示例#1
0
static void *
vips_object_equal_arg( VipsObject *object,
	GParamSpec *pspec,
	VipsArgumentClass *argument_class,
	VipsArgumentInstance *argument_instance,
	void *a, void *b )
{
	VipsObject *other = (VipsObject *) a;

	if( (argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) &&
		(argument_class->flags & VIPS_ARGUMENT_INPUT) &&
		argument_instance->assigned ) {
		const char *name = g_param_spec_get_name( pspec );
		GType type = G_PARAM_SPEC_VALUE_TYPE( pspec );
		GValue v1 = { 0, };
		GValue v2 = { 0, };

		gboolean equal;

		g_value_init( &v1, type );
		g_value_init( &v2, type );
		g_object_get_property( G_OBJECT( object ), name, &v1 ); 
		g_object_get_property( G_OBJECT( other ), name, &v2 ); 
		equal = vips_value_equal( pspec, &v1, &v2 );
		g_value_unset( &v1 );
		g_value_unset( &v2 );

		if( !equal )
			return( object );
	}

	return( NULL );
}
示例#2
0
static void *
vips_object_equal_arg( VipsObject *object,
	GParamSpec *pspec,
	VipsArgumentClass *argument_class,
	VipsArgumentInstance *argument_instance,
	void *a, void *b )
{
	VipsObject *other = (VipsObject *) a;

	const char *name = g_param_spec_get_name( pspec );
	GType type = G_PARAM_SPEC_VALUE_TYPE( pspec );
	GValue v1 = { 0, };
	GValue v2 = { 0, };

	gboolean equal;

	/* Only test assigned input constructor args.
	 */
	if( !(argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) ||
		!(argument_class->flags & VIPS_ARGUMENT_INPUT) ||
		!argument_instance->assigned ) 
		return( NULL );

	/* If this is an optional arg, we need to check that this was
	 * assigned on @other as well.
	 */
	if( !(argument_class->flags & VIPS_ARGUMENT_REQUIRED) &&
		!vips_object_argument_isset( other, name ) )
		/* Optional and was not set on other ... we've found a
		 * difference!
		 */
		return( object ); 

	g_value_init( &v1, type );
	g_value_init( &v2, type );
	g_object_get_property( G_OBJECT( object ), name, &v1 ); 
	g_object_get_property( G_OBJECT( other ), name, &v2 ); 
	equal = vips_value_equal( pspec, &v1, &v2 );
	g_value_unset( &v1 );
	g_value_unset( &v2 );

	/* Stop (return non-NULL) if we've found a difference.
	 */
	return( !equal ? object : NULL ); 
}