Generate TIFF structs/enums from a text file

This is to make the tables much easier to maintain.
This commit is contained in:
2021-12-16 02:11:07 +01:00
parent 60a8ee7a80
commit 81145064de
4 changed files with 531 additions and 504 deletions

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@@ -76,37 +76,6 @@ u16le(const uint8_t *p)
}
// --- TIFF --------------------------------------------------------------------
// TIFF Revision 6.0 (1992)
// https://www.adobe.io/content/dam/udp/en/open/standards/tiff/TIFF6.pdf
//
// TIFF Technical Note 1: TIFF Trees (1993)
// https://download.osgeo.org/libtiff/old/TTN1.ps
//
// DRAFT TIFF Technical Note 2 (1995)
// https://www.awaresystems.be/imaging/tiff/specification/TIFFTechNote2.txt
//
// Adobe PageMaker 6.0 TIFF Technical Notes (1995) [includes TTN1]
// https://www.adobe.io/content/dam/udp/en/open/standards/tiff/TIFFPM6.pdf
//
// Adobe Photoshop TIFF Technical Notes (2002)
// https://www.adobe.io/content/dam/udp/en/open/standards/tiff/TIFFphotoshop.pdf
// - Note that ImageSourceData 8BIM frames are specified differently
// from how Adobe XMP Specification Part 3 defines them.
// - The document places a condition on SubIFDs, without further explanation.
//
// Adobe Photoshop TIFF Technical Note 3 (2005)
// http://chriscox.org/TIFFTN3d1.pdf
//
// Exif Version 2.3 (2012)
// https://www.cipa.jp/std/documents/e/DC-008-2012_E.pdf
//
// Exif Version 2.32 (2019)
// https://www.cipa.jp/e/std/std-sec.html
//
// Digital Negative (DNG) Specification 1.5.0.0 (2019)
// https://www.adobe.com/content/dam/acom/en/products/photoshop/pdfs
// /dng_spec_1.5.0.0.pdf
//
// libtiff is a mess, and the format is not particularly complicated.
// Exiv2 is senselessly copylefted, and cannot do much.
// libexif is only marginally better.
@@ -391,477 +360,7 @@ struct tiff_entry {
struct tiff_value *values;
};
static struct tiff_entry tiff_entries[] = {
{"NewSubfileType", 254, NULL},
{"SubfileType", 255, (struct tiff_value[]) {
{"Full-resolution image data", 1},
{"Reduced-resolution image data", 2},
{"Page of a multi-page image", 3},
{}
}},
{"ImageWidth", 256, NULL},
{"ImageLength", 257, NULL},
{"BitsPerSample", 258, NULL},
{"Compression", 259, (struct tiff_value[]) {
{"Uncompressed", 1},
{"CCITT 1D", 2},
{"Group 3 Fax", 3},
{"Group 4 Fax", 4},
{"LZW", 5},
{"JPEG", 6},
{"JPEG datastream", 7}, // DRAFT TIFF Technical Note 2 + TIFFphotoshop
{"Deflate/zlib", 8}, // Adobe Photoshop TIFF Technical Notes
{"PackBits", 32773},
{"Deflate/zlib", 32946}, // Adobe Photoshop TIFF Technical Notes
{}
}},
{"PhotometricInterpretation", 262, (struct tiff_value[]) {
{"WhiteIsZero", 0},
{"BlackIsZero", 1},
{"RGB", 2},
{"RGB Palette", 3},
{"Transparency mask", 4},
{"CMYK", 5},
{"YCbCr", 6},
{"CIELab", 8},
{"ICCLab", 9}, // Adobe PageMaker 6.0 TIFF Technical Notes
{}
}},
{"Threshholding", 263, (struct tiff_value[]) {
{"No dithering or halftoning", 1},
{"Ordered dither or halftoning", 2},
{"Randomized process", 3},
{}
}},
{"CellWidth", 264, NULL},
{"CellLength", 265, NULL},
{"FillOrder", 266, (struct tiff_value[]) {
{"MSB-first", 1},
{"LSB-first", 2},
{}
}},
{"DocumentName", 269, NULL},
{"ImageDescription", 270, NULL},
{"Make", 271, NULL},
{"Model", 272, NULL},
{"StripOffsets", 273, NULL},
{"Orientation", 274, (struct tiff_value[]) {
{"TopLeft", 1},
{"TopRight", 2},
{"BottomRight", 3},
{"BottomLeft", 4},
