From 2395654cbf7935f150734b8ac0e9d4a814747527 Mon Sep 17 00:00:00 2001
From: Leonid Beynenson <no@email>
Date: Tue, 24 Jan 2012 11:56:32 +0000
Subject: [PATCH] Made changes in the stitching log macros: now the function
 stitchingLogLevel() may be used to make the stitching classes more/less
 verbose.

---
 .../include/opencv2/stitching/detail/util.hpp      | 28 +++++++++++++++++++---
 modules/stitching/src/matchers.cpp                 |  2 +-
 modules/stitching/src/motion_estimators.cpp        | 12 +++++-----
 modules/stitching/src/util.cpp                     |  6 +++++
 4 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/modules/stitching/include/opencv2/stitching/detail/util.hpp b/modules/stitching/include/opencv2/stitching/detail/util.hpp
index b304761..a2e5a02 100644
--- a/modules/stitching/include/opencv2/stitching/detail/util.hpp
+++ b/modules/stitching/include/opencv2/stitching/detail/util.hpp
@@ -54,7 +54,7 @@
   #include <iostream>
   #include <sstream>
   #include <android/log.h>
-  #define LOG(msg) \
+  #define LOG_STITCHING_MSG(msg) \
     do { \
         std::stringstream _os; \
         _os << msg; \
@@ -62,13 +62,33 @@
     } while(0);
 #else
   #include <iostream>
-  #define LOG(msg) do { std::cout << msg; std::cout.flush(); } while(0);
+  #define LOG_STITCHING_MSG(msg) do { std::cout << msg; std::cout.flush(); } while(0);
 #endif
 #else
-  #define LOG(msg)
+  #define LOG_STITCHING_MSG(msg)
 #endif
 
+#define LOG_(_level, _msg)                     \
+    do {                                       \
+        if ((_level) >= ::cv::detail::stitchingLogLevel()) { \
+            LOG_STITCHING_MSG(_msg);           \
+        }                                      \
+    } while(0)
+
+
+#define LOG(msg) LOG_(1, msg)
+#define LOG_CHAT(msg) LOG_(0, msg)
+
 #define LOGLN(msg) LOG(msg << std::endl)
+#define LOGLN_CHAT(msg) LOG_CHAT(msg << std::endl)
+
+//#if DEBUG_LOG_CHAT
+//  #define LOG_CHAT(msg) LOG(msg)
+//  #define LOGLN_CHAT(msg) LOGLN(msg)
+//#else
+//  #define LOG_CHAT(msg) do{}while(0)
+//  #define LOGLN_CHAT(msg) do{}while(0)
+//#endif
 
 namespace cv {
 namespace detail {
@@ -128,6 +148,8 @@ Point CV_EXPORTS resultTl(const std::vector<Point> &corners);
 // Returns random 'count' element subset of the {0,1,...,size-1} set
 void CV_EXPORTS selectRandomSubset(int count, int size, std::vector<int> &subset);
 
+int& CV_EXPORTS stitchingLogLevel();
+
 } // namespace detail
 } // namespace cv
 
diff --git a/modules/stitching/src/matchers.cpp b/modules/stitching/src/matchers.cpp
index aa8c0e9..cc1da49 100644
--- a/modules/stitching/src/matchers.cpp
+++ b/modules/stitching/src/matchers.cpp
@@ -491,7 +491,7 @@ void FeaturesMatcher::operator ()(const vector<ImageFeatures> &features, vector<
         parallel_for(BlockedRange(0, static_cast<int>(near_pairs.size())), body);
     else
         body(BlockedRange(0, static_cast<int>(near_pairs.size())));
-    LOGLN("");
+    LOGLN_CHAT("");
 }
 
 
diff --git a/modules/stitching/src/motion_estimators.cpp b/modules/stitching/src/motion_estimators.cpp
index 1d3aae0..acf2ad6c 100644
--- a/modules/stitching/src/motion_estimators.cpp
+++ b/modules/stitching/src/motion_estimators.cpp
@@ -171,7 +171,7 @@ void BundleAdjusterBase::estimate(const vector<ImageFeatures> &features,
                                   const vector<MatchesInfo> &pairwise_matches,
                                   vector<CameraParams> &cameras)
 {
-    LOG("Bundle adjustment");
+    LOG_CHAT("Bundle adjustment");
     int64 t = getTickCount();
 
     num_images_ = static_cast<int>(features.size());
@@ -230,16 +230,16 @@ void BundleAdjusterBase::estimate(const vector<ImageFeatures> &features,
         if (_err)
         {
             calcError(err);
-            LOG(".");
+            LOG_CHAT(".");
             iter++;
             CvMat tmp = err;
             cvCopy(&tmp, _err);
         }
     }
 
-    LOGLN("");
-    LOGLN("Bundle adjustment, final RMS error: " << sqrt(err.dot(err) / total_num_matches_));
-    LOGLN("Bundle adjustment, iterations done: " << iter);
+    LOGLN_CHAT("");
+    LOGLN_CHAT("Bundle adjustment, final RMS error: " << sqrt(err.dot(err) / total_num_matches_));
+    LOGLN_CHAT("Bundle adjustment, iterations done: " << iter);
 
     obtainRefinedCameraParams(cameras);
 
@@ -251,7 +251,7 @@ void BundleAdjusterBase::estimate(const vector<ImageFeatures> &features,
     for (int i = 0; i < num_images_; ++i)
         cameras[i].R = R_inv * cameras[i].R;
 
-    LOGLN("Bundle adjustment, time: " << ((getTickCount() - t) / getTickFrequency()) << " sec");
+    LOGLN_CHAT("Bundle adjustment, time: " << ((getTickCount() - t) / getTickFrequency()) << " sec");
 }
 
 
diff --git a/modules/stitching/src/util.cpp b/modules/stitching/src/util.cpp
index 3f6cff5..01206aa 100644
--- a/modules/stitching/src/util.cpp
+++ b/modules/stitching/src/util.cpp
@@ -165,5 +165,11 @@ void selectRandomSubset(int count, int size, vector<int> &subset)
     }
 }
 
+int& stitchingLogLevel()
+{
+    static int _log_level=1;
+    return _log_level;
+}
+
 } // namespace detail
 } // namespace cv
-- 
2.7.4