blob: 11d2ca62f3755c9cd847985941533fda3c9a1ce9 (
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
|
#pragma once
#include "ExifParse.h"
#include "IptcParse.h"
#include <stdio.h>
//--------------------------------------------------------------------------
// 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
namespace XFILE
{
class CFile;
}
class CJpegParse
{
public:
CJpegParse();
~CJpegParse(void) = default;
bool Process(const char *picFileName);
const ExifInfo_t* GetExifInfo() const { return &m_ExifInfo; }
const IPTCInfo_t* GetIptcInfo() const { return &m_IPTCInfo; }
private:
bool ExtractInfo(XFILE::CFile& infile);
bool GetSection(XFILE::CFile& infile, const unsigned short sectionLength);
void ReleaseSection(void);
void ProcessSOFn(void);
unsigned char* m_SectionBuffer;
ExifInfo_t m_ExifInfo;
IPTCInfo_t m_IPTCInfo;
};
|