API that were in ImageMagick but gone in GraphicsMagick

Alex Chen <[email protected]> Thu, 15 Oct 2020 19:32:05 -0700
Newsgroups gmane.comp.video.graphicsmagick.help
Message-ID <[email protected]>
Hi,
   I want to migrate from ImageMagick in CentOS to GraphicsMagick (1.3.28) in Ubuntu but encountered several missing constant types or API.
'MagickWandGenesis' and 'MagickWandTerminus' 
		Are these not needed?

'MagickBooleanType'.
		For instance, the return value of MagickSetImageFormat is MagickBooleanType in ImageMagick but is unsigned int in GraphicsMagick.
		Does this mean MagickSetImageFormat in GraphicsMagick can return values other than 0 and 1?

What are the alternatives of the following missing APIs?
MagickTransposeImage
MagickTransverseImage
MagickReadImageBlob
MagickGetImageBlob


Any help is appreciated

Thanks

Alex

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