Vipscheck_matrix

int
vips_check_matrix (
  const char* domain,
  VipsImage* im,
  VipsImage** out
)

[−]

Matrix images must have width and height less than 100000 and have 1 band.

Return 0 if the image will pass as a matrix, or -1 and set an error message otherwise.

out is set to be im cast to double and stored in memory. Use VIPS_MATRIX() to address values in out.

You must unref out when you are done with it.

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.

out

Type: VipsImage

Put image as in-memory doubles here.

The argument will be set by the function.

The caller of the function takes ownership of the returned data, and is responsible for freeing it.

[−]

Type: int

0 if OK, -1 otherwise.