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tk_canvas.py
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tk_canvas.py
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import os
import sys
import argparse
from Tkinter import *
from PIL import Image, ImageTk
from ttk import Frame, Style
from collections import OrderedDict
import imagefeed
import imagefilefeed
class Main(Frame):
def __init__(self, parent, img_path, res_path):
Frame.__init__(self, parent)
self.parent = parent
self.image_feed = imagefeed.ImageFeed(imagefilefeed.FileFeed(img_path, res_path))
self.image = None
self.canvas = None
self.keypoints = OrderedDict()
self.x = self.y = 0
self.start_x = None
self.start_y = None
self.end_x = None
self.end_y = None
self.rect = None
self.initUI()
self.resetCanvas()
def initUI(self):
self.style = Style()
self.style.theme_use("default")
self.pack(fill=BOTH, expand=1)
#create canvas
self.canvas = Canvas(self, width=500, height=500)
self.canvas.pack()
vcmd = (self.register(self.check_string))
#add img height width labels
self.add_label("IMG_WIDTH", 10, 350)
self.img_wid = StringVar()
self.wid = Entry(self, width=6, validate='all', validatecommand=(vcmd, '%P'), textvariable=self.img_wid, state="readonly")
self.wid.place(x=90, y=350)
self.add_label("IMG_HEIGHT", 10, 370)
self.img_hei = StringVar()
self.hei = Entry(self, width=6, textvariable=self.img_hei, state="readonly")
self.hei.place(x=90, y=370)
# add x, y labels
self.add_label("start x", 160, 350)
self.input_x = StringVar()
self.x_entry = Entry(self, width=6, textvariable=self.input_x, state="readonly")
self.x_entry.place(x=220, y=350)
self.add_label("start y", 160, 370)
self.input_y = StringVar()
self.y_entry = Entry(self, width=6, textvariable=self.input_y, state="readonly")
self.y_entry.place(x=220, y=370)
# add keypoint buttons
self.add_button("nose", 10, 400)
self.add_button("neck", 70, 400)
self.add_button("eye_l", 10, 430)
self.add_button("eye_r", 70, 430)
self.add_button("ear_l", 160, 430)
self.add_button("ear_r", 220, 430)
self.add_button("sho_l", 10, 460)
self.add_button("sho_r", 70, 460)
self.add_button("elb_l", 160, 460)
self.add_button("elb_r", 220, 460)
self.add_button("wri_l", 10, 490)
self.add_button("wri_r", 70, 490)
self.add_button("hip_l", 160, 490)
self.add_button("hip_r", 220, 490)
self.add_button("kne_l", 10, 520)
self.add_button("kne_r", 70, 520)
self.add_button("ank_l", 160, 520)
self.add_button("ank_r", 220, 520)
b4 = Button(self, text="show all", anchor=NW, relief=RAISED)
b4.configure(command=lambda arg=b4:self.showAll(arg), width=5, activebackground="#33B5E5")
b4.place(x=160, y=400)
nextButton = Button(self, text="Save & Next", anchor=NW)
nextButton.configure(command=lambda arg=nextButton:self.next(arg))
nextButton.place(x=10, y=550)
backButton = Button(self, text="prev Img", anchor=NW)
backButton.configure(command=lambda arg=backButton:self.back(arg))
backButton.place(x=160, y=550)
b5 = Button(self, text="Crop & Load", anchor = NW, relief=RAISED)
b5.configure(command=self.crop_and_load, width=8, activebackground="#33B5E5")
b5.place(x=10, y=590)
button = Button(self, text="Quit", command=self.quit, anchor=NW)
button.configure(width=4, activebackground="#33B5E5", relief=RAISED)
button.place(x=160, y=590)
#bindings related to drawing a dot and removing it
self.canvas.bind("<ButtonPress-1>", self.paint)
self.canvas.tag_bind("mark", '<ButtonRelease-2>', self.remove)
#bindings related to draw a rect
self.canvas.bind("<ButtonPress-3>", self.on_button_press)
self.canvas.bind("<B3-Motion>", self.on_move_press)
self.canvas.bind("<ButtonRelease-3>", self.on_button_release)
#bindings related to chages in entries
self.x_entry.bind('<Return>', self.callback)
self.y_entry.bind('<Return>', self.callback)
