| 17 | | class ParseError<Jpeg::ParseError |
| 18 | | end |
| 19 | | |
| 20 | | # |
| 21 | | # Data with read class |
| 22 | | # |
| 23 | | class Data |
| 24 | | PACKSTR={ |
| 25 | | :le=>{ |
| 26 | | :ushort=>'v*', |
| 27 | | :ulong=>'V*', |
| 28 | | :float=>'e*', |
| 29 | | :double=>'E*' |
| 30 | | }.freeze, |
| 31 | | :be=>{ |
| 32 | | :ushort=>'n*', |
| 33 | | :ulong=>'N*', |
| 34 | | :float=>'g*', |
| 35 | | :double=>'G*' |
| 36 | | }.freeze |
| 37 | | } |
| 38 | | PACKSTR.freeze |
| 39 | | |
| 40 | | def initialize(data,endian=:le) |
| 41 | | @data=data |
| 42 | | @endian=endian |
| 43 | | end |
| 44 | | attr_reader :endian |
| 45 | | |
| 46 | | def get_ushort(offset=0) |
| 47 | | self.read_ushort(offset,1).first |
| 48 | | end |
| 49 | | def get_ulong(offset=0) |
| 50 | | self.read_ulong(offset,1).first |
| 51 | | end |
| 52 | | |
| 53 | | def read_char(offset=0,n=1) |
| 54 | | @data[offset..offset+n-1] |
| 55 | | end |
| 56 | | def read_ascii(offset=0,n=1) |
| 57 | | @data[offset..offset+n-1].unpack('A*') |
| 58 | | end |
| 59 | | def read_byte(offset=0,n=1) |
| 60 | | @data[offset..offset+n-1].unpack('c*') |
| 61 | | end |
| 62 | | def read_ubyte(offset=0,n=1) |
| 63 | | @data[offset..offset+n-1].unpack('C*') |
| 64 | | end |
| 65 | | def read_short(offset=0,n=1) |
| 66 | | self.read_ushort(offset,n).pack('s*').unpack('s*') |
| 67 | | end |
| 68 | | def read_long(offset=0,n=1) |
| 69 | | self.read_ulong(offset,n).pack('l*').unpack('l*') |
| 70 | | end |
| 71 | | def read_rational(offset=0,n=1) |
| 72 | | ret=[] |
| 73 | | buf=self.read_long(offset,n*2) |
| 74 | | until(buf.empty?) |
| 75 | | ret.push(Exif::Rational.new!(buf.shift,buf.shift)) |
| 76 | | end |
| 77 | | ret |
| 78 | | end |
| 79 | | def read_urational(offset=0,n=1) |
| 80 | | ret=[] |
| 81 | | buf=self.read_ulong(offset,n*2) |
| 82 | | until(buf.empty?) |
| 83 | | ret.push(Exif::Rational.new!(buf.shift,buf.shift)) |
| 84 | | end |
| 85 | | ret |
| 86 | | end |
| 87 | | |
| 88 | | def read_ushort(offset=0,n=1) |
| 89 | | @data[offset..offset+n*2-1].unpack(PACKSTR[@endian][:ushort]) |
| 90 | | end |
| 91 | | def read_ulong(offset=0,n=1) |
| 92 | | @data[offset..offset+n*4-1].unpack(PACKSTR[@endian][:ulong]) |
| 93 | | end |
| 94 | | def read_float(offset=0,n=1) |
| 95 | | @data[offset..offset+n*4-1].unpack(PACKSTR[@endian][:float]) |
| 96 | | end |
| 97 | | def read_double(offset=0,n=1) |
| 98 | | @data[offset..offset+n*8-1].unpack(PACKSTR[@endian][:double]) |
| 99 | | end |
| 100 | | |
| 101 | | def to_s |
| 102 | | @data |
| 103 | | end |
| 104 | | alias dump to_s |
| 105 | | |
| 106 | | def size |
| 107 | | @data.size |
| 108 | | end |
| 109 | | |
| 110 | | def Data.new_char(x,endian=:le) |
| 111 | | Data.new(x.to_s,endian) |
| 112 | | end |
| 113 | | def Data.new_ascii(x,endian=:le) |
| 114 | | Data.new(x.to_a.pack('A*')+"\x00",endian) |
