mirror of https://github.com/ocornut/imgui
Documentation: Various tweaks and improvements to the README page. [@ker0chan]
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@ -74,6 +74,7 @@ Other Changes:
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- Added a mechanism to compact/free the larger allocations of unused windows (buffers are compacted when
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a window is unused for 60 seconds, as per io.ConfigWindowsMemoryCompactTimer = 60.0f). Note that memory
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usage has never been reported as a problem, so this is merely a touch of overzealous luxury. (#2636)
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- Documentation: Various tweaks and improvements to the README page. [@ker0chan]
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- Backends: OpenGL3: Tweaked initialization code allow application calling ImGui_ImplOpenGL3_CreateFontsTexture()
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before ImGui_ImplOpenGL3_NewFrame(), which sometimes can be convenient.
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- Backends: OpenGL3: Attempt to automatically detect default GL loader by using __has_include. (#2798) [@o-micron]
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@ -3,9 +3,9 @@ dear imgui
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[](https://travis-ci.com/ocornut/imgui)
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[](https://scan.coverity.com/projects/4720)
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_(This library is available under a free and permissive licence, but needs financial support to sustain its continued improvements. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using dear imgui, please consider reaching out. If you are an individual using dear imgui, please consider supporting the project via Patreon or PayPal.)_
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<sub>(This library is available under a free and permissive licence, but needs financial support to sustain its continued improvements. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using dear imgui, please consider reaching out. If you are an individual using dear imgui, please consider supporting the project via Patreon or PayPal.)</sub>
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Businesses: support continued development via invoiced technical support & maintenance contracts:
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Businesses: support continued development via invoiced technical support, maintenance, sponsoring contracts:
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<br> _E-mail: omarcornut at gmail dot com_
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Individuals/hobbyists: support continued maintenance and development via the monthly Patreon:
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@ -14,14 +14,23 @@ Individuals/hobbyists: support continued maintenance and development via the mon
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Individuals/hobbyists: support continued maintenance and development via PayPal:
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<br> [](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=WGHNC6MBFLZ2S)
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Dear ImGui is a bloat-free graphical user interface library for C++. It outputs optimized vertex buffers that you can render anytime in your 3D-pipeline enabled application. It is fast, portable, renderer agnostic and self-contained (no external dependencies).
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----
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Dear ImGui is designed to enable fast iterations and to empower programmers to create content creation tools and visualization / debug tools (as opposed to UI for the average end-user). It favors simplicity and productivity toward this goal, and lacks certain features normally found in more high-level libraries.
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Dear ImGui is a **bloat-free graphical user interface library for C++**. It outputs optimized vertex buffers that you can render anytime in your 3D-pipeline enabled application. It is fast, portable, renderer agnostic and self-contained (no external dependencies).
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Dear ImGui is designed to **enable fast iterations** and to **empower programmers** to create **content creation tools and visualization / debug tools** (as opposed to UI for the average end-user). It favors simplicity and productivity toward this goal, and lacks certain features normally found in more high-level libraries.
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Dear ImGui is particularly suited to integration in games engine (for tooling), real-time 3D applications, fullscreen applications, embedded applications, or any applications on consoles platforms where operating system features are non-standard.
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See [Software using dear imgui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui), [Quotes](https://github.com/ocornut/imgui/wiki/Quotes) and [Gallery](https://github.com/ocornut/imgui/issues/2529) pages to get an idea of its use cases.
