Method

VipsImageset_area

Declaration [src] 

void
vips_image_set_area (
  VipsImage* image,
  const char* name,
  VipsCallbackFn free_fn,
  void* data
)

Description [src]

Attaches data as a metadata item on image under the name name. When VIPS no longer needs the metadata, it will be freed with free_fn.

See also

vips_image_get_double(), vips_image_set().

Parameters

name

Type: const char*

Metadata name.

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

Type: VipsCallbackFn

Free function for data.

The argument can be NULL.
data

Type: void*

Pointer to area of memory.

The argument can be NULL.
The instance takes ownership of the data, and is responsible for freeing it.