public void Bgr565()
{
// Test the limits.
Assert.Equal(0x0, new Bgr565(Vector3.Zero).PackedValue);
Assert.Equal(0xFFFF, new Bgr565(Vector3.One).PackedValue);
// Test ToVector3.
Assert.True(Equal(Vector3.One, new Bgr565(Vector3.One).ToVector3()));
Assert.True(Equal(Vector3.Zero, new Bgr565(Vector3.Zero).ToVector3()));
Assert.True(Equal(Vector3.UnitX, new Bgr565(Vector3.UnitX).ToVector3()));
Assert.True(Equal(Vector3.UnitY, new Bgr565(Vector3.UnitY).ToVector3()));
Assert.True(Equal(Vector3.UnitZ, new Bgr565(Vector3.UnitZ).ToVector3()));
// Test ToScaledVector4.
Vector4 scaled = new Bgr565(Vector3.One).ToScaledVector4();
Assert.Equal(1, scaled.X);
Assert.Equal(1, scaled.Y);
Assert.Equal(1, scaled.Z);
Assert.Equal(1, scaled.W);
// Test PackFromScaledVector4.
var pixel = default(Bgr565);
pixel.PackFromScaledVector4(scaled);
Assert.Equal(0xFFFF, pixel.PackedValue);
// Test clamping.
Assert.True(Equal(Vector3.Zero, new Bgr565(Vector3.One * -1234F).ToVector3()));
Assert.True(Equal(Vector3.One, new Bgr565(Vector3.One * 1234F).ToVector3()));
// Make sure the swizzle is correct.
Assert.Equal(0xF800, new Bgr565(Vector3.UnitX).PackedValue);
Assert.Equal(0x07E0, new Bgr565(Vector3.UnitY).PackedValue);
Assert.Equal(0x001F, new Bgr565(Vector3.UnitZ).PackedValue);
float x = 0.1F;
float y = -0.3F;
float z = 0.5F;
Assert.Equal(6160, new Bgr565(x, y, z).PackedValue);
// Test ordering
var rgb = default(Rgb24);
var rgba = default(Rgba32);
var bgr = default(Bgr24);
var bgra = default(Bgra32);
new Bgr565(x, y, z).ToRgb24(ref rgb);
Assert.Equal(rgb, new Rgb24(25, 0, 132));
new Bgr565(x, y, z).ToRgba32(ref rgba);
Assert.Equal(rgba, new Rgba32(25, 0, 132, 255));
new Bgr565(x, y, z).ToBgr24(ref bgr);
Assert.Equal(bgr, new Bgr24(25, 0, 132));
new Bgr565(x, y, z).ToBgra32(ref bgra);
Assert.Equal(bgra, new Bgra32(25, 0, 132, 255));
}
/// <summary>
/// 指定された単色ビットマップ画像をDXT3テクスチャへ変換する
/// </summary>
/// <param name="source">変換元画像</param>
/// <param name="color0">単色カラー</param>
/// <returns>DXT3圧縮された画像</returns>
public static Dxt3BitmapContent Compress(PixelBitmapContent <Color> source,
Color color0)
{
// DXT3ブロックデータを格納するためのバッファを確保
byte[] outputData = new byte[source.Width * source.Height];
// 単色カラーをBGR565に変換する
ushort packedColor = new Bgr565(color0.ToVector3()).PackedValue;
// 指定された画像を圧縮ブロック単位に処理をする
int outputIndex = 0;
for (int blockY = 0; blockY < source.Height; blockY += 4)
{
for (int blockX = 0; blockX < source.Width; blockX += 4)
{
CompressDxt3Block(source, blockX, blockY, packedColor,
outputData, outputIndex);
outputIndex += 16;
}
}
// DXT3テクスチャの生成と圧縮したブロックデータの設定
var result = new Dxt3BitmapContent(source.Width, source.Height);
result.SetPixelData(outputData);
return(result);
}
/// <summary>
/// 指定された単色ビットマップ画像をDXT3テクスチャへ変換する
/// </summary>
/// <param name="source">変換元画像</param>
/// <param name="color0">単色カラー</param>
/// <returns>DXT3圧縮された画像</returns>
public static Dxt3BitmapContent Compress(PixelBitmapContent<Color> source,
Color color0)
{
// DXT3ブロックデータを格納するためのバッファを確保
byte[] outputData = new byte[source.Width * source.Height];
// 単色カラーをBGR565に変換する
ushort packedColor = new Bgr565(color0.ToVector3()).PackedValue;
