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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: $Id$ | |
8 | // Copyright: (c) wxWidgets team | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_FONT_H_BASE_ | |
13 | #define _WX_FONT_H_BASE_ | |
14 | ||
15 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
16 | #pragma interface "fontbase.h" | |
17 | #endif | |
18 | ||
19 | // ---------------------------------------------------------------------------- | |
20 | // headers | |
21 | // ---------------------------------------------------------------------------- | |
22 | ||
23 | #include "wx/defs.h" // for wxDEFAULT &c | |
24 | #include "wx/fontenc.h" // the font encoding constants | |
25 | #include "wx/gdiobj.h" // the base class | |
26 | ||
27 | // ---------------------------------------------------------------------------- | |
28 | // forward declarations | |
29 | // ---------------------------------------------------------------------------- | |
30 | ||
31 | class WXDLLEXPORT wxFontData; | |
32 | class WXDLLEXPORT wxFontBase; | |
33 | class WXDLLEXPORT wxFont; | |
34 | class WXDLLEXPORT wxSize; | |
35 | ||
36 | // ---------------------------------------------------------------------------- | |
37 | // font constants | |
38 | // ---------------------------------------------------------------------------- | |
39 | ||
40 | // standard font families: these may be used only for the font creation, it | |
41 | // doesn't make sense to query an existing font for its font family as, | |
42 | // especially if the font had been created from a native font description, it | |
43 | // may be unknown | |
44 | enum wxFontFamily | |
45 | { | |
46 | wxFONTFAMILY_DEFAULT = wxDEFAULT, | |
47 | wxFONTFAMILY_DECORATIVE = wxDECORATIVE, | |
48 | wxFONTFAMILY_ROMAN = wxROMAN, | |
49 | wxFONTFAMILY_SCRIPT = wxSCRIPT, | |
50 | wxFONTFAMILY_SWISS = wxSWISS, | |
51 | wxFONTFAMILY_MODERN = wxMODERN, | |
52 | wxFONTFAMILY_TELETYPE = wxTELETYPE, | |
53 | wxFONTFAMILY_MAX, | |
54 | wxFONTFAMILY_UNKNOWN = wxFONTFAMILY_MAX | |
55 | }; | |
56 | ||
57 | // font styles | |
58 | enum wxFontStyle | |
59 | { | |
60 | wxFONTSTYLE_NORMAL = wxNORMAL, | |
61 | wxFONTSTYLE_ITALIC = wxITALIC, | |
62 | wxFONTSTYLE_SLANT = wxSLANT, | |
63 | wxFONTSTYLE_MAX | |
64 | }; | |
65 | ||
66 | // font weights | |
67 | enum wxFontWeight | |
68 | { | |
69 | wxFONTWEIGHT_NORMAL = wxNORMAL, | |
70 | wxFONTWEIGHT_LIGHT = wxLIGHT, | |
71 | wxFONTWEIGHT_BOLD = wxBOLD, | |
72 | wxFONTWEIGHT_MAX | |
73 | }; | |
74 | ||
75 | // the font flag bits for the new font ctor accepting one combined flags word | |
76 | enum | |
77 | { | |
78 | // no special flags: font with default weight/slant/anti-aliasing | |
79 | wxFONTFLAG_DEFAULT = 0, | |
80 | ||
81 | // slant flags (default: no slant) | |
82 | wxFONTFLAG_ITALIC = 1 << 0, | |
83 | wxFONTFLAG_SLANT = 1 << 1, | |
84 | ||
85 | // weight flags (default: medium) | |
86 | wxFONTFLAG_LIGHT = 1 << 2, | |
87 | wxFONTFLAG_BOLD = 1 << 3, | |
88 | ||
89 | // anti-aliasing flag: force on or off (default: the current system default) | |
90 | wxFONTFLAG_ANTIALIASED = 1 << 4, | |
91 | wxFONTFLAG_NOT_ANTIALIASED = 1 << 5, | |
92 | ||
93 | // underlined/strikethrough flags (default: no lines) | |
94 | wxFONTFLAG_UNDERLINED = 1 << 6, | |
95 | wxFONTFLAG_STRIKETHROUGH = 1 << 7, | |
96 | ||
97 | // the mask of all currently used flags | |
98 | wxFONTFLAG_MASK = wxFONTFLAG_ITALIC | | |
