public static void WriteCinemaDngHeader(BinaryWriter bw, int W, int H, int bitsPerSample,
CFAPatternType cfaPtn)
{
WriteImageFileHeader(bw);
{
// 最初の2バイトはnum of IFD Entriesなので2足す。
long startOfIFDEntry = bw.BaseStream.Position + 2;
// CFAフルサイズ画像情報。
var es = new List <IFDEntry>();
es.Add(new IFDEntry(IFDEntry.Tag.NewSubfileType, IFDEntry.FieldType.LONG, 1, 0));
es.Add(new IFDEntry(IFDEntry.Tag.ImageWidth, IFDEntry.FieldType.LONG, 1, W));
es.Add(new IFDEntry(IFDEntry.Tag.ImageLength, IFDEntry.FieldType.LONG, 1, H));
es.Add(new IFDEntry(IFDEntry.Tag.BitsPerSample, IFDEntry.FieldType.SHORT, 1,
new ushort[] { (ushort)bitsPerSample }));
es.Add(new IFDEntry(IFDEntry.Tag.Compression, IFDEntry.FieldType.SHORT, 1,
(ushort)IFDEntry.CompressionType.Uncompressed));
es.Add(new IFDEntry(IFDEntry.Tag.PhotometricInterpretation,
IFDEntry.FieldType.SHORT, 1,
(ushort)IFDEntry.PhotometricInterpretationType.ColorFilterArray));
es.Add(new IFDEntry(IFDEntry.Tag.Orientation, IFDEntry.FieldType.SHORT, 1,
(ushort)IFDEntry.OrientationType.TopLeft));
es.Add(new IFDEntry(IFDEntry.Tag.SamplesPerPixel, IFDEntry.FieldType.SHORT, 1, 1));
es.Add(new IFDEntry(IFDEntry.Tag.PlanarConfiguration, IFDEntry.FieldType.SHORT,
1, (ushort)IFDEntry.PlanarConfigurationType.Chunky));
long stripOffsetsPos = startOfIFDEntry + es.Count * 12 + 8;
es.Add(new IFDEntry(IFDEntry.Tag.StripOffsets, IFDEntry.FieldType.LONG, 1, 0));
es.Add(new IFDEntry(IFDEntry.Tag.RowsPerStrip, IFDEntry.FieldType.LONG, 1, H));
es.Add(new IFDEntry(IFDEntry.Tag.StripByteCounts, IFDEntry.FieldType.LONG, 1, W * H * bitsPerSample / 8));
es.Add(new IFDEntry(IFDEntry.Tag.CFARepeatPatternDim,
IFDEntry.FieldType.SHORT, 2, new ushort[] { 2, 2 }));
{
byte[] cfaB = new byte[4];
// 0=R, 1=G, 2=B
switch (cfaPtn)
{
case CFAPatternType.BGGR:
cfaB = new byte[] { 2, 1, 1, 0 };
break;
case CFAPatternType.GBRG:
cfaB = new byte[] { 1, 2, 0, 1 };
break;
case CFAPatternType.GRBG:
cfaB = new byte[] { 1, 0, 2, 1 };
break;
case CFAPatternType.RGGB:
cfaB = new byte[] { 0, 1, 1, 2 };
break;
}
es.Add(new IFDEntry(IFDEntry.Tag.CFAPattern, IFDEntry.FieldType.BYTE, 4, cfaB));
}
es.Add(new IFDEntry(IFDEntry.Tag.DNGVersion, IFDEntry.FieldType.BYTE, 4, new byte[] { 1, 1, 0, 0 }));
es.Add(new IFDEntry(IFDEntry.Tag.UniqueCameraModel, IFDEntry.FieldType.ASCII, "Camera"));
es.Add(new IFDEntry(IFDEntry.Tag.CFAPlaneColor, IFDEntry.FieldType.BYTE, 3, new byte[] { 0, 1, 2 }));
es.Add(new IFDEntry(IFDEntry.Tag.CFALayout, IFDEntry.FieldType.SHORT, 1,
(ushort)IFDEntry.CFALayoutType.RectangularOrSquare));
#if true
es.Add(new IFDEntry(IFDEntry.Tag.CalibrationIlluminant1, IFDEntry.FieldType.SHORT, 1,
(int)IFDEntry.LightSourceType.D55));
es.Add(new IFDEntry(IFDEntry.Tag.ColorMatrix1, IFDEntry.FieldType.SRATIONAL, 9, new IFDRational[] {
