theta_chart/coord/
pview.rs

1use crate::{
2    coord::{Point, Rec, Vector},
3    utils::cal_step::min_vec,
4};
5
6use super::Circle;
7const RADIUS: f64 = 0.9;
8
9#[derive(Debug, Clone, Default)]
10
11/// Store data and for a chart, which avaiable to generate a svg or canvas.
12pub struct PView {
13    // Width and heigth of all char
14    vector: Vector,
15    // Region of char not include axes
16    region_chart: Circle,
17    region_label: Rec,
18    // Position of axes (use function get_bit_at to calculate)
19    position_label: usize,
20    // category: Category,
21    margin: f64,
22}
23impl PView {
24    pub fn new(
25        width: u64,
26        height: u64,
27        position_label: usize,
28        len_label: u64,
29        margin: u64,
30    ) -> Self {
31        let vector = Vector::new(width as f64, height as f64);
32        let margin = margin as f64;
33        let width = width as f64 - 2. * margin;
34        let height = height as f64 - 2. * margin;
35        let len_label = len_label as f64;
36
37        let mut origin_label = Point::default();
38        let mut vector_label = Vector::default();
39        let mut origin_chart = Point::default();
40        let mut radius = 0.;
41
42        match position_label {
43            // Label top
44            0 => {
45                origin_label = Point::new(0., 0.);
46                vector_label = Vector::new(width, len_label);
47                let width_chart = width;
48                let height_chart = height - len_label;
49                radius = min_vec(&vec![width_chart, height_chart]) / 2. * RADIUS;
50                origin_chart = Point::new(width / 2., height_chart / 2. + len_label);
51            }
52            // Label right
53            1 => {
54                origin_label = Point::new(width - len_label, 0.);
55                vector_label = Vector::new(len_label, height);
56                let width_chart = width - len_label;
57                let height_chart = height;
58                radius = min_vec(&vec![width_chart, height_chart]) / 2. * RADIUS;
59                origin_chart = Point::new((width - len_label) / 2., height / 2.);
60            }
61            // Label bottom
62            2 => {
63                origin_label = Point::new(0., height - len_label);
64                vector_label = Vector::new(width, len_label);
65                let width_chart = width;
66                let height_chart = height - len_label;
67                radius = min_vec(&vec![width_chart, height_chart]) / 2. * RADIUS;
68                origin_chart = Point::new(width / 2., height_chart / 2.);
69            }
70            // Label left
71            3 => {
72                // Chart
73                origin_label = Point::new(0., 0.);
74                vector_label = Vector::new(len_label, height);
75                let width_chart = width - len_label;
76                let height_chart = height;
77                radius = min_vec(&vec![width, height_chart]) / 2. * RADIUS;
78                origin_chart = Point::new((width_chart) / 2. + len_label, height / 2.);
79            }
80            _ => (),
81        }
82
83        Self {
84            vector,
85            region_chart: Circle::new(origin_chart, radius),
86            region_label: Rec::new(origin_label, vector_label),
87            position_label,
88            margin,
89        }
90    }
91
92    pub fn get_position_label(&self) -> usize {
93        self.position_label
94    }
95
96    pub fn get_circle_chart(&self) -> Circle {
97        self.region_chart.clone()
98    }
99
100    pub fn get_rec_label(&self) -> Rec {
101        self.region_label.clone()
102    }
103
104    pub fn get_vector(&self) -> Vector {
105        self.vector.clone()
106    }
107
108    // pub fn get_radius_chart(&self) -> Vector {
109    //     self.region_chart.get_vector()
110    // }
111
112    pub fn get_margin(&self) -> f64 {
113        self.margin
114    }
115}
theta_chart/coord/pview.rs

theta_chart/coord/
pview.rs
