| 0,0 → 1,72 |
|---|
| /* |
| * Copyright (c) 2001-2002, David Janssens |
| * 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 |
| |
| #include "j2k.h" |
| #include "tcd.h" |
| |
| typedef struct { |
| int pdx, pdy; |
| int pw, ph; |
| } pi_resolution_t; |
| |
| typedef struct { |
| int dx, dy; |
| int numresolutions; |
| pi_resolution_t *resolutions; |
| } pi_comp_t; |
| |
| typedef struct { |
| short int *include; |
| int step_l, step_r, step_c, step_p; |
| int compno, resno, precno, layno; /* component, resolution, precinct and layer that indentify the packet */ |
| int first; |
| j2k_poc_t poc; |
| int numcomps; |
| pi_comp_t *comps; |
| int tx0, ty0, tx1, ty1; |
| int x, y, dx, dy; |
| } pi_iterator_t; /* packet iterator */ |
| |
| /* |
| * Create a packet iterator |
| * img: raw image for which the packets will be listed |
| * cp: coding paremeters |
| * tileno: number that identifies the tile for which to list the packets |
| * return value: returns a packet iterator that points to the first packet of the tile |
| */ |
| pi_iterator_t *pi_create(j2k_image_t * img, j2k_cp_t * cp, int tileno); |
| |
| /* |
| * Modify the packet iterator to point to the next packet |
| * pi: packet iterator to modify |
| * return value: returns 0 if pi pointed to the last packet or else returns 1 |
| */ |
| int pi_next(pi_iterator_t * pi); |
| |
| #endif |