Struct rasterize::Transform

pub struct Transform(_);

2D affine transformation

Stored as an array [m00, m01, m02, m10, m11, m12], semantically corresponds to a matrix: ┌ ┐ │ m00 m01 m02 │ │ m11 m11 m12 │ │ 0 0 1 │ └ ┘

Implementations

impl Transform

pub fn new(
    m00: Scalar,
    m01: Scalar,
    m02: Scalar,
    m10: Scalar,
    m11: Scalar,
    m12: Scalar
) -> Self

pub fn identity() -> Self

pub fn apply(&self, point: Point) -> Point

Apply this transformation to a point

pub fn invert(&self) -> Option<Self>

Find the inverse transformation

pub fn pre_translate(&self, tx: Scalar, ty: Scalar) -> Self

Apply translation by [tx, ty] before self

pub fn new_translate(tx: Scalar, ty: Scalar) -> Self

pub fn pre_scale(&self, sx: Scalar, sy: Scalar) -> Self

Apply scale transformatoin by [sx, sy] before self

pub fn new_scale(sx: Scalar, sy: Scalar) -> Self

pub fn pre_rotate(&self, a: Scalar) -> Self

Apply rotation by a angle around the origin before self

pub fn new_rotate(a: Scalar) -> Self

pub fn pre_rotate_around(&self, a: Scalar, p: impl Into<Point>) -> Self

Apply rotation around point p by angle a before self

pub fn pre_skew(&self, ax: Scalar, ay: Scalar) -> Self

Apply scew transformation by [ax, ay] before self

pub fn new_skew(ax: Scalar, ay: Scalar) -> Self

pub fn pre_concat(&self, other: Self) -> Self

Apply other transformation before the current one

pub fn post_concat(&self, other: Self) -> Self

Apply other transformation after the curent one

pub fn line_to_line(src: Line, dst: Line) -> Option<Self>

Create transformation which converts src line segment to dst line segment

pub fn make_horizontal(line: Line) -> Transform

Create transformation which makes line horizontal with origin at (0, 0).

pub fn fit_bbox(src: BBox, dst: BBox, align: Align) -> Transform

Create transformation that is requred to fit src box into dst.

pub fn fit_size(src: BBox, size: Size, align: Align) -> Transform

Create transformation needed to fit source bounding box to provided size image

Trait Implementations

impl Clone for Transform

fn clone(&self) -> Transform

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Transform

impl Debug for Transform

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Transform

fn default() -> Self

Returns the “default value” for a type.

impl Mul<Transform> for Transform

type Output = Transform

The resulting type after applying the * operator.

fn mul(self, other: Transform) -> Self::Output

Multiply matrices representing transformations

impl PartialEq<Transform> for Transform

fn eq(&self, other: &Transform) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Transform) -> bool

This method tests for !=.

impl StructuralPartialEq for Transform