https://bugs.kde.org/show_bug.cgi?id=364183

elk...@yahoo.com changed:

           What    |Removed                     |Added
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                 CC|                            |elk...@yahoo.com

--- Comment #1 from elk...@yahoo.com ---
I can definitely confirm some very unusual behavior with Stabilizer smoothing
on Win 7 sp1 64-bit. I believe it started with Krita 3.0 da5496d. This does not
happen on Linux.

This is a bit long, but trying to describe a bug clearly can be surprisingly
difficult sometimes.

1: Make sure Stabilizer smoothing is active. Turn off 'Delay', this can make
what's happening a bit easier to see. 'Finish line' can either be on or off, it
doesn't seem to matter.

2: Create a new document

The next steps assume you are using a mouse

3: Somewhere in the middle of the image click & hold the left mouse button, do
not move the mouse while clicking & holding. 

4: The cursor will jump to the upper left corner, in other words image
coordinate [0,0] & a line will be drawn from your click point to [0,0]. 

5: When you release the left mouse button, the cursor will jump back to the
click point.

6: Move to a new position and this time after you click, hold, & the line is
drawn to [0,0], start moving the mouse to draw a stroke. 

7: The cursor will jump back to where you are drawing, creating a line from
[0,0] to the point where the cursor catches up with your brushstroke.

8: Release the mouse button & move a new position & do a click & hold again.
The end of the just drawn brushstroke is now the point that the cursor jumps
to.

While this is unwanted behavior for Stabilizer, I think the behavior itself,
with some tweaking & options, might be a very useful addition to the Line tool.

Perhaps a 'Click Drawing' on/off switch could be added. With options to 'Draw
to Specified Point' or 'Draw from Last Point to Current'

'Draw to Specified Point' would allow the user to set a coordinate for the
'draw to' point, via numeric entry or a UI widget on the canvas

'Draw from Last Point to Current' would in essence emulate Photoshop's
shift-click functionality for drawing straight lines on the fly. This would be
somewhat redundant given Krita's Polyline Tool, but the ability to do this on
fly, via the 'v' key, without having to switch tools is very appealing. Plus no
double-clicking or enter key required to finish drawing would streamline things
even more.

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