1 | //============================================================================ |
2 | // |
3 | // SSSS tt lll lll |
4 | // SS SS tt ll ll |
5 | // SS tttttt eeee ll ll aaaa |
6 | // SSSS tt ee ee ll ll aa |
7 | // SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator" |
8 | // SS SS tt ee ll ll aa aa |
9 | // SSSS ttt eeeee llll llll aaaaa |
10 | // |
11 | // Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony |
12 | // and the Stella Team |
13 | // |
14 | // See the file "License.txt" for information on usage and redistribution of |
15 | // this file, and for a DISCLAIMER OF ALL WARRANTIES. |
16 | // |
17 | // Based on code from ScummVM - Scumm Interpreter |
18 | // Copyright (C) 2002-2004 The ScummVM project |
19 | //============================================================================ |
20 | |
21 | #ifndef FONT_HXX |
22 | #define FONT_HXX |
23 | |
24 | #include "bspf.hxx" |
25 | |
26 | struct BBX |
27 | { |
28 | Int8 w; |
29 | Int8 h; |
30 | Int8 x; |
31 | Int8 y; |
32 | }; |
33 | |
34 | /* builtin C-based proportional/fixed font structure */ |
35 | /* based on The Microwindows Project http://microwindows.org */ |
36 | struct FontDesc |
37 | { |
38 | const char* const name; /* font name */ |
39 | int maxwidth; /* max width in pixels */ |
40 | int height; /* height in pixels */ |
41 | int fbbw, fbbh, fbbx, fbby; /* max bounding box */ |
42 | int ascent; /* ascent (baseline) height */ |
43 | int firstchar; /* first character in bitmap */ |
44 | int size; /* font size in glyphs */ |
45 | const uInt16* bits; /* 16-bit right-padded bitmap data */ |
46 | const uInt32* offset; /* offsets into bitmap data*/ |
47 | const uInt8* width; /* character widths or nullptr if fixed */ |
48 | const BBX* bbx; /* character bounding box or nullptr if fixed */ |
49 | int defaultchar; /* default char (not glyph index) */ |
50 | long bits_size; /* # words of bitmap_t bits */ |
51 | }; |
52 | |
53 | namespace GUI { |
54 | |
55 | class Font |
56 | { |
57 | public: |
58 | explicit Font(const FontDesc& desc); |
59 | |
60 | const FontDesc& desc() const { return myFontDesc; } |
61 | |
62 | int getFontHeight() const { return myFontDesc.height; } |
63 | int getLineHeight() const { return myFontDesc.height + 2; } |
64 | int getMaxCharWidth() const { return myFontDesc.maxwidth; } |
65 | |
66 | int getCharWidth(uInt8 chr) const; |
67 | |
68 | int getStringWidth(const string& str) const; |
69 | |
70 | private: |
71 | FontDesc myFontDesc; |
72 | |
73 | private: |
74 | // Following constructors and assignment operators not supported |
75 | Font() = delete; |
76 | Font(const Font&) = delete; |
77 | Font(Font&&) = delete; |
78 | Font& operator=(const Font&) = delete; |
79 | Font& operator=(Font&&) = delete; |
80 | }; |
81 | |
82 | } // namespace GUI |
83 | |
84 | #endif |
85 | |