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draw.py
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from tkinter import *
from PIL import ImageGrab, ImageTk, Image, ImageOps
import matplotlib.pyplot as plt
from matplotlib.collections import LineCollection
from matplotlib.figure import Figure
import io
import time
import torch
import torchvision.transforms as transforms
from models import Model_1, Full_Model
from tokenizer import LaTeXTokenizer
from data.parser import render_from_strokes, render_LC
from search import greedy, beam_search, bidirectional_search
USE_SIMPLE = True
device = 'cuda' if torch.cuda.is_available() else 'cpu'
tokenizer = LaTeXTokenizer()
if USE_SIMPLE:
tokenizer.id_to_token = {0: '[PAD]', 1: '[BOS]', 2: '[EOS]', 3: '[UNK]', 4: '{', 5: '}', 6: '_', 7: 'x', 8: '^', 9: ')', 10: '(', 11: '=', 12: '1', 13: 'i', 14: 't', 15: '2', 16: 'a', 17: 'r', 18: 'm', 19: '-', 20: '\\frac', 21: '0', 22: 'd', 23: 'n', 24: ',', 25: '+', 26: '\\\\', 27: '\\begin', 28: '\\end', 29: '|', 30: 'k', 31: '&', 32: 'f', 33: '\\int', 34: '\\sqrt', 35: '3', 36: 'y', 37: 'p', 38: '\\hat', 39: 'A', 40: 's', 41: ']', 42: '[', 43: '\\partial', 44: 'c', 45: 'e', 46: '\\tilde', 47: '.', 48: '/', 49: '4', 50: 'X', 51: 'b', 52: 'j', 53: 'P', 54: 'v', 55: 'C', 56: 'S', 57: 'g', 58: 'u', 59: 'R', 60: 'z', 61: 'T', 62: 'l', 63: '\\prime', 64: 'E', 65: 'N', 66: '\\overline', 67: 'F', 68: 'B', 69: 'L', 70: 'V', 71: '5', 72: 'o', 73: '\\mu', 74: 'q', 75: 'I', 76: '\\cdot', 77: 'M', 78: '\\alpha', 79: '\\pi', 80: 'H', 81: 'D', 82: '\\}', 83: '\\{', 84: '6', 85: 'h', 86: '\\in', 87: 'G', 88: '\\sum', 89: '\\lambda', 90: 'K', 91: '*', 92: '\\prod', 93: '<', 94: 'w', 95: '\\theta', 96: 'Q', 97: '\\sigma', 98: ':', 99: '\\infty', 100: 'U', 101: '\\omega', 102: 'Y', 103: '\\rho', 104: 'Z', 105: '\\rangle', 106: '\\beta', 107: '7', 108: '\\rightarrow', 109: '\\gamma', 110: '\\epsilon', 111: 'O', 112: '\\underline', 113: '\\phi', 114: '\\le', 115: '\\notin', 116: '\\varphi', 117: 'W', 118: '\\delta', 119: '\\psi', 120: '8', 121: '\\nu', 122: '>', 123: '\\vec', 124: '\\langle', 125: '\\Delta', 126: 'J', 127: '\\times', 128: '\\dot', 129: '\\Omega', 130: '!', 131: '\\tau', 132: '9', 133: '\\pm', 134: '\\chi', 135: '\\approx', 136: '\\eta', 137: ';', 138: '\\nabla', 139: '\\mathbb', 140: '\\xi', 141: '\\Phi', 142: '\\ge', 143: '\\Psi', 144: '\\Sigma', 145: '\\sim', 146: '\\zeta', 147: '\\circ', 148: '\\Gamma', 149: '\\ne', 150: '\\forall', 151: '\\Lambda', 152: '\\mapsto', 153: '\\otimes', 154: '\\hbar', 155: '\\cup', 156: '\\equiv', 157: '\\kappa', 158: '\\Pi', 159: '\\oplus', 160: '\\subset', 161: '\\cap', 162: '\\bigcup', 163: '\\subseteq', 164: '\\wedge', 165: '\\cong', 166: '\\neg', 167: '\\Theta', 168: '\\dagger', 169: '\\oint', 170: '\\Rightarrow', 171: '\\aleph', 172: '\\lfloor', 173: '\\rfloor', 174: '\\backslash', 175: '\\emptyset', 176: '\\perp', 177: '\\#', 178: '\\propto', 179: '\\%', 180: '\\simeq', 181: '\\vee', 182: '?', 183: '\\ll', 184: '\\Vdash', 185: '\\Xi', 186: '\\leftarrow', 187: '\\bigcap', 188: '\\longrightarrow', 189: '\\bullet', 190: '\\exists', 191: '\\iint', 192: '\\vdash', 193: '\\iff', 194: '\\top', 195: '\\|', 196: '\\bigoplus', 197: '\\odot', 198: '\\lceil', 199: '\\rceil', 200: '\\leftrightarrow', 201: '\\models', 202: '\\supseteq', 203: '\\bigwedge', 204: '\\varsigma', 205: '\\rightleftharpoons', 206: '\\angle', 207: '\\vdots', 208: '\\Leftrightarrow', 209: '\\subsetneq', 210: '\\iota', 211: '\\gg', 212: '\\ominus', 213: '\\supset', 214: '\\Upsilon', 215: '\\triangle', 216: '\\_'}
model = Model_1(vocab_size=217, d_model=256, nhead=8, dim_FF=1024, dropout=0, num_layers=3)
model.load_state_dict(torch.load(r'runs\Exp8E15End_Acc=0.6744208335876465.pt', map_location=device, weights_only=True))
else:
tokenizer.id_to_token = {0: '[PAD]', 1: '[BOS]', 2: '[EOS]', 3: '[UNK]', 4: '{', 5: '}', 6: '_', 7: '1', 8: ')', 9: '(', 10: '^', 11: '2', 12: '=', 13: '\\frac', 14: 'x', 15: '0', 16: '-', 17: 'i', 18: ',', 19: 'n', 20: 't', 21: 'a', 22: '+', 23: '3', 24: 'r', 25: '.', 26: 'm', 27: 'd', 28: '4', 29: '5', 30: '6', 31: 'k', 32: 's', 33: '7', 34: '8', 35: '9', 36: 'c', 37: 'p', 38: 'e', 39: '|', 40: 'f', 41: 'y', 42: '\\cdot', 43: '\\sqrt', 44: 'A', 45: 'b', 46: 'l', 47: 'o', 48: '[', 49: ']', 50: 'g', 51: '\\partial', 52: 'z', 53: 'j', 54: '/', 55: 'v', 56: 'X', 57: 'T', 58: 'R', 59: '&', 60: 'u', 61: 'P', 62: '\\\\', 63: 'S', 64: 'B', 65: 'C', 66: 'E', 67: '\\prime', 68: 'N', 69: '\\begin', 70: '\\end', 71: '\\alpha', 72: '\\int', 73: 'F', 74: 'V', 75: 'q', 76: '\\pi', 77: 'L', 78: 'h', 79: '\\sum', 80: 'M', 81: '\\theta', 82: '\\mu', 83: '\\in', 84: 'H', 85: 'I', 86: '\\hat', 87: 'D', 88: '\\rightarrow', 89: 'G', 90: '\\lambda', 91: '*', 92: '\\sigma', 93: '\\{', 94: ':', 95: '\\}', 96: 'w', 97: '\\overline', 98: '\\infty', 99: '\\mathbb', 100: 'K', 101: '\\beta', 102: '\\omega', 103: '\\rho', 104: '\\epsilon', 105: 'Z', 106: 'Q', 107: 'Y', 108: '\\le', 109: '\\gamma', 110: 'U', 111: '\\times', 112: '\\phi', 113: '\\rangle', 114: '\\Delta', 115: '<', 116: '\\tilde', 117: '\\psi', 118: '\\delta', 119: '\\nu', 120: 'W', 121: '\\tau', 122: 'O', 123: '\\varphi', 124: 'J', 125: '\\langle', 126: '\\vec', 127: '!', 128: '>', 129: '\\nabla', 130: '\\ge', 131: '\\prod', 132: '\\Omega', 133: ';', 134: '\\eta', 135: '\\Gamma', 136: '\\approx', 137: '\\xi', 138: '\\Phi', 139: '\\dot', 140: '\\pm', 141: '\\otimes', 142: '\\circ', 143: '\\wedge', 144: '\\equiv', 145: '\\hbar', 146: '\\chi', 147: '\\underline', 148: '\\zeta', 149: '\\kappa', 150: '\\ne', 151: '\\forall', 152: '\\Sigma', 153: '\\sim', 154: '\\subseteq', 155: '\\Psi', 156: '\\notin', 157: '\\cap', 158: '\\Lambda', 159: '\\mapsto', 160: '\\neg', 161: '\\cup', 162: '\\oplus', 163: '\\Rightarrow', 164: '\\dagger', 165: '\\vee', 166: '\\subset', 167: '\\backslash', 168: '\\rfloor', 169: '\\Pi', 170: '\\lfloor', 171: '\\|', 172: '\\Theta', 173: '\\exists', 174: '\\cong', 175: '\\emptyset', 176: '\\propto', 177: '\\perp', 178: '\\vdash', 179: '\\bigcup', 180: '\\bullet', 181: '\\simeq', 182: '\\leftarrow', 183: '\\aleph', 184: '\\%', 185: '\\vartheta', 186: '\\ll', 187: '\\#', 188: '\\oint', 189: '\\angle', 190: '\\top', 191: '\\leftrightarrow', 192: '\\bigoplus', 193: '\\iint', 194: '\\bigcap', 195: '\\vdots', 196: '\\lceil', 197: '\\rceil', 198: '\\iff', 199: '\\gg', 200: '\\odot', 201: '\\varpi', 202: '\\Leftrightarrow', 203: '\\models', 204: '\\longrightarrow', 205: '\\ominus', 206: '\\iota', 207: '?', 208: '\\upsilon', 209: '\\mp', 210: '\\Xi', 211: '\\varsigma', 212: '\\hookrightarrow', 213: '\\supseteq', 214: '\\supset', 215: '\\subsetneq', 216: '\\triangleq', 217: '\\bigwedge', 218: '\\div', 219: '\\Upsilon', 220: '\\Vdash', 221: '\\&', 222: '\\bigvee', 223: '\\ni', 224: '\\rightleftharpoons', 225: '\\triangle', 226: '\\_', 227: '\\not', 228: '\\bigcirc', 229: '\\sqsubseteq', 230: '\\triangleleft'}
model = Full_Model(vocab_size=231, d_model=256, nhead=8, dim_FF=1024, dropout=0, num_layers=3)
model.load_state_dict(torch.load(r'runs\Exp16E20.pt', map_location=device, weights_only=True))
transform = transforms.Compose([transforms.Resize((512, 384)),transforms.ToTensor()])
model.to(device)
class Paint(object):
DEFAULT_PEN_SIZE = 5.0
DEFAULT_COLOR = 'black'
def __init__(self):
self.root = Tk()
self.pen_button = Button(self.root, text='pen', command=self.use_pen)
self.pen_button.grid(row=0, column=0)
self.brush_button = Button(self.root, text='brush', command=self.use_brush)
self.brush_button.grid(row=0, column=1)
self.clear_button = Button(self.root, text='clear', command=self.clear)
self.clear_button.grid(row=0, column=2)
self.eraser_button = Button(self.root, text='eraser', command=self.use_eraser)
self.eraser_button.grid(row=0, column=3)
self.predict_button = Button(self.root, text='predict', command=self.predict)
self.predict_button.grid(row=0, column=4)
self.show_latex_button = Button(self.root, text='tex', command=self.show_hide_latex)
self.show_latex_button.grid(row=0, column=5)
self.choose_size_button = Scale(self.root, from_=5, to=20, orient=HORIZONTAL)
self.choose_size_button.grid(row=0, column=6)
self.width, self.height = self.root.winfo_screenwidth(), self.root.winfo_screenheight()
self.c = Canvas(self.root, bg='white', width=self.width, height=self.height)
self.c.grid(row=1, columnspan=7)
self.stroke, self.strokes = [], []
self.setup()
self.root.mainloop()
def setup(self):
self.root.attributes('-fullscreen', True)
self.old_x = None
self.old_y = None
self.line_width = self.choose_size_button.get()
