New filters: rotate-h and rotate-v

src/configuration.cc

@@ -7,7 +7,7 @@ Configuration::add_filter(const std::string param)
 {
   std::pair<std::string, std::vector<int> > pair;
 
-  boost::char_separator<char> sep(",-;|. =");
+  boost::char_separator<char> sep(",;:. =");
   boost::tokenizer<boost::char_separator<char> > tokens(param, sep);
 
   for (auto tok : tokens)

src/filterSample/Makefile.am

@@ -7,4 +7,5 @@ AM_CXXFLAGS = 			\
 	$(DEBUG_CXXFLAGS)
 
 ______lib_libfilterSample_a_SOURCES = grey.cc reverse.cc merge.cc \
-	interlace.cc inlay.cc blur.cc cartoon.cc count.cc color.cc
+	interlace.cc inlay.cc blur.cc cartoon.cc count.cc color.cc \
+	rotate.cc

src/filterSample/color.cc

@@ -11,9 +11,14 @@ void* Color::operator()(void* para)
   for (size_t i = 0; i < mat->rows; ++i)
     for (size_t j = 0; j < mat->cols; ++j)
     {
-      mat->at<cv::Vec3b>(i, j)[0] = mat->at<cv::Vec3b>(i, j)[0] * this->ref_[0] / 255;
-      mat->at<cv::Vec3b>(i, j)[1] = mat->at<cv::Vec3b>(i, j)[1] * this->ref_[1] / 255;
-      mat->at<cv::Vec3b>(i, j)[2] = mat->at<cv::Vec3b>(i, j)[2] * this->ref_[2] / 255;
+      mat->at<cv::Vec3b>(i, j)[0] = mat->at<cv::Vec3b>(i, j)[0]
+        * this->ref_[0] / 255;
+
+      mat->at<cv::Vec3b>(i, j)[1] = mat->at<cv::Vec3b>(i, j)[1]
+        * this->ref_[1] / 255;
+
+      mat->at<cv::Vec3b>(i, j)[2] = mat->at<cv::Vec3b>(i, j)[2]
+        * this->ref_[2] / 255;
     }
 
   return mat;

src/filterSample/rotate.cc

@@ -0,0 +1,29 @@
+#include "rotate.hh"
+
+void* Rotate::operator()(void* para)
+{
+  cv::Mat* mat = (cv::Mat*)para;
+
+  if (mat == nullptr)
+    return nullptr;
+
+  if (direction_ == 0) // rotate-h
+    for (size_t i = 0; i < mat->rows; ++i)
+      for (size_t j = mat->cols / 2 + 1; j > 0; --j)
+      {
+        cv::Vec3b tmp = mat->at<cv::Vec3b>(i, j);
+        mat->at<cv::Vec3b>(i, j) = mat->at<cv::Vec3b>(i, mat->cols - j - 1);
+        mat->at<cv::Vec3b>(i, mat->cols - j - 1) = tmp;
+      }
+
+  else if (direction_ == 2 || direction_ == -2) // rotate-v
+    for (size_t i = mat->rows / 2 + 1; i > 0; --i)
+      for (size_t j = 0; j < mat->cols; ++j)
+      {
+        cv::Vec3b tmp = mat->at<cv::Vec3b>(i, j);
+        mat->at<cv::Vec3b>(i, j) = mat->at<cv::Vec3b>(mat->rows - i - 1, j);
+        mat->at<cv::Vec3b>(mat->rows - i - 1, j) = tmp;
+      }
+
+  return mat;
+}

src/filterSample/rotate.hh

@@ -0,0 +1,17 @@
+#ifndef ROTATE_HH_
+# define ROTATE_HH_
+
+# include "tbb/pipeline.h"
+# include "opencv2/opencv.hpp"
+
+class Rotate: public tbb::filter
+{
+  public:
+    Rotate(char direction)
+      : filter(tbb::filter::parallel), direction_(direction) {}
+    void* operator()(void*);
+  private:
+    char direction_;
+};
+
+#endif /* !ROTATE_HH_ */

src/main.cc

@@ -18,7 +18,9 @@ bool parse_cli(Configuration& conf, int argc, char** argv)
   po::options_description desc("Allowed options");
   desc.add_options()
     ("help,h", "produce help message")
-    ("filter,f", po::value<std::vector<std::string>>(), "apply a filter")
+    ("filter,f", po::value<std::vector<std::string>>(), "apply a filter; "
+     "choose between grey, reverse, cartoon, count, color=B,G,R, sepia, "
+     "blur[=X], merge, interlace, inlay=B,G,R, strictinlay=B,G,R")
     ("input-file,i", po::value<std::vector<std::string>>(), "file to treat")
     ("output,o", po::value<std::string>(), "output file")
     ("codec,c", po::value<std::string>(), "output codec")
@@ -110,7 +112,7 @@ int main (int argc, char** argv)
     if (!pipe.add_filter(filter.first, filter.second))
     {
       std::cerr << argv[0] << ": Unknown filter `"
-                << filter.first << "'" << filter.second.size() << std::endl;
+                << filter.first << "'" << std::endl;
       return 2;
     }
   }

src/pipeline.cc

@@ -15,6 +15,7 @@
 #include "filterSample/inlay.hh"
 #include "filterSample/count.hh"
 #include "filterSample/color.hh"
+#include "filterSample/rotate.hh"
 
 Pipeline::Pipeline(std::list<VideoReader> input, VideoWriter output)
   : input_(input), output_(output)
@@ -34,6 +35,10 @@ bool Pipeline::add_filter(std::string filter, std::vector<int> args)
     this->pipeline_.add_filter(*(new Cartoon()));
   else if (filter == "count")
     this->pipeline_.add_filter(*(new Count()));
+  else if (filter == "rotate-h")
+    this->pipeline_.add_filter(*(new Rotate(0)));
+  else if (filter == "rotate-v")
+    this->pipeline_.add_filter(*(new Rotate(2)));
   else if (filter == "color" && args.size() >= 3)
     this->pipeline_.add_filter(*(new Color(cv::Vec3b {
             (unsigned char) args[0],