backend/class_def.py

import math
import numpy as np
class panel:
    def __init__(self,image,row_span,col_span,metadata=None):
       self.image = image
       self.row_span = row_span
       self.col_span = col_span
       self.metadata = metadata or {}


# class bubble:

#     def __init__(self,bubble_offset_x,bubble_offset_y,lip_x,lip_y,dialog):

#         bubble_width=200
#         bubble_height=94
#         tail_centre_x=100
#         tail_centre_y=47
#         self.dialog = dialog

#         self.bubble_offset_x = bubble_offset_x
#         self.bubble_offset_y = bubble_offset_y
        
#         temp = 0
#         angle = 0
#         try:
#             temp = math.degrees(math.atan((bubble_offset_y-lip_y) / (bubble_offset_x-lip_x)))
#         except ZeroDivisionError:
#             temp = 45

#         if(bubble_offset_y>lip_y):
#             # tail top
#             if(bubble_offset_x>lip_x):
#                 #tail left
#                 angle=180-temp
#             elif(bubble_offset_x<lip_x):
#                 #tail right
#                 angle=180-temp
#         elif(bubble_offset_y<=lip_y):
#             #tail bottom
#             if(bubble_offset_x>lip_x):
#                 #tail left
#                 angle=-temp
#             elif(bubble_offset_x<lip_x):
#                 #tail right
#                 angle=360-temp

#         print(angle)
#         tail_offset_x = None
#         tail_offset_y = None

#         self.tail_deg=angle

#         if(bubble_offset_y>lip_y):
#             # tail top
#             if(bubble_offset_x>lip_x):
#                 #tail left
#                 tail_offset_x=tail_centre_x-50
#                 tail_offset_y=tail_centre_y-23
#             elif(bubble_offset_x<lip_x):
#                 #tail right
#                 tail_offset_x=tail_centre_x+50
#                 tail_offset_y=tail_centre_y-23
#         elif(bubble_offset_y<=lip_y):
#             #tail bottom
#             if(bubble_offset_x>lip_x):
#                 #tail left
#                 tail_offset_x=tail_centre_x-50
#                 tail_offset_y=tail_centre_y+23
#             elif(bubble_offset_x<lip_x):
#                 #tail right
#                 tail_offset_x=tail_centre_x+50
#                 tail_offset_y=tail_centre_y+23

#         self.tail_offset_x = tail_offset_x
#         self.tail_offset_y = tail_offset_y

class bubble:

    def __init__(self,bubble_offset_x,bubble_offset_y,lip_x,lip_y,dialog,emotion):

        bubble_width=200
        bubble_height=94
        tail_centre_x=100
        tail_centre_y=47
        self.dialog = dialog
        self.emotion = emotion

        self.bubble_offset_x = bubble_offset_x
        self.bubble_offset_y = bubble_offset_y
        
        angle = 0
         
        print(f"lipx = {lip_x} and lipy = {lip_y}")
        # If lip wasn't detected

        if(lip_x==-1 and lip_y == -1):
            angle = 0
            self.tail_offset_x = None
            self.tail_offset_y = None
        else:
            dx = lip_x - bubble_offset_x
            dy = lip_y - bubble_offset_y
            angle = np.arctan2(dy, dx)
            print(angle)

            tail_offset_x = None
            tail_offset_y = None

            self.tail_deg=np.degrees(angle)

            self.tail_offset_x = 80 * np.cos(angle)
            self.tail_offset_y = 80 * np.sin(angle)


class Page:
    def __init__(self,panels,bubbles,metadata=None):
        self.panels = []
        self.bubbles = []
        self.metadata = metadata or {}

        for i in range(len(panels)):
            self.panels.append(panels[i].__dict__)
            if i < len(bubbles):
                self.bubbles.append(bubbles[i].__dict__)
            else:
                # Fallback placeholder bubble to keep indices aligned with panels
                self.bubbles.append({
                    'dialog': '((action-scene))',
                    'emotion': 'normal',
                    'bubble_offset_x': 0,
                    'bubble_offset_y': 0,
                    'tail_deg': 0,
                    'tail_offset_x': None,
                    'tail_offset_y': None
                })