self.color = self.DEFAULT_COLOR
self.eraser_on = False
self.active_button = self.pen_button
self.c.bind('<B1-Motion>', self.paint)
self.c.bind('<ButtonRelease-1>', self.reset)
self.root.bind("<Escape>", self.exit_fullscreen)
def exit_fullscreen(self, event=None):
self.root.attributes('-fullscreen', False)
self.root.quit()
def use_pen(self):
self.activate_button(self.pen_button)
def use_brush(self):
self.activate_button(self.brush_button)
def clear(self):
self.c.delete("all")
self.stroke = []
self.strokes = []
def use_eraser(self):
self.activate_button(self.eraser_button, eraser_mode=True)
def activate_button(self, some_button, eraser_mode=False):
self.active_button.config(relief=RAISED)
some_button.config(relief=SUNKEN)
self.active_button = some_button
self.eraser_on = eraser_mode
def paint(self, event):
self.line_width = self.choose_size_button.get()
paint_color = 'white' if self.eraser_on else self.color
if self.old_x and self.old_y:
self.c.create_line(self.old_x, self.old_y, event.x, event.y,
width=self.line_width, fill=paint_color,
capstyle=ROUND, smooth=TRUE, splinesteps=36)
self.old_x = event.x
self.old_y = event.y
x, y, t = self.old_x, -1*self.old_y, time.time()
self.stroke.append((x, y, t))
def reset(self, event):
self.old_x, self.old_y = None, None
self.strokes.append(self.stroke)
self.stroke = []
def predict(self):
screen = ImageGrab.grab(bbox=(0, 75, self.width*1.5, self.height*1.5))
if USE_SIMPLE:
latex_out = beam_search(screen, model, tokenizer, transform, device, 5, 0, 2, False)
#screen.show()
#latex_out = greedy(screen, transform, device, tokenizer, model)
self.render_latex(latex_out)
else:
screen = self.color_processing(self.strokes)
latex_out = bidirectional_search(screen, model, tokenizer, transform, device, 10, 0.7, 0.1)
self.render_latex(latex_out)
self.strokes = [] # Reset strokes
def render_latex(self, tex_string):
tex_string = "\\[" + str(tex_string) + "\\]"
plt.rcParams['text.latex.preamble'] = r'\usepackage{amsmath}'
print(f"latex string: {tex_string}")
plt.rc('text', usetex=True)
fig = Figure(figsize=(5, 5))
ax = fig.add_subplot(111)
ax.text(0.5, 0.5, tex_string, fontsize=50, ha='center', va='center')
ax.axis('off')
buf = io.BytesIO()
fig.savefig(buf, format='png')
buf.seek(0)
image = Image.open(buf)
image = ImageOps.expand(image, border=5, fill='black')
self.tk_image = ImageTk.PhotoImage(image)
self.image_id = self.c.create_image(200, 200, image=self.tk_image)
def show_hide_latex(self):
pass
def color_processing(self, strokes):
segments, colors = render_from_strokes(strokes, self.width, self.height)
_, ax = plt.subplots()
im = render_LC(ax, segments, colors)
return im
def bw_processing(self, strokes):
segments, _ = render_from_strokes(strokes, self.width, self.height)
_, ax = plt.subplots()
im = render_LC(ax, segments, 'black')
return im
if __name__ == '__main__':
Paint()