/usr/include/mupdf/fitz/filter.h is in libmupdf-dev 1.7a-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | #ifndef MUPDF_FITZ_FILTER_H
#define MUPDF_FITZ_FILTER_H
#include "mupdf/fitz/system.h"
#include "mupdf/fitz/context.h"
#include "mupdf/fitz/buffer.h"
#include "mupdf/fitz/store.h"
#include "mupdf/fitz/stream.h"
typedef struct fz_jbig2_globals_s fz_jbig2_globals;
fz_stream *fz_open_copy(fz_context *ctx, fz_stream *chain);
fz_stream *fz_open_null(fz_context *ctx, fz_stream *chain, int len, int offset);
fz_stream *fz_open_concat(fz_context *ctx, int max, int pad);
void fz_concat_push(fz_context *ctx, fz_stream *concat, fz_stream *chain); /* Ownership of chain is passed in */
fz_stream *fz_open_arc4(fz_context *ctx, fz_stream *chain, unsigned char *key, unsigned keylen);
fz_stream *fz_open_aesd(fz_context *ctx, fz_stream *chain, unsigned char *key, unsigned keylen);
fz_stream *fz_open_a85d(fz_context *ctx, fz_stream *chain);
fz_stream *fz_open_ahxd(fz_context *ctx, fz_stream *chain);
fz_stream *fz_open_rld(fz_context *ctx, fz_stream *chain);
fz_stream *fz_open_dctd(fz_context *ctx, fz_stream *chain, int color_transform, int l2factor, fz_stream *jpegtables);
fz_stream *fz_open_faxd(fz_context *ctx, fz_stream *chain,
int k, int end_of_line, int encoded_byte_align,
int columns, int rows, int end_of_block, int black_is_1);
fz_stream *fz_open_flated(fz_context *ctx, fz_stream *chain, int window_bits);
fz_stream *fz_open_lzwd(fz_context *ctx, fz_stream *chain, int early_change);
fz_stream *fz_open_predict(fz_context *ctx, fz_stream *chain, int predictor, int columns, int colors, int bpc);
fz_stream *fz_open_jbig2d(fz_context *ctx, fz_stream *chain, fz_jbig2_globals *globals);
fz_jbig2_globals *fz_load_jbig2_globals(fz_context *ctx, unsigned char *data, int size);
void fz_drop_jbig2_globals_imp(fz_context *ctx, fz_storable *globals);
#endif
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