| 115 | | end |
| 116 | | def Data.new_byte(x,endian=:le) |
| 117 | | Data.new(x.to_a.pack('c*'),endian) |
| 118 | | end |
| 119 | | def Data.new_ubyte(x,endian=:le) |
| 120 | | Data.new(x.to_a.pack('C*'),endian) |
| 121 | | end |
| 122 | | def Data.new_short(x,endian=:le) |
| 123 | | Data.new(x.to_a.pack('s*'). |
| 124 | | unpack(PACKSTR[endian][:ushort]). |
| 125 | | pack(PACKSTR[endian][:ushort]), |
| 126 | | endian) |
| 127 | | end |
| 128 | | def Data.new_ushort(x,endian=:le) |
| 129 | | Data.new(x.to_a.pack(PACKSTR[endian][:ushort]), |
| 130 | | endian) |
| 131 | | end |
| 132 | | def Data.new_long(x,endian=:le) |
| 133 | | Data.new(x.to_a.pack('l*'). |
| 134 | | unpack(PACKSTR[endian][:ulong]). |
| 135 | | pack(PACKSTR[endian][:ulong]), |
| 136 | | endian) |
| 137 | | end |
| 138 | | def Data.new_ulong(x,endian=:le) |
| 139 | | Data.new(x.to_a.pack(PACKSTR[endian][:ulong]),endian) |
| 140 | | end |
| 141 | | def Data.new_rational(x,endian=:le) |
| 142 | | Data.new_long(x.to_a.map{|a| a.to_a}.flatten, |
| 143 | | endian) |
| 144 | | end |
| 145 | | def Data.new_urational(x,endian=:le) |
| 146 | | Data.new_ulong(x.to_a.map{|a| a.to_a}.flatten, |
| 147 | | endian) |
| 148 | | end |
| 149 | | def Data.new_float(x,endian=:le) |
| 150 | | Data.new(x.to_a.pack(PACKSTR[endian][:float]),endian) |
| 151 | | end |
| 152 | | def Data.new_double(x,endian=:le) |
| 153 | | Data.new(x.to_a.pack(PACKSTR[endian][:double]),endian) |
| 154 | | end |
| 155 | | end |
| 156 | | |
| 157 | | class Rational<Rational |
| 158 | | def to_a |
| 159 | | [@numerator,@denominator] |
| 160 | | end |
| 161 | | end |
| 162 | | |
| 163 | | # |
| 164 | | # Exif::Ifd |
| 165 | | # |
| 166 | | class Ifd<Array |
| | 17 | class ParseError<Jpeg::ParseError |
| | 18 | end |
| 171 | | class Directory |
| 172 | | # |
| 173 | | # Tag Names |
| 174 | | # |
| 175 | | # InteroperabilityIndex=0x0001 |
| 176 | | # InteroperabilityVersion=0x0002 |
| | 23 | class Data |
| | 24 | PACKSTR={ |
| | 25 | :le=>{ |
| | 26 | :ushort=>'v*', |
| | 27 | :ulong=>'V*', |
| | 28 | :float=>'e*', |
| | 29 | :double=>'E*' |
| | 30 | }.freeze, |
| | 31 | :be=>{ |
| | 32 | :ushort=>'n*', |
| | 33 | :ulong=>'N*', |
| | 34 | :float=>'g*', |
| | 35 | :double=>'G*' |
| | 36 | }.freeze |
| | 37 | } |
| | 38 | PACKSTR.freeze |
| | 39 | |
| | 40 | def initialize(data,endian=:le) |
| | 41 | @data=data |
| | 42 | @endian=endian |
| | 43 | end |
| | 44 | attr_reader :endian |
| | 45 | |
| | 46 | def get_ushort(offset=0) |
| | 47 | self.read_ushort(offset,1).first |
| | 48 | end |
| | 49 | def get_ulong(offset=0) |
| | 50 | self.read_ulong(offset,1).first |
| | 51 | end |
| | 52 | |
| | 53 | def read_char(offset=0,n=1) |
| | 54 | @data[offset..offset+n-1] |
| | 55 | end |
| | 56 | def read_ascii(offset=0,n=1) |
| | 57 | @data[offset..offset+n-1].unpack('A*') |
