GDAL
gdalexif.h
1 /******************************************************************************
2  * $Id: gdalexif.h 35883 2016-10-24 05:49:15Z goatbar $
3  *
4  * Project: JPEG JFIF Driver
5  * Purpose: Implement GDAL JPEG Support based on IJG libjpeg.
6  * Author: Frank Warmerdam, warmerdam@pobox.com
7  *
8  ******************************************************************************
9  * Copyright (c) 2000, Frank Warmerdam
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27  * DEALINGS IN THE SOFTWARE.
28  ****************************************************************************/
29 
31 
32 #ifdef RENAME_INTERNAL_LIBTIFF_SYMBOLS
33 #include "../frmts/gtiff/libtiff/gdal_libtiff_symbol_rename.h"
34 #endif
35 
36 static const struct gpsname {
37  GUInt16 tag;
38  const char* name;
39 } gpstags [] = {
40  { 0x00, "EXIF_GPSVersionID" },
41  { 0x01, "EXIF_GPSLatitudeRef" },
42  { 0x02, "EXIF_GPSLatitude" },
43  { 0x03, "EXIF_GPSLongitudeRef" },
44  { 0x04, "EXIF_GPSLongitude" },
45  { 0x05, "EXIF_GPSAltitudeRef" },
46  { 0x06, "EXIF_GPSAltitude" },
47  { 0x07, "EXIF_GPSTimeStamp" },
48  { 0x08, "EXIF_GPSSatellites" },
49  { 0x09, "EXIF_GPSStatus" },
50  { 0x0a, "EXIF_GPSMeasureMode" },
51  { 0x0b, "EXIF_GPSDOP" },
52  { 0x0c, "EXIF_GPSSpeedRef"},
53  { 0x0d, "EXIF_GPSSpeed"},
54  { 0x0e, "EXIF_GPSTrackRef"},
55  { 0x0f, "EXIF_GPSTrack"},
56  { 0x10, "EXIF_GPSImgDirectionRef"},
57  { 0x11, "EXIF_GPSImgDirection"},
58  { 0x12, "EXIF_GPSMapDatum"},
59  { 0x13, "EXIF_GPSDestLatitudeRef"},
60  { 0x14, "EXIF_GPSDestLatitude"},
61  { 0x15, "EXIF_GPSDestLongitudeRef"},
62  { 0x16, "EXIF_GPSDestLongitude"},
63  { 0x17, "EXIF_GPSDestBearingRef"},
64  { 0x18, "EXIF_GPSDestBearing"},
65  { 0x19, "EXIF_GPSDestDistanceRef"},
66  { 0x1a, "EXIF_GPSDestDistance"},
67  { 0x1b, "EXIF_GPSProcessingMethod"},
68  { 0x1c, "EXIF_GPSAreaInformation"},
69  { 0x1d, "EXIF_GPSDateStamp"},
70  { 0x1e, "EXIF_GPSDifferential"},
71  { 0xffff, ""}
72 };
73 
74 static const struct tagname {
75  GUInt16 tag;
76  const char* name;
77 } tagnames [] = {
78  //{ 0x100, "EXIF_Image_Width"},
79  // { 0x101, "EXIF_Image_Length"},
80  { 0x102, "EXIF_BitsPerSample"},
81  { 0x103, "EXIF_Compression"},
82  { 0x106, "EXIF_PhotometricInterpretation"},
83  { 0x10A, "EXIF_Fill_Order"},
84  { 0x10D, "EXIF_Document_Name"},
85  { 0x10E, "EXIF_ImageDescription"},
86  { 0x10F, "EXIF_Make"},
87  { 0x110, "EXIF_Model"},
88  { 0x111, "EXIF_StripOffsets"},
89  { 0x112, "EXIF_Orientation"},
90  { 0x115, "EXIF_SamplesPerPixel"},
91  { 0x116, "EXIF_RowsPerStrip"},
92  { 0x117, "EXIF_StripByteCounts"},
93  { 0x11A, "EXIF_XResolution"},
94  { 0x11B, "EXIF_YResolution"},
95  { 0x11C, "EXIF_PlanarConfiguration"},
96  { 0x128, "EXIF_ResolutionUnit"},
97  { 0x12D, "EXIF_TransferFunction"},
98  { 0x131, "EXIF_Software"},
99  { 0x132, "EXIF_DateTime"},
100  { 0x13B, "EXIF_Artist"},
101  { 0x13E, "EXIF_WhitePoint"},
