// ImGui - standalone example application for Allegro 5 // If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. #include <stdint.h> #include <allegro5/allegro.h> #include <allegro5/allegro_primitives.h> #include <imgui.h> #include "imgui_impl_a5.h" int main(int, char**) { // Setup Allegro al_init(); al_install_keyboard(); al_install_mouse(); al_init_primitives_addon(); al_set_new_display_flags(ALLEGRO_RESIZABLE); ALLEGRO_DISPLAY* display = al_create_display(1280, 720); al_set_window_title(display, "ImGui Allegro 5 example"); ALLEGRO_EVENT_QUEUE* queue = al_create_event_queue(); al_register_event_source(queue, al_get_display_event_source(display)); al_register_event_source(queue, al_get_keyboard_event_source()); al_register_event_source(queue, al_get_mouse_event_source()); // Setup ImGui binding ImGui_ImplA5_Init(display); // Load Fonts // (there is a default font, this is only if you want to change it. see extra_fonts/README.txt for more details) //ImGuiIO& io = ImGui::GetIO(); //io.Fonts->AddFontDefault(); //io.Fonts->AddFontFromFileTTF("../../extra_fonts/Cousine-Regular.ttf", 15.0f); //io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 16.0f); //io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyClean.ttf", 13.0f); //io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyTiny.ttf", 10.0f); //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); bool show_test_window = true; bool show_another_window = false; ImVec4 clear_color = ImColor(114, 144, 154); // Main loop bool running = true; while (running) { ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { ImGui_ImplA5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { ImGui_ImplA5_InvalidateDeviceObjects(); al_acknowledge_resize(display); Imgui_ImplA5_CreateDeviceObjects(); } } ImGui_ImplA5_NewFrame(); // 1. Show a simple window // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug" { static float f; ImGui::Text("Hello, world!"); ImGui::SliderFloat("float", &f, 0.0f, 1.0f); ImGui::ColorEdit3("clear color", (float*)&clear_color); if (ImGui::Button("Test Window")) show_test_window ^= 1; if (ImGui::Button("Another Window")) show_another_window ^= 1; ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f/ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); } // 2. Show another simple window, this time using an explicit Begin/End pair if (show_another_window) { ImGui::SetNextWindowSize(ImVec2(200, 100), ImGuiSetCond_FirstUseEver); ImGui::Begin("Another Window", &show_another_window); ImGui::Text("Hello"); ImGui::End(); } // 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow() if (show_test_window) { ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver); ImGui::ShowTestWindow(&show_test_window); } // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); al_flip_display(); } // Cleanup ImGui_ImplA5_Shutdown(); al_destroy_event_queue(queue); al_destroy_display(display); return 0; }