/// <param name="bitsPerSample">The number of bits per sample for each pixel.</param>
/// <param name="colorMap">The RGB color lookup table to use for decoding the image.</param>
public PaletteTiffColor(TiffBitsPerSample bitsPerSample, ushort[] colorMap)
{
this.bitsPerSample0 = bitsPerSample.Channel0;
int colorCount = 1 << this.bitsPerSample0;
this.palette = GeneratePalette(colorMap, colorCount);
}
public void Decode_WritesPixelData_8Bit(byte[] inputData, TiffBitsPerSample bitsPerSample, int left, int top, int width, int height, Rgba32[][] expectedResult)
{
AssertDecode(expectedResult, pixels =>
{
new Rgb888TiffColor <Rgba32>(Configuration.Default).Decode(inputData, pixels, left, top, width, height);
});
}
public void Decode_WritesPixelData(
byte[][] inputData,
TiffBitsPerSample bitsPerSample,
int left,
int top,
int width,
int height,
Rgba32[][] expectedResult)
=> AssertDecode(
expectedResult,
pixels =>
{
var buffers = new IMemoryOwner <byte> [inputData.Length];
for (int i = 0; i < buffers.Length; i++)
{
buffers[i] = Configuration.Default.MemoryAllocator.Allocate <byte>(inputData[i].Length);
((Span <byte>)inputData[i]).CopyTo(buffers[i].GetSpan());
}
new RgbPlanarTiffColor <Rgba32>(bitsPerSample).Decode(buffers, pixels, left, top, width, height);
foreach (IMemoryOwner <byte> buffer in buffers)
{
buffer.Dispose();
}
});
public static TiffBasePlanarColorDecoder <TPixel> CreatePlanar(
TiffColorType colorType,
TiffBitsPerSample bitsPerSample,
ushort[] colorMap,
Rational[] referenceBlackAndWhite,
Rational[] ycbcrCoefficients,
ushort[] ycbcrSubSampling,
ByteOrder byteOrder)
{
switch (colorType)
{
case TiffColorType.Rgb888Planar:
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new RgbPlanarTiffColor <TPixel>(bitsPerSample));
case TiffColorType.YCbCrPlanar:
return(new YCbCrPlanarTiffColor <TPixel>(referenceBlackAndWhite, ycbcrCoefficients, ycbcrSubSampling));
case TiffColorType.Rgb161616Planar:
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new Rgb16PlanarTiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.Rgb242424Planar:
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new Rgb24PlanarTiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.Rgb323232Planar:
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new Rgb32PlanarTiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
default:
throw TiffThrowHelper.InvalidColorType(colorType.ToString());
}
}
public RgbPlanarTiffColor(TiffBitsPerSample bitsPerSample)
{
this.bitsPerSampleR = bitsPerSample.Channel0;
this.bitsPerSampleG = bitsPerSample.Channel1;
this.bitsPerSampleB = bitsPerSample.Channel2;
this.rFactor = (1 << this.bitsPerSampleR) - 1.0f;
this.gFactor = (1 << this.bitsPerSampleG) - 1.0f;
this.bFactor = (1 << this.bitsPerSampleB) - 1.0f;
}
public WhiteIsZeroTiffColor(TiffBitsPerSample bitsPerSample)
{
this.bitsPerSample0 = bitsPerSample.Channel0;
this.factor = (float)Math.Pow(2, this.bitsPerSample0) - 1.0f;
}
public BlackIsZeroTiffColor(TiffBitsPerSample bitsPerSample)
{
this.bitsPerSample0 = bitsPerSample.Channel0;
this.factor = (1 << this.bitsPerSample0) - 1.0f;
}
public static TiffBaseColorDecoder <TPixel> Create(
Configuration configuration,
MemoryAllocator memoryAllocator,
TiffColorType colorType,
TiffBitsPerSample bitsPerSample,
ushort[] colorMap,
Rational[] referenceBlackAndWhite,
Rational[] ycbcrCoefficients,
ushort[] ycbcrSubSampling,
ByteOrder byteOrder)
{
switch (colorType)
{
case TiffColorType.WhiteIsZero:
DebugGuard.IsTrue(bitsPerSample.Channels == 1, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new WhiteIsZeroTiffColor <TPixel>(bitsPerSample));
case TiffColorType.WhiteIsZero1:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 1, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new WhiteIsZero1TiffColor <TPixel>());
case TiffColorType.WhiteIsZero4:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 4, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new WhiteIsZero4TiffColor <TPixel>());
case TiffColorType.WhiteIsZero8:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 8, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new WhiteIsZero8TiffColor <TPixel>());
case TiffColorType.WhiteIsZero16:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 16, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new WhiteIsZero16TiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.WhiteIsZero24:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 24, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new WhiteIsZero24TiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.WhiteIsZero32:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 32, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new WhiteIsZero32TiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.WhiteIsZero32Float:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 32, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new WhiteIsZero32FloatTiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.BlackIsZero:
