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 BC1Format().Compress(colors); // Assert against data hard-coded from a successful test // run where the data was built using unit tested components. Assert.AreEqual(0x7B, data[0]); // c0Low Assert.AreEqual(0xB7, data[1]); // c0Hi Assert.AreEqual(0xCC, data[2]); // c1Low Assert.AreEqual(0x01, data[3]); // c1Hi Assert.AreEqual(0xAD, data[4]); // indexes0 Assert.AreEqual(0xEB, data[5]); // indexes1 Assert.AreEqual(0x22, data[6]); // indexes2 Assert.AreEqual(0x83, data[7]); // indexes3 }
public void DecompressDataWithAlpha() { var bytes = new byte[BlockFormat.BC1ByteSize]; bytes[0] = 0xCC; // c0Low bytes[1] = 0x01; // c0Hi bytes[2] = 0x7B; // c1Low bytes[3] = 0xB7; // c1Hi bytes[4] = 0xAF; // indexes0 bytes[5] = 0xAF; // indexes1 bytes[6] = 0x6F; // indexes2 bytes[7] = 0x9F; // indexes3 var colors = new BC1Format().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(0, 0, 0, 0), colors[0]); Assert.AreEqual(Color.FromArgb(0, 0, 0, 0), colors[1]); Assert.AreEqual(Color.FromArgb(255, 90, 150, 165), colors[2]); Assert.AreEqual(Color.FromArgb(255, 90, 150, 165), colors[3]); Assert.AreEqual(Color.FromArgb(0, 0, 0, 0), colors[4]); Assert.AreEqual(Color.FromArgb(0, 0, 0, 0), colors[5]); Assert.AreEqual(Color.FromArgb(255, 90, 150, 165), colors[6]); Assert.AreEqual(Color.FromArgb(255, 90, 150, 165), colors[7]); Assert.AreEqual(Color.FromArgb(0, 0, 0, 0), colors[8]); Assert.AreEqual(Color.FromArgb(0, 0, 0, 0), colors[9]); Assert.AreEqual(Color.FromArgb(255, 90, 150, 165), colors[10]); Assert.AreEqual(Color.FromArgb(255, 181, 239, 222), colors[11]); Assert.AreEqual(Color.FromArgb(0, 0, 0, 0), colors[12]); Assert.AreEqual(Color.FromArgb(0, 0, 0, 0), colors[13]); Assert.AreEqual(Color.FromArgb(255, 181, 239, 222), colors[14]); Assert.AreEqual(Color.FromArgb(255, 90, 150, 165), colors[15]); }
public void DecompressionReturnsColorArrayOfCorrectSize() { var bytes = new byte[BlockFormat.BC1ByteSize]; var colors = new BC1Format().Decompress(bytes); Assert.AreEqual(BlockFormat.TexelCount, colors.Length); }
public void CompressionReturnsByteArrayOfCorrectSize() { var colors = new Color[BlockFormat.TexelCount]; var data = new BC1Format().Compress(colors); Assert.AreEqual(BlockFormat.BC1ByteSize, data.Length); }
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 BC1Format().Compress(colors); var color0 = Color565.FromValue((ushort)((data[1] << 8) | data[0])); var color1 = Color565.FromValue((ushort)((data[3] << 8) | data[2])); Assert.Greater(color0.Value, color1.Value); Assert.AreEqual(expectedColor0.Value, color0.Value); Assert.AreEqual(expectedColor1.Value, color1.Value); }
public void CompressionSwitchesReferenceColorOrderWhenAlpha() { var expectedMin = Color.FromArgb(10, 10, 10); var expectedMax = Color.FromArgb(250, 250, 250); var expectedColor0 = ColorUtility.To16Bit(expectedMin); var expectedColor1 = ColorUtility.To16Bit(expectedMax); var colors = ColorHelper.CreateRandomColorsBetween(expectedMin, expectedMax); // Place expected min and max color in test input colors[4] = expectedMin; colors[10] = expectedMax; // Add an arbitrary alpha value to some color ColorHelper.AddAlpha(ref colors[5]); var data = new BC1Format().Compress(colors); var color0 = Color565.FromValue((ushort)((data[1] << 8) | data[0])); var color1 = Color565.FromValue((ushort)((data[3] << 8) | data[2])); Assert.LessOrEqual(color0.Value, color1.Value); Assert.AreEqual(expectedColor0.Value, color0.Value); Assert.AreEqual(expectedColor1.Value, color1.Value); }