blob: d27c4d00c749381018c4cf89c4b966149c6e9d59 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
#ifndef HAS_LIBEXIF_H
#define HAS_LIBEXIF_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _DLL
#ifdef WIN32
#define EXIF_EXPORT __declspec(dllexport)
#else
#define EXIF_EXPORT
#endif
#else
#define EXIF_EXPORT
#endif
//--------------------------------------------------------------------------
// JPEG markers consist of one or more 0xFF bytes, followed by a marker
// code byte (which is not an FF). Here are the marker codes of interest
// in this application.
//--------------------------------------------------------------------------
#define M_SOF0 0xC0 // Start Of Frame N
#define M_SOF1 0xC1 // N indicates which compression process
#define M_SOF2 0xC2 // Only SOF0-SOF2 are now in common use
#define M_SOF3 0xC3
#define M_SOF5 0xC5 // NB: codes C4 and CC are NOT SOF markers
#define M_SOF6 0xC6
#define M_SOF7 0xC7
#define M_SOF9 0xC9
#define M_SOF10 0xCA
#define M_SOF11 0xCB
#define M_SOF13 0xCD
#define M_SOF14 0xCE
#define M_SOF15 0xCF
#define M_SOI 0xD8 // Start Of Image (beginning of datastream)
#define M_EOI 0xD9 // End Of Image (end of datastream)
#define M_SOS 0xDA // Start Of Scan (begins compressed data)
#define M_JFIF 0xE0 // Jfif marker
#define M_EXIF 0xE1 // Exif marker
#define M_COM 0xFE // COMment
#define M_DQT 0xDB
#define M_DHT 0xC4
#define M_DRI 0xDD
#define M_IPTC 0xED // IPTC marker
#define MAX_IPTC_STRING 256
typedef struct {
char RecordVersion[MAX_IPTC_STRING];
char SupplementalCategories[MAX_IPTC_STRING];
char Keywords[MAX_IPTC_STRING];
char Caption[MAX_IPTC_STRING];
char Author[MAX_IPTC_STRING];
char Headline[MAX_IPTC_STRING];
char SpecialInstructions[MAX_IPTC_STRING];
char Category[MAX_IPTC_STRING];
char Byline[MAX_IPTC_STRING];
char BylineTitle[MAX_IPTC_STRING];
char Credit[MAX_IPTC_STRING];
char Source[MAX_IPTC_STRING];
char CopyrightNotice[MAX_IPTC_STRING];
char ObjectName[MAX_IPTC_STRING];
char City[MAX_IPTC_STRING];
char State[MAX_IPTC_STRING];
char Country[MAX_IPTC_STRING];
char TransmissionReference[MAX_IPTC_STRING];
char Date[MAX_IPTC_STRING];
char Urgency[MAX_IPTC_STRING];
char ReferenceService[MAX_IPTC_STRING];
char CountryCode[MAX_IPTC_STRING];
char TimeCreated[MAX_IPTC_STRING];
char SubLocation[MAX_IPTC_STRING];
char ImageType[MAX_IPTC_STRING];
} IPTCInfo_t;
#define EXIF_COMMENT_CHARSET_CONVERTED -1 // Comments contains converted data
#define EXIF_COMMENT_CHARSET_UNKNOWN 0 // Exif: Unknown
#define EXIF_COMMENT_CHARSET_ASCII 2 // Exif: Ascii
#define EXIF_COMMENT_CHARSET_UNICODE 3 // Exif: Unicode (UTF-16)
#define EXIF_COMMENT_CHARSET_JIS 4 // Exif: JIS X208-1990
#define MAX_COMMENT 2000
#define MAX_DATE_COPIES 10
typedef struct {
char CameraMake [32];
char CameraModel [40];
char DateTime [20];
int Height, Width;
int Orientation;
int IsColor;
int Process;
int FlashUsed;
float FocalLength;
float ExposureTime;
float ApertureFNumber;
float Distance;
float CCDWidth;
float ExposureBias;
float DigitalZoomRatio;
int FocalLength35mmEquiv; // Exif 2.2 tag - usually not present.
int Whitebalance;
int MeteringMode;
int ExposureProgram;
int ExposureMode;
int ISOequivalent;
int LightSource;
int CommentsCharset; // EXIF_COMMENT_CHARSET_*
char Comments[MAX_COMMENT];
char Description[MAX_COMMENT];
unsigned ThumbnailOffset; // Exif offset to thumbnail
unsigned ThumbnailSize; // Size of thumbnail.
unsigned LargestExifOffset; // Last exif data referenced (to check if thumbnail is at end)
char ThumbnailAtEnd; // Exif header ends with the thumbnail
// (we can only modify the thumbnail if its at the end)
int ThumbnailSizeOffset;
int DateTimeOffsets[MAX_DATE_COPIES];
int numDateTimeTags;
int GpsInfoPresent;
char GpsLat[31];
char GpsLong[31];
char GpsAlt[20];
} ExifInfo_t;
EXIF_EXPORT bool process_jpeg(const char *filename, ExifInfo_t *exifInfo, IPTCInfo_t *iptcInfo);
#ifdef __cplusplus
}
#endif
#endif
|
