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0c5d3e1c VZ |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: wx/font.h | |
3 | // Purpose: wxFontBase class: the interface of wxFont | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 20.09.99 | |
7 | // RCS-ID: $Id$ | |
77ffb593 | 8 | // Copyright: (c) wxWidgets team |
65571936 | 9 | // Licence: wxWindows licence |
0c5d3e1c VZ |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
34138703 JS |
12 | #ifndef _WX_FONT_H_BASE_ |
13 | #define _WX_FONT_H_BASE_ | |
c801d85f | 14 | |
0c5d3e1c VZ |
15 | // ---------------------------------------------------------------------------- |
16 | // headers | |
17 | // ---------------------------------------------------------------------------- | |
18 | ||
19 | #include "wx/defs.h" // for wxDEFAULT &c | |
f6bcfd97 | 20 | #include "wx/fontenc.h" // the font encoding constants |
0c5d3e1c | 21 | #include "wx/gdiobj.h" // the base class |
9d7a8e4a | 22 | #include "wx/gdicmn.h" // for wxGDIObjListBase |
0c5d3e1c VZ |
23 | |
24 | // ---------------------------------------------------------------------------- | |
25 | // forward declarations | |
26 | // ---------------------------------------------------------------------------- | |
27 | ||
b5dbe15d | 28 | class WXDLLIMPEXP_FWD_CORE wxFont; |
0c5d3e1c VZ |
29 | |
30 | // ---------------------------------------------------------------------------- | |
31 | // font constants | |
32 | // ---------------------------------------------------------------------------- | |
33 | ||
409d5a58 VZ |
34 | // standard font families: these may be used only for the font creation, it |
35 | // doesn't make sense to query an existing font for its font family as, | |
36 | // especially if the font had been created from a native font description, it | |
37 | // may be unknown | |
0c5d3e1c VZ |
38 | enum wxFontFamily |
39 | { | |
40 | wxFONTFAMILY_DEFAULT = wxDEFAULT, | |
41 | wxFONTFAMILY_DECORATIVE = wxDECORATIVE, | |
42 | wxFONTFAMILY_ROMAN = wxROMAN, | |
43 | wxFONTFAMILY_SCRIPT = wxSCRIPT, | |
44 | wxFONTFAMILY_SWISS = wxSWISS, | |
45 | wxFONTFAMILY_MODERN = wxMODERN, | |
46 | wxFONTFAMILY_TELETYPE = wxTELETYPE, | |
409d5a58 VZ |
47 | wxFONTFAMILY_MAX, |
48 | wxFONTFAMILY_UNKNOWN = wxFONTFAMILY_MAX | |
0c5d3e1c VZ |
49 | }; |
50 | ||
51 | // font styles | |
52 | enum wxFontStyle | |
53 | { | |
54 | wxFONTSTYLE_NORMAL = wxNORMAL, | |
55 | wxFONTSTYLE_ITALIC = wxITALIC, | |
56 | wxFONTSTYLE_SLANT = wxSLANT, | |
57 | wxFONTSTYLE_MAX | |
58 | }; | |
59 | ||
60 | // font weights | |
61 | enum wxFontWeight | |
62 | { | |
63 | wxFONTWEIGHT_NORMAL = wxNORMAL, | |
64 | wxFONTWEIGHT_LIGHT = wxLIGHT, | |
65 | wxFONTWEIGHT_BOLD = wxBOLD, | |
66 | wxFONTWEIGHT_MAX | |
67 | }; | |
68 | ||
19da7aaa VZ |
69 | // Symbolic font sizes as defined in CSS specification. |
70 | enum wxFontSymbolicSize | |
71 | { | |
72 | wxFONTSIZE_XX_SMALL = -3, | |
73 | wxFONTSIZE_X_SMALL, | |
74 | wxFONTSIZE_SMALL, | |
75 | wxFONTSIZE_MEDIUM, | |
76 | wxFONTSIZE_LARGE, | |
77 | wxFONTSIZE_X_LARGE, | |
78 | wxFONTSIZE_XX_LARGE | |
79 | }; | |
80 | ||
01cb1c26 | 81 | // the font flag bits for the new font ctor accepting one combined flags word |
0b70c946 | 82 | enum wxFontFlag |
