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.

Parameters

value

Type: GValue

GValue to set.

The argument will be set by the function.
The returned data is owned by the function.
free_fn

Type: VipsCallbackFn

Free function for data.

The argument can be NULL.
data

Type: 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

Type: size_t

Length of memory area.