scanner-to-buffer
Version:
crossplatform scanning images
86 lines (85 loc) • 4.25 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.list = exports.scan = void 0;
const utils_1 = require("./utils");
const powershell = (_a) => {
var { script } = _a, o = __rest(_a, ["script"]);
return (0, utils_1.spawn)(Object.assign(Object.assign({}, o), { args: ["powershell.exe", "-NoProfile", "-Command", `& {${script}}`] }));
};
const formats = (0, utils_1.satisfies)({
bmp: "AB",
png: "AF",
gif: "B0",
jpeg: "AE",
tiff: "B1",
});
const fid = (x) => `{B96B3C${x}-0728-11D3-9D7B-0000F81EF32E}`;
const scan = (_a) => __awaiter(void 0, void 0, void 0, function* () {
var _b, _c;
var { timeout, logger } = _a, o = __rest(_a, ["timeout", "logger"]);
const formatID = formats[(_b = o.format) !== null && _b !== void 0 ? _b : "png"];
if (formatID === undefined)
throw utils_1.Errors.windowsNoFormat(o.format);
return powershell({
script: (0, utils_1.trimN)(6) `
$ErrorActionPreference = "Stop"
$deviceManager = new-object -ComObject WIA.DeviceManager
${o.device
? `$device = $deviceManager.DeviceInfos | where DeviceID -eq "${o.device}"`
: "$device = $deviceManager.DeviceInfos.Item(1)"}
$deviceConnected = $device.Connect()
foreach ($item in $deviceConnected.Items) {
foreach($prop in $item.Properties){
if(($prop.PropertyID -eq 6147) -or ($prop.PropertyID -eq 6148)){ $prop.Value = "${(_c = o.dpi) !== null && _c !== void 0 ? _c : 150}" }
}
}
$imageProcess = new-object -ComObject WIA.ImageProcess
foreach ($item in $deviceConnected.Items) {
$image = $item.Transfer()
}
$imageProcess.Filters.Add($imageProcess.FilterInfos.Item("Convert").FilterID)
$imageProcess.Filters.Item(1).Properties.Item("FormatID").Value = "${fid(formatID)}"
$imageProcess.Filters.Item(1).Properties.Item("Quality").Value = 5
$image = $imageProcess.Apply($image)
$bytes = $image.FileData.BinaryData
[System.Console]::OpenStandardOutput().Write($bytes, 0, $bytes.Length)`,
timeout,
logger,
onError: ifHas => {
var _a, _b;
return (_b = (_a = ifHas(utils_1.Errors.invalidDPI, "At line:8 char:76", "The parameter is incorrect.")) !== null && _a !== void 0 ? _a : ifHas(utils_1.Errors.connect, "At line:5", "An unspecified error occurred during an attempted communication with the WIA device.")) !== null && _b !== void 0 ? _b : ifHas(utils_1.Errors.busy, "At line:5", "The WIA device is busy.");
},
});
});
exports.scan = scan;
const list = (o) => __awaiter(void 0, void 0, void 0, function* () {
const rawDevices = yield powershell(Object.assign(Object.assign({}, o), { script: (0, utils_1.trimN)(6) `
$ErrorActionPreference = "Stop"
$deviceManager = new-object -ComObject WIA.DeviceManager
$deviceManager.DeviceInfos | ForEach-Object -Process {$_.DeviceId}` }));
return rawDevices
.toString()
.split("\r\n")
.filter(x => x);
});
exports.list = list;