new IFDRational(5840, 10000), new IFDRational(3469, 10000), new IFDRational(-2116, 10000),
new IFDRational(-10896, 10000), new IFDRational(21096, 10000), new IFDRational(-767, 10000),
new IFDRational(-4647, 10000), new IFDRational(7987, 10000), new IFDRational(4598, 10000)
}));
es.Add(new IFDEntry(IFDEntry.Tag.ForwardMatrix1, IFDEntry.FieldType.SRATIONAL, 9, new IFDRational[] {
new IFDRational(10070, 10000), new IFDRational(-4671, 10000), new IFDRational(4243, 10000),
new IFDRational(5037, 10000), new IFDRational(2130, 10000), new IFDRational(2831, 10000),
new IFDRational(1041, 10000), new IFDRational(-8401, 10000), new IFDRational(15611, 10000)
}));
#else
es.Add(new IFDEntry(IFDEntry.Tag.ColorMatrix1, IFDEntry.FieldType.SRATIONAL, 9, new IFDRational[] {
new IFDRational(10000, 10000), new IFDRational(0, 10000), new IFDRational(0, 10000),
new IFDRational(0, 10000), new IFDRational(10000, 10000), new IFDRational(0, 10000),
new IFDRational(0, 10000), new IFDRational(0, 10000), new IFDRational(10000, 10000)
}));
es.Add(new IFDEntry(IFDEntry.Tag.CalibrationIlluminant1, IFDEntry.FieldType.SHORT, 1,
(int)IFDEntry.LightSourceType.StandardLightA));
es.Add(new IFDEntry(IFDEntry.Tag.ColorMatrix2, IFDEntry.FieldType.SRATIONAL, 9, new IFDRational[] {
new IFDRational(10000, 10000), new IFDRational(0, 10000), new IFDRational(0, 10000),
new IFDRational(0, 10000), new IFDRational(10000, 10000), new IFDRational(0, 10000),
new IFDRational(0, 10000), new IFDRational(0, 10000), new IFDRational(10000, 10000)
}));
es.Add(new IFDEntry(IFDEntry.Tag.CalibrationIlluminant2, IFDEntry.FieldType.SHORT, 1,
(int)IFDEntry.LightSourceType.D65));
#endif
/*
* es.Add(new IFDEntry(IFDEntry.Tag.ISOSpeedRatings, IFDEntry.FieldType.SHORT, 1, 0x64));
* es.Add(new IFDEntry(IFDEntry.Tag.BlackLevelRepeatDim, IFDEntry.FieldType.SHORT, 2, new ushort[] { 2, 2 }));
* es.Add(new IFDEntry(IFDEntry.Tag.BlackLevel, IFDEntry.FieldType.LONG, 4, new uint[] { 0, 0, 0, 0 }));
* es.Add(new IFDEntry(IFDEntry.Tag.DefaultScale, IFDEntry.FieldType.RATIONAL, 2,
* new IFDRational[] { new IFDRational(1000000, 1000000), new IFDRational(1000000, 1000000)}));
*
* es.Add(new IFDEntry(IFDEntry.Tag.AnalogBalance, IFDEntry.FieldType.RATIONAL, 3, new IFDRational[] {
* new IFDRational(1000000, 1000000), new IFDRational(1000000, 1000000),
* new IFDRational(1000000, 1000000)}));
* es.Add(new IFDEntry(IFDEntry.Tag.AsShotNeutral, IFDEntry.FieldType.RATIONAL, 3, new IFDRational[] {
* new IFDRational(1, 1), new IFDRational(1, 1), new IFDRational(1, 1)}));
* es.Add(new IFDEntry(IFDEntry.Tag.BaselineExposure, IFDEntry.FieldType.SRATIONAL, 1, new IFDRational[] {
* new IFDRational(0, 1) }));
* es.Add(new IFDEntry(IFDEntry.Tag.BayerGreenSplit, IFDEntry.FieldType.LONG, 1, 0));
