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#ifndef MUPDF_FITZ_COMPRESS_H
#define MUPDF_FITZ_COMPRESS_H
#include "mupdf/fitz/system.h"
typedef enum
{
FZ_DEFLATE_NONE = 0,
FZ_DEFLATE_BEST_SPEED = 1,
FZ_DEFLATE_BEST = 9,
FZ_DEFLATE_DEFAULT = -1
} fz_deflate_level;
/*
fz_deflate_bound: Returns the upper bound on the
size of flated data of length size.
*/
size_t fz_deflate_bound(fz_context *ctx, size_t size);
/*
fz_deflate: Compress source_length bytes of data starting
at source, into a buffer of length *destLen, starting at dest.
*compressed_length will be updated on exit to contain the size
actually used.
*/
void fz_deflate(fz_context *ctx, unsigned char *dest, size_t *compressed_length, const unsigned char *source, size_t source_length, fz_deflate_level level);
/*
fz_new_deflated_data: Compress source_length bytes of data starting
at source, into a new memory block malloced for that purpose.
*compressed_length is updated on exit to contain the size used.
Ownership of the block is returned from this function, and the
caller is therefore responsible for freeing it. The block may be
considerably larger than is actually required. The caller is
free to fz_realloc it down if it wants to.
*/
unsigned char *fz_new_deflated_data(fz_context *ctx, size_t *compressed_length, const unsigned char *source, size_t source_length, fz_deflate_level level);
/*
fz_new_deflated_data_from_buffer: Compress the contents of a fz_buffer into a
new block malloced for that purpose. *compressed_length is updated
on exit to contain the size used. Ownership of the block is
returned from this function, and the caller is therefore responsible
for freeing it. The block may be considerably larger than is
actually required. The caller is free to fz_realloc it down if it
wants to.
*/
unsigned char *fz_new_deflated_data_from_buffer(fz_context *ctx, size_t *compressed_length, fz_buffer *buffer, fz_deflate_level level);
#endif
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