why are the images saved in png? on onExtractImage, as saved in jpg or original format?

[luigbren]

why are the images saved in png format? when extracting the image with the filter applied, how can i keep the orignal format or save in jpg? and over the dimensions of the image, only the uri returns, how can i also return the dimensions of the image? width and height

[iyegoroff]

Currently only png format is supported for extraction. If you need additional image formats feel free to implement it and open a pull request.