| | 58 | end |
| | 59 | def read_byte(offset=0,n=1) |
| | 60 | @data[offset..offset+n-1].unpack('c*') |
| | 61 | end |
| | 62 | def read_ubyte(offset=0,n=1) |
| | 63 | @data[offset..offset+n-1].unpack('C*') |
| | 64 | end |
| | 65 | def read_short(offset=0,n=1) |
| | 66 | self.read_ushort(offset,n).pack('s*').unpack('s*') |
| | 67 | end |
| | 68 | def read_long(offset=0,n=1) |
| | 69 | self.read_ulong(offset,n).pack('l*').unpack('l*') |
| | 70 | end |
| | 71 | def read_rational(offset=0,n=1) |
| | 72 | ret=[] |
| | 73 | buf=self.read_long(offset,n*2) |
| | 74 | until(buf.empty?) |
| | 75 | ret.push(Exif::Rational.new!(buf.shift,buf.shift)) |
| | 76 | end |
| | 77 | ret |
| | 78 | end |
| | 79 | def read_urational(offset=0,n=1) |
| | 80 | ret=[] |
| | 81 | buf=self.read_ulong(offset,n*2) |
| | 82 | until(buf.empty?) |
| | 83 | ret.push(Exif::Rational.new!(buf.shift,buf.shift)) |
| | 84 | end |
| | 85 | ret |
| | 86 | end |
| | 87 | |
| | 88 | def read_ushort(offset=0,n=1) |
| | 89 | @data[offset..offset+n*2-1].unpack(PACKSTR[@endian][:ushort]) |
| | 90 | end |
| | 91 | def read_ulong(offset=0,n=1) |
| | 92 | @data[offset..offset+n*4-1].unpack(PACKSTR[@endian][:ulong]) |
| | 93 | end |
| | 94 | def read_float(offset=0,n=1) |
| | 95 | @data[offset..offset+n*4-1].unpack(PACKSTR[@endian][:float]) |
| | 96 | end |
| | 97 | def read_double(offset=0,n=1) |
| | 98 | @data[offset..offset+n*8-1].unpack(PACKSTR[@endian][:double]) |
| | 99 | end |
| | 100 | |
| | 101 | def to_s |
| | 102 | @data |
| | 103 | end |
| | 104 | alias dump to_s |
| | 105 | |
| | 106 | def size |
| | 107 | @data.size |
| | 108 | end |
| | 109 | |
| | 110 | def Data.new_char(x,endian=:le) |
| | 111 | Data.new(x.to_s,endian) |
| | 112 | end |
| | 113 | def Data.new_ascii(x,endian=:le) |
| | 114 | Data.new(x.to_a.pack('A*')+"\x00",endian) |
| | 115 | end |
| | 116 | def Data.new_byte(x,endian=:le) |
| | 117 | Data.new(x.to_a.pack('c*'),endian) |
| | 118 | end |
| | 119 | def Data.new_ubyte(x,endian=:le) |
| | 120 | Data.new(x.to_a.pack('C*'),endian) |
| | 121 | end |
| | 122 | def Data.new_short(x,endian=:le) |
| | 123 | Data.new(x.to_a.pack('s*'). |
| | 124 | unpack(PACKSTR[endian][:ushort]). |
| | 125 | pack(PACKSTR[endian][:ushort]), |
| | 126 | endian) |
| | 127 | end |
| | 128 | def Data.new_ushort(x,endian=:le) |
| | 129 | Data.new(x.to_a.pack(PACKSTR[endian][:ushort]), |
| | 130 | endian) |
| | 131 | end |
| | 132 | def Data.new_long(x,endian=:le) |
| | 133 | Data.new(x.to_a.pack('l*'). |
| | 134 | unpack(PACKSTR[endian][:ulong]). |
| | 135 | pack(PACKSTR[endian][:ulong]), |
| | 136 | endian) |
| | 137 | end |
| | 138 | def Data.new_ulong(x,endian=:le) |
| | 139 | Data.new(x.to_a.pack(PACKSTR[endian][:ulong]),endian) |
| | 140 | end |
| | 141 | def Data.new_rational(x,endian=:le) |
