158 lines
4.7 KiB
C
158 lines
4.7 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
|
|
* Copyright (c) 2002-2011, Professor Benoit Macq
|
|
* Copyright (c) 2010-2011, Kaori Hagihara
|
|
* 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 <stdio.h>
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
#include "imgreg_manager.h"
|
|
|
|
#ifdef SERVER
|
|
#include "fcgi_stdio.h"
|
|
#define logstream FCGI_stdout
|
|
#else
|
|
#define FCGI_stdout stdout
|
|
#define FCGI_stderr stderr
|
|
#define logstream stderr
|
|
#endif /*SERVER*/
|
|
|
|
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)
|
|
{
|
|
imgreg_param_t imgreg;
|
|
int px,py;
|
|
int xmax, ymax;
|
|
|
|
imgreg.xosiz = XOsiz;
|
|
imgreg.yosiz = YOsiz;
|
|
imgreg.fx = fx;
|
|
imgreg.fy = fy;
|
|
imgreg.level = 0;
|
|
xmax = Xsiz;
|
|
ymax = Ysiz;
|
|
|
|
find_level( numOfreslev, &imgreg.level, &imgreg.fx, &imgreg.fy, &imgreg.xosiz, &imgreg.yosiz, &xmax, &ymax);
|
|
|
|
if( rx == -1 || ry == -1){
|
|
imgreg.ox = 0;
|
|
imgreg.oy = 0;
|
|
}
|
|
else{
|
|
imgreg.ox = rx*imgreg.fx/fx;
|
|
imgreg.oy = ry*imgreg.fy/fy;
|
|
}
|
|
|
|
if( rw == -1 || rh == -1){
|
|
imgreg.sx = imgreg.fx;
|
|
imgreg.sy = imgreg.fy;
|
|
}
|
|
else{
|
|
px = (int)ceil((double)((rx+rw)*imgreg.fx)/(double)fx);
|
|
py = (int)ceil((double)((ry+rh)*imgreg.fy)/(double)fy);
|
|
|
|
if( imgreg.fx < px)
|
|
px = imgreg.fx;
|
|
if( imgreg.fy < py)
|
|
py = imgreg.fy;
|
|
|
|
imgreg.sx = px - imgreg.ox;
|
|
imgreg.sy = py - imgreg.oy;
|
|
}
|
|
|
|
if( fx != imgreg.fx || fy != imgreg.fy)
|
|
fprintf( FCGI_stdout, "JPIP-fsiz: %d,%d\r\n", imgreg.fx, imgreg.fy);
|
|
|
|
if( rw != imgreg.sx || rh != imgreg.sy)
|
|
fprintf( FCGI_stdout, "JPIP-rsiz: %d,%d\r\n", imgreg.sx, imgreg.sy);
|
|
|
|
if( rx != imgreg.ox || ry != imgreg.oy)
|
|
fprintf( FCGI_stdout, "JPIP-roff: %d,%d\r\n", imgreg.ox, imgreg.oy);
|
|
|
|
return imgreg;
|
|
}
|
|
|
|
void find_level( int maxlev, int *lev, int *fx, int *fy, int *xmin, int *ymin, int *xmax, int *ymax)
|
|
{
|
|
int xwidth = *xmax - *xmin;
|
|
int ywidth = *ymax - *ymin;
|
|
|
|
/* Find smaller frame size for now (i.e. assume "round-down"). */
|
|
if ((*fx < 1 && xwidth != 0) || (*fy < 1 && ywidth != 0)){
|
|
fprintf( FCGI_stderr, "Frame size must be strictly positive");
|
|
exit(-1);
|
|
}
|
|
else if( *lev < maxlev-1 && ( *fx < xwidth || *fy < ywidth)) {
|
|
/* Simulate the ceil function. */
|
|
*xmin = (int)ceil((double)*xmin/(double)2.0);
|
|
*ymin = (int)ceil((double)*ymin/(double)2.0);
|
|
*xmax = (int)ceil((double)*xmax/(double)2.0);
|
|
*ymax = (int)ceil((double)*ymax/(double)2.0);
|
|
|
|
(*lev) ++;
|
|
find_level ( maxlev, lev, fx, fy, xmin, ymin, xmax, ymax);
|
|
} else {
|
|
*fx = xwidth;
|
|
*fy = ywidth;
|
|
}
|
|
}
|
|
|
|
int comp_decomplev( int fw, int fh, int Xsiz, int Ysiz)
|
|
{
|
|
int level;
|
|
int xmin, xmax, ymin, ymax;
|
|
|
|
level = 0;
|
|
xmin = ymin = 0;
|
|
xmax = Xsiz;
|
|
ymax = Ysiz;
|
|
|
|
find_level( 1000, &level, &fw, &fh, &xmin, &ymin, &xmax, &ymax);
|
|
|
|
assert( level >= 0 );
|
|
return level;
|
|
}
|
|
|
|
void print_imgreg( imgreg_param_t imgreg)
|
|
{
|
|
#ifndef SERVER
|
|
fprintf( logstream, "codestream image region:\n");
|
|
fprintf( logstream, "\t fsiz: %d, %d\n", imgreg.fx, imgreg.fy);
|
|
fprintf( logstream, "\t roff: %d, %d\n", imgreg.ox, imgreg.oy);
|
|
fprintf( logstream, "\t rsiz: %d, %d\n", imgreg.sx, imgreg.sy);
|
|
fprintf( logstream, "\t level: %d\n", imgreg.level);
|
|
#else
|
|
(void)imgreg;
|
|
#endif
|
|
}
|