qt.gui.fontdatabase source code

1 /****************************************************************************
2 **
3 ** DQt - D bindings for the Qt Toolkit
4 **
5 ** GNU Lesser General Public License Usage
6 ** This file may be used under the terms of the GNU Lesser
7 ** General Public License version 3 as published by the Free Software
8 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
9 ** packaging of this file. Please review the following information to
10 ** ensure the GNU Lesser General Public License version 3 requirements
11 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
12 **
13 ****************************************************************************/
14 module qt.gui.fontdatabase;
15 extern(C++):
16 
17 import qt.config;
18 import qt.core.bytearray;
19 import qt.core.list;
20 import qt.core.objectdefs;
21 import qt.core.string;
22 import qt.core.stringlist;
23 import qt.gui.font;
24 import qt.gui.fontinfo;
25 import qt.helpers;
26 
27 /+ class QStringList;
28 template <class T> class QList; +/
29 struct QFontDef;
30 extern(C++, class) struct QFontEngine;
31 
32 extern(C++, class) struct QFontDatabasePrivate;
33 
34 extern(C++, class) struct /+ Q_GUI_EXPORT +/ QFontDatabase
35 {
36     mixin(Q_GADGET);
37 public:
38     // do not re-order or delete entries from this enum without updating the
39     // QPF2 format and makeqpf!!
40     enum WritingSystem {
41         Any,
42 
43         Latin,
44         Greek,
45         Cyrillic,
46         Armenian,
47         Hebrew,
48         Arabic,
49         Syriac,
50         Thaana,
51         Devanagari,
52         Bengali,
53         Gurmukhi,
54         Gujarati,
55         Oriya,
56         Tamil,
57         Telugu,
58         Kannada,
59         Malayalam,
60         Sinhala,
61         Thai,
62         Lao,
63         Tibetan,
64         Myanmar,
65         Georgian,
66         Khmer,
67         SimplifiedChinese,
68         TraditionalChinese,
69         Japanese,
70         Korean,
71         Vietnamese,
72 
73         Symbol,
74         Other = WritingSystem.Symbol,
75 
76         Ogham,
77         Runic,
78         Nko,
79 
80         WritingSystemsCount
81     }
82     /+ Q_ENUM(WritingSystem) +/
83 
84     enum SystemFont {
85         GeneralFont,
86         FixedFont,
87         TitleFont,
88         SmallestReadableFont
89     }
90     /+ Q_ENUM(SystemFont) +/
91 
92     static QList!(int) standardSizes();
93 
94     @disable this();
95     pragma(mangle, defaultConstructorMangling(__traits(identifier, typeof(this))))
96     ref typeof(this) rawConstructor();
97     static typeof(this) create()
98     {
99         typeof(this) r = typeof(this).init;
100         r.rawConstructor();
101         return r;
102     }
103 
104 
105     QList!(WritingSystem) writingSystems() const;
106     QList!(WritingSystem) writingSystems(ref const(QString) family) const;
107 
108     QStringList families(WritingSystem writingSystem = WritingSystem.Any) const;
109     QStringList styles(ref const(QString) family) const;
110     QList!(int) pointSizes(ref const(QString) family, ref const(QString) style = globalInitVar!QString);
111     QList!(int) smoothSizes(ref const(QString) family, ref const(QString) style);
112     QString styleString(ref const(QFont) font);
113     QString styleString(ref const(QFontInfo) fontInfo);
114 
115     QFont font(ref const(QString) family, ref const(QString) style, int pointSize) const;
116 
117     bool isBitmapScalable(ref const(QString) family, ref const(QString) style = globalInitVar!QString) const;
118     bool isSmoothlyScalable(ref const(QString) family, ref const(QString) style = globalInitVar!QString) const;
119     bool isScalable(ref const(QString) family, ref const(QString) style = globalInitVar!QString) const;
120     bool isFixedPitch(ref const(QString) family, ref const(QString) style = globalInitVar!QString) const;
121 
122     bool italic(ref const(QString) family, ref const(QString) style) const;
123     bool bold(ref const(QString) family, ref const(QString) style) const;
124     int weight(ref const(QString) family, ref const(QString) style) const;
125 
126     bool hasFamily(ref const(QString) family) const;
127     bool isPrivateFamily(ref const(QString) family) const;
128 
129     static QString writingSystemName(WritingSystem writingSystem);
130     static QString writingSystemSample(WritingSystem writingSystem);
131 
132     static int addApplicationFont(ref const(QString) fileName);
133     static int addApplicationFontFromData(ref const(QByteArray) fontData);
134     static QStringList applicationFontFamilies(int id);
135     static bool removeApplicationFont(int id);
136     static bool removeAllApplicationFonts();
137 
138 /+ #if QT_DEPRECATED_SINCE(5, 2) +/
139     /+ QT_DEPRECATED +/ static bool supportsThreadedFontRendering();
140 /+ #endif +/
141 
142     static QFont systemFont(SystemFont type);
143 
144 private:
145     static void createDatabase();
146     static void parseFontName(ref const(QString) name, ref QString foundry, ref QString family);
147     static QString resolveFontFamilyAlias(ref const(QString) family);
148     static QFontEngine* findFont(ref const(QFontDef) request, int script /* QChar::Script */);
149     static void load(const(QFontPrivate)* d, int script /* QChar::Script */);
150 
151     /+ friend struct QFontDef; +/
152     /+ friend class QFontPrivate; +/
153     /+ friend class QFontDialog; +/
154     /+ friend class QFontDialogPrivate; +/
155     /+ friend class QFontEngineMulti; +/
156     /+ friend class QRawFont; +/
157 
158     QFontDatabasePrivate* d;
159 }
160