* es.Add(new IFDEntry(IFDEntry.Tag.AntiAliasStrength, IFDEntry.FieldType.RATIONAL, 1,
* new IFDRational(1000000, 1000000)));
* es.Add(new IFDEntry(IFDEntry.Tag.DNGPrivateData, IFDEntry.FieldType.BYTE, 5, new byte[] { (byte)'M', (byte)'a', (byte)'k', (byte)'e', 0 }));
* es.Add(new IFDEntry(IFDEntry.Tag.FrameRate, IFDEntry.FieldType.SRATIONAL, 1,
* new IFDRational(30000, 1000)));
*/
// Num of IFD Entriesが決まったので書き込む。
bw.Write((short)es.Count);
// IFDEntryを書き込み。
foreach (var e in es)
{
e.WriteEntry(bw);
}
// Next IFD offset == 0
bw.Write((int)0);
// 4バイトを超えるデータを書き出す。
foreach (var e in es)
{
e.WriteData(bw);
}
// 画像の先頭位置が決まったので書き込み。
WriteUint32At(bw, stripOffsetsPos, (uint)bw.BaseStream.Position);
}
// この後ろにCFA RAW画像データを書き込む。
}
public static void WriteDngHeader(BinaryWriter bw, int W, int H, int bitsPerSample,
CFAPatternType cfaPtn)
{
int thumbnailW = 256;
int thumbnailH = 256;
WriteImageFileHeader(bw);
/*
* Tiff fields for 8bit CFA:
* NewSubfileType = 0xfe, //< 0
* ImageWidth = 0x100, //< W
* ImageLength = 0x101, //< H
* BitsPerSample = 0x102, //< 8 8 8 (ushort)
* Compression = 0x103, //< 1 (uncompressed)
* PhotometricInterpretation = 0x106, //< 0x8023 (ColorFilterArray)
* Make = 0x10f, //< " "
* Model = 0x110, //< " "
* StripOffsets = 0x111, //< image data file position
* Orientation = 0x112, //< 1
* SamplesPerPixel = 0x115, //< 1
* RowsPerStrip = 0x116, //< H
* StripByteCounts = 0x117, //< W * H
* PlanarConfiguration = 0x11c, //< 1
* Software = 0x131, //< " "
# DateTime = 0x132, //< " "
#
# CFA tags
# CFARepeatPatternDim // SHORT 2 2 Rows=2, Cols=2
# CFAPattern // BYTE 0 1 1 2
# CFAPlaneColor // BYTE 0 1 2
# CFALayout // SHORT 1 RectangularOrSquare
*
* DNG Required fields:
* DNGVersion // BYTE 1 4 0 0
* UniqueCameraModel // " "
*/
{
// 最初の2バイトはnum of IFD Entriesなので2足す。
long startOfIFDEntry = bw.BaseStream.Position + 2;
// 包括情報＋サムネイル画像の情報。
var es = new List <IFDEntry>();
es.Add(new IFDEntry(IFDEntry.Tag.NewSubfileType, IFDEntry.FieldType.LONG, 1, 1));
es.Add(new IFDEntry(IFDEntry.Tag.ImageWidth, IFDEntry.FieldType.LONG, 1, thumbnailW));
es.Add(new IFDEntry(IFDEntry.Tag.ImageLength, IFDEntry.FieldType.LONG, 1, thumbnailH));
es.Add(new IFDEntry(IFDEntry.Tag.BitsPerSample, IFDEntry.FieldType.SHORT, 3, new ushort[] { 8, 8, 8 }));
es.Add(new IFDEntry(IFDEntry.Tag.Compression, IFDEntry.FieldType.SHORT, 1, (ushort)IFDEntry.CompressionType.Uncompressed));
es.Add(new IFDEntry(IFDEntry.Tag.PhotometricInterpretation, IFDEntry.FieldType.SHORT, 1, (ushort)IFDEntry.PhotometricInterpretationType.RGB));
es.Add(new IFDEntry(IFDEntry.Tag.Make, IFDEntry.FieldType.ASCII, "Make"));
es.Add(new IFDEntry(IFDEntry.Tag.Model, IFDEntry.FieldType.ASCII, "Model"));
long stripOffsetsPos = startOfIFDEntry + es.Count * 12 + 8;
