Python Tkinter – Canvas

 Python Tkinter – Canvas

C = Canvas(root, height, width, bd, bg, ..)

• root = root window.
• height = height of the canvas widget.
• width = width of the canvas widget.
• bg = background colour for canvas.
• bd = border of the canvas window.
• scrollregion (w, n, e, s)tuple defined as a region for scrolling left, top, bottom and right.
• highlightcolor colour shown in the focus highlight.
• cursor It can be defined as a cursor for the canvas which can be a circle, a do, an arrow etc.
• confine decides if canvas can be accessed outside the scroll region.
• relief type of the border which can be SUNKEN, RAISED, GROOVE and RIDGE. 

from tkinter import *

root = Tk()

C = Canvas(root, bg="yellow",

height=250, width=300)

line = C.create_line(108, 120,

320, 40,

fill="green")

arc = C.create_arc(180, 150, 80,

210, start=0,

extent=220,

fill="red")

oval = C.create_oval(80, 30, 140,

150,

fill="blue")

C.pack()

mainloop()

from tkinter import *

root = Tk()

# Create Title

root.title( "Paint App ")

# specify size

root.geometry("500x350")

# define function when

# mouse double click is enabled

def paint( event ):

# Co-ordinates.

x1, y1, x2, y2 = ( event.x - 3 ),( event.y - 3 ), ( event.x + 3 ),( event.y + 3 )

# Colour

Colour = "#000fff000"

# specify type of display

w.create_line( x1, y1, x2,

y2, fill = Colour )

# create canvas widget.

w = Canvas(root, width = 400, height = 250)

# call function when double

# click is enabled.

w.bind( "<B1-Motion>", paint )

# create label.

l = Label( root, text = "Double Click and Drag to draw." )

l.pack()

w.pack()

mainloop()