
149 #define wxICON(X) wxIcon("" #X "")
150#elif defined(__WXPM__)
151 // Load from a resource
152 #define wxICON(X) wxIcon("" #X "")
153#elif defined(__WXGTK__)
154 // Initialize from an included XPM
155 #define wxICON(X) wxIcon( (const char**) X##_xpm )
156#elif defined(__WXMOTIF__)
157 // Initialize from an included XPM
158 #define wxICON(X) wxIcon( X##_xpm )
159#else
160 // This will usually mean something on any platform
161 #define wxICON(X) wxIcon("" #X "")
162#endif // platform
163
164/* Another macro: this one is for portable creation of bitmaps. We assume that
165 under Unix bitmaps live in XPMs and under Windows they're in ressources.
166 */
167
168#if defined(__WXMSW__) || defined(__WXPM__)
169 #define wxBITMAP(name) wxBitmap(#name, wxBITMAP_TYPE_RESOURCE)
170#elif defined(__WXGTK__) || defined(__WXMOTIF__)
171 // Initialize from an included XPM
172 #define wxBITMAP(name) wxBitmap( (const char**) name##_xpm )
173#else // other platforms
174 #define wxBITMAP(name) wxBitmap(name##_xpm, wxBITMAP_TYPE_XPM)
175#endif // platform
176
177// ===========================================================================
178// classes
179// ===========================================================================
180
181// ---------------------------------------------------------------------------
182// wxSize
183// ---------------------------------------------------------------------------
184class WXDLLEXPORT wxSize
185{
186public:
187 // members are public for compatibility (don't use them directly,
188 // especially that there names were chosen very unfortunately - they should
189 // have been called width and height)
190 int x, y;
191
192 // constructors
193 wxSize() { x = y = 0; }
194 wxSize(int xx, int yy) { Set(xx, yy); }
195
196 // no copy ctor or assignment operator - the defaults are ok
197 bool operator==(const wxSize& sz) const { return x == sz.x && y == sz.y; }
198
199 // FIXME are these really useful? If they're, we should have += &c as well
200 wxSize operator+(const wxSize& sz) { return wxSize(x + sz.x, y + sz.y); }
201 wxSize operator-(const wxSize& sz) { return wxSize(x - sz.x, y - sz.y); }
202
203 // accessors
204 void Set(int xx, int yy) { x = xx; y = yy; }
205 void SetWidth(int w) { x = w; }
206 void SetHeight(int h) { y = h; }
207
208 int GetWidth() const { return x; }
209 int GetHeight() const { return y; }
210
211 // compatibility
212 int GetX() const { return x; }
213 int GetY() const { return y; }
214};
215
216// ---------------------------------------------------------------------------
217// Point classes: with real or integer coordinates
218// ---------------------------------------------------------------------------
219
220class WXDLLEXPORT wxRealPoint
221{
222public:
223 double x;
224 double y;
225
226 wxRealPoint() { x = y = 0.0; };
227 wxRealPoint(double xx, double yy) { x = xx; y = yy; };
228
229 wxRealPoint operator+(const wxRealPoint& pt) { return wxRealPoint(x + pt.x, y + pt.y); }
230 wxRealPoint operator-(const wxRealPoint& pt) { return wxRealPoint(x - pt.x, y - pt.y); }
231
232 bool operator==(const wxRealPoint& pt) const { return x == pt.x && y == pt.y; }
233};
234
235class WXDLLEXPORT wxPoint
236{
237public:
238 int x, y;
239
240 wxPoint() { x = y = 0; };
241 wxPoint(int xx, int yy) { x = xx; y = yy; };
242
243 // no copy ctor or assignment operator - the defaults are ok
244
245 // comparison
246 bool operator==(const wxPoint& p) const { return x == p.x && y == p.y; }
247 bool operator!=(const wxPoint& p) const { return !(*this == p); }
248
249 // arithmetic operations (component wise)
250 wxPoint operator+(const wxPoint& p) { return wxPoint(x + p.x, y + p.y); }
251 wxPoint operator-(const wxPoint& p) { return wxPoint(x - p.x, y - p.y); }
252
253 wxPoint& operator+=(const wxPoint& p) { x += p.x; y += p.y; return *this; }
254 wxPoint& operator-=(const wxPoint& p) { x -= p.x; y -= p.y; return *this; }
255};
256
257#if WXWIN_COMPATIBILITY
258 #define wxIntPoint wxPoint
259 #define wxRectangle wxRect