102  { 0x13F, "EXIF_PrimaryChromaticities"},
103  { 0x156, "EXIF_Transfer_Range"},
104  { 0x200, "EXIF_JPEG_Proc"},
105  { 0x201, "EXIF_JPEGInterchangeFormat"},
106  { 0x202, "EXIF_JPEGInterchangeFormatLength"},
107  { 0x211, "EXIF_YCbCrCoefficients"},
108  { 0x212, "EXIF_YCbCrSubSampling"},
109  { 0x213, "EXIF_YCbCrPositioning"},
110  { 0x214, "EXIF_ReferenceBlackWhite"},
111  { 0x828D, "EXIF_CFA_Repeat_Pattern_Dim"},
112  { 0x828E, "EXIF_CFA_Pattern"},
113  { 0x828F, "EXIF_Battery_Level"},
114  { 0x8298, "EXIF_Copyright"},
115  { 0x829A, "EXIF_ExposureTime"},
116  { 0x829D, "EXIF_FNumber"},
117  { 0x83BB, "EXIF_IPTC/NAA"},
118  // { 0x8769, "EXIF_Offset"},
119  { 0x8773, "EXIF_Inter_Color_Profile"},
120  { 0x8822, "EXIF_ExposureProgram"},
121  { 0x8824, "EXIF_SpectralSensitivity"},
122  // { 0x8825, "EXIF_GPSOffset"},
123  { 0x8827, "EXIF_ISOSpeedRatings"},
124  { 0x8828, "EXIF_OECF"},
125  { 0x9000, "EXIF_ExifVersion"},
126  { 0x9003, "EXIF_DateTimeOriginal"},
127  { 0x9004, "EXIF_DateTimeDigitized"},
128  { 0x9101, "EXIF_ComponentsConfiguration"},
129  { 0x9102, "EXIF_CompressedBitsPerPixel"},
130  { 0x9201, "EXIF_ShutterSpeedValue"},
131  { 0x9202, "EXIF_ApertureValue"},
132  { 0x9203, "EXIF_BrightnessValue"},
133  { 0x9204, "EXIF_ExposureBiasValue"},
134  { 0x9205, "EXIF_MaxApertureValue"},
135  { 0x9206, "EXIF_SubjectDistance"},
136  { 0x9207, "EXIF_MeteringMode"},
137  { 0x9208, "EXIF_LightSource"},
138  { 0x9209, "EXIF_Flash"},
139  { 0x920A, "EXIF_FocalLength"},
140  { 0x9214, "EXIF_SubjectArea"},
141  { 0x927C, "EXIF_MakerNote"},
142  { 0x9286, "EXIF_UserComment"},
143  { 0x9290, "EXIF_SubSecTime"},
144  { 0x9291, "EXIF_SubSecTime_Original"},
145  { 0x9292, "EXIF_SubSecTime_Digitized"},
146  { 0xA000, "EXIF_FlashpixVersion"},
147  { 0xA001, "EXIF_ColorSpace"},
148  { 0xA002, "EXIF_PixelXDimension"},
149  { 0xA003, "EXIF_PixelYDimension"},
150  { 0xA004, "EXIF_RelatedSoundFile"},
151  // { 0xA005, "EXIF_InteroperabilityOffset"},
152  { 0xA20B, "EXIF_FlashEnergy"}, // 0x920B in TIFF/EP
153  { 0xA20C, "EXIF_SpatialFrequencyResponse"}, // 0x920C - -
154  { 0xA20E, "EXIF_FocalPlaneXResolution"}, // 0x920E - -
155  { 0xA20F, "EXIF_FocalPlaneYResolution"}, // 0x920F - -
156  { 0xA210, "EXIF_FocalPlaneResolutionUnit"}, // 0x9210 - -
157  { 0xA214, "EXIF_SubjectLocation"}, // 0x9214 - -
158  { 0xA215, "EXIF_ExposureIndex"}, // 0x9215 - -
159  { 0xA217, "EXIF_SensingMethod"}, // 0x9217 - -
160  { 0xA300, "EXIF_FileSource"},
161  { 0xA301, "EXIF_SceneType"},
162  { 0xA302, "EXIF_CFAPattern"},
163  { 0xA401, "EXIF_CustomRendered"},
164  { 0xA402, "EXIF_ExposureMode"},
165  { 0XA403, "EXIF_WhiteBalance"},
166  { 0xA404, "EXIF_DigitalZoomRatio"},
167  { 0xA405, "EXIF_FocalLengthIn35mmFilm"},
168  { 0xA406, "EXIF_SceneCaptureType"},
169  { 0xA407, "EXIF_GainControl"},
170  { 0xA408, "EXIF_Contrast"},
171  { 0xA409, "EXIF_Saturation"},
