Enum fltk::enums::ColorDepth

#[repr(u8)]
pub enum ColorDepth {
    L8,
    La8,
    Rgb8,
    Rgba8,
}

Defines the color depth for drawing and rgb images

Variants

L8

Luminance/grayscale

La8

Luminance with Alpha channel

Rgb8

RGB888

Rgba8

RGBA8888 with Alpha channel

Implementations

impl ColorDepth

Implements some convenience methods for ColorDepth

pub fn from_u8(val: u8) -> Result<ColorDepth, FltkError>

Create a ColorDepth from an u8 value

Examples found in repository

examples/rounded_images.rs (line 60)

↕

fn main() {
    let app = app::App::default().with_scheme(app::Scheme::Gleam);
    app::background(0, 0, 0);
    let image = image::SharedImage::load("screenshots/calc2.jpg")
        .unwrap()
        .to_rgb()
        .unwrap();

    let mut wind = window::Window::new(100, 100, 800, 400, "Hello from rust");
    let mut pack = group::Pack::default()
        .with_size(800, 200)
        .center_of_parent();
    pack.set_type(group::PackType::Horizontal);
    for i in 1..=4 {
        let color_depth = enums::ColorDepth::from_u8(i).unwrap();
        let image = image.convert(color_depth).unwrap();
        RoundImageBox::new(100, image);
    }
    pack.end();
    wind.end();
    wind.show();

    app.run().unwrap();
}

Trait Implementations

impl Clone for ColorDepth

fn clone(&self) -> ColorDepth

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ColorDepth

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

Formats the value using the given formatter.

impl PartialEq<ColorDepth> for ColorDepth

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

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

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

This method tests for !=.

impl Copy for ColorDepth

impl StructuralPartialEq for ColorDepth