Esempio n. 1
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        public void XyzIndexerWorks()
        {
            var values = new float[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
            var csxyz  = new SKColorSpaceXyz(values);

            var counter = 0f;

            for (var y = 0; y < 3; y++)
            {
                for (var x = 0; x < 3; x++)
                {
                    Assert.Equal(++counter, csxyz[x, y]);
                }
            }
        }
Esempio n. 2
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        public void XyzCanInvert()
        {
            var values = new float[] {
                1, 2, 3,
                0, 1, 4,
                5, 6, 1,
            };
            var invertedValues = new float[] {
                -11.5f, 8, 2.5f,
                10, -7, -2,
                -2.5f, 2, 0.5f,
            };

            var csxyz    = new SKColorSpaceXyz(values);
            var inverted = csxyz.Invert();

            Assert.Equal(invertedValues, inverted.Values);
        }
Esempio n. 3
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        public void XyzToMatrix44IsCorrect()
        {
            var values44 = new float[] {
                1, 2, 3, 0,
                4, 5, 6, 0,
                7, 8, 9, 0,
                0, 0, 0, 1
            };
            var values = new float[] {
                1, 2, 3,
                4, 5, 6,
                7, 8, 9
            };

            var csxyz = new SKColorSpaceXyz(values);

            var matrix44 = csxyz.ToMatrix44();

            Assert.Equal(values44, matrix44.ToRowMajor());
        }
Esempio n. 4
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        public void XyzCanInverts()
        {
            var values = new[]
            {
                0.60974f, 0.20528f, 0.14919f,
                0.31111f, 0.62567f, 0.06322f,
                0.01947f, 0.06087f, 0.74457f,
            };
            var invertedValues = new[]
            {
                1.96253f, -0.61068f, -0.34137f,
                -0.97876f, 1.91615f, 0.03342f,
                0.02869f, -0.14067f, 1.34926f,
            };

            var csxyz    = new SKColorSpaceXyz(values);
            var inverted = csxyz.Invert();

            AssertSimilar(invertedValues, inverted.Values);
        }
Esempio n. 5
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        public void XyzCanConcat()
        {
            var expected = new SKColorSpaceXyz(new float[] {
                1, 16, 0,
                0, 18, 0,
                0, 0, 1
            });

            var a = new SKColorSpaceXyz(new float[] {
                1, 2, 0,
                0, 3, 0,
                0, 0, 1
            });
            var b = new SKColorSpaceXyz(new float[] {
                1, 4, 0,
                0, 6, 0,
                0, 0, 1
            });

            var concat = SKColorSpaceXyz.Concat(a, b);

            Assert.Equal(expected, concat);
        }