VSE: tweak look of Vectorscope to match upcoming Image vectorscope #117738
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Reference: blender/blender#117738
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Delete Branch "aras_p/blender:vse-scopes"
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Image vectorscope is getting some visual updates (#116974), here make the Sequencer vectorscope match the look fairly closely:
Here's how the scope looks now (left: image, right: sequencer). The image scope is as it is on main right now, i.e. without #116974 improvement:
Here's how it looks before this PR (i.e. on main right now):
And for comparison, here's how sequencer scope used to look in Blender 4.0 (i.e. before #116798).
@blender-bot build
I think I applied patch on some random commit after bisecting yesterday, so it failed to build.
Now checking with random video, and I thing there may be some discrepancy - cyan and green values seem to be off the scale, which IMO shouldn't happen with 8-bit image. So I would expect this to be incorrect, but I am not really sure. Perhaps I read the scope incorrectly?
Attaching sample video, that is giving different values.
Also this makes the scope effectively smaller, which may be good for HDR footage, but I would probably want to conserve the same hexagon size if possible. Not sure if you can zoom out in panel scopes.
Sorry, now looking at panel scope with the same image, it seems, that I just read the new scope incorrectly. So I take my comment back apart from that it could be bit larger.
Yeah, the "outer polygon" (full saturation) of the previous scope is not explicitly displayed in the new one. This matches the image scope, which also does not do it. From what I've seen, various other applications with vector scopes also don't do that; they indicate the "75% saturation" color places beyond which is generally "not advisable to go", and they don't bother indicating where the "full saturation" would happen since it's assumed that "well made media" will never go there anyway.
The actual pixels that are displayed are still exact same zoom ratio, just the "reticule" (background - hexagon previously, circle now) has both changed shape and how much of screen area it takes up.