self.wid.bind('<Return>', self.callback)
self.hei.bind('<Return>', self.callback)
self.bind_all('<Control-Key-o>', self.new)
def new(self, event):
print " working"
#print event
def check_string(self, p):
if str.isdigit(p) or p == '\r' or p == "":
return True
else:
return False
def reset_entries(self):
self.input_x.set(self.start_x)
self.input_y.set(self.start_y)
self.img_wid.set(self.end_x - self.start_x)
self.img_hei.set(self.end_y - self.start_y)
def callback(self, event):
if self.img_wid.get() == "" or self.img_hei.get() == "" \
or self.input_x.get() == "" or self.input_y.get() == "":
self.reset_entries()
print "not valid numbers"
return
if int(self.img_wid.get()) + int(self.input_x.get()) > self.image.width():
self.reset_entries()
print "not valid numbers"
return
if int(self.img_hei.get()) + int(self.input_y.get()) > self.image.height():
self.reset_entries()
print "not valid numbers"
return
self.start_x = int(self.input_x.get())
self.start_y = int(self.input_y.get())
self.end_x = int(self.img_wid.get()) + self.start_x
self.end_y = int(self.img_hei.get()) + self.start_y
self.canvas.coords(self.rect, self.start_x, self.start_y, self.end_x, self.end_y)
pass
def add_label(self, text, x1, y1):
l = Label(self, text=text)
l.place(x=x1, y=y1)
def add_button(self, key, x1, y1):
b = Button(self, text=key, anchor=NW, relief=RAISED)
b.configure(command=lambda arg=b:self.map(key,arg), width=4, activebackground="#33B5E5")
b.place(x=x1, y=y1)
def next(self, widget):
"""saves current and advances to next image"""
self.clearButton(widget)
self.image_feed.resultFile(self.keypoints)
self.image_feed.nextImage()
self.reset()
#self.photo = self.image_feed.returnTkImage()
#self.canvas.itemconfig(self.image_on_canvas, image=self.photo)
def back(self, widget):
"""goes back to previous image"""
#self.image_feed.resultFile(self.keypoints)
self.clearButton(widget)
self.image_feed.prevImage()
self.reset()
def resetCanvas(self):
"""Reset all canvas element without advancing forward"""
self.image = self.image_feed.returnTkImage()
self.canvas.create_image(0, 0, image=self.image, anchor="nw")
self.canvas.configure(height=self.image.height(), width=self.image.width() * 2 + 20)
self.canvas.place(x = 0, y=0, height=self.image.height(), width=self.image.width() * 2 + 20)
self.keypoints = self.image_feed.returnKeypoints()
self.showAll(None)
# display another image calling draw limbs
self.reload_canvas_image()
self.img_wid.set(str(self.image.width()))
self.img_hei.set(str(self.image.height()))
self.wid.configure(state="readonly")
self.hei.configure(state="readonly")
self.input_x.set("")
self.input_y.set("")
self.x_entry.configure(state="readonly")
self.y_entry.configure(state="readonly")
#print self.keypoints
def reset(self):
"""Removes all drawings on the canvas so user can start over on same image"""
self.canvas.delete("all")
self.rect = None
self.resetCanvas()
def reload_canvas_image(self):
keypt_list = self.image_feed.returnKeypointList(self.keypoints)
# print 'keypt_list', keypt_list
self.image_feed.draw_limbs(keypt_list)
out_img = self.image_feed.returnOutputImage()
self.canvas.create_image(self.image.width()+20, 0, image=out_img, anchor="nw")
def crop_and_load(self):
if self.rect:
self.image_feed.crop_and_save(self.start_x, self.start_y, self.end_x, self.end_y)
self.reset()
def on_button_press(self, event):
# save the mouse drag start position
#self.start_x = self.canvas.canvasx(event.x)
#self.start_y = self.canvas.canvasy(event.y)
self.start_x = event.x
self.start_y = event.y
# change the state of wid, height enteries
self.wid.configure(state="normal")
self.hei.configure(state="normal")
# set the start_x and start_y coords
self.input_x.set(self.start_x)
self.input_y.set(self.start_y)
