Image is now mapped to a pixel-identical image

This commit is contained in:
Pyrex 2024-04-07 15:49:37 -07:00
parent d04ec371d9
commit 5c70367116
4 changed files with 147 additions and 2 deletions

113
Cargo.lock generated
View File

@ -8,6 +8,15 @@ version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
[[package]]
name = "aho-corasick"
version = "1.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
dependencies = [
"memchr",
]
[[package]]
name = "bitflags"
version = "1.3.2"
@ -29,6 +38,16 @@ dependencies = [
"cfg-if",
]
[[package]]
name = "env_logger"
version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a19187fea3ac7e84da7dacf48de0c45d63c6a76f9490dae389aead16c243fce3"
dependencies = [
"log",
"regex",
]
[[package]]
name = "fdeflate"
version = "0.3.4"
@ -48,6 +67,35 @@ dependencies = [
"miniz_oxide",
]
[[package]]
name = "getrandom"
version = "0.2.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a06fddc2749e0528d2813f95e050e87e52c8cbbae56223b9babf73b3e53b0cc6"
dependencies = [
"cfg-if",
"libc",
"wasi",
]
[[package]]
name = "libc"
version = "0.2.153"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
[[package]]
name = "log"
version = "0.4.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
[[package]]
name = "memchr"
version = "2.7.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d"
[[package]]
name = "miniz_oxide"
version = "0.7.2"
@ -71,11 +119,70 @@ dependencies = [
"miniz_oxide",
]
[[package]]
name = "quickcheck"
version = "1.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "588f6378e4dd99458b60ec275b4477add41ce4fa9f64dcba6f15adccb19b50d6"
dependencies = [
"env_logger",
"log",
"rand",
]
[[package]]
name = "rand"
version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
dependencies = [
"rand_core",
]
[[package]]
name = "rand_core"
version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
dependencies = [
"getrandom",
]
[[package]]
name = "regex"
version = "1.10.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c117dbdfde9c8308975b6a18d71f3f385c89461f7b3fb054288ecf2a2058ba4c"
dependencies = [
"aho-corasick",
"memchr",
"regex-automata",
"regex-syntax",
]
[[package]]
name = "regex-automata"
version = "0.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "86b83b8b9847f9bf95ef68afb0b8e6cdb80f498442f5179a29fad448fcc1eaea"
dependencies = [
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"memchr",
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "adad44e29e4c806119491a7f06f03de4d1af22c3a680dd47f1e6e179439d1f56"
[[package]]
name = "rximg"
version = "0.1.0"
dependencies = [
"png",
"quickcheck",
]
[[package]]
@ -83,3 +190,9 @@ name = "simd-adler32"
version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"

View File

@ -7,3 +7,4 @@ edition = "2021"
[dependencies]
png = "0.17.13"
quickcheck = "1.0.3"

View File

@ -70,7 +70,7 @@ fn save_image(width: usize, height: usize, image: Vec<Vec<u8>>) {
assert_eq!(image.len(), 3);
let mut encoder = png::Encoder::new(
File::create("outputs/avatar2.png").unwrap(),
File::create("outputs/avatar2_out.png").unwrap(),
width as u32, height as u32,
);
encoder.set_color(ColorType::Rgb);

View File

@ -37,4 +37,35 @@ fn transform(data: &mut [i32], zero: usize, stride: usize, divisor: i32) {
for i in 0..TILE_SZ {
data[ix(GRAY[i])] = row[i] / divisor;
}
}
}
#[cfg(test)]
mod tests {
use quickcheck::{quickcheck, Arbitrary};
use crate::{constants::TILE_SZ, transform::{decode, encode}};
#[derive(Clone, Debug)]
struct Encodable { args: [i32; TILE_SZ] }
impl Arbitrary for Encodable {
fn arbitrary(g: &mut quickcheck::Gen) -> Self {
let mut args = [0; TILE_SZ];
for i in 0..TILE_SZ {
args[i] = i16::arbitrary(g) as i32;
}
return Encodable { args };
}
}
quickcheck! {
fn reversible(xs: Encodable) -> bool {
let orig = xs.args;
let mut enc = orig.clone();
encode(&mut enc, 0, 1);
let mut dec = enc.clone();
decode(&mut dec, 0, 1);
orig == dec
}
}
}