eqnToGraph.py

#test.py (drawing)
from PIL import ImageTk, Image, ImageDraw
import PIL
from tkinter import *
#simple.py (parsing)
import mathpix
import json
#sympytest.py (plot)
import sympy as sp
from sympy.plotting import plot
from sympy.parsing.sympy_parser import *
from sympy.parsing.latex import *


#DRAWING SECTION
width = 1000
height = 400
center = height//2
white = (255, 255, 255)
green = (0,128,0)


def paint(event):
    # python_green = "#476042"
    x1, y1 = (event.x - 1), (event.y - 1)
    x2, y2 = (event.x + 1), (event.y + 1)
    cv.create_oval(x1, y1, x2, y2, fill="black",width=5)
    draw.line([x1, y1, x2, y2],fill="black",width=5)

root = Tk()

# Tkinter create a canvas to draw on
cv = Canvas(root, width=width, height=height, bg='white')
cv.pack()

def save():
    filename = "../images/equation.jpg"
    image1.save(filename)

#def clear():
    #cv.delete("all")


# PIL create an empty image and draw object to draw on
# memory only, not visible
image1 = PIL.Image.new("RGB", (width, height), white)
draw = ImageDraw.Draw(image1)

# do the Tkinter canvas drawings (visible)
# cv.create_line([0, center, width, center], fill='green')

cv.pack(expand=YES, fill=BOTH)
cv.bind("<B1-Motion>", paint)

# do the PIL image/draw (in memory) drawings
# draw.line([0, center, width, center], green)

# PIL image can be saved as .png .jpg .gif or .bmp file (among others)
# filename = "my_drawing.png"
# image1.save(filename)
button=Button(text="save",command=save)
#button2 = Button(text="clear", command=clear)
#button2.pack()
button.pack()

root.mainloop()


#PARSING SECTION

r = mathpix.latex({
    'src': mathpix.image_uri('../images/equation.jpg'),
    'formats': ['latex_simplified']
})

#print(json.dumps(r, indent=4, sort_keys=True))
print(r['latex_simplified'])
latexToGraph = r['latex_simplified']



#GRAPHING SECTION

x, y, z, t = sp.symbols('x y z t')
k, m, n = sp.symbols('k m n', integer=True)
# f, g, h = sp.symbols('f g h', cls=Function)
#expr1 = parse_latex(r"x^{2}")


#sympy plotting stuff
p1 = plot(parse_latex(latexToGraph), show=False, title=latexToGraph, xlim=[-10, 10], ylim=[-10, 10])
#p2 = plot(expr2, 5, show=False)
#p1.extend(p2)
p1.show()