#!/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::CvScalar class TestCvScalar < OpenCVTestCase def test_initialize s = CvScalar.new assert_in_delta([0, 0, 0, 0], s, 0.01) s = CvScalar.new(1.1) assert_in_delta([1.1, 0, 0, 0], s, 0.01) s = CvScalar.new(1.1, 2.2) assert_in_delta([1.1, 2.2, 0, 0], s, 0.01) s = CvScalar.new(1.1, 2.2, 3.3) assert_in_delta([1.1, 2.2, 3.3, 0], s, 0.01) s = CvScalar.new(1.1, 2.2, 3.3, 4.4) assert_in_delta([1.1, 2.2, 3.3, 4.4], s, 0.01) end def test_aref assert_in_delta([0, 0, 0, 0], CvScalar.new, 0.01) assert_in_delta([10, 20, 30, 40], CvScalar.new(10, 20, 30, 40), 0.01) assert_in_delta([0.1, 0.2, 0.3, 0.4], CvScalar.new(0.1, 0.2, 0.3, 0.4), 0.01) end def test_aset s = CvScalar.new [10, 20, 30, 40].each_with_index { |x, i| s[i] = x } assert_in_delta([10, 20, 30, 40], s, 0.01) s = CvScalar.new [0.1, 0.2, 0.3, 0.4].each_with_index { |x, i| s[i] = x } assert_in_delta([0.1, 0.2, 0.3, 0.4], s, 0.01) end def test_sub s1 = CvScalar.new(10, 20, 30, 40) s2 = CvScalar.new(2, 4, 6, 8) [s1.sub(s2), s1 - s2].each { |s| assert_in_delta([8, 16, 24, 32], s, 0.01) } s3 = CvScalar.new(0.2, 0.4, 0.6, 0.8) [s2.sub(s3), s2 - s3].each { |s| assert_in_delta([1.8, 3.6, 5.4, 7.2], s, 0.01) } mat = CvMat.new(5, 5) mask = CvMat.new(5, 5, :cv8u, 1) mat.height.times { |j| mat.width.times { |i| mat[i, j] = CvScalar.new(1.5) mask[i, j] = (i < 2 and j < 3) ? 1 : 0 } } mat = CvScalar.new(0.1).sub(mat, mask) [CvMat.new(5, 5, :cv16u, 1), CvMat.new(5, 5, :cv8u, 3)].each { |mask| assert_raise(TypeError) { CvScalar.new.sub(mat, mask) } } end def test_to_s assert_equal("", CvScalar.new(10, 20, 30, 40).to_s) assert_equal("", CvScalar.new(0.1, 0.2, 0.3, 0.4).to_s) end def test_to_ary [[10, 20, 30, 40], [0.1, 0.2, 0.3, 0.4]].each { |a| s = CvScalar.new(*a) b = s.to_ary assert_equal(Array, b.class) assert_in_delta(a, b, 0.01) } end def test_cvcolor assert_cvscalar_equal(CvColor::Black, CvScalar.new(0x0, 0x0, 0x0, 0)) assert_cvscalar_equal(CvColor::Silver, CvScalar.new(0x0c, 0x0c, 0x0c, 0)) assert_cvscalar_equal(CvColor::Gray, CvScalar.new(0x80, 0x80, 0x80, 0)) assert_cvscalar_equal(CvColor::White, CvScalar.new(0xff, 0xff, 0xff, 0)) assert_cvscalar_equal(CvColor::Maroon, CvScalar.new(0x0, 0x0, 0x80, 0)) assert_cvscalar_equal(CvColor::Red, CvScalar.new(0x0, 0x0, 0xff, 0)) assert_cvscalar_equal(CvColor::Purple, CvScalar.new(0x80, 0x0, 0x80, 0)) assert_cvscalar_equal(CvColor::Fuchsia, CvScalar.new(0xff, 0x0, 0xff, 0)) assert_cvscalar_equal(CvColor::Green, CvScalar.new(0x0, 0x80, 0x0, 0)) assert_cvscalar_equal(CvColor::Lime, CvScalar.new(0x0, 0xff, 0x0, 0)) assert_cvscalar_equal(CvColor::Olive, CvScalar.new(0x0, 0x80, 0x80, 0)) assert_cvscalar_equal(CvColor::Yellow, CvScalar.new(0x0, 0xff, 0xff, 0)) assert_cvscalar_equal(CvColor::Navy, CvScalar.new(0x80, 0x0, 0x0, 0)) assert_cvscalar_equal(CvColor::Blue, CvScalar.new(0xff, 0x0, 0x0, 0)) assert_cvscalar_equal(CvColor::Teal, CvScalar.new(0x80, 0x80, 0x0, 0)) assert_cvscalar_equal(CvColor::Aqua, CvScalar.new(0xff, 0xff, 0x0, 0)) end end