imgui stands for "Immediate mode GUI", which is a GUI where the event processing is directly controlled by the user.
Related links:
Implementations:
Questions tagged [imgui]
264 questions
2
votes
1 answer
OpenGL imgui slider ranges
I have a 960x540 window I'm creating using OpenGL. Rendering one texture here and using imgui to implement a slider that let's me translate the x, y, and z positions at runtime.
int window_width = 960;
int window_height = 540;
window =…
greg
- 1,118
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2
votes
1 answer
OpenGL Texture cause ImGUI windows to be permanently out of focus
I'm following TheCherno's tutorials on OpenGL (I've gone ahead and modified a few things though). I'm on MacOS mojave and have OpenGL 2.1. However, when I got to the ImGui part of the tutorial, things started behaving weirdly.
Since I have an older…
Rotartsi
- 527
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- 19
1
vote
1 answer
ImGui::SetNextWindowSizeConstraints() not behaving as intended
I'm trying to give my window a minimum size using ImGui::SetNextWindowSizeConstraints and putting it before the Begin() block as documented, like so:
void Widget::draw()
{
ImGui::SetNextWindowSizeConstraints(ImVec2(500, 500), ImVec2(-1,-1));
…
Ruo
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- 7
1
vote
0 answers
How to render a framebuffer to an ImGui image in OpenTK using ImGui.NET?
I am working on a project using OpenTK and ImGui.NET, and I'm trying to render a framebuffer to an ImGui image.
my current code:
` protected override void OnLoad()
{
base.OnLoad();
FBO = GL.GenFramebuffer();
…
LL302
- 39
- 1
- 2
1
vote
0 answers
Font loading after Build() call
Can anyone tell me how fonts are loaded in Imgui?
I mean: downloading at least 10 fonts at a time: no problem, everything works.
ImGuiIO* ImGuiIO_p = &ImGui::GetIO();
(*ImGuiIO_p).Fonts->AddFontDefault();
…
Lua_beg
- 31
- 6
1
vote
0 answers
Position vector into global world position vector using a camera
I am programming a 2d rendering engine with opengl, imgui and c++.
The problem is to turn my mouse position into global world position using a camera.
This is my current code inside my GetGlobalCoordinate function inside my camera controller.
//…
a coder
- 11
- 1
1
vote
0 answers
Can we change size of an image or imageButton on hover in ImGUI?
I wanted to do this in my project, so I first tried to implement this in the imgui examples project.
I'm implementing in glfw_opengl2.cpp file
bool btn1 = ImGui::ImageButton((void*)(intptr_t)my_image_texture, { 40.0f,40.0f…
Gagan karanth
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- 9
1
vote
1 answer
How can I integrate cimgui with GLFW and Vulkan into a zig project?
I'm trying to use GLFW with Vulkan and cimgui. GLFW and Vulkan and being included and linked fine (there were no issues before I included cimgui). I include all of the C into my project like so:
const c = @cImport({
// C Imgui
…
NaniNoni
- 155
- 11
1
vote
0 answers
How to convert cv::mat to ImTextureID in ImGUI
I have a render app. And it's the basis source code
std::vector frame_buffer;
I have rendered in the opencv
pipeline.refresh();
pipeline.draw();
cv::Mat image(700, 700, CV_32FC3, pipeline.raster.frameBuffer().data());
…
Interesting
- 39
- 3
1
vote
0 answers
Force redraw for DearImgui (cimgui-go)
I am using DearImgui bindings for golang (cimgui-go) to draw a window.
In one of the sub-windows, I am rendering a texture that is updated from a camera stream, acquired as individual images using OpenCV (gocv.io).
The goroutine that acquires the…
jrichner
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1
vote
1 answer
Render triangle and ImGui window at same time?
Having this simple code:
#include
#include
#include
#include
#include
#include
void ImguiOnUpdate(int width, int…
milanHrabos
- 2,010
- 3
- 11
- 45
1
vote
0 answers
Strange behavior with texture rendering when switching from Intel to nVidia graphic card
I'm developing a little image visualizer just to learn some openGL graphics.
I'm using Dear ImGUI to have a GUI interface.
I'm struggling with an issue happening when I switch from Intel graphic card to nVidia graphic card.
I'm working on a Dell…
Gabriele Galeazzi
- 19
- 2
1
vote
1 answer
Handle OS window resizing when using Dear ImGui (DX11 backend)
I am trying to make a simple ImGui Win32 app with Visual C++.
I noticed a problem, that when I try to resize my host window,
the ImGui window gets stretched and the Widgets (also other stuff like lines) are deformed.
An example:
I am drawing a line…
ITF_ Ph3r0X
- 11
- 1
1
vote
1 answer
Unity3D: Multiple utility/DisplayModelUtility windows
So I am creating an editor tool, this tool is open by clicking in a custom MenuItem. This tool is open as a utility window using the GetWindow(true, "title") and ShowModalUtility() methods. This new utility window has button that will open…
Agustin0987
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1
vote
0 answers
How do I specify the bar colors in ImPlot::DrawBarGroups?
I'm struggling to understand how the colors work in ImPlot.
Here, I'm plotting bars in groups of 3.
static const char* labels[] = {"X", "Y", "Z"};
if (ImPlot::BeginPlot("Sensor activity"))
{
ImPlot::PlotBarGroups(labels, &(barData[0]), 3,…
Rocketmagnet
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