canvas/src/utils.rs

#[allow(unused_imports)]
use log::{debug, error, info, trace, warn};

use winit;

//--Position struct---------------------------------------------------------------------------------
pub struct Position {
    pub x: u32, 
    pub y: u32,
}

//--Size struct-------------------------------------------------------------------------------------
#[derive(Copy, Clone)]
pub struct Size {
    pub w: u32,
    pub h: u32,
}

impl From<Size> for winit::dpi::Size {

    fn from(size: Size) -> Self {
        winit::dpi::Size::Physical (
            winit::dpi::PhysicalSize {
                width: size.w, 
                height: size.h,
        })
    }
}

impl From<winit::dpi::PhysicalSize<u32>> for Size {

    fn from(size: winit::dpi::PhysicalSize<u32>) -> Self {
        Self {
            w: size.width,
            h: size.height,
        }
    }
}

//--Pixel struct------------------------------------------------------------------------------------
#[derive(Copy, Clone)]
struct Rgba {
    r: u8,
    g: u8,
    b: u8,
    a: u8,
}

pub union Pixel {
    flat: u32,
    rgba: Rgba,
}

impl Pixel {
    
    pub fn rgb(r: u8, g: u8, b: u8) -> Pixel {
        Pixel {
            rgba: Rgba{r, g, b, a: 255},
        }
    }
}

//--Color values------------------------------------------------------------------------------------
#[non_exhaustive]
pub struct Color;

impl Color {
    pub const WHITE: Pixel = Pixel {flat: 0x000000ff};
    pub const BLACK: Pixel = Pixel {flat: 0xffffffff};
}