{"LeftTop", 5},
{"RightTop", 6},
{"RightBottom", 7},
{"LeftBottom", 8},
{}
}},
{"SamplesPerPixel", 277, NULL},
{"RowsPerStrip", 278, NULL},
{"StripByteCounts", 279, NULL},
{"MinSampleValue", 280, NULL},
{"MaxSampleValue", 281, NULL},
{"XResolution", 282, NULL},
{"YResolution", 283, NULL},
{"PlanarConfiguration", 284, (struct tiff_value[]) {
{"Chunky", 1},
{"Planar", 2},
{}
}},
{"PageName", 285, NULL},
{"XPosition", 286, NULL},
{"YPosition", 287, NULL},
{"FreeOffsets", 288, NULL},
{"FreeByteCounts", 289, NULL},
{"GrayResponseUnit", 290, (struct tiff_value[]) {
{"1/10", 1},
{"1/100", 2},
{"1/1000", 3},
{"1/10000", 4},
{"1/100000", 5},
{}
}},
{"GrayResponseCurve", 291, NULL},
{"T4Options", 292, NULL},
{"T6Options", 293, NULL},
{"ResolutionUnit", 296, (struct tiff_value[]) {
{"None", 1},
{"Inch", 2},
{"Centimeter", 3},
{}
}},
{"PageNumber", 297, NULL},
{"TransferFunction", 301, NULL},
{"Software", 305, NULL},
{"DateTime", 306, NULL},
{"Artist", 315, NULL},
{"HostComputer", 316, NULL},
{"Predictor", 317, (struct tiff_value[]) {
{"None", 1},
{"Horizontal", 2},
{"Floating point", 3}, // Adobe Photoshop TIFF Technical Note 3
{}
}},
{"WhitePoint", 318, NULL},
{"PrimaryChromaticities", 319, NULL},
{"ColorMap", 320, NULL},
{"HalftoneHints", 321, NULL},
{"TileWidth", 322, NULL},
{"TileLength", 323, NULL},
{"TileOffsets", 324, NULL},
{"TileByteCounts", 325, NULL},
{"SubIFDs", 330, NULL}, // TIFF Technical Note 1: TIFF Trees
{"InkSet", 332, (struct tiff_value[]) {
{"CMYK", 1},
{"Non-CMYK", 2},
{}
}},
{"InkNames", 333, NULL},
{"NumberOfInks", 334, NULL},
{"DotRange", 336, NULL},
{"TargetPrinter", 337, NULL},
{"ExtraSamples", 338, (struct tiff_value[]) {
{"Unspecified", 0},
{"Associated alpha", 1},
{"Unassociated alpha", 2},
{}
}},
{"SampleFormat", 339, (struct tiff_value[]) {
{"Unsigned integer", 1},
{"Two's complement signed integer", 2},
{"IEEE floating-point", 3},
{"Undefined", 4},
{}
}},
{"SMinSampleValue", 340, NULL},
{"SMaxSampleValue", 341, NULL},
{"TransferRange", 342, NULL},
{"ClipPath", 343, NULL}, // TIFF Technical Note 2: Clipping Path
{"XClipPathUnits", 344, NULL}, // TIFF Technical Note 2: Clipping Path
{"YClipPathUnits", 345, NULL}, // TIFF Technical Note 2: Clipping Path
{"Indexed", 346, NULL}, // TIFF Technical Note 3: Indexed Images
{"JPEGTables", 347, NULL}, // DRAFT TIFF Technical Note 2 + TIFFphotoshop
{"OPIProxy", 351, NULL}, // Adobe PageMaker 6.0 TIFF Technical Notes
{"JPEGProc", 512, (struct tiff_value[]) {
{"Baseline sequential", 1},
{"Lossless Huffman", 14},
{}
}},
{"JPEGInterchangeFormat", 513, NULL},
{"JPEGInterchangeFormatLength", 514, NULL},
{"JPEGRestartInterval", 515, NULL},
{"JPEGLosslessPredictors", 517, (struct tiff_value[]) {
{"A", 1},
{"B", 2},
{"C", 3},
{"A+B+C", 4},
{"A+((B-C)/2)", 5},
{"B+((A-C)/2)", 6},
{"(A+B)/2", 7},
{}
}},
{"JPEGPointTransforms", 518, NULL},
{"JPEGQTables", 519, NULL},
{"JPEGDCTables", 520, NULL},
{"JPEGACTables", 521, NULL},
{"YCbCrCoefficients", 529, NULL},
{"YCbCrSubSampling", 530, NULL},
{"YCbCrPositioning", 531, (struct tiff_value[]) {
{"Centered", 1},
{"Co-sited", 2},
{}
}},
{"ReferenceBlackWhite", 532, NULL},
{"XMP", 700, NULL}, // Adobe XMP Specification Part 3 Table 12/13/39
{"ImageID", 32781, NULL}, // Adobe PageMaker 6.0 TIFF Technical Notes
{"Copyright", 33432, NULL},
// TODO(p): Extract IPTC DataSets, like we do directly with PSIRs.