01cb1c26 VZ |
83 | { |
84 | // no special flags: font with default weight/slant/anti-aliasing | |
85 | wxFONTFLAG_DEFAULT = 0, | |
86 | ||
87 | // slant flags (default: no slant) | |
88 | wxFONTFLAG_ITALIC = 1 << 0, | |
89 | wxFONTFLAG_SLANT = 1 << 1, | |
90 | ||
91 | // weight flags (default: medium) | |
92 | wxFONTFLAG_LIGHT = 1 << 2, | |
93 | wxFONTFLAG_BOLD = 1 << 3, | |
94 | ||
95 | // anti-aliasing flag: force on or off (default: the current system default) | |
96 | wxFONTFLAG_ANTIALIASED = 1 << 4, | |
97 | wxFONTFLAG_NOT_ANTIALIASED = 1 << 5, | |
98 | ||
99 | // underlined/strikethrough flags (default: no lines) | |
100 | wxFONTFLAG_UNDERLINED = 1 << 6, | |
101 | wxFONTFLAG_STRIKETHROUGH = 1 << 7, | |
102 | ||
103 | // the mask of all currently used flags | |
104 | wxFONTFLAG_MASK = wxFONTFLAG_ITALIC | | |
105 | wxFONTFLAG_SLANT | | |
106 | wxFONTFLAG_LIGHT | | |
107 | wxFONTFLAG_BOLD | | |
108 | wxFONTFLAG_ANTIALIASED | | |
109 | wxFONTFLAG_NOT_ANTIALIASED | | |
110 | wxFONTFLAG_UNDERLINED | | |
111 | wxFONTFLAG_STRIKETHROUGH | |
112 | }; | |
113 | ||
0c5d3e1c VZ |
114 | // ---------------------------------------------------------------------------- |
115 | // wxFontBase represents a font object | |
116 | // ---------------------------------------------------------------------------- | |
117 | ||
b5dbe15d | 118 | class WXDLLIMPEXP_FWD_CORE wxNativeFontInfo; |
4d85bcd1 | 119 | |
53a2db12 | 120 | class WXDLLIMPEXP_CORE wxFontBase : public wxGDIObject |
0c5d3e1c VZ |
121 | { |
122 | public: | |
b5791cc7 FM |
123 | /* |
124 | derived classes should provide the following ctors: | |
03647350 | 125 | |
b5791cc7 FM |
126 | wxFont(); |
127 | wxFont(const wxString& nativeFontInfoString); | |
128 | wxFont(const wxNativeFontInfo& info); | |
129 | wxFont(int size, | |
130 | wxFontFamily family, | |
131 | wxFontStyle style, | |
132 | wxFontWeight weight, | |
133 | bool underlined = false, | |
134 | const wxString& face = wxEmptyString, | |
135 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); | |
136 | wxFont(const wxSize& pixelSize, | |
137 | wxFontFamily family, | |
138 | wxFontStyle style, | |
139 | wxFontWeight weight, | |
140 | bool underlined = false, | |
141 | const wxString& face = wxEmptyString, | |
142 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); | |
143 | */ | |
03647350 | 144 | |
0c5d3e1c | 145 | // creator function |
799ea011 | 146 | virtual ~wxFontBase(); |
7826e2dd | 147 | |
0c14b6c3 FM |
148 | |
149 | #if FUTURE_WXWIN_COMPATIBILITY_3_0 | |
7826e2dd | 150 | // from the font components |
0c5d3e1c VZ |
151 | static wxFont *New( |
152 | int pointSize, // size of the font in points | |
153 | int family, // see wxFontFamily enum | |
154 | int style, // see wxFontStyle enum | |
155 | int weight, // see wxFontWeight enum | |
a62848fd | 156 | bool underlined = false, // not underlined by default |
0c5d3e1c | 157 | const wxString& face = wxEmptyString, // facename |
0c14b6c3 FM |
158 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT) // ISO8859-X, ... |
159 | { return New(pointSize, (wxFontFamily)family, (wxFontStyle)style, | |
160 | (wxFontWeight)weight, underlined, face, encoding); } | |
01cb1c26 | 161 | |
544229d1 VZ |
