236 lines
9.1 KiB
C
236 lines
9.1 KiB
C
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/******************************************************************************
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* $Id: gdalexif.h 33175 2016-01-27 00:37:49Z goatbar $
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*
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* Project: JPEG JFIF Driver
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* Purpose: Implement GDAL JPEG Support based on IJG libjpeg.
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* Author: Frank Warmerdam, warmerdam@pobox.com
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*
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******************************************************************************
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* Copyright (c) 2000, Frank Warmerdam
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#ifdef RENAME_INTERNAL_LIBTIFF_SYMBOLS
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#include "../frmts/gtiff/libtiff/gdal_libtiff_symbol_rename.h"
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#endif
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static const struct gpsname {
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GUInt16 tag;
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const char* name;
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} gpstags [] = {
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{ 0x00, "EXIF_GPSVersionID" },
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{ 0x01, "EXIF_GPSLatitudeRef" },
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{ 0x02, "EXIF_GPSLatitude" },
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{ 0x03, "EXIF_GPSLongitudeRef" },
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{ 0x04, "EXIF_GPSLongitude" },
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{ 0x05, "EXIF_GPSAltitudeRef" },
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{ 0x06, "EXIF_GPSAltitude" },
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{ 0x07, "EXIF_GPSTimeStamp" },
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{ 0x08, "EXIF_GPSSatellites" },
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{ 0x09, "EXIF_GPSStatus" },
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{ 0x0a, "EXIF_GPSMeasureMode" },
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{ 0x0b, "EXIF_GPSDOP" },
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{ 0x0c, "EXIF_GPSSpeedRef"},
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{ 0x0d, "EXIF_GPSSpeed"},
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{ 0x0e, "EXIF_GPSTrackRef"},
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{ 0x0f, "EXIF_GPSTrack"},
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{ 0x10, "EXIF_GPSImgDirectionRef"},
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{ 0x11, "EXIF_GPSImgDirection"},
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{ 0x12, "EXIF_GPSMapDatum"},
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{ 0x13, "EXIF_GPSDestLatitudeRef"},
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{ 0x14, "EXIF_GPSDestLatitude"},
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{ 0x15, "EXIF_GPSDestLongitudeRef"},
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{ 0x16, "EXIF_GPSDestLongitude"},
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{ 0x17, "EXIF_GPSDestBearingRef"},
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{ 0x18, "EXIF_GPSDestBearing"},
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{ 0x19, "EXIF_GPSDestDistanceRef"},
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{ 0x1a, "EXIF_GPSDestDistance"},
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{ 0x1b, "EXIF_GPSProcessingMethod"},
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{ 0x1c, "EXIF_GPSAreaInformation"},
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{ 0x1d, "EXIF_GPSDateStamp"},
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{ 0x1e, "EXIF_GPSDifferential"},
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{ 0xffff, ""}
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};
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static const struct tagname {
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GUInt16 tag;
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const char* name;
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} tagnames [] = {
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// { 0x100, "EXIF_Image_Width"},
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// { 0x101, "EXIF_Image_Length"},
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{ 0x102, "EXIF_BitsPerSample"},
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{ 0x103, "EXIF_Compression"},
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{ 0x106, "EXIF_PhotometricInterpretation"},
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{ 0x10A, "EXIF_Fill_Order"},
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{ 0x10D, "EXIF_Document_Name"},
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{ 0x10E, "EXIF_ImageDescription"},
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{ 0x10F, "EXIF_Make"},
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{ 0x110, "EXIF_Model"},
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{ 0x111, "EXIF_StripOffsets"},
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{ 0x112, "EXIF_Orientation"},
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{ 0x115, "EXIF_SamplesPerPixel"},
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{ 0x116, "EXIF_RowsPerStrip"},
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{ 0x117, "EXIF_StripByteCounts"},
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{ 0x11A, "EXIF_XResolution"},
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{ 0x11B, "EXIF_YResolution"},
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{ 0x11C, "EXIF_PlanarConfiguration"},
