mirror of
https://github.com/GoogleChromeLabs/squoosh.git
synced 2025-11-14 01:37:26 +00:00
Add support for PNG decoding (encoding still buggy)
This commit is contained in:
Surma
0
cli/.npmrc
Normal file
0
cli/.npmrc
Normal file
@@ -1,5 +1,5 @@
|
||||
import { promises as fsp } from "fs";
|
||||
import { instantiateEmscriptenWasm } from "./emscripten-utils.js";
|
||||
import { instantiateEmscriptenWasm, pathify } from "./emscripten-utils.js";
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||||
|
||||
// MozJPEG
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||||
import mozEnc from "../../codecs/mozjpeg/enc/mozjpeg_enc.js";
|
||||
@@ -19,6 +19,14 @@ import avifEncWasm from "asset-url:../../codecs/avif/enc/avif_enc.wasm";
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||||
import avifDec from "../../codecs/avif/dec/avif_dec.js";
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||||
import avifDecWasm from "asset-url:../../codecs/avif/dec/avif_dec.wasm";
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||||
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||||
// PNG
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||||
import pngEncDecInit, {
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||||
encode as pngEncode,
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decode as pngDecode
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||||
} from "../../codecs/png/pkg/squoosh_png.js";
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||||
import pngEncDecWasm from "asset-url:../../codecs/png/pkg/squoosh_png_bg.wasm";
|
||||
const pngEncDecPromise = pngEncDecInit(fsp.readFile(pathify(pngEncDecWasm)));
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||||
|
||||
// Our decoders currently rely on a `ImageData` global.
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||||
import ImageData from "./image_data.js";
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globalThis.ImageData = ImageData;
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@@ -114,5 +122,19 @@ export default {
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min: 0,
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max: 62
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}
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},
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||||
png: {
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||||
name: "PNG",
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||||
extension: "png",
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||||
detectors: [/^\x89PNG\x0D\x0A\x1A\x0A/],
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||||
dec: async () => {
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||||
await pngEncDecPromise;
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return { decode: (...args) => pngDecode(...args) };
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},
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enc: async () => {
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await pngEncDecPromise;
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return { encode: (...args) => new Uint8Array(pngEncode(...args)) };
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},
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defaultEncoderOptions: {}
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||||
}
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||||
};
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||||
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||||
@@ -1,10 +1,13 @@
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||||
export function instantiateEmscriptenWasm(factory, path) {
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||||
export function pathify(path) {
|
||||
if (path.startsWith("file://")) {
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||||
path = path.slice("file://".length);
|
||||
}
|
||||
return path;
|
||||
}
|
||||
export function instantiateEmscriptenWasm(factory, path) {
|
||||
return factory({
|
||||
locateFile() {
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||||
return path;
|
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return pathify(path);
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||||
}
|
||||
});
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}
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@@ -1,6 +1,11 @@
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export default class ImageData {
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constructor(data, width, height) {
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this.data = data;
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// Need to manually copy the memory as wasm-bindgen does not by default
|
||||
// and by the time we get control in JS land, the memory has already
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||||
// been corrupted.
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||||
// FIXME: This is bad because it’s overhead that we should only need
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||||
// to pay for Rust, not for C++.
