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Add rotation support
See original GitHub issueIt would be good to be able to specify a rotation angle (in multiples of 90 degrees) to be applied to the image before resizing.
We have a use case where on upload we need to read exif orientation data, rotate the image correctly, resize, and then send to the server.
Currently we have to do this by reading the image into a canvas on the main UI thread which negates the point of using pica and webworkers. By only supporting 4 angles for rotation it shouldn’t be too hard to read the pixel data out in a different order and skip using CanvasRenderingContext2D.rotate().
Issue Analytics
- State:
- Created 6 years ago
- Reactions:1
- Comments:30 (13 by maintainers)
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https://github.com/nodeca/image-blob-reduce - here is pica wrapper for files. It cares about orientation and other file-specific things.
This is absolutely correct and absolutely useless statement 😃. It contains nothing constructive to apply for this package 😃