src/ImageSharp/Formats/Tiff/README.md
TIFF
DNG
Metadata (EXIF)
Metadata (XMP)
| Encoder | Decoder | Comments | |
|---|---|---|---|
| None | Y | Y | |
| Ccitt1D | Y | Y | |
| PackBits | Y | Y | |
| CcittGroup3Fax | Y | Y | |
| CcittGroup4Fax | Y | Y | |
| Lzw | Y | Y | Based on ImageSharp GIF LZW implementation - this code could be modified to be (i) shared, or (ii) optimised for each case. |
| Old Jpeg | Y | Only with chunky configuration. | |
| Jpeg (Technote 2) | Y | Y | |
| Deflate (Technote 2) | Y | Y | Based on PNG Deflate. |
| Old Deflate (Technote 2) | Y | ||
| Webp | Y |
| Encoder | Decoder | Comments | |
|---|---|---|---|
| WhiteIsZero | Y | Y | General + 1/4/8-bit optimised implementations. |
| BlackIsZero | Y | Y | General + 1/4/8-bit optimised implementations. |
| Rgb (Chunky) | Y | Y | General + Rgb888 optimised implementation. |
| Rgb (Planar) | Y | General implementation only. | |
| PaletteColor | Y | Y | General implementation only. |
| TransparencyMask | |||
| Separated (TIFF Extension) | Y | ||
| YCbCr (TIFF Extension) | Y | ||
| CieLab (TIFF Extension) | Y | ||
| IccLab (TechNote 1) | |||
| CMYK | Y | ||
| Tiled Images | Y |
| Encoder | Decoder | Comments | |
|---|---|---|---|
| NewSubfileType | |||
| SubfileType | |||
| ImageWidth | Y | Y | |
| ImageLength | Y | Y | |
| BitsPerSample | Y | Y | |
| Compression | Y | Y | |
| PhotometricInterpretation | Y | Y | |
| Thresholding | |||
| CellWidth | |||
| CellLength | |||
| FillOrder | Y | ||
| ImageDescription | Y | Y | |
| Make | Y | Y | |
| Model | Y | Y | |
| StripOffsets | Y | Y | |
| Orientation | - | Ignore. Many readers ignore this tag. | |
| SamplesPerPixel | Y | - | Currently ignored, as can be inferred from count of BitsPerSample. |
| RowsPerStrip | Y | Y | |
| StripByteCounts | Y | Y | |
| MinSampleValue | |||
| MaxSampleValue | |||
| XResolution | Y | Y | |
| YResolution | Y | Y | |
| PlanarConfiguration | Y | Encoding support only chunky. | |
| FreeOffsets | |||
| FreeByteCounts | |||
| GrayResponseUnit | |||
| GrayResponseCurve | |||
| ResolutionUnit | Y | Y | |
| Software | Y | Y | |
| DateTime | Y | Y | |
| Artist | Y | Y | |
| HostComputer | Y | Y | |
| ColorMap | Y | Y | |
| ExtraSamples | Y | Unspecified alpha data is not supported. | |
| Copyright | Y | Y |
| Encoder | Decoder | Comments | |
|---|---|---|---|
| NewSubfileType | |||
| DocumentName | Y | Y | |
| PageName | |||
| XPosition | |||
| YPosition | |||
| T4Options | Y | ||
| T6Options | |||
| PageNumber | |||
| TransferFunction | |||
| Predictor | Y | Y | only Horizontal |
| WhitePoint | |||
| PrimaryChromaticities | |||
| HalftoneHints | |||
| TileWidth | - | ||
| TileLength | - | ||
| TileOffsets | - | ||
| TileByteCounts | - | ||
| BadFaxLines | |||
| CleanFaxData | |||
| ConsecutiveBadFaxLines | |||
| SubIFDs | - | ||
