Vips.check_hist
Description: Reference for Vips.check_hist

### Function

# Vipscheck_hist

#### Declaration [src]

    int
    vips_check_hist (
      const char* domain,
      VipsImage* im
    )

#### Description [src]

Histogram images must have width or height 1, and must not have more than 65536 elements. Return 0 if the image will pass as a histogram, or -1 and set an error message otherwise.

See also

`vips_error()`.

#### Parameters

`domain`

  Type: `const char*`

  The originating domain for the error message.

  The data is owned by the caller of the function.
  The value is a NUL terminated UTF-8 string.

`im`

  Type: `VipsImage`

  Image to check.

  The data is owned by the caller of the function.

#### Return value

Type: `int`

0 if OK, -1 otherwise.