magickContrastImage method
Enhances the intensity differences between the lighter and darker elements of the image. Set sharpen to a value other than 0 to increase the image contrast otherwise the contrast is reduced.
This method runs inside an isolate different from the main isolate.
sharpen
: Increase or decrease image contrast.
Implementation
Future<bool> magickContrastImage(bool sharpen) async => await _magickCompute(
_magickContrastImage,
_MagickContrastImageParams(_wandPtr.address, sharpen),
);