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GR32.Blur🞂Blur32MinRadiusVariable

Blur32MinRadius

Global threshold minimum radius for blur operations.

Declaration ​

pascal
var Blur32MinRadius: TFloat = 0.5;

Description ​

Blur32MinRadius specifies the global lower threshold for the blur radius parameter across all GR32.Blur routines. The default value is 0.5 pixels.

When calling Blur32 or GammaBlur32 with a Radius parameter less than Blur32MinRadius:

  • Out-of-place overloads (ASource, ADest) perform a fast direct copy from ASource to ADest using CopyMapTo without invoking the recursive Gaussian filter.
  • In-place overloads (Bitmap) immediately return without altering pixel contents.

See also ​