Gabriele Cosmo
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4RTJpegCoder.hh,v 1.5 2001/07/11 10:09:01 gunter Exp $
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// GEANT4 tag $Name: geant4-07-00-cand-01 $
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//
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//
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// class description:
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//
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// This class converts 8 bit unsighned ints array to JPEG code.
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//
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#ifndef G4RTJpegCoder_H
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#define G4RTJpegCoder_H 1
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#include "G4RTJpeg.hh"
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//HuffmanTable
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struct
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G4HuffmanCodeTable
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{
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int numOfElement;
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int* SizeT;
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int* CodeT;
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};
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class G4OutBitStream;
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class G4JpegCoder
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{
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public:
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G4JpegCoder(u_char* colorR,u_char* colorG,u_char* colorB);
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~G4JpegCoder(void);
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void GetJpegData(char** aJpegData,int& size);
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void SetJpegProperty(const G4JpegProperty& aProperty);
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int DoCoding(void);
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protected:
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u_char* mRgb[3];
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int mYBlock[4][64];
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int mCbBlock[64];
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int mCrBlock[64];
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double mCosT[8][8];
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int mDCTData[64];
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int mPreDC[3];
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G4JpegProperty mProperty;
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int mNumVUnits;
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int mNumHUnits;
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G4OutBitStream *mOBSP;
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void CodeMCU();
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void makeYCC(int ux,int uy);
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void CodeHuffman(int cs);
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void ForwardDCT(int* picData);
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void Quantization(int cs);
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void WriteHeader(void);
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void WriteEOI(void);
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};
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const u_int JFIFLength = 16;
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const u_int JFIFVersion = 0x0102; //JFIF Ver 1.02
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const u_char YSampleF = 0x22;
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const u_char CSampleF = 0x11;
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#endif
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