Code: strokes for ASD

Code/FBSD/BSTools/bsdetectionwidget.cpp

@@ -941,6 +941,11 @@ void BSDetectionWidget::keyPressEvent (QKeyEvent *event)
       displayDetectionResult ();
       break;
 
+    case Qt::Key_Semicolon :
+      // Stores blurred segments features
+      writeBStraverse ();
+      break;
+
     case Qt::Key_Plus :
       if (zoom > 1)
       {
@@ -1268,6 +1273,73 @@ void BSDetectionWidget::writeDetectionResult ()
 }
 
 
+void BSDetectionWidget::writeBStraverse ()
+{
+  int xlls = 1939000;
+  int ylls = 13548000;
+  int travel = 24;
+  vector<BlurredSegment *> bss = detector.getBlurredSegments ();
+  if (bss.empty ())
+  {
+    BlurredSegment *bs = detector.getBlurredSegment ();
+    if (bs != NULL)
+    {
+      ofstream outf ("strokes.txt", ios::out);
+      DigitalStraightSegment *dss = bs->getSegment ();
+      AbsRat x1r, y1r, x2r, y2r;
+      dss->naiveLine (x1r, y1r, x2r, y2r);
+      float x1 = x1r.num () / (float) x1r.den ();
+      float y1 = y1r.num () / (float) y1r.den ();
+      float x2 = x2r.num () / (float) x2r.den ();
+      float y2 = y2r.num () / (float) y2r.den ();
+      float ln = (float) sqrt ((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
+      float dx = (x2 - x1) / ln;
+      float dy = (y2 - y1) / ln;
+      for (float pos = 0.0f; pos <= ln; pos += travel)
+      {
+        outf << xlls + (int) (x1 + pos * dx - travel * dy + 0.5f) << " "
+             << ylls + (int) (y1 + pos * dy + travel * dx + 0.5f) << " "
+             << xlls + (int) (x1 + pos * dx + travel * dy + 0.5f) << " "
+             << ylls + (int) (y1 + pos * dy - travel * dx + 0.5f) << endl;
+      }
+      outf.close ();
+    }
+  }
+  else
+  {
+    DigitalStraightSegment *dss = NULL;
+    AbsRat x1r, y1r, x2r, y2r;
+    float x1, y1, x2, y2, ln, dx, dy;
+    ofstream outf ("strokes.txt", ios::out);
+    vector<BlurredSegment *>::iterator it = bss.begin ();
+    while (it != bss.end ())
+    {
+      if (*it != NULL)
+      {
+        dss = (*it)->getSegment ();
+        dss->naiveLine (x1r, y1r, x2r, y2r);
+        x1 = x1r.num () / (float) x1r.den ();
+        y1 = y1r.num () / (float) y1r.den ();
+        x2 = x2r.num () / (float) x2r.den ();
+        y2 = y2r.num () / (float) y2r.den ();
+        ln = (float) sqrt ((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
+        dx = (x2 - x1) / ln;
+        dy = (y2 - y1) / ln;
+        for (float pos = 0.0f; pos <= ln; pos += travel)
+        {
+          outf << xlls + (int) (x1 + pos * dx - travel * dy + 0.5f) << " "
+               << ylls + (int) (y1 + pos * dy + travel * dx + 0.5f) << " "
+               << xlls + (int) (x1 + pos * dx + travel * dy + 0.5f) << " "
+               << ylls + (int) (y1 + pos * dy - travel * dx + 0.5f) << endl;
+        }
+      }
+      it ++;
+    }
+    outf.close ();
+  }
+}
+
+
 void BSDetectionWidget::displayDetectionResult ()
 {
   if (background == BACK_BLACK) augmentedImage.fill (qRgb (0, 0, 0));

Code/FBSD/BSTools/bsdetectionwidget.h

@@ -410,6 +410,11 @@ private:
    */
   void writeDetectionResult ();
 
+  /**
+   * \brief Computes seeds for ASD (strokes.txt).
+   */
+  void writeBStraverse ();
+
   /**
    * \brief Displays the result of the last detection.
    */