fret_render_text/
line_layout.rs

1use crate::geometry::{TextLineCluster, TextLineDecorationGeometry, TextLineGeometry};
2use fret_core::geometry::Px;
3use std::sync::Arc;
4
5#[derive(Debug, Clone)]
6pub struct TextLineLayout {
7    start: usize,
8    end: usize,
9    width: Px,
10    y_top: Px,
11    /// Baseline Y for this line (y=0 at the top of the text box).
12    y_baseline: Px,
13    height: Px,
14    ascent: Px,
15    descent: Px,
16    ink_ascent: Px,
17    ink_descent: Px,
18    caret_stops: Vec<(usize, Px)>,
19    clusters: Arc<[TextLineCluster]>,
20}
21
22impl TextLineLayout {
23    #[allow(clippy::too_many_arguments)]
24    pub(crate) fn new(
25        start: usize,
26        end: usize,
27        width: Px,
28        y_top: Px,
29        y_baseline: Px,
30        height: Px,
31        ascent: Px,
32        descent: Px,
33        ink_ascent: Px,
34        ink_descent: Px,
35        caret_stops: Vec<(usize, Px)>,
36        clusters: Arc<[TextLineCluster]>,
37    ) -> Self {
38        Self {
39            start,
40            end,
41            width,
42            y_top,
43            y_baseline,
44            height,
45            ascent,
46            descent,
47            ink_ascent,
48            ink_descent,
49            caret_stops,
50            clusters,
51        }
52    }
53
54    pub fn start(&self) -> usize {
55        self.start
56    }
57
58    pub fn end(&self) -> usize {
59        self.end
60    }
61
62    pub fn width(&self) -> Px {
63        self.width
64    }
65
66    pub fn y_top(&self) -> Px {
67        self.y_top
68    }
69
70    pub fn y_baseline(&self) -> Px {
71        self.y_baseline
72    }
73
74    pub fn height(&self) -> Px {
75        self.height
76    }
77
78    pub fn ascent(&self) -> Px {
79        self.ascent
80    }
81
82    pub fn descent(&self) -> Px {
83        self.descent
84    }
85
86    pub fn ink_ascent(&self) -> Px {
87        self.ink_ascent
88    }
89
90    pub fn ink_descent(&self) -> Px {
91        self.ink_descent
92    }
93
94    pub fn caret_stops(&self) -> &[(usize, Px)] {
95        self.caret_stops.as_ref()
96    }
97
98    pub fn caret_stops_capacity(&self) -> usize {
99        self.caret_stops.capacity()
100    }
101
102    pub fn clusters(&self) -> &[TextLineCluster] {
103        self.clusters.as_ref()
104    }
105}
106
107impl TextLineGeometry for TextLineLayout {
108    fn start(&self) -> usize {
109        self.start()
110    }
111
112    fn end(&self) -> usize {
113        self.end()
114    }
115
116    fn y_top(&self) -> Px {
117        self.y_top()
118    }
119
120    fn height(&self) -> Px {
121        self.height()
122    }
123
124    fn caret_stops(&self) -> &[(usize, Px)] {
125        self.caret_stops()
126    }
127
128    fn clusters(&self) -> &[TextLineCluster] {
129        self.clusters()
130    }
131}
132
133impl TextLineDecorationGeometry for TextLineLayout {
134    fn y_baseline(&self) -> Px {
135        self.y_baseline()
136    }
137}
fret_render_text/line_layout.rs

fret_render_text/
line_layout.rs
