fix for dstCanvasArr loop

add grayscale link.

add select menu. fisheye <=> equirectangular

FishEye transform (Kodak front)

ref) ref) https://trac.ffmpeg.org/attachment/wiki/RemapFilter/projection.c

fixing to update view each image.

Image File Extractor. (JPEG,PNG only) naive implementation.

generate input file element on dropFunctio.

apply srcSpectrum maxSpectrumPower to dstSpectrum.

- File Drop.

- File ejectButton

add animationButton.