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| [Usage](#usage) - [How it works](#how-it-works) - [Demo](#demo) - [Integration](#integration) |
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:----------------------------------------------------------: |
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| [Upcoming changes](#upcoming-changes) - [Gallery](#gallery) - [Support, FAQ](#support-frequently-asked-questions-faq) - [How to help](#how-to-help) - [Sponsors](#sponsors) - [Credits](#credits) - [License](#license) |
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| <sub>[Wiki](https://github.com/ocornut/imgui/wiki) - [Language & frameworks bindings](https://github.com/ocornut/imgui/wiki/Bindings) - [Software using Dear ImGui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui) - [Quotes](https://github.com/ocornut/imgui/wiki/Quotes) </sub> |
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### Usage
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Dear ImGui is self-contained within a few files that you can easily copy and compile into your application/engine:
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- imgui.cpp
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- imgui.h
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@ -36,12 +45,12 @@ Dear ImGui is self-contained within a few files that you can easily copy and com
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No specific build process is required. You can add the .cpp files to your project or #include them from an existing file.
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### Usage
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Backends for a variety of graphics api and rendering platforms are provided in the [examples/](https://github.com/ocornut/imgui/tree/master/examples) folder.
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Your code passes mouse/keyboard/gamepad inputs and settings to Dear ImGui (see example applications for more details). After Dear ImGui is setup, you can use it from \_anywhere\_ in your program loop:
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The backend passes mouse/keyboard/gamepad inputs and variety of settings to Dear ImGui, and is in charge of rendering the resulting vertices (see example applications for more details). After Dear ImGui is setup in your application, you can use it from \_anywhere\_ in your program loop:
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Code:
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```cpp
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```cp
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ImGui::Text("Hello, world %d", 123);
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if (ImGui::Button("Save"))
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{
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@ -88,6 +97,8 @@ ImGui::End();
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Result:
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<br>
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Dear ImGui allows you **create elaborate tools** as well as very short-lived ones. On the extreme side of short-liveness: using the Edit&Continue (hot code reload) feature of modern compilers you can add a few widgets to tweaks variables while your application is running, and remove the code a minute later! Dear ImGui is not just for tweaking values. You can use it to trace a running algorithm by just emitting text commands. You can use it along with your own reflection data to browse your dataset live. You can use it to expose the internals of a subsystem in your engine, to create a logger, an inspection tool, a profiler, a debugger, an entire game making editor/framework, etc.
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### How it works
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Check out the References section if you want to understand the core principles behind the IMGUI paradigm. An IMGUI tries to minimize superfluous state duplication, state synchronization and state retention from the user's point of view. It is less error prone (less code and less bugs) than traditional retained-mode interfaces, and lends itself to create dynamic user interfaces.
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@ -96,18 +107,18 @@ Dear ImGui outputs vertex buffers and command lists that you can easily render i
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_A common misunderstanding is to mistake immediate mode gui for immediate mode rendering, which usually implies hammering your driver/GPU with a bunch of inefficient draw calls and state changes as the gui functions are called. This is NOT what Dear ImGui does. Dear ImGui outputs vertex buffers and a small list of draw calls batches. It never touches your GPU directly. The draw call batches are decently optimal and you can render them later, in your app or even remotely._
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Dear ImGui allows you create elaborate tools as well as very short-lived ones. On the extreme side of short-liveness: using the Edit&Continue (hot code reload) feature of modern compilers you can add a few widgets to tweaks variables while your application is running, and remove the code a minute later! Dear ImGui is not just for tweaking values. You can use it to trace a running algorithm by just emitting text commands. You can use it along with your own reflection data to browse your dataset live. You can use it to expose the internals of a subsystem in your engine, to create a logger, an inspection tool, a profiler, a debugger, an entire game making editor/framework, etc.
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### Demo
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Demo Binaries
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-------------
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Calling the `ImGui::ShowDemoWindow()` function will create a demo window showcasing variety of Dear ImGui features and examples.
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You should be able to build the examples from sources (tested on Windows/Mac/Linux). If you don't, let me know! If you want to have a quick look at some Dear ImGui features, you can download Windows binaries of the demo app here:
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- [imgui-demo-binaries-20190715.zip](http://www.dearimgui.org/binaries/imgui-demo-binaries-20190715.zip) (Windows binaries, Dear ImGui 1.72 WIP built 2019/07/15, master branch, 5 executables)
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The demo applications are unfortunately not yet DPI aware so expect some blurriness on a 4K screen. For DPI awareness in your application, you can load/reload your font at different scale, and scale your Style with `style.ScaleAllSizes()`.
