[Octave-bug-tracker] [bug #36820] imread doesn't consider opacity in Magick::BilevelType, Patch included

[Carnë Draug]

Follow-up Comment #3, bug #36820 (project octave):

I have fixed part of this problem. With cset 95055b814d35 it now reads the
alpha channel correctly.

However, the actual image cannot be a MxNx3 matrix because the image is not a
RGB image. Even Matlab documentation says that a grayscale image should be
MxNx1 so I don't know why it's returning something different.

As GraphicsMagick reports the image as Bilevel, we must return a matrix of
size MxN or pick some other strategy.

Should this bug be closed?

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