// 指定された画像を圧縮ブロック単位に処理をする
int outputIndex = 0;
for (int blockY = 0; blockY < source.Height; blockY += 4)
{
for (int blockX = 0; blockX < source.Width; blockX += 4)
{
CompressDxt3Block(source, blockX, blockY, packedColor,
outputData, outputIndex);
outputIndex += 16;
}
}
// DXT3テクスチャの生成と圧縮したブロックデータの設定
var result = new Dxt3BitmapContent(source.Width, source.Height);
result.SetPixelData(outputData);
return result;
}
public void AreNotEqual()
{
var color1 = new Bgr565(0.0f, 0.0f, 0.0f);
var color2 = new Bgr565(new Vector3(1.0f));
var color3 = new Bgr565(new Vector3(1.0f, 0.0f, 0.0f));
var color4 = new Bgr565(1.0f, 1.0f, 0.0f);
Assert.NotEqual(color1, color2);
Assert.NotEqual(color3, color4);
}
public void Bgr565_ToRgba32()
{
// arrange
var bgra = new Bgr565(Vector3.One);
var expected = new Rgba32(Vector4.One);
var actual = default(Rgba32);
// act
bgra.ToRgba32(ref actual);
Assert.Equal(expected, actual);
}
public void BitmapConvertFullNoResize()
{
var b1 = new PixelBitmapContent<Color>(8, 8);
Fill(b1, Color.Red);
var b2 = new PixelBitmapContent<Bgr565>(8, 8);
BitmapContent.Copy(b1, b2);
var packed = new Bgr565(1.0f, 0.0f, 0.0f);
for (var y = 0; y < b2.Height; y++)
for (var x = 0; x < b2.Width; x++)
Assert.AreEqual(packed, b2.GetPixel(x, y));
}
public void Bgr565_ToRgba32()
{
// arrange
var bgra = new Bgr565(0.1F, -0.3F, 0.5F);
var actual = default(Rgba32);
var expected = new Rgba32(25, 0, 132, 255);
// act
bgra.ToRgba32(ref actual);
// assert
Assert.Equal(expected, actual);
}
public void Bgr565_ToBgr24()
{
// arrange
var bgra = new Bgr565(0.1F, -0.3F, 0.5F);
var actual = default(Bgr24);
var expected = new Bgr24(25, 0, 132);
// act
bgra.ToBgr24(ref actual);
// assert
Assert.Equal(expected, actual);
}
public void Bgr565_FromScaledVector4()
{
// arrange
Vector4 scaled = new Bgr565(Vector3.One).ToScaledVector4();
int expected = 0xFFFF;
var pixel = default(Bgr565);
// act
pixel.FromScaledVector4(scaled);
ushort actual = pixel.PackedValue;
// assert
Assert.Equal(expected, actual);
}
public void Bgr565_ToScaledVector4()
{
// arrange
var bgr = new Bgr565(Vector3.One);
// act
Vector4 actual = bgr.ToScaledVector4();
// assert
Assert.Equal(1, actual.X);
Assert.Equal(1, actual.Y);
Assert.Equal(1, actual.Z);
Assert.Equal(1, actual.W);
}
public void BitmapConvertFullNoResize()
{
var b1 = new PixelBitmapContent <Color>(8, 8);
Fill(b1, Color.Red);
var b2 = new PixelBitmapContent <Bgr565>(8, 8);
BitmapContent.Copy(b1, b2);
var packed = new Bgr565(1.0f, 0.0f, 0.0f);
for (var y = 0; y < b2.Height; y++)
{
for (var x = 0; x < b2.Width; x++)
{
Assert.AreEqual(packed, b2.GetPixel(x, y));
}
}
}
private Image <Bgr565> DecodeFormat1(IBinaryStream reader)
{
var data = reader.ReadBytesExact(_alignedWidth * _alignedHeight * 2);
var pixels = new Bgr565[Width * Height];
foreach (var i in Range(_alignedWidth * _alignedHeight))
{
var x = GetX(i, _alignedWidth, 2);
var y = GetY(i, _alignedWidth, 2);
if (x >= Width || y >= Height)
{
continue;
}
var src = i * 2;
pixels[x + y * Width].PackedValue = checked ((ushort)(data[src] | (data[src + 1] << 8)));
}
return(Image.LoadPixelData(pixels, Width, Height));
}
public void Bgr565()
{
// Test the limits.
