paint.net 5.1 beta build 8986

[Rick Brewster]

This is a hotfix for 5.1 beta build 8985 that should resolve the hangs related to having the rulers enabled.

 

I'm not 100% certain of this, but it appears to be due to the fact that the canvas is using DirectComposition, while the rulers are not. The fix (knock on wood) was to enable DirectComposition for the rulers as well. Windows doesn't seem to like having mixed presentation systems utilized within the same HWND hierarchy in this way.

 

Download and Install

This build is available via the built-in updater as long as you have opted-in to pre-release updates. From within Settings -> Updates, enable "Also check for pre-release (beta) versions of paint.net" and then click on the Check Now button. You can also use the links below to download an offline installer or portable ZIP.
 

 

You can also download the installer here (for any supported CPU and OS), which is also where you can find downloads for offline installers, portable ZIPs, and deployable MSIs.

 

[Rick Brewster]

@toe_head2001 note that this does not fix the input lag you've reported. I have a crazy idea on how to fix it, I'll be working on that next ...

[Rick Brewster]

The good news is that using DirectComposition for the rulers means it can take advantage of the same per-image GPU memory savings that the canvas uses. So now enabling rulers, and having multiple images open, will consume even less GPU memory.

[SpeedyFolf]

It works for a little bit, but still freezes, even when I turn rulers off.

[Rick Brewster]

Okay that's not good 😭 What in particular were you doing when it hung? Just moving the mouse, or drawing with a specific tool, or ... ?

 

Also, could you create and post another memory dump file? Instructions are here for quick access

[SpeedyFolf]

I do a bunch of paintbrush strokes. https://drive.google.com/file/d/14DxUixj6abssEWuJdB_qXDQlwYkit85f/view?usp=drive_link

[radsdau]

I couldn't break it- and I tried. A most definite improvement  Thanks Rick

[Rick Brewster]

Okay I got it to hang, and I think I know the fix.

 

Here's how I can get it to repro:

• Make sure the History, Layers, and Colors windows are open
• Also enable rulers. I don't think this is necessary, but I had them enabled.
• Make a selection (any selection) -- this ensures the canvas is regularly re-drawing itself because of the selection outline animation
• Switch to the paintbrush tool
• This can be the tough part depending on your keyboard layout: rapidly move the mouse around the canvas, while simultaneously pressing Ctrl+Shift+N (New Layer) repeatedly

This causes constant redrawing of the canvas, rulers, History window, and Layers window. The History window is not using DirectComposition, and seems to be causing the same type of issue as the hang in build 8985. (Colors is also not using DirectComposition, but shouldn't be redrawing anything during all of this)

[Rick Brewster]

As a temporary workaround, you can disable hardware acceleration in Settings -> Graphics. Be sure to re-enable it once I push out the next build, it should be in the morning (hopefully within 12 hours from when this comment is posted).

[_koh_]

Not hang-ups and such but

 

1. paint the image with black and white checker board.

2. select all black pixels with magic wand tool, flood mode = global.

3. select part of them with lasso select tool, selection mode = intersect.

 

By doing this, lasso select tool being very slow and doesn't work as intended.

I think this is by-effect of the recent changes.

[Tactilis]

3 hours ago, _koh_ said:

 

1. paint the image with black and white checker board.

2. select all black pixels with magic wand tool, flood mode = global.

3. select part of them with lasso select tool, selection mode = intersect.

 

By doing this, lasso select tool being very slow and doesn't work as intended.

 

Confirmed that 5.1 beta is much slower at step 3 than 5.0.13 to the extent that the lasso select does not capture all the mouse movements, so the final selection shape is incorrect.

 

For reference, in the tests below I started with a 1000 x 750 canvas and used Boltbait's Grid/Checkerboard plugin to create a 5 x 5 pixel black&white checkerboard.

Then at step 3, I moved the mouse quickly to select a (very approximate) 400 x 300 pixel square.

 

Here's the 5.0.13 lasso selection, which I've coloured red to make it easier to see:

 

 

 

Here's the 5.1 8986 Beta lasso selection. The red line represents my approx mouse movement.

 

 

NB It's possible that in the above test, I overshot with the mouse to the upper corner of the triangle - but then I'd have expected the selection to be as shown below, which I created using 5.1 8986 Beta by moving the mouse very slowly:

 

 

 

 

[_koh_]

Yeah, "the lasso select does not capture all the mouse movements".

Couldn't put this in English. haha.

[Win080811]

i just turn on and off the ruler option fast and sometimes the unfilled spaces displays black for a short time like milliseconds

i know this is just an old thing but fix this later

[Rick Brewster]

8 minutes ago, Win080811 said:

i just turn on and off the ruler option fast and sometimes the unfilled spaces displays black for a short time like milliseconds

i know this is just an old thing but fix this later

 

Yeah I have an issue on GitHub where I'm keeping track of some flickers and stale frames, I'll make sure that's on the list. The really big and nasty ones are all fixed, I believed, but there are still some smaller ones here and there.

 

Thanks!

[Rick Brewster]

Okay this new build should fix the hangs. I'll be looking into the other input lag/latency issues next.