122 lines
4.7 KiB
Python
122 lines
4.7 KiB
Python
import PIL.Image
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import PIL.ImageTk
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import tkinter as tk
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import os
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from constants import PROJECT_VIEW_NAME, FONT, PROJECTS_VIEW_NAME
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from gestures.gesture_recognition import MyVideoCapture
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from views.abstract_view import AbstractView
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class ProjectView(tk.Frame, AbstractView):
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def __init__(self, parent, controller, main_view_controller):
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tk.Frame.__init__(self, parent)
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self.token = ''
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self.window = controller
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self.main_view_controller = main_view_controller
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self.delay = 20
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self.canvas_width = 800
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self.canvas_height = 415
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self.start_draw = False
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self.vid = None
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self.vid_canvas = None
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self.canvas = None
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self.back_button = None
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self.clear_button = None
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self.save_button = None
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self.bottom_frame = None
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self.top_frame = None
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self.first_time=True
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@staticmethod
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def get_view_name() -> str:
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return PROJECT_VIEW_NAME
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def start(self):
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self.vid = MyVideoCapture()
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self.canvas_width = self.window.winfo_width()
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self.canvas_height = self.window.winfo_height() - 185
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self.top_frame = tk.Frame(self, relief=tk.RAISED, borderwidth=0)
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self.top_frame.pack(fill=tk.BOTH, side=tk.TOP)
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self.canvas = tk.Canvas(self.top_frame, width=self.canvas_width, height=self.canvas_height, bg="white")
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self.canvas.grid(row=0, column=0)
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self.bottom_frame = tk.Frame(self, relief=tk.RAISED, borderwidth=1)
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self.bottom_frame.pack(fill=tk.BOTH, side=tk.BOTTOM)
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self.bottom_frame.columnconfigure(0, weight=1)
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self.bottom_frame.columnconfigure(1, weight=1)
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self.bottom_frame.columnconfigure(2, weight=15)
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self.back_button = tk.Button(self.bottom_frame, text="Back", font=FONT,
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command=lambda: self.back_to_projects_view())
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self.back_button.grid(row=0, column=0, sticky=tk.SW, pady=10, padx=5)
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self.clear_button = tk.Button(self.bottom_frame, text="Clear", font=FONT,
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command=lambda: self.clear_canvas())
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self.clear_button.grid(row=0, column=1, sticky=tk.SW, pady=10, padx=5)
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self.save_button = tk.Button(self.bottom_frame, text="Save", font=FONT,
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command=lambda: self.save())
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self.save_button.grid(row=0, column=2, sticky=tk.SW, pady=10, padx=5)
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self.vid_canvas = tk.Canvas(self.bottom_frame, width=self.vid.width, height=self.vid.height)
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self.vid_canvas.grid(row=0, column=3, sticky=tk.E)
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self.update()
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def update(self):
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# Get a frame from the video source
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if self.vid is not None:
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fingers, frame, success = self.vid.get_frame()
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if fingers is not None:
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index_finger = fingers['index']
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start_stop = fingers['start_stop']
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if start_stop == 'start':
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print('start')
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self.start_draw = True
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self.first_time = True
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elif start_stop == 'stop':
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print('stop')
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self.start_draw = False
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self.first_time = False
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if self.start_draw and index_finger['straight']:
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x = index_finger['x']
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y = index_finger['y']
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x, y = self.scale_points(x, y)
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if self.first_time == True:
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self.previous_x = x
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self.previous_y = y
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self.first_time = False
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#print("first_time")
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self.canvas.create_line(x, y, x+1, y+1, self.previous_x, self.previous_y, tags='point', width=3)
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self.previous_x = x
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self.previous_y = y
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if success:
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self.photo = PIL.ImageTk.PhotoImage(image=PIL.Image.fromarray(frame))
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self.vid_canvas.create_image(0, 0, image=self.photo, anchor=tk.NW)
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self.window.after(self.delay, self.update)
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def back_to_projects_view(self):
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self.main_view_controller.show_frame(PROJECTS_VIEW_NAME)
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self.vid.release()
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self.destroy_widgets()
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def clear_canvas(self):
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self.canvas.delete('all')
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def save(self):
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self.canvas.postscript(file='image.eps')
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img = PIL.Image.open('image.eps')
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img.save('image.png', 'png')
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os.remove('image.eps')
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def destroy_widgets(self):
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self.vid = None
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self.top_frame.destroy()
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self.canvas.destroy()
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self.bottom_frame.destroy()
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self.vid_canvas.destroy()
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self.back_button.destroy()
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def scale_points(self, x, y):
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return x*self.canvas_width, y*self.canvas_height
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