makepad_vector/geometry/
affine_transformation.rs

1use crate::geometry::{LinearTransformation, Point, Transform, Transformation, Vector};
2
3#[derive(Clone, Copy, Debug, PartialEq)]
4#[repr(C)]
5pub struct AffineTransformation {
6    pub xy: LinearTransformation,
7    pub z: Vector,
8}
9
10impl AffineTransformation {
11    pub fn new(xy: LinearTransformation, z: Vector) -> AffineTransformation {
12        AffineTransformation { xy, z }
13    }
14
15    pub fn identity() -> AffineTransformation {
16        AffineTransformation::new(LinearTransformation::identity(), Vector::zero())
17    }
18
19    pub fn scaling(v: Vector) -> AffineTransformation {
20        AffineTransformation::new(LinearTransformation::scaling(v), Vector::zero())
21    }
22
23    pub fn uniform_scaling(k: f64) -> AffineTransformation {
24        AffineTransformation::new(LinearTransformation::uniform_scaling(k), Vector::zero())
25    }
26
27    pub fn translation(v: Vector) -> AffineTransformation {
28        AffineTransformation::new(LinearTransformation::identity(), v)
29    }
30
31    pub fn scale(self, v: Vector) -> AffineTransformation {
32        AffineTransformation::new(self.xy.scale(v), self.z.scale(v))
33    }
34
35    pub fn uniform_scale(self, k: f64) -> AffineTransformation {
36        AffineTransformation::new(self.xy.uniform_scale(k), self.z * k)
37    }
38
39    pub fn translate(self, v: Vector) -> AffineTransformation {
40        AffineTransformation::new(self.xy, self.z + v)
41    }
42}
43
44impl Transformation for AffineTransformation {
45    fn transform_point(&self, p: Point) -> Point {
46        p.transform(&self.xy) + self.z
47    }
48
49    fn transform_vector(&self, v: Vector) -> Vector {
50        v.transform(&self.xy)
51    }
52}
makepad_vector/geometry/affine_transformation.rs

makepad_vector/geometry/
affine_transformation.rs