99 | wxFONTFLAG_SLANT | | |
100 | wxFONTFLAG_LIGHT | | |
101 | wxFONTFLAG_BOLD | | |
102 | wxFONTFLAG_ANTIALIASED | | |
103 | wxFONTFLAG_NOT_ANTIALIASED | | |
104 | wxFONTFLAG_UNDERLINED | | |
105 | wxFONTFLAG_STRIKETHROUGH | |
106 | }; | |
107 | ||
108 | // ---------------------------------------------------------------------------- | |
109 | // wxFontBase represents a font object | |
110 | // ---------------------------------------------------------------------------- | |
111 | ||
112 | class WXDLLEXPORT wxFontRefData; | |
113 | struct WXDLLEXPORT wxNativeFontInfo; | |
114 | ||
115 | class WXDLLEXPORT wxFontBase : public wxGDIObject | |
116 | { | |
117 | public: | |
118 | // creator function | |
119 | virtual ~wxFontBase(); | |
120 | ||
121 | // from the font components | |
122 | static wxFont *New( | |
123 | int pointSize, // size of the font in points | |
124 | int family, // see wxFontFamily enum | |
125 | int style, // see wxFontStyle enum | |
126 | int weight, // see wxFontWeight enum | |
127 | bool underlined = false, // not underlined by default | |
128 | const wxString& face = wxEmptyString, // facename | |
129 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ... | |
130 | ||
131 | // from the font components but using the font flags instead of separate | |
132 | // parameters for each flag | |
133 | static wxFont *New(int pointSize, | |
134 | wxFontFamily family, | |
135 | int flags = wxFONTFLAG_DEFAULT, | |
136 | const wxString& face = wxEmptyString, | |
137 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); | |
138 | ||
139 | // from the font components | |
140 | static wxFont *New( | |
141 | const wxSize& pixelSize, // size of the font in pixels | |
142 | int family, // see wxFontFamily enum | |
143 | int style, // see wxFontStyle enum | |
144 | int weight, // see wxFontWeight enum | |
145 | bool underlined = false, // not underlined by default | |
146 | const wxString& face = wxEmptyString, // facename | |
147 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ... | |
148 | ||
149 | // from the font components but using the font flags instead of separate | |
150 | // parameters for each flag | |
151 | static wxFont *New(const wxSize& pixelSize, | |
152 | wxFontFamily family, | |
153 | int flags = wxFONTFLAG_DEFAULT, | |
154 | const wxString& face = wxEmptyString, | |
155 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); | |
156 | ||
157 | // from the (opaque) native font description object | |
158 | static wxFont *New(const wxNativeFontInfo& nativeFontDesc); | |
159 | ||
160 | // from the string representation of wxNativeFontInfo | |
161 | static wxFont *New(const wxString& strNativeFontDesc); | |
162 | ||
163 | // was the font successfully created? | |
164 | bool Ok() const { return m_refData != NULL; } | |
165 | ||
166 | // comparison | |
167 | bool operator == (const wxFont& font) const; | |
168 | bool operator != (const wxFont& font) const; | |
169 | ||
170 | // accessors: get the font characteristics | |
171 | virtual int GetPointSize() const = 0; | |
172 | virtual wxSize GetPixelSize() const; | |
173 | virtual bool IsUsingSizeInPixels() const; | |
174 | virtual int GetFamily() const = 0; | |
175 | virtual int GetStyle() const = 0; | |
176 | virtual int GetWeight() const = 0; | |
177 | virtual bool GetUnderlined() const = 0; | |
178 | virtual wxString GetFaceName() const = 0; | |
179 | virtual wxFontEncoding GetEncoding() const = 0; | |
