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[wxWidgets.git] / include / wx / font.h
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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:
114 // creator function
799ea011 115 virtual ~wxFontBase();
7826e2dd 116
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117
118#if FUTURE_WXWIN_COMPATIBILITY_3_0
7826e2dd 119 // from the font components
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120 static wxFont *New(
121 int pointSize, // size of the font in points
122 int family, // see wxFontFamily enum
123 int style, // see wxFontStyle enum
124 int weight, // see wxFontWeight enum
a62848fd 125 bool underlined = false, // not underlined by default
0c5d3e1c 126 const wxString& face = wxEmptyString, // facename
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127 wxFontEncoding encoding = wxFONTENCODING_DEFAULT) // ISO8859-X, ...
128 { return New(pointSize, (wxFontFamily)family, (wxFontStyle)style,
129 (wxFontWeight)weight, underlined, face, encoding); }
01cb1c26 130
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131 // from the font components
132 static wxFont *New(
133 const wxSize& pixelSize, // size of the font in pixels
134 int family, // see wxFontFamily enum
135 int style, // see wxFontStyle enum
136 int weight, // see wxFontWeight enum
4055ed82 137 bool underlined = false, // not underlined by default
544229d1 138 const wxString& face = wxEmptyString, // facename
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139 wxFontEncoding encoding = wxFONTENCODING_DEFAULT) // ISO8859-X, ...
140 { return New(pixelSize, (wxFontFamily)family, (wxFontStyle)style,
141 (wxFontWeight)weight, underlined, face, encoding); }
142#endif
143
144 // from the font components
145 static wxFont *New(
146 int pointSize, // size of the font in points
147 wxFontFamily family, // see wxFontFamily enum
148 wxFontStyle style, // see wxFontStyle enum
149 wxFontWeight weight, // see wxFontWeight enum
150 bool underlined = false, // not underlined by default
151 const wxString& face = wxEmptyString, // facename
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152 wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
153
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154 // from the font components
155 static wxFont *New(
156 const wxSize& pixelSize, // size of the font in pixels
157 wxFontFamily family, // see wxFontFamily enum
158 wxFontStyle style, // see wxFontStyle enum
159 wxFontWeight weight, // see wxFontWeight enum
160 bool underlined = false, // not underlined by default
161 const wxString& face = wxEmptyString, // facename
162 wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
163
164 // from the font components but using the font flags instead of separate
165 // parameters for each flag
166 static wxFont *New(int pointSize,
167 wxFontFamily family,
168 int flags = wxFONTFLAG_DEFAULT,
169 const wxString& face = wxEmptyString,
170 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
171
172
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173 // from the font components but using the font flags instead of separate
174 // parameters for each flag
175 static wxFont *New(const wxSize& pixelSize,
176 wxFontFamily family,
177 int flags = wxFONTFLAG_DEFAULT,
178 const wxString& face = wxEmptyString,
179 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
180
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181 // from the (opaque) native font description object
182 static wxFont *New(const wxNativeFontInfo& nativeFontDesc);
183
184 // from the string representation of wxNativeFontInfo
185 static wxFont *New(const wxString& strNativeFontDesc);
0c5d3e1c 186
0c5d3e1c 187 // comparison
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188 bool operator==(const wxFont& font) const;
189 bool operator!=(const wxFont& font) const { return !(*this == font); }
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190
191 // accessors: get the font characteristics
192 virtual int GetPointSize() const = 0;
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193 virtual wxSize GetPixelSize() const;
194 virtual bool IsUsingSizeInPixels() const;
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195 virtual wxFontFamily GetFamily() const = 0;
196 virtual wxFontStyle GetStyle() const = 0;
197 virtual wxFontWeight GetWeight() const = 0;
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198 virtual bool GetUnderlined() const = 0;
199 virtual wxString GetFaceName() const = 0;
200 virtual wxFontEncoding GetEncoding() const = 0;
3bf5a59b 201 virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0;
ab5fe833 202
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203 virtual bool IsFixedWidth() const;
204
7826e2dd 205 wxString GetNativeFontInfoDesc() const;
ab5fe833 206 wxString GetNativeFontInfoUserDesc() const;
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207
208 // change the font characteristics
209 virtual void SetPointSize( int pointSize ) = 0;
544229d1 210 virtual void SetPixelSize( const wxSize& pixelSize );
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211 virtual void SetFamily( wxFontFamily family ) = 0;
212 virtual void SetStyle( wxFontStyle style ) = 0;
213 virtual void SetWeight( wxFontWeight weight ) = 0;
214
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215 virtual void SetUnderlined( bool underlined ) = 0;
216 virtual void SetEncoding(wxFontEncoding encoding) = 0;
85ab460e 217 virtual bool SetFaceName( const wxString& faceName );
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218 void SetNativeFontInfo(const wxNativeFontInfo& info)
219 { DoSetNativeFontInfo(info); }
ab5fe833 220
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221 bool SetNativeFontInfo(const wxString& info);
222 bool SetNativeFontInfoUserDesc(const wxString& info);
7826e2dd 223
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224 // translate the fonts into human-readable string (i.e. GetStyleString()
225 // will return "wxITALIC" for an italic font, ...)