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this.data = new Uint8ClampedArray(data);
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this.width = width;
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this.height = height;
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}
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1
codecs/png/.gitignore
vendored
Normal file
1
codecs/png/.gitignore
vendored
Normal file
@@ -0,0 +1 @@
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||||
/target
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||||
204
codecs/png/Cargo.lock
generated
Normal file
204
codecs/png/Cargo.lock
generated
Normal file
@@ -0,0 +1,204 @@
|
||||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
[[package]]
|
||||
name = "adler32"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "567b077b825e468cc974f0020d4082ee6e03132512f207ef1a02fd5d00d1f32d"
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "1.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
|
||||
|
||||
[[package]]
|
||||
name = "bumpalo"
|
||||
version = "3.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
|
||||
|
||||
[[package]]
|
||||
name = "byteorder"
|
||||
version = "1.3.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
|
||||
|
||||
[[package]]
|
||||
name = "cfg-if"
|
||||
version = "0.1.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
|
||||
|
||||
[[package]]
|
||||
name = "crc32fast"
|
||||
version = "1.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "deflate"
|
||||
version = "0.8.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "73770f8e1fe7d64df17ca66ad28994a0a623ea497fa69486e14984e715c5d174"
|
||||
dependencies = [
|
||||
"adler32",
|
||||
"byteorder",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "js-sys"
|
||||
version = "0.3.42"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "52732a3d3ad72c58ad2dc70624f9c17b46ecd0943b9a4f1ee37c4c18c5d983e2"
|
||||
dependencies = [
|
||||
"wasm-bindgen",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "lazy_static"
|
||||
version = "1.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
|
||||
|
||||
[[package]]
|
||||
name = "log"
|
||||
version = "0.4.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "miniz_oxide"
|
||||
version = "0.3.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
|
||||
dependencies = [
|
||||
"adler32",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "png"
|
||||
version = "0.16.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dfe7f9f1c730833200b134370e1d5098964231af8450bce9b78ee3ab5278b970"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"crc32fast",
|
||||
"deflate",
|
||||
"miniz_oxide",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
|
||||
dependencies = [
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "squoosh-png"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"log",
|
||||
"png",
|
||||
"wasm-bindgen",
|
||||
"web-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.34"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "936cae2873c940d92e697597c5eee105fb570cd5689c695806f672883653349b"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen"
|
||||
version = "0.2.65"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f3edbcc9536ab7eababcc6d2374a0b7bfe13a2b6d562c5e07f370456b1a8f33d"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"wasm-bindgen-macro",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-backend"
|
||||
version = "0.2.65"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "89ed2fb8c84bfad20ea66b26a3743f3e7ba8735a69fe7d95118c33ec8fc1244d"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"lazy_static",
|
||||
"log",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-macro"
|
||||
version = "0.2.65"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "eb071268b031a64d92fc6cf691715ca5a40950694d8f683c5bb43db7c730929e"
|
||||
dependencies = [
|
||||
"quote",
|
||||
"wasm-bindgen-macro-support",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-macro-support"
|
||||
version = "0.2.65"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cf592c807080719d1ff2f245a687cbadb3ed28b2077ed7084b47aba8b691f2c6"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"wasm-bindgen-backend",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-shared"
|
||||
version = "0.2.65"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "72b6c0220ded549d63860c78c38f3bcc558d1ca3f4efa74942c536ddbbb55e87"
|
||||
|
||||
[[package]]
|
||||
name = "web-sys"
|
||||
version = "0.3.42"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8be2398f326b7ba09815d0b403095f34dd708579220d099caae89be0b32137b2"
|
||||
dependencies = [
|
||||
"js-sys",
|
||||
"wasm-bindgen",
|
||||
]
|
||||
24
codecs/png/Cargo.toml
Normal file
24
codecs/png/Cargo.toml
Normal file
@@ -0,0 +1,24 @@
|
||||
[package]
|
||||
name = "squoosh-png"
|
||||
version = "0.1.0"
|
||||
authors = ["Surma <surma@surma.dev>"]
|
||||
edition = "2018"
|
||||
publish = false
|
||||
|
||||
[lib]
|
||||
crate-type = ["cdylib"]
|
||||
|
||||
[dependencies]
|
||||
png = "0.16.7"
|
||||
# wasm-bindgen 0.2.66+ emits Wasm using exported mutable globals,
|
||||
# which is a stage 4 feature and not well supported.
|
||||
# https://github.com/rustwasm/wasm-pack/issues/886
|
||||
wasm-bindgen = "=0.2.65"