es.Add(new IFDEntry(IFDEntry.Tag.StripOffsets, IFDEntry.FieldType.LONG, 1, 0));
es.Add(new IFDEntry(IFDEntry.Tag.Orientation, IFDEntry.FieldType.SHORT, 1, (ushort)IFDEntry.OrientationType.TopLeft));
es.Add(new IFDEntry(IFDEntry.Tag.SamplesPerPixel, IFDEntry.FieldType.SHORT, 1, 3));
es.Add(new IFDEntry(IFDEntry.Tag.RowsPerStrip, IFDEntry.FieldType.LONG, 1, thumbnailH));
es.Add(new IFDEntry(IFDEntry.Tag.StripByteCounts, IFDEntry.FieldType.LONG, 1, thumbnailW * thumbnailH * 3));
es.Add(new IFDEntry(IFDEntry.Tag.PlanarConfiguration, IFDEntry.FieldType.SHORT, 1, (ushort)IFDEntry.PlanarConfigurationType.Chunky));
es.Add(new IFDEntry(IFDEntry.Tag.Software, IFDEntry.FieldType.ASCII, "Software"));
es.Add(new IFDEntry(IFDEntry.Tag.DateTime, IFDEntry.FieldType.ASCII, "2018:10:07 11:11:01"));
long subIFDPos = startOfIFDEntry + es.Count * 12 + 8;
es.Add(new IFDEntry(IFDEntry.Tag.SubIFDs, IFDEntry.FieldType.LONG, 1, 0));
es.Add(new IFDEntry(IFDEntry.Tag.ImageNumber, IFDEntry.FieldType.LONG, 1, 1));
es.Add(new IFDEntry(IFDEntry.Tag.DNGVersion, IFDEntry.FieldType.BYTE, 4, new byte[] { 1, 1, 0, 0 }));
es.Add(new IFDEntry(IFDEntry.Tag.CalibrationIlluminant1, IFDEntry.FieldType.SHORT, 1, (int)IFDEntry.LightSourceType.StandardLightA));
es.Add(new IFDEntry(IFDEntry.Tag.ColorMatrix1, IFDEntry.FieldType.SRATIONAL, 9, new IFDRational[] {
new IFDRational(7960, 10000), new IFDRational(-3736, 10000), new IFDRational(3350, 10000),
new IFDRational(-1422, 10000), new IFDRational(6513, 10000), new IFDRational(5888, 10000),
new IFDRational(1203, 10000), new IFDRational(-42, 10000), new IFDRational(8799, 10000)
}));
es.Add(new IFDEntry(IFDEntry.Tag.CameraCalibration1, IFDEntry.FieldType.SRATIONAL, 9, new IFDRational[] {
new IFDRational(1, 1), new IFDRational(0, 1), new IFDRational(0, 1),
new IFDRational(0, 1), new IFDRational(1, 1), new IFDRational(0, 1),
new IFDRational(0, 1), new IFDRational(0, 1), new IFDRational(1, 1)
}));
es.Add(new IFDEntry(IFDEntry.Tag.CalibrationIlluminant2, IFDEntry.FieldType.SHORT, 1, (int)IFDEntry.LightSourceType.D55));
es.Add(new IFDEntry(IFDEntry.Tag.ColorMatrix2, IFDEntry.FieldType.SRATIONAL, 9, new IFDRational[] {
new IFDRational(8716, 10000), new IFDRational(-3218, 10000), new IFDRational(1392, 10000),
new IFDRational(-984, 10000), new IFDRational(7487, 10000), new IFDRational(4196, 10000),
new IFDRational(1919, 10000), new IFDRational(-72, 10000), new IFDRational(8243, 10000)
}));
es.Add(new IFDEntry(IFDEntry.Tag.CameraCalibration2, IFDEntry.FieldType.SRATIONAL, 9, new IFDRational[] {
new IFDRational(1, 1), new IFDRational(0, 1), new IFDRational(0, 1),
new IFDRational(0, 1), new IFDRational(1, 1), new IFDRational(0, 1),
new IFDRational(0, 1), new IFDRational(0, 1), new IFDRational(1, 1)
