From e4ec24000b7ed45490eaa988c94546f480114933 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Tue, 17 Aug 2021 16:29:44 -0400
Subject: Finished rectangle annotation code

---
 .gitignore      |  1 +
 src/labeller.cc | 23 +++++++++++++++++++----
 src/labeller.h  |  3 +++
 src/playback.cc |  4 ++--
 src/ui.cc       | 22 +++++++++++++---------
 5 files changed, 38 insertions(+), 15 deletions(-)

diff --git a/.gitignore b/.gitignore
index 6443e30..724c6b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 annotator
 *.o
+saves/
diff --git a/src/labeller.cc b/src/labeller.cc
index ea72db0..d64ac93 100644
--- a/src/labeller.cc
+++ b/src/labeller.cc
@@ -19,12 +19,27 @@ namespace backend {
         std::string line;
         const char delim = ',';
         while(std::getline(in, line)) {
-            std::size_t split = line.find(delim);
-            if(split == std::string::npos) {
+            // Fields are label,time,x1,y1,x2,y2
+            std::vector<std::string> parts;
+            std::size_t split;
+            while((split = line.find(delim)) != std::string::npos) {
+                parts.push_back(line.substr(0, split));
+                line = line.substr(split+1);
+            }
+            // And pick up that last part
+            parts.push_back(line);
+            if(parts.size() < 2) {
                 std::cerr << "Error reading " << savepath << std::endl;
                 throw std::runtime_error(savepath.string());
             }
-            data.annotations.push_back(label(line.substr(0, split), std::stod(line.substr(split+1))));
+            label lab(parts[0], std::stod(parts[1]));
+            if(parts.size() == 6) {
+                lab.location.x1 = std::stoi(parts[2]);
+                lab.location.y1 = std::stoi(parts[3]);
+                lab.location.x2 = std::stoi(parts[4]);
+                lab.location.y2 = std::stoi(parts[5]);
+            }
+            data.annotations.push_back(lab);
         }
     }
 
@@ -138,7 +153,7 @@ namespace backend {
         std::vector<label> a(data->annotations);
         std::sort(a.begin(), a.end(), compareLabels);
         for(label l : a) {
-            out << l.name << "," << l.time << std::endl;
+            out << l.name << "," << l.time << "," << l.location.string() << std::endl;
         }
         out.close();
     }
diff --git a/src/labeller.h b/src/labeller.h
index cf108f5..37a2eda 100644
--- a/src/labeller.h
+++ b/src/labeller.h
@@ -13,6 +13,9 @@ namespace backend {
         bool nonzero() const {
             return (x1 != 0 || x1 != 0 || y1 != 0 || y2 != 0);
         }
+        std::string string() {
+            return std::to_string(x1) + "," + std::to_string(y1) + "," + std::to_string(x2) + "," + std::to_string(y2);
+        }
     };
 
     struct label {
diff --git a/src/playback.cc b/src/playback.cc
index bbc2649..700567a 100644
--- a/src/playback.cc
+++ b/src/playback.cc
@@ -33,12 +33,12 @@ namespace frontend {
     }
 
     void playback::display(const std::string& windowName, const backend::rect &r) const {
-        cv::Mat curr(data->images[data->frameNum]);
+        cv::Mat curr = data->images[data->frameNum].clone();
         if(r.nonzero()) {
             // Update with the rectangle
             cv::rectangle(curr, cv::Point(r.x1, r.y1), cv::Point(r.x2, r.y2), cv::Scalar(255, 0, 0), 2, cv::LINE_8);
         }
-        cv::imshow(windowName, data->images[data->frameNum]);
+        cv::imshow(windowName, curr);
     }
 
     bool playback::seekFrame(std::size_t frameNum) {
diff --git a/src/ui.cc b/src/ui.cc
index 9b24815..3940955 100644
--- a/src/ui.cc
+++ b/src/ui.cc
@@ -36,20 +36,24 @@ namespace frontend {
                     case 32: // Space pauses
                         data->play = ! data->play;
                         break;
-                    case 65361: // Left seeks backward 1 frame
+                    case 104:
+                    case 65361: // Left seeks backward 1 frame (or h)
                         data->pb->seekFrame(data->pb->getFrame() - 1);
                         break;
-                    case 65362: // Up seeks backward 1 second
+                    case 100:
+                    case 65362: // Up seeks backward 1 second (or d)
                         if(data->pb->getTime() < 1) {
                             data->pb->seekTime(data->pb->getTime() * -1);
                         } else {
                             data->pb->seekTime(data->pb->getTime() - 1);
                         }
                         break;
-                    case 65363: // Right seeks forward 1 frame
+                    case 116:
+                    case 65363: // Right seeks forward 1 frame (or t)
                         data->pb->seekFrame(data->pb->getFrame() + 1);
                         break;
-                    case 65364: // Down seeks forward 1 second
+                    case 110:
+                    case 65364: // Down seeks forward 1 second (or n)
                         data->pb->seekTime(data->pb->getTime() + 1);
                         break;
                     case 117: // u undoes
@@ -74,9 +78,9 @@ namespace frontend {
     }
 
     backend::label* getCurrentRectLabel(ui_impl *data) {
-        auto labs = data->llr->getEditableLabels();
+        auto &labs = data->llr->getEditableLabels();
         for(auto rit = labs.rbegin(); rit != labs.rend(); rit++) {
-            if(rit->location.nonzero()) {
+            if(rit->location.nonzero() && rit->time <= data->pb->getTime()) {
                 return &(*rit);
             }
         }
@@ -106,8 +110,8 @@ namespace frontend {
                 data->llr->applyLabel(name, time);
                 lab = &data->llr->getEditableLabels().back();
             }
-            lab->location.x1 = x;
-            lab->location.y1 = y;
+            lab->location.x1 = lab->location.x2 = x;
+            lab->location.y1 = lab->location.y2 = y;
         } else if(event == cv::EVENT_LBUTTONUP) {
             // Mouse is no longer down
             mouseDown = false;
@@ -115,7 +119,7 @@ namespace frontend {
             // If the mouse is down, update x2 and y2 of current window
             if(mouseDown) {
                 auto lab = getCurrentRectLabel(data); // It will be valid! TODO: Will it?
-                std::cout << "Updating location from " << lab->location.x2 << ", " << lab->location.y2 << " to " << x << ", " << y << "\n";
+                //std::cout << "Updating location from " << lab->location.x2 << ", " << lab->location.y2 << " to " << x << ", " << y << "\n";
                 lab->location.x2 = x;
                 lab->location.y2 = y;
             }
-- 
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