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/* ========================================================================
* PROJECT: ARToolKitPlus
* ========================================================================
* This work is based on the original ARToolKit developed by
* Hirokazu Kato
* Mark Billinghurst
* HITLab, University of Washington, Seattle
* http://www.hitl.washington.edu/artoolkit/
*
* Copyright of the derived and new portions of this work
* (C) 2006 Graz University of Technology
*
* This framework is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This framework is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this framework; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For further information please contact
* Dieter Schmalstieg
* <schmalstieg@icg.tu-graz.ac.at>
* Graz University of Technology,
* Institut for Computer Graphics and Vision,
* Inffeldgasse 16a, 8010 Graz, Austria.
* ========================================================================
** @author Daniel Wagner
*
* $Id: arMultiReadConfigFile.cxx 162 2006-04-19 21:28:10Z grabner $
* @file
* ======================================================================== */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ARToolKitPlus/Tracker.h>
#include <ARToolKitPlus/matrix.h>
namespace ARToolKitPlus {
static char*
get_buff( char *buf, int n, FILE *fp )
{
char *ret;
for(;;) {
ret = fgets( buf, n, fp );
if(ret==NULL)
return(NULL);
if(buf[0] != '\n' && buf[0] != '#')
return(ret);
}
}
static bool
isNumber(const char* nString)
{
int i,len = (int)strlen(nString);
for(i=0; i<len; i++)
if(nString[i]<'0' || nString[i]>'9')
return false;
return true;
}
AR_TEMPL_FUNC ARMultiMarkerInfoT*
AR_TEMPL_TRACKER::arMultiReadConfigFile(const char *filename)
{
FILE *fp;
ARMultiEachMarkerInfoT *marker;
ARMultiMarkerInfoT *marker_info;
ARFloat wpos3d[4][2];
char buf[256], buf1[256];
int num;
int i, j;
if( (fp=fopen(filename,"r")) == NULL ) return NULL;
get_buff(buf, 256, fp);
if( sscanf(buf, "%d", &num) != 1 ) {fclose(fp); return NULL;}
arMalloc(marker,ARMultiEachMarkerInfoT,num);
for( i = 0; i < num; i++ ) {
get_buff(buf, 256, fp);
if( sscanf(buf, "%s", buf1) != 1 ) {
fclose(fp); free(marker); return NULL;
}
// Added by Daniel: if the markername is an integer number
// we directly interprete this as the marker id (used for
// id-based markers)
if(isNumber(buf1))
marker[i].patt_id = atoi(buf1);
else
if( (marker[i].patt_id = arLoadPatt(buf1)) < 0 ) {
fclose(fp); free(marker); return NULL;
}
get_buff(buf, 256, fp);
#ifdef _USE_DOUBLE_
if( sscanf(buf, "%lf", &marker[i].width) != 1 ) {
#else
if( sscanf(buf, "%f", &marker[i].width) != 1 ) {
#endif
fclose(fp); free(marker); return NULL;
}
get_buff(buf, 256, fp);
#ifdef _USE_DOUBLE_
if( sscanf(buf, "%lf %lf", &marker[i].center[0], &marker[i].center[1]) != 2 ) {
#else
if( sscanf(buf, "%f %f", &marker[i].center[0], &marker[i].center[1]) != 2 ) {
#endif
fclose(fp); free(marker); return NULL;
}
for( j = 0; j < 3; j++ ) {
get_buff(buf, 256, fp);
if( sscanf(buf,
#ifdef _USE_DOUBLE_
"%lf %lf %lf %lf",
#else
"%f %f %f %f",
#endif
&marker[i].trans[j][0], &marker[i].trans[j][1], &marker[i].trans[j][2], &marker[i].trans[j][3]) != 4 )
{
fclose(fp); free(marker); return NULL;
}
}
arUtilMatInv( marker[i].trans, marker[i].itrans );
wpos3d[0][0] = marker[i].center[0] - marker[i].width*0.5f;
wpos3d[0][1] = marker[i].center[1] + marker[i].width*0.5f;
wpos3d[1][0] = marker[i].center[0] + marker[i].width*0.5f;
wpos3d[1][1] = marker[i].center[1] + marker[i].width*0.5f;
wpos3d[2][0] = marker[i].center[0] + marker[i].width*0.5f;
wpos3d[2][1] = marker[i].center[1] - marker[i].width*0.5f;
wpos3d[3][0] = marker[i].center[0] - marker[i].width*0.5f;
wpos3d[3][1] = marker[i].center[1] - marker[i].width*0.5f;
for( j = 0; j < 4; j++ ) {
marker[i].pos3d[j][0] = marker[i].trans[0][0] * wpos3d[j][0]
+ marker[i].trans[0][1] * wpos3d[j][1]
+ marker[i].trans[0][3];
marker[i].pos3d[j][1] = marker[i].trans[1][0] * wpos3d[j][0]
+ marker[i].trans[1][1] * wpos3d[j][1]
+ marker[i].trans[1][3];
marker[i].pos3d[j][2] = marker[i].trans[2][0] * wpos3d[j][0]
+ marker[i].trans[2][1] * wpos3d[j][1]
+ marker[i].trans[2][3];
}
}
fclose(fp);
marker_info = (ARMultiMarkerInfoT *)malloc( sizeof(ARMultiMarkerInfoT) );
if( marker_info == NULL ) {free(marker); return NULL;}
marker_info->marker = marker;
marker_info->marker_num = num;
marker_info->prevF = 0;
return marker_info;
}
} // namespace ARToolKitPlus
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