//el indx dice que zona es, indx = 1...4
Point2f getAreaCenter(RotatedRect& rect, int indx){
Point2f aux(0,0);
if (abs(rect.angle)<1) {
aux.x = ((indx == 1 || indx == 3) ? rect.center.x-rect.size.width/4 : rect.center.x+rect.size.width/4);
aux.y = ((indx == 1 || indx == 2) ? rect.center.y-rect.size.height/4 : rect.center.y+rect.size.height/4);
}
else {
CvPoint2D32f boxPoints[4];
RotatedRect box2(rect.center,cv::Size(rect.size.width/2,rect.size.height/2),-rect.angle+90);
cvBoxPoints(CvBox2D(box2), boxPoints);
if (indx == 1) {
aux.x = (double)boxPoints[1].x;
aux.y = (double)boxPoints[1].y;
}
else if(indx == 2){
aux.x = (double)boxPoints[2].x;
aux.y = (double)boxPoints[2].y;
}
else if(indx == 3){
aux.x = (double)boxPoints[0].x;
aux.y = (double)boxPoints[0].y;
}
else if(indx == 4){
aux.x = (double)boxPoints[3].x;
aux.y = (double)boxPoints[3].y;
}
else
CV_Assert(false);
}
return aux;
}
void drawRotatedRect(Mat& img, const RotatedRect& rect, CvScalar color, int thickness){
if (abs(rect.angle)<1) {
rectangle(img, Point2i(rect.center.x-rect.size.width/2,rect.center.y-rect.size.height/2),
Point2i(rect.center.x+rect.size.width/2,rect.center.y+rect.size.height/2), color, thickness);
}
else {
RotatedRect box(rect.center,rect.size,-rect.angle+90);
CvPoint2D32f boxPoints[4];
cvBoxPoints(CvBox2D(box), boxPoints);
line(img,Point2f((int)boxPoints[0].x, (int)boxPoints[0].y), Point2f((int)boxPoints[1].x, (int)boxPoints[1].y),color,thickness);
line(img,Point2f((int)boxPoints[1].x, (int)boxPoints[1].y), Point2f((int)boxPoints[2].x, (int)boxPoints[2].y),color,thickness);
line(img,Point2f((int)boxPoints[2].x, (int)boxPoints[2].y), Point2f((int)boxPoints[3].x, (int)boxPoints[3].y),color,thickness);
line(img,Point2f((int)boxPoints[3].x, (int)boxPoints[3].y), Point2f((int)boxPoints[0].x, (int)boxPoints[0].y),color,thickness);
}
}
void draw()
{
double scale = this->scale == 0? 1.0 : this->scale;
CvScalar colors[5] = {
#if !defined CV_VERSION_EPOCH && (CV_VERSION_MAJOR >= 3)
CvScalar(cvRound(color[0].r * 255), cvRound(color[0].g * 255), cvRound(color[0].b * 255), cvRound(alpha * 255)),
CvScalar(cvRound(color[1].r * 255), cvRound(color[1].g * 255), cvRound(color[1].b * 255), cvRound(alpha * 255)),
CvScalar(cvRound(color[2].r * 255), cvRound(color[2].g * 255), cvRound(color[2].b * 255), cvRound(alpha * 255)),
CvScalar(cvRound(color[3].r * 255), cvRound(color[3].g * 255), cvRound(color[3].b * 255), cvRound(alpha * 255)),
CvScalar(cvRound(color[4].r * 255), cvRound(color[4].g * 255), cvRound(color[4].b * 255), cvRound(alpha * 255)),
#else
{{cvRound(color[0].r * 255), cvRound(color[0].g * 255), cvRound(color[0].b * 255), cvRound(alpha * 255)}},
{{cvRound(color[1].r * 255), cvRound(color[1].g * 255), cvRound(color[1].b * 255), cvRound(alpha * 255)}},
{{cvRound(color[2].r * 255), cvRound(color[2].g * 255), cvRound(color[2].b * 255), cvRound(alpha * 255)}},
{{cvRound(color[3].r * 255), cvRound(color[3].g * 255), cvRound(color[3].b * 255), cvRound(alpha * 255)}},
{{cvRound(color[4].r * 255), cvRound(color[4].g * 255), cvRound(color[4].b * 255), cvRound(alpha * 255)}},
#endif
};
for (int i = 0; i < (objects ? objects->total : 0); i++)
{
CvRect* r = (CvRect*) cvGetSeqElem(objects, i);
CvPoint center;
int thickness = stroke <= 0? CV_FILLED : cvRound(stroke * 100);
int linetype = antialias? CV_AA : 8;
center.x = cvRound((r->x + r->width * 0.5) / scale);
center.y = cvRound((r->y + r->height * 0.5) / scale);
switch (shape == 1.0? (rand() % 3) : cvRound(shape * 10))
{
default:
case 0:
{
int radius = cvRound((r->width + r->height) * 0.25 / scale);
cvCircle(image, center, radius, colors[i % 5], thickness, linetype);
break;
}
case 1:
{
#if !defined CV_VERSION_EPOCH && (CV_VERSION_MAJOR >= 3)
CvBox2D box = CvBox2D(CvPoint2D32f(center.x, center.y), CvSize2D32f(r->width / scale, (r->height / scale) * 1.2), 90);
#else
CvBox2D box = {{center.x, center.y}, {r->width / scale, (r->height / scale) * 1.2}, 90};
#endif
cvEllipseBox(image, box, colors[i % 5], thickness, linetype);
break;
}
case 2:
{
#if !defined CV_VERSION_EPOCH && (CV_VERSION_MAJOR >= 3)
CvPoint pt1 = CvPoint(r->x / scale, r->y / scale);
CvPoint pt2 = CvPoint((r->x + r->width) / scale, (r->y + r->height) / scale);
#else
CvPoint pt1 = {r->x / scale, r->y / scale};
CvPoint pt2 = {(r->x + r->width) / scale, (r->y + r->height) / scale};
#endif
cvRectangle(image, pt1, pt2, colors[i % 5], thickness, linetype);
break;
}
}
}
}
