74 lines
3.5 KiB
JavaScript
74 lines
3.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
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function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
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function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
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/*
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* noVNC: HTML5 VNC client
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* Copyright (C) 2019 The noVNC Authors
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* Licensed under MPL 2.0 (see LICENSE.txt)
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*
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* See README.md for usage and integration instructions.
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*
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*/
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var RawDecoder = /*#__PURE__*/function () {
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function RawDecoder() {
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_classCallCheck(this, RawDecoder);
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this._lines = 0;
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}
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_createClass(RawDecoder, [{
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key: "decodeRect",
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value: function decodeRect(x, y, width, height, sock, display, depth) {
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if (width === 0 || height === 0) {
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return true;
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}
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if (this._lines === 0) {
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this._lines = height;
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}
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var pixelSize = depth == 8 ? 1 : 4;
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var bytesPerLine = width * pixelSize;
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if (sock.rQwait("RAW", bytesPerLine)) {
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return false;
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}
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var curY = y + (height - this._lines);
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var currHeight = Math.min(this._lines, Math.floor(sock.rQlen / bytesPerLine));
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var pixels = width * currHeight;
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var data = sock.rQ;
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var index = sock.rQi;
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// Convert data if needed
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if (depth == 8) {
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var newdata = new Uint8Array(pixels * 4);
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for (var i = 0; i < pixels; i++) {
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newdata[i * 4 + 0] = (data[index + i] >> 0 & 0x3) * 255 / 3;
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newdata[i * 4 + 1] = (data[index + i] >> 2 & 0x3) * 255 / 3;
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newdata[i * 4 + 2] = (data[index + i] >> 4 & 0x3) * 255 / 3;
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newdata[i * 4 + 3] = 255;
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}
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data = newdata;
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index = 0;
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}
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// Max sure the image is fully opaque
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for (var _i = 0; _i < pixels; _i++) {
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data[index + _i * 4 + 3] = 255;
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}
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display.blitImage(x, curY, width, currHeight, data, index);
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sock.rQskipBytes(currHeight * bytesPerLine);
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this._lines -= currHeight;
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if (this._lines > 0) {
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return false;
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}
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return true;
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}
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}]);
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return RawDecoder;
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}();
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exports["default"] = RawDecoder; |