| [834] | 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4RTJpegCoder.hh,v 1.6 2006/06/29 21:23:15 gunter Exp $
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| [954] | 28 | // GEANT4 tag $Name: $
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| [834] | 29 | //
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| 30 | //
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| 31 |
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| 32 | // class description:
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| 33 | //
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| 34 | // This class converts 8 bit unsighned ints array to JPEG code.
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| 35 | //
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| 36 |
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| 37 | #ifndef G4RTJpegCoder_H
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| 38 | #define G4RTJpegCoder_H 1
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| 39 | #include "G4RTJpeg.hh"
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| 40 |
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| 41 | //HuffmanTable
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| 42 | struct
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| 43 | G4HuffmanCodeTable
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| 44 | {
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| 45 | int numOfElement;
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| 46 | int* SizeT;
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| 47 | int* CodeT;
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| 48 | };
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| 49 |
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| 50 | class G4OutBitStream;
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| 51 |
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| 52 | class G4JpegCoder
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| 53 | {
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| 54 | public:
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| 55 | G4JpegCoder(u_char* colorR,u_char* colorG,u_char* colorB);
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| 56 | ~G4JpegCoder(void);
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| 57 |
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| 58 | void GetJpegData(char** aJpegData,int& size);
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| 59 |
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| 60 | void SetJpegProperty(const G4JpegProperty& aProperty);
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| 61 |
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| 62 | int DoCoding(void);
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| 63 |
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| 64 |
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| 65 | protected:
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| 66 | u_char* mRgb[3];
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| 67 | int mYBlock[4][64];
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| 68 | int mCbBlock[64];
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| 69 | int mCrBlock[64];
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| 70 | double mCosT[8][8];
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| 71 | int mDCTData[64];
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| 72 | int mPreDC[3];
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| 73 |
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| 74 | G4JpegProperty mProperty;
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| 75 | int mNumVUnits;
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| 76 | int mNumHUnits;
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| 77 |
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| 78 | G4OutBitStream *mOBSP;
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| 79 |
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| 80 | void CodeMCU();
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| 81 |
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| 82 | void makeYCC(int ux,int uy);
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| 83 |
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| 84 | void CodeHuffman(int cs);
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| 85 |
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| 86 | void ForwardDCT(int* picData);
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| 87 |
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| 88 | void Quantization(int cs);
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| 89 |
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| 90 | void WriteHeader(void);
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| 91 | void WriteEOI(void);
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| 92 | };
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| 93 |
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| 94 | const u_int JFIFLength = 16;
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| 95 | const u_int JFIFVersion = 0x0102; //JFIF Ver 1.02
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| 96 | const u_char YSampleF = 0x22;
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| 97 | const u_char CSampleF = 0x11;
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| 98 |
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| 99 | #endif
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