Alok Joshi wrote:
> I am using Python 3.x
>
> I am unable to remove the border in a Canvas widget with bd=0 or
> borderwidth=0. Can someone please explain how one can do this?
>
> I give below my program
>
> class Avatar(Frame):
> def
>
__init__(self,parent=None,width=100,height=100,ovalness=1,bgFrameColor='Blue',bgCanvasColor='Black'):
> Frame.__init__(self,parent,width=width,height=height,bg=bgFrameColor)
> self.grid() #self.grid_propagate(0)
>
> self.width=width
> self.height=height
> self.ovalness=ovalness
> self.bgFrameColor=bgFrameColor
> self.bgCanvasColor=bgCanvasColor
>
>
self.canvas1=Canvas(self,width=width/2,height=height/2,bg=bgCanvasColor,borderwidth=0)
> self.canvas1.grid(row=0,column=0,ipadx=0,ipady=0,padx=0,pady=0)
> self.canvas1.grid_propagate(0)
>
self.canvas2=Canvas(self,width=width/2,height=height/2,bg=bgCanvasColor,borderwidth=0)
> self.canvas2.grid(row=1,column=1,ipadx=0,ipady=0,padx=0,pady=0)
> self.canvas2.grid_propagate(0)
>
> self.draw()
> def draw(self):
> pass
>
> if __name__=='__main__':
> root=Tk()
> x=Avatar(parent=root)
> x.mainloop()
>
> when I run this program I can see a gray border on the two canvas objects.
After some experimentation I could identify "highlightthickness" as the
culprit:
import Tkinter as tk
root = tk.Tk()
frame = tk.Frame(root, bg="yellow")
frame.pack(fill="both", expand=True)
for i in range(2):
canvas = tk.Canvas(frame, width=100, height=100, highlightthickness=0,
bg="black")
canvas.grid(row=i, column=i)
root.mainloop()
To get there I usually throw something like
print list(canvas).config())
and look for promising candidates.
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