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dotCooCoo
08e1b7af80
A trace made away from its command (the background trace, #3098) counted as current when the object, its image record and the settings were unchanged, without looking at the image data. When other pixels came to sit under the same image key (Rasterize after an undo reuses the key and the id, Update Link, a replaced blob), the finished trace applied its old paths to the new image. The trace's inputs now include the encoded bytes it decodes, compared by allocation first and then by content. TraceRun::current and the hand-off in imageTrace.make and imageTrace.makeAndExpand both use them, so a stale trace is dropped and the command traces the pixels there now. Equal bytes in another allocation still count as the same image.