| | 142 | Data.new_long(x.to_a.map{|a| a.to_a}.flatten, |
| | 143 | endian) |
| | 144 | end |
| | 145 | def Data.new_urational(x,endian=:le) |
| | 146 | Data.new_ulong(x.to_a.map{|a| a.to_a}.flatten, |
| | 147 | endian) |
| | 148 | end |
| | 149 | def Data.new_float(x,endian=:le) |
| | 150 | Data.new(x.to_a.pack(PACKSTR[endian][:float]),endian) |
| | 151 | end |
| | 152 | def Data.new_double(x,endian=:le) |
| | 153 | Data.new(x.to_a.pack(PACKSTR[endian][:double]),endian) |
| | 154 | end |
| | 155 | end |
| | 156 | |
| | 157 | class Rational<Rational |
| | 158 | def to_a |
| | 159 | [@numerator,@denominator] |
| | 160 | end |
| | 161 | end |
| | 162 | |
| | 163 | # |
| | 164 | # Exif::Ifd |
| | 165 | # |
| | 166 | class Ifd<Array |
| | 167 | |
| | 168 | # |
| | 169 | # Exif::Ifd::Directory |
| | 170 | # |
| | 171 | class Directory |
| | 172 | # |
| | 173 | # Tag Names |
| | 174 | # |
| | 175 | # InteroperabilityIndex=0x0001 |
| | 176 | # InteroperabilityVersion=0x0002 |
| 181 | | VersionID=0x0000 |
| 182 | | LatitudeRef=0x0001 |
| 183 | | Latitude=0x0002 |
| 184 | | LongitudeRef=0x0003 |
| 185 | | Longitude=0x0004 |
| 186 | | AltitudeRef=0x0005 |
| 187 | | Altitude=0x0006 |
| 188 | | TimeStamp=0x0007 |
| 189 | | Satellites=0x0008 |
| 190 | | Status=0x0009 |
| 191 | | MeasureMode=0x000a |
| 192 | | Dop=0x000b |
| 193 | | SpeedRef=0x000c |
| 194 | | Speed=0x000d |
| 195 | | TrackRef=0x000e |
| 196 | | Track=0x000f |
| 197 | | ImgDirectionRef=0x0010 |
| 198 | | ImgDirection=0x0011 |
| 199 | | MapDatum=0x0012 |
| 200 | | DestLatitudeRef=0x0013 |
| 201 | | DestLatitude=0x0014 |
| 202 | | DestLongitudeRef=0x0015 |
| 203 | | DestLongitude=0x0016 |
| 204 | | DestBearingRef=0x0017 |
| 205 | | DestBearing=0x0018 |
| 206 | | DestDistanceRef=0x0019 |
| 207 | | DestDistance=0x001a |
| 208 | | ProcessingMethod=0x001b |
| 209 | | AreaInformation=0x001c |
| 210 | | DataStamp=0x001d |
| 211 | | Differential=0x001e |
| 212 | | |
| 213 | | NewSubfileType=0x00fe |
| 214 | | SubfileType=0x00ff |
| 215 | | ImageWidth=0x0100 |
| 216 | | ImageLength=0x0101 |
| 217 | | BitsPerSample=0x0102 |
| 218 | | Compression=0x0103 |
| 219 | | PhotometricInterpretation=0x0106 |
| 220 | | ImageDescription=0x010e |
| 221 | | Maker=0x010f |
| 222 | | Model=0x0110 |
| 223 | | StripOffsets=0x0111 |
| 224 | | Orientation=0x0112 |
| 225 | | SamplesPerPixel=0x0115 |
| 226 | | RowsPerStrip=0x0116 |
| 227 | | StripByteConunts=0x0117 |
| 228 | | XResolution=0x011a |
| 229 | | YResolution=0x011b |
| 230 | | PlanarConfiguration=0x011c |
| 231 | | ResolutionUnit=0x0128 |
| 232 | | TransferFunction=0x012d |
| 233 | | Software=0x0131 |
| 234 | | DateTime=0x0132 |
| 235 | | Artist=0x013b |
| 236 | | Predictor=0x013d |
| 237 | | WhitePoint=0x013e |
| 238 | | PrimaryChromaticities=0x013f |
| 239 | | TileWidth=0x0142 |
| 240 | | TileLength=0x0143 |
| 241 | | TileOffsets=0x0144 |
