0000595: Request for ColorErase like in GIMP

ID	Project	Category	View Status	Date Submitted	Last Update

0000595	Cinelerra-GG	[All Projects] Feature	public	2021-10-21 16:00	2021-10-21 16:00

Reporter	PhyllisSmith	Assigned To
Priority	normal	Severity	minor	Reproducibility	have not tried
Status	new	Resolution	open
Product Version
Target Version		Fixed in Version

Summary	0000595: Request for ColorErase like in GIMP
Description	A new plugin feature request if possible. Making it a plugin, if there is any problem it would not affect other code. From aound September 27 from Stefan: "The problem with Chroma key HSV is that it will clamp a light green color to 'white' and not 'white+transparant'. I am still interested (and motivated) to see the Color Erase happen by the algorithm GIMP uses. I have found that ffmpeg has a blend filter, but subtract is not equal to color erase." https://github.com/skinkie/FFmpeg/commit/7683c206446661e04bfc34b0149cbcf4c19a3d55#diff-30bbbdaad37f440707bda666ec8c00a0c3d6812cc62a54a873bcb16ea7487bd3R690
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