#!/usr/bin/env ruby # -*- mode: ruby; coding: utf-8-unix -*- require 'test/unit' require 'opencv' require File.expand_path(File.dirname(__FILE__)) + '/helper' include OpenCV # Tests for OpenCV::CvContour class TestCvContour < OpenCVTestCase def test_APPROX_OPTION assert_equal(0, CvContour::APPROX_OPTION[:method]) assert_equal(1.0, CvContour::APPROX_OPTION[:accuracy]) assert_false(CvContour::APPROX_OPTION[:recursive]) end def test_initialize contour = CvContour.new assert_not_nil(contour) assert_equal(CvContour, contour.class) assert(contour.is_a? CvSeq) end def test_rect contour = CvContour.new assert_not_nil(contour.rect) assert_equal(CvRect, contour.rect.class) end def test_color contour = CvContour.new assert_equal(0, contour.color) contour.color = 1 assert_equal(1, contour.color) end def test_reserved reserved = CvContour.new.reserved assert_equal(Array, reserved.class) assert_equal(3, reserved.size) end def test_approx_poly flunk('FIXME: CvContour#approx_poly is not implemented yet.') end def test_bounding_rect mat0 = create_cvmat(128, 128, :cv8u, 1) { |j, i| (j - 64) ** 2 + (i - 64) ** 2 <= (32 ** 2) ? CvColor::White : CvColor::Black } contours = mat0.find_contours rect = contours.bounding_rect assert_equal(CvRect, rect.class) assert_equal(32, rect.x) assert_equal(32, rect.y) assert_equal(65, rect.width) assert_equal(65, rect.height) end def test_create_tree mat0 = create_cvmat(128, 128, :cv8u, 1) { |j, i| (j - 64) ** 2 + (i - 64) ** 2 <= (32 ** 2) ? CvColor::White : CvColor::Black } contour = mat0.find_contours tree = contour.create_tree assert_equal(CvContourTree, tree.class) assert_equal(34, tree.p1.x) assert_equal(53, tree.p1.y) assert_equal(0, tree.p2.x) assert_equal(0, tree.p2.y) end def test_in mat0 = create_cvmat(128, 128, :cv8u, 1) { |j, i| (j - 64) ** 2 + (i - 64) ** 2 <= (32 ** 2) ? CvColor::White : CvColor::Black } contour = mat0.find_contours assert(contour.in? CvPoint.new(64, 64)) assert_false(contour.in? CvPoint.new(0, 0)) assert_nil(contour.in? CvPoint.new(64, 32)) end def test_measure_distance mat0 = create_cvmat(128, 128, :cv8u, 1) { |j, i| (j - 64) ** 2 + (i - 64) ** 2 <= (32 ** 2) ? CvColor::White : CvColor::Black } contour = mat0.find_contours assert_in_delta(-0.7071, contour.measure_distance(CvPoint.new(63, 32)), 0.01) assert_in_delta(31.01, contour.measure_distance(CvPoint.new(64, 64)), 0.01) end def test_point_polygon_test mat0 = create_cvmat(128, 128, :cv8u, 1) { |j, i| (j - 64) ** 2 + (i - 64) ** 2 <= (32 ** 2) ? CvColor::White : CvColor::Black } contour = mat0.find_contours assert_equal(1, contour.point_polygon_test(CvPoint.new(64, 64), 0)) assert_equal(1, contour.point_polygon_test(CvPoint.new(64, 64), false)) assert_equal(-1, contour.point_polygon_test(CvPoint.new(0, 0), 0)) assert_equal(-1, contour.point_polygon_test(CvPoint.new(0, 0), false)) assert_equal(0, contour.point_polygon_test(CvPoint.new(64, 32), 0)) assert_equal(0, contour.point_polygon_test(CvPoint.new(64, 32), false)) assert_in_delta(-0.7071, contour.point_polygon_test(CvPoint.new(63, 32), 1), 0.01) assert_in_delta(-0.7071, contour.point_polygon_test(CvPoint.new(63, 32), true), 0.01) assert_in_delta(31.01, contour.point_polygon_test(CvPoint.new(64, 64), 1), 0.01) assert_in_delta(31.01, contour.point_polygon_test(CvPoint.new(64, 64), true), 0.01) end end