172  { 0xA40A, "EXIF_Sharpness"},
173  { 0xA40B, "EXIF_DeviceSettingDescription"},
174  { 0xA40C, "EXIF_SubjectDistanceRange"},
175  { 0xA420, "EXIF_ImageUniqueID"},
176  { 0x0000, ""}
177 };
178 
179 static const struct intr_tag {
180  GInt16 tag;
181  const char* name;
182 } intr_tags [] = {
183 
184  { 0x1, "EXIF_Interoperability_Index"},
185  { 0x2, "EXIF_Interoperability_Version"},
186  { 0x1000, "EXIF_Related_Image_File_Format"},
187  { 0x1001, "EXIF_Related_Image_Width"},
188  { 0x1002, "EXIF_Related_Image_Length"},
189  { 0x0000, ""}
190 };
191 
192 typedef enum {
193  TIFF_NOTYPE = 0, /* placeholder */
194  TIFF_BYTE = 1, /* 8-bit unsigned integer */
195  TIFF_ASCII = 2, /* 8-bit bytes w/ last byte null */
196  TIFF_SHORT = 3, /* 16-bit unsigned integer */
197  TIFF_LONG = 4, /* 32-bit unsigned integer */
198  TIFF_RATIONAL = 5, /* 64-bit unsigned fraction */
199  TIFF_SBYTE = 6, /* !8-bit signed integer */
200  TIFF_UNDEFINED = 7, /* !8-bit untyped data */
201  TIFF_SSHORT = 8, /* !16-bit signed integer */
202  TIFF_SLONG = 9, /* !32-bit signed integer */
203  TIFF_SRATIONAL = 10, /* !64-bit signed fraction */
204  TIFF_FLOAT = 11, /* !32-bit IEEE floating point */
205  TIFF_DOUBLE = 12, /* !64-bit IEEE floating point */
206  TIFF_IFD = 13 /* %32-bit unsigned integer (offset) */
207 } GDALEXIFTIFFDataType;
208 
209 /*
210  * TIFF Image File Directories are comprised of a table of field
211  * descriptors of the form shown below. The table is sorted in
212  * ascending order by tag. The values associated with each entry are
213  * disjoint and may appear anywhere in the file (so long as they are
214  * placed on a word boundary).
215  *
216  * If the value is 4 bytes or less, then it is placed in the offset
217  * field to save space. If the value is less than 4 bytes, it is
218  * left-justified in the offset field.
219  */
220 typedef struct {
221  GUInt16 tdir_tag; /* see below */
222  GUInt16 tdir_type; /* data type; see below */
223  GUInt32 tdir_count; /* number of items; length in spec */
224  GUInt32 tdir_offset; /* byte offset to field data */
225 } GDALEXIFTIFFDirEntry;
226 
228 /* Table of tag datatype widths. */
229 extern int TIFFDataWidth(GDALEXIFTIFFDataType);
230 extern void TIFFSwabShort(GUInt16*);
231 extern void TIFFSwabLong(GUInt32*);
232 extern void TIFFSwabDouble(double*);
233 extern void TIFFSwabArrayOfShort(GUInt16*, unsigned long);
234 extern void TIFFSwabArrayOfLong(GUInt32*, unsigned long);
235 extern void TIFFSwabArrayOfDouble(double*, unsigned long);
236 CPL_C_END
237 
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:352
unsigned int GUInt32
Unsigned int32 type.
Definition: cpl_port.h:199
short GInt16
Int16 type.
Definition: cpl_port.h:203
unsigned short GUInt16
Unsigned int16 type.
Definition: cpl_port.h:205
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:354

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