260#endif // WXWIN_COMPATIBILITY
261
262// ---------------------------------------------------------------------------
263// wxRect
264// ---------------------------------------------------------------------------
265
266class WXDLLEXPORT wxRect
267{
268public:
269 wxRect() { x = y = width = height = 0; }
270 wxRect(int xx, int yy, int ww, int hh)
271 { x = xx; y = yy; width = ww; height = hh; }
272 wxRect(const wxPoint& topLeft, const wxPoint& bottomRight);
273 wxRect(const wxPoint& pos, const wxSize& size);
274
275 // default copy ctor and assignment operators ok
276
277 int GetX() const { return x; }
278 void SetX(int xx) { x = xx; }
279
280 int GetY() const { return y; }
281 void SetY(int yy) { y = yy; }
282
283 int GetWidth() const { return width; }
284 void SetWidth(int w) { width = w; }
285
286 int GetHeight() const { return height; }
287 void SetHeight(int h) { height = h; }
288
289 wxPoint GetPosition() const { return wxPoint(x, y); }
290 wxSize GetSize() const { return wxSize(width, height); }
291
292 int GetLeft() const { return x; }
293 int GetTop() const { return y; }
294 int GetBottom() const { return y + height - 1; }
295 int GetRight() const { return x + width - 1; }
296
297 void SetLeft(int left) { x = left; }
298 void SetRight(int right) { width = right - x + 1; }
299 void SetTop(int top) { y = top; }
300 void SetBottom(int bottom) { height = bottom - y + 1; }
301
302 void Inflate(wxCoord dx, wxCoord dy)
303 {
304 x -= dx;
305 y -= dy;
306 width += 2*dx;
307 height += 2*dy;
308 }
309
310 void Inflate(wxCoord d) { Inflate(d, d); }
311
312 bool operator==(const wxRect& rect) const;
313 bool operator!=(const wxRect& rect) const { return !(*this == rect); }
314
315 bool Inside(int cx, int cy) const;
316 wxRect operator+(const wxRect& rect) const;
317 wxRect& operator+=(const wxRect& rect);
318
319public:
320 int x, y, width, height;
321};
322
323// ---------------------------------------------------------------------------
324// Management of pens, brushes and fonts
325// ---------------------------------------------------------------------------
326
327class WXDLLEXPORT wxPenList : public wxList
328{
329 DECLARE_DYNAMIC_CLASS(wxPenList)
330
331public:
332 wxPenList() { }
333 ~wxPenList();
334
335 void AddPen(wxPen *pen);
336 void RemovePen(wxPen *pen);
337 wxPen *FindOrCreatePen(const wxColour& colour, int width, int style);
338};
339
340class WXDLLEXPORT wxBrushList : public wxList
341{
342 DECLARE_DYNAMIC_CLASS(wxBrushList)
343
344public:
345 wxBrushList() { }
346 ~wxBrushList();
347
348 void AddBrush(wxBrush *brush);
349 void RemoveBrush(wxBrush *brush);
350 wxBrush *FindOrCreateBrush(const wxColour& colour, int style);
351};
352
353WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
354
355class WXDLLEXPORT wxFontList : public wxList
356{
357 DECLARE_DYNAMIC_CLASS(wxFontList)
358
359public:
360 wxFontList() { }
361 ~wxFontList();
362
363 void AddFont(wxFont *font);
364 void RemoveFont(wxFont *font);
365 wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
366 bool underline = FALSE,
367 const wxString& face = wxEmptyString,
368 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
369};
370
371class WXDLLEXPORT wxColourDatabase : public wxList
372{
373 DECLARE_CLASS(wxColourDatabase)
374
375public:
376 wxColourDatabase(int type);
377 ~wxColourDatabase() ;
378
379 // Not const because it may add a name to the database
380 wxColour *FindColour(const wxString& colour) ;
381 wxString FindName(const wxColour& colour) const;
382 void Initialize();
383};
384
385class WXDLLEXPORT wxBitmapList : public wxList
386{
387 DECLARE_DYNAMIC_CLASS(wxBitmapList)
388
389public:
390 wxBitmapList();
391 ~wxBitmapList();
392
393 void AddBitmap(wxBitmap *bitmap);
394 void RemoveBitmap(wxBitmap *bitmap);
395};
396
397class WXDLLEXPORT wxResourceCache: public wxList
398{
399public:
400 wxResourceCache() { }
401 wxResourceCache(const unsigned int keyType) : wxList(keyType) { }
402 ~wxResourceCache();
403
404private:
