Enum Fov 

pub enum Fov {
    FocalRatio(f32),
    Equiv35mm(f32),
    Horizontal(Angle),
    Vertical(Angle),
    Diagonal(Angle),
}

Camera field of view.

Specifies how wide or narrow the angle of view of the camera is. The smaller the angle, the more “zoomed in” the image is.

Variants

FocalRatio(f32)

Ratio of focal length to aperture size.

This value is also called the 𝑓-number. The value of 1.0 corresponds to a horizontal angle of view of 90°. Values less than 1.0 correspond to wider and values greater than 1.0 to narrower angles of view.

Equiv35mm(f32)

Focal length in 35mm-equivalent millimeters.

For instance, the value of 28.0 corresponds to the moderate wide-angle view of a 28mm “full-frame” lens.

Horizontal(Angle)

Angle of view as measured from the left to the right edge of the image.

Vertical(Angle)

Angle of view as measured from the top to the bottom edge of the image.

Diagonal(Angle)

Angle of view as measured between two opposite corners of the image.

Implementations

impl Fov

pub fn focal_ratio(self, aspect_ratio: f32) -> f32

TODO

Trait Implementations

impl Clone for Fov

fn clone(&self) -> Fov

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Fov

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

Formats the value using the given formatter.

impl PartialEq for Fov

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Fov

impl StructuralPartialEq for Fov