|
||||
# Need to pin web-sys to 0.3.42, because newer versions depend
|
||||
# on newer versions of wasm-bindgen.
|
||||
web-sys = { version = "=0.3.42", features = ["ImageData"] }
|
||||
log = { version = "0.4", features = ["release_max_level_off"] }
|
||||
|
||||
[profile.release]
|
||||
lto = true
|
||||
opt-level = "s"
|
||||
4
codecs/png/package-lock.json
generated
Normal file
4
codecs/png/package-lock.json
generated
Normal file
@@ -0,0 +1,4 @@
|
||||
{
|
||||
"name": "oxipng",
|
||||
"lockfileVersion": 1
|
||||
}
|
||||
6
codecs/png/package.json
Normal file
6
codecs/png/package.json
Normal file
@@ -0,0 +1,6 @@
|
||||
{
|
||||
"name": "oxipng",
|
||||
"scripts": {
|
||||
"build": "../build-rust.sh rm -rf pkg && wasm-pack build --debug --target web -- --verbose --locked && rm pkg/.gitignore"
|
||||
}
|
||||
}
|
||||
15
codecs/png/pkg/package.json
Normal file
15
codecs/png/pkg/package.json
Normal file
@@ -0,0 +1,15 @@
|
||||
{
|
||||
"name": "squoosh-png",
|
||||
"collaborators": [
|
||||
"Surma <surma@surma.dev>"
|
||||
],
|
||||
"version": "0.1.0",
|
||||
"files": [
|
||||
"squoosh_png_bg.wasm",
|
||||
"squoosh_png.js",
|
||||
"squoosh_png.d.ts"
|
||||
],
|
||||
"module": "squoosh_png.js",
|
||||
"types": "squoosh_png.d.ts",
|
||||
"sideEffects": false
|
||||
}
|
||||
37
codecs/png/pkg/squoosh_png.d.ts
vendored
Normal file
37
codecs/png/pkg/squoosh_png.d.ts
vendored
Normal file
@@ -0,0 +1,37 @@
|
||||
/* tslint:disable */
|
||||
/* eslint-disable */
|
||||
/**
|
||||
* @param {Uint8Array} data
|
||||
* @param {number} width
|
||||
* @param {number} height
|
||||
* @returns {Uint8Array}
|
||||
*/
|
||||
export function encode(data: Uint8Array, width: number, height: number): Uint8Array;
|
||||
/**
|
||||
* @param {Uint8Array} data
|
||||
* @returns {ImageData}
|
||||
*/
|
||||
export function decode(data: Uint8Array): ImageData;
|
||||
|
||||
export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
|
||||
|
||||
export interface InitOutput {
|
||||
readonly memory: WebAssembly.Memory;
|
||||
readonly encode: (a: number, b: number, c: number, d: number, e: number) => void;
|
||||
readonly decode: (a: number, b: number) => number;
|
||||
readonly __wbindgen_malloc: (a: number) => number;
|
||||
readonly __wbindgen_realloc: (a: number, b: number, c: number) => number;
|
||||
readonly __wbindgen_free: (a: number, b: number) => void;
|
||||
readonly __wbindgen_exn_store: (a: number) => void;
|
||||
}
|
||||
|
||||
/**
|
||||
* If `module_or_path` is {RequestInfo} or {URL}, makes a request and
|
||||
* for everything else, calls `WebAssembly.instantiate` directly.
|
||||
*
|
||||
* @param {InitInput | Promise<InitInput>} module_or_path
|
||||
*
|
||||
* @returns {Promise<InitOutput>}
|
||||
*/
|
||||
export default function init (module_or_path?: InitInput | Promise<InitInput>): Promise<InitOutput>;
|
||||
|
||||
337
codecs/png/pkg/squoosh_png.js
Normal file
337
codecs/png/pkg/squoosh_png.js
Normal file
@@ -0,0 +1,337 @@
|
||||
|
||||
let wasm;
|
||||
|
||||
const heap = new Array(32).fill(undefined);
|
||||
|
||||
heap.push(undefined, null, true, false);
|
||||
|
||||
function getObject(idx) { return heap[idx]; }
|
||||
|
||||
let heap_next = heap.length;
|
||||
|
||||
function dropObject(idx) {
|
||||
if (idx < 36) return;
|
||||
heap[idx] = heap_next;
|
||||
heap_next = idx;
|
||||
}
|
||||
|
||||
function takeObject(idx) {
|
||||
const ret = getObject(idx);
|
||||
dropObject(idx);
|
||||
return ret;
|
||||
}
|
||||
|
||||
function debugString(val) {
|
||||
// primitive types
|
||||
const type = typeof val;
|
||||
if (type == 'number' || type == 'boolean' || val == null) {
|
||||
return `${val}`;
|
||||
}
|
||||
if (type == 'string') {
|
||||
return `"${val}"`;
|
||||
}
|
||||
if (type == 'symbol') {
|
||||
const description = val.description;
|
||||
if (description == null) {
|
||||
return 'Symbol';
|
||||
} else {
|
||||
return `Symbol(${description})`;
|
||||
}
|
||||
}
|
||||
if (type == 'function') {
|
||||
const name = val.name;
|
||||
if (typeof name == 'string' && name.length > 0) {
|
||||
return `Function(${name})`;
|
||||
} else {
|
||||
return 'Function';
|
||||
}
|
||||
}
|
||||
// objects
|
||||
if (Array.isArray(val)) {
|
||||
const length = val.length;
|
||||
let debug = '[';
|
||||
if (length > 0) {
|
||||
debug += debugString(val[0]);
|
||||
}
|
||||
for(let i = 1; i < length; i++) {
|
||||
debug += ', ' + debugString(val[i]);
|
||||
}
|
||||
debug += ']';
|
||||
return debug;
|
||||
}
|
||||
// Test for built-in
|
||||
const builtInMatches = /\[object ([^\]]+)\]/.exec(toString.call(val));
|
||||
let className;
|
||||
if (builtInMatches.length > 1) {
|
||||
className = builtInMatches[1];
|
||||
} else {
|
||||
// Failed to match the standard '[object ClassName]'
|
||||
return toString.call(val);
|
||||
}
|
||||
if (className == 'Object') {
|
||||
// we're a user defined class or Object
|
||||
// JSON.stringify avoids problems with cycles, and is generally much
|
||||
// easier than looping through ownProperties of `val`.
