-void PiReferential::draw_edge_and_scale(RGBImage *image,
- int registration_mode, Rectangle *window,
- int _tag, int _edge_scale) {
- const int ref_radius = 10;
- int r, g, b;
- int edges = 0;
-
- switch(registration_mode) {
-
- case PiReferential::RM_HEAD:
- r = 0; g = 255; b = 0;
- break;
-
- case PiReferential::RM_HEAD_NO_POLARITY:
- r = 128; g = 255; b = 128;
- break;
-
- case PiReferential::RM_BELLY:
- r = 64; g = 0; b = 255;
- break;
-
- case PiReferential::RM_BELLY_NO_POLARITY:
- r = 192; g = 128; b = 255;
- break;
-
- case PiReferential::RM_HEAD_BELLY_EDGES:
- edges = 1;
- case PiReferential::RM_HEAD_BELLY:
- r = 255; g = 0; b = 0;
- break;
-
- case PiReferential::RM_BODY_EDGES:
- edges = 1;
- case PiReferential::RM_BODY:
- r = 0; g = 128; b = 255;
- break;
-
- default:
- cerr << "INCONSISTENCY" << endl;
- abort();
- }
-
- scalar_t xc = (window->xmin + window->xmax)/2;
- scalar_t yc = (window->ymin + window->ymax)/2;
- int radius = ref_radius * (1 << _edge_scale);
-
- image->draw_ellipse(1, r, g, b, xc, yc, radius, radius, 0);
-
- if(_tag >= RichImage::first_edge_tag && _tag < RichImage::first_edge_tag + RichImage::nb_edge_tags) {
-
- scalar_t dx, dy;
-
- switch(_tag - RichImage::first_edge_tag) {
- case 0:
- dx = 0; dy = -1;
- break;
-
- case 1:
- dx = 1; dy = -1;
- break;
-
- case 2:
- dx = 1; dy = 0;
- break;
-
- case 3:
- dx = 1; dy = 1;
- break;
-
- case 4:
- dx = 0; dy = 1;
- break;
-
- case 5:
- dx = -1; dy = 1;
- break;
-
- case 6:
- dx = -1; dy = 0;
- break;
-
- case 7:
- dx = -1; dy = -1;
- break;
-
- default:
- abort();
- }
-
- scalar_t l = sqrt(dx * dx + dy * dy);
-
-// dx = dx / l;
-// dy = dy / l;
-
- if(edges) {
- int delta = 3;
- image->draw_ellipse(1, r, g, b, xc, yc, radius + delta, radius + delta, 0);
- }
-
- for(scalar_t u = 0; u <= radius; u += 0.1) {
- scalar_t s = sqrt(radius * radius - (u * u * l * l))/l;
- image->draw_line(2, r, g, b,
- int(xc + u * dx - s * dy), int(yc + u * dy + s * dx),
- int(xc + u * dx + s * dy), int(yc + u * dy - s * dx));
- }
-
-// for(int y = yc - radius; y <= yc + radius; y++) {
-// for(int x = xc - radius; x <= xc + radius; x++) {
-// if(x >= 0 && x < image->width() && y >= 0 && y < image->height() &&
-// (x - xc) * dx + (y - yc) * dy >= 0) {
-// image->draw_point(r, g, b, x, y);
-// }
-// }
-// }
-
- }
-
- else if(_tag == RichImage::variance_tag) {
- image->draw_ellipse(1, r, g, b, xc, yc, 8, 8, 0);
- }
-
- // else if(_tag >= RichImage::first_gray_tag && _tag < RichImage::first_gray_tag + RichImage::nb_gray_tags) {
- // }
-}
-