void HoughDetectEdge::detect(cv::Mat &image, std::vector<cv::Vec4i> &edges) {
edges.clear();
cv::Mat gray;
if (image.channels() == 3) {
cv::cvtColor(image, gray, CV_BGR2GRAY);
} else {
gray = image.clone();
}
canndyImage(gray);
std::vector<std::vector<cv::Vec4i>> lines;
houghLines(gray, lines);
if (lines.size() != 4) return;
mergeLines(lines, edges);
}
void Preprocessor::addMacros()
{
auto it = lines.begin();
while(it != lines.end()) {
if(it->length() > 0 && it->at(0) == '#') {
trim(*it);
mergeLines(it);
size_t size = lines.size();
size_t pos = std::distance(lines.begin(), it);
addMacro(it);
it = lines.erase(lines.begin() + pos + lines.size() - size);
} else
++it;
}
}
