1 /*
2  * This source file is part of libRocket, the HTML/CSS Interface Middleware
3  *
4  * For the latest information, see http://www.librocket.com
5  *
6  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a copy
9  * of this software and associated documentation files (the "Software"), to deal
10  * in the Software without restriction, including without limitation the rights
11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12  * copies of the Software, and to permit persons to whom the Software is
13  * furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24  * THE SOFTWARE.
25  *
26  */
27 
28 #ifndef ROCKETCOREFONTFAMILY_H
29 #define ROCKETCOREFONTFAMILY_H
30 
31 #include <Rocket/Core/StringUtilities.h>
32 #include "Font.h"
33 
34 namespace Rocket {
35 namespace Core {
36 
37 class FontFace;
38 class FontFaceHandle;
39 
40 /**
41 	@author Peter Curry
42  */
43 
44 class FontFamily
45 {
46 public:
47 	FontFamily(const String& name);
48     virtual ~FontFamily();
49 
50 	/// Adds a new face to the family.
51 	/// @param[in] ft_face The previously loaded FreeType face.
52 	/// @param[in] style The style of the new face.
53 	/// @param[in] weight The weight of the new face.
54 	/// @param[in] release_stream True if the application must free the face's memory stream.
55 	/// @return True if the face was loaded successfully, false otherwise.
56     virtual bool AddFace(void* ft_face, Font::Style style, Font::Weight weight, bool release_stream) = 0;
57 
58 	/// Returns a handle to the most appropriate font in the family, at the correct size.
59 	/// @param[in] charset The set of characters in the handle, as a comma-separated list of unicode ranges.
60 	/// @param[in] style The style of the desired handle.
61 	/// @param[in] weight The weight of the desired handle.
62 	/// @param[in] size The size of desired handle, in points.
63 	/// @return A valid handle if a matching (or closely matching) font face was found, NULL otherwise.
64     FontFaceHandle* GetFaceHandle(const String& charset, Font::Style style, Font::Weight weight, int size);
65 
66 protected:
67 	String name;
68 
69 	typedef std::vector< FontFace* > FontFaceList;
70 	FontFaceList font_faces;
71 };
72 
73 }
74 }
75 
76 #endif
77