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