Function

Vipsvalue_set_blob

Declaration [src]

void
vips_value_set_blob (
  GValue* value,
  VipsCallbackFn free_fn,
  void* data,
  size_t length
)

Description [src]

Sets value to hold a data. When value is freed, data will be freed with free_fn. value also holds a note of the size of the memory area.

blobs are things like ICC profiles or EXIF data. They are relocatable, and are saved to VIPS files for you coded as base64 inside the XML. They are copied by copying reference-counted pointers.

::: seealso vips_value_get_blob()

Parameters

`value`	`GValue`
	GValue to set.
	The argument will be set by the function.
	The data is owned by the caller of the function.
`free_fn`	`VipsCallbackFn`
	Free function for `data`.
`data`	An array of `guint8`
	Pointer to area of memory.
	The length of the array is specified in the `length` argument.
	The called function takes ownership of the data, and is responsible for freeing it.
`length`	`size_t`
	Length of memory area.