344 lines
8.4 KiB
JavaScript
344 lines
8.4 KiB
JavaScript
let wasm;
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const heap = new Array(32).fill(undefined);
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heap.push(undefined, null, true, false);
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function getObject(idx) {
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return heap[idx];
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}
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let heap_next = heap.length;
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function dropObject(idx) {
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if (idx < 36) return;
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heap[idx] = heap_next;
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heap_next = idx;
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}
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function takeObject(idx) {
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const ret = getObject(idx);
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dropObject(idx);
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return ret;
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}
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const cachedTextDecoder = new TextDecoder('utf-8', {
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ignoreBOM: true,
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fatal: true
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});
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cachedTextDecoder.decode();
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let cachegetUint8Memory0 = null;
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function getUint8Memory0() {
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if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
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cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
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}
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return cachegetUint8Memory0;
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}
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function getStringFromWasm0(ptr, len) {
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return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
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}
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let cachegetInt32Memory0 = null;
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function getInt32Memory0() {
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if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
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cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
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}
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return cachegetInt32Memory0;
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}
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function getArrayU8FromWasm0(ptr, len) {
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return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
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}
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let WASM_VECTOR_LEN = 0;
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function passArray8ToWasm0(arg, malloc) {
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const ptr = malloc(arg.length * 1);
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getUint8Memory0().set(arg, ptr / 1);
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WASM_VECTOR_LEN = arg.length;
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return ptr;
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}
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/**
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* @param {Uint8Array} bytes
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* @returns {ImageData}
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*/
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function decode_qoi(bytes) {
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try {
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const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
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const ptr0 = passArray8ToWasm0(bytes, wasm.__wbindgen_malloc);
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const len0 = WASM_VECTOR_LEN;
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wasm.decode_qoi(retptr, ptr0, len0);
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var r0 = getInt32Memory0()[retptr / 4 + 0];
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var r1 = getInt32Memory0()[retptr / 4 + 1];
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var r2 = getInt32Memory0()[retptr / 4 + 2];
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if (r2) {
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throw takeObject(r1);
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}
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return takeObject(r0);
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} finally {
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wasm.__wbindgen_add_to_stack_pointer(16);
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}
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}
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function addHeapObject(obj) {
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if (heap_next === heap.length) heap.push(heap.length + 1);
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const idx = heap_next;
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heap_next = heap[idx];
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heap[idx] = obj;
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return idx;
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}
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const cachedTextEncoder = new TextEncoder('utf-8');
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const encodeString = (typeof cachedTextEncoder.encodeInto === 'function' ?
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function(arg, view) {
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return cachedTextEncoder.encodeInto(arg, view);
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} :
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function(arg, view) {
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const buf = cachedTextEncoder.encode(arg);
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view.set(buf);
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return {
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read: arg.length,
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written: buf.length
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};
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});
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function passStringToWasm0(arg, malloc, realloc) {
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if (realloc === undefined) {
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const buf = cachedTextEncoder.encode(arg);
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const ptr = malloc(buf.length);
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getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
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WASM_VECTOR_LEN = buf.length;
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return ptr;
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}
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let len = arg.length;
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let ptr = malloc(len);
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const mem = getUint8Memory0();
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let offset = 0;
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for (; offset < len; offset++) {
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const code = arg.charCodeAt(offset);
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if (code > 0x7F) break;
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mem[ptr + offset] = code;
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}
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if (offset !== len) {
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if (offset !== 0) {
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arg = arg.slice(offset);
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}
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ptr = realloc(ptr, len, len = offset + arg.length * 3);
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const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
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const ret = encodeString(arg, view);
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offset += ret.written;
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}
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WASM_VECTOR_LEN = offset;
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return ptr;
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}
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let cachegetUint8ClampedMemory0 = null;
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function getUint8ClampedMemory0() {
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if (cachegetUint8ClampedMemory0 === null || cachegetUint8ClampedMemory0.buffer !== wasm.memory.buffer) {
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cachegetUint8ClampedMemory0 = new Uint8ClampedArray(wasm.memory.buffer);
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}
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return cachegetUint8ClampedMemory0;
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}
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function getClampedArrayU8FromWasm0(ptr, len) {
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return getUint8ClampedMemory0().subarray(ptr / 1, ptr / 1 + len);
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}
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function handleError(f, args) {
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try {
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return f.apply(this, args);
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} catch (e) {
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wasm.__wbindgen_exn_store(addHeapObject(e));
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}
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}
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/**
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*/
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class QoiImage {
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static __wrap(ptr) {
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const obj = Object.create(QoiImage.prototype);
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obj.ptr = ptr;
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return obj;
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}
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__destroy_into_raw() {
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const ptr = this.ptr;
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this.ptr = 0;
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return ptr;
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}
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free() {
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const ptr = this.__destroy_into_raw();
