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Generation of HTML is extremely fast, but compressing thousands of frames for wireframe animated GIFs can take a little while. Sharing bitmaps between threads required two changes: (1) bitmaps need to be "frozen" after being drawn; (2) you can't use Path because BackgroundWorker isn't a STAThread. You can, however, use a DrawingVisual / DrawingContext to do the rendering. Which is really what I should have been doing all along; I just didn't know the approach existed until I was forced to go looking for it. Also, we now do a "run finalizers" call before generating an animated GIF. Without it things explode after more than 10K GDI objects have been allocated. |
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GenAndAsm.xaml | ||
GenAndAsm.xaml.cs |