Assert.AreEqual(0x0, new Bgr565(Vector3.Zero).PackedValue);
Assert.AreEqual(0xFFFF, new Bgr565(Vector3.One).PackedValue);
// Test ToVector3.
Assert.AreEqual(Vector3.One, new Bgr565(Vector3.One).ToVector3());
Assert.AreEqual(Vector3.Zero, new Bgr565(Vector3.Zero).ToVector3());
Assert.AreEqual(Vector3.UnitX, new Bgr565(Vector3.UnitX).ToVector3());
Assert.AreEqual(Vector3.UnitY, new Bgr565(Vector3.UnitY).ToVector3());
Assert.AreEqual(Vector3.UnitZ, new Bgr565(Vector3.UnitZ).ToVector3());
// Test clamping.
Assert.AreEqual(Vector3.Zero, new Bgr565(Vector3.One * -1234.0f).ToVector3());
Assert.AreEqual(Vector3.One, new Bgr565(Vector3.One * 1234.0f).ToVector3());
// Make sure the swizzle is correct.
Assert.AreEqual(0xF800, new Bgr565(Vector3.UnitX).PackedValue);
Assert.AreEqual(0x07E0, new Bgr565(Vector3.UnitY).PackedValue);
Assert.AreEqual(0x001F, new Bgr565(Vector3.UnitZ).PackedValue);
float x = 0.1f;
float y = -0.3f;
float z = 0.5f;
Assert.AreEqual(6160, new Bgr565(x, y, z).PackedValue);
var packed = new Bgr565(x, y, z).PackedValue;
var unpacked = new Bgr565()
{
PackedValue = packed
}.ToVector3();
Assert.AreEqual(x, unpacked.X, 0.1f);
Assert.AreEqual(0f, unpacked.Y);
Assert.AreEqual(z, unpacked.Z, 0.1f);
}
private void GetColorData(Texture2D texture2D)
{
int colorDataLength = texture2D.Width * texture2D.Height;
colorData = new Color[colorDataLength];
switch (texture2D.Format)
{
case SurfaceFormat.Color:
texture2D.GetData<Color>(colorData);
break;
case SurfaceFormat.Alpha8:
var alpha8Data = new Alpha8[colorDataLength];
texture2D.GetData<Alpha8>(alpha8Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)alpha8Data[i]).ToVector4());
}
break;
case SurfaceFormat.Bgr565:
var bgr565Data = new Bgr565[colorDataLength];
texture2D.GetData<Bgr565>(bgr565Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)bgr565Data[i]).ToVector4());
}
break;
case SurfaceFormat.Bgra4444:
var bgra4444Data = new Bgra4444[colorDataLength];
texture2D.GetData<Bgra4444>(bgra4444Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)bgra4444Data[i]).ToVector4());
}
break;
case SurfaceFormat.Bgra5551:
var bgra5551Data = new Bgra5551[colorDataLength];
texture2D.GetData<Bgra5551>(bgra5551Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)bgra5551Data[i]).ToVector4());
}
break;
case SurfaceFormat.HalfSingle:
var halfSingleData = new HalfSingle[colorDataLength];
texture2D.GetData<HalfSingle>(halfSingleData);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)halfSingleData[i]).ToVector4());
}
break;
case SurfaceFormat.HalfVector2:
var halfVector2Data = new HalfVector2[colorDataLength];
texture2D.GetData<HalfVector2>(halfVector2Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)halfVector2Data[i]).ToVector4());
}
break;
case SurfaceFormat.HalfVector4:
var halfVector4Data = new HalfVector4[colorDataLength];
texture2D.GetData<HalfVector4>(halfVector4Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)halfVector4Data[i]).ToVector4());
}
break;
case SurfaceFormat.NormalizedByte2:
var normalizedByte2Data = new NormalizedByte2[colorDataLength];
texture2D.GetData<NormalizedByte2>(normalizedByte2Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)normalizedByte2Data[i]).ToVector4());
}
break;
case SurfaceFormat.NormalizedByte4:
var normalizedByte4Data = new NormalizedByte4[colorDataLength];
texture2D.GetData<NormalizedByte4>(normalizedByte4Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)normalizedByte4Data[i]).ToVector4());
