jimp-dev/jimp

Efficient clone + crop (or contain)

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#847 创建于 2020年2月24日

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 (0 评论) (0 反应) (0 负责人)JavaScript (785 fork)batch import
enhancementhelp wanted

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描述

Expected Behavior

Working on a Video Stream at 15fps I need to crop a part of each frame then resize it into a canvas using crop() or contain() that use crop underlaying

Current Behavior

It works but it use about 100ms to process a 720P video.

Failure Information (for bugs)

Not sure if it's a bug or a feature.

Actually I have to perform img.clone().crop() whereas it might be more efficient to add an option to crop() into a new image (the code would gather only the relevant pixels) ?

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