I have Wacom device STU 500 . I work on a project module for signing pdf files. I didn't find any Java SDK-API to query the device with . is there an elegant way to do this from java code ?
3 Answers
As the previous posts indicate, contact the your regional Wacom office to obtain the SDK. They will email you a 'SDK Approval Form' where you have to fill in certain details. Once they verify the document as well as your credentials they would send you a link to download the SDK.
Please note that there are two types of SDK's. They are called the 'Low-Level' SDK and the 'Signature' SDK by Wacom. The 'Low-Level' SDK is free and other other isn't. The 'Low-Level' SDK should suffice unless you need biometric/forensic/security/verification and other capabilities for which you need to select the 'Signature' SDK.
Since you are specifically asking to sign PDF files, check out Wacom's 'Sign | Pro PDF' SDK.
This is a late reply, but I hope it helps you or others working with Wacom.

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You have to ask Wacom directly to get the existing SDK.
From Wacom FAQ:
3.23. How can I program an STU-300, STU-500, or STU-520 Signature (signpad) Tablet? You can obtain an STU-300, STU-500, or STU-520 SDK to program in C++, C# or Java by contacting Wacom Customer Care in your region.
http://www.wacom.com/en/CustomerCare/HelpRequest/ContactTechnicalSupport.aspx

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You can find more information here: http://signature.wacom.eu/products/software/signature-sdk. There´s a contact form where you can ask for the SDKs.

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