162 | // from the font components |
163 | static wxFont *New( | |
164 | const wxSize& pixelSize, // size of the font in pixels | |
165 | int family, // see wxFontFamily enum | |
166 | int style, // see wxFontStyle enum | |
167 | int weight, // see wxFontWeight enum | |
4055ed82 | 168 | bool underlined = false, // not underlined by default |
544229d1 | 169 | const wxString& face = wxEmptyString, // facename |
0c14b6c3 FM |
170 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT) // ISO8859-X, ... |
171 | { return New(pixelSize, (wxFontFamily)family, (wxFontStyle)style, | |
172 | (wxFontWeight)weight, underlined, face, encoding); } | |
173 | #endif | |
174 | ||
175 | // from the font components | |
176 | static wxFont *New( | |
177 | int pointSize, // size of the font in points | |
178 | wxFontFamily family, // see wxFontFamily enum | |
179 | wxFontStyle style, // see wxFontStyle enum | |
180 | wxFontWeight weight, // see wxFontWeight enum | |
181 | bool underlined = false, // not underlined by default | |
182 | const wxString& face = wxEmptyString, // facename | |
544229d1 VZ |
183 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ... |
184 | ||
0c14b6c3 FM |
185 | // from the font components |
186 | static wxFont *New( | |
187 | const wxSize& pixelSize, // size of the font in pixels | |
188 | wxFontFamily family, // see wxFontFamily enum | |
189 | wxFontStyle style, // see wxFontStyle enum | |
190 | wxFontWeight weight, // see wxFontWeight enum | |
191 | bool underlined = false, // not underlined by default | |
192 | const wxString& face = wxEmptyString, // facename | |
193 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ... | |
194 | ||
195 | // from the font components but using the font flags instead of separate | |
196 | // parameters for each flag | |
197 | static wxFont *New(int pointSize, | |
198 | wxFontFamily family, | |
199 | int flags = wxFONTFLAG_DEFAULT, | |
200 | const wxString& face = wxEmptyString, | |
201 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); | |
202 | ||
203 | ||
544229d1 VZ |
204 | // from the font components but using the font flags instead of separate |
205 | // parameters for each flag | |
206 | static wxFont *New(const wxSize& pixelSize, | |
207 | wxFontFamily family, | |
208 | int flags = wxFONTFLAG_DEFAULT, | |
209 | const wxString& face = wxEmptyString, | |
210 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); | |
211 | ||
7826e2dd VZ |
212 | // from the (opaque) native font description object |
213 | static wxFont *New(const wxNativeFontInfo& nativeFontDesc); | |
214 | ||
215 | // from the string representation of wxNativeFontInfo | |
216 | static wxFont *New(const wxString& strNativeFontDesc); | |
0c5d3e1c | 217 | |
0c5d3e1c | 218 | // comparison |
8f884a0d VZ |
219 | bool operator==(const wxFont& font) const; |
220 | bool operator!=(const wxFont& font) const { return !(*this == font); } | |
0c5d3e1c VZ |
221 | |
222 | // accessors: get the font characteristics | |
223 | virtual int GetPointSize() const = 0; | |
544229d1 VZ |
224 | virtual wxSize GetPixelSize() const; |
225 | virtual bool IsUsingSizeInPixels() const; | |
59b7da02 | 226 | wxFontFamily GetFamily() const; |
0c14b6c3 FM |
227 | virtual wxFontStyle GetStyle() const = 0; |
