2 * Copyright (c) 2001-2003, David Janssens
3 * Copyright (c) 2002-2003, Yannick Verschueren
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5 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
6 * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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35 @brief Implementation of a byte input-output process (CIO)
37 The functions in CIO.C have for goal to realize a byte input / output process.
40 /** @defgroup CIO CIO - byte input-output stream */
43 /** @name Exported functions (see also openjpeg.h) */
45 /* ----------------------------------------------------------------------- */
47 Number of bytes left before the end of the stream
49 @return Returns the number of bytes before the end of the stream
51 int cio_numbytesleft(opj_cio_t *cio);
53 Get pointer to the current position in the stream
55 @return Returns a pointer to the current position
57 unsigned char *cio_getbp(opj_cio_t *cio);
61 @param v Value to write
62 @param n Number of bytes to write
63 @return Returns the number of bytes written or 0 if an error occured
65 unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n);
69 @param n Number of bytes to read
70 @return Returns the value of the n bytes read
72 unsigned int cio_read(opj_cio_t *cio, int n);
76 @param n Number of bytes to skip
78 void cio_skip(opj_cio_t *cio, int n);
79 /* ----------------------------------------------------------------------- */