void*vips_value_get_blob(constGValue*value,size_t*length)
Returns the data pointer from a blob. Optionally returns the length too.
blobs are things likeICC profiles orEXIF data. They are relocatable, andare saved toVIPS files for you coded as base64 inside theXML. They arecopied by copying reference-counted pointers.
See also
valueType: GValue
GValue to set.
| The data is owned by the caller of the function. |
lengthType: size_t*
Optionally return length of memory area.
| The argument will be set by the function. |
The argument can beNULL. |