New filter color: tends to a given color; sepia is grey + color filter

configure.ac

@@ -14,7 +14,7 @@ AC_CONFIG_MACRO_DIR([m4])
 # Look for a C++ compiler.CXXFLAGS_save="$CXXFLAGS"
 AC_PROG_CXX
 AC_PROG_RANLIB
-CXXFLAGS="$CXXFLAGS_save -std=c++11 -g -O0"
+CXXFLAGS="$CXXFLAGS_save -std=c++0x -g -O0"
 AM_SILENT_RULES([yes])
 
 AC_ARG_ENABLE(debug,

src/filterSample/Makefile.am

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

src/filterSample/color.cc

@@ -0,0 +1,20 @@
+#include "color.hh"
+#include "opencv2/opencv.hpp"
+
+void* Color::operator()(void* para)
+{
+  cv::Mat* mat = (cv::Mat*)para;
+
+  if (mat == nullptr)
+    return nullptr;
+
+  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;
+    }
+
+  return mat;
+}

src/filterSample/color.hh

@@ -0,0 +1,17 @@
+#ifndef COLOR_HH_
+# define COLOR_HH_
+
+# include "tbb/pipeline.h"
+# include "opencv2/opencv.hpp"
+
+class Color: public tbb::filter
+{
+  public:
+    Color(cv::Vec3b ref)
+      : filter(tbb::filter::parallel), ref_(ref) {}
+    void* operator()(void*);
+  private:
+    cv::Vec3b ref_;
+};
+
+#endif /* !COLOR_HH_ */

src/main.cc

@@ -110,7 +110,7 @@ int main (int argc, char** argv)
     if (!pipe.add_filter(filter.first, filter.second))
     {
       std::cerr << argv[0] << ": Unknown filter `"
-                << filter.first << "'" << std::endl;
+                << filter.first << "'" << filter.second.size() << std::endl;
       return 2;
     }
   }

src/pipeline.cc

@@ -14,6 +14,7 @@
 #include "filterSample/interlace.hh"
 #include "filterSample/inlay.hh"
 #include "filterSample/count.hh"
+#include "filterSample/color.hh"
 
 Pipeline::Pipeline(std::list<VideoReader> input, VideoWriter output)
   : input_(input), output_(output)
@@ -33,6 +34,17 @@ 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 == "color" && args.size() >= 3)
+    this->pipeline_.add_filter(*(new Color(cv::Vec3b {
+            (unsigned char) args[0],
+            (unsigned char) args[1],
+            (unsigned char) args[2]
+          })));
+  else if (filter == "sepia")
+  {
+    this->pipeline_.add_filter(*(new Grey()));
+    this->pipeline_.add_filter(*(new Color(cv::Vec3b { 40, 74, 130 })));
+  }
   else if (filter == "blur")
   {
     if (args.size() >= 1)