OpenJPEG 2.5.0

imgreg_manager.h
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1/*
2 * $Id$
3 *
4 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
5 * Copyright (c) 2002-2014, Professor Benoit Macq
6 * Copyright (c) 2010-2011, Kaori Hagihara
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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29 */
30
31#ifndef IMGREG_MANAGER_H_
32# define IMGREG_MANAGER_H_
33
35 typedef struct imgreg_param {
36 int xosiz, yosiz;
38 int fx, fy;
39 int ox, oy;
40 int sx, sy;
41 int level;
42} imgreg_param_t;
43
44
56 imgreg_param_t map_viewin2imgreg(const int fx, const int fy,
57 const int rx, const int ry,
58 const int rw, const int rh,
59 const int XOsiz, const int YOsiz,
60 const int Xsiz, const int Ysiz,
61 const int numOfreslev);
62
63
79 void find_level(int maxlev, int *lev, int *fx, int *fy, int *xmin, int *ymin,
80 int *xmax, int *ymax);
81
92 int comp_decomplev(int fw, int fh, int Xsiz, int Ysiz);
93
99 void print_imgreg(imgreg_param_t imgreg);
100
101
102#endif /* !IMGREG_MANAGER_H_ */
find_level
void find_level(int maxlev, int *lev, int *fx, int *fy, int *xmin, int *ymin, int *xmax, int *ymax)
find deconposition level and its resolution size C.4.1 Mapping view-window requests to codestream ima...
Definition: imgreg_manager.c:109
print_imgreg
void print_imgreg(imgreg_param_t imgreg)
print image region parameters
Definition: imgreg_manager.c:150
comp_decomplev
int comp_decomplev(int fw, int fh, int Xsiz, int Ysiz)
compute decomposition level (only to get the level use find_level for all parameters
Definition: imgreg_manager.c:134
map_viewin2imgreg
imgreg_param_t map_viewin2imgreg(const int fx, const int fy, const int rx, const int ry, const int rw, const int rh, const int XOsiz, const int YOsiz, const int Xsiz, const int Ysiz, const int numOfreslev)
map view-window requests to codestream image resolutions and regions
Definition: imgreg_manager.c:46
imgreg_param_t
struct imgreg_param imgreg_param_t
image region parameters
imgreg_param
image region parameters
Definition: imgreg_manager.h:35
imgreg_param::xosiz
int xosiz
Definition: imgreg_manager.h:36
imgreg_param::fx
int fx
offset from the origin of the reference grid at the decomposition level
Definition: imgreg_manager.h:38
imgreg_param::sx
int sx
offset (roff)
Definition: imgreg_manager.h:40
imgreg_param::sy
int sy
Definition: imgreg_manager.h:40
imgreg_param::level
int level
region size (rsiz)
Definition: imgreg_manager.h:41
imgreg_param::oy
int oy
Definition: imgreg_manager.h:39
imgreg_param::ox
int ox
frame size (fsiz)
Definition: imgreg_manager.h:39
imgreg_param::fy
int fy
Definition: imgreg_manager.h:38
imgreg_param::yosiz
int yosiz
Definition: imgreg_manager.h:36