405 DECLARE_DYNAMIC_CLASS(wxResourceCache)
406};
407
408// ---------------------------------------------------------------------------
409// global variables
410// ---------------------------------------------------------------------------
411
412// Lists of GDI objects
413WXDLLEXPORT_DATA(extern wxPenList*) wxThePenList;
414WXDLLEXPORT_DATA(extern wxBrushList*) wxTheBrushList;
415WXDLLEXPORT_DATA(extern wxFontList*) wxTheFontList;
416WXDLLEXPORT_DATA(extern wxBitmapList*) wxTheBitmapList;
417
418// Stock objects
419WXDLLEXPORT_DATA(extern wxFont*) wxNORMAL_FONT;
420WXDLLEXPORT_DATA(extern wxFont*) wxSMALL_FONT;
421WXDLLEXPORT_DATA(extern wxFont*) wxITALIC_FONT;
422WXDLLEXPORT_DATA(extern wxFont*) wxSWISS_FONT;
423
424WXDLLEXPORT_DATA(extern wxPen*) wxRED_PEN;
425WXDLLEXPORT_DATA(extern wxPen*) wxCYAN_PEN;
426WXDLLEXPORT_DATA(extern wxPen*) wxGREEN_PEN;
427WXDLLEXPORT_DATA(extern wxPen*) wxBLACK_PEN;
428WXDLLEXPORT_DATA(extern wxPen*) wxWHITE_PEN;
429WXDLLEXPORT_DATA(extern wxPen*) wxTRANSPARENT_PEN;
430WXDLLEXPORT_DATA(extern wxPen*) wxBLACK_DASHED_PEN;
431WXDLLEXPORT_DATA(extern wxPen*) wxGREY_PEN;
432WXDLLEXPORT_DATA(extern wxPen*) wxMEDIUM_GREY_PEN;
433WXDLLEXPORT_DATA(extern wxPen*) wxLIGHT_GREY_PEN;
434
435WXDLLEXPORT_DATA(extern wxBrush*) wxBLUE_BRUSH;
436WXDLLEXPORT_DATA(extern wxBrush*) wxGREEN_BRUSH;
437WXDLLEXPORT_DATA(extern wxBrush*) wxWHITE_BRUSH;
438WXDLLEXPORT_DATA(extern wxBrush*) wxBLACK_BRUSH;
439WXDLLEXPORT_DATA(extern wxBrush*) wxGREY_BRUSH;
440WXDLLEXPORT_DATA(extern wxBrush*) wxMEDIUM_GREY_BRUSH;
441WXDLLEXPORT_DATA(extern wxBrush*) wxLIGHT_GREY_BRUSH;
442WXDLLEXPORT_DATA(extern wxBrush*) wxTRANSPARENT_BRUSH;
443WXDLLEXPORT_DATA(extern wxBrush*) wxCYAN_BRUSH;
444WXDLLEXPORT_DATA(extern wxBrush*) wxRED_BRUSH;
445
446WXDLLEXPORT_DATA(extern wxColour*) wxBLACK;
447WXDLLEXPORT_DATA(extern wxColour*) wxWHITE;
448WXDLLEXPORT_DATA(extern wxColour*) wxRED;
449WXDLLEXPORT_DATA(extern wxColour*) wxBLUE;
450WXDLLEXPORT_DATA(extern wxColour*) wxGREEN;
451WXDLLEXPORT_DATA(extern wxColour*) wxCYAN;
452WXDLLEXPORT_DATA(extern wxColour*) wxLIGHT_GREY;
453
454// 'Null' objects
455WXDLLEXPORT_DATA(extern wxBitmap) wxNullBitmap;
456WXDLLEXPORT_DATA(extern wxIcon) wxNullIcon;
457WXDLLEXPORT_DATA(extern wxCursor) wxNullCursor;
458WXDLLEXPORT_DATA(extern wxPen) wxNullPen;
459WXDLLEXPORT_DATA(extern wxBrush) wxNullBrush;
460WXDLLEXPORT_DATA(extern wxPalette) wxNullPalette;
461WXDLLEXPORT_DATA(extern wxFont) wxNullFont;
462WXDLLEXPORT_DATA(extern wxColour) wxNullColour;
463
464// Stock cursors types
465WXDLLEXPORT_DATA(extern wxCursor*) wxSTANDARD_CURSOR;
466WXDLLEXPORT_DATA(extern wxCursor*) wxHOURGLASS_CURSOR;
467WXDLLEXPORT_DATA(extern wxCursor*) wxCROSS_CURSOR;
468
469WXDLLEXPORT_DATA(extern wxColourDatabase*) wxTheColourDatabase;
470
471WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
472
473WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize;
474WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition;
475
476// The list of objects which should be deleted
477WXDLLEXPORT_DATA(extern wxList) wxPendingDelete;
478
479// ---------------------------------------------------------------------------
480// global functions
481// ---------------------------------------------------------------------------
482
483// resource management
484extern void WXDLLEXPORT wxInitializeStockObjects();
485extern void WXDLLEXPORT wxInitializeStockLists();
486extern void WXDLLEXPORT wxDeleteStockObjects();
487extern void WXDLLEXPORT wxDeleteStockLists();
488
489// is the display colour (or monochrome)?
490extern bool WXDLLEXPORT wxColourDisplay();
491
492// Returns depth of screen
493extern int WXDLLEXPORT wxDisplayDepth();
494#define wxGetDisplayDepth wxDisplayDepth
495
496// get the diaplay size
497extern void WXDLLEXPORT wxDisplaySize(int *width, int *height);
498extern wxSize WXDLLEXPORT wxGetDisplaySize();
499
500// set global cursor
501extern void WXDLLEXPORT wxSetCursor(const wxCursor& cursor);
502
503#endif
504 // _WX_GDICMNH__
wxWidgets (Impactor)