| 242 | | TileByteCounts=0x0145 |
| 243 | | SubIFDs=0x014a |
| 244 | | JPEGTables=0x015b |
| 245 | | JpegInterchangeFormat=0x0201 |
| 246 | | JpegInterchangeFormatLength=0x0202 |
| 247 | | YCbCrCoefficients=0x0211 |
| 248 | | YCbCrSubSampling=0x0212 |
| 249 | | YCbCrPositioning=0x0213 |
| 250 | | ReferenceBlackWhite=0x0214 |
| 251 | | RelatedImageFileFormat=0x1000 |
| 252 | | RelatedImageWidth=0x1001 |
| 253 | | CFARepeatPatternDim=0x828d |
| 254 | | CFAPattern=0x828e |
| 255 | | BatteryLevel=0x828f |
| 256 | | Copyright=0x8298 |
| 257 | | ExposureTime=0x829a |
| 258 | | FNumber=0x829d |
| 259 | | IPTC_NAA=0x83bb |
| 260 | | ExifIFDPointer=0x8769 |
| 261 | | InterColorProfile=0x8773 |
| 262 | | ExposureProgram=0x8822 |
| 263 | | SpectralSensitivity=0x8824 |
| 264 | | GPSIFDPointer=0x8825 #GPSInfo -> GPSIFDPointer |
| 265 | | ISOSpeedRatings=0x8827 |
| 266 | | OECF=0x8828 |
| 267 | | Interlace=0x8829 |
| 268 | | TimeZoneOffset=0x882a |
| 269 | | SelfTimerMode=0x882b |
| 270 | | ExifVersion=0x9000 |
| 271 | | DateTimeOriginal=0x9003 |
| 272 | | DateTimeDigitized=0x9004 |
| 273 | | ComponentsConfiguration=0x9101 |
| 274 | | CompressedBitsPerPixel=0x9102 |
| 275 | | ShutterSpeedValue=0x9201 |
| 276 | | ApertureValue=0x9202 |
| 277 | | BrightnessValue=0x9203 |
| 278 | | ExposureBiasValue=0x9204 |
| 279 | | MaxApertureValue=0x9205 |
| 280 | | SubjectDistance=0x9206 |
| 281 | | MeteringMode=0x9207 |
| 282 | | LightSource=0x9208 |
| 283 | | Flash=0x9209 |
| 284 | | FocalLength=0x920a |
| 285 | | FlashEnergy=0x920b |
| 286 | | SpatialFrequencyResponse=0x920c |
| 287 | | Noise=0x920d |
| 288 | | ImageNumber=0x9211 |
| 289 | | SecurityClassification=0x9212 |
| 290 | | ImageHistory=0x9213 |
| 291 | | SubjectLocation=0x9214 |
| 292 | | ExposureIndex=0x9215 |
| 293 | | TIFF_EPStandardID=0x9216 |
| 294 | | MakerNote=0x927c |
| 295 | | UserComment=0x9286 |
| 296 | | SubSecTime=0x9290 |
| 297 | | SubSecTimeOriginal=0x9291 |
| 298 | | SubSecTimeDigitized=0x9292 |
| 299 | | FlashPixVersion=0xa000 |
| 300 | | ColorSpace=0xa001 |
| 301 | | ExifImageWidth=0xa002 |
| 302 | | ExifImageHeight=0xa003 |
| 303 | | RelatedSoundFile=0xa004 |
| 304 | | InteroperabilityIFDPointer=0xa005 |
| 305 | | FlashEnergy2=0xa20b |
| 306 | | SpatialFrequencyResponse2=0xa20c |
| 307 | | FocalPlaneXResolution=0xa20e |
| 308 | | FocalPlaneYResolution=0xa20f |
| 309 | | FocalPlaneResolutionUnit=0xa210 |
| 310 | | SubjectLocation2=0xa214 |
| 311 | | ExposureIndex2=0xa215 |
| 312 | | SensingMethod=0xa217 |
| 313 | | FileSource=0xa300 |
| 314 | | SceneType=0xa301 |
| 315 | | CFAPattern2=0xa302 |
| 316 | | |
| 317 | | class TagInfo |
| 318 | | def initialize(name,format,limit=0) |
| 319 | | @name=name |
| 320 | | @format=format.to_a.freeze |
| 321 | | @limit=limit |
| 322 | | end |
| 323 | | attr_reader :name,:format,:limit |
