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#ifndef EncodeBuffer_H
#define EncodeBuffer_H
class IntCache;
class CharCache;
class PixelCache;
class HuffmanCoder;
class EncodeBuffer
{
public:
EncodeBuffer();
~EncodeBuffer();
void reset();
void encodeValue(unsigned int value, unsigned int numBits,
unsigned int blockSize = 0);
void encodeCachedValue(unsigned int value, unsigned int numBits,
IntCache & cache, unsigned int blockSize = 0);
void encodeCachedValue(unsigned char value, unsigned int numBits,
CharCache & cache, unsigned int blockSize = 0);
void encodeCachedValue(unsigned int value, unsigned int numBits,
PixelCache & cache, HuffmanCoder & escapeCoder0,
HuffmanCoder & escapeCoder1);
void encodeRawMem(const unsigned char *buffer, unsigned int len);
unsigned char *getData();
unsigned int getDataLength() const;
unsigned int getDataLengthInBits() const;
unsigned int getCumulativeBitsWritten();
private:
void growBuffer_(unsigned int minimumFreeSpaceAfterGrow = 0);
void forceBufferToByteBoundary_();
unsigned int size_;
unsigned char *buffer_;
const unsigned char *end_; // points to byte just beyond end of buffer
unsigned char *nextDest_;
int destShift_;
unsigned int cumulativeBits_;
};
#endif /* EncodeBuffer_H */
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