}
break;
case SurfaceFormat.Rg32:
var rg32Data = new Rg32[colorDataLength];
texture2D.GetData<Rg32>(rg32Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)rg32Data[i]).ToVector4());
}
break;
case SurfaceFormat.Rgba64:
var rgba64Data = new Rgba64[colorDataLength];
texture2D.GetData<Rgba64>(rgba64Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)rgba64Data[i]).ToVector4());
}
break;
case SurfaceFormat.Rgba1010102:
var rgba1010102Data = new Rgba1010102[colorDataLength];
texture2D.GetData<Rgba1010102>(rgba1010102Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)rgba1010102Data[i]).ToVector4());
}
break;
default:
throw new Exception("Texture surface format not supported");
}
}
private void GetColorData(Texture2D texture2D)
{
int colorDataLength = texture2D.Width * texture2D.Height;
colorData = new Color[colorDataLength];
switch (texture2D.Format)
{
case SurfaceFormat.Single:
var floatData = new float[colorDataLength];
texture2D.GetData <float>(floatData);
for (int i = 0; i < colorDataLength; i++)
{
float brightness = floatData[i];
// Export as a greyscale image.
colorData[i] = new Color(brightness, brightness, brightness);
}
break;
case SurfaceFormat.Color:
texture2D.GetData <Color>(colorData);
break;
case SurfaceFormat.Alpha8:
var alpha8Data = new Alpha8[colorDataLength];
texture2D.GetData <Alpha8>(alpha8Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)alpha8Data[i]).ToVector4());
}
break;
case SurfaceFormat.Bgr565:
var bgr565Data = new Bgr565[colorDataLength];
texture2D.GetData <Bgr565>(bgr565Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)bgr565Data[i]).ToVector4());
}
break;
case SurfaceFormat.Bgra4444:
var bgra4444Data = new Bgra4444[colorDataLength];
texture2D.GetData <Bgra4444>(bgra4444Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)bgra4444Data[i]).ToVector4());
}
break;
case SurfaceFormat.Bgra5551:
var bgra5551Data = new Bgra5551[colorDataLength];
texture2D.GetData <Bgra5551>(bgra5551Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)bgra5551Data[i]).ToVector4());
}
break;
case SurfaceFormat.HalfSingle:
var halfSingleData = new HalfSingle[colorDataLength];
texture2D.GetData <HalfSingle>(halfSingleData);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)halfSingleData[i]).ToVector4());
}
break;
case SurfaceFormat.HalfVector2:
var halfVector2Data = new HalfVector2[colorDataLength];
texture2D.GetData <HalfVector2>(halfVector2Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)halfVector2Data[i]).ToVector4());
}
break;
case SurfaceFormat.HalfVector4:
var halfVector4Data = new HalfVector4[colorDataLength];
texture2D.GetData <HalfVector4>(halfVector4Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)halfVector4Data[i]).ToVector4());
}
break;
case SurfaceFormat.NormalizedByte2:
var normalizedByte2Data = new NormalizedByte2[colorDataLength];
texture2D.GetData <NormalizedByte2>(normalizedByte2Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)normalizedByte2Data[i]).ToVector4());
}
break;
case SurfaceFormat.NormalizedByte4:
var normalizedByte4Data = new NormalizedByte4[colorDataLength];
texture2D.GetData <NormalizedByte4>(normalizedByte4Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)normalizedByte4Data[i]).ToVector4());
}
break;
case SurfaceFormat.Rg32:
var rg32Data = new Rg32[colorDataLength];
texture2D.GetData <Rg32>(rg32Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)rg32Data[i]).ToVector4());
}
