fontconfig_parser/types/
constant.rs

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1use crate::PropertyKind;
2
3macro_rules! define_constant {
4    (
5        $(
6            $variant:ident = $(($ty:ident, $value:expr),)+
7        )+
8    ) => {
9        #[derive(Copy, Clone, Debug, Eq, PartialEq)]
10        #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
11        pub enum Constant {
12            $(
13                $variant,
14            )+
15        }
16
17        impl Constant {
18            pub fn get_value(self, kind: PropertyKind) -> Option<u32> {
19                match (self, kind) {
20                    $(
21                        $(
22                            (Constant::$variant, PropertyKind::$ty) => Some($value),
23                        )+
24                    )+
25                    _ => None,
26                }
27            }
28        }
29    };
30}
31
32define_constant! {
33    Thin = (Weight, 0),
34    Extralight = (Weight, 40),
35    Ultralight = (Weight, 40),
36    Light = (Weight, 50),
37    Demilight = (Weight, 55),
38    Semilight = (Weight, 55),
39    Book = (Weight, 75),
40    Regular = (Weight, 80),
41    Normal = (Weight, 80), (Width, 100),
42    Medium = (Weight, 100),
43    Demibold = (Weight, 180),
44    Semibold = (Weight, 180),
45    Bold = (Weight, 200),
46    Extrabold = (Weight, 205),
47    Black = (Weight, 210),
48    Heavy = (Weight, 210),
49    Roman = (Slant, 0),
50    Italic = (Slant, 100),
51    Oblique = (Slant, 110),
52    Ultracondensed = (Width, 50),
53    Extracondensed = (Width, 63),
54    Condensed = (Width, 75),
55    Semicondensed = (Width, 87),
56    // Merged into above Normal
57    // Normal = (Width, 100),
58    Semiexpanded = (Width, 113),
59    Expanded = (Width, 125),
60    Extraexpanded = (Width, 150),
61    Ultraexpanded = (Width, 200),
62    Proportional = (Spacing, 0),
63    Dual = (Spacing, 90),
64    Mono = (Spacing, 100),
65    Charcell = (Spacing, 110),
66    Unknown = (Rgba, 0),
67    Rgb = (Rgba, 1),
68    Bgr = (Rgba, 2),
69    Vrgb = (Rgba, 3),
70    Vbgr = (Rgba, 4),
71    None = (Rgba, 5),
72    Lcdnone = (Lcdfilter, 0),
73    Lcddefault = (Lcdfilter, 1),
74    Lcdlight = (Lcdfilter, 2),
75    Lcdlegacy = (Lcdfilter, 3),
76    Hintnone = (HintStyle, 0),
77    Hintslight = (HintStyle, 1),
78    Hintmedium = (HintStyle, 2),
79    Hintfull = (HintStyle, 3),
80}
81
82parse_enum! {
83    Constant,
84    (Thin, "thin"),
85    (Extralight, "extralight"),
86    (Ultralight, "ultralight"),
87    (Light, "light"),
88    (Demilight, "demilight"),
89    (Semilight, "semilight"),
90    (Book, "book"),
91    (Regular, "regular"),
92    (Normal, "normal"),
93    (Medium, "medium"),
94    (Demibold, "demibold"),
95    (Semibold, "semibold"),
96    (Bold, "bold"),
97    (Extrabold, "extrabold"),
98    (Black, "black"),
99    (Heavy, "heavy"),
100    (Roman, "roman"),
101    (Italic, "italic"),
102    (Oblique, "oblique"),
103    (Ultracondensed, "ultracondensed"),
104    (Extracondensed, "extracondensed"),
105    (Condensed, "condensed"),
106    (Semicondensed, "semicondensed"),
107    (Semiexpanded, "semiexpanded"),
108    (Expanded, "expanded"),
109    (Extraexpanded, "extraexpanded"),
110    (Ultraexpanded, "ultraexpanded"),
111    (Proportional, "proportional"),
112    (Dual, "dual"),
113    (Mono, "mono"),
114    (Charcell, "charcell"),
115    (Unknown, "unknown"),
116    (Rgb, "rgb"),
117    (Bgr, "bgr"),
118    (Vrgb, "vrgb"),
119    (Vbgr, "vbgr"),
120    (None, "none"),
121    (Lcdnone, "lcdnone"),
122    (Lcddefault, "lcddefault"),
123    (Lcdlight, "lcdlight"),
124    (Lcdlegacy, "lcdlegacy"),
125    (Hintnone, "hintnone"),
126    (Hintslight, "hintslight"),
127    (Hintmedium, "hintmedium"),
128    (Hintfull, "hintfull"),
129}
130
131#[test]
132fn convert_test() {
133    assert_eq!(Constant::Roman.get_value(PropertyKind::Slant).unwrap(), 0,);
134}
fontconfig_parser/types/constant.rs

fontconfig_parser/types/
constant.rs