|
||||
try {
|
||||
return 'Object(' + JSON.stringify(val) + ')';
|
||||
} catch (_) {
|
||||
return 'Object';
|
||||
}
|
||||
}
|
||||
// errors
|
||||
if (val instanceof Error) {
|
||||
return `${val.name}: ${val.message}\n${val.stack}`;
|
||||
}
|
||||
// TODO we could test for more things here, like `Set`s and `Map`s.
|
||||
return className;
|
||||
}
|
||||
|
||||
let WASM_VECTOR_LEN = 0;
|
||||
|
||||
let cachegetUint8Memory0 = null;
|
||||
function getUint8Memory0() {
|
||||
if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
|
||||
cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
|
||||
}
|
||||
return cachegetUint8Memory0;
|
||||
}
|
||||
|
||||
let cachedTextEncoder = new TextEncoder('utf-8');
|
||||
|
||||
const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
|
||||
? function (arg, view) {
|
||||
return cachedTextEncoder.encodeInto(arg, view);
|
||||
}
|
||||
: function (arg, view) {
|
||||
const buf = cachedTextEncoder.encode(arg);
|
||||
view.set(buf);
|
||||
return {
|
||||
read: arg.length,
|
||||
written: buf.length
|
||||
};
|
||||
});
|
||||
|
||||
function passStringToWasm0(arg, malloc, realloc) {
|
||||
|
||||
if (typeof(arg) !== 'string') throw new Error('expected a string argument');
|
||||
|
||||
if (realloc === undefined) {
|
||||
const buf = cachedTextEncoder.encode(arg);
|
||||
const ptr = malloc(buf.length);
|
||||
getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
|
||||
WASM_VECTOR_LEN = buf.length;
|
||||
return ptr;
|
||||
}
|
||||
|
||||
let len = arg.length;
|
||||
let ptr = malloc(len);
|
||||
|
||||
const mem = getUint8Memory0();
|
||||
|
||||
let offset = 0;
|
||||
|
||||
for (; offset < len; offset++) {
|
||||
const code = arg.charCodeAt(offset);
|
||||
if (code > 0x7F) break;
|
||||
mem[ptr + offset] = code;
|
||||
}
|
||||
|
||||
if (offset !== len) {
|
||||
if (offset !== 0) {
|
||||
arg = arg.slice(offset);
|
||||
}
|
||||
ptr = realloc(ptr, len, len = offset + arg.length * 3);
|
||||
const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
|
||||
const ret = encodeString(arg, view);
|
||||
if (ret.read !== arg.length) throw new Error('failed to pass whole string');
|
||||
offset += ret.written;
|
||||
}
|
||||
|
||||
WASM_VECTOR_LEN = offset;
|
||||
return ptr;
|
||||
}
|
||||
|
||||
let cachegetInt32Memory0 = null;
|
||||
function getInt32Memory0() {
|
||||
if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
|
||||
cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
|
||||
}
|
||||
return cachegetInt32Memory0;
|
||||
}
|
||||
|
||||
let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
|
||||
|
||||
cachedTextDecoder.decode();
|
||||
|
||||
function getStringFromWasm0(ptr, len) {
|
||||
return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
|
||||
}
|
||||
|
||||
function passArray8ToWasm0(arg, malloc) {
|
||||
const ptr = malloc(arg.length * 1);
|
||||
getUint8Memory0().set(arg, ptr / 1);
|
||||
WASM_VECTOR_LEN = arg.length;
|
||||
return ptr;
|
||||
}
|
||||
|
||||
function _assertNum(n) {
|
||||
if (typeof(n) !== 'number') throw new Error('expected a number argument');
|
||||
}
|
||||
|
||||
function getArrayU8FromWasm0(ptr, len) {
|
||||
return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
|
||||
}
|
||||
/**
|
||||
* @param {Uint8Array} data
|
||||
* @param {number} width
|
||||
* @param {number} height
|
||||
* @returns {Uint8Array}
|
||||
*/
|
||||
export function encode(data, width, height) {
|
||||
var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
|
||||
var len0 = WASM_VECTOR_LEN;
|
||||
