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Diffstat (limited to 'examples/example.rs')
-rw-r--r-- | examples/example.rs | 15 |
1 files changed, 15 insertions, 0 deletions
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) +} |