Function

Vipsvalue_get_blob

Declaration [src]

void*
vips_value_get_blob (
  const GValue* value,
  size_t* length
)

Description [src]

Returns the data pointer from a blob. Optionally returns the length too.

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 data is owned by the caller of the function.
length

Type: size_t*

Optionally return length of memory area.

The argument will be set by the function.
The argument can be NULL.

Return value

Type: An array of guint8

The pointer held by value.

The length of the array is in the length argument.
The data is owned by the called function.