228 | virtual wxFontWeight GetWeight() const = 0; | |
0c5d3e1c VZ |
229 | virtual bool GetUnderlined() const = 0; |
230 | virtual wxString GetFaceName() const = 0; | |
231 | virtual wxFontEncoding GetEncoding() const = 0; | |
3bf5a59b | 232 | virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0; |
ab5fe833 | 233 | |
53f6aab7 VZ |
234 | virtual bool IsFixedWidth() const; |
235 | ||
7826e2dd | 236 | wxString GetNativeFontInfoDesc() const; |
ab5fe833 | 237 | wxString GetNativeFontInfoUserDesc() const; |
0c5d3e1c VZ |
238 | |
239 | // change the font characteristics | |
240 | virtual void SetPointSize( int pointSize ) = 0; | |
544229d1 | 241 | virtual void SetPixelSize( const wxSize& pixelSize ); |
0c14b6c3 FM |
242 | virtual void SetFamily( wxFontFamily family ) = 0; |
243 | virtual void SetStyle( wxFontStyle style ) = 0; | |
244 | virtual void SetWeight( wxFontWeight weight ) = 0; | |
245 | ||
0c5d3e1c VZ |
246 | virtual void SetUnderlined( bool underlined ) = 0; |
247 | virtual void SetEncoding(wxFontEncoding encoding) = 0; | |
85ab460e | 248 | virtual bool SetFaceName( const wxString& faceName ); |
9045ad9d VZ |
249 | void SetNativeFontInfo(const wxNativeFontInfo& info) |
250 | { DoSetNativeFontInfo(info); } | |
ab5fe833 | 251 | |
85ab460e VZ |
252 | bool SetNativeFontInfo(const wxString& info); |
253 | bool SetNativeFontInfoUserDesc(const wxString& info); | |
7826e2dd | 254 | |
19da7aaa VZ |
255 | // Symbolic font sizes support: set the font size to "large" or "very |
256 | // small" either absolutely (i.e. compared to the default font size) or | |
257 | // relatively to the given font size. | |
258 | void SetSymbolicSize(wxFontSymbolicSize size); | |
259 | void SetSymbolicSizeRelativeTo(wxFontSymbolicSize size, int base) | |
260 | { | |
261 | SetPointSize(AdjustToSymbolicSize(size, base)); | |
262 | } | |
263 | ||
264 | // Adjust the base size in points according to symbolic size. | |
265 | static int AdjustToSymbolicSize(wxFontSymbolicSize size, int base); | |
266 | ||
267 | ||
0c5d3e1c VZ |
268 | // translate the fonts into human-readable string (i.e. GetStyleString() |
269 | // will return "wxITALIC" for an italic font, ...) | |
270 | wxString GetFamilyString() const; | |
271 | wxString GetStyleString() const; | |
272 | wxString GetWeightString() const; | |
273 | ||
274 | // the default encoding is used for creating all fonts with default | |
275 | // encoding parameter | |
cafbf6fb VZ |
276 | static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; } |
277 | static void SetDefaultEncoding(wxFontEncoding encoding); | |
0c5d3e1c | 278 | |
8462a84b | 279 | // this doesn't do anything and is kept for compatibility only |
7bc57fd9 | 280 | #if WXWIN_COMPATIBILITY_2_8 |
8462a84b VZ |
281 | wxDEPRECATED_INLINE(void SetNoAntiAliasing(bool no = true), wxUnusedVar(no);); |
282 | wxDEPRECATED_INLINE(bool GetNoAntiAliasing() const, return false;) | |
283 | #endif // WXWIN_COMPATIBILITY_2_8 | |
284 | ||
0c5d3e1c | 285 | protected: |
9045ad9d VZ |
286 | // the function called by both overloads of SetNativeFontInfo() |
287 | virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info); | |
288 | ||
59b7da02 VZ |
