Refactored CharacterAnalysis code to use a class that wraps the raw Contour data

src/openalpr/textdetection/textcontours.cpp

@@ -0,0 +1,86 @@
+/* 
+ * File:   textcontours.cpp
+ * Author: mhill
+ * 
+ * Created on October 9, 2014, 7:40 PM
+ */
+
+#include "textcontours.h"
+
+using namespace std;
+using namespace cv;
+
+
+TextContours::TextContours() {
+  
+
+}
+
+
+TextContours::TextContours(cv::Mat threshold) {
+  
+  load(threshold);
+}
+
+
+TextContours::~TextContours() {
+}
+
+void TextContours::load(cv::Mat threshold) {
+
+  Mat tempThreshold(threshold.size(), CV_8U);
+  threshold.copyTo(tempThreshold);
+  findContours(tempThreshold,
+               contours, // a vector of contours
+               hierarchy,
+               CV_RETR_TREE, // retrieve all contours
+               CV_CHAIN_APPROX_SIMPLE ); // all pixels of each contours
+
+  for (uint i = 0; i < contours.size(); i++)
+    goodIndices.push_back(true);
+}
+
+
+uint TextContours::size() {
+  return contours.size();
+}
+
+
+
+int TextContours::getGoodIndicesCount()
+{
+  int count = 0;
+  for (uint i = 0; i < goodIndices.size(); i++)
+  {
+    if (goodIndices[i])
+      count++;
+  }
+
+  return count;
+}
+
+
+std::vector<bool> TextContours::getIndicesCopy()
+{
+  vector<bool> copyArray;
+  for (uint i = 0; i < goodIndices.size(); i++)
+  {
+    bool val = goodIndices[i];
+    copyArray.push_back(goodIndices[i]);
+  }
+  
+  return copyArray;
+}
+
+void TextContours::setIndices(std::vector<bool> newIndices)
+{
+  if (newIndices.size() == goodIndices.size())
+  {
+    for (uint i = 0; i < newIndices.size(); i++)
+      goodIndices[i] = newIndices[i];
+  }
+  else
+  {
+    assert("Invalid set operation on indices");
+  }
+}