spb/admin-ka

1"use strict";23Object.defineProperty(exports, "__esModule", {4  value: true5});6exports["default"] = void 0;7var Log = _interopRequireWildcard(require("../util/logging.js"));8function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }9function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }10function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }11function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }12function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }13function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }14function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }15function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } /*16 * noVNC: HTML5 VNC client17 * Copyright (C) 2019 The noVNC authors18 * Licensed under MPL 2.0 (see LICENSE.txt)19 *20 * See README.md for usage and integration instructions.21 *22 */23var HextileDecoder = exports["default"] = /*#__PURE__*/function () {24  function HextileDecoder() {25    _classCallCheck(this, HextileDecoder);26    this._tiles = 0;27    this._lastsubencoding = 0;28    this._tileBuffer = new Uint8Array(16 * 16 * 4);29  }30  return _createClass(HextileDecoder, [{31    key: "decodeRect",32    value: function decodeRect(x, y, width, height, sock, display, depth) {33      if (this._tiles === 0) {34        this._tilesX = Math.ceil(width / 16);35        this._tilesY = Math.ceil(height / 16);36        this._totalTiles = this._tilesX * this._tilesY;37        this._tiles = this._totalTiles;38      }39      while (this._tiles > 0) {40        var bytes = 1;41        if (sock.rQwait("HEXTILE", bytes)) {42          return false;43        }44        var subencoding = sock.rQpeek8();45        if (subencoding > 30) {46          // Raw47          throw new Error("Illegal hextile subencoding (subencoding: " + subencoding + ")");48        }49        var currTile = this._totalTiles - this._tiles;50        var tileX = currTile % this._tilesX;51        var tileY = Math.floor(currTile / this._tilesX);52        var tx = x + tileX * 16;53        var ty = y + tileY * 16;54        var tw = Math.min(16, x + width - tx);55        var th = Math.min(16, y + height - ty);5657        // Figure out how much we are expecting58        if (subencoding & 0x01) {59          // Raw60          bytes += tw * th * 4;61        } else {62          if (subencoding & 0x02) {63            // Background64            bytes += 4;65          }66          if (subencoding & 0x04) {67            // Foreground68            bytes += 4;69          }70          if (subencoding & 0x08) {71            // AnySubrects72            bytes++; // Since we aren't shifting it off7374            if (sock.rQwait("HEXTILE", bytes)) {75              return false;76            }77            var subrects = sock.rQpeekBytes(bytes).at(-1);78            if (subencoding & 0x10) {79              // SubrectsColoured80              bytes += subrects * (4 + 2);81            } else {82              bytes += subrects * 2;83            }84          }85        }86        if (sock.rQwait("HEXTILE", bytes)) {87          return false;88        }8990        // We know the encoding and have a whole tile91        sock.rQshift8();92        if (subencoding === 0) {93          if (this._lastsubencoding & 0x01) {94            // Weird: ignore blanks are RAW95            Log.Debug("     Ignoring blank after RAW");96          } else {97            display.fillRect(tx, ty, tw, th, this._background);98          }99        } else if (subencoding & 0x01) {100          // Raw101          var pixels = tw * th;102          var data = sock.rQshiftBytes(pixels * 4, false);103          // Max sure the image is fully opaque104          for (var i = 0; i < pixels; i++) {105            data[i * 4 + 3] = 255;106          }107          display.blitImage(tx, ty, tw, th, data, 0);108        } else {109          if (subencoding & 0x02) {110            // Background111            this._background = new Uint8Array(sock.rQshiftBytes(4));112          }113          if (subencoding & 0x04) {114            // Foreground115            this._foreground = new Uint8Array(sock.rQshiftBytes(4));116          }117          this._startTile(tx, ty, tw, th, this._background);118          if (subencoding & 0x08) {119            // AnySubrects120            var _subrects = sock.rQshift8();121            for (var s = 0; s < _subrects; s++) {122              var color = void 0;123              if (subencoding & 0x10) {124                // SubrectsColoured125                color = sock.rQshiftBytes(4);126              } else {127                color = this._foreground;128              }129              var xy = sock.rQshift8();130              var sx = xy >> 4;131              var sy = xy & 0x0f;132              var wh = sock.rQshift8();133              var sw = (wh >> 4) + 1;134              var sh = (wh & 0x0f) + 1;135              this._subTile(sx, sy, sw, sh, color);136            }137          }138          this._finishTile(display);139        }140        this._lastsubencoding = subencoding;141        this._tiles--;142      }143      return true;144    }145146    // start updating a tile147  }, {148    key: "_startTile",149    value: function _startTile(x, y, width, height, color) {150      this._tileX = x;151      this._tileY = y;152      this._tileW = width;153      this._tileH = height;154      var red = color[0];155      var green = color[1];156      var blue = color[2];157      var data = this._tileBuffer;158      for (var i = 0; i < width * height * 4; i += 4) {159        data[i] = red;160        data[i + 1] = green;161        data[i + 2] = blue;162        data[i + 3] = 255;163      }164    }165166    // update sub-rectangle of the current tile167  }, {168    key: "_subTile",169    value: function _subTile(x, y, w, h, color) {170      var red = color[0];171      var green = color[1];172      var blue = color[2];173      var xend = x + w;174      var yend = y + h;175      var data = this._tileBuffer;176      var width = this._tileW;177      for (var j = y; j < yend; j++) {178        for (var i = x; i < xend; i++) {179          var p = (i + j * width) * 4;180          data[p] = red;181          data[p + 1] = green;182          data[p + 2] = blue;183          data[p + 3] = 255;184        }185      }186    }187188    // draw the current tile to the screen189  }, {190    key: "_finishTile",191    value: function _finishTile(display) {192      display.blitImage(this._tileX, this._tileY, this._tileW, this._tileH, this._tileBuffer, 0);193    }194  }]);195}();