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G4RTJpegCoder.hh
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27 // $Id: G4RTJpegCoder.hh 66373 2012-12-18 09:41:34Z gcosmo $
28 //
29 //
30 
31 // class description:
32 //
33 // This class converts 8 bit unsighned ints array to JPEG code.
34 //
35 
36 #ifndef G4RTJpegCoder_H
37 #define G4RTJpegCoder_H 1
38 #include "G4RTJpeg.hh"
39 
40 //HuffmanTable
41 struct
43 {
45  int* SizeT;
46  int* CodeT;
47 };
48 
49 class G4OutBitStream;
50 
52 {
53  public:
54  G4JpegCoder(u_char* colorR,u_char* colorG,u_char* colorB);
55  ~G4JpegCoder(void);
56 
57  void GetJpegData(char** aJpegData,int& size);
58 
59  void SetJpegProperty(const G4JpegProperty& aProperty);
60 
61  int DoCoding(void);
62 
63 
64  protected:
65  u_char* mRgb[3];
66  int mYBlock[4][64];
67  int mCbBlock[64];
68  int mCrBlock[64];
69  double mCosT[8][8];
70  int mDCTData[64];
71  int mPreDC[3];
72 
76 
78 
79  void CodeMCU();
80 
81  void makeYCC(int ux,int uy);
82 
83  void CodeHuffman(int cs);
84 
85  void ForwardDCT(int* picData);
86 
87  void Quantization(int cs);
88 
89  void WriteHeader(void);
90  void WriteEOI(void);
91 };
92 
93 const u_int JFIFLength = 16;
94 const u_int JFIFVersion = 0x0102; //JFIF Ver 1.02
95 const u_char YSampleF = 0x22;
96 const u_char CSampleF = 0x11;
97 
98 #endif
const u_int JFIFLength
int mCrBlock[64]
u_char * mRgb[3]
void CodeHuffman(int cs)
unsigned char u_char
Definition: G4RTJpeg.hh:40
G4JpegCoder(u_char *colorR, u_char *colorG, u_char *colorB)
unsigned int u_int
Definition: G4RTJpeg.hh:41
int mDCTData[64]
int DoCoding(void)
void ForwardDCT(int *picData)
void GetJpegData(char **aJpegData, int &size)
void Quantization(int cs)
void SetJpegProperty(const G4JpegProperty &aProperty)
const u_char CSampleF
G4JpegProperty mProperty
const u_int JFIFVersion
void WriteHeader(void)
~G4JpegCoder(void)
void WriteEOI(void)
int mYBlock[4][64]
double mCosT[8][8]
int mCbBlock[64]
void makeYCC(int ux, int uy)
G4OutBitStream * mOBSP
const u_char YSampleF