Method

VipsImagescharr

Declaration [src] 

int
vips_scharr (
  VipsImage* in,
  VipsImage** out,
  ...
)

Description [src]

Scharr edge detector.

uchar images are computed using a fast, low-precision path. Cast to float for a high-precision implementation.

See also: vips_canny(), vips_sobel(), vips_prewitt(), vips_scharr().

This method is not directly available to language bindings.

Parameters

out

Type: VipsImage

Output image.

The argument will be set by the function.
The caller of the method takes ownership of the returned data, and is responsible for freeing it.
...

Type: 

NULL-terminated list of optional named arguments.

Return value

Type: int

0 on success, -1 on error.