{"IPTC", 33723, NULL}, // Adobe XMP Specification Part 3 Table 12/39
// TODO(p): Extract PSIRs, like we do directly with the JPEG segment.
{"Photoshop", 34377, NULL}, // Adobe XMP Specification Part 3 Table 12/39
{"Exif IFD Pointer", 34665, NULL}, // Exif 2.3
{"GPS Info IFD Pointer", 34853, NULL}, // Exif 2.3
{"TIFF/EP StandardID", 37398, NULL}, // ISO 12234 TIFF/EP image data format
{"ImageSourceData", 37724, NULL}, // Adobe Photoshop TIFF Technical Notes
{"DNGVersion", 50706, NULL}, // DNG 1.5.0.0
{"DNGBackwardVersion", 50707, NULL}, // DNG 1.5.0.0
{"UniqueCameraModel", 50708, NULL}, // DNG 1.5.0.0
{"LocalizedCameraModel", 50709, NULL}, // DNG 1.5.0.0
// TODO(p): Add more DNG tags that can be only in IFD0.
{}
};
// Exif 2.3 4.6.5
static struct tiff_entry exif_entries[] = {
{"ExposureTime", 33434, NULL},
{"FNumber", 33437, NULL},
{"ExposureProgram", 34850, (struct tiff_value[]) {
{"Not defined", 0},
{"Manual", 1},
{"Normal program", 2},
{"Aperture priority", 3},
{"Shutter priority", 4},
{"Creative program", 5},
{"Action program", 6},
{"Portrait mode", 7},
{"Landscape mode", 8},
{}
}},
{"SpectralSensitivity", 34852, NULL},
{"PhotographicSensitivity", 34855, NULL},
{"OECF", 34856, NULL},
{"SensitivityType", 34864, (struct tiff_value[]) {
{"Unknown", 0},
{"Standard output sensitivity", 1},
{"Recommended exposure index", 2},
{"ISO speed", 3},
{"SOS and REI", 4},
{"SOS and ISO speed", 5},
{"REI and ISO speed", 6},
{"SOS and REI and ISO speed", 7},
{}
}},
{"StandardOutputSensitivity", 34865, NULL},
{"RecommendedExposureIndex", 34866, NULL},
{"ISOSpeed", 34867, NULL},
{"ISOSpeedLatitudeyyy", 34868, NULL},
{"ISOSpeedLatitudezzz", 34869, NULL},
{"ExifVersion", 36864, NULL},
{"DateTimeOriginal", 36867, NULL},
{"DateTimeDigitized", 36868, NULL},
{"OffsetTime", 36880, NULL}, // 2.31
{"OffsetTimeOriginal", 36881, NULL}, // 2.31
{"OffsetTimeDigitized", 36882, NULL}, // 2.31
{"ComponentsConfiguration", 37121, (struct tiff_value[]) {
{"Does not exist", 0},
{"Y", 1},
{"Cb", 2},
{"Cr", 3},
{"R", 4},
{"G", 5},
{"B", 6},
{}
}},
{"CompressedBitsPerPixel", 37122, NULL},
{"ShutterSpeedValue", 37377, NULL},
{"ApertureValue", 37378, NULL},
{"BrightnessValue", 37379, NULL},
{"ExposureBiasValue", 37380, NULL},
{"MaxApertureValue", 37381, NULL},
{"SubjectDistance", 37382, NULL},
{"MeteringMode", 37383, (struct tiff_value[]) {
{"Unknown", 0},
{"Average", 1},
{"CenterWeightedAverage", 2},
{"Spot", 3},
{"MultiSpot", 4},
{"Pattern", 5},
{"Partial", 6},
{"Other", 255},
{}
}},
{"LightSource", 37384, (struct tiff_value[]) {
{"Unknown", 0},
{"Daylight", 1},
{"Fluorescent", 2},
{"Tungsten (incandescent light)", 3},
{"Flash", 4},
{"Fine weather", 9},
{"Cloudy weather", 10},
{"Shade", 11},
