jimp-dev/jimp

Efficient clone + crop (or contain)

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#847 opened on 2020/02/24

 (0 件のコメント) (0 件のリアクション) (0 人の担当者)JavaScript (785 件のフォーク)batch import
enhancementhelp wanted

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説明

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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