| InkSet | Y | CMYK | |
| InkNames | - | ||
| NumberOfInks | - | ||
| DotRange | |||
| TargetPrinter | |||
| SampleFormat | - | ||
| SMinSampleValue | |||
| SMaxSampleValue | |||
| TransferRange | |||
| ClipPath | |||
| XClipPathUnits | |||
| YClipPathUnits | |||
| Indexed | |||
| JPEGTables | |||
| OPIProxy | |||
| GlobalParametersIFD | |||
| ProfileType | |||
| FaxProfile | |||
| CodingMethods | |||
| VersionYear | |||
| ModeNumber | |||
| Decode | |||
| DefaultImageColor | |||
| JPEGProc | |||
| JPEGInterchangeFormat | |||
| JPEGInterchangeFormatLength | |||
| JPEGRestartInterval | |||
| JPEGLosslessPredictors | |||
| JPEGPointTransforms | |||
| JPEGQTables | |||
| JPEGDCTables | |||
| JPEGACTables | |||
| YCbCrCoefficients | Y | ||
| YCbCrSubSampling | Y | ||
| YCbCrPositioning | |||
| ReferenceBlackWhite | Y | ||
| StripRowCounts | - | - | See RFC 2301 (File Format for Internet Fax). |
| XMP | Y | Y | |
| ImageID | |||
| ImageLayer |
| Encoder | Decoder | Comments | |
|---|---|---|---|
| Wang Annotation | |||
| MD FileTag | |||
| MD ScalePixel | |||
| MD ColorTable | |||
| MD LabName | |||
| MD SampleInfo | |||
| MD PrepDate | |||
| MD PrepTime | |||
| MD FileUnits | |||
| ModelPixelScaleTag | |||
| IPTC | Y | Y | |
| INGR Packet Data Tag | |||
| INGR Flag Registers | |||
| IrasB Transformation Matrix | |||
| ModelTiepointTag | |||
| ModelTransformationTag | |||
| Photoshop | |||
| Exif IFD | - | 0x8769 SubExif | |
| ICC Profile | Y | Y | |
| GeoKeyDirectoryTag | |||
| GeoDoubleParamsTag | |||
| GeoAsciiParamsTag | |||
| GPS IFD | |||
| HylaFAX FaxRecvParams | |||
| HylaFAX FaxSubAddress | |||
| HylaFAX FaxRecvTime | |||
| ImageSourceData | |||
| Interoperability IFD | |||
| GDAL_METADATA | |||
| GDAL_NODATA | |||
| Oce Scanjob Description | |||
| Oce Application Selector | |||
| Oce Identification Number | |||
| Oce ImageLogic Characteristics | |||
| DNGVersion | |||
| DNGBackwardVersion | |||
| UniqueCameraModel | |||
| LocalizedCameraModel | |||
| CFAPlaneColor | |||
| CFALayout | |||
| LinearizationTable | |||
| BlackLevelRepeatDim | |||
| BlackLevel | |||
| BlackLevelDeltaH | |||
| BlackLevelDeltaV | |||
| WhiteLevel | |||
| DefaultScale | |||
| DefaultCropOrigin | |||
| DefaultCropSize | |||
| ColorMatrix1 | |||
| ColorMatrix2 | |||
| CameraCalibration1 | |||
| CameraCalibration2 | |||
| ReductionMatrix1 | |||
| ReductionMatrix2 | |||
| AnalogBalance | |||
| AsShotNeutral | |||
| AsShotWhiteXY | |||
| BaselineExposure | |||
| BaselineNoise | |||
| BaselineSharpness | |||
| BayerGreenSplit | |||
| LinearResponseLimit | |||
| CameraSerialNumber | |||
| LensInfo | |||
| ChromaBlurRadius | |||
| AntiAliasStrength | |||
| DNGPrivateData | |||
| MakerNoteSafety | |||
| CalibrationIlluminant1 | |||
| CalibrationIlluminant2 | |||
| BestQualityScale | |||
| Alias Layer Metadata |