}));
es.Add(new IFDEntry(IFDEntry.Tag.AnalogBalance, IFDEntry.FieldType.RATIONAL, 3, new IFDRational[] {
new IFDRational(1, 1), new IFDRational(1, 1), new IFDRational(1, 1)
}));
es.Add(new IFDEntry(IFDEntry.Tag.BaselineExposure, IFDEntry.FieldType.SRATIONAL, 1, new IFDRational[] { new IFDRational(0, 100) }));
es.Add(new IFDEntry(IFDEntry.Tag.BaselineNoise, IFDEntry.FieldType.RATIONAL, 1, new IFDRational[] { new IFDRational(100, 100) }));
es.Add(new IFDEntry(IFDEntry.Tag.BaselineSharpness, IFDEntry.FieldType.RATIONAL, 1, new IFDRational[] { new IFDRational(100, 100) }));
es.Add(new IFDEntry(IFDEntry.Tag.LinearResponseLimit, IFDEntry.FieldType.RATIONAL, 1, new IFDRational[] { new IFDRational(100, 100) }));
es.Add(new IFDEntry(IFDEntry.Tag.UniqueCameraModel, IFDEntry.FieldType.ASCII, "Camera"));
es.Add(new IFDEntry(IFDEntry.Tag.CameraSerialNumber, IFDEntry.FieldType.ASCII, "1"));
es.Add(new IFDEntry(IFDEntry.Tag.LensInfo, IFDEntry.FieldType.RATIONAL, 4, new IFDRational[] {
new IFDRational(500, 10), new IFDRational(500, 10), new IFDRational(14, 10), new IFDRational(220, 10)
}));
es.Add(new IFDEntry(IFDEntry.Tag.ShadowScale, IFDEntry.FieldType.RATIONAL, 1, new IFDRational[] { new IFDRational(1, 1) }));
es.Add(new IFDEntry(IFDEntry.Tag.DNGPrivateData, IFDEntry.FieldType.BYTE, 5, new byte[] { (byte)'M', (byte)'a', (byte)'k', (byte)'e', 0 }));
// Num of IFD Entriesが決まったので書き込む。
bw.Write((short)es.Count);
// IFDEntryを書き込み。
foreach (var e in es)
{
e.WriteEntry(bw);
}
// Next IFD offset == 0
bw.Write((int)0);
// 4バイトを超えるデータを書き出す。
foreach (var e in es)
{
e.WriteData(bw);
}
// サムネイル画像の先頭位置が決まったので書き込み。
WriteUint32At(bw, stripOffsetsPos, (uint)bw.BaseStream.Position);
// サムネイル画像データを書き込み。
int v = 0;
for (int y = 0; y < thumbnailH; ++y)
{
for (int x = 0; x < thumbnailW; ++x)
{
bw.Write((byte)(v));
bw.Write((byte)(v >> 8));
bw.Write((byte)(v >> 16));
++v;
}
}
// subIFD(フルサイズのCFA RAW画像用)の位置が決まったので書き込む。
WriteUint32At(bw, subIFDPos, (uint)bw.BaseStream.Position);
}
{
// 最初の2バイトはnum of IFD Entriesなので2足す。
long startOfIFDEntry = bw.BaseStream.Position + 2;
// フルサイズのCFA RAW画像の情報。
var es = new List <IFDEntry>();
es.Add(new IFDEntry(IFDEntry.Tag.NewSubfileType, IFDEntry.FieldType.LONG, 1, 0));
es.Add(new IFDEntry(IFDEntry.Tag.ImageWidth, IFDEntry.FieldType.LONG, 1, W));
es.Add(new IFDEntry(IFDEntry.Tag.ImageLength, IFDEntry.FieldType.LONG, 1, H));
es.Add(new IFDEntry(IFDEntry.Tag.BitsPerSample, IFDEntry.FieldType.SHORT, 1, new ushort[] { (ushort)bitsPerSample }));
es.Add(new IFDEntry(IFDEntry.Tag.Compression, IFDEntry.FieldType.SHORT, 1, (ushort)IFDEntry.CompressionType.Uncompressed));
es.Add(new IFDEntry(IFDEntry.Tag.PhotometricInterpretation, IFDEntry.FieldType.SHORT, 1, (ushort)IFDEntry.PhotometricInterpretationType.ColorFilterArray));