226 wxString GetFamilyString() const;
227 wxString GetStyleString() const;
228 wxString GetWeightString() const;
229
2b5f62a0 230 // Unofficial API, don't use
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231 virtual void SetNoAntiAliasing( bool WXUNUSED(no) = true ) { }
232 virtual bool GetNoAntiAliasing() const { return false; }
2b5f62a0 233
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234 // the default encoding is used for creating all fonts with default
235 // encoding parameter
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236 static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; }
237 static void SetDefaultEncoding(wxFontEncoding encoding);
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238
239protected:
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240 // the function called by both overloads of SetNativeFontInfo()
241 virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info);
242
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243private:
244 // the currently default encoding: by default, it's the default system
245 // encoding, but may be changed by the application using
246 // SetDefaultEncoding() to make all subsequent fonts created without
3103e8a9 247 // specifying encoding parameter using this encoding
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248 static wxFontEncoding ms_encodingDefault;
249};
250
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251// wxFontBase <-> wxString utilities, used by wxConfig
252WXDLLIMPEXP_CORE wxString wxToString(const wxFontBase& font);
253WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font);
254
255
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256#if FUTURE_WXWIN_COMPATIBILITY_3_0
257#define WXDECLARE_COMPAT_SETTERS \
258 wxDEPRECATED_FUTURE( void SetFamily(int family) ) \
259 { SetFamily((wxFontFamily)family); } \
260 wxDEPRECATED_FUTURE( void SetStyle(int style) ) \
261 { SetStyle((wxFontStyle)style); } \
262 wxDEPRECATED_FUTURE( void SetWeight(int weight) ) \
263 { SetWeight((wxFontWeight)weight); } \
264 wxDEPRECATED_FUTURE( void SetFamily(wxDeprecatedGUIConstants family) ) \
265 { SetFamily((wxFontFamily)family); } \
266 wxDEPRECATED_FUTURE( void SetStyle(wxDeprecatedGUIConstants style) ) \
267 { SetStyle((wxFontStyle)style); } \
268 wxDEPRECATED_FUTURE( void SetWeight(wxDeprecatedGUIConstants weight) ) \
269 { SetWeight((wxFontWeight)weight); }
270#else
271#define WXDECLARE_COMPAT_SETTERS /*empty*/
272#endif
fc9361e3 273
0c5d3e1c 274// include the real class declaration
4055ed82 275#if defined(__WXPALMOS__)
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276 #include "wx/palmos/font.h"
277#elif defined(__WXMSW__)
0c5d3e1c 278 #include "wx/msw/font.h"
2049ba38 279#elif defined(__WXMOTIF__)
0c5d3e1c 280 #include "wx/motif/font.h"
1be7a35c 281#elif defined(__WXGTK20__)
0c5d3e1c 282 #include "wx/gtk/font.h"
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283#elif defined(__WXGTK__)
284 #include "wx/gtk1/font.h"
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285#elif defined(__WXX11__)
286 #include "wx/x11/font.h"
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287#elif defined(__WXMGL__)
288 #include "wx/mgl/font.h"
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289#elif defined(__WXDFB__)
290 #include "wx/dfb/font.h"
34138703 291#elif defined(__WXMAC__)
ef0e9220 292 #include "wx/osx/font.h"
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293#elif defined(__WXCOCOA__)
294 #include "wx/cocoa/font.h"
1777b9bb 295#elif defined(__WXPM__)
0c5d3e1c 296 #include "wx/os2/font.h"
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297#endif
298
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299class WXDLLIMPEXP_CORE wxFontList: public wxGDIObjListBase
300{
301public:
302 wxFont *FindOrCreateFont(int pointSize,
303 wxFontFamily family,
304 wxFontStyle style,
305 wxFontWeight weight,
306 bool underline = false,
307 const wxString& face = wxEmptyString,
308 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
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309
310#if FUTURE_WXWIN_COMPATIBILITY_3_0
311 wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
312 bool underline = false,
313 const wxString& face = wxEmptyString,
314 wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
315 { return FindOrCreateFont(pointSize, (wxFontFamily)family, (wxFontStyle)style,
316 (wxFontWeight)weight, underline, face, encoding); }
317#endif
318
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319#if WXWIN_COMPATIBILITY_2_6
320 wxDEPRECATED( void AddFont(wxFont*) );
321 wxDEPRECATED( void RemoveFont(wxFont*) );
322#endif
323};
324
53a2db12 325extern WXDLLIMPEXP_DATA_CORE(wxFontList*) wxTheFontList;
82cddbd9 326
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327
328// provide comparison operators to allow code such as
329//
330// if ( font.GetStyle() == wxFONTSTYLE_SLANT )
331//
332// to compile without warnings which it would otherwise provoke from some
333// compilers as it compares elements of different enums
334#if FUTURE_WXWIN_COMPATIBILITY_3_0
335
336inline bool operator==(wxFontFamily s, wxDeprecatedGUIConstants t)
337{ return static_cast<int>(s) == static_cast<int>(t); }
338inline bool operator!=(wxFontFamily s, wxDeprecatedGUIConstants t)
339{ return !(s == t); }
340inline bool operator==(wxFontStyle s, wxDeprecatedGUIConstants t)
341{ return static_cast<int>(s) == static_cast<int>(t); }
342inline bool operator!=(wxFontStyle s, wxDeprecatedGUIConstants t)
343{ return !(s == t); }
344inline bool operator==(wxFontWeight s, wxDeprecatedGUIConstants t)
345{ return static_cast<int>(s) == static_cast<int>(t); }
346inline bool operator!=(wxFontWeight s, wxDeprecatedGUIConstants t)
347{ return !(s == t); }
348
349#endif // FUTURE_WXWIN_COMPATIBILITY_3_0
350
c801d85f 351#endif
34138703 352 // _WX_FONT_H_BASE_