add wasm qr decode
This commit is contained in:
517
deno_wasm_qr/decodeqr/Cargo.lock
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517
deno_wasm_qr/decodeqr/Cargo.lock
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||||||
|
name = "object"
|
||||||
|
version = "0.19.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9cbca9424c482ee628fa549d9c812e2cd22f1180b9222c9200fdfa6eb31aecb2"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "png"
|
||||||
|
version = "0.15.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ef859a23054bbfee7811284275ae522f0434a3c8e7f4b74bd4a35ae7e1c4a283"
|
||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"crc32fast",
|
||||||
|
"deflate",
|
||||||
|
"inflate",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "0.4.30"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-xid 0.1.0",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "1.0.17"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1502d12e458c49a4c9cbff560d0fe0060c252bc29799ed94ca2ed4bb665a0101"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-xid 0.2.0",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "0.6.13"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2 0.4.30",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "54a21852a652ad6f610c9510194f398ff6f8692e334fd1145fed931f7fbe44ea"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2 1.0.17",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rayon"
|
||||||
|
version = "1.3.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "db6ce3297f9c85e16621bb8cca38a06779ffc31bb8184e1be4bed2be4678a098"
|
||||||
|
dependencies = [
|
||||||
|
"crossbeam-deque",
|
||||||
|
"either",
|
||||||
|
"rayon-core",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rayon-core"
|
||||||
|
version = "1.7.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "08a89b46efaf957e52b18062fb2f4660f8b8a4dde1807ca002690868ef2c85a9"
|
||||||
|
dependencies = [
|
||||||
|
"crossbeam-deque",
|
||||||
|
"crossbeam-queue",
|
||||||
|
"crossbeam-utils",
|
||||||
|
"lazy_static",
|
||||||
|
"num_cpus",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rustc-demangle"
|
||||||
|
version = "0.1.16"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rustc_version"
|
||||||
|
version = "0.1.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c5f5376ea5e30ce23c03eb77cbe4962b988deead10910c372b226388b594c084"
|
||||||
|
dependencies = [
|
||||||
|
"semver",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "scoped_threadpool"
|
||||||
|
version = "0.1.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "scopeguard"
|
||||||
|
version = "1.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "semver"
|
||||||
|
version = "0.1.20"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d4f410fedcf71af0345d7607d246e7ad15faaadd49d240ee3b24e5dc21a820ac"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "0.15.44"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2 0.4.30",
|
||||||
|
"quote 0.6.13",
|
||||||
|
"unicode-xid 0.1.0",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "1.0.23"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "95b5f192649e48a5302a13f2feb224df883b98933222369e4b3b0fe2a5447269"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2 1.0.17",
|
||||||
|
"quote 1.0.6",
|
||||||
|
"unicode-xid 0.2.0",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "synstructure"
|
||||||
|
version = "0.12.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2 1.0.17",
|
||||||
|
"quote 1.0.6",
|
||||||
|
"syn 1.0.23",
|
||||||
|
"unicode-xid 0.2.0",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tiff"
|
||||||
|
version = "0.3.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d7b7c2cfc4742bd8a32f2e614339dd8ce30dbcf676bb262bd63a2327bc5df57d"
|
||||||
|
dependencies = [
|
||||||
|
"byteorder",
|
||||||
|
"lzw",
|
||||||
|
"num-derive",
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-xid"
|
||||||
|
version = "0.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-xid"
|
||||||
|
version = "0.2.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
|
||||||
18
deno_wasm_qr/decodeqr/Cargo.toml
Normal file
18
deno_wasm_qr/decodeqr/Cargo.toml
Normal file
@@ -0,0 +1,18 @@
|
|||||||
|
[package]
|
||||||
|
name = "decodeqr"
|
||||||
|
version = "0.1.0"
|
||||||
|
authors = ["Hatter Jiang <jht5945@gmail.com>"]
|
||||||
|
edition = "2018"
|
||||||
|
|
||||||
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
[lib]
|
||||||
|
crate-type =["cdylib"]
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
bardecoder = "0.2.2"
|
||||||
|
image = "0.22"
|
||||||
|
|
||||||
|
[profile.release]
|
||||||
|
lto = true
|
||||||
|
#opt-level = 'z'
|
||||||
1
deno_wasm_qr/decodeqr/build.sh
Normal file
1
deno_wasm_qr/decodeqr/build.sh
Normal file
@@ -0,0 +1 @@
|
|||||||
|
cargo build --target wasm32-unknown-unknown
|
||||||
25
deno_wasm_qr/decodeqr/src/lib.rs
Normal file
25
deno_wasm_qr/decodeqr/src/lib.rs
Normal file
@@ -0,0 +1,25 @@
|
|||||||
|
use std::ffi::CString;
|
||||||
|
use std::os::raw::c_char;
|
||||||
|
|
||||||
|
pub const SAMPLE_QR_BYTES: &[u8] = std::include_bytes!("sample_qr.png");
|
||||||
|
|
||||||
|
#[no_mangle]
|
||||||
|
pub extern "C" fn parse_default_qr() -> *mut c_char {
|
||||||
|
let s = CString::new(parse_qr()).unwrap();
|
||||||
|
s.into_raw()
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn parse_qr() -> String {
|
||||||
|
let img = image::load_from_memory(SAMPLE_QR_BYTES).unwrap();
|
||||||
|
|
||||||
|
let decoder = bardecoder::default_decoder();
|
||||||
|
|
||||||
|
let mut ret = vec![];
|
||||||
|
let results = decoder.decode(&img);
|
||||||
|
for result in results {
|
||||||
|
let qr = result.unwrap();
|
||||||
|
println!("{}", qr);
|
||||||
|
ret.push(qr);
|
||||||
|
}
|
||||||
|
ret.join(",")
|
||||||
|
}
|
||||||
BIN
deno_wasm_qr/decodeqr/src/sample_qr.png
Normal file
BIN
deno_wasm_qr/decodeqr/src/sample_qr.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 5.8 KiB |
14
deno_wasm_qr/parse_qr.ts
Normal file
14
deno_wasm_qr/parse_qr.ts
Normal file
@@ -0,0 +1,14 @@
|
|||||||
|
const wasmCode = await Deno.readFile("./decodeqr/target/wasm32-unknown-unknown/release/decodeqr.wasm");
|
||||||
|
const wasmModule = new WebAssembly.Module(wasmCode);
|
||||||
|
const wasmInstance = new WebAssembly.Instance(wasmModule);
|
||||||
|
|
||||||
|
const linearMemory = wasmInstance.exports.memory;
|
||||||
|
|
||||||
|
function readString(memory, ptr) {
|
||||||
|
const mem = new Uint8Array(memory.buffer, ptr);
|
||||||
|
let length;
|
||||||
|
for (length = 0; mem[length] !== 0; length ++);
|
||||||
|
return new TextDecoder("utf-8").decode(new Uint8Array(mem.buffer, ptr, length));
|
||||||
|
}
|
||||||
|
|
||||||
|
console.log(readString(linearMemory, wasmInstance.exports.parse_default_qr()));
|
||||||
Reference in New Issue
Block a user