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use plotters::prelude::*;
use image::{imageops::FilterType, ImageFormat};
use std::fs::File;
use std::io::BufReader;
fn main() -> Result<(), Box<dyn std::error::Error>> {
let root =
BitMapBackend::new("plotters-doc-data/blit-bitmap.png", (1024, 768)).into_drawing_area();
root.fill(&WHITE)?;
let mut chart = ChartBuilder::on(&root)
.caption("Bitmap Example", ("sans-serif", 30))
.margin(5)
.set_label_area_size(LabelAreaPosition::Left, 40)
.set_label_area_size(LabelAreaPosition::Bottom, 40)
.build_cartesian_2d(0.0..1.0, 0.0..1.0)?;
chart.configure_mesh().disable_mesh().draw()?;
let (w, h) = chart.plotting_area().dim_in_pixel();
let image = image::load(
BufReader::new(File::open("plotters-doc-data/cat.png")?),
ImageFormat::Png,
)?
.resize_exact(w - w / 10, h - h / 10, FilterType::Nearest);
let elem: BitMapElement<_> = ((0.05, 0.95), image).into();
chart.draw_series(std::iter::once(elem))?;
Ok(())
}
#[test]
fn entry_point() {
main().unwrap()
}
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