java-native-access / java-native-access/jna

Please add Windows 10 Desktop Duplication API support

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feature request
Dominant language
Java
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Description

Provide complete information about the problem
  1. Version of JNA and related jars = JNA 5.5.0
  2. Version and vendor of the java virtual machine = JDK 11
  3. Operating system = Windows 10
  4. System architecture (CPU type, bitness of the JVM) = i7 5930K 6 cores
  5. Complete description of the problem

Windows 8 introduces Desktop Duplication API, (improved with Windows 10) that allow for fast screen capturing without any lag.

Will you ever support this API?
Is there a way to capture a screenshot using JNA and Windows Desktop Duplication API?

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the Windows 10 Desktop Duplication API requirements described in this issue and how JNA 5.5.0 exposes Windows native APIs. Define the required capture entry points and a Windows 10 validation plan; done means documented, working support for Desktop Duplication API screen capture on JDK 11.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
desktop, operating-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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