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{ 0x128, "EXIF_ResolutionUnit"},
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{ 0x12D, "EXIF_TransferFunction"},
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{ 0x131, "EXIF_Software"},
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{ 0x132, "EXIF_DateTime"},
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{ 0x13B, "EXIF_Artist"},
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{ 0x13E, "EXIF_WhitePoint"},
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{ 0x13F, "EXIF_PrimaryChromaticities"},
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{ 0x156, "EXIF_Transfer_Range"},
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{ 0x200, "EXIF_JPEG_Proc"},
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{ 0x201, "EXIF_JPEGInterchangeFormat"},
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{ 0x202, "EXIF_JPEGInterchangeFormatLength"},
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{ 0x211, "EXIF_YCbCrCoefficients"},
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{ 0x212, "EXIF_YCbCrSubSampling"},
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{ 0x213, "EXIF_YCbCrPositioning"},
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{ 0x214, "EXIF_ReferenceBlackWhite"},
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{ 0x828D, "EXIF_CFA_Repeat_Pattern_Dim"},
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{ 0x828E, "EXIF_CFA_Pattern"},
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{ 0x828F, "EXIF_Battery_Level"},
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{ 0x8298, "EXIF_Copyright"},
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{ 0x829A, "EXIF_ExposureTime"},
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{ 0x829D, "EXIF_FNumber"},
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{ 0x83BB, "EXIF_IPTC/NAA"},
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// { 0x8769, "EXIF_Offset"},
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{ 0x8773, "EXIF_Inter_Color_Profile"},
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{ 0x8822, "EXIF_ExposureProgram"},
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{ 0x8824, "EXIF_SpectralSensitivity"},
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// { 0x8825, "EXIF_GPSOffset"},
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{ 0x8827, "EXIF_ISOSpeedRatings"},
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{ 0x8828, "EXIF_OECF"},
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{ 0x9000, "EXIF_ExifVersion"},
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{ 0x9003, "EXIF_DateTimeOriginal"},
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{ 0x9004, "EXIF_DateTimeDigitized"},
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{ 0x9101, "EXIF_ComponentsConfiguration"},
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{ 0x9102, "EXIF_CompressedBitsPerPixel"},
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{ 0x9201, "EXIF_ShutterSpeedValue"},
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{ 0x9202, "EXIF_ApertureValue"},
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{ 0x9203, "EXIF_BrightnessValue"},
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{ 0x9204, "EXIF_ExposureBiasValue"},
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{ 0x9205, "EXIF_MaxApertureValue"},
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{ 0x9206, "EXIF_SubjectDistance"},
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{ 0x9207, "EXIF_MeteringMode"},
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{ 0x9208, "EXIF_LightSource"},
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{ 0x9209, "EXIF_Flash"},
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{ 0x920A, "EXIF_FocalLength"},
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{ 0x9214, "EXIF_SubjectArea"},
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{ 0x927C, "EXIF_MakerNote"},
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{ 0x9286, "EXIF_UserComment"},
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{ 0x9290, "EXIF_SubSecTime"},
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{ 0x9291, "EXIF_SubSecTime_Original"},
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{ 0x9292, "EXIF_SubSecTime_Digitized"},
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{ 0xA000, "EXIF_FlashpixVersion"},
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{ 0xA001, "EXIF_ColorSpace"},
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{ 0xA002, "EXIF_PixelXDimension"},
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{ 0xA003, "EXIF_PixelYDimension"},
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{ 0xA004, "EXIF_RelatedSoundFile"},
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// { 0xA005, "EXIF_InteroperabilityOffset"},
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{ 0xA20B, "EXIF_FlashEnergy"}, // 0x920B in TIFF/EP
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{ 0xA20C, "EXIF_SpatialFrequencyResponse"}, // 0x920C - -
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{ 0xA20E, "EXIF_FocalPlaneXResolution"}, // 0x920E - -
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{ 0xA20F, "EXIF_FocalPlaneYResolution"}, // 0x920F - -
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{ 0xA210, "EXIF_FocalPlaneResolutionUnit"}, // 0x9210 - -
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{ 0xA214, "EXIF_SubjectLocation"}, // 0x9214 - -
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{ 0xA215, "EXIF_ExposureIndex"}, // 0x9215 - -
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{ 0xA217, "EXIF_SensingMethod"}, // 0x9217 - -
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{ 0xA300, "EXIF_FileSource"},
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{ 0xA301, "EXIF_SceneType"},
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{ 0xA302, "EXIF_CFAPattern"},
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{ 0xA401, "EXIF_CustomRendered"},
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{ 0xA402, "EXIF_ExposureMode"},
