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// ImGui Allegro 5 bindings
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// In this binding, ImTextureID is used to store a 'ALLEGRO_BITMAP*' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui Allegro 5 bindings
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// In this binding, ImTextureID is used to store a 'ALLEGRO_BITMAP*' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui Win32 + DirectX10 binding
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// In this binding, ImTextureID is used to store a 'ID3D10ShaderResourceView*' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui Win32 + DirectX10 binding
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// In this binding, ImTextureID is used to store a 'ID3D10ShaderResourceView*' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui Win32 + DirectX11 binding
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// In this binding, ImTextureID is used to store a 'ID3D11ShaderResourceView*' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui Win32 + DirectX11 binding
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// In this binding, ImTextureID is used to store a 'ID3D11ShaderResourceView*' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui Win32 + DirectX9 binding
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// In this binding, ImTextureID is used to store a 'LPDIRECT3DTEXTURE9' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui Win32 + DirectX9 binding
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// In this binding, ImTextureID is used to store a 'LPDIRECT3DTEXTURE9' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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//
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// imgui_impl_ios.h
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// imguiex
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//
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// Joel Davis (joeld42@gmail.com)
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//
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// ImGui iOS+OpenGL+Synergy binding
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// Providing a standalone iOS application with Synergy integration makes this sample more verbose than others. It also hasn't been tested as much.
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// Refer to other examples to get an easier understanding of how to integrate ImGui into your existing application.
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// by Joel Davis (joeld42@gmail.com)
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#pragma once
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//
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// imgui_impl_ios.cpp
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// imguiex
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// ImGui iOS+OpenGL+Synergy binding
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// Providing a standalone iOS application with Synergy integration makes this sample more verbose than others. It also hasn't been tested as much.
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// Refer to other examples to get an easier understanding of how to integrate ImGui into your existing application.
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#import <OpenGLES/ES3/gl.h>
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#import <OpenGLES/ES3/glext.h>
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// ImGui Marmalade binding with IwGx
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// In this binding, ImTextureID is used to store a 'CIwTexture*' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui Marmalade binding with IwGx
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// In this binding, ImTextureID is used to store a 'CIwTexture*' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui GLFW binding with OpenGL3 + shaders
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui GLFW binding with OpenGL3 + shaders
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui GLFW binding with OpenGL
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui GLFW binding with OpenGL
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui SDL2 binding with OpenGL3
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui SDL2 binding with OpenGL3
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui SDL2 binding with OpenGL
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// ImGui SDL2 binding with OpenGL
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// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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16
imgui.cpp
16
imgui.cpp
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- FREQUENTLY ASKED QUESTIONS (FAQ), TIPS
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- How can I help?
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- How do I update to a newer version of ImGui?
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- What is ImTextureID and how do I display an image?
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- Can I have multiple widgets with the same label? Can I have widget without a label? (Yes) / A primer on the use of labels/IDs in ImGui.
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- I integrated ImGui in my engine and the text or lines are blurry..
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- I integrated ImGui in my engine and some elements are disappearing when I move windows around..
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- I integrated ImGui in my engine and some elements are clipping or disappearing when I move windows around..
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- How can I load a different font than the default?
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- How can I load multiple fonts?
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- How can I display and input non-latin characters such as Chinese, Japanese, Korean, Cyrillic?
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Check the "API BREAKING CHANGES" sections for a list of occasional API breaking changes. If you have a problem with a function, search for its name
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in the code, there will likely be a comment about it. Please report any issue to the GitHub page!
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Q: What is ImTextureID and how do I display an image?
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A: ImTextureID is a void* used to pass renderer-agnostic texture references around until it hits your render function.
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ImGui knows nothing about what those bits represent, it just passes them around. It is up to you to decide what you want the void* to carry!
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It could be an identifier to your OpenGL texture (cast GLuint to void*), a pointer to your custom engine material (cast MyMaterial* to void*), etc.
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At the end of the chain, your renderer takes this void* to cast it back into whatever it needs to select a current texture to render.
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Refer to examples applications, where each renderer (in a imgui_impl_xxxx.cpp file) is treating ImTextureID as a different thing.
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c++ tip: OpenGL uses integers to identify textures. You can safely store an integer into a void*, just cast it to void*, don't take it's address!
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Q: Can I have multiple widgets with the same label? Can I have widget without a label? (Yes)
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A: Yes. A primer on the use of labels/IDs in ImGui..
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A: In your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f).
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Also make sure your orthographic projection matrix and io.DisplaySize matches your actual framebuffer dimension.
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Q. I integrated ImGui in my engine and some elements are disappearing when I move windows around..
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Most likely you are mishandling the clipping rectangles in your render function. Rectangles provided by ImGui are defined as (x1,y1,x2,y2) and NOT as (x1,y1,width,height).
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Q: I integrated ImGui in my engine and some elements are clipping or disappearing when I move windows around..
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A: Most likely you are mishandling the clipping rectangles in your render function. Rectangles provided by ImGui are defined as (x1,y1,x2,y2) and NOT as (x1,y1,width,height).
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Q: How can I load a different font than the default? (default is an embedded version of ProggyClean.ttf, rendered at size 13)
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A: Use the font atlas to load the TTF file you want:
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2
imgui.h
2
imgui.h
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// Enumerations (declared as int for compatibility and to not pollute the top of this file)
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typedef unsigned int ImU32;
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typedef unsigned short ImWchar; // character for keyboard input/display
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typedef void* ImTextureID; // user data to refer to a texture (e.g. store your texture handle/id)
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typedef void* ImTextureID; // user data to identify a texture (this is whatever to you want it to be! read the FAQ about ImTextureID in imgui.cpp)
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typedef ImU32 ImGuiID; // unique ID used by widgets (typically hashed from a stack of string)
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typedef int ImGuiCol; // a color identifier for styling // enum ImGuiCol_
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typedef int ImGuiStyleVar; // a variable identifier for styling // enum ImGuiStyleVar_
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