diff options
Diffstat (limited to 'examples/blit-bitmap.rs')
-rw-r--r-- | examples/blit-bitmap.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/examples/blit-bitmap.rs b/examples/blit-bitmap.rs new file mode 100644 index 0000000..1e0e47e --- /dev/null +++ b/examples/blit-bitmap.rs @@ -0,0 +1,33 @@ +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_ranged(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(()) +} |