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GMImage.SetClassType

Sets the Image class.

Component Version macOS Windows Linux Server iOS SDK
GraphicsMagick 2.0 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "GMImage.SetClassType"; ImageRef; classtype )   More

Parameters

Parameter Description Example
ImageRef The image reference number. 1
classtype The class type number 2

Result

Returns "OK" on success.

Description

Sets the Image class.
setting a DirectClass image to PseudoClass will result in the loss of color information if the number of colors in the image is greater than the maximum palette size (either 256 or 65536 entries depending on the value of QuantumDepth when ImageMagick was built).
Value can be DirectClass = 1 or PseudoClass = 2.

See also

Created 18th August 2014, last changed 10th March 2020


GMImage.SetCacheThreshold - GMImage.SetColorFuzz

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