Method

VipsImagesimilarity

Declaration [src] 

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

Description [src]

This operator calls vips_affine() for you, calculating the matrix for the affine transform from scale and angle. Other parameters are passed on to vips_affine() unaltered.

Optional arguments

  • scale: gdouble, scale by this factor
  • angle: gdouble, rotate by this many degrees clockwise
  • interpolate: VipsInterpolate, interpolate pixels with this
  • background: VipsArrayDouble colour for new pixels
  • idx: gdouble, input horizontal offset
  • idy: gdouble, input vertical offset
  • odx: gdouble, output horizontal offset
  • ody: gdouble, output vertical offset

See also

vips_affine(), VipsInterpolate.

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.