{"Daylight fluorescent (D 5700 - 7100K)", 12},
{"Day white fluorescent (N 4600 - 5500K)", 13},
{"Cool white fluorescent (W 3800 - 4500K)", 14},
{"White fluorescent (WW 3250 - 3800K)", 15},
{"Warm white fluorescent (L 2600 - 3250K)", 16},
{"Standard light A", 17},
{"Standard light B", 18},
{"Standard light C", 19},
{"D55", 20},
{"D65", 21},
{"D75", 22},
{"D50", 23},
{"ISO studio tungsten", 24},
{"Other light source", 255},
{}
}},
{"Flash", 37385, NULL},
{"FocalLength", 37386, NULL},
{"SubjectArea", 37396, NULL},
{"MakerNote", 37500, NULL},
// TODO(p): Decode.
{"UserComment", 37510, NULL},
{"SubSecTime", 37520, NULL},
{"SubSecTimeOriginal", 37521, NULL},
{"SubSecTimeDigitized", 37522, NULL},
{"Temperature", 37888, NULL}, // 2.31
{"Humidity", 37889, NULL}, // 2.31
{"Pressure", 37890, NULL}, // 2.31
{"WaterDepth", 37891, NULL}, // 2.31
{"Acceleration", 37892, NULL}, // 2.31
{"CameraElevationAngle", 37893, NULL}, // 2.31
{"FlashpixVersion", 40960, NULL},
{"ColorSpace", 40961, (struct tiff_value[]) {
{"sRGB", 1},
{"Uncalibrated", 0xFFFF},
{}
}},
{"PixelXDimension", 40962, NULL},
{"PixelYDimension", 40963, NULL},
{"RelatedSoundFile", 40964, NULL},
{"Interoperability IFD Pointer", 40965, NULL},
{"FlashEnergy", 41483, NULL},
{"SpatialFrequencyResponse", 41484, NULL},
{"FocalPlaneXResolution", 41486, NULL},
{"FocalPlaneYResolution", 41487, NULL},
{"FocalPlaneResolutionUnit", 41488, NULL},
{"SubjectLocation", 41492, NULL},
{"ExposureIndex", 41493, NULL},
{"SensingMethod", 41495, (struct tiff_value[]) {
{"Not defined", 1},
{"One-chip color area sensor", 2},
{"Two-chip color area sensor", 3},
{"Three-chip color area sensor", 4},
{"Color sequential area sensor", 5},
{"Trilinear sensor", 7},
{"Color sequential linear sensor", 8},
{}
}},
{"FileSource", 41728, (struct tiff_value[]) {
{"Others", 0},
{"Scanner of transparent type", 1},
{"Scanner of reflex type", 2},
{"DSC", 3},
{}
}},
{"SceneType", 41729, (struct tiff_value[]) {
{"Directly-photographed image", 1},
{}
}},
{"CFAPattern", 41730, NULL},
{"CustomRendered", 41985, (struct tiff_value[]) {
{"Normal process", 0},
{"Custom process", 1},
{}
}},
{"ExposureMode", 41986, (struct tiff_value[]) {
{"Auto exposure", 0},
{"Manual exposure", 1},
{"Auto bracket", 2},
{}
}},
{"WhiteBalance", 41987, (struct tiff_value[]) {
{"Auto white balance", 0},
{"Manual white balance", 1},
{}
}},
{"DigitalZoomRatio", 41988, NULL},
{"FocalLengthIn35mmFilm", 41989, NULL},
{"SceneCaptureType", 41990, (struct tiff_value[]) {
{"Standard", 0},
{"Landscape", 1},
{"Portrait", 2},
{"Night scene", 3},
{}
}},
{"GainControl", 41991, (struct tiff_value[]) {
{"None", 0},
{"Low gain up", 1},
{"High gain up", 2},
{"Low gain down", 3},
{"High gain down", 4},
