ScanerAPI

WIA Scan in the browser

URL: "http://localhost:8080"

Query scanner settings
Resource URI: [URL]/api/GetScannerParameters
Metod: POST
Description: Returns some scanner settings.

Headers Information
Content-Type: application/json;

Request Information
not necessary
(Body - raw - JSON)

{
    "method":"GetScannerParameters",
    "sourceIndex": 0
}

Response Formats

{
 "sources": 	{
 		"selectedSource": "0",
  		"sourcesList": [{
                		"key": "{6BDD1FC6-810F-11D0-BEC7-08002BE2092F}\\0000",
                		"value": "HP LaserJet MFP M28-M31 (USB)"
            			}]
    		},
    		"flatbedResolutions": [200,300,600],
    		"pixelTypes": [
        			{
            			"Id": 1,
            			"Color": "Color",
	       			"Description": "Цветное"
        			},
        			{
            			"Id": 2,
            			"Color": "Greyscale",
            			"Description": "Оттенки серого"
        			},
        			{
            			"Id": 4,
            			"Color": "BlackWhite",
            			"Description": "Черно-белое"
        			}
    				],
    		"fileFormats": [
        			{"Name": "JPG"},
        			{"Name": "PNG"},
        			{"Name": "TIF"},
        			{"Name": "BMP"},
        			{"Name": "GIF"}
    				],
    		"allowedFormats": [
				{
            			"Width": 8.27,
            			"Height": 11.69,
            			"Name": "A4"
        			},
        			{
            			"Width": 5.83,
            			"Height": 8.27,
            			"Name": "A5"
        			},
        			{
            			"Width": 8.27,
            			"Height": 5.83,
            			"Name": "A5 LS"
        			},
        			{
            			"Width": 4.13,
            			"Height": 5.84,
            			"Name": "A6"
        			},
        			{
            			"Width": 5.84,
            			"Height": 4.13,
            			"Name": "A6 LS"
        			}
    				]
				}

Scanning
Resource URI: [URL]/api/Scan
Metod: POST
Description: Scanning and return image.

Headers Information
Content-Type: application/json;

Request Information
(Body - raw - JSON)

{
    "method":"Scan",
    "source": "0",
    "dpi":"200",
    "ColorMode":4,
    "FFormat":"PNG",
    "PageFormat":{
            "Width": 8.27,
            "Height": 5.83,
            "Name": "A5 LS"
        },
    "Brightness":-400,
    "Contrast":0  
}

Response Formats
Content-Type: image/[png,jpg,tif,bmp,gif]

blob:http:// ....

Sample JavaScript

//GetScannerParameters
const url="http://localhost:8080/api/";
const postData = async (url = '', data = {}) => {
            const response = await fetch(url, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify(data)
            });
            return response.json();
        }
const jsonData = { "method": "GetScannerParameters", "sourceIndex": 0 };
postData(url + "GetScannerParameters", jsonData)
.then((data) => {
console.log(data);
});
//Scanning
const scanWIA = async (url = '', data = {}) => {
const response = await fetch(url, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(data)
});
return response;
}
var scanParam = {
"method":"Scan",
"source": "0",
"dpi":"200",
"ColorMode":4,
"FFormat":"PNG",
"PageFormat":{
"Width": 8.27,
"Height": 5.83,
"Name": "A5 LS"
},
"Brightness":-400,
"Contrast":0
}
//add div id ="Scanned"
scanWIA(url + "Scan", scanParam)
.then((data) => {
let Scanned = document.getElementById("Scanned");
let img = document.createElement("IMG");
if (Scanned.children.length > 0) {
Scanned.replaceChildren();
}
data.blob().then(function (blob) {
fileDate = blob;
objectURL = URL.createObjectURL(fileDate);
img.src = objectURL;
Scanned.appendChild(img);
})
});
// Save or ...
// add button id="ButtonSave"
// fileName - according to your request, change in the program
var ButtSave = document.getElementById("ButtonSave");
ButtSave.addEventListener('click', SaveClick, false);
function SaveClick() {
let fileName = "file."+ scanParam.FFormat.toLowerCase(); ;
let link = document.createElement('a');
link.download = fileName;
link.href = URL.createObjectURL(fileDate);
link.click();
URL.revokeObjectURL(link.href);
}