| // ImGui - standalone example application for Allegro 5 |
| // public domain |
| |
| #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); |
| //ImGuiIO& io = ImGui::GetIO(); |
| //ImFont* my_font0 = io.Fonts->AddFontDefault(); |
| //ImFont* my_font1 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 16.0f); |
| //ImFont* my_font2 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/Karla-Regular.ttf", 16.0f); |
| //ImFont* my_font3 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyClean.ttf", 13.0f); my_font3->DisplayOffset.y += 1; |
| //ImFont* my_font4 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyTiny.ttf", 10.0f); my_font4->DisplayOffset.y += 1; |
| //ImFont* my_font5 = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, 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; |
| } |