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Bindings
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--------
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### Integration
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Integrating Dear ImGui within your custom engine is a matter of 1) wiring mouse/keyboard/gamepad inputs 2) uploading one texture to your GPU/render engine 3) providing a render function that can bind textures and render textured triangles. The [examples/](https://github.com/ocornut/imgui/tree/master/examples) folder is populated with applications doing just that. If you are an experienced programmer at ease with those concepts, it should take you about an hour to integrate Dear ImGui in your custom engine. Make sure to spend time reading the FAQ, the comments and other documentation!
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@ -158,8 +169,8 @@ Frameworks:
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For other bindings: see [Bindings](https://github.com/ocornut/imgui/wiki/Bindings/). Also see [Wiki](https://github.com/ocornut/imgui/wiki) for more links and ideas.
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Roadmap
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-------
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### Upcoming Changes
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Some of the goals for 2019 are:
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- Finish work on docking, tabs. (see [#2109](https://github.com/ocornut/imgui/issues/2109), in public `docking` branch looking for feedback)
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- Finish work on multiple viewports / multiple OS windows. (see [#1542](https://github.com/ocornut/imgui/issues/1542), in public `docking` branch looking for feedback)
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@ -168,18 +179,9 @@ Some of the goals for 2019 are:
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- Make Columns better. (they are currently pretty terrible!)
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- Make the examples look better, improve styles, improve font support, make the examples hi-DPI aware.
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Gallery
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-------
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User screenshots:
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<br>[Gallery Part 1](https://github.com/ocornut/imgui/issues/123) (Feb 2015 to Feb 2016)
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<br>[Gallery Part 2](https://github.com/ocornut/imgui/issues/539) (Feb 2016 to Aug 2016)
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<br>[Gallery Part 3](https://github.com/ocornut/imgui/issues/772) (Aug 2016 to Jan 2017)
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<br>[Gallery Part 4](https://github.com/ocornut/imgui/issues/973) (Jan 2017 to Aug 2017)
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<br>[Gallery Part 5](https://github.com/ocornut/imgui/issues/1269) (Aug 2017 to Feb 2018)
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<br>[Gallery Part 6](https://github.com/ocornut/imgui/issues/1607) (Feb 2018 to June 2018)
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<br>[Gallery Part 7](https://github.com/ocornut/imgui/issues/1902) (June 2018 to January 2019)
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<br>[Gallery Part 8](https://github.com/ocornut/imgui/issues/2265) (January 2019 to May 2019)
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<br>[Gallery Part 9](https://github.com/ocornut/imgui/issues/2529) (May 2019 onward)
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### Gallery
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For more user-submitted screenshots of projects using Dear ImGui, check out the [Gallery Threads](https://github.com/ocornut/imgui/issues/2529)!
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Custom engine
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[](https://cloud.githubusercontent.com/assets/8225057/20628927/33e14cac-b329-11e6-80f6-9524e93b048a.png)
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@ -187,14 +189,10 @@ Custom engine
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Custom engine
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[](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v160/editor_white.png)
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Demo window
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[Tracy Profiler](https://bitbucket.org/wolfpld/tracy)
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References
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----------
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### References
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The Immediate Mode GUI paradigm may at first appear unusual to some users. This is mainly because "Retained Mode" GUIs have been so widespread and predominant. The following links can give you a better understanding about how Immediate Mode GUIs works.
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- [Johannes 'johno' Norneby's article](http://www.johno.se/book/imgui.html).
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@ -206,18 +204,14 @@ The Immediate Mode GUI paradigm may at first appear unusual to some users. This
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See the [Wiki](https://github.com/ocornut/imgui/wiki) for more references and [Bindings](https://github.com/ocornut/imgui/wiki/Bindings) for third-party bindings to different languages and frameworks.