# change the state of x, y entries
self.x_entry.configure(state="normal")
self.y_entry.configure(state="normal")
# create rectange if not yet exist
if not self.rect:
self.rect = self.canvas.create_rectangle(self.x, self.y, 1, 1, outline='red', tag='cropped')
def on_move_press(self, event):
curX = self.canvas.canvasx(event.x)
curY = self.canvas.canvasy(event.y)
w, h = self.canvas.winfo_width(), self.canvas.winfo_height()
# expand the rectangle as you drag the mouse
self.canvas.coords(self.rect, self.start_x, self.start_y, curX, curY)
def on_button_release(self, event):
self.end_x = event.x
self.end_y = event.y
# set the img_wid and img_hei coords
self.img_wid.set(self.end_x - self.start_x)
self.img_hei.set(self.end_y - self.start_y)
# print self.start_x, self.start_y, event.x, event.y
pass
def paint(self, event):
global previously_clicked
if 'previously_clicked' in globals():
python_green = "#476042"
key = previously_clicked['text']
# allow user to mark keypoint only if
# any correponding key button is clicked
if key in self.image_feed.part_labels:
x1, y1 = (event.x - 1), (event.y - 1)
x2, y2 = (event.x + 1), (event.y + 1)
#remove the old keypoint first
self.canvas.delete(key)
self.canvas.create_oval(x1, y1, x2, y2, outline='yellow', width=5, tags=("mark", key))
self.keypoints[key][0], self.keypoints[key][1], self.keypoints[key][2] = self.canvas.canvasx(event.x), self.canvas.canvasy(event.y), 1
self.reload_canvas_image()
def remove(self, event):
self.canvas.delete('current&&mark')
def map(self, key, widget):
# print widget
python_green = "#476042"
self.modifyAppearance(widget)
for item in self.canvas.find_withtag("mark"):
self.canvas.delete(item)
x1, y1 = (self.keypoints[key][0] - 1), (self.keypoints[key][1] - 1)
x2, y2 = (self.keypoints[key][0] + 1), (self.keypoints[key][1] + 1)
self.canvas.create_oval(x1, y1, x2, y2, outline='yellow', width=5, tags=("mark", key))
def clearButton(self, widget):
global previously_clicked
if 'previously_clicked' in globals():
previously_clicked['bg'] = widget['bg']
previously_clicked['activebackground'] = widget['activebackground']
previously_clicked['relief'] = widget['relief']
def modifyAppearance(self, widget):
global previously_clicked
if 'previously_clicked' in globals():
previously_clicked['bg'] = widget['bg']
previously_clicked['activebackground'] = widget['activebackground']
previously_clicked['relief'] = widget['relief']
widget['bg'] = 'green'
widget['activebackground'] = '#33B5E5'
widget['relief'] = 'sunken'
previously_clicked = widget
def showAll(self, widget):
python_green = "#476042"
if widget is not None:
self.modifyAppearance(widget)
# first removing remaining marks
for item in self.canvas.find_withtag("mark"):
self.canvas.delete(item)
# creating the marks
for key, value in self.keypoints.items():
x1, y1 = (value[0] - 1), (value[1] - 1)
x2, y2 = (value[0] + 1), (value[1] + 1)
#print value[0], value[1]
self.canvas.create_oval(x1, y1, x2, y2, outline='yellow', width=5, tags=("mark", key))
def quit(self):
print "Exiting..."
sys.exit(-1)
def main():
root = Tk()
root.geometry("500x650+300+300")
#root['bg'] = "white"
obj = Main(root, args.img_dir, args.res_dir)
root.mainloop()
if __name__ == "__main__":
parser = argparse.ArgumentParser(prog='PROG', \
usage='%(prog)s <images_dir_to_annotate> <result_dir_for_imgs>')
parser.add_argument("img_dir", help="dir path for images to annotate/check")
parser.add_argument("res_dir", help="dir path to result files(.json) for images")
parser.add_argument("-f", "--file", help="file mode")
args = parser.parse_args()
if os.path.exists(args.img_dir) and os.path.exists(args.res_dir):
#obj = Main(args.img_dir, args.res_dir)
#print args.file
main()
else:
print "invalid paths passed as argument... exiting"
sys.exit(-1)