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Diffstat (limited to 'doc/functions/libtiff.rst')
| -rw-r--r-- | doc/functions/libtiff.rst | 327 |
1 files changed, 2 insertions, 325 deletions
diff --git a/doc/functions/libtiff.rst b/doc/functions/libtiff.rst index b4ad327f..d118dec0 100644 --- a/doc/functions/libtiff.rst +++ b/doc/functions/libtiff.rst @@ -574,331 +574,8 @@ will work. Tag usage --------- -The table below lists the TIFF -tags that are recognized and handled by the library. -If no use is indicated in the table, then the library -reads and writes the tag, but does not use it internally. -Note that some tags are meaningful only when a particular -compression scheme is being used; e.g. ``Group3Options`` -is only useful if ``Compression`` -is set to CCITT Group 3 encoding. -Tags of this sort are considered *codec-specific* -tags and the library does not recognize them except when the -``Compression`` -tag has been previously set to the relevant compression scheme. - -.. list-table:: libtiff supported tags - :widths: 10 2 2 15 - :header-rows: 1 - - * - Tag name - - Value - - R/W - - Library Use/Notes - * - ``Artist`` - - 315 - - R/W - - - * - ``BadFaxLines`` - - 326 - - R/W - - - * - ``BitsPerSample`` - - 258 - - R/W - - lots - * - ``CellLength`` - - 265 - - - - parsed but ignored - * - ``CellWidth`` - - 264 - - - - parsed but ignored - * - ``CleanFaxData`` - - 327 - - R/W - - - * - ``ColorMap`` - - 320 - - R/W - - - * - ``ColorResponseUnit`` - - 300 - - - - parsed but ignored - * - ``Compression`` - - 259 - - R/W - - choosing codec - * - ``ConsecutiveBadFaxLines`` - - 328 - - R/W - - - * - ``Copyright`` - - 33432 - - R/W - - - * - ``DataType`` - - 32996 - - R - - obsoleted by ``SampleFormat`` tag - * - ``DateTime`` - - 306 - - R/W - - - * - ``DocumentName`` - - 269 - - R/W - - - * - ``DotRange`` - - 336 - - R/W - - - * - ``ExtraSamples`` - - 338 - - R/W - - lots - * - ``FaxRecvParams`` - - 34908 - - R/W - - - * - ``FaxSubAddress`` - - 34909 - - R/W - - - * - ``FaxRecvTime`` - - 34910 - - R/W - - - * - ``FillOrder`` - - 266 - - R/W - - control bit order - * - ``FreeByteCounts`` - - 289 - - - - parsed but ignored - * - ``FreeOffsets`` - - 288 - - - - parsed but ignored - * - ``GrayResponseCurve`` - - 291 - - - - parsed but ignored - * - ``GrayResponseUnit`` - - 290 - - - - parsed but ignored - * - ``Group3Options`` - - 292 - - R/W - - used by Group 3 codec - * - ``Group4Options`` - - 293 - - R/W - - - * - ``HostComputer`` - - 316 - - R/W - - - * - ``ImageDepth`` - - 32997 - - R/W - - tile/strip calculations - * - ``ImageDescription`` - - 270 - - R/W - - - * - ``ImageLength`` - - 257 - - R/W - - lots - * - ``ImageWidth`` - - 256 - - R/W - - lots - * - ``InkNames`` - - 333 - - R/W - - - * - ``InkSet`` - - 332 - - R/W - - - * - ``JPEGTables`` - - 347 - - R/W - - used by JPEG codec - * - ``Make`` - - 271 - - R/W - - - * - ``Matteing`` - - 32995 - - R - - obsoleted by ExtraSamples tag - * - ``MaxSampleValue`` - - 281 - - R/W - - - * - ``MinSampleValue`` - - 280 - - R/W - - - * - ``Model`` - - 272 - - R/W - - - * - ``NewSubFileType`` - - 254 - - R/W - - called ``SubFileType`` in spec - * - ``NumberOfInks`` - - 334 - - R/W - - - * - ``Orientation`` - - 274 - - R/W - - - * - ``PageName`` - - 285 - - R/W - - - * - ``PageNumber`` - - 297 - - R/W - - - * - ``PhotometricInterpretation`` - - 262 - - R/W - - used by Group 3 and JPEG codecs - * - ``PlanarConfiguration`` - - 284 - - R/W - - data i/o - * - ``Predictor`` - - 317 - - R/W - - used by LZW and Deflate codecs - * - ``PrimaryChromacities`` - - 319 - - R/W - - - * - ``ReferenceBlackWhite`` - - 532 - - R/W - - - * - ``ResolutionUnit`` - - 296 - - R/W - - used by Group 3 codec - * - ``RowsPerStrip`` - - 278 - - R/W - - data i/o - * - ``SampleFormat`` - - 339 - - R/W - - - * - ``SamplesPerPixel`` - - 277 - - R/W - - lots - * - ``SMinSampleValue`` - - 340 - - R/W - - - * - ``SMaxSampleValue`` - - 341 - - R/W - - - * - ``Software`` - - 305 - - R/W - - - * - ``StoNits`` - - 37439 - - R/W - - - * - ``StripByteCounts`` - - 279 - - R/W - - data i/o - * - ``StripOffsets`` - - 273 - - R/W - - data i/o - * - ``SubFileType`` - - 255 - - R/W - - called ``OSubFileType`` in spec - * - ``TargetPrinter`` - - 337 - - R/W - - - * - ``Thresholding`` - - 263 - - R/W - - - * - ``TileByteCounts`` - - 324 - - R/W - - data i/o - * - ``TileDepth`` - - 32998 - - R/W - - tile/strip calculations - * - ``TileLength`` - - 323 - - R/W - - data i/o - * - ``TileOffsets`` - - 324 - - R/W - - data i/o - * - ``TileWidth`` - - 322 - - R/W - - data i/o - * - ``TransferFunction`` - - 301 - - R/W - - - * - ``WhitePoint`` - - 318 - - R/W - - - * - ``XPosition`` - - 286 - - R/W - - - * - ``XResolution`` - - 282 - - R/W - - - * - ``YCbCrCoefficients`` - - 529 - - R/W - - used by ``TIFFRGBAImage`` support - * - ``YCbCrPositioning`` - - 531 - - R/W - - tile/strip size calculations - * - ``YCbCrSubsampling`` - - 530 - - R/W - - - * - ``YPosition`` - - 286 - - R/W - - - * - ``YResolution`` - - 283 - - R/W - - used by Group 3 codec +For a table of TIFF tags recognized by the library refer to +:doc:`/specification/coverage`. "Pseudo tags" ------------- |