| 324 | | end |
| 325 | | |
| 326 | | TAG_NAME={ |
| 327 | | # 0x0001=>TagInfo.new("InteroperabilityIndex",[2],0), |
| 328 | | # 0x0002=>TagInfo.new("InteroperabilityVersion",[7],4), |
| 329 | | |
| 330 | | 0x0000=>TagInfo.new("VersionID",[1],4), |
| 331 | | 0x0001=>TagInfo.new("LatitudeRef",[2],2), |
| 332 | | 0x0002=>TagInfo.new("Latitude",[5],3), |
| 333 | | 0x0003=>TagInfo.new("LongitudeRef",[2],2), |
| 334 | | 0x0004=>TagInfo.new("Longitude",[5],3), |
| 335 | | 0x0005=>TagInfo.new("AltitudeRef",[1],1), |
| 336 | | 0x0006=>TagInfo.new("Altitude",[5],1), |
| 337 | | 0x0007=>TagInfo.new("TimeStamp",[5],3), |
| 338 | | 0x0008=>TagInfo.new("Satellites",[1],0), |
| 339 | | 0x0009=>TagInfo.new("Status",[2],2), |
| 340 | | 0x000a=>TagInfo.new("MeasureMode",[2],2), |
| 341 | | 0x000b=>TagInfo.new("Dop",[5],1), |
| 342 | | 0x000c=>TagInfo.new("SpeedRef",[2],2), |
| 343 | | 0x000d=>TagInfo.new("Speed",[5],1), |
| 344 | | 0x000e=>TagInfo.new("TrackRef",[2],2), |
| 345 | | 0x000f=>TagInfo.new("Track",[5],1), |
| 346 | | 0x0010=>TagInfo.new("ImgDirectionRef",[2],2), |
| 347 | | 0x0011=>TagInfo.new("ImgDirection",[5],1), |
| 348 | | 0x0012=>TagInfo.new("MapDatum",[2],0), |
| 349 | | 0x0013=>TagInfo.new("DestLatitudeRef",[2],2), |
| 350 | | 0x0014=>TagInfo.new("DestLatitude",[5],3), |
| 351 | | 0x0015=>TagInfo.new("DestLongitudeRef",[2],2), |
| 352 | | 0x0016=>TagInfo.new("DestLongitude",[5],3), |
| 353 | | 0x0017=>TagInfo.new("DestBearingRef",[2],2), |
| 354 | | 0x0018=>TagInfo.new("DestBearing",[5],1), |
| 355 | | 0x0019=>TagInfo.new("DestDistanceRef",[2],2), |
| 356 | | 0x001a=>TagInfo.new("DestDistance",[5],1), |
| 357 | | 0x001b=>TagInfo.new("ProcessingMethod",[7],0), |
| 358 | | 0x001c=>TagInfo.new("AreaInformation",[7],0), |
| 359 | | 0x001d=>TagInfo.new("DataStamp",[2],11), |
| 360 | | 0x001e=>TagInfo.new("Differential",[3],1), |
| 361 | | |
| 362 | | 0x00fe=>TagInfo.new("NewSubfileType",[4],1), |
| 363 | | 0x00ff=>TagInfo.new("SubfileType",[3],1), |
| 364 | | 0x0100=>TagInfo.new("ImageWidth",[3,9],1), |
| 365 | | 0x0101=>TagInfo.new("ImageLength",[3,9],1), |
| 366 | | 0x0102=>TagInfo.new("BitsPerSample",[3],3), |
| 367 | | 0x0103=>TagInfo.new("Compression",[3],1), |
| 368 | | 0x0106=>TagInfo.new("PhotometricInterpretation",[3],1), |
| 369 | | 0x010e=>TagInfo.new("ImageDescription",[2],0), |
| 370 | | 0x010f=>TagInfo.new("Maker",[2],0), |
| 371 | | 0x0110=>TagInfo.new("Model",[2],0), |
| 372 | | 0x0111=>TagInfo.new("StripOffsets",[3,9],0), |
| 373 | | 0x0112=>TagInfo.new("Orientation",[3],1), |
| 374 | | 0x0115=>TagInfo.new("SamplesPerPixel",[3],1), |
| 375 | | 0x0116=>TagInfo.new("RowsPerStrip",[3,9],1), |
| 376 | | 0x0117=>TagInfo.new("StripByteConunts",[3,9],0), |
| 377 | | 0x011a=>TagInfo.new("XResolution",[5],1), |
| 378 | | 0x011b=>TagInfo.new("YResolution",[5],1), |
