Generate TIFF structs/enums from a text file

This is to make the tables much easier to maintain.

1 files changed, 2 insertions, 503 deletions

diff --git a/tools/info.h b/tools/info.h
index ef58d7b..816c9cf 100644
--- a/tools/info.h
+++ b/tools/info.h
@@ -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
 	{}
 };