Joey Posted July 9, 2008 Share Posted July 9, 2008 This may actually be all the same bug, though I'm not sure of that. All following bugs are tested with antialiasing turned off, might work with AA enabled as well, though. When drawing a line, and then undoing it, the start pixel of the line remains, although it should have been undone with the line. Video: http://hypftier.de/temp/line-undo.avi When drawing a rectangle, some corners may disappear. Video: http://hypftier.de/temp/rect.avi When moving the mouse over a zoomed-in image, the exact pixel position of the cursor (in the picture, not on the screen) seems to jump in a 2×2 pixel square, seemingly random. This may be the cause for the aforementioned rectangle bug. Video: http://hypftier.de/temp/pixel.avi Another bug I observed when drawing lines: Sometimes, when drawing an exact diagonal line from bottom right to top left and moving the cursor (while drawing the line) one pixel to the left, the second pixel from the top left disappears. Hard to recreate, a sloppy video of it: http://hypftier.de/temp/line-pixel.avi Quote Link to comment Share on other sites More sharing options...
Rick Brewster Posted July 9, 2008 Share Posted July 9, 2008 When drawing a line, and then undoing it, the start pixel of the line remains, although it should have been undone with the line. Video: http://hypftier.de/temp/line-undo.avi I can't reproduce this. Quote The Paint.NET Blog: https://blog.getpaint.net/ Donations are always appreciated! https://www.getpaint.net/donate.html Link to comment Share on other sites More sharing options...
Myrddin Posted July 9, 2008 Share Posted July 9, 2008 I can't reproduce this.I can, and have in the past. Although, without an actual, solid reproduction - due to the intermittent nature of the fact - I have not mentioned it previously. I almost always have anti-aliasing active, too. Quote How to Save Your Images under Different File Types My dA Gallery Link to comment Share on other sites More sharing options...
Rick Brewster Posted July 9, 2008 Share Posted July 9, 2008 If I can get exact pixel coordinates to perform the errant drawing, that would probably help. Quote The Paint.NET Blog: https://blog.getpaint.net/ Donations are always appreciated! https://www.getpaint.net/donate.html Link to comment Share on other sites More sharing options...
Myrddin Posted July 10, 2008 Share Posted July 10, 2008 I feel this to be a lost cause... From the video I've provided below, going on a per-frame basis, I've been able to extrapolate these coordinates that experience this bug. A one pixel margin of error has to be expected, however I would bet my life on the vast majority of these. They are as follows: (start coordinate finish coordinate) 349,279 461,279 354,230 421,389 215,232 219,343 398,229 397,386 456,218 243,182 373,326 472,417 ---- With all this, though, you can revisit any of the coordinates and it will not work again. Nor has it to do with intervals, like after every five drawn lines the bug occurs; as can be seen from the video, elapsed time between them range from one second to over twenty, accounting for many drawings in between. As well, you will notice the random approach to my finding them, which only further solidifies my assumption that it is some random quirk - if such a thing exists. Two pixel line width, anti-aliased, zoom level of 200%. Video download from MediaFire - get it before they lose it Quote How to Save Your Images under Different File Types My dA Gallery Link to comment Share on other sites More sharing options...
Rick Brewster Posted July 10, 2008 Share Posted July 10, 2008 Hrmm. Yeah if you can find a definite, completely reliable repro ... I'd love to fix it. This would fall into the class of "data loss" bugs, which are always critical to fix. Unfortunately we may not find that repro until after 4.0 is done :? 8) Quote The Paint.NET Blog: https://blog.getpaint.net/ Donations are always appreciated! https://www.getpaint.net/donate.html Link to comment Share on other sites More sharing options...
Myrddin Posted July 10, 2008 Share Posted July 10, 2008 ...a definite, completely reliable repro...Only where the problem lies. Oh well, it is workable. I'm sure Joey is, and most definitely I, reassured to have somewhat of an answer to this. Quote How to Save Your Images under Different File Types My dA Gallery Link to comment Share on other sites More sharing options...
Joey Posted July 10, 2008 Author Share Posted July 10, 2008 Ok, some more stuff on the line-undo thing. I initially thought it might have been a problem with my mouse (kinda like double-click when only single-clicking) but using my trackpoint here at the notebook works, too. It does, however, only seem to work zoomed-in, not when at 100 % zoom level. This might indicate a relation to the jumping coordinates. It doesn't work always, though. However, the start pixel (or pixels with AA turned on) are already present when drawing the line, as in mouse button not yet released. And this pixel isn't removed by using undo. This can be observed by reducing alpha to 50 % -- the start of the line should be darker, then. Reproducible here about half of my tries (zoom level 2400 %). It seems to be easier to reproduce when zooming in as far as possible. Quote Link to comment Share on other sites More sharing options...
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