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Diffstat (limited to 'libopenjpeg/pi.h')
| -rw-r--r-- | libopenjpeg/pi.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/libopenjpeg/pi.h b/libopenjpeg/pi.h new file mode 100644 index 00000000..5403faf4 --- /dev/null +++ b/libopenjpeg/pi.h @@ -0,0 +1,71 @@ +/* + * 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 { + int include[10][10][3][99]; + 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 |