// ImGui - standalone example application for DirectX 9 #include <imgui.h> #include "imgui_impl_dx9.h" #include <d3dx9.h> #define DIRECTINPUT_VERSION 0x0800 #include <dinput.h> // Data static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; static D3DPRESENT_PARAMETERS g_d3dpp; extern LRESULT ImGui_ImplDX9_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { if (ImGui_ImplDX9_WndProcHandler(hWnd, msg, wParam, lParam)) return true; switch (msg) { case WM_SIZE: if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED) { ImGui_ImplDX9_InvalidateDeviceObjects(); g_d3dpp.BackBufferWidth = LOWORD(lParam); g_d3dpp.BackBufferHeight = HIWORD(lParam); HRESULT hr = g_pd3dDevice->Reset(&g_d3dpp); if (hr == D3DERR_INVALIDCALL) IM_ASSERT(0); ImGui_ImplDX9_CreateDeviceObjects(); } return 0; case WM_SYSCOMMAND: if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu return 0; break; case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc(hWnd, msg, wParam, lParam); } int main(int, char**) { // Create application window WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, LoadCursor(NULL, IDC_ARROW), NULL, NULL, L"ImGui Example", NULL }; RegisterClassEx(&wc); HWND hwnd = CreateWindow(L"ImGui Example", L"ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL); // Initialize Direct3D LPDIRECT3D9 pD3D; if ((pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == NULL) { UnregisterClass(L"ImGui Example", wc.hInstance); return 0; } ZeroMemory(&g_d3dpp, sizeof(g_d3dpp)); g_d3dpp.Windowed = TRUE; g_d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; g_d3dpp.BackBufferFormat = D3DFMT_UNKNOWN; g_d3dpp.EnableAutoDepthStencil = TRUE; g_d3dpp.AutoDepthStencilFormat = D3DFMT_D16; g_d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE; // Create the D3DDevice if (pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &g_d3dpp, &g_pd3dDevice) < 0) { pD3D->Release(); UnregisterClass(L"ImGui Example", wc.hInstance); return 0; } // Setup ImGui binding ImGui_ImplDX9_Init(hwnd, g_pd3dDevice); //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()); ShowWindow(hwnd, SW_SHOWDEFAULT); UpdateWindow(hwnd); bool show_test_window = true; bool show_another_window = false; ImVec4 clear_col = ImColor(114, 144, 154); // Main loop MSG msg; ZeroMemory(&msg, sizeof(msg)); while (msg.message != WM_QUIT) { if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) { TranslateMessage(&msg); DispatchMessage(&msg); continue; } ImGui_ImplDX9_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 = 0.0f; ImGui::Text("Hello, world!"); ImGui::SliderFloat("float", &f, 0.0f, 1.0f); ImGui::ColorEdit3("clear color", (float*)&clear_col); 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 g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false); g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false); g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, false); D3DCOLOR clear_col_dx = D3DCOLOR_RGBA((int)(clear_col.x*255.0f), (int)(clear_col.y*255.0f), (int)(clear_col.z*255.0f), (int)(clear_col.w*255.0f)); g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, clear_col_dx, 1.0f, 0); if (g_pd3dDevice->BeginScene() >= 0) { ImGui::Render(); g_pd3dDevice->EndScene(); } g_pd3dDevice->Present(NULL, NULL, NULL, NULL); } ImGui_ImplDX9_Shutdown(); if (g_pd3dDevice) g_pd3dDevice->Release(); if (pD3D) pD3D->Release(); UnregisterClass(L"ImGui Example", wc.hInstance); return 0; }