[magick-users] Equivalence of convert command for Magick++

[Elie Zedeck RANDRIAMIANDRIRAY]

> These is a more modern version of the example sequence the above was
> taken from.  See  Advanced,  Better 3-D Logo Generation
>    http://www.imagemagick.org/Usage/advanced/#3d-logos-2
>
> It is also a VERY VERY old method. With the latest IM you can instead
> use...
>
>    convert mask_light.png  -background white -alpha shape   mask_lighting.png
>
> Note that you do not need a 'negate' for the above, as the image is an
> alpha channel greyscale mask, where combine uses a matte greyscale mask.
>
> See IM Examples, Basics, Controlling Image Transparency, Shape
> (converting a greyscale mask to a shaped mask)
>    http://www.imagemagick.org/Usage/basics/#alpha_shape
>
>
> However the implementation is also equivelent to
>
>    convert mask_light.png  mask_light.png \
>            +matte -compose CopyOpacity -composite \
>            -fill white  -colorise 100%   mask_lighting.png
>
> or using more modern options...
>
>   convert mask_light.png  mask_light.png \
>           -alpha off -compose CopyOpacity -composite \
>           +level-colors white    mask_lighting.png
>
> Those last few examples should be easy to convert to Magick++
>
>
> ALL the above achieve the same result. This is convert a grayscale alpha
> mask into a colored shape mask.
>   
Thank you Anthony, I hope I will *easily* get this converted in C++.

You mentioned about the latest IM, has the documentation also been updated?