Method

VipsImageprofile

Declaration [src] 

int
vips_profile (
  VipsImage* in,
  VipsImage** columns,
  VipsImage** rows,
  ...
)

Description [src]

vips_profile() searches inward from the edge of in and finds the first non-zero pixel. Pixels in columns have the distance from the top edge to the first non-zero pixel in that column, rows has the distance from the left edge to the first non-zero pixel in that row.

See also

vips_project(), vips_hist_find().

This method is not directly available to language bindings.

Parameters

columns

Type: VipsImage

Distances from top edge.

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.
rows

Type: VipsImage

Distances from left edge.

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.