Such mapping only worked foe compositor output node
(with some issues btw) and failed dramatically for
nodes like previews and viewers.
For now let's behave the same way as border+crop
worked in 2.66 for until proper feature support
is ready (which could take some time).
Fixes#35313: object and ID anti-aliased masks get messed up
when using border render + crop
This commit simply implements mapping from centered cropped canvas
to a full-frame coordinates, so operations like alpha-overing render
result on top of image will be properly aligned.
Originally issue was discovered when using stabilization and movie distortion
nodes, but in fact issue was caused by render layer node always doing nearest
interpolation. Now made it so this node will respect sampler passed to it's
executePixel function and do an interpolation.
Added two new functions to do bilinear/bicubic interpolation in float buffer
with variable number of components per element, so it could interpolate 1, 3
and 4 component vectors. This functions currently mostly duplicates the same
functions from imageprocess.c and it should actually be de-duplicated. Think
it's ok to leave a bit of time with such duplication, since functions should
be generalized one more time to support byte buffers, which could backfire on
readability.
Also removed mark as complex from stabilization node, which isn't needed sine
int fact this node is not complex.
`````|````` | | | ..''''
| | | |______ .''
| | | | ..'
| | |_______ |___________ ....''
merge to TRUNK!
* The old compositor is still available (Debug Menu: 200)
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