diff options
Diffstat (limited to 'libopenjp3d/cio.c')
| -rwxr-xr-x | libopenjp3d/cio.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/libopenjp3d/cio.c b/libopenjp3d/cio.c deleted file mode 100755 index 4ac64fd3..00000000 --- a/libopenjp3d/cio.c +++ /dev/null @@ -1,217 +0,0 @@ -/*
- * Copyright (c) 2001-2003, David Janssens
- * Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
- * Copyright (c) 2005, Herve Drolon, FreeImage Team
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "opj_includes.h"
-
-/* ----------------------------------------------------------------------- */
-
-opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length) {
- opj_cp_t *cp = NULL;
- opj_cio_t *cio = (opj_cio_t*)opj_malloc(sizeof(opj_cio_t));
- if(!cio) return NULL;
- cio->cinfo = cinfo;
- if(buffer && length) {
- /* wrap a user buffer containing the encoded image */
- cio->openmode = OPJ_STREAM_READ;
- cio->buffer = buffer;
- cio->length = length;
- }
- else if(!buffer && !length && cinfo) {
- /* allocate a buffer for the encoded image */
- cio->openmode = OPJ_STREAM_WRITE;
- switch(cinfo->codec_format) {
- case CODEC_J3D:
- case CODEC_J2K:
- cp = ((opj_j3d_t*)cinfo->j3d_handle)->cp;
- break;
- default:
- opj_free(cio);
- return NULL;
- }
- cio->length = cp->tdx * cp->tdy * cp->tdz * cp->tw * cp->th * cp->tl * 4;
- cio->buffer = (unsigned char *)opj_malloc(cio->length);
- if(!cio->buffer) {
- opj_free(cio);
- return NULL;
- }
- }
- else {
- opj_free(cio);
- return NULL;
- }
-
- /* Initialize byte IO */
- cio->start = cio->buffer;
- cio->end = cio->buffer + cio->length;
- cio->bp = cio->buffer;
-
- return cio;
-}
-
-void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio) {
- if(cio) {
- if(cio->openmode == OPJ_STREAM_WRITE) {
- /* destroy the allocated buffer */
- opj_free(cio->buffer);
- }
- /* destroy the cio */
- opj_free(cio);
- }
-}
-
-
-/* ----------------------------------------------------------------------- */
-
-/*
- * Get position in byte stream.
- */
-int OPJ_CALLCONV cio_tell(opj_cio_t *cio) {
- return cio->bp - cio->start;
-}
-
-/*
- * Set position in byte stream.
- *
- * pos : position, in number of bytes, from the beginning of the stream
- */
-void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos) {
- cio->bp = cio->start + pos;
-}
-
-/*
- * Number of bytes left before the end of the stream.
- */
-int cio_numbytesleft(opj_cio_t *cio) {
- return cio->end - cio->bp;
-}
-
-/*
- * Get pointer to the current position in the stream.
- */
-unsigned char *cio_getbp(opj_cio_t *cio) {
- return cio->bp;
-}
-
-/*
- * Write a byte.
- */
-bool cio_byteout(opj_cio_t *cio, unsigned char v) {
- if (cio->bp >= cio->end) {
- opj_event_msg(cio->cinfo, EVT_ERROR, "write error\n");
- return false;
- }
- *cio->bp++ = v;
- return true;
-}
-
-/*
- * Read a byte.
- */
-unsigned char cio_bytein(opj_cio_t *cio) {
- if (cio->bp >= cio->end) {
- opj_event_msg(cio->cinfo, EVT_ERROR, "read error\n");
- return 0;
- }
- return *cio->bp++;
-}
-
-/*
- * Write some bytes.
- *
- * v : value to write
- * n : number of bytes to write
- */
-unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n) {
- int i;
- for (i = n - 1; i >= 0; i--) {
- if( !cio_byteout(cio, (unsigned char) ((v >> (i << 3)) & 0xff)) )
- return 0;
- }
- return n;
-}
-
-/*
- * Read some bytes.
- *
- * n : number of bytes to read
- *
- * return : value of the n bytes read
- */
-unsigned int cio_read(opj_cio_t *cio, int n) {
- int i;
- unsigned int v;
- v = 0;
- for (i = n - 1; i >= 0; i--) {
- v += cio_bytein(cio) << (i << 3);
- }
- return v;
-}
-
-/*
- * Skip some bytes.
- *
- * n : number of bytes to skip
- */
-void cio_skip(opj_cio_t *cio, int n) {
- cio->bp += n;
-}
-
-/*
- * Write some bytes.
- *
- * v : value to write
- * n : number of bytes to write
- */
-int cio_write_int(opj_cio_t *cio, int v, int n) {
- int i;
- for (i = n - 1; i >= 0; i--) {
- if( !cio_byteout(cio, (char) ((v >> (i << 3)) & 0xff)) )
- return 0;
- }
- return n;
-}
-
-/*
- * Read some bytes.
- *
- * n : number of bytes to read
- *
- * return : value of the n bytes read
- */
-int cio_read_int(opj_cio_t *cio, int n) {
- int i;
- int v;
- v = 0;
- for (i = n - 1; i >= 0; i--) {
- v += cio_bytein(cio) << (i << 3);
- }
- return v;
-}
-
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