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Diffstat (limited to 'openjpeg/src/lib/openjp3d/pi.h')
| -rw-r--r-- | openjpeg/src/lib/openjp3d/pi.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/openjpeg/src/lib/openjp3d/pi.h b/openjpeg/src/lib/openjp3d/pi.h new file mode 100644 index 000000000..c81f9ef08 --- /dev/null +++ b/openjpeg/src/lib/openjp3d/pi.h @@ -0,0 +1,150 @@ +/* + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third + * party and contributor rights, including patent rights, and no such rights + * are granted under this license. + * + * 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 + * Copyright (c) 2006, Mónica Díez García, Image Processing Laboratory, University of Valladolid, Spain + * 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. + */ + +#ifndef __PI_H +#define __PI_H +/** +@file pi.h +@brief Implementation of a packet iterator (PI) + +The functions in PI.C have for goal to realize a packet iterator that permits to get the next +packet following the progression order and change of it. The functions in PI.C are used +by some function in T2.C. +*/ + +/** @defgroup PI PI - Implementation of a packet iterator */ +/*@{*/ + +/** +Packet iterator : resolution level information +*/ +typedef struct opj_pi_resolution { +/** Size of precints in horizontal axis */ + int pdx; +/** Size of precints in vertical axis */ + int pdy; +/** Size of precints in axial axis */ + int pdz; +/** Number of precints in each axis */ + int prctno[3]; +} opj_pi_resolution_t; + +/** +Packet iterator : component information +*/ +typedef struct opj_pi_comp { +/** Size in horizontal axis */ + int dx; +/** Size in vertical axis */ + int dy; +/** Size in axial axis */ + int dz; +/** Number of resolution levels */ + int numresolution[3]; +/** Packet iterator : resolution level information */ + opj_pi_resolution_t *resolutions; +} opj_pi_comp_t; + +/** +Packet iterator +*/ +typedef struct opj_pi_iterator { +/** precise if the packet has been already used (useful for progression order change) */ + short int *include; +/** layer step used to localize the packet in the include vector */ + int step_l; +/** resolution step used to localize the packet in the include vector */ + int step_r; +/** component step used to localize the packet in the include vector */ + int step_c; +/** precinct step used to localize the packet in the include vector */ + int step_p; +/** component that identify the packet */ + int compno; +/** resolution that identify the packet */ + int resno; +/** precinct that identify the packet */ + int precno; +/** layer that identify the packet */ + int layno; +/** 0 if the first packet */ + int first; +/** progression order change information */ + opj_poc_t poc; +/** Packet iterator : component information */ +opj_pi_comp_t *comps; + + int numcomps; + int tx0, ty0, tz0; + int tx1, ty1, tz1; + int x, y, z; + int dx, dy, dz; +} opj_pi_iterator_t; + +/** @name Funciones generales */ +/*@{*/ +/* ----------------------------------------------------------------------- */ +/** +Create a packet iterator +@param volume Raw volume for which the packets will be listed +@param cp Coding parameters +@param tileno Number that identifies the tile for which to list the packets +@return Returns a packet iterator that points to the first packet of the tile +@see pi_destroy +*/ +opj_pi_iterator_t *pi_create(opj_volume_t * volume, opj_cp_t * cp, int tileno); + +/** +Destroy a packet iterator +@param pi Previously created packet iterator +@param cp Coding parameters +@param tileno Number that identifies the tile for which the packets were listed +@see pi_create +*/ +void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno); + +/** +Modify the packet iterator to point to the next packet +@param pi Packet iterator to modify +@return Returns false if pi pointed to the last packet or else returns true +*/ +bool pi_next(opj_pi_iterator_t * pi); +/* ----------------------------------------------------------------------- */ +/*@}*/ + +/*@}*/ + +#endif /* __PI_H */ |