Building Windows apps that use image scanners

Monica CzarnyWindows Program Manager3-025

1. Why incorporate scanning in your app?

2. Your app + scanner device compatibility

3. Simplicity of the new Scanner namespace

4. Demo: scanning from an app 5. Scan API code snippets

What we will cover today

Users want experiences, information, intelligence

Digital world

share

📎

archive

modify

✎ extract

Digital world

Things in the physical world are being left behind

checks 📃 legal contracts store receipts photos medical records

There are more scanners out there than you may think

66% of

printers connected to Windows

are also scanners

JPEG, OXPS

,

Why is content left behind?

Windows 8.1

Windows Imaging Acquisition (WIA) platform

Scan Runtime APIs

WIA API (COM)

Windows 8.1 Store app

Hardware scanner devices(Stand-alone or MFP)

Scan Runtime APIs built on top of WIA means that you can use any Windows logoed scanner

New Scan Runtime APIs are compatible with certified WIA 2.0 drivers

Windows Store apps

Desktop apps

These APIs can be used to scan from Windows Store and from Desktop apps

Windows 8.1 Store app

Windows has you covered

Windows 8.1 supports the vast majority of scanners available in the ecosystem today

All WS-Scan network

scanners are supported by a class

driver

More than 500 USB scanners

are supported inbox with many more

on Windows Update

How to enable scanning

Enumerate scanners1

Get scanner object2

Scan3 Optional: Preview

Optional: Set scan settings

ImageScanner

Object

Windows.Devices.Scanners

Auto-configuredFlatbedFeeder

Windows.Devices.Scanners

Configuration

ImageScanner

Object

Auto-configuredFlatbedFeeder

FormatImageScanner

Windows.Devices.Scanners

ConfigurationObject Property

Auto-configuredFlatbedFeeder

Windows.Devices.Scanners

FormatResolutionColor modeBrightnessContrast

Scan area

ConfigurationObject Property

ImageScanner

FormatResolutionColor modeBrightnessContrast

Scan areaPage orientation

Duplex

Auto-configuredFlatbedFeeder

ImageScanner

Windows.Devices.Scanners

ConfigurationObject Property

1. Enumerate all connected scanners

2. Scan from auto-configured, flatbed, feeder scan sources

3. Override scan settings (scan area, resolution, format…)

4. Handle scan progress

Demos

How we enabled scanning

Enumerate scanners

Get scanner object

1

2 Optional: Set scan settings

Optional: PreviewScan3

CreateWatcher(DeviceClass.ImageScanner)

to enumerate using a DeviceWatcher (Windows.Devices.Enumeration)

Format, Resolution, Duplex… to set scan settings (per scan source)

FromIdAsync(deviceId)for scanner ImageScanner object

ScanPreviewToStreamAsync()to scan file to stream

ScanFilesToFolderAsync() to scan file to folder

1

2

3

attachment protection improvement intelligence

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👤 share 👤 archive👤 modify👤 extract

The new Scan Runtime APIs make it easy to capture physical documents and images

digitally in a way that makes sense for your app

What are you going to ld/?

Resources

• MSDN resources• API documentation– Search for “Windows.Devices.Scanners”

• Scan Runtime API Samples

• Auto-Configured scan feature • http://msdn.microsoft.com/en-us/library/windows/hardware/ff539393(v=vs.85).

aspx

• Contact us through WIAinfo@Microsoft.com• Ask us WIA driver or API questions

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