GetLinesInViewport should consider ignore unchanged.

[kbeatty-ascensionas]

No description provided.

[kbeatty-ascensionas]

Closes #122

[mmanela]

@kingcean Could you review?

[mmanela]

@kbeatty-ascensionas Can you share an example text to test with to see the behavior so I can validate?

[kbeatty-ascensionas]

diffplexGetLinesInViewportBugExample.zip

[kbeatty-ascensionas]

What I was seeing is the early breakout in the loop would happen as soon as the first not in the viewport line was encountered. This was exposed by my previous fix that marked zero height lines as NOT being in the view.

Ignore the image, it illustrates my previous fix. Not this one.

[kbeatty-ascensionas]

This image illustrates the new problem that I see.

[kbeatty-ascensionas]

@mmanela do you have any comments on this?

[mmanela]

@kingcean can you review?

[kingcean]

This PR is to fix the following issue but sounds it still have a problem. I have updated the implementation by another way and it is in PR #146 .

The result of GetLinesInViewport is not expected on enabling ignore unchanged in WPF controls.

[kingcean]

This PR is to fix the following issue but sounds it still have a problem. I have updated the implementation by another way and it is in PR #146 .

This PR can be closed without merging since the issue has been fixed in master branch.