<https://forums.getpaint.net/topic/17805-tool-plugins/>
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"Hey, \nThis question is mainly for rick, but i guess if anyone has informations it's ok.  \nI've long thought about the limitation of effect plugins. \nI think, the actual system is pretty good when it's all about applying a function to a picture. \nBut  there's a whole kind of things that require interactivity that don't belong to that category, as it's not just about setting some parameters. \nIn this category, i've seen pyrochild's smudge plugin, and there are probably others existing, and even more which could be created. \nI can't stop thinking that such plugins would be better as tools, rather than open a new plugin window with the picture and let you edit the picture in this plugin window. \nAnother case would be a very simple inpainting technique i read about. It requires the users to draw 3 masks on the picture, then it can do it's job. (picture attached) \nI think it would be best as a tool, like you select the tool, then you can choose some mode in the tool's toolbar and work with it. \nSo I wanted to know if you had any plan to support some kind of tool plugin, in PDN 4? \n "
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