Canvas Plus

V1.1.0

An improved Canvas widget for tkinter with more functionality to display graphical elements like lines or text.

Tkinter's Canvas widget has some limitations which are adressed in this package.

Simmilar to the default tkinter Canvas widget, e.g canvas.create_rectangle, other canvas objects can be created.

Availability

Option 1: Pip

Pip install this package

pip install CanvasPlus

Option 2: Github

Download a zip file containing all files.

git clone https://github.com/Luke-zhang-04/CanvasPlus.git

Usage

Usage is very simple, especially for those with experience using tkinter canvas.

Example:

#Imports
from tkinter import Tk, StringVar, DoubleVar
import math

#set up canvas
root = Tk()
canvas = CanvasPlus(root, width=800, height=800, background = "white")
canvas.pack()

#create circle function
canvas.create_circle(300, 300, 100, fill = "black", outline = "green", width = 3)

#create rounded rectangle function
canvas.create_round_rectangle(
    400, 400, 500, 500, radius = 75, fill = "blue", outline = "orange", width = 5
)   

#create arrow function and rotate it to by 310 degrees clockwise
arrow = canvas.create_arrow(600, 600, 50, 50, 150, 20, fill = "grey", outline = "black")
canvas.rotate(arrow, 600, 600, 310, unit="deg")

#create a rectangle and convert it to a polygon; then rotate it by pi/4 radians (45 degrees)
rect = canvas.create_rectangle(100, 100, 200, 200, fill = "#f7a8c6", width = 0)
rect = canvas.poly(rect)
canvas.rotate(rect, 150, 150, math.pi/4)

#create an entry and set it's default value
content = StringVar()
canvas.create_entry(0, 0, anchor = "nw", textvariable = content, fg = "blue", bg = "gold")
content.set("a default value")

#create button to print the value in the previously cretaed entry
canvas.create_button(
    5, 25, anchor = "nw", text = "button", width = 50, highlightbackground = "red",
    command = lambda e = content: print(e.get())
)

#create checkbutton and toggle it
_, checkbutton = canvas.create_checkbutton(
    5, 50, anchor = "nw", bg = "brown", fg = "white", text = "My Checkbutton"
)
checkbutton.toggle()

#create a label
canvas.create_label(
    5, 75, font = ("Times", "24"), fg = "black", bg = "green", text = "Hello World!", anchor = "nw"
)

#create a scale
canvas.create_scale(
    5, 100, anchor = "nw", bg = "yellow", activebackground = "gold", from_ = 0, to = 100
)

canvas.update()
canvas.mainloop()

For more information, head over the the wiki