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# This module provides an interface to the top level bits of libvips
# via ruby-ffi.
#
# Author:: John Cupitt (mailto:jcupitt@gmail.com)
# License:: MIT
require "ffi"
module Vips
if Vips.at_least_libvips?(8, 9)
attach_function :vips_connection_filename, [:pointer], :string
attach_function :vips_connection_nick, [:pointer], :string
end
# Abstract base class for connections.
class Connection < Vips::Object
# The layout of the VipsRegion struct.
module ConnectionLayout
def self.included(base)
base.class_eval do
layout :parent, Vips::Object::Struct
# rest opaque
end
end
end
class Struct < Vips::Object::Struct
include ConnectionLayout
end
class ManagedStruct < Vips::Object::ManagedStruct
include ConnectionLayout
end
# Get any filename associated with a connection, or nil.
def filename
Vips.vips_connection_filename self
end
# Get a nickname (short description) of a connection that could be shown to
# the user.
def nick
Vips.vips_connection_nick self
end
end
end
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