//go:build debug && withcv
// +build debug,withcv

/*
DESCRIPTION
  Displays debug information for the motion filters.

AUTHORS
  Scott Barnard <scott@ausocean.org>

LICENSE
  This file is Copyright (C) 2020 the Australian Ocean Lab (AusOcean)

  It is free software: you can redistribute it and/or modify them
  under the terms of the GNU General Public License as published by the
  Free Software Foundation, either version 3 of the License, or (at your
  option) any later version.

  It is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  for more details.

  You should have received a copy of the GNU General Public License
  in gpl.txt.  If not, see http://www.gnu.org/licenses.
*/

package filter

import (
	"image"
)

// debugWindows is used for displaying debug information for the motion filters.
type debugWindows struct{}

// close frees resources used by gocv.
func (d *debugWindows) close() error { return nil }

// newWindows creates debugging windows for the motion filter.
func newWindows(name string) debugWindows { return debugWindows{} }

// show displays debug information for the motion filters.
func (d *debugWindows) show(img, imgDelta interface{}, motion bool, contours *[][]image.Point, text ...string) {
}