5 releases
0.1.4 | Oct 29, 2024 |
---|---|
0.1.3 | Oct 26, 2024 |
0.1.2 | Oct 20, 2024 |
0.1.1 | Oct 20, 2024 |
0.1.0 | Oct 17, 2024 |
#245 in Images
23 downloads per month
290KB
5.5K
SLoC
Fast and safe image scaling in Rust
This crate provides zero unsafe
fast rescaling.
Example
let img = ImageReader::open("./assets/nasa-4928x3279.png")
.unwrap()
.decode()
.unwrap();
let dimensions = img.dimensions();
let transient = img.to_rgb8();
let src_size = ImageSize::new(dimensions.0 as usize, dimensions.1 as usize);
let dst_size = ImageSize::new(dimensions.0 as usize / 4, dimensions.1 as usize / 4);
let resized = resize_rgb8(&transient, src_size, dst_size,
ResamplingFunction::Lanczos3).unwrap();
Example comparison time for downscale RGBA 4928x3279 8 bit
image in 4 times.
cargo bench --bench resize_rgba --manifest-path ./app/Cargo.toml
Lanczos3 | Bilinear | |
---|---|---|
image(aarch64) | 121.19 | 48.89 |
pic-scale(aarch64) | 11.89 | 8.92 |
fir(aarch64) | 25.89 | 11.30 |
image(x86) | 192.52 | 88.63 |
pic-scale(x86) | 25.50 | 18.37 |
fir(x86) | 42.89 | 24.13 |
image(x86-cpu-native) | 205.64 | 89.02 |
pic-scale(x86-cpu-native) | 14.39 | 11.31 |
fir(x86-cpu-native) | 41.21 | 22.77 |
Example comparison time for downscale RGB 4928x3279 8 bit
image in 4 times.
cargo bench --bench resize_rgb --manifest-path ./app/Cargo.toml
Lanczos3 | Bilinear | |
---|---|---|
image(aarch64) | 123.85 | 51.30 |
pic-scale(aarch64) | 17.23 | 12.32 |
fir(aarch64) | 23.61 | 10.53 |
image(x86) | 201.52 | 90.82 |
pic-scale(x86) | 27.17 | 21.08 |
fir(x86) | 41.97 | 24.39 |
image(x86-cpu-native) | 184.57 | 84.69 |
pic-scale(x86-cpu-native) | 20.96 | 15.16 |
fir(x86-cpu-native) | 41.49 | 20.38 |
Example comparison time for downscale RGBA 4928x3279 16 bit
image in 4 times.
cargo bench --bench resize_rgba_u16 --manifest-path ./app/Cargo.toml
Lanczos3 | Bilinear | |
---|---|---|
image(aarch64) | 262.32 | 76.91 |
pic-scale(aarch64) | 15.49 | 11.38 |
fir(aarch64) | 141.78 | 50.08 |
image(x86) | 196.28 | 107.78 |
pic-scale(x86) | 57.48 | 50.85 |
fir(x86) | 139.56 | 58.48 |
image(x86-cpu-native) | 192.85 | 102.05 |
pic-scale(x86-cpu-native) | 39.60 | 46.44 |
fir(x86-cpu-native) | 101.48 | 52.58 |
Example comparison time for downscale RGB 4928x3279 16 bit
image in 4 times.
cargo bench --bench resize_rgb_u16 --manifest-path ./app/Cargo.toml
Lanczos3 | Bilinear | |
---|---|---|
image(aarch64) | 130.45 | 57.38 |
pic-scale(aarch64) | 16.17 | 12.11 |
fir(aarch64) | 110.06 | 42.04 |
image(x86) | 204.10 | 148.34 |
pic-scale(x86) | 43.21 | 145.73 |
fir(x86) | 210.28 | 51.29 |
image(x86-cpu-native) | 190.21 | 98.42 |
pic-scale(x86-cpu-native) | 33.48 | 28.50 |
fir(x86-cpu-native) | 72.88 | 45.17 |
Example comparison time for downscale RGBA 4928x3279 f32
image in 4 times.
cargo bench --bench resize_rgba_f32 --manifest-path ./app/Cargo.toml
Lanczos3 | Bilinear | |
---|---|---|
image(aarch64) | 100.16 | 50.09 |
pic-scale(aarch64) | 14.07 | 11.18 |
fir(aarch64) | 105.30 | 37.75 |
image(x86) | 208.25 | 107.84 |
pic-scale(x86) | 33.55 | 28.97 |
fir(x86) | 92.38 | 74.12 |
image(x86-cpu-native) | 162.83 | 108.54 |
pic-scale(x86-cpu-native) | 33.13 | 28.54 |
fir(x86-cpu-native) | 56.65 | 59.96 |
This project is licensed under either of
at your option.
Dependencies
~93–415KB