static void TraceEyesMouth(
Image& face_roi, // out: ROI around face, possibly rotated upright
DetPar& detpar_roi) // out: detpar wrt to face_roi
{
#if TRACE_IMAGES // will be 0 unless debugging (defined in stasm.h)
CImage cimg; cvtColor(face_roi, cimg, CV_GRAY2BGR); // color image
rectangle(cimg,
cv::Point(cvRound(detpar_roi.x - .5 * detpar_roi.width),
cvRound(detpar_roi.y - .5 * detpar_roi.height)),
cv::Point(cvRound(detpar_roi.x + .5 * detpar_roi.width),
cvRound(detpar_roi.y + .5 * detpar_roi.height)),
ToCvColor(C_BLUE), 3);
if (Valid(detpar_roi.lex))
cv::circle(cimg,
cv::Point(cvRound(detpar_roi.lex), cvRound(detpar_roi.ley)),
MAX(2, face_roi.cols / 40),
cv::Scalar(0, 0, 255), 2);
if (Valid(detpar_roi.rex))
cv::circle(cimg,
cv::Point(cvRound(detpar_roi.rex), cvRound(detpar_roi.rey)),
MAX(2, face_roi.cols / 40),
cv::Scalar(0, 0, 255), 2);
if (Valid(detpar_roi.mouthx))
cv::circle(cimg,
cv::Point(cvRound(detpar_roi.mouthx), cvRound(detpar_roi.mouthy)),
MAX(2, face_roi.cols / 40),
cv::Scalar(0, 0, 255), 2);
char s[SLEN]; sprintf(s, "%s_25_eyemouth.bmp", Base(imgpath_g));
lprintf("%s\n", s);
if (!cv::imwrite(s, cimg))
Err("Cannot write %s", s);
#endif
}
static void DrawRect( // draw a rectangle on an image
CImage& img, // io
const Rect& rect, // in
unsigned color=0xff0000, // in: rrggbb, default is 0xff0000 (red)
int linewidth=2) // in
{
rectangle(img,
cv::Point(rect.x, rect.y),
cv::Point(rect.x + rect.width, rect.y + rect.height),
ToCvColor(color), linewidth);
}
static void DrawFeat( // draw eye (or mouth) at index i in the eyes vec
CImage& img, // io
int i, // in
const vec_Rect& eyes, // in
unsigned col, // in
int linewidth, // in
bool best) // in: true if this is the best eye
{
double x, y; RectToImgFrame(x, y, eyes[i]);
Rect rect;
rect.x = cvRound(x - eyes[i].width / 2);
rect.y = cvRound(y - eyes[i].height / 2);
rect.width = eyes[i].width;
rect.height = eyes[i].height;
if (!best)
col = Dark(col);
DrawRect(img, rect, col, linewidth);
cv::circle(img, cv::Point(cvRound(x), cvRound(y)),
(best? 2: 1) * linewidth, ToCvColor(col), linewidth);
}