From 529e8ac3ea24f0aec09162bdc3be369b28c382c5 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Wed, 13 Apr 2022 17:45:21 +0200
Subject: Adding a progress bar feature

---
 src/argaze/utils/MiscFeatures.py                   | 24 ++++++++++++++++++++++
 src/argaze/utils/__init__.py                       |  3 ++-
 .../utils/export_tobii_segment_aruco_rois.py       |  9 ++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 src/argaze/utils/MiscFeatures.py

diff --git a/src/argaze/utils/MiscFeatures.py b/src/argaze/utils/MiscFeatures.py
new file mode 100644
index 0000000..24f1791
--- /dev/null
+++ b/src/argaze/utils/MiscFeatures.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+
+# Print iterations progress
+def printProgressBar (iteration, total, prefix = '', suffix = '', decimals = 1, length = 100, fill = '█', printEnd = "\r"):
+    """Print iterations progress.  
+    Call in a loop to create terminal progress bar
+    @params:
+        iteration   - Required  : current iteration (Int)
+        total       - Required  : total iterations (Int)
+        prefix      - Optional  : prefix string (Str)
+        suffix      - Optional  : suffix string (Str)
+        decimals    - Optional  : positive number of decimals in percent complete (Int)
+        length      - Optional  : character length of bar (Int)
+        fill        - Optional  : bar fill character (Str)
+        printEnd    - Optional  : end character (e.g. "\r", "\r\n") (Str)
+    """
+    percent = ("{0:." + str(decimals) + "f}").format(100 * (iteration / float(total)))
+    filledLength = int(length * iteration // total)
+    bar = fill * filledLength + '-' * (length - filledLength)
+    print(f'\r{prefix} |{bar}| {percent}% {suffix}', end = printEnd)
+
+    # Print New Line on Complete
+    if iteration == total: 
+        print()
diff --git a/src/argaze/utils/__init__.py b/src/argaze/utils/__init__.py
index 1448ed6..262a0e2 100644
--- a/src/argaze/utils/__init__.py
+++ b/src/argaze/utils/__init__.py
@@ -1,4 +1,5 @@
 """
 .. include:: README.md
 """
-__docformat__ = "restructuredtext"
\ No newline at end of file
+__docformat__ = "restructuredtext"
+__all__ = ['MiscFeatures']
\ No newline at end of file
diff --git a/src/argaze/utils/export_tobii_segment_aruco_rois.py b/src/argaze/utils/export_tobii_segment_aruco_rois.py
index a192cf1..d28f887 100644
--- a/src/argaze/utils/export_tobii_segment_aruco_rois.py
+++ b/src/argaze/utils/export_tobii_segment_aruco_rois.py
@@ -9,6 +9,7 @@ from argaze import GazeFeatures
 from argaze.TobiiGlassesPro2 import TobiiEntities, TobiiVideo
 from argaze.ArUcoMarkers import *
 from argaze.RegionOfInterest import *
+from argaze.utils import MiscFeatures
 
 import numpy
 
@@ -86,6 +87,10 @@ def main():
         # Video and data replay loop
         try:
 
+            # print 0% progress
+            frame_count = 0
+            MiscFeatures.printProgressBar(frame_count, tobii_segment_video.get_frame_number(), prefix = 'Progress:', suffix = 'Complete', length = 100)
+
             # Iterate on video frames activating video / data synchronisation through vts data buffer
             for video_ts, video_frame in tobii_segment_video.frames(tobii_segment_data.vts):
 
@@ -147,6 +152,10 @@ def main():
                 # Write video
                 output_video.write(video_frame.matrix)
 
+                # Update Progress Bar
+                frame_count += 1
+                MiscFeatures.printProgressBar(frame_count, tobii_segment_video.get_frame_number(), prefix = 'Progress:', suffix = 'Complete', length = 100)
+
         # Exit on 'ctrl+C' interruption
         except KeyboardInterrupt:
             pass
-- 
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