// Public imgui module package end-to-end assertion: import-only consumption

// (imgui.core + glfw_opengl3 backend), context + font atlas + one frame,

// software-only (no window). Linux-only (see mcpp.toml).

#ifdef __linux__

import std;

import imgui.core;

import imgui.backend.glfw_opengl3;

int main() {

auto init = &ImGui::Backend::GlfwOpenGL3::Init;

auto shutdown = &ImGui::Backend::GlfwOpenGL3::Shutdown;

if (init == nullptr || shutdown == nullptr) {

return 1;

}

ImGuiContext* context = ImGui::CreateContext();

if (context == nullptr) {

return 2;

}

ImGui::SetCurrentContext(context);

ImGuiIO& io = ImGui::GetIO();

io.DisplaySize = ImVec2 { 320.0f, 240.0f };

unsigned char* pixels = nullptr;

int width = 0;

int height = 0;

io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);

if (pixels == nullptr || width <= 0 || height <= 0) {

ImGui::DestroyContext(context);

return 3;

}

ImGui::NewFrame();

bool open = true;

ImGui::Begin("mcpp-index imgui smoke", &open);

ImGui::TextUnformatted("import imgui.core");

ImGui::End();

ImGui::Render();

std::println("Dear ImGui {} module package ok", ImGui::GetVersion());

ImGui::DestroyContext(context);

return 0;

}

#else

int main() { return 0; }

#endif