void PenCommandObject::release()
{
auto segts_tpl = filterSegments();
// First handle the case of a single point
if (m_segment.points().size() == 1)
{
cancel();
}
else
{
release_n(std::move(segts_tpl));
}
}
void PenCommandObject::move()
{
// getSegmentId *has* to be prior to filterSegments for middleBegin /
// middleEnd
auto point_array_id = getSegmentId(m_startSegments);
auto segts_tpl = filterSegments();
auto& middleBegin = std::get<0>(segts_tpl);
auto& middleEnd = std::get<1>(segts_tpl);
auto& segts = std::get<2>(segts_tpl);
auto dat_base = m_segment.toSegmentData();
dat_base.id = point_array_id;
dat_base.start = m_minPress;
dat_base.end = m_maxPress;
segts.reserve(segts.size() + 3);
optional<std::size_t> middle_begin_p{};
optional<std::size_t> middle_end_p{};
if (middleBegin)
{
segts.push_back(*std::move(middleBegin));
middle_begin_p = segts.size() - 1;
}
if (middleEnd)
{
segts.push_back(*std::move(middleEnd));
middle_end_p = segts.size() - 1;
}
segts.push_back(dat_base);
SegmentData& dat = segts.back();
if (middle_begin_p && middle_end_p
&& segts[*middle_begin_p].id == segts[*middle_end_p].id)
{
segts[*middle_end_p].id = getSegmentId(segts);
for (auto& seg : segts)
{
if (seg.id == segts[*middle_end_p].following)
{
seg.previous = segts[*middle_end_p].id;
break;
}
}
}
if (middle_begin_p)
{
SegmentData& seg = segts[*middle_begin_p];
seg.end = m_minPress;
seg.following = dat.id;
dat.previous = seg.id;
}
if (middle_end_p)
{
SegmentData& seg = segts[*middle_end_p];
seg.start = m_maxPress;
seg.previous = dat.id;
dat.following = seg.id;
}
submit(std::move(segts));
}
int main( int argc, char** argv){
/*colors*/
CvScalar green = CV_RGB(0,255,0);
CvScalar white = CV_RGB(255,255,255);
CvScalar black = CV_RGB(0,0,0);
CvScalar red = CV_RGB(255,0,0);
CvScalar blue = CV_RGB(0,0,255);
cvNamedWindow( "opencv on acid",CV_WINDOW_AUTOSIZE);
cvNamedWindow( "lsd",CV_WINDOW_AUTOSIZE);
CvCapture* capture;
if ( argc == 1 ) {
capture = cvCreateCameraCapture (0);
} else {
capture = cvCreateFileCapture (argv[1]);
}
assert( capture != NULL );
IplImage* frame;
image_double image;
int width, height, i, j;
while (1) {
frame = cvQueryFrame( capture );
if( !frame ) break;
/* get image properties */
width = frame->width;
height = frame->height;
/* create new image for the grayscale version */
IplImage* frameBW = cvCreateImage( cvSize( width, height ), IPL_DEPTH_8U, 1 );
/*convert to grayscale*/
cvCvtColor( frame , frameBW, CV_RGB2GRAY);
/*cast into lsd image struct*/
image = new_image_double(width, height);
uchar* data = (uchar*)frameBW->imageData;
for (i=0;i<height;i++){
for(j=0;j<width;j++){
image->data[ j + i * width ] = data[j + i*width];
};
};
/*run lsd*/
ntuple_list ntl;
ntl = lsd(image);
free_image_double(image);
/*filter lsd segments*/
int degrees_thr = 20; // degrees of threshold
int distance_thr = 49; // 7 pixels
ntuple_list ntlFilt = new_ntuple_list(5);
filterSegments( ntl, ntlFilt , distance_thr);
/********************/
//printf("A ver: %3.2f\n",ntl->values[1]);
/*draw segments on frame and frameLsd*/
IplImage* frameLsd = cvCreateImage( cvSize( width, height ), IPL_DEPTH_8U, 3 );
cvSet(frameLsd, black, 0);
for (j=0; j<ntl->size ; j++){
//define segment end-points
CvPoint pt1 = cvPoint(ntl->values[ 0 + j * ntl->dim ],ntl->values[ 1 + j * ntl->dim ]);
CvPoint pt2 = cvPoint(ntl->values[ 2 + j * ntl->dim ],ntl->values[ 3 + j * ntl->dim ]);
// draw line on frame
cvLine(frame,pt1,pt2,white,1.5,8,0);
// draw line on frameLsd
cvLine(frameLsd,pt1,pt2,white,1.5,8,0);
}
/*draw segments on actual frameLsdFilt*/
IplImage* frameLsdFilt = cvCreateImage( cvSize( width, height ), IPL_DEPTH_8U, 3 );
cvSet(frameLsdFilt, black, 0);
j = 0;
for (j=0; j<ntlFilt->size ; j++){
//define segment end-points
CvPoint pt1 = cvPoint(ntlFilt->values[ 0 + j * ntlFilt->dim ],ntlFilt->values[ 1 + j * ntlFilt->dim ]);
CvPoint pt2 = cvPoint(ntlFilt->values[ 2 + j * ntlFilt->dim ],ntlFilt->values[ 3 + j * ntlFilt->dim ]);
// draw line on frameLsd
cvLine(frameLsdFilt,pt1,pt2,white,1.5,8,0);
}
cvShowImage("opencv on acid",frame);
cvShowImage("lsd",frameLsd);
cvShowImage("lsd filtrado",frameLsdFilt);
char c = cvWaitKey(25);
if( c == 27 ) break;
}
cvReleaseCapture( &capture );
cvDestroyWindow( "opencv on acid");
cvDestroyWindow( "lsd");
cvDestroyWindow( "lsd filtrado");
}