long stripOffsetsPos = startOfIFDEntry + es.Count * 12 + 8;
es.Add(new IFDEntry(IFDEntry.Tag.StripOffsets, IFDEntry.FieldType.LONG, 1, 0));
es.Add(new IFDEntry(IFDEntry.Tag.SamplesPerPixel, IFDEntry.FieldType.SHORT, 1, 1));
es.Add(new IFDEntry(IFDEntry.Tag.RowsPerStrip, IFDEntry.FieldType.LONG, 1, H));
es.Add(new IFDEntry(IFDEntry.Tag.StripByteCounts, IFDEntry.FieldType.LONG, 1, W * H * bitsPerSample / 8));
es.Add(new IFDEntry(IFDEntry.Tag.PlanarConfiguration, IFDEntry.FieldType.SHORT, 1, (ushort)IFDEntry.PlanarConfigurationType.Chunky));
es.Add(new IFDEntry(IFDEntry.Tag.CFARepeatPatternDim, IFDEntry.FieldType.SHORT, 2, new ushort[] { 2, 2 }));
{
byte[] cfaB = new byte[4];
// 0=R, 1=G, 2=B
switch (cfaPtn)
{
case CFAPatternType.BGGR:
cfaB = new byte[] { 2, 1, 1, 0 };
break;
case CFAPatternType.GBRG:
cfaB = new byte[] { 1, 2, 0, 1 };
break;
case CFAPatternType.GRBG:
cfaB = new byte[] { 1, 0, 2, 1 };
break;
case CFAPatternType.RGGB:
cfaB = new byte[] { 0, 1, 1, 2 };
break;
}
es.Add(new IFDEntry(IFDEntry.Tag.CFAPattern, IFDEntry.FieldType.BYTE, 4, cfaB));
}
es.Add(new IFDEntry(IFDEntry.Tag.CFAPlaneColor, IFDEntry.FieldType.BYTE, 3, new byte[] { 0, 1, 2 }));
es.Add(new IFDEntry(IFDEntry.Tag.CFALayout, IFDEntry.FieldType.SHORT, 1, (ushort)IFDEntry.CFALayoutType.RectangularOrSquare));
/*
* es.Add(new IFDEntry(IFDEntry.Tag.BlackLevelRepeatDim, IFDEntry.FieldType.SHORT, 2, new ushort[] { 1, 1 }));
* es.Add(new IFDEntry(IFDEntry.Tag.BlackLevel, IFDEntry.FieldType.RATIONAL, 1, new IFDRational[] { new IFDRational(0, 256) }));
* switch (bitsPerSample) {
* case 8:
* es.Add(new IFDEntry(IFDEntry.Tag.WhiteLevel, IFDEntry.FieldType.SHORT, 1, 255));
* break;
* case 16:
* es.Add(new IFDEntry(IFDEntry.Tag.WhiteLevel, IFDEntry.FieldType.SHORT, 1, 32767));
* break;
* default:
* throw new NotImplementedException();
* }
* es.Add(new IFDEntry(IFDEntry.Tag.DefaultScale, IFDEntry.FieldType.RATIONAL, 2, new IFDRational[] {
* new IFDRational(1, 1), new IFDRational(1, 1) }));
* es.Add(new IFDEntry(IFDEntry.Tag.BestQualityScale, IFDEntry.FieldType.RATIONAL, 1, new IFDRational[] { new IFDRational(1, 1) }));
* es.Add(new IFDEntry(IFDEntry.Tag.BayerGreenSplit, IFDEntry.FieldType.LONG, 1, 0xfa));
* es.Add(new IFDEntry(IFDEntry.Tag.AntiAliasStrength, IFDEntry.FieldType.RATIONAL, 1, new IFDRational[] { new IFDRational(100, 100) }));
*/
// Num of IFD Entriesが決まったので書き込む。
bw.Write((short)es.Count);
// IFDEntryを書き込み。
foreach (var e in es)
{
e.WriteEntry(bw);
}
// Next IFD offset == 0
bw.Write((int)0);
// 4バイトを超えるデータを書き出す。
foreach (var e in es)
{
e.WriteData(bw);
}
// CFA RAW画像の先頭位置が決まったので書き込み。
WriteUint32At(bw, stripOffsetsPos, (uint)bw.BaseStream.Position);
// この後ろにCFA RAW画像データを書き込む。
}
}