DebugGuard.IsTrue(bitsPerSample.Channels == 1, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new BlackIsZeroTiffColor <TPixel>(bitsPerSample));
case TiffColorType.BlackIsZero1:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 1, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new BlackIsZero1TiffColor <TPixel>());
case TiffColorType.BlackIsZero4:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 4, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new BlackIsZero4TiffColor <TPixel>());
case TiffColorType.BlackIsZero8:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 8, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new BlackIsZero8TiffColor <TPixel>(configuration));
case TiffColorType.BlackIsZero16:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 16, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new BlackIsZero16TiffColor <TPixel>(configuration, byteOrder == ByteOrder.BigEndian));
case TiffColorType.BlackIsZero24:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 24, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new BlackIsZero24TiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.BlackIsZero32:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 32, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new BlackIsZero32TiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.BlackIsZero32Float:
DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 32, "bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new BlackIsZero32FloatTiffColor <TPixel>(byteOrder == ByteOrder.BigEndian));
case TiffColorType.Rgb:
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new RgbTiffColor <TPixel>(bitsPerSample));
case TiffColorType.Rgb222:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 2 &&
bitsPerSample.Channel1 == 2 &&
bitsPerSample.Channel0 == 2,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new RgbTiffColor <TPixel>(bitsPerSample));
case TiffColorType.Rgb444:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 4 &&
bitsPerSample.Channel1 == 4 &&
bitsPerSample.Channel0 == 4,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new Rgb444TiffColor <TPixel>());
case TiffColorType.Rgb888:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 8 &&
bitsPerSample.Channel1 == 8 &&
bitsPerSample.Channel0 == 8,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new Rgb888TiffColor <TPixel>(configuration));
case TiffColorType.Rgb101010:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 10 &&
bitsPerSample.Channel1 == 10 &&
bitsPerSample.Channel0 == 10,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new RgbTiffColor <TPixel>(bitsPerSample));
case TiffColorType.Rgb121212:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 12 &&
bitsPerSample.Channel1 == 12 &&
bitsPerSample.Channel0 == 12,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new RgbTiffColor <TPixel>(bitsPerSample));
case TiffColorType.Rgb141414:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 14 &&
bitsPerSample.Channel1 == 14 &&
bitsPerSample.Channel0 == 14,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new RgbTiffColor <TPixel>(bitsPerSample));
case TiffColorType.Rgb161616:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 16 &&
bitsPerSample.Channel1 == 16 &&
bitsPerSample.Channel0 == 16,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new Rgb161616TiffColor <TPixel>(configuration, isBigEndian: byteOrder == ByteOrder.BigEndian));
case TiffColorType.Rgb242424:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 24 &&
bitsPerSample.Channel1 == 24 &&
bitsPerSample.Channel0 == 24,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new Rgb242424TiffColor <TPixel>(isBigEndian: byteOrder == ByteOrder.BigEndian));
case TiffColorType.Rgb323232:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 32 &&
bitsPerSample.Channel1 == 32 &&
bitsPerSample.Channel0 == 32,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new Rgb323232TiffColor <TPixel>(isBigEndian: byteOrder == ByteOrder.BigEndian));
case TiffColorType.RgbFloat323232:
DebugGuard.IsTrue(
bitsPerSample.Channels == 3 &&
bitsPerSample.Channel2 == 32 &&
bitsPerSample.Channel1 == 32 &&
bitsPerSample.Channel0 == 32,
"bitsPerSample");
DebugGuard.IsTrue(colorMap == null, "colorMap");
return(new RgbFloat323232TiffColor <TPixel>(isBigEndian: byteOrder == ByteOrder.BigEndian));
case TiffColorType.PaletteColor:
DebugGuard.NotNull(colorMap, "colorMap");
return(new PaletteTiffColor <TPixel>(bitsPerSample, colorMap));
case TiffColorType.YCbCr:
return(new YCbCrTiffColor <TPixel>(memoryAllocator, referenceBlackAndWhite, ycbcrCoefficients, ycbcrSubSampling));
default:
throw TiffThrowHelper.InvalidColorType(colorType.ToString());
}
}