289 | // The function called by public GetFamily(): it can return |
290 | // wxFONTFAMILY_UNKNOWN unlike the public method (see comment there). | |
291 | virtual wxFontFamily DoGetFamily() const = 0; | |
292 | ||
0c5d3e1c VZ |
293 | private: |
294 | // the currently default encoding: by default, it's the default system | |
295 | // encoding, but may be changed by the application using | |
296 | // SetDefaultEncoding() to make all subsequent fonts created without | |
3103e8a9 | 297 | // specifying encoding parameter using this encoding |
0c5d3e1c VZ |
298 | static wxFontEncoding ms_encodingDefault; |
299 | }; | |
300 | ||
fc9361e3 VZ |
301 | // wxFontBase <-> wxString utilities, used by wxConfig |
302 | WXDLLIMPEXP_CORE wxString wxToString(const wxFontBase& font); | |
303 | WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font); | |
304 | ||
305 | ||
0c14b6c3 | 306 | #if FUTURE_WXWIN_COMPATIBILITY_3_0 |
f76c0758 | 307 | #define wxDECLARE_FONT_COMPAT_SETTER \ |
0c14b6c3 FM |
308 | wxDEPRECATED_FUTURE( void SetFamily(int family) ) \ |
309 | { SetFamily((wxFontFamily)family); } \ | |
310 | wxDEPRECATED_FUTURE( void SetStyle(int style) ) \ | |
311 | { SetStyle((wxFontStyle)style); } \ | |
312 | wxDEPRECATED_FUTURE( void SetWeight(int weight) ) \ | |
313 | { SetWeight((wxFontWeight)weight); } \ | |
314 | wxDEPRECATED_FUTURE( void SetFamily(wxDeprecatedGUIConstants family) ) \ | |
315 | { SetFamily((wxFontFamily)family); } \ | |
316 | wxDEPRECATED_FUTURE( void SetStyle(wxDeprecatedGUIConstants style) ) \ | |
317 | { SetStyle((wxFontStyle)style); } \ | |
318 | wxDEPRECATED_FUTURE( void SetWeight(wxDeprecatedGUIConstants weight) ) \ | |
319 | { SetWeight((wxFontWeight)weight); } | |
320 | #else | |
f76c0758 | 321 | #define wxDECLARE_FONT_COMPAT_SETTER /*empty*/ |
0c14b6c3 | 322 | #endif |
fc9361e3 | 323 | |
f76c0758 VZ |
324 | // this macro must be used in all derived wxFont classes declarations |
325 | #define wxDECLARE_COMMON_FONT_METHODS() \ | |
326 | wxDECLARE_FONT_COMPAT_SETTER \ | |
327 | \ | |
6e7d2550 VZ |
328 | /* functions for modifying font in place */ \ |
329 | wxFont& MakeBold(); \ | |
330 | wxFont& MakeItalic(); \ | |
801423ee | 331 | wxFont& MakeUnderlined(); \ |
6e7d2550 VZ |
332 | wxFont& MakeLarger() { return Scale(1.2f); } \ |
333 | wxFont& MakeSmaller() { return Scale(1/1.2f); } \ | |
334 | wxFont& Scale(float x); \ | |
f76c0758 | 335 | /* functions for creating fonts based on this one */ \ |
6e7d2550 VZ |
336 | wxFont Bold() const; \ |
337 | wxFont Italic() const; \ | |
801423ee | 338 | wxFont Underlined() const; \ |
6e7d2550 VZ |
339 | wxFont Larger() const { return Scaled(1.2f); } \ |
340 | wxFont Smaller() const { return Scaled(1/1.2f); } \ | |
341 | wxFont Scaled(float x) const | |
f76c0758 | 342 | |
0c5d3e1c | 343 | // include the real class declaration |
bd362275 | 344 | #if defined(__WXMSW__) |
0c5d3e1c | 345 | #include "wx/msw/font.h" |
2049ba38 | 346 | #elif defined(__WXMOTIF__) |
0c5d3e1c | 347 | #include "wx/motif/font.h" |
1be7a35c | 348 | #elif defined(__WXGTK20__) |
0c5d3e1c | 349 | #include "wx/gtk/font.h" |
1be7a35c MR |
350 | #elif defined(__WXGTK__) |
351 | #include "wx/gtk1/font.h" | |
83df96d6 JS |
352 | #elif defined(__WXX11__) |
353 | #include "wx/x11/font.h" | |
