cadmpeg-ir 0.6.6

CAD data model, validation, diffing, and codec API for cadmpeg.
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

// SPDX-License-Identifier: Apache-2.0
//! Support contexts of payload constructions on the reversed parameter `-t`.

use super::super::support_reversal::{reverse_cache_first_form, reversed_side};
use super::{
    SilhouetteCurveConstruction, SurfaceOffsetCurveConstruction,
    ThreeSurfaceIntersectionCurvePayload, TwoSidedOffsetCurveConstruction,
};
use crate::geometry::CacheContract;

impl ThreeSurfaceIntersectionCurvePayload {
    pub(crate) fn reverse_about_zero(&mut self) -> Option<()> {
        let context = self.context.reversed_about_zero()?;
        let third = reversed_side(&self.third)?;
        self.context = context;
        self.third = third;
        Some(())
    }
}

impl TwoSidedOffsetCurveConstruction {
    pub(crate) fn reverse_about_zero(&mut self) -> Option<()> {
        self.context = self.context.reversed_about_zero()?;
        Some(())
    }
}

impl SilhouetteCurveConstruction {
    pub(crate) fn reverse_about_zero(&mut self) -> Option<()> {
        self.context = self.context.reversed_about_zero()?;
        Some(())
    }
}

impl SurfaceOffsetCurveConstruction {
    /// The base endpoints pair with the context endpoints by position, so
    /// they swap with them. They are base-curve parameters and keep their
    /// values.
    pub(crate) fn reverse_about_zero(&mut self) -> Option<()> {
        self.context = self.context.reversed_about_zero()?;
        self.base_endpoints.reverse();
        if let CacheContract::Revision { form } = &mut self.cache {
            reverse_cache_first_form(form);
        }
        Some(())
    }
}

#[cfg(test)]
mod tests;