From 40c339f7f153537a419dade38fd7cbafa2d411ba Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Wed, 28 Jun 2023 15:29:44 +0200
Subject: Adding abstract draw method to GazeMovement class.

---
 src/argaze/GazeFeatures.py | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/argaze/GazeFeatures.py b/src/argaze/GazeFeatures.py
index 65afdf8..14d4f62 100644
--- a/src/argaze/GazeFeatures.py
+++ b/src/argaze/GazeFeatures.py
@@ -274,6 +274,11 @@ class GazeMovement():
             # Draw movement from start to next
             cv2.line(image, (int(start_gaze_position[0]), int(start_gaze_position[1])), (int(next_gaze_position[0]), int(next_gaze_position[1])), color, 1)
 
+    def draw(self, image: numpy.array, color):
+        """Draw gaze movement into image."""
+
+        raise NotImplementedError('draw() method not implemented')
+
 class UnvalidGazeMovement(GazeMovement):
     """Unvalid gaze movement."""
 
@@ -283,6 +288,10 @@ class UnvalidGazeMovement(GazeMovement):
 
         super().__init__([])
 
+    def draw(self, image: numpy.array, color):
+        
+        pass
+
 FixationType = TypeVar('Fixation', bound="Fixation")
 # Type definition for type annotation convenience
 
@@ -301,11 +310,6 @@ class Fixation(GazeMovement):
 
         raise NotImplementedError('merge() method not implemented')
 
-    def draw(self, image: numpy.array, color):
-        """Draw fixation into image."""
-
-        raise NotImplementedError('draw() method not implemented')
-
 def is_fixation(gaze_movement):
     """Is a gaze movement a fixation?"""
 
@@ -318,11 +322,6 @@ class Saccade(GazeMovement):
 
         super().__post_init__()
 
-    def draw(self, image: numpy.array, color):
-        """Draw saccade into image."""
-
-        raise NotImplementedError('draw() method not implemented')
-
 def is_saccade(gaze_movement):
     """Is a gaze movement a saccade?"""
 
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