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