![]() ![]() The idea is if i had an image in the background i can still see the image with the circle on top. Tk.Button(canvas, text="Text", command=text).pack(pady=10) Tk.Button(canvas, text="Rectangle", command=rectangle).pack() Tk.Button(canvas, text="Circle", command=circle).pack(pady=10) Im writing a simple 2D game engine using the HTML5 canvas. import tkinter as tkĬanvas.create_oval(x, y, x + diameter, y + diameter)Ĭanvas.create_rectangle(x, y, x + randint(10, 100), y + randint(10, 100))Ĭanvas.create_text(x, y, text=f"x=") Canvas - Fill a rectangle in all areas that are fully transparent. Window.mainloop()For drawing on a complex background my suggestion is make a big canvas and draw everything on the canvas, including things like buttons and labels if need be. Tk.Button(window, text="Circle", command=circle).pack() The opacity attribute controls the opacity of the canvas and its children. There is no difference I want to get the same effect in the picture. with self.canvas: Color(1, 1, 1) Rectangle(posself.pos, sizeself.size). Because of the animation, you need to clear the background of the top layer to transparent at the start of rendering every new frame. ![]() Syntax: abc.clearRect (x, y, width, height) Parameters: x, y: These parameter represents the top-left coordinate of the rectangular box. The program run but both the canvas and the rectangle are transparent in the same way. The clearRect () method of the Canvas 2D API which is used to erase the pixel in a rectangular area by setting the pixel color to transparent black (rgba (0, 0, 0, 0)). Window.title("Drawing Shapes on Button Press")Ĭ = tk.Canvas(window, width=100, height=100, background=window, bd=0, highlightthickness=0) the code is right, while editing I deleted some words. That will not solve the problem of drawing a canvas on a complex background, but it will work for your example. This article is part of a series of articles. The squares between gridlines are actual on-screen pixels. This article describes how to use it with Blazor Server-side. In the images below, the grid represents the canvas coordinate grid. You could inherit the window's background. The HTML Canvas element allows for Drawing. The easiest way to do this is using the clearRect () method. I cannot find a way to set the canvas background color to transparent. Clear the canvas Unless the shapes you'll be drawing fill the complete canvas (for instance a backdrop image), you need to clear any shapes that have been drawn previously. ![]()
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