_assertNum(width);
|
||||
_assertNum(height);
|
||||
wasm.encode(8, ptr0, len0, width, height);
|
||||
var r0 = getInt32Memory0()[8 / 4 + 0];
|
||||
var r1 = getInt32Memory0()[8 / 4 + 1];
|
||||
var v1 = getArrayU8FromWasm0(r0, r1).slice();
|
||||
wasm.__wbindgen_free(r0, r1 * 1);
|
||||
return v1;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {Uint8Array} data
|
||||
* @returns {ImageData}
|
||||
*/
|
||||
export function decode(data) {
|
||||
var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
|
||||
var len0 = WASM_VECTOR_LEN;
|
||||
var ret = wasm.decode(ptr0, len0);
|
||||
return takeObject(ret);
|
||||
}
|
||||
|
||||
let cachegetUint8ClampedMemory0 = null;
|
||||
function getUint8ClampedMemory0() {
|
||||
if (cachegetUint8ClampedMemory0 === null || cachegetUint8ClampedMemory0.buffer !== wasm.memory.buffer) {
|
||||
cachegetUint8ClampedMemory0 = new Uint8ClampedArray(wasm.memory.buffer);
|
||||
}
|
||||
return cachegetUint8ClampedMemory0;
|
||||
}
|
||||
|
||||
function getClampedArrayU8FromWasm0(ptr, len) {
|
||||
return getUint8ClampedMemory0().subarray(ptr / 1, ptr / 1 + len);
|
||||
}
|
||||
|
||||
function addHeapObject(obj) {
|
||||
if (heap_next === heap.length) heap.push(heap.length + 1);
|
||||
const idx = heap_next;
|
||||
heap_next = heap[idx];
|
||||
|
||||
if (typeof(heap_next) !== 'number') throw new Error('corrupt heap');
|
||||
|
||||
heap[idx] = obj;
|
||||
return idx;
|
||||
}
|
||||
|
||||
function handleError(f) {
|
||||
return function () {
|
||||
try {
|
||||
return f.apply(this, arguments);
|
||||
|
||||
} catch (e) {
|
||||
wasm.__wbindgen_exn_store(addHeapObject(e));
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function logError(f) {
|
||||
return function () {
|
||||
try {
|
||||
return f.apply(this, arguments);
|
||||
|
||||
} catch (e) {
|
||||
let error = (function () {
|
||||
try {
|
||||
return e instanceof Error ? `${e.message}\n\nStack:\n${e.stack}` : e.toString();
|
||||
} catch(_) {
|
||||
return "<failed to stringify thrown value>";
|
||||
}
|
||||
}());
|
||||
console.error("wasm-bindgen: imported JS function that was not marked as `catch` threw an error:", error);
|
||||
throw e;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
async function load(module, imports) {
|
||||
if (typeof Response === 'function' && module instanceof Response) {
|
||||
|
||||
if (typeof WebAssembly.instantiateStreaming === 'function') {
|
||||
try {
|
||||
return await WebAssembly.instantiateStreaming(module, imports);
|
||||
|
||||
} catch (e) {
|
||||
if (module.headers.get('Content-Type') != 'application/wasm') {
|
||||
console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
|
||||
|
||||
} else {
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const bytes = await module.arrayBuffer();
|
||||
return await WebAssembly.instantiate(bytes, imports);
|
||||
|
||||
} else {
|
||||
|
||||
const instance = await WebAssembly.instantiate(module, imports);
|
||||
|
||||
if (instance instanceof WebAssembly.Instance) {
|
||||
return { instance, module };
|
||||
|
||||
} else {
|
||||
return instance;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
async function init(input) {
|
||||
if (typeof input === 'undefined') {
|
||||
input = import.meta.url.replace(/\.js$/, '_bg.wasm');
|
||||
}
|
||||
const imports = {};
|
||||
imports.wbg = {};
|
||||
imports.wbg.__wbg_newwithu8clampedarrayandsh_d46fa191b076edfe = handleError(function(arg0, arg1, arg2, arg3) {
|
||||
var ret = new ImageData(getClampedArrayU8FromWasm0(arg0, arg1), arg2 >>> 0, arg3 >>> 0);
|
||||
