csv2svg 0.1.5

take a csv as input and outputs svg
Documentation 
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use crate::*;

pub struct Projector {
    rx: f64,
    ry: f64,
    sx: i64,
    sy: i64,
    dx: i64,
    dy: i64,
}

impl Projector {
    pub fn new(src: &IntRect, dst: &IntRect) -> Self {
        let rx = (dst.width as f64) / (src.width as f64);
        let ry = (dst.height as f64) / (src.height as f64);
        let sx = src.left;
        let sy = src.top;
        let dx = dst.left;
        let dy = dst.top;
        Self {
            rx,
            ry,
            sx,
            dx,
            sy,
            dy,
        }
    }
    pub fn project_x(&self, x: i64) -> i64 {
        self.dx + (((x - self.sx) as f64) * self.rx) as i64
    }
    pub fn project_y(&self, y: i64) -> i64 {
        self.dy + (((y - self.sy) as f64) * self.ry) as i64
    }
    pub fn project_point(&self, p: (i64, i64)) -> (i64, i64) {
        (self.project_x(p.0), self.project_y(p.1))
    }
}