| 379 | | 0x011c=>TagInfo.new("PlanarConfiguration",[3],1), |
| 380 | | 0x0128=>TagInfo.new("ResolutionUnit",[3],1), |
| 381 | | 0x012d=>TagInfo.new("TransferFunction",[3],3), |
| 382 | | 0x0131=>TagInfo.new("Software",[2],0), |
| 383 | | 0x0132=>TagInfo.new("DateTime",[2],20), |
| 384 | | 0x013b=>TagInfo.new("Artist",[2],0), |
| 385 | | 0x013d=>TagInfo.new("Predictor",[3],1), |
| 386 | | 0x013e=>TagInfo.new("WhitePoint",[5],2), |
| 387 | | 0x013f=>TagInfo.new("PrimaryChromaticities",[5],6), |
| 388 | | 0x0142=>TagInfo.new("TileWidth",[3],1), |
| 389 | | 0x0143=>TagInfo.new("TileLength",[3],1), |
| 390 | | 0x0144=>TagInfo.new("TileOffsets",[4],0), |
| 391 | | 0x0145=>TagInfo.new("TileByteCounts",[3],0), |
| 392 | | 0x014a=>TagInfo.new("SubIFDs",[4],0), |
| 393 | | 0x015b=>TagInfo.new("JPEGTables",[7],0), |
| 394 | | 0x0201=>TagInfo.new("JpegInterchangeFormat",[4],1), |
| 395 | | 0x0202=>TagInfo.new("JpegInterchangeFormatLength",[4],1), |
| 396 | | 0x0211=>TagInfo.new("YCbCrCoefficients",[5],3), |
| 397 | | 0x0212=>TagInfo.new("YCbCrSubSampling",[3],2), |
| 398 | | 0x0213=>TagInfo.new("YCbCrPositioning",[3],1), |
| 399 | | 0x0214=>TagInfo.new("ReferenceBlackWhite",[5],6), |
| 400 | | 0x1000=>TagInfo.new("RelatedImageFileFormat",[2],0), |
| 401 | | 0x1001=>TagInfo.new("RelatedImageLength",[8],0), |
| 402 | | 0x1001=>TagInfo.new("RelatedImageWidth",[8],0), |
| 403 | | 0x828d=>TagInfo.new("CFARepeatPatternDim",[3],2), |
| 404 | | 0x828e=>TagInfo.new("CFAPattern",[1],0), |
| 405 | | 0x828f=>TagInfo.new("BatteryLevel",[5],1), |
| 406 | | 0x8298=>TagInfo.new("Copyright",[2],0), |
| 407 | | 0x829a=>TagInfo.new("ExposureTime",[5],1), |
| 408 | | 0x829d=>TagInfo.new("FNumber",[5],1), |
| 409 | | 0x83bb=>TagInfo.new("IPTC_NAA",[4],0), |
| 410 | | 0x8769=>TagInfo.new("ExifIFDPointer",[4],1), |
| 411 | | 0x8773=>TagInfo.new("InterColorProfile",[7],0), |
| 412 | | 0x8822=>TagInfo.new("ExposureProgram",[3],1), |
| 413 | | 0x8824=>TagInfo.new("SpectralSensitivity",[2],0), |
| 414 | | 0x8825=>TagInfo.new("GPSIFDPointer",[4],1), |
| 415 | | 0x8827=>TagInfo.new("ISOSpeedRatings",[3],2), |
| 416 | | 0x8828=>TagInfo.new("OECF",[7],0), |
| 417 | | 0x8829=>TagInfo.new("Interlace",[3],1), |
| 418 | | 0x882a=>TagInfo.new("TimeZoneOffset",[8],1), |
| 419 | | 0x882b=>TagInfo.new("SelfTimerMode",[3],1), |
| 420 | | 0x9000=>TagInfo.new("ExifVersion",[7],4), |
| 421 | | 0x9003=>TagInfo.new("DateTimeOriginal",[2],20), |
| 422 | | 0x9004=>TagInfo.new("DateTimeDigitized",[2],20), |
| 423 | | 0x9101=>TagInfo.new("ComponentsConfiguration",[7],4), |
| 424 | | 0x9102=>TagInfo.new("CompressedBitsPerPixel",[5],1), |
| 425 | | 0x9201=>TagInfo.new("ShutterSpeedValue",[10],1), |
| 426 | | 0x9202=>TagInfo.new("ApertureValue",[5],1), |
| 427 | | 0x9203=>TagInfo.new("BrightnessValue",[10],1), |
| 428 | | 0x9204=>TagInfo.new("ExposureBiasValue",[10],1), |
