magickFxImage method
Evaluate expression for each pixel in the image.
Don't forget to call destroyMagickWand on the returned MagickWand when done.
This method runs inside an isolate different from the main isolate.
expression
: the expression.
Implementation
Future<MagickWand?> magickFxImage(String expression) async =>
MagickWand._fromAddress(
await _magickCompute(
_magickFxImage,
_MagickFxImageParams(
_wandPtr.address,
expression,
),
),
);