{}
}},
{"Contrast", 41992, (struct tiff_value[]) {
{"Normal", 0},
{"Soft", 1},
{"Hard", 2},
{}
}},
{"Saturation", 41993, (struct tiff_value[]) {
{"Normal", 0},
{"Low", 1},
{"High", 2},
{}
}},
{"Sharpness", 41994, (struct tiff_value[]) {
{"Normal", 0},
{"Soft", 1},
{"Hard", 2},
{}
}},
{"DeviceSettingDescription", 41995, NULL},
{"SubjectDistanceRange", 41996, (struct tiff_value[]) {
{"Unknown", 0},
{"Macro", 1},
{"Close view", 2},
{"Distant view", 3},
{}
}},
{"ImageUniqueID", 42016, NULL},
{"CameraOwnerName", 42032, NULL},
{"BodySerialNumber", 42033, NULL},
{"LensSpecification", 42034, NULL},
{"LensMake", 42035, NULL},
{"LensModel", 42036, NULL},
{"LensSerialNumber", 42037, NULL},
{"CompositeImage", 42080, NULL}, // 2.32
{"SourceImageNumberOfCompositeImage", 42081, NULL}, // 2.32
{"SourceExposureTimesOfCompositeImage", 42082, NULL}, // 2.32
{"Gamma", 42240, NULL},
{}
};
// Exif 2.3 4.6.6 (Notice it starts at 0.)
static struct tiff_entry exif_gps_entries[] = {
{"GPSVersionID", 0, NULL},
{"GPSLatitudeRef", 1, NULL},
{"GPSLatitude", 2, NULL},
{"GPSLongitudeRef", 3, NULL},
{"GPSLongitude", 4, NULL},
{"GPSAltitudeRef", 5, (struct tiff_value[]) {
{"Sea level", 0},
{"Sea level reference (negative value)", 1},
{}
}},
{"GPSAltitude", 6, NULL},
{"GPSTimeStamp", 7, NULL},
{"GPSSatellites", 8, NULL},
{"GPSStatus", 9, NULL},
{"GPSMeasureMode", 10, NULL},
{"GPSDOP", 11, NULL},
{"GPSSpeedRef", 12, NULL},
{"GPSSpeed", 13, NULL},
{"GPSTrackRef", 14, NULL},
{"GPSTrack", 15, NULL},
{"GPSImgDirectionRef", 16, NULL},
{"GPSImgDirection", 17, NULL},
{"GPSMapDatum", 18, NULL},
{"GPSDestLatitudeRef", 19, NULL},
{"GPSDestLatitude", 20, NULL},
{"GPSDestLongitudeRef", 21, NULL},
{"GPSDestLongitude", 22, NULL},
{"GPSDestBearingRef", 23, NULL},
{"GPSDestBearing", 24, NULL},
{"GPSDestDistanceRef", 25, NULL},
{"GPSDestDistance", 26, NULL},
{"GPSProcessingMethod", 27, NULL},
{"GPSAreaInformation", 28, NULL},
{"GPSDateStamp", 29, NULL},
{"GPSDifferential", 30, (struct tiff_value[]) {
{"Measurement without differential correction", 0},
{"Differential correction applied", 1},
{}
}},
{"GPSHPositioningError", 31, NULL},
{}
};
// Exif 2.3 4.6.7 (Notice it starts at 1, and collides with GPS.)
static struct tiff_entry exif_interop_entries[] = {
{"InteroperabilityIndex", 1, NULL},
{}
};
#include "tiff-tables.h"
// TODO(p): Consider if these can't be inlined into `tiff_entries`.
static struct {
@@ -871,7 +370,7 @@ static struct {
{330, tiff_entries}, // SubIFDs
{34665, exif_entries}, // Exif IFD Pointer
{34853, exif_gps_entries}, // GPS Info IFD Pointer
{40965, exif_interop_entries}, // Interoperability IFD Pointer
{40965, exif_interoperability_entries}, // Interoperability IFD Pointer
{}
};