Remove a line from GraphicsContext

[Gerrit Grunwald]

First it will be better using

gc.strokeLine(x1, y1, x2, y2);

To clear the line itself you could clear a rect around the line like

gc.clearRect(x1 - 1, y1 - 1, x2 + 1, y2 + 1);

Take a look at this Gist... https://gist.github.com/HanSolo/f25412352ff7ec5b9b53 <https://gist.github.com/HanSolo/f25412352ff7ec5b9b53>


> Am 04.02.2016 um 08:53 schrieb Bryan Buchanan <bryanb at webbtide.com>:
> 
> Don't know if this is correct mailing list.
> 
> If I have
> 
> gc.setStroke(Color.RED);
> gc.moveTo(x1, y1);
> gc.lineTo(x2, y2);
> gc.stroke();
> 
> and later I want to remove this line, how do I do that ?
> 
> I don't want to clear the whole the Canvas (in fact
> 
> gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
> 
> doesn't remove the line anyway).
> 
> Also, if I wanted to implement a blinking cursor on a Canvas, is there a
> neat way to do that ?
> 
> Thanks.