b3c86150 VS |
354 | #elif defined(__WXDFB__) |
355 | #include "wx/dfb/font.h" | |
34138703 | 356 | #elif defined(__WXMAC__) |
ef0e9220 | 357 | #include "wx/osx/font.h" |
e64df9bc DE |
358 | #elif defined(__WXCOCOA__) |
359 | #include "wx/cocoa/font.h" | |
1777b9bb | 360 | #elif defined(__WXPM__) |
0c5d3e1c | 361 | #include "wx/os2/font.h" |
c801d85f KB |
362 | #endif |
363 | ||
82cddbd9 FM |
364 | class WXDLLIMPEXP_CORE wxFontList: public wxGDIObjListBase |
365 | { | |
366 | public: | |
367 | wxFont *FindOrCreateFont(int pointSize, | |
368 | wxFontFamily family, | |
369 | wxFontStyle style, | |
370 | wxFontWeight weight, | |
371 | bool underline = false, | |
372 | const wxString& face = wxEmptyString, | |
373 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); | |
020eeaa8 FM |
374 | |
375 | #if FUTURE_WXWIN_COMPATIBILITY_3_0 | |
376 | wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight, | |
377 | bool underline = false, | |
378 | const wxString& face = wxEmptyString, | |
379 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT) | |
380 | { return FindOrCreateFont(pointSize, (wxFontFamily)family, (wxFontStyle)style, | |
381 | (wxFontWeight)weight, underline, face, encoding); } | |
382 | #endif | |
383 | ||
82cddbd9 FM |
384 | #if WXWIN_COMPATIBILITY_2_6 |
385 | wxDEPRECATED( void AddFont(wxFont*) ); | |
386 | wxDEPRECATED( void RemoveFont(wxFont*) ); | |
387 | #endif | |
388 | }; | |
389 | ||
53a2db12 | 390 | extern WXDLLIMPEXP_DATA_CORE(wxFontList*) wxTheFontList; |
82cddbd9 | 391 | |
0c14b6c3 FM |
392 | |
393 | // provide comparison operators to allow code such as | |
394 | // | |
395 | // if ( font.GetStyle() == wxFONTSTYLE_SLANT ) | |
396 | // | |
397 | // to compile without warnings which it would otherwise provoke from some | |
398 | // compilers as it compares elements of different enums | |
399 | #if FUTURE_WXWIN_COMPATIBILITY_3_0 | |
400 | ||
25859335 VZ |
401 | // Unfortunately some compilers have ambiguity issues when enum comparisons are |
402 | // overloaded so we have to disable the overloads in this case, see | |
403 | // wxCOMPILER_NO_OVERLOAD_ON_ENUM definition in wx/platform.h for more details. | |
404 | #ifndef wxCOMPILER_NO_OVERLOAD_ON_ENUM | |
405 | ||
0c14b6c3 FM |
406 | inline bool operator==(wxFontFamily s, wxDeprecatedGUIConstants t) |
407 | { return static_cast<int>(s) == static_cast<int>(t); } | |
408 | inline bool operator!=(wxFontFamily s, wxDeprecatedGUIConstants t) | |
409 | { return !(s == t); } | |
410 | inline bool operator==(wxFontStyle s, wxDeprecatedGUIConstants t) | |
411 | { return static_cast<int>(s) == static_cast<int>(t); } | |
412 | inline bool operator!=(wxFontStyle s, wxDeprecatedGUIConstants t) | |
413 | { return !(s == t); } | |
414 | inline bool operator==(wxFontWeight s, wxDeprecatedGUIConstants t) | |
415 | { return static_cast<int>(s) == static_cast<int>(t); } | |
416 | inline bool operator!=(wxFontWeight s, wxDeprecatedGUIConstants t) | |
417 | { return !(s == t); } | |
418 | ||
25859335 VZ |
419 | #endif // // wxCOMPILER_NO_OVERLOAD_ON_ENUM |
420 | ||
0c14b6c3 FM |
421 | #endif // FUTURE_WXWIN_COMPATIBILITY_3_0 |
422 | ||
c801d85f | 423 | #endif |
34138703 | 424 | // _WX_FONT_H_BASE_ |