int arrow_detection::featureExteraction(Mat arrow,vector<float> &features){
features.clear();
Mat binary;
vector <std::vector<cv::Point2i >> blobs;
vector<Rect> blobs_roi;
preProcessing(arrow, binary);
// viewImage(binary*255,"binary arrow");
segmentation(binary,blobs_roi, blobs);
// DEBUG_LOG("Blobs attained : %ld\n",blobs_roi.size());
if(blobs_roi.size() > 1){
// ERROR_LOG("More than one blobs detected possibly an error.");
return -1;
}
float convex_area = blobs[0].size();
features.push_back(convex_area);
// DEBUG_LOG("convex_area : %f\n",convex_area);
Rect arrow_rect(blobs_roi[0]);
float a = 0,b = 0;
if(arrow_rect.width > arrow_rect.height){
a = arrow_rect.width/2;
b = arrow_rect.height/2;
}else{
a = arrow_rect.height/2;
b = arrow_rect.width/2;
}
// DEBUG_LOG("semi major axis: %f\n",a);
// DEBUG_LOG("semi minor axis: %f\n",b);
// DEBUG_LOG("their ratio: %f\n",b/a);
// DEBUG_LOG("pow(b/a,2) : %f\n",pow(b/a,2));
float ecentricity = sqrtf(1-pow(b/a,2));
features.push_back(ecentricity);
// DEBUG_LOG("ecentricity : %f\n",ecentricity);
float extent = convex_area/float(arrow.total());
features.push_back(extent);
// DEBUG_LOG("extent : %f\n",extent);
float solidity = float(arrow.total())/convex_area;
features.push_back(extent);
// DEBUG_LOG("solidity : %f\n",solidity);
return 0;
}
void PopupMenuWindow::on_render(Canvas &canvas, const Rect &update_rect)
{
Rect rect = get_geometry().get_size();
if (menu.impl->joiner_width > 0)
{
Rect joiner_rect(0, 0, menu.impl->joiner_width, part_menubar_joiner.get_css_height());
part_menubar_joiner.render_box(canvas, joiner_rect);
}
Rect client_box = get_content_box();
int offset = 0;
int count = menu.get_item_count();
for (int index = 0; index < count; index++)
{
PopupMenuItem item = menu.get_item_at(index);
bool is_selected = (index == selected);
int row_height = 0;
if (item.is_separator())
{
row_height = part_separator.get_css_height();
Rect separator_render_rect(client_box.left, offset, client_box.right, offset+row_height);
Rect separator_content_rect = part_separator.get_content_box(separator_render_rect);
separator_content_rect.right -= 4; // This thing is already a hack (render to content to render content as render, wtf? :))
separator_content_rect.top += 3; // More hacks..
separator_content_rect.bottom += 3; // Something is really wrong about this stuff. But it fixes the visual layout.
part_separator.render_box(canvas, separator_content_rect);
}
else
{
part_item_row.set_pseudo_class(CssStr::selected, is_selected);
part_item_icon.set_pseudo_class(CssStr::selected, is_selected);
part_item_label.set_pseudo_class(CssStr::selected, is_selected);
part_item_row.set_pseudo_class(CssStr::disabled, item.is_disabled());
part_item_icon.set_pseudo_class(CssStr::disabled, item.is_disabled());
part_item_check.set_pseudo_class(CssStr::disabled, item.is_disabled());
part_item_label.set_pseudo_class(CssStr::disabled, item.is_disabled());
part_item_accel_label.set_pseudo_class(CssStr::disabled, item.is_disabled());
row_height = part_item_row.get_css_height();
// row rect
Rect row_rect(Point(client_box.left, client_box.top + offset), Size(client_box.right, row_height));
part_item_row.render_box(canvas, row_rect);
Rect row_box = part_item_row.get_content_box(row_rect);
// icon or check
if (item.is_checkable())
{
if (item.is_checked())
{
Rect rect(Point(row_box.left, (row_box.top + row_box.bottom)/2 - check_size.height/2), check_size);
part_item_check.render_box(canvas, rect);
}
}
else
{
PixelBuffer pbuf_icon = item.get_icon();
if (!pbuf_icon.is_null())
{
Size icon_size = pbuf_icon.get_size();
Rect rect(Point(row_box.left, (row_box.top + row_box.bottom)/2 - icon_size.height/2), icon_size);
Image image(canvas, pbuf_icon, pbuf_icon.get_size()); //TODO: This is slow, and probably should be cached
image.set_linear_filter(false);
Colorf color = Colorf::white;
if (item.is_disabled())
image.set_alpha(0.25f);
image.draw(canvas, rect);
}
}
// item text
Size text_size = part_item_label.get_render_text_size(canvas, item.get_text());
Size text_full_size = part_item_label.get_border_box(text_size).get_size();
Rect label_render_rect(row_box.left + icon_column_width, row_box.top, row_box.left + icon_column_width + text_full_size.width, row_box.bottom);
Rect label_content_rect = part_item_label.get_content_box(label_render_rect);
part_item_label.render_box(canvas, label_render_rect);
part_item_label.render_text(canvas, item.get_text(), label_content_rect);
int center_y = row_box.get_center().y;
int arrow_width = part_submenu_arrow.get_css_width();
int arrow_height = part_submenu_arrow.get_css_height();
if (item.has_submenu())
{
Rect arrow_rect(
row_box.right - arrow_width,
center_y - arrow_height/2,
row_box.right,
center_y + arrow_height/2);
Rect arrow_content = part_submenu_arrow.get_content_box(arrow_rect);
part_submenu_arrow.render_box(canvas, arrow_content);
}
else if (!item.get_accelerator_text().empty())
{
// accelerator text
Size accel_text_size = part_item_accel_label.get_render_text_size(canvas, item.get_accelerator_text());
Size accel_text_full_size = part_item_accel_label.get_border_box(accel_text_size).get_size();
Rect accel_render_rect(
row_box.right-arrow_width-accel_text_full_size.width,
label_content_rect.top,
row_box.right-arrow_width,
label_content_rect.bottom);
Rect accel_content_rect = part_item_accel_label.get_content_box(accel_render_rect);
part_item_accel_label.render_text( canvas, item.get_accelerator_text(), accel_content_rect);
}
}
offset += row_height;
}
}
