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#ifndef MUPDF_FITZ_COMPRESSED_BUFFER_H

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#define MUPDF_FITZ_COMPRESSED_BUFFER_H

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#include "mupdf/fitz/system.h"

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#include "mupdf/fitz/context.h"

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#include "mupdf/fitz/buffer.h"

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#include "mupdf/fitz/stream.h"

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typedef struct fz_compression_params_s fz_compression_params;

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typedef struct fz_compressed_buffer_s fz_compressed_buffer;

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unsigned int fz_compressed_buffer_size(fz_compressed_buffer *buffer);

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fz_stream *fz_open_compressed_buffer(fz_context *ctx, fz_compressed_buffer *);

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fz_stream *fz_open_image_decomp_stream_from_buffer(fz_context *ctx, fz_compressed_buffer *, int *l2factor);

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fz_stream *fz_open_image_decomp_stream(fz_context *ctx, fz_stream *, fz_compression_params *, int *l2factor);

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enum

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{

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	FZ_IMAGE_UNKNOWN = 0,

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	FZ_IMAGE_JPEG = 1,

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	FZ_IMAGE_JPX = 2, /* Placeholder until supported */

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	FZ_IMAGE_FAX = 3,

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	FZ_IMAGE_JBIG2 = 4, /* Placeholder until supported */

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	FZ_IMAGE_RAW = 5,

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	FZ_IMAGE_RLD = 6,

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	FZ_IMAGE_FLATE = 7,

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	FZ_IMAGE_LZW = 8,

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	FZ_IMAGE_PNG = 9,

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	FZ_IMAGE_TIFF = 10,

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	FZ_IMAGE_JXR = 11, /* Placeholder until supported */

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};

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struct fz_compression_params_s

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{

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	int type;

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	union {

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		struct {

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			int color_transform; /* Use -1 for unset */

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		} jpeg;

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		struct {

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			int smask_in_data;

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		} jpx;

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		struct {

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			int columns;

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			int rows;

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			int k;

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			int end_of_line;

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			int encoded_byte_align;

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			int end_of_block;

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			int black_is_1;

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			int damaged_rows_before_error;

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		} fax;

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		struct

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		{

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			int columns;

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			int colors;

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			int predictor;

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			int bpc;

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		}

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		flate;

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		struct

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		{

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			int columns;

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			int colors;

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			int predictor;

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			int bpc;

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			int early_change;

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		} lzw;

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	} u;

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};

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struct fz_compressed_buffer_s

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{

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	fz_compression_params params;

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	fz_buffer *buffer;

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};

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void fz_drop_compressed_buffer(fz_context *ctx, fz_compressed_buffer *buf);

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#endif

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