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Support
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-------
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### Support, Frequently Asked Questions (FAQ)
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If you are new to Dear ImGui and have issues with: compiling, linking, adding fonts, wiring inputs, running or displaying Dear ImGui: please post on the Discourse forums: https://discourse.dearimgui.org.
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If you are new to Dear ImGui and have issues with: compiling, linking, adding fonts, wiring inputs, running or displaying Dear ImGui: you can use [Discord server](https://discord.gg/NgJ4SEP) or [Discourse forums](https://discourse.dearimgui.org).
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Otherwise for any other questions, bug reports, requests, feedback, you may post on https://github.com/ocornut/imgui/issues. Please read and fill the New Issue template carefully.
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Private support is available for paying customers.
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Frequently Asked Question (FAQ)
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-------------------------------
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**Where is the documentation?**
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This library is poorly documented at the moment and expects of the user to be acquainted with C/C++.
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@ -278,12 +272,12 @@ Dear ImGui takes advantage of a few C++ languages features for convenience but n
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There is an auto-generated [c-api for Dear ImGui (cimgui)](https://github.com/cimgui/cimgui) by Sonoro1234 and Stephan Dilly. It is designed for creating binding to other languages. If possible, I would suggest using your target language functionalities to try replicating the function overloading and default parameters used in C++ else the API may be harder to use. Also see [Bindings](https://github.com/ocornut/imgui/wiki/Bindings) for various third-party bindings.
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Support dear imgui
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------------------
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How to help
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-----------
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**How can I help?**
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- You may participate in the [Discourse forums](https://discourse.dearimgui.org) and the GitHub [issues tracker](https://github.com/ocornut/imgui/issues).
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- You may participate in the [Discord server](https://discord.gg/NgJ4SEP), [Discourse forums](https://discourse.dearimgui.org), GitHub [issues tracker](https://github.com/ocornut/imgui/issues).
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- You may help with development and submit pull requests! Please understand that by submitting a PR you are also submitting a request for the maintainer to review your code and then take over its maintenance forever. PR should be crafted both in the interest in the end-users and also to ease the maintainer into understanding and accepting it.
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- See [Help wanted](https://github.com/ocornut/imgui/wiki/Help-Wanted) on the [Wiki](https://github.com/ocornut/imgui/wiki/) for some more ideas.
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- Have your company financially support this project.
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@ -292,7 +286,7 @@ Support dear imgui
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Your contributions are keeping this project alive. The library is available under a free and permissive licence, but continued maintenance and development are a full-time endeavor and I would like to grow the team. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using dear imgui, please consider reaching out for invoiced technical support and maintenance contracts. If you are an individual using dear imgui, please consider supporting the project via Patreon or PayPal. Thank you!
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Businesses: support continued development via invoiced technical support & maintenance contracts:
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Businesses: support continued development via invoiced technical support, maintenance, sponsoring contracts:
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<br> _E-mail: omarcornut at gmail dot com_
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Individuals/hobbyists: support continued maintenance and development via the monthly Patreon:
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@ -301,20 +295,22 @@ Individuals/hobbyists: support continued maintenance and development via the mon
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Individuals/hobbyists: support continued maintenance and development via PayPal:
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<br> [](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=WGHNC6MBFLZ2S)
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Ongoing dear imgui development is financially supported by users and private sponsors, recently:
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### Sponsors
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**Platinum-chocolate sponsors**
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Ongoing Dear ImGui development is financially supported by users and private sponsors, recently:
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*Platinum-chocolate sponsors*
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- Blizzard Entertainment
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- Google
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**Double-chocolate sponsors**
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*Double-chocolate sponsors*
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- Media Molecule, Mobigame, Aras Pranckevičius, Greggman, DotEmu, Nadeo, Supercell, Runner, Aiden Koss, Kylotonn.
