Gabriele Cosmo
70 lines
2.5 KiB
C++
70 lines
2.5 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: G4RTOutBitStream.hh,v 1.6 2001/07/11 10:09:02 gunter Exp $
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// GEANT4 tag $Name: geant4-05-02 $
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//
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//
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// class description:
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//
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// This class represents a line of JPEG code. This class must be used exclusively
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// by G4RTJpegCoder.
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//
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#ifndef G4RTOutBitStream_H
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#define G4RTOutBitStream_H 1
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#include "G4RTJpeg.hh"
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static const u_char BitFullMaskT[8] = {0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f
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, 0xff};
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class G4OutBitStream
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{
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public:
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G4OutBitStream(int size);
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void SetBits(int v, int numBits);
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void SetByte(u_char dat);
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void SetWord(u_int dat);
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void CopyByte(const char* src, int n);
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u_char* GetStreamAddress(void){return mHeadOfBuf;};
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int GetStreamSize(void){return mBuf - mHeadOfBuf;};
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protected:
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u_char* mHeadOfBuf;
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u_char* mBuf;
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u_char* mEndOfBuf;
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int mBitPos;
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int mWriteFlag;
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void IncBuf(void);
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void FullBit(void);
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void Set8Bits(u_char v, int numBits);
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void SetFewBits(u_char v, int numBits);
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void SetBits2Byte(u_char v, int numBits);
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};
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#endif
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