From 021e276598b44d31fc5b90ea145f3b80e97d6e22 Mon Sep 17 00:00:00 2001 From: pommicket Date: Mon, 4 Sep 2023 21:58:01 -0400 Subject: finish documentation --- examples/example.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 examples/example.rs (limited to 'examples/example.rs') diff --git a/examples/example.rs b/examples/example.rs new file mode 100644 index 0000000..3ef5e0d --- /dev/null +++ b/examples/example.rs @@ -0,0 +1,15 @@ +fn main() { + let mut png = &include_bytes!("image.png")[..]; + let header = tiny_png::read_png_header(&mut png).expect("bad PNG"); + println!("need {} bytes of memory", header.required_bytes()); + let mut buffer = vec![0; header.required_bytes()]; + let image = tiny_png::read_png(&mut png, Some(&header), &mut buffer).expect("bad PNG"); + assert!(png.is_empty(), "extra data after PNG image end"); + println!("{}×{} image", image.width(), image.height()); + let pixels = image.pixels(); + println!( + "top-left pixel is #{:02x}{:02x}{:02x}", + pixels[0], pixels[1], pixels[2] + ); + // (^ this only makes sense for RGB 8bpc images) +} -- cgit v1.2.3