bare-operating-system/kernel/lib/bare/bundles/bareJpeg.js

var __bare_os_bundle_exports__ = (() => {
  var __create = Object.create;
  var __defProp = Object.defineProperty;
  var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
  var __getOwnPropNames = Object.getOwnPropertyNames;
  var __getProtoOf = Object.getPrototypeOf;
  var __hasOwnProp = Object.prototype.hasOwnProperty;
  var __require = /* @__PURE__ */ ((x) => typeof require !== "undefined" ? require : typeof Proxy !== "undefined" ? new Proxy(x, {
    get: (a, b) => (typeof require !== "undefined" ? require : a)[b]
  }) : x)(function(x) {
    if (typeof require !== "undefined") return require.apply(this, arguments);
    throw Error('Dynamic require of "' + x + '" is not supported');
  });
  var __commonJS = (cb, mod) => function __require2() {
    return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
  };
  var __export = (target, all) => {
    for (var name in all)
      __defProp(target, name, { get: all[name], enumerable: true });
  };
  var __copyProps = (to, from, except, desc) => {
    if (from && typeof from === "object" || typeof from === "function") {
      for (let key of __getOwnPropNames(from))
        if (!__hasOwnProp.call(to, key) && key !== except)
          __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
    }
    return to;
  };
  var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
    // If the importer is in node compatibility mode or this is not an ESM
    // file that has been converted to a CommonJS file using a Babel-
    // compatible transform (i.e. "__esModule" has not been set), then set
    // "default" to the CommonJS "module.exports" for node compatibility.
    isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
    mod
  ));
  var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

  // ../../node_modules/bare-jpeg/binding.js
  var require_binding = __commonJS({
    "../../node_modules/bare-jpeg/binding.js"(exports, module) {
      module.exports = __require.addon();
    }
  });

  // ../../node_modules/bare-jpeg/index.js
  var require_bare_jpeg = __commonJS({
    "../../node_modules/bare-jpeg/index.js"(exports) {
      var binding = require_binding();
      var MARKER_PREFIX = 255;
      var SOI = 216;
      var EOI = 217;
      var SOS = 218;
      var APP0 = 224;
      var APP15 = 239;
      var COM = 254;
      exports.decode = function decode(image) {
        const { width, height, data } = binding.decode(image);
        return {
          width,
          height,
          data: Buffer.from(data)
        };
      };
      exports.encode = function encode(image, opts = {}) {
        const { quality = 90 } = opts;
        const buffer = binding.encode(image.data, image.width, image.height, clamp(quality, 0, 100));
        return Buffer.from(buffer);
      };
      exports.readHeader = function readHeader(image) {
        const header = binding.readHeader(image);
        return {
          ...header,
          markers: header.markers.map(({ marker, data }) => ({
            marker,
            data: Buffer.from(data)
          }))
        };
      };
      exports.replaceMarkers = function replaceMarkers(image, markers = []) {
        if (image.length < 2 || image[0] !== MARKER_PREFIX || image[1] !== SOI) {
          throw new Error("Invalid JPEG");
        }
        const output = [image.subarray(0, 2)];
        let offset = 2;
        let next = 0;
        let insertAt = 1;
        while (offset < image.length) {
          const start = offset;
          while (offset < image.length && image[offset] === MARKER_PREFIX) {
            offset++;
          }
          if (offset >= image.length) {
            throw new Error("Invalid JPEG");
          }
          const marker = image[offset];
          if (marker === SOS || marker === EOI) {
            const leftover = [];
            while (next < markers.length) {
              leftover.push(buildSegment(markers[next++]));
            }
            if (leftover.length > 0) {
              output.splice(insertAt, 0, ...leftover);
            }
            output.push(image.subarray(start));
            return Buffer.concat(output);
          }
          if (offset + 2 >= image.length) {
            throw new Error("Invalid JPEG");
          }
          const length = image.readUInt16BE(offset + 1);
          const end = offset + 1 + length;
          if (length < 2 || end > image.length) {
            throw new Error("Invalid JPEG");
          }
          if (marker >= APP0 && marker <= APP15 || marker === COM) {
            if (next < markers.length) {
              output.push(buildSegment(markers[next++]));
              insertAt = output.length;
            }
          } else {
            output.push(image.subarray(start, end));
          }
          offset = end;
        }
        throw new Error("Invalid JPEG");
      };
      function buildSegment(marker) {
        const payload = Buffer.from(marker.data);
        const segment = Buffer.allocUnsafe(payload.length + 4);
        segment[0] = MARKER_PREFIX;
        segment[1] = marker.marker;
        segment.writeUInt16BE(payload.length + 2, 2);
        payload.copy(segment, 4);
        return segment;
      }
      function clamp(value, min, max) {
        return Math.max(min, Math.min(max, value));
      }
    }
  });

  // ../../bare-lib-entry-bareJpeg.js
  var bare_lib_entry_bareJpeg_exports = {};
  __export(bare_lib_entry_bareJpeg_exports, {
    default: () => bare_lib_entry_bareJpeg_default
  });
  var import_bare_jpeg = __toESM(require_bare_jpeg());
  var bare_lib_entry_bareJpeg_default = import_bare_jpeg.default;
  return __toCommonJS(bare_lib_entry_bareJpeg_exports);
})();
;(function(){var g=globalThis;var s="__bare_os_stdlib__";g[s]=g[s]||{};var e=typeof __bare_os_bundle_exports__!=="undefined"?__bare_os_bundle_exports__:void 0;var v=e!=null&&typeof e==="object"&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e;g[s]["bareJpeg"]=v;})();