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{ 0XA403, "EXIF_WhiteBalance"},
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{ 0xA404, "EXIF_DigitalZoomRatio"},
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{ 0xA405, "EXIF_FocalLengthIn35mmFilm"},
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{ 0xA406, "EXIF_SceneCaptureType"},
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{ 0xA407, "EXIF_GainControl"},
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{ 0xA408, "EXIF_Contrast"},
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{ 0xA409, "EXIF_Saturation"},
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{ 0xA40A, "EXIF_Sharpness"},
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{ 0xA40B, "EXIF_DeviceSettingDescription"},
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{ 0xA40C, "EXIF_SubjectDistanceRange"},
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{ 0xA420, "EXIF_ImageUniqueID"},
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{ 0x0000, ""}
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};
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static const struct intr_tag {
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GInt16 tag;
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const char* name;
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} intr_tags [] = {
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{ 0x1, "EXIF_Interoperability_Index"},
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{ 0x2, "EXIF_Interoperability_Version"},
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{ 0x1000, "EXIF_Related_Image_File_Format"},
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{ 0x1001, "EXIF_Related_Image_Width"},
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{ 0x1002, "EXIF_Related_Image_Length"},
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{ 0x0000, ""}
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};
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typedef enum {
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TIFF_NOTYPE = 0, /* placeholder */
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TIFF_BYTE = 1, /* 8-bit unsigned integer */
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TIFF_ASCII = 2, /* 8-bit bytes w/ last byte null */
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TIFF_SHORT = 3, /* 16-bit unsigned integer */
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TIFF_LONG = 4, /* 32-bit unsigned integer */
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TIFF_RATIONAL = 5, /* 64-bit unsigned fraction */
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TIFF_SBYTE = 6, /* !8-bit signed integer */
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TIFF_UNDEFINED = 7, /* !8-bit untyped data */
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TIFF_SSHORT = 8, /* !16-bit signed integer */
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TIFF_SLONG = 9, /* !32-bit signed integer */
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TIFF_SRATIONAL = 10, /* !64-bit signed fraction */
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TIFF_FLOAT = 11, /* !32-bit IEEE floating point */
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TIFF_DOUBLE = 12, /* !64-bit IEEE floating point */
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TIFF_IFD = 13 /* %32-bit unsigned integer (offset) */
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} GDALEXIFTIFFDataType;
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/*
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* TIFF Image File Directories are comprised of a table of field
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* descriptors of the form shown below. The table is sorted in
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* ascending order by tag. The values associated with each entry are
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* disjoint and may appear anywhere in the file (so long as they are
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* placed on a word boundary).
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*
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* If the value is 4 bytes or less, then it is placed in the offset
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* field to save space. If the value is less than 4 bytes, it is
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* left-justified in the offset field.
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*/
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typedef struct {
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GUInt16 tdir_tag; /* see below */
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GUInt16 tdir_type; /* data type; see below */
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GUInt32 tdir_count; /* number of items; length in spec */
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GUInt32 tdir_offset; /* byte offset to field data */
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} GDALEXIFTIFFDirEntry;
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CPL_C_START
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extern int TIFFDataWidth(GDALEXIFTIFFDataType); /* table of tag datatype widths */
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extern void TIFFSwabShort(GUInt16*);
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extern void TIFFSwabLong(GUInt32*);
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extern void TIFFSwabDouble(double*);
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extern void TIFFSwabArrayOfShort(GUInt16*, unsigned long);
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extern void TIFFSwabArrayOfLong(GUInt32*, unsigned long);
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extern void TIFFSwabArrayOfDouble(double*, unsigned long);
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CPL_C_END
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