From a0cac315d63debcaa5e86d8daca2456548d42dd8 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Wed, 30 Aug 2023 13:57:44 +0200
Subject: Improving drawing features to allow fine tuning thru JSON
 configuration file.

---
 src/argaze/GazeAnalysis/DeviationCircleCoverage.py |  8 ++--
 src/argaze/GazeAnalysis/FocusPointInside.py        | 43 ++++++++++++++++++++++
 2 files changed, 48 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/argaze/GazeAnalysis/DeviationCircleCoverage.py b/src/argaze/GazeAnalysis/DeviationCircleCoverage.py
index d4fae2a..f938a3c 100644
--- a/src/argaze/GazeAnalysis/DeviationCircleCoverage.py
+++ b/src/argaze/GazeAnalysis/DeviationCircleCoverage.py
@@ -95,6 +95,8 @@ class AOIMatcher(GazeFeatures.AOIMatcher):
             draw_matched_fixation_positions: GazeMovement.draw_positions parameters (if None, no fixation is drawn)
             draw_matched_region: AOIFeatures.AOI.draw parameters (if None, no matched region is drawn)
             draw_looked_aoi: AOIFeatures.AOI.draw parameters (if None, no looked aoi is drawn)
+            looked_aoi_name_color: color of text (if None, no looked aoi name is drawn)
+            looked_aoi_name_offset: ofset of text from the upper left aoi bounding box corner
         """
 
         if self.__matched_gaze_movement:
@@ -114,9 +116,6 @@ class AOIMatcher(GazeFeatures.AOIMatcher):
                 # Draw matched aoi
                 if self.looked_aoi.all() != None:
 
-                    # BAD: we use deviation_max attribute which is an atttribute of DispersionThresholdIdentification.Fixation class
-                    matched_region, aoi_ratio, circle_ratio = self.looked_aoi.circle_intersection(self.__matched_gaze_movement.focus, self.__matched_gaze_movement.deviation_max)
-
                     # Draw looked aoi if required
                     if draw_looked_aoi:
 
@@ -125,6 +124,9 @@ class AOIMatcher(GazeFeatures.AOIMatcher):
                     # Draw matched region if required
                     if draw_matched_region:
 
+                        # BAD: we use deviation_max attribute which is an atttribute of DispersionThresholdIdentification.Fixation class
+                        matched_region, _, _ = self.looked_aoi.circle_intersection(self.__matched_gaze_movement.focus, self.__matched_gaze_movement.deviation_max)
+
                         matched_region.draw(image, **draw_matched_region)
 
                     # Draw looked aoi name if required
diff --git a/src/argaze/GazeAnalysis/FocusPointInside.py b/src/argaze/GazeAnalysis/FocusPointInside.py
index d3073b5..2ac4411 100644
--- a/src/argaze/GazeAnalysis/FocusPointInside.py
+++ b/src/argaze/GazeAnalysis/FocusPointInside.py
@@ -29,6 +29,7 @@ class AOIMatcher(GazeFeatures.AOIMatcher):
         """Init looked aoi data."""
 
         self.__looked_aoi_data = (None, None)
+        self.__matched_gaze_movement = None
 
     def match(self, aoi_scene, gaze_movement, exclude=[]) -> Tuple[str, AOIFeatures.AreaOfInterest]:
         """Returns AOI containing fixation focus point."""
@@ -42,12 +43,54 @@ class AOIMatcher(GazeFeatures.AOIMatcher):
                     # Update looked aoi data
                     self.__looked_aoi_data = (name, aoi)
 
+                    # Update matched gaze movement
+                    self.__matched_gaze_movement = gaze_movement
+
                     return self.__looked_aoi_data
 
         elif GazeFeatures.is_saccade(gaze_movement):
 
             self.__post_init__()
 
+    def draw(self, image: numpy.array, draw_matched_fixation: dict = None, draw_matched_fixation_positions: dict = None, draw_looked_aoi: dict = None, looked_aoi_name_color: tuple = None, looked_aoi_name_offset: tuple = (0, 0)):
+        """Draw matching into image.
+        
+        Parameters:
+            draw_matched_fixation: Fixation.draw parameters (which depends of the loaded gaze movement identifier module, if None, no fixation is drawn)
+            draw_matched_fixation_positions: GazeMovement.draw_positions parameters (if None, no fixation is drawn)
+            draw_looked_aoi: AOIFeatures.AOI.draw parameters (if None, no looked aoi is drawn)
+            looked_aoi_name_color: color of text (if None, no looked aoi name is drawn)
+            looked_aoi_name_offset: ofset of text from the upper left aoi bounding box corner
+        """
+
+        if self.__matched_gaze_movement:
+
+            if GazeFeatures.is_fixation(self.__matched_gaze_movement):
+
+                # Draw matched fixation if required
+                if draw_matched_fixation:
+
+                    self.__matched_gaze_movement.draw(image, **draw_matched_fixation)
+                
+                # Draw matched fixation positions if required
+                if draw_matched_fixation_positions:
+
+                    self.__matched_gaze_movement.draw_positions(image, **draw_matched_fixation_positions)
+
+                # Draw matched aoi
+                if self.looked_aoi.all() != None:
+
+                    # Draw looked aoi if required
+                    if draw_looked_aoi:
+
+                        self.looked_aoi.draw(image, **draw_looked_aoi)
+
+                    # Draw looked aoi name if required
+                    if looked_aoi_name_color:
+
+                        top_left_corner_pixel = numpy.rint(self.looked_aoi.bounding_box[0]).astype(int) + looked_aoi_name_offset
+                        cv2.putText(image, self.looked_aoi_name, top_left_corner_pixel, cv2.FONT_HERSHEY_SIMPLEX, 1, looked_aoi_name_color, 1, cv2.LINE_AA)
+
     @property
     def looked_aoi(self) -> AOIFeatures.AreaOfInterest:
         """Get most likely looked aoi for current fixation (e.g. the aoi with the highest coverage mean value)"""
-- 
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