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wasm.__wbg_qoiimage_free(ptr);
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}
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/**
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*/
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constructor() {
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const ret = wasm.qoiimage_new();
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return QoiImage.__wrap(ret);
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}
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/**
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* @returns {number}
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*/
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get_width() {
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const ret = wasm.qoiimage_get_width(this.ptr);
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return ret >>> 0;
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}
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/**
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* @returns {number}
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*/
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get_height() {
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const ret = wasm.qoiimage_get_height(this.ptr);
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return ret >>> 0;
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}
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/**
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* @returns {number}
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*/
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get_channels() {
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const ret = wasm.qoiimage_get_channels(this.ptr);
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return ret;
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}
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/**
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* @returns {Uint8Array}
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*/
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get_bytes() {
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try {
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const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
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wasm.qoiimage_get_bytes(retptr, this.ptr);
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var r0 = getInt32Memory0()[retptr / 4 + 0];
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var r1 = getInt32Memory0()[retptr / 4 + 1];
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var v0 = getArrayU8FromWasm0(r0, r1).slice();
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wasm.__wbindgen_free(r0, r1 * 1);
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return v0;
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} finally {
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wasm.__wbindgen_add_to_stack_pointer(16);
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}
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}
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}
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async function load(module, imports) {
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if (typeof Response === 'function' && module instanceof Response) {
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const bytes = await module.arrayBuffer();
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return await WebAssembly.instantiate(bytes, imports);
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} else {
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const instance = await WebAssembly.instantiate(module, imports);
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if (instance instanceof WebAssembly.Instance) {
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return {
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instance,
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module
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};
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} else {
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return instance;
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}
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}
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}
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async function init(input) {
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if (typeof input === 'undefined') {
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input = path + 'core/decoders/qoi/qoi_viewer_bg.wasm';
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}
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const imports = {};
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imports.wbg = {};
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imports.wbg.__wbg_new_693216e109162396 = function() {
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const ret = new Error();
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return addHeapObject(ret);
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};
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imports.wbg.__wbg_stack_0ddaca5d1abfb52f = function(arg0, arg1) {
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const ret = getObject(arg1).stack;
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const ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
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const len0 = WASM_VECTOR_LEN;
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getInt32Memory0()[arg0 / 4 + 1] = len0;
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getInt32Memory0()[arg0 / 4 + 0] = ptr0;
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};
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imports.wbg.__wbg_error_09919627ac0992f5 = function(arg0, arg1) {
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try {
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console.error(getStringFromWasm0(arg0, arg1));
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} finally {
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wasm.__wbindgen_free(arg0, arg1);
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}
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};
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imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
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takeObject(arg0);
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};
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imports.wbg.__wbg_newwithu8clampedarrayandsh_87d2f0a48030f922 = function() {
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return handleError(function(arg0, arg1, arg2, arg3) {
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const ret = new ImageData(getClampedArrayU8FromWasm0(arg0, arg1), arg2 >>> 0, arg3 >>> 0);
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return addHeapObject(ret);
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}, arguments)
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};
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imports.wbg.__wbindgen_throw = function(arg0, arg1) {
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throw new Error(getStringFromWasm0(arg0, arg1));
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};
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if (typeof input === 'string' || (typeof Request === 'function' && input instanceof Request) || (typeof URL === 'function' && input instanceof URL)) {
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input = fetch(input);
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}
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const {
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instance,
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module
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} = await load(await input, imports);
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wasm = instance.exports;
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init.__wbindgen_wasm_module = module;
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return wasm;
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}
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var path;
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async function run() {
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self.addEventListener('message', async function(evt) {
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if (evt.data.path) {
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path = evt.data.path;
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await init();
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//Send message that worker is ready
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self.postMessage({
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result: 1
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})
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} else if (evt.data.freemem) {
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evt.data.freemem = null;
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} else {
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try {
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let image = evt.data.image;
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let data = new Uint8Array(image);
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let resultData = decode_qoi(data);
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let img = {
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colorSpace: resultData.colorSpace,
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width: resultData.width,
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height: resultData.height
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};
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var buff = new ArrayBuffer(resultData.data.length);
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new Uint8Array(buff).set(new Uint8Array(resultData.data));
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self.postMessage({
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result: 0,
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img: img,
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width: evt.data.width,
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height: evt.data.height,
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x: evt.data.x,
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y: evt.data.y,
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frame_id: evt.data.frame_id,
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data: buff,
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freemem: evt.data.image
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}, [buff]);
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} catch (err) {
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self.postMessage({
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result: 2,
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error: err
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});
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}
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}
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}, false);
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}
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run();
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