resize

Simple resampling library in pure Rust.

Features:

• No dependencies, minimal abstractions
• No encoders/decoders, meant to be used with some external library
• Tuned for resizing to the same dimensions multiple times: uses preallocated buffers and matrixes
• Tuned to have result as close as possible to ImageMagick

Usage

extern crate resize;
use resize::Type::Triangle;
let mut src = vec![0;w1*h1];
let mut dst = vec![0;w2*h2];
let mut resizer = resize::new(w1, h1, w2, h2, Triangle);
resizer.run(&src, &mut dst);

See API documentation for overview of all available methods. See also this example. Comparision with IM for the same filter:

cd examples
../target/debug/examples/resize tiger.png 540x360 rust.png
convert tiger.png -filter Triangle -resize 540x360 im.png
compare rust.png im.png -compose src diff-rust-im.png

Comparision IM with libswscale:

ffmpeg -i tiger.png -vf scale=540:360:flags=bilinear sws.png
compare sws.png im.png -compose src diff-sws-im.png

License

• Library licensed under MIT
• Image used in examples licensed under CC BY-SA 3.0