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#ifndef MUPDF_FITZ_COMPRESSED_BUFFER_H
#define MUPDF_FITZ_COMPRESSED_BUFFER_H
#include "mupdf/fitz/system.h"
#include "mupdf/fitz/context.h"
#include "mupdf/fitz/buffer.h"
#include "mupdf/fitz/stream.h"
#include "mupdf/fitz/filter.h"
typedef struct fz_compression_params_s fz_compression_params;
typedef struct fz_compressed_buffer_s fz_compressed_buffer;
size_t fz_compressed_buffer_size(fz_compressed_buffer *buffer);
fz_stream *fz_open_compressed_buffer(fz_context *ctx, fz_compressed_buffer *);
fz_stream *fz_open_image_decomp_stream_from_buffer(fz_context *ctx, fz_compressed_buffer *, int *l2factor);
fz_stream *fz_open_image_decomp_stream(fz_context *ctx, fz_stream *, fz_compression_params *, int *l2factor);
int fz_recognize_image_format(fz_context *ctx, unsigned char p[8]);
enum
{
FZ_IMAGE_UNKNOWN = 0,
/* Uncompressed samples */
FZ_IMAGE_RAW,
/* Compressed samples */
FZ_IMAGE_FAX,
FZ_IMAGE_FLATE,
FZ_IMAGE_LZW,
FZ_IMAGE_RLD,
/* Full image formats */
FZ_IMAGE_BMP,
FZ_IMAGE_GIF,
FZ_IMAGE_JBIG2,
FZ_IMAGE_JPEG,
FZ_IMAGE_JPX,
FZ_IMAGE_JXR,
FZ_IMAGE_PNG,
FZ_IMAGE_PNM,
FZ_IMAGE_TIFF,
};
struct fz_compression_params_s
{
int type;
union {
struct {
int color_transform; /* Use -1 for unset */
} jpeg;
struct {
int smask_in_data;
} jpx;
struct {
fz_jbig2_globals *globals;
} jbig2;
struct {
int columns;
int rows;
int k;
int end_of_line;
int encoded_byte_align;
int end_of_block;
int black_is_1;
int damaged_rows_before_error;
} fax;
struct
{
int columns;
int colors;
int predictor;
int bpc;
}
flate;
struct
{
int columns;
int colors;
int predictor;
int bpc;
int early_change;
} lzw;
} u;
};
struct fz_compressed_buffer_s
{
fz_compression_params params;
fz_buffer *buffer;
};
void fz_drop_compressed_buffer(fz_context *ctx, fz_compressed_buffer *buf);
#endif
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