|  | 
| 
 Data Structures | 
| struct | exif_parser | 
| struct | ExifData | 
| 
 Defines | 
| #define | EXIF_InteroperabilityIndex   0x1 | 
| #define | EXIF_InteroperabilityVersion   0x2 | 
| #define | EXIF_RelatedImageFileFormat   0x1000 | 
| #define | EXIF_RelatedImageWidth   0x1001 | 
| #define | EXIF_RelatedImageLength   0x1002 | 
| #define | EXIF_NewSubFileType   0xFE | 
| #define | EXIF_ImageWidth   0x100 | 
| #define | EXIF_ImageLength   0x101 | 
| #define | EXIF_BitsPerSample   0x102 | 
| #define | EXIF_Compression   0x103 | 
| #define | EXIF_PhotometricInterpretation   0x106 | 
| #define | EXIF_FillOrder   0x10A | 
| #define | EXIF_DocumentName   0x10D | 
| #define | EXIF_ImageDescription   0x10E | 
| #define | EXIF_Make   0x10F | 
| #define | EXIF_Model   0x110 | 
| #define | EXIF_StripOffsets   0x111 | 
| #define | EXIF_Orientation   0x112 | 
| #define | EXIF_SamplesPerPixel   0x115 | 
| #define | EXIF_RowsPerStrip   0x116 | 
| #define | EXIF_StripByteCounts   0x117 | 
| #define | EXIF_XResolution   0x11A | 
| #define | EXIF_YResolution   0x11B | 
| #define | EXIF_PlanarConfiguration   0x11C | 
| #define | EXIF_ResolutionUnit   0x128 | 
| #define | EXIF_TransferFunction   0x12D | 
| #define | EXIF_Software   0x131 | 
| #define | EXIF_DateTime   0x132 | 
| #define | EXIF_Artist   0x13B | 
| #define | EXIF_WhitePoint   0x13E | 
| #define | EXIF_PrimaryChromaticities   0x13F | 
| #define | EXIF_TransferRange   0x156 | 
| #define | EXIF_JPEGProc   0x200 | 
| #define | EXIF_JPEGInterchangeFormat   0x201 | 
| #define | EXIF_JPEGInterchangeFormatLength   0x202 | 
| #define | EXIF_YCbCrCoefficients   0x211 | 
| #define | EXIF_YCbCrSubSampling   0x212 | 
| #define | EXIF_YCbCrPositioning   0x213 | 
| #define | EXIF_ReferenceBlackWhite   0x214 | 
| #define | EXIF_CFARepeatPatternDim   0x828D | 
| #define | EXIF_CFAPattern   0x828E | 
| #define | EXIF_BatteryLevel   0x828F | 
| #define | EXIF_Copyright   0x8298 | 
| #define | EXIF_ExposureTime   0x829A | 
| #define | EXIF_FNumber   0x829D | 
| #define | EXIF_IPTC_NAA   0x83BB | 
| #define | EXIF_ExifOffset   0x8769 | 
| #define | EXIF_InterColorProfile   0x8773 | 
| #define | EXIF_ExposureProgram   0x8822 | 
| #define | EXIF_SpectralSensitivity   0x8824 | 
| #define | EXIF_GPSInfo   0x8825 | 
| #define | EXIF_ISOSpeedRatings   0x8827 | 
| #define | EXIF_OECF   0x8828 | 
| #define | EXIF_ExifVersion   0x9000 | 
| #define | EXIF_DateTimeOriginal   0x9003 | 
| #define | EXIF_DateTimeDigitized   0x9004 | 
| #define | EXIF_ComponentsConfiguration   0x9101 | 
| #define | EXIF_CompressedBitsPerPixel   0x9102 | 
| #define | EXIF_ShutterSpeedValue   0x9201 | 
| #define | EXIF_ApertureValue   0x9202 | 
| #define | EXIF_BrightnessValue   0x9203 | 
| #define | EXIF_ExposureBiasValue   0x9204 | 
| #define | EXIF_MaxApertureValue   0x9205 | 
| #define | EXIF_SubjectDistance   0x9206 | 
| #define | EXIF_MeteringMode   0x9207 | 
| #define | EXIF_LightSource   0x9208 | 
| #define | EXIF_Flash   0x9209 | 
| #define | EXIF_FocalLength   0x920A | 
| #define | EXIF_MakerNote   0x927C | 
| #define | EXIF_UserComment   0x9286 | 
| #define | EXIF_SubSecTime   0x9290 | 
| #define | EXIF_SubSecTimeOriginal   0x9291 | 
| #define | EXIF_SubSecTimeDigitized   0x9292 | 
| #define | EXIF_FlashPixVersion   0xA000 | 
| #define | EXIF_ColorSpace   0xA001 | 
| #define | EXIF_ExifImageWidth   0xA002 | 
| #define | EXIF_ExifImageLength   0xA003 | 
| #define | EXIF_InteroperabilityOffset   0xA005 | 
| #define | EXIF_FlashEnergy   0xA20B | 
| #define | EXIF_SpatialFrequencyResponse   0xA20C | 
| #define | EXIF_FocalPlaneXResolution   0xA20E | 
| #define | EXIF_FocalPlaneYResolution   0xA20F | 
| #define | EXIF_FocalPlaneResolutionUnit   0xA210 | 
| #define | EXIF_SubjectLocation   0xA214 | 
| #define | EXIF_ExposureIndex   0xA215 | 
| #define | EXIF_SensingMethod   0xA217 | 
| #define | EXIF_FileSource   0xA300 | 
| #define | EXIF_SceneType   0xA301 | 
| 
 Typedefs | 
| typedef struct exif_parser | exifparser | 
| 
 Enumerations | 
| enum | EXIFDataType { EXIF_NOTYPE =  0, 
EXIF_BYTE =  1, 
EXIF_ASCII =  2, 
EXIF_SHORT =  3,
 EXIF_LONG =  4, 
EXIF_RATIONAL =  5, 
EXIF_SBYTE =  6, 
EXIF_UNDEFINED =  7,
 EXIF_SSHORT =  8, 
EXIF_SLONG =  9, 
EXIF_SRATIONAL =  10, 
EXIF_FLOAT =  11,
 EXIF_DOUBLE =  12
 }
 | 
| 
 Functions | 
| unsigned char * | gpi_exif_get_thumbnail_and_size (exifparser *exifdat, long *size) | 
| int | gpi_exif_stat (exifparser *exifdata) | 
EXIF file format support library. This API allows to parse, read and modify EXIF data structures. It provides a low-level API which allows to manipulate EXIF tags in a generic way, and a higher-level API which provides more advanced functions such as comment editing, thumbnail extraction, etc.
In the future, vendor-proprietary exif extensions might be supported.