jagua-rs 0.7.2

A fast and fearless Collision Detection Engine for 2D irregular Cutting and Packing problems
Documentation 
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use crate::entities::Item;
use crate::geometry::DTransformation;
use crate::geometry::geo_traits::Transformable;
use crate::geometry::primitives::SPolygon;
use slotmap::new_key_type;
use std::sync::Arc;

#[cfg(doc)]
use crate::entities::Layout;

new_key_type! {
    /// Unique key for each [`PlacedItem`] in a layout.
    pub struct PItemKey;
}

/// Represents an [`Item`] that has been placed in a [`Layout`]
#[derive(Clone, Debug)]
pub struct PlacedItem {
    /// ID of the type of `Item` that was placed
    pub item_id: usize,
    /// The transformation that was applied to the `Item` before it was placed
    pub d_transf: DTransformation,
    /// The shape of the `Item` after it has been transformed and placed in a `Layout`
    pub shape: Arc<SPolygon>,
}

impl PlacedItem {
    pub fn new(item: &Item, d_transf: DTransformation) -> Self {
        let transf = d_transf.compose();
        let shape = item.shape_cd.transform_clone(&transf);

        PlacedItem {
            item_id: item.id,
            d_transf,
            shape: Arc::new(shape),
        }
    }
}