Lines on a tkinter.Canvas
Terry Reedy
tjreedy at udel.edu
Thu Jun 12 13:44:04 EDT 2014
On 6/12/2014 7:38 AM, Gregory Ewing wrote:
> Pedro Izecksohn wrote:
>> The Canvas' method create_line turns on at least 2 pixels. But I want
>> to turn
>> on many single pixels on a Canvas.
>
> You could try using a 1x1 rectangle instead.
>
> However, be aware that either of these will use quite a
> lot of memory per pixel. If you are drawing a very large
> number of pixels, this could cause performance problems.
Pedro, the tkinter canvas is a vector graphics canvas, not a bitmap
image canvas as in paint programs.
> In that case, you might want to use a different approach,
> such as creating an image and telling the canvas to display
> the image.
--
Terry Jan Reedy
More information about the Python-list
mailing list