Python Tkinter Canvas
In this tutorial, we will learn about Python Tkinter Canvas. Python Tkinter Canvas allows us to add graphics in our Python application. With the help of Tkinter Canvas, we can draw lines, circles, add images and other widgets. Furthermore, we can draw graphs and plots with the help of Tkinter Canvas. Let’s start with a small example Here we will try to draw a line in =Tkinter Canvas. We will provide a total of four coordinates mean a total of four integer values like this(x1,y1) and (x2,y2).
Syntax to add Python Tkinter Canvas:
w = Canvas (master, options)
- master: This represents the parent window.
- options: Here is the list of most commonly used options for this widget.
Example to Draw a line in Tkinter Canvas
from tkinter import * mainWindow = Tk() #Setting height and width of canvas canvasWindow = Canvas(mainWindow, width=200, height=200) canvasWindow.pack() #Getting mid of canvas vertically screenMid = int(200 / 2) # creating line in cavas using create_line method canvasWindow.create_line(0, screenMid, 200, screenMid, fill="#333") mainloop()
Here you can see how we can create a simple line using create_line method in Tkinter Canvas. Here we draw a horizontal line. I will recommend you to draw a vertical line by yourself. It will help you to understand this create_line method. Let’s move to the next example. In the next example, we will learn how we can create a rectangle in our Tkinter Canvas.
Example to Draw a rectangle in Python Tkinter Canvas
from tkinter import * mainWindow = Tk() #Setting height and width of canvas canvasWindow = Canvas(mainWindow, width=300, height=200) canvasWindow.pack() # creating line in cavas using create_line method canvasWindow.create_rectangle(50, 50, 250, 150, fill="red") mainloop()
Various Possible Options in Python Tkinter Canvas
|bd||This option we can use to set border width of the canvas in pixels. By default width is 2px.|
|bg||This option we can use to set the background colour of the canvas.|
|confine||This option we can use to make canvas un scrollable.|
|height||This option we can use to set the height of the canvas.|
|relief||This option we can use to set border type. The possible types are SUNKEN, RAISED, GROOVE, and RIDGE.|
|width||This option we can use to set width of canvas.|
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