jagua_rs/io/
json_solution.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
use serde::{Deserialize, Serialize};

use crate::fsize;

/// Representation of a solution
#[derive(Serialize, Deserialize, Clone)]
#[serde(rename_all = "PascalCase")]
pub struct JsonSolution {
    /// Sum of the area of the produced items divided by the sum of the area of the containers
    pub usage: fsize,
    /// The time it took to generate the solution in seconds
    pub run_time_sec: u64,
    /// Layouts which compose the solution
    pub layouts: Vec<JsonLayout>,
}

/// Representation how a set of items are placed in a certain container
#[derive(Serialize, Deserialize, Clone)]
#[serde(rename_all = "PascalCase")]
pub struct JsonLayout {
    /// The container that was used
    pub container: JsonContainer,
    /// The items placed in the container and where they were placed
    pub placed_items: Vec<JsonPlacedItem>,
    /// Some statistics about the layout
    pub statistics: JsonLayoutStats,
}

/// Represents an item placed in a container
#[derive(Serialize, Deserialize, Clone)]
#[serde(rename_all = "PascalCase")]
pub struct JsonPlacedItem {
    /// The index of the item in the instance
    pub index: usize,
    /// The transformation applied to the item to place it in the container
    pub transformation: JsonTransformation,
}

/// Represents a proper rigid transformation defined as a rotation followed by translation
#[derive(Serialize, Deserialize, Clone)]
#[serde(rename_all = "PascalCase")]
pub struct JsonTransformation {
    /// The rotation angle in radians
    pub rotation: fsize,
    /// The translation vector (x, y)
    pub translation: (fsize, fsize),
}

/// Some statistics about the layout
#[derive(Serialize, Deserialize, Clone)]
#[serde(rename_all = "PascalCase")]
pub struct JsonLayoutStats {
    /// The percentage of the container that is packed with items
    pub usage: fsize,
}

/// Type of container that was used
#[derive(Serialize, Deserialize, Clone)]
#[serde(rename_all = "PascalCase")]
#[serde(tag = "Type", content = "Params")]
pub enum JsonContainer {
    Bin {
        /// The index of the object in the instance
        #[serde(rename = "Index")]
        index: usize,
    },
    Strip {
        /// The width of the strip (variable)
        #[serde(rename = "Width")]
        width: fsize,
        /// The height of the strip (fixed)
        #[serde(rename = "Height")]
        height: fsize,
    },
}