Practical Paint.NET highlights this powerful program's rich set of features and capabilities providing you the pathway for just about any kind of image editing. Practice files are provided with step-by-step instructions to jump into photo editing and art creation. You'll also learn how to create digital art using the Paint.NET drawing tools and effects. See how to correct exposure, digitally retouch and repair damaged photos, and handle a broad spectrum of photo editing tasks-even how to colorize a black-and-white image. You'll quickly become acquainted with this powerful, yet easy-to-learn program's features tools, layers, adjustments, and effects. Paint.NET is a lightweight yet capable program that's easy to navigate and is regularly updated. This book is ideal for PC users who find Microsoft Paint too lacking, and Photoshop or GIMP too overwhelming. Learn to use the most up-to-date version of Paint.NET, the free, Windows-based program for image editing.b_5() in D:\src\pdn\src\PaintDotNet\Menus\EffectMenuBase. End of inner exception stack trace -Īt () in D:\src\pdn\src\PaintDotNet\Effects\BackgroundEffectRenderer.cs:line 418Īt () in D:\src\pdn\src\PaintDotNet\Effects\BackgroundEffectRenderer.cs:line 374Īt () in D:\src\pdn\src\PaintDotNet\Effects\BackgroundEffectRenderer.cs:line 320Īt _Displa圜lass42_5. Name: ContentAwareFill.ContentAwareFillEffectĬopyright: Copyright © 2018 Nicholas Hayes (aka null54)įull error message: PaintDotNet.WorkerThreadException: Worker thread threw an exception -> System.NullReferenceException: Object reference not set to an instance of an object.Īt (Int32 value)Īt (Int32 pass, Func`1 abortCallback)Īt (Func`1 abortCallback)Īt (EffectConfigToken parameters, RenderArgs dstArgs, RenderArgs srcArgs)Īt () in D:\src\pdn\src\PaintDotNet\Effects\BackgroundEffectRenderer.cs:line 225 Getting errors when using lasso selected regions:įile: C:\Program Files\\Effects\ContentAwareFill.dll ![]() As null54 points out, there are many very useful algorithms that require the entire canvas be processed at once, not in randomly-ordered pieces. I certainly hope it will always work in OnSetRenderInfo. But at that point those things will be optional - great for multipass effects, and also great for effects where a different ROI "chunking" strategy is preferred. From there, additional classes will be provided which will take care of chunking of ROIs, parallelism, etc. Basically you'll be given an object to report progress through, and a simple ReadPixels() / WritePixels() interface. In a future version, I plan to redo the effect system to provide more control over execution and progress reporting type stuff. The guarantee at that point is that when IsCancelRequested flips to true that any "in-flight" OnRender() calls will be dis carded. ![]() You can be assured that calls to OnSetRenderInfo() and OnRender() will never overlap when drawn on a timeline.Īlso, in v3.5.2 I am adding an IsCancelRequested property that you can poll from within OnSetRenderInfo() or OnRender(). So, there is some "bracketing" that takes place. From there, each thread used for OnRender() has its own Clone() of the token. After that, parallelism ensues.Īlso, the token that is given to the effect is a Clone() of the one from the effect config dialog. The first ROI is always executed by itself. ![]() However, at this point (5 years later) it's safe to say:ġ) OnSetRenderInfo() will always be called first, and always by itself.Ģ) OnRender() will be called next. Fibers are never used anywhere.Īnd you're right that Paint.NET has a lot of "ambitious ambiguity" in the contract. ![]() NET is not a virtual machine or environment, so you are doing yourself a disservice by thinking that way.Īs a corollary, in Paint.NET you can be sure that a managed thread will not be "migrated" among native threads, or processes. The abstraction between "managed thread ID" and "native thread ID" mapping does exist, but it only matters if you are doing custom. NET threads will correspond to Win32 threads.
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