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**Salty caramel supporters**
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*Salty caramel supporters*
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- Remedy Entertainment, Recognition Robotics, ikrima, Geoffrey Evans, Mercury Labs, Singularity Demo Group, Lionel Landwerlin, Ron Gilbert, Brandon Townsend, G3DVu, Cort Stratton, drudru, Harfang 3D, Jeff Roberts, Rainway inc, Ondra Voves, Mesh Consultants, Unit 2 Games, Neil Bickford, Bill Six, Graham Manders.
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**Caramel supporters**
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- Jerome Lanquetot, Daniel Collin, Ctrl Alt Ninja, Neil Henning, Neil Blakey-Milner, Aleksei, NeiloGD, Eric, Game Atelier, Vincent Hamm, Morten Skaaning, Colin Riley, Sergio Gonzales, Andrew Berridge, Roy Eltham, Game Preservation Society, Josh Faust, Martin Donlon, Codecat, Doug McNabb, Emmanuel Julien, Guillaume Chereau, Jeffrey Slutter, Jeremiah Deckard, r-lyeh, Nekith, Joshua Fisher, Malte Hoffmann, Mustafa Karaalioglu, Merlyn Morgan-Graham, Per Vognsen, Fabian Giesen, Jan Staubach, Matt Hargett, John Shearer, Jesse Chounard, kingcoopa, Jonas Bernemann, Johan Andersson, Michael Labbe, Tomasz Golebiowski, Louis Schnellbach, Jimmy Andrews, Bojan Endrovski, Robin Berg Pettersen, Rachel Crawford, Andrew Johnson, Sean Hunter, Jordan Mellow, Nefarius Software Solutions, Laura Wieme, Robert Nix, Mick Honey, Steven Kah Hien Wong, Bartosz Bielecki, Oscar Penas, A M, Liam Moynihan, Artometa, Mark Lee, Dimitri Diakopoulos, Pete Goodwin, Johnathan Roatch, nyu lea, Oswald Hurlem, Semyon Smelyanskiy, Le Bach, Jeong MyeongSoo, Chris Matthews, Astrofra, Frederik De Bleser, Anticrisis.
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*Caramel supporters*
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- Jerome Lanquetot, Daniel Collin, Ctrl Alt Ninja, Neil Henning, Neil Blakey-Milner, Aleksei, NeiloGD, Eric, Game Atelier, Vincent Hamm, Morten Skaaning, Colin Riley, Sergio Gonzales, Andrew Berridge, Roy Eltham, Game Preservation Society, Josh Faust, Martin Donlon, Codecat, Doug McNabb, Emmanuel Julien, Guillaume Chereau, Jeffrey Slutter, Jeremiah Deckard, r-lyeh, Nekith, Joshua Fisher, Malte Hoffmann, Mustafa Karaalioglu, Merlyn Morgan-Graham, Per Vognsen, Fabian Giesen, Jan Staubach, Matt Hargett, John Shearer, Jesse Chounard, kingcoopa, Jonas Bernemann, Johan Andersson, Michael Labbe, Tomasz Golebiowski, Louis Schnellbach, Jimmy Andrews, Bojan Endrovski, Robin Berg Pettersen, Rachel Crawford, Andrew Johnson, Sean Hunter, Jordan Mellow, Nefarius Software Solutions, Laura Wieme, Robert Nix, Mick Honey, Steven Kah Hien Wong, Bartosz Bielecki, Oscar Penas, A M, Liam Moynihan, Artometa, Mark Lee, Dimitri Diakopoulos, Pete Goodwin, Johnathan Roatch, nyu lea, Oswald Hurlem, Semyon Smelyanskiy, Le Bach, Jeong MyeongSoo, Chris Matthews, Astrofra, Frederik De Bleser, Anticrisis, Matt Reyer.
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And all other past and present supporters; THANK YOU!
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(Please contact me if you would like to be added or removed from this list)
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