180 | virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0; | |
181 | ||
182 | virtual bool IsFixedWidth() const; | |
183 | ||
184 | wxString GetNativeFontInfoDesc() const; | |
185 | wxString GetNativeFontInfoUserDesc() const; | |
186 | ||
187 | // change the font characteristics | |
188 | virtual void SetPointSize( int pointSize ) = 0; | |
189 | virtual void SetPixelSize( const wxSize& pixelSize ); | |
190 | virtual void SetFamily( int family ) = 0; | |
191 | virtual void SetStyle( int style ) = 0; | |
192 | virtual void SetWeight( int weight ) = 0; | |
193 | virtual void SetFaceName( const wxString& faceName ) = 0; | |
194 | virtual void SetUnderlined( bool underlined ) = 0; | |
195 | virtual void SetEncoding(wxFontEncoding encoding) = 0; | |
196 | void SetNativeFontInfo(const wxNativeFontInfo& info) | |
197 | { DoSetNativeFontInfo(info); } | |
198 | ||
199 | void SetNativeFontInfo(const wxString& info); | |
200 | void SetNativeFontInfoUserDesc(const wxString& info); | |
201 | ||
202 | // translate the fonts into human-readable string (i.e. GetStyleString() | |
203 | // will return "wxITALIC" for an italic font, ...) | |
204 | wxString GetFamilyString() const; | |
205 | wxString GetStyleString() const; | |
206 | wxString GetWeightString() const; | |
207 | ||
208 | // Unofficial API, don't use | |
209 | virtual void SetNoAntiAliasing( bool WXUNUSED(no) = true ) { } | |
210 | virtual bool GetNoAntiAliasing() const { return false; } | |
211 | ||
212 | // the default encoding is used for creating all fonts with default | |
213 | // encoding parameter | |
214 | static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; } | |
215 | static void SetDefaultEncoding(wxFontEncoding encoding); | |
216 | ||
217 | protected: | |
218 | // get the internal data | |
219 | wxFontRefData *GetFontData() const | |
220 | { return (wxFontRefData *)m_refData; } | |
221 | ||
222 | // the function called by both overloads of SetNativeFontInfo() | |
223 | virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info); | |
224 | ||
225 | private: | |
226 | // the currently default encoding: by default, it's the default system | |
227 | // encoding, but may be changed by the application using | |
228 | // SetDefaultEncoding() to make all subsequent fonts created without | |
229 | // specifing encoding parameter using this encoding | |
230 | static wxFontEncoding ms_encodingDefault; | |
231 | }; | |
232 | ||
233 | // include the real class declaration | |
234 | #if defined(__WXPALMOS__) | |
235 | #include "wx/palmos/font.h" | |
236 | #elif defined(__WXMSW__) | |
237 | #include "wx/msw/font.h" | |
238 | #elif defined(__WXMOTIF__) | |
239 | #include "wx/motif/font.h" | |
240 | #elif defined(__WXGTK__) | |
241 | #include "wx/gtk/font.h" | |
242 | #elif defined(__WXX11__) | |
243 | #include "wx/x11/font.h" | |
244 | #elif defined(__WXMGL__) | |
245 | #include "wx/mgl/font.h" | |
246 | #elif defined(__WXMAC__) | |
247 | #include "wx/mac/font.h" | |
248 | #elif defined(__WXCOCOA__) | |
249 | #include "wx/cocoa/font.h" | |
250 | #elif defined(__WXPM__) | |
251 | #include "wx/os2/font.h" | |
252 | #endif | |
253 | ||
254 | // ---------------------------------------------------------------------------- | |
255 | // macros | |
256 | // ---------------------------------------------------------------------------- | |
257 | ||
258 | #define M_FONTDATA GetFontData() | |
259 | ||
260 | #endif | |
261 | // _WX_FONT_H_BASE_ |