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////////////////////////////////////////////////////////
//
// GEM - Graphics Environment for Multimedia
//
// zmoelnig@iem.kug.ac.at
//
// Implementation file
//
// Copyright (c) 1997-2000 Mark Danks.
// Copyright (c) Günther Geiger.
// Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM
// Copyright (c) 2002 James Tittle & Chris Clepper
// For information on usage and redistribution, and for a DISCLAIMER OF ALL
// WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
//
/////////////////////////////////////////////////////////
// based on code written by Lluis Gomez i Bigorda ( lluisgomez _at_ hangar _dot_ org ) (pix_opencv)
// Template for pix_opencv class
#include "pix_opencv_matchshape.h"
#include <stdio.h>
#include <RTE/MessageCallbacks.h>
#ifdef _MSC_VER
#include <limits>
#define INFINITY std::numeric_limits<float>::infinity()
#endif
using namespace std;
CPPEXTERN_NEW(pix_opencv_matchshape)
/////////////////////////////////////////////////////////
//
// pix_opencv_matchshape
//
/////////////////////////////////////////////////////////
// Constructor
//
/////////////////////////////////////////////////////////
pix_opencv_matchshape :: pix_opencv_matchshape() : m_threshold(2), m_method(CV_CONTOURS_MATCH_I1)
{
m_dataout = outlet_new(this->x_obj, 0);
m_template_vec_vec.clear();
m_template_vec_mat.clear();
}
/////////////////////////////////////////////////////////
// Destructor
//
/////////////////////////////////////////////////////////
pix_opencv_matchshape :: ~pix_opencv_matchshape()
{
}
/////////////////////////////////////////////////////////
// processImage
//
/////////////////////////////////////////////////////////
void pix_opencv_matchshape :: processRGBAImage(imageStruct &image)
{
error( "pix_opencv_matchshape : rgba format not supported" );
}
void pix_opencv_matchshape :: processRGBImage(imageStruct &image) {
error( "pix_opencv_matchshape : rgb format not supported");
}
void pix_opencv_matchshape :: processYUVImage(imageStruct &image)
{
error( "pix_opencv_matchshape : yuv format not supported" );
}
void pix_opencv_matchshape :: processGrayImage(imageStruct &image)
{
error( "pix_opencv_matchshape : gray format not supported" );
error( "pix_opencv_matchshape only works on pd lists" );
// TODO add support to compare grayscale images
}
/////////////////////////////////////////////////////////
// static member function
//
/////////////////////////////////////////////////////////
void pix_opencv_matchshape :: obj_setupCallback(t_class *classPtr)
{
CPPEXTERN_MSG0(classPtr, "clear", clearMess);
CPPEXTERN_MSG(classPtr, "template", templateMess);
CPPEXTERN_MSG(classPtr, "contour", contourMess);
CPPEXTERN_MSG1(classPtr, "threshold", thresholdMess, float);
CPPEXTERN_MSG1(classPtr, "method", methodMess, int);
}
void pix_opencv_matchshape :: clearMess(void)
{
for ( vector<vector<cv::Point2f> >::iterator it=m_template_vec_vec.end(); it!=m_template_vec_vec.begin(); it--)
{
(*it).clear();
}
m_template_vec_vec.clear();
m_template_vec_mat.clear();
t_atom data;
SETFLOAT(&data, (float)m_template_vec_vec.size());
outlet_anything(m_dataout, gensym("template_vec"), 1, &data);
SETFLOAT(&data, (float)m_template_vec_mat.size());
outlet_anything(m_dataout, gensym("template_mat"), 1, &data);
}
void pix_opencv_matchshape :: contourMess(t_symbol*s, int argc, t_atom*argv)
{
if ( m_template_vec_vec.empty() ){
error("no template to match, please load a template before matching");
return;
}
if ( (argc%2)!=0 ) {
error("template message argument should be multiple of 2");
return;
}
for (int i=0;i<argc;i++){
if(argv[i].a_type!=A_FLOAT){
error("template message should have only float arguments");
return;
}
}
vector<cv::Point2f> tmp_contour;
for (int i=2;i<argc;i+=2){ // start at index 2, first two elements are reserved (for compatibility)
cv::Point2f pt;
pt.x = atom_getfloat(argv+i);
pt.y = atom_getfloat(argv+i+1);
tmp_contour.push_back(pt);
}
double comp, min=INFINITY;
int id(0),i(0);
for ( vector<vector<cv::Point2f> >::iterator it=m_template_vec_vec.begin(); it!=m_template_vec_vec.end(); ++it){
comp = cv::matchShapes(tmp_contour, *it, m_method, 0.);
if ( comp < min ){
min=comp;
id=i;
}
i++;
}
if ( min < m_threshold )
{
t_atom data[2];
SETFLOAT(data,id);
SETFLOAT(data+1, min);
outlet_anything(m_dataout, gensym("match_vec"), 2, data);
}
}
void pix_opencv_matchshape :: templateMess(t_symbol*s, int argc, t_atom*argv)
{
if ( (argc%2)!=0 ) {
error("template message argument should be multiple of 2");
return;
}
for (int i=0;i<argc;i++){
if(argv[i].a_type!=A_FLOAT){
error("template message should have only float arguments");
return;
}
}
vector<cv::Point2f> tmp_contour;
tmp_contour.clear();
for (int i=2;i<argc;i+=2){ // start at index 2, first two elements are reserved (for compatibility)
cv::Point2f pt;
pt.x = atom_getfloat(argv+i);
pt.y = atom_getfloat(argv+i+1);
tmp_contour.push_back(pt);
}
m_template_vec_vec.push_back(tmp_contour);
t_atom data;
SETFLOAT(&data, (int)m_template_vec_vec.size());
outlet_anything(m_dataout, gensym("template_vec"), 1, &data);
}
void pix_opencv_matchshape :: thresholdMess(float arg)
{
m_threshold=(double)(arg>0.?arg:0.);
t_atom data;
SETFLOAT(&data, m_threshold);
outlet_anything(m_dataout, gensym("threshold"), 1, &data);
}
void pix_opencv_matchshape :: methodMess(int arg)
{
switch (arg) {
case 1:
m_method=CV_CONTOURS_MATCH_I1;
break;
case 2:
m_method=CV_CONTOURS_MATCH_I2;
break;
case 3:
m_method=CV_CONTOURS_MATCH_I3;
break;
default:
error("method should be 1, 2 or 3");
m_method=CV_CONTOURS_MATCH_I1;
}
t_atom data;
switch (m_method) {
case CV_CONTOURS_MATCH_I1:
SETFLOAT(&data, 1);
break;
case CV_CONTOURS_MATCH_I2:
SETFLOAT(&data, 2);
break;
case CV_CONTOURS_MATCH_I3:
SETFLOAT(&data, 3);
break;
}
outlet_anything(m_dataout, gensym("method"), 1, &data);
}
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