return addHeapObject(ret);
|
||||
});
|
||||
imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
|
||||
takeObject(arg0);
|
||||
};
|
||||
imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
|
||||
var ret = debugString(getObject(arg1));
|
||||
var ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
|
||||
var len0 = WASM_VECTOR_LEN;
|
||||
getInt32Memory0()[arg0 / 4 + 1] = len0;
|
||||
getInt32Memory0()[arg0 / 4 + 0] = ptr0;
|
||||
};
|
||||
imports.wbg.__wbindgen_throw = function(arg0, arg1) {
|
||||
throw new Error(getStringFromWasm0(arg0, arg1));
|
||||
};
|
||||
|
||||
if (typeof input === 'string' || (typeof Request === 'function' && input instanceof Request) || (typeof URL === 'function' && input instanceof URL)) {
|
||||
input = fetch(input);
|
||||
}
|
||||
|
||||
const { instance, module } = await load(await input, imports);
|
||||
|
||||
wasm = instance.exports;
|
||||
init.__wbindgen_wasm_module = module;
|
||||
|
||||
return wasm;
|
||||
}
|
||||
|
||||
export default init;
|
||||
|
||||
9
codecs/png/pkg/squoosh_png_bg.d.ts
vendored
Normal file
9
codecs/png/pkg/squoosh_png_bg.d.ts
vendored
Normal file
@@ -0,0 +1,9 @@
|
||||
/* tslint:disable */
|
||||
/* eslint-disable */
|
||||
export const memory: WebAssembly.Memory;
|
||||
export function encode(a: number, b: number, c: number, d: number, e: number): void;
|
||||
export function decode(a: number, b: number): number;
|
||||
export function __wbindgen_malloc(a: number): number;
|
||||
export function __wbindgen_realloc(a: number, b: number, c: number): number;
|
||||
export function __wbindgen_free(a: number, b: number): void;
|
||||
export function __wbindgen_exn_store(a: number): void;
|
||||
BIN
codecs/png/pkg/squoosh_png_bg.wasm
Normal file
BIN
codecs/png/pkg/squoosh_png_bg.wasm
Normal file
Binary file not shown.
47
codecs/png/src/lib.rs
Normal file
47
codecs/png/src/lib.rs
Normal file
@@ -0,0 +1,47 @@
|
||||
use std::io::Cursor;
|
||||
|
||||
use wasm_bindgen::prelude::*;
|
||||
use web_sys::ImageData;
|
||||
|
||||
#[wasm_bindgen(catch)]
|
||||
pub fn encode(data: &[u8], width: u32, height: u32) -> Vec<u8> {
|
||||
let mut buffer = Cursor::new(Vec::<u8>::new());
|
||||
|
||||
{
|
||||
let mut encoder = png::Encoder::new(&mut buffer, width, height);
|
||||
encoder.set_color(png::ColorType::RGBA);
|
||||
encoder.set_depth(png::BitDepth::Eight);
|
||||
let mut writer = encoder.write_header().unwrap();
|
||||
writer.write_image_data(data).unwrap();
|
||||
}
|
||||
|
||||
buffer.into_inner()
|
||||
}
|
||||
|
||||
#[wasm_bindgen(catch)]
|
||||
pub fn decode(data: &[u8]) -> ImageData {
|
||||
let mut decoder = png::Decoder::new(Cursor::new(data));
|
||||
decoder.set_transformations(png::Transformations::EXPAND);
|
||||
let (info, mut reader) = decoder.read_info().unwrap();
|
||||
let num_pixels = (info.width * info.height) as usize;
|
||||
let mut buf = vec![0; num_pixels * 4];
|
||||
reader.next_frame(&mut buf).unwrap();
|
||||
|
||||
// Transformations::EXPAND will make sure color_type is either
|
||||
// RGBA or RGB. If it’s RGB, we need inject an alpha channel.
|
||||
if info.color_type == png::ColorType::RGB {
|
||||
for i in (0..num_pixels).rev() {
|
||||
buf[i * 4 + 0] = buf[i * 3 + 0];
|
||||
buf[i * 4 + 1] = buf[i * 3 + 1];
|
||||
buf[i * 4 + 2] = buf[i * 3 + 2];
|
||||
buf[i * 4 + 3] = 255;
|
||||
}
|
||||
}
|
||||
|
||||
ImageData::new_with_u8_clamped_array_and_sh(
|
||||
wasm_bindgen::Clamped(&mut buf),
|
||||
info.width,
|
||||
info.height,
|
||||
)
|
||||
.unwrap()
|
||||
}
|
||||
Reference in New Issue
Block a user