Updated About the IMGUI paradigm (markdown)
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**This is an attempt at explaining what the IMGUI paradigm stands for, and what it could be**.
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Proponent of the IMGUI paradigm have noticed it was that over and over widely misunderstood.
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Proponent of the IMGUI paradigm have noticed that it was widely misunderstood, over and.
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As of Feb 2021, even the [IMGUI Wikipedia page](https://en.wikipedia.org/wiki/Immediate_mode_GUI) is completely off the mark. There are reasons for that:
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- the acronym may be misleading in the first place?
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- the acronym may be misleading?
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- people didn't do a good job enough explaining or documentation what IMGUI means?
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- they are different interpretation of what IMGUI means?
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- many popular IMGUI implementation have made similar design choices, making it more confusing what is actually the soul and backbone of the IMGUI paradigm vs a set of implementation choices.
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- many popular IMGUI implementation have made similar design choices, making it more confusing what is actually the soul and backbone of the IMGUI paradigm vs a set of implementation choices. In other words, many things haven't been thoroughly explored.
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- the naming and success of "Dear ImGui" blurred the line a little bit further (should have used another name).
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### History
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@ -19,14 +19,12 @@ The acronym IMGUI was coined by Casey Muratori in this video in 2005:
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### Do we need a definition?
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Nowadays I am starting to believe that the term has caused more harm than benefit,
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because it suggests there are two camps "IMGUI" vs "RMGUI".
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The reality is there is a continuum of possibilities over multiple orthogonal axises.
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The term effectively has dumbed down the discourse. The fact that we are even trying to put an official definition to a label is dumbing down the discourse and hindering people's imagination about the many possible areas of researches to be done in UI.
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_"I kind of wish there was more radical experimentation in this space"_ [tweet](https://twitter.com/pervognsen/status/1361241939593416705)
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Nowadays I am starting to believe that the term has caused more harm than benefits, because it suggests there are two camps "IMGUI" vs "RMGUI". The reality is there is a continuum of possibilities over multiple unrelated axises. Many of them haven't been explored enough, as popular IMGUI libraries have been designed for certain needs and not others.
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The existence of those two terms effectively has hindered both discussions and researchs. The fact that we are even trying to put an official definition to a label is hindering people's imagination about the many possible areas of researches to be done in UI space.
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### Half of a definition
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@ocornut's attempt for a definition (WIP, 2021)
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@ -36,8 +34,8 @@ _"I kind of wish there was more radical experimentation in this space"_ [tweet](
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- The interface tries to minimize the UI library having to retain data from the app/programmer.
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This is in comparison with typical RMGUI which:
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- Often have the app/programmer to retain lots of artifacts from the UI library (references/objects)
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- Often have the UI library retain app/programmer data in widgets, requiring synchronization mechanism.
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- Often have the app/programmer to retain lots of artifacts from the UI library (e.g. create objects, maintain references).
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- Often have the UI library retain app/programmer data in widgets, requiring synchronization mechanisms.
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What it doesn't stands for:
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@ -51,7 +49,7 @@ What it doesn't stands for:
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- IMGUI does not means limited layout feature.
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- IMGUI does not means single pass flow.
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TODO: Each of those points could be explained with a paragraph. We could also describe how common UI libraries (of all types) stand on a given axis.
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TODO: Each of those points should be explained with a paragraph. We could also describe how common UI libraries (of all types) stand on a given axis.
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### Vurtun's writeup
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