Struct TransformSpec 

pub struct TransformSpec {
    pub rotate: f32,
    pub scale: f32,
    pub pivot: Vec2,
}

A node’s rotate, scale and pivot (ADR 0043): paint-only, so the node takes the room its upright self takes and everything after layout — its quads, its clip, its hit region, its access rect — is drawn, cut, hit and read through the turn. Nests by composition; tweens with transition as one slot; an entrance, an exit and a keyframe stop name rotate and scale.

Fields

rotate: f32

Turns, clockwise with y down; 0 is none.

scale: f32

The uniform factor; 1 is none.

pivot: Vec2

The point the turn and the scale are about, as fractions of the node’s box: (0.5, 0.5) is the centre.

Implementations

impl TransformSpec

pub const NONE: TransformSpec

No turn and no scale, about the centre.

pub fn active(&self) -> bool

Whether this moves anything: a turn, or a scale that is not 1. A turn or a scale that is not a finite number is none.

pub fn at(&self, rect: Rect) -> Transform

The transform for a node laid out at rect (logical px, in the space its parent paints in).

Trait Implementations

impl Clone for TransformSpec

fn clone(&self) -> TransformSpec

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for TransformSpec

impl Debug for TransformSpec

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

Formats the value using the given formatter.

impl Default for TransformSpec

fn default() -> TransformSpec

Returns the “default value” for a type.

impl PartialEq for TransformSpec

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for TransformSpec