break;
case SurfaceFormat.Rgba64:
var rgba64Data = new Rgba64[colorDataLength];
texture2D.GetData <Rgba64>(rgba64Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)rgba64Data[i]).ToVector4());
}
break;
case SurfaceFormat.Rgba1010102:
var rgba1010102Data = new Rgba1010102[colorDataLength];
texture2D.GetData <Rgba1010102>(rgba1010102Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(((IPackedVector)rgba1010102Data[i]).ToVector4());
}
break;
default:
throw new Exception("Texture surface format not supported");
}
}
internal Color[] GetColorData()
{
int colorDataLength = Width * Height;
var colorData = new Color[colorDataLength];
switch (Format)
{
case SurfaceFormat.Single:
var floatData = new float[colorDataLength];
GetData(floatData);
for (int i = 0; i < colorDataLength; i++)
{
float brightness = floatData[i];
// Export as a greyscale image.
colorData[i] = new Color(brightness, brightness, brightness);
}
break;
case SurfaceFormat.Color:
GetData(colorData);
break;
case SurfaceFormat.Alpha8:
var alpha8Data = new Alpha8[colorDataLength];
GetData(alpha8Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(alpha8Data[i].ToVector4());
}
break;
case SurfaceFormat.Bgr565:
var bgr565Data = new Bgr565[colorDataLength];
GetData(bgr565Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(bgr565Data[i].ToVector4());
}
break;
case SurfaceFormat.Bgra4444:
var bgra4444Data = new Bgra4444[colorDataLength];
GetData(bgra4444Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(bgra4444Data[i].ToVector4());
}
break;
case SurfaceFormat.Bgra5551:
var bgra5551Data = new Bgra5551[colorDataLength];
GetData(bgra5551Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(bgra5551Data[i].ToVector4());
}
break;
case SurfaceFormat.HalfSingle:
var halfSingleData = new HalfSingle[colorDataLength];
GetData(halfSingleData);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(halfSingleData[i].ToVector4());
}
break;
case SurfaceFormat.HalfVector2:
var halfVector2Data = new HalfVector2[colorDataLength];
GetData(halfVector2Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(halfVector2Data[i].ToVector4());
}
break;
case SurfaceFormat.HalfVector4:
var halfVector4Data = new HalfVector4[colorDataLength];
GetData(halfVector4Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(halfVector4Data[i].ToVector4());
}
break;
case SurfaceFormat.NormalizedByte2:
var normalizedByte2Data = new NormalizedByte2[colorDataLength];
GetData(normalizedByte2Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(normalizedByte2Data[i].ToVector4());
}
break;
case SurfaceFormat.NormalizedByte4:
var normalizedByte4Data = new NormalizedByte4[colorDataLength];
GetData(normalizedByte4Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(normalizedByte4Data[i].ToVector4());
}
break;
case SurfaceFormat.Rg32:
var rg32Data = new Rg32[colorDataLength];
GetData(rg32Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(rg32Data[i].ToVector4());
}
break;
case SurfaceFormat.Rgba64:
var rgba64Data = new Rgba64[colorDataLength];
GetData(rgba64Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(rgba64Data[i].ToVector4());
}
break;
case SurfaceFormat.Rgba1010102:
var rgba1010102Data = new Rgba1010102[colorDataLength];
GetData(rgba1010102Data);
for (int i = 0; i < colorDataLength; i++)
{
colorData[i] = new Color(rgba1010102Data[i].ToVector4());
}
break;
default:
throw new Exception("Texture surface format not supported");
}
return(colorData);
}