| 429 | | 0x9205=>TagInfo.new("MaxApertureValue",[5],1), |
| 430 | | 0x9206=>TagInfo.new("SubjectDistance",[10],1), |
| 431 | | 0x9207=>TagInfo.new("MeteringMode",[3],1), |
| 432 | | 0x9208=>TagInfo.new("LightSource",[3],1), |
| 433 | | 0x9209=>TagInfo.new("Flash",[3],1), |
| 434 | | 0x920a=>TagInfo.new("FocalLength",[5],1), |
| 435 | | 0x920b=>TagInfo.new("FlashEnergy",[5],1), |
| 436 | | 0x920c=>TagInfo.new("SpatialFrequencyResponse",[7],0), |
| 437 | | 0x920d=>TagInfo.new("Noise",[7],0), |
| 438 | | 0x9211=>TagInfo.new("ImageNumber",[4],1), |
| 439 | | 0x9212=>TagInfo.new("SecurityClassification",[2],1), |
| 440 | | 0x9213=>TagInfo.new("ImageHistory",[2],0), |
| 441 | | 0x9214=>TagInfo.new("SubjectLocation",[3],4), |
| 442 | | 0x9215=>TagInfo.new("ExposureIndex",[5],1), |
| 443 | | 0x9216=>TagInfo.new("TIFF_EPStandardID",[1],4), |
| 444 | | 0x927c=>TagInfo.new("MakerNote",[7],0), |
| 445 | | 0x9286=>TagInfo.new("UserComment",[7],0), |
| 446 | | 0x9290=>TagInfo.new("SubSecTime",[2],0), |
| 447 | | 0x9290=>TagInfo.new("SubsecTime",[2],0), |
| 448 | | 0x9291=>TagInfo.new("SubSecTimeOriginal",[2],0), |
| 449 | | 0x9291=>TagInfo.new("SubsecTimeOriginal",[2],0), |
| 450 | | 0x9292=>TagInfo.new("SubSecTimeDigitized",[2],0), |
| 451 | | 0x9292=>TagInfo.new("SubsecTimeDigitized",[2],0), |
| 452 | | 0xa000=>TagInfo.new("FlashPixVersion",[7],4), |
| 453 | | 0xa001=>TagInfo.new("ColorSpace",[3],1), |
| 454 | | 0xa002=>TagInfo.new("ExifImageWidth",[3,9],1), |
| 455 | | 0xa003=>TagInfo.new("ExifImageHeight",[3,9],1), |
| 456 | | 0xa004=>TagInfo.new("RelatedSoundFile",[2],0), |
| 457 | | 0xa005=>TagInfo.new("InteroperabilityIFDPointer",[4],1), |
| 458 | | 0xa20b=>TagInfo.new("FlashEnergy",[5],1), |
| 459 | | 0xa20c=>TagInfo.new("SpatialFrequencyResponse",[3],1), |
| 460 | | 0xa20e=>TagInfo.new("FocalPlaneXResolution",[5],1), |
| 461 | | 0xa20f=>TagInfo.new("FocalPlaneYResolution",[5],1), |
| 462 | | 0xa210=>TagInfo.new("FocalPlaneResolutionUnit",[3],1), |
| 463 | | 0xa214=>TagInfo.new("SubjectLocation",[3],1), |
| 464 | | 0xa215=>TagInfo.new("ExposureIndex",[5],1), |
| 465 | | 0xa217=>TagInfo.new("SensingMethod",[3],1), |
| 466 | | 0xa300=>TagInfo.new("FileSource",[7],1), |
| 467 | | 0xa301=>TagInfo.new("SceneType",[7],1), |
| 468 | | 0xa302=>TagInfo.new("CFAPattern",[7],0) |
| 469 | | } |
| 470 | | TAG_NAME.freeze |
| 471 | | |
| 472 | | DIRENT_SIZE=12 # tag(2bytes)+format(2bytes)+ |
| 473 | | # data_num(4bytes)+data(4bytes) |
| 474 | | |
| 475 | | FORMAT_NAME=[nil, |
| 476 | | 'ubyte', |
| 477 | | 'ascii', |
| 478 | | 'ushort', |
| 479 | | 'ulong', |
| 480 | | 'urational', |
| 481 | | 'byte', |
| 482 | | 'undefined', |
| 483 | | 'short', |
| 484 | | 'long', |
| 485 | | 'rational', |
| 486 | | 'float', |
| 487 | | 'double'] |
| 488 | | FORMAT_NAME.freeze |
| 489 | | |
| 490 | | FORMAT_SIZE=[nil, |
| 491 | | |