public void DecompressionReturnsColorArrayOfCorrectSize() { var bytes = new byte[BlockFormat.BC3ByteSize]; var colors = new BC3Format().Decompress(bytes); Assert.AreEqual(BlockFormat.TexelCount, colors.Length); }
public void CompressionReturnsByteArrayOfCorrectSize() { var colors = new Color[BlockFormat.TexelCount]; var data = new BC3Format().Compress(colors); Assert.AreEqual(BlockFormat.BC3ByteSize, data.Length); }
public void CompressColorsWithoutAlpha() { var colors = new Color[16]; colors[0] = Color.FromArgb(3, 59, 101); colors[1] = Color.FromArgb(131, 154, 20); colors[2] = Color.FromArgb(87, 192, 127); colors[3] = Color.FromArgb(203, 148, 14); colors[4] = Color.FromArgb(237, 62, 69); colors[5] = Color.FromArgb(173, 159, 102); colors[6] = Color.FromArgb(176, 199, 73); colors[7] = Color.FromArgb(118, 87, 228); colors[8] = Color.FromArgb(79, 169, 87); colors[9] = Color.FromArgb(179, 238, 219); colors[10] = Color.FromArgb(70, 207, 12); colors[11] = Color.FromArgb(81, 243, 109); colors[12] = Color.FromArgb(38, 79, 189); colors[13] = Color.FromArgb(249, 229, 125); colors[14] = Color.FromArgb(205, 237, 57); colors[15] = Color.FromArgb(190, 158, 111); var data = new BC3Format().Compress(colors); // Assert against data hard-coded from a successful test // run where the data was built using unit tested components. Assert.AreEqual(0xFF, data[0]); // alpha0 Assert.AreEqual(0xFF, data[1]); // alpha1 Assert.AreEqual(0x00, data[2]); // a-idx2 Assert.AreEqual(0x00, data[3]); // a-idx1 Assert.AreEqual(0x00, data[4]); // a-idx0 Assert.AreEqual(0x00, data[5]); // a-idx5 Assert.AreEqual(0x00, data[6]); // a-idx4 Assert.AreEqual(0x00, data[7]); // a-idx3 Assert.AreEqual(0x7B, data[8]); // c0Low Assert.AreEqual(0xB7, data[9]); // c0Hi Assert.AreEqual(0xCC, data[10]); // c1Low Assert.AreEqual(0x01, data[11]); // c1Hi Assert.AreEqual(0xAD, data[12]); // c-idx0 Assert.AreEqual(0xEB, data[13]); // c-idx1 Assert.AreEqual(0x22, data[14]); // c-idx2 Assert.AreEqual(0x83, data[15]); // c-idx3 }
public void DecompressDataWithAlpha() { var bytes = new byte[BlockFormat.BC3ByteSize]; bytes[0] = 0xDC; // alpha0 bytes[1] = 0x0A; // alpha1 bytes[2] = 0x04; // a-idx2 bytes[3] = 0x00; // a-idx1 bytes[4] = 0x49; // a-idx0 bytes[5] = 0x20; // a-idx5 bytes[6] = 0x80; // a-idx4 bytes[7] = 0x08; // a-idx3 bytes[8] = 0x7B; // c0Low bytes[9] = 0xB7; // c0Hi bytes[10] = 0xCC; // c1Low bytes[11] = 0x01; // c1Hi bytes[12] = 0xAD; // c-idx0 bytes[13] = 0xEB; // c-idx1 bytes[14] = 0x22; // c-idx2 bytes[15] = 0x83; // c-idx3 var colors = new BC3Format().Decompress(bytes); // Assert against data hard-coded from a successful test // run where the data was built using unit tested components. Assert.AreEqual(Color.FromArgb(10, 0, 56, 99), colors[0]); Assert.AreEqual(Color.FromArgb(10, 57, 117, 140), colors[1]); Assert.AreEqual(Color.FromArgb(10, 123, 178, 181), colors[2]); Assert.AreEqual(Color.FromArgb(220, 123, 178, 181), colors[3]); Assert.AreEqual(Color.FromArgb(220, 57, 117, 140), colors[4]); Assert.AreEqual(Color.FromArgb(220, 123, 178, 181), colors[5]); Assert.AreEqual(Color.FromArgb(10, 123, 178, 181), colors[6]); Assert.AreEqual(Color.FromArgb(220, 57, 117, 140), colors[7]); Assert.AreEqual(Color.FromArgb(220, 123, 178, 181), colors[8]); Assert.AreEqual(Color.FromArgb(10, 181, 239, 222), colors[9]); Assert.AreEqual(Color.FromArgb(220, 123, 178, 181), colors[10]); Assert.AreEqual(Color.FromArgb(220, 181, 239, 222), colors[11]); Assert.AreEqual(Color.FromArgb(220, 57, 117, 140), colors[12]); Assert.AreEqual(Color.FromArgb(10, 181, 239, 222), colors[13]); Assert.AreEqual(Color.FromArgb(220, 181, 239, 222), colors[14]); Assert.AreEqual(Color.FromArgb(10, 123, 178, 181), colors[15]); }
public void CompressionOrdersReferenceColors() { var expectedMin = Color.FromArgb(10, 10, 10); var expectedMax = Color.FromArgb(250, 250, 250); var expectedColor0 = ColorUtility.To16Bit(expectedMax); var expectedColor1 = ColorUtility.To16Bit(expectedMin); var colors = ColorHelper.CreateRandomColorsBetween(expectedMin, expectedMax); // Place expected min and max color in test input colors[4] = expectedMin; colors[10] = expectedMax; var data = new BC3Format().Compress(colors); var color0 = Color565.FromValue((ushort)((data[9] << 8) | data[8])); var color1 = Color565.FromValue((ushort)((data[11] << 8) | data[10])); Assert.Greater(color0.Value, color1.Value); Assert.AreEqual(expectedColor0.Value, color0.Value); Assert.AreEqual(expectedColor1.Value, color1.Value); }