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Re: JPEG lossless operations?



On 05/27/2012 08:26 PM, gfxuser wrote:
Hi,

reading some of the JPEG related articles here I wondered whether GIMP or GEGL can do lossless rotation and cropping on JPEG images. Can you tell me more about it?

Thanks,
grafxuser


For rotation, that would only work on images with dimensions that are a multiple of 8. For cropping, that only works if you crop on 8-pixel boundaries from the origin corner.

Otherwise, this also assumes that JPEG is an "